US3451116A - Machine for crimping a ferrule to a hypodermic needle - Google Patents

Machine for crimping a ferrule to a hypodermic needle Download PDF

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US3451116A
US3451116A US582409A US3451116DA US3451116A US 3451116 A US3451116 A US 3451116A US 582409 A US582409 A US 582409A US 3451116D A US3451116D A US 3451116DA US 3451116 A US3451116 A US 3451116A
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ferrule
hypodermic needle
jaws
crimping
head
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US582409A
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Walter A Shields
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/04Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H01R43/042Hand tools for crimping
    • H01R43/0424Hand tools for crimping with more than two radially actuated mandrels
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/04Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H01R43/058Crimping mandrels
    • H01R43/0585Crimping mandrels for crimping apparatus with more than two radially actuated mandrels
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49826Assembling or joining
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/53Means to assemble or disassemble
    • Y10T29/53539Means to assemble or disassemble including work conveyor
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/53Means to assemble or disassemble
    • Y10T29/53987Tube, sleeve or ferrule
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/53Means to assemble or disassemble
    • Y10T29/53996Means to assemble or disassemble by deforming

Definitions

  • FIGURE 1 is an elevational view of the embodiment of the invention
  • FIGURE 2 is a bottom plan view, on an enlarged scale, of the head looking from the line 2-2 of FIGURE 1 in the direction of the arrows:
  • FIGURE 3 is a longitudinal sectional view, on an enlarged scale, of the head and mandrel, taken on the line 33 of FIGURE 1, looking in the direction of the arrows and showing the jaws spaced from each other and the mandrel spaced below said jaws;
  • FIGURE 4 is a view similar to FIGURE 3 with part of the head broken-away and showing the mandrel actuating the jaws into crimping position;
  • FIGURE 5 is a perspective view of a jaw.
  