CN1321862C - Can shell and double-seamed can end - Google Patents
Can shell and double-seamed can end Download PDFInfo
- Publication number
- CN1321862C CN1321862C CNB028135490A CN02813549A CN1321862C CN 1321862 C CN1321862 C CN 1321862C CN B028135490 A CNB028135490 A CN B028135490A CN 02813549 A CN02813549 A CN 02813549A CN 1321862 C CN1321862 C CN 1321862C
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- China
- Prior art keywords
- chuckwall
- counter bore
- ladle bowl
- wall
- inch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/38—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
- B21D51/30—Folding the circumferential seam
- B21D51/32—Folding the circumferential seam by rolling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D7/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal
- B65D7/12—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by wall construction or by connections between walls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D7/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal
- B65D7/12—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by wall construction or by connections between walls
- B65D7/34—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by wall construction or by connections between walls with permanent connections between walls
- B65D7/36—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by wall construction or by connections between walls with permanent connections between walls formed by rolling, or by rolling and pressing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D7/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal
- B65D7/42—Details of metal walls
- B65D7/44—Reinforcing or strengthening parts or members
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Containers With Two Or More Constituent Elements (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Connection Of Plates (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
A drawn aluminum can shell has a peripheral crown which is double-seamed with an end portion of an aluminum can body to provide a can end having a generally flat center panel connected by a curved panel wall to an inner wall of an annular U-shaped countersink. The countersink has a generally cylindrical outer wall and an inner width less than the radius of the panel wall. The outer wall of the countersink connects with a frusto-conical chuckwall at a junction below the center panel, and the chuckwall extends to an inner wall of the crown at an angle of at least 16 DEG with the center axis. In one embodiment, the chuckwall has an intermediate generally vertical riser portion with small radii, the inner bottom width of the countersink is less than 0.040 inch.
Description
Technical field
The present invention relates to the shape and the structure of sheetmetal/aluminium flake ladle bowl and jar end, a jar end has a peripheral edge or protuberance, and this edge or protuberance are by the upper rim of double seam to sheetmetal or aluminium flake tank body.
Background technology
This jar end is formed by draw metal sheet ladle bowl, for example, and the ladle bowl of making by disclosed instrument in the U.S. Patent No. 5,857,374 of authorizing the applicant.Usually, the moulding ladle bowl comprises a circular central plate, and this center plate extends to a wallboard, and this wallboard extends to or also form the inwall of strengthening rib or counter bore, and this counter bore has U type cross section structure.Counter bore is connected to the ring uplift of peripheral curled moulding by the conical butt chuckwall.For drinking container, the ladle bowl center plate is typically provided with an E-Z opening tool, and after tank body was filled beverage, the peripheral curled crown of ladle bowl was by the upper part of double seam to tank body.
When tank body was filled the beverage of carbonated drink beverage or high temperature sterilization, a jar end must have enough fold intensity to bear pressurized beverage, for example, and the fold intensity of 90psi at least.In U.S. Patent No. 4,448, describe this species resistance in 322 in detail to " fold " pressure and " waving " pressure, it quotes in full at this as reference.Also be desirably in the sheetmetal or the aluminium flake minimize weight that make under the situation that does not reduce bending strength in jar end.This can be by reducing to be drawn and form ladle bowl the thickness or the specification of thin flat sheet of metal, and/or realize by reducing to cut down with the diameter of the circular blanks that forms ladle bowl from sheetmetal.
There have been many sheet metal shells and jar end to be configured and to be proposed to be used in the weight that increases jar bending strength of end and/or under the situation that does not reduce bending strength, reduce sheetmetal in jar end.For example, U.S. Patent No. 3,843,014, No.4,031,837, No.4,093,102, the above-mentioned No.4 that mentions, 448,322, No.4,790,705, No.4,808,052, No.5,046,637, No.5,527,143, No.5,685,189, No.6,065,634, No.6,089,072 and No.6,102,243 disclose the ladle bowls and jar end of different shape and structure, and are proposed or are used for increasing jar end bending strength and/or reduce metallo-various sizes and structure in jar end.In addition, disclosed PCT application No.WO98/34743 discloses a kind of patent No.6 that mentions in the above, the modification of disclosed ladle bowl and jar end in 065,634.Except increasing jar end bending strength/weight ratio, also expectation forms ladle bowl so that this area existing being used for is added into ladle bowl with the E-Z opening tool and is used for the ladle bowl double seam to the required improvement minimum of the instrument of tank body.Though discloseder ladle bowls and a jar end provide some gratifying architectural features in above-mentioned patent, the neither one patent provides all features.
Summary of the invention
The present invention relates to a kind of improved sheet metal shells and jar end and form jar method of end, it can provide above mentioned gratifying feature and advantage, comprise significantly reducing of the blank diameter that forms ladle bowl and enlarging markedly of the strength/weight ratio of gained jar end.The ladle bowl of moulding and a jar end have not only increased jar bending strength of end according to the present invention, also make in this area existing being used for add the E-Z opening tool and be used for change or the change of ladle bowl double seam to the instrument of tank body minimized to ladle bowl.
For realizing goal of the invention of the present invention, a kind of sheet metal shells is provided, it has a vertical centre axis and a curling perimeter ridge, this perimeter ridge is suitable for by the end of double seam to forming metal sheet tank body, described ladle bowl comprises: one is connected to the circular central plate of inner countersink wall by wooden partition, and this counter bore has outer wall and U-shaped cross-section configuration roughly; One chuckwall, this chuckwall is extended from the described outer wall of described counter bore, and have upper wall portion and a lower wall part, the joint that the described lower wall part of described chuckwall is provided with below described center plate horizontal surface is connected to the described outer wall of described counter bore, and described protuberance has: the inwall that is connected to the described upper wall portion of described chuckwall at joint; Dihedral kick between the described upper wall portion of described chuckwall and described lower wall portion divide, described counter bore in the radial width of the bottom of the described counter bore between the described inside and outside wall of described counter bore less than described wooden partition at the diameter of described center plate and described wooden partition to the radial width between the joint of the described inwall of described counter bore, and between the described outer wall of the described joint of the inwall of described protuberance and described counter bore in the diameter difference of the bottom of described counter bore described radial width greater than described counter bore.
According to one embodiment of the invention, ladle bowl and jar such moulding of end, promptly the overall height between protuberance and the counter bore is less than 0.240 inch, and preferably less than 0.230 inch, and counter bore has roughly cylindrical outer wall and the inwall that is connected to curved panel wall.General chuckwall in the form of a truncated cone extends to the protuberance inwall from the counter bore outer wall, and has a upper wall portion, and this upper wall portion is extended with at least 16 ° angle with respect to the ladle bowl central axis, preferably between 25 ° and 30 °.Counter bore can have the diapire that roughly is flats, and this diapire links to each other with the counter bore outer wall with the minor radius less than diapire radius width basically, and counter bore is at the inner width at its place, bottom radius less than wooden partition.
According to modification of the present invention, a ladle bowl and a jar end have some said structures, and combine the chuckwall lower wall partial sum counter bore outer wall that is positioned at substantially below the center plate horizontal surface.Counter bore lower wall part to be extending less than 16 ° angle with respect to central axis, and is connected to the counter bore upper wall portion by vertical substantially short rising part and the sharpen radius that forms kick.The radius of curvature of counter bore is basically less than the radius of curvature of curved panel wall, and the inner width at place, counter bore bottom is also less than the wooden partition radius, preferably less than 0.030 inch.
According to following specification sheets, accompanying drawing and appended claims book, it is very clear that other features and advantages of the present invention will become.
Description of drawings
Fig. 1 is the vertical cross-section diagram of the sheet metal shells of moulding according to the present invention;
Fig. 2 is the local amplification sectional view of ladle bowl among Fig. 1, shows the structure of an embodiment;
Fig. 3 is the less partial section of Fig. 2 ladle bowl, shows ladle bowl and utilizes double seam chuck and F/s rolling press and make a jar end;
Fig. 4 is the partial section that is similar to Fig. 3, shows the double seam jar end that utilizes chuck and subordinate phase rolling press;
Fig. 5 is the local amplification sectional view of the jar of double seam shown in Fig. 4 end, has the part of improved double seam chuck;
Fig. 6 is the section drawing that is similar to Fig. 1, shows the double seam jar end of the moulding according to the present invention;
Fig. 7 is the local amplification sectional view that is similar to Fig. 2, shows the ladle bowl according to modification moulding of the present invention; And
Fig. 8 is the local amplification sectional view that is similar to Fig. 5, shows ladle bowl double seam to a tank body of Fig. 7.
The specific embodiment
Fig. 1 shows single-piece ladle bowl 10, and it is formed by sheetmetal or the rounded substantially blank of aluminium flake, and the thickness of this blank preferably is about 0.0085 inch, and blank diameter is about 2.705 inches.Ladle bowl 10 has a central axis 11, and comprises the center plate 12 of protuberance a little, and this center plate has an annular section 14 that extends to curved panel wall 16.Center plate wall part 14 and wooden partition 16 can be formed by the curved wall of a series of mixing, and the radius of these curved walls is respectively, and R1 is 1.489 inches, and R2 is 0.321 inch, and R3 is 0.031 inch, and R4 is 0.055 inch.The bottom inside diameter D 1 of curved panel wall 16 is about 1.855 inches.
Radius is inwall 17 extensions of the curved panel wall 16 of R4 from strengthening rib or counter bore 18, this reinforced rib or counter bore 18 have U type cross section structure, and comprise a flat, annular diapire 22 and a general cylindrical outer wall 24, the inside diameter D 2 of this outer wall, for example, be about 1.957 inches.The flat bottom wall 22 of counter bore 18 is connected to inner panel wall 16 and counter bore outer wall 24 by fillet wall 26, and the internal diameter R5 of each fillet wall all is about 0.010 inch.The radial width W of flat bottom wall 22 preferably is about 0.022 inch, so the inside bottom width W1 of counter bore 18 is about 0.042 inch.
The outer wall 24 of counter bore 18 is that the curved wall 34 of R6 links to each other with cardinal principle chuckwall 32 in the form of a truncated cone by radius, and radius R 6 is about 0.054 inch.Chuckwall 32 is extended like this, promptly is at least 16 ° with respect to central axis 11 or the angle A 1 that is parallel to the vertical reference line 36 of ladle bowl central axis 11.Optimized angle A1 is between 25 ° and 30 °, and near 29 °.Chuckwall 32 upper ends link to each other with curved inner wall 38 bottoms of rounded protuberance 42, and this rounded protuberance 42 has curled outer wall 44.The radius R 7 of the inwall 38 of protuberance 42 preferably is about 0.070 inch, and the inside diameter D 3 at place, curved inner wall 38 bottoms preferably is about 2.039 inches, and the outer diameter D 4 of curled outer wall 44 preferably is about 2.340 inches.The height C of curled outer wall 44 and preferably is about 0.079 inch in 0.075 inch to 0.095 inch scope.From curled outer wall 44 bottoms or the joint 46 of chuckwall 32 and protuberance inwall 38 to the depth D of counter bore diapire 22 inside faces in 0.108 inch to 0.148 inch scope, preferably be about 0.126 inch.The center-point of joint 47 or radius R 6 is about 0.079 inch apart from joint 46 or the degree of depth G of 42 curled outer wall 44 bottoms of swelling.
42 of the protuberances that Fig. 3 shows ladle bowl 10 by double seam to sheetmetal or the peripheral end portion above the aluminium flake tank body 50 48.Double seam operates between the double seam circular chuck 55 of rotation and carries out, this chuck 55 engages with ladle bowl 10 and has an outside face 58, and this outside face is with respect to tilt a little angle between 0 ° and 10 ° of the central axis common for 11 of the central axis of chuck 55 and ladle bowl 10.Preferably, the surface 58 has about 4 ° slight taper, and in response to the radially inwardly motion of F/s double seam rolling press 60, inwall 38 composition surfaces 58 of protuberance 42, tank body 50 and thing that Qi Nei adorns and ladle bowl 10 rotate with chuck 55 simultaneously.Chuck 55 also has a fi-ustoconical surface 62, this surface is complementary with the conical butt chuckwall 32 of ladle bowl 10 and engages, the annular flange portion 64 that chuck 55 stretches out downwards extends in the counter bore 18, and has basal surface 66 (Fig. 5) and the cylindrical outer surface 68 that engages with counter bore 18 diapires 22 and outer wall 24 respectively.
Fig. 4 and Fig. 5 show and finish the double seam operation to form double-seamed crown 70 between rotary chuck 55 and subordinate phase double seam rolling press 72, rolling press 72 also radially moves inward, chuck 55, ladle bowl 10 and tank body 50 rotations are to change ladle bowl 10 at a jar end 75 simultaneously, and jar end 75 connects and be sealed to the upper end 48 of tank body 50 effectively.Double seam edge or swell and 70 have an inwall 74 that forms by the inwall 38 of shell crown 42, and have an outer wall 76 that forms by shell crown 42, shell crown 42 comprises a curled outer wall 44.In the scope of height H 2 between 0.090 inch and 0.110 inch of double-seamed crown 70, and preferably be about 0.100 inch.Jar holds 75 in the scope of total height H 1 between 0.170 inch and 0.240 inch between protuberance 70 tops and counter bore 18 bottoms, and preferably is about 0.235 inch.Because a jar end 75 has the cross-sectional structure identical with ladle bowl 10 except double-seamed crown 70, so used identical common reference numerals for public structure in Fig. 4-Fig. 6.
As shown in Figure 6, the core of center plate 12 limits and forms a plane 80, and it intersects with the joint 46 of chuckwall 32 with the inwall 74 of double-seamed crown 70 substantially.For purpose clear and that simplify, in Fig. 6, omitted the E-Z opening tool, because the E-Z opening tool does not constitute a part of the present invention.
Fig. 7 and Fig. 8 show another specific embodiment of the present invention or modification, and it comprises a ladle bowl (Fig. 7) and a pair of rewinding limit jar end (Fig. 8).Correspondingly, has identical Reference numeral with reference to Fig. 1-6 parts corresponding structure parts of describing, except adding apostrophe with top.Thereby with reference to Fig. 7, the central axis that ladle bowl 10 ' have one and central axis 11 are identical, and comprise one be connected to peripheral curved panel wall 16 ' circular central plate 12 ', the counter bore 18 that this wooden partition 16 ' be connected to has the U-shaped cross section structure ' tilt internal wall 17 '.Counter bore have general cylindrical outer wall 24 ', it to be extending less than 10 ° angle, and links to each other with chuckwall, this chuckwall have conical butt upper wall portion 32 ' with the lower wall part 34 of slight curvature '.Wall part 32 ' with 34 ' by kick or general vertical short rising part 35 ' link to each other, rising part 35 ' have the interior outside radius of relative sharpening for example, is in 0.02 inch the order of magnitude.Upper grip wall part 32 ' by curved wall 37 ' be connected to have curled outer wall 44 ' protuberance 42 ' interior curve wall 38 '.
Protuberance 42 ' inwall 38 ' joint 46 ' with upper grip wall part 32 ' link to each other, and counter bore 18 ' outer wall 24 ' joint 47 ' with lower chuck wall part 34 ' link to each other.From counter bore 18 ' bottom to kick or rising part 35 ' vertical dimension G1 be about 0.086 inch.Radius R 10 is about 0.051 inch, and lower wall part 34 ' extend with the angle A 3 that is about 15 °.Counter bore 18 ' radius R 9 be about 0.009 inch to 0.011 inch.Ladle bowl shown in Fig. 7 10 ' other approx. dimension and angle as follows:
0.024 inch of 0.082 inch W1 of C1
0.078 inch of 0.063 inch H5 of 0.153 inch W2 of C2
0.149 inch of 0.034 inch H6 of 1.910 inches W3 of D6
29 ° of 2.036 inches A2 of D7
15 ° of 2.337 inches A3 of D8
16 ° of A6 of 1.731 inches A4 of D9 13 degree °
It is found that, ladle bowl 10 ' the results of property that provided of special cross section structure be better than the results of property that ladle bowl 10 is provided.Therefore, ladle bowl 10 ' CONSTRUCTED SPECIFICATION comprise chuckwall upper wall portion 32 ', the angle A 2 of its relative central axis is at least 16 °, and preferred in 25 ° to 30 ° scope.Chuckwall lower wall part 34 ' formation is about 15 ° angle A 3.Protuberance 42 ' the preferred angle A 4 in the scope between 5 ° to 30 ° of inwall 38 ' formations, and preferably be about 16 °.Counter bore 18 ' inwall 17 ' formation greater than 10 ° angle A 6, and be about 13 °.Counter bore inwall 17 ' and outer wall 24 ' between bottom width W1 less than 0.040 inch, and preferably be about 0.024 inch.Curved inner panel wall 16 ' radius R 8 substantially greater than counter bore 18 ' width W 1, and be about 0.049 inch.
Ladle bowl 10 ' protuberance 42 ' have a height C1 and a height C2, in the scope of C1 between 0.075 inch and 0.095 inch, and preferably be about 0.082 inch, in the scope of C2 between 0.120 inch and 0.170 inch, and preferably be about 0.153 inch.Ladle bowl 10 ' overall diameter D8 be about 2.337 inches, and the joint 46 that arrives ' diameter D7 be about 2.036 inches.Counter bore outer wall 24 ' interior end diameter D6 be about 1.910 inches, the difference W2 between D7 and D6 perhaps is about 0.063 inch greater than counter bore width W 1.The diameter D9 at radius R 8 centers is about 1.731 inches.Should be understood that the ladle bowl of different-diameter if desired, then diameter D6-D9 can change pari passu.Center plate 12 ' apart from the height H 5 of counter bore 18 ' bottom and preferably is about 0.078 inch in 0.070 inch to 0.110 inch scope.Ladle bowl 10 ' at center plate 12 ' top and swell height H 6 between 42 ' top in 0.125 inch to 0.185 inch scope, and preferably be about 0.149 inch.
With reference to Fig. 8, utilize substantially with top with reference to the described identical instrument of Fig. 3-5, ladle bowl 10 ' with moulding tank body 50 ' upper end 48 ' jar held 75 to form by double seam '.Promptly, the device for can sealing chuck (not shown) that is similar to chuck 55 comprises the bottom of a similar portions 64, this part put in counter bore 18 ', and have one with the surface 58,62 of device for can sealing chuck 55, and 68 corresponding surface, be used to engage counter bore outer wall 24 ' and chuckwall part 32 ', and form double-seamed crown 70 ' inwall 74 '.Also as shown in Figure 8, double-seamed crown 70 ' inwall 74 ' extend with the minute angle A5 that is about 4 °, and jar end 75 ' total height H 3 less than 0.24 inch, and preferably be about 0.235 inch.Double-seamed crown 70 ' height H 4 be in 0.100 inch the order of magnitude, from swelling the height H 7 at 70 ' top to center plate 12 ' top, preferably be about 0.148 inch greater than center plate height H 5.
By ladle bowl and jar end that formation has said structure and size, it is found that jar end can bear the jar internal pressure above 110psi before fold.The diameter that the structure of jar end and more shallow profile (thereby making whole height less than 0.24 inch) can also be used in the circular blanks that forms ladle bowl significantly reduces more than 0.040 inch.This reduces to make and is used to make the aluminium flake of ladle bowl or the width of aluminium sheet significantly reduces, thereby makes and form jar weight and the cost of the aluminium of end and reduce, and considers and will produce big measuring tank end every year that this point is even more important.Ladle bowl 10 or 10 ' also make this area is existing be used to form double-seamed crown 70 or 70 ' the improvement of instrument minimize.Promptly, being used to form the unique needs of instrument of double-seamed crown improved is to utilize new type chuck to replace routine or standard dual crimping chuck, this new type chuck has conical butt mating surfaces 62 and is positioned at general cylindrical surperficial 68 on the bottom 64, and bottom 64 extends in the counter bore and engages the counter bore outer wall.Conventional double seam chuck has bevelled surface 58 a little usually, and extend with about 4 ° angle with respect to the central axis of double seam chuck on this surface.
Though the method for the shape of ladle bowl described here and jar end and formation ladle bowl and jar end has constituted first-selected embodiment of the present invention, it should be understood that, the present invention is not limited only to the ladle bowl and jar end of these accurate shapes, can make change under the situation that does not deviate from appended claims book institute's restricted portion of the present invention and spirit.
Claims (7)
1. a sheet metal shells (10 '), it has a vertical centre axis (11) and a curling perimeter ridge (42 '), this perimeter ridge is suitable for by the end of double seam to forming metal sheet tank body (50), described ladle bowl comprises:one is connected to the circular central plate (12 ') of counter bore (18 ') inwall (17 ') by wooden partition (16 '), and this counter bore (18 ') has outer wall (24 ') and U-shaped cross-section configuration roughly; One chuckwall, this chuckwall is extended from the described outer wall of described counter bore, and has upper wall portion (32 ') and lower wall part (34 '), the joint (47 ') that the described lower wall part of described chuckwall is provided with below the horizontal surface at described center plate (12 ') is connected to the described outer wall of described counter bore, and described protuberance (42 ') has:the inwall (38 ') that is connected to the described upper wall portion (32 ') of described chuckwall at joint (46 '); Dihedral kick (35 ') between the described upper wall portion (32 ') of described chuckwall and the described lower wall part (34 '); Described countersunk in the radial width (W1) of the bottom of the described countersunk between the described inside and outside wall of described countersunk less than the radial width (R8) of described wooden partition between the joint of the described inwall (17 ') that diameter (D9) and the described wooden partition (16 ') of described central plate arrives described countersunk (18 '), and between the described outer wall of the described joint (46 ') of the inwall of described protuberance and described countersunk in the diameter poor (W2) of the bottom of the described countersunk described radial width (W1) greater than described countersunk.
2. ladle bowl as claimed in claim 1 is characterized in that, two opposite endpoint of the described upper wall portion of described chuckwall in axial cross section form at least 25 ° angle (A2) with respect to described central axis.
3. ladle bowl as claimed in claim 1 is characterized in that, the described dihedral kick (35 ') that connects the described upper wall portion (32 ') of described chuckwall and described lower wall part (34 ') forms the angle less than 180 °.
4. ladle bowl as claimed in claim 1 is characterized in that, the described lower wall part (34 ') of described chuckwall is to extend into about 15 ° angle (A3) with respect to described central axis.
5. ladle bowl as claimed in claim 1, it is characterized in that, two the opposite endpoint angulations (A2) of the described upper wall portion (32 ') of described chuckwall in axial cross section, this angle (A2) is greater than the angle (A3) of two opposite endpoint formation of the described lower wall part of described chuckwall.
6. ladle bowl as claimed in claim 1, it is characterized in that, the overall height (C1+C2) of described ladle bowl between described protuberance and described counter bore is between 0.195 inch and 0.265 inch, and the height (H6) between the top of described center plate and the top of protuberance is greater than the height (H5) between the bottom of the bottom of described center plate (12 ') and described counter bore (18 ').
7. ladle bowl as claimed in claim 1, combine with a pair of rewinding limit chuck (55), this crimping chuck has a rotation axis, this axis is identical with the described central axis of described ladle bowl, described crimping chuck comprises that one puts in the described counter bore and has an annular section (64) of outside face (68) that engages the described outer wall (24 ') of described counter bore, and described crimping chuck has a surface (58) that is used to engage the described inwall (38 ') of described protuberance.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/898,802 US6419110B1 (en) | 2001-07-03 | 2001-07-03 | Double-seamed can end and method for forming |
| US09/898,802 | 2001-07-03 | ||
| US10/078,152 US6516968B2 (en) | 2001-07-03 | 2002-02-19 | Can shell and double-seamed can end |
| US10/078,152 | 2002-02-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1524049A CN1524049A (en) | 2004-08-25 |
| CN1321862C true CN1321862C (en) | 2007-06-20 |
Family
ID=26760159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB028135490A Expired - Lifetime CN1321862C (en) | 2001-07-03 | 2002-07-01 | Can shell and double-seamed can end |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US20030121924A1 (en) |
| EP (1) | EP1434894B1 (en) |
| JP (1) | JP4647207B2 (en) |
| CN (1) | CN1321862C (en) |
| AU (1) | AU2002354810B2 (en) |
| BR (1) | BR0211033B1 (en) |
| CA (1) | CA2451453C (en) |
| IL (1) | IL159505A0 (en) |
| MX (1) | MXPA03012003A (en) |
| NZ (1) | NZ530353A (en) |
| RU (1) | RU2323796C2 (en) |
| WO (1) | WO2003004716A2 (en) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7819275B2 (en) | 2001-07-03 | 2010-10-26 | Container Development, Ltd. | Can shell and double-seamed can end |
| US6419110B1 (en) | 2001-07-03 | 2002-07-16 | Container Development, Ltd. | Double-seamed can end and method for forming |
| JP4717822B2 (en) * | 2003-09-30 | 2011-07-06 | コンテナ・ディベロップメント・リミテッド | Can shell and double winding can end |
| EP1598126A1 (en) * | 2004-05-19 | 2005-11-23 | Impress Group B.V. | Method and apparatus for deep drawing metal blanks and stepped articles made therefrom, typically cups or shells for easy open ends |
| US20060071005A1 (en) * | 2004-09-27 | 2006-04-06 | Bulso Joseph D | Container end closure with improved chuck wall and countersink |
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- 2002-07-01 CN CNB028135490A patent/CN1321862C/en not_active Expired - Lifetime
- 2002-07-01 CA CA2451453A patent/CA2451453C/en not_active Expired - Lifetime
- 2002-07-01 BR BRPI0211033-4A patent/BR0211033B1/en not_active IP Right Cessation
- 2002-07-01 WO PCT/US2002/022287 patent/WO2003004716A2/en active Application Filing
- 2002-07-01 IL IL15950502A patent/IL159505A0/en active IP Right Grant
- 2002-07-01 MX MXPA03012003A patent/MXPA03012003A/en active IP Right Grant
- 2002-07-01 AU AU2002354810A patent/AU2002354810B2/en not_active Expired
- 2002-07-01 EP EP02752312A patent/EP1434894B1/en not_active Revoked
- 2002-07-01 RU RU2003137570/02A patent/RU2323796C2/en not_active IP Right Cessation
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2003
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Also Published As
| Publication number | Publication date |
|---|---|
| CA2451453C (en) | 2010-01-26 |
| CA2451453A1 (en) | 2003-01-16 |
| WO2003004716A3 (en) | 2004-04-29 |
| BR0211033B1 (en) | 2013-04-16 |
| JP2004533933A (en) | 2004-11-11 |
| JP4647207B2 (en) | 2011-03-09 |
| MXPA03012003A (en) | 2005-07-01 |
| US20030121924A1 (en) | 2003-07-03 |
| EP1434894B1 (en) | 2011-03-02 |
| AU2002354810B2 (en) | 2008-01-03 |
| EP1434894A4 (en) | 2009-04-29 |
| RU2003137570A (en) | 2005-05-27 |
| NZ530353A (en) | 2006-03-31 |
| RU2323796C2 (en) | 2008-05-10 |
| IL159505A0 (en) | 2004-06-01 |
| BR0211033A (en) | 2005-01-04 |
| EP1434894A2 (en) | 2004-07-07 |
| CN1524049A (en) | 2004-08-25 |
| WO2003004716A2 (en) | 2003-01-16 |
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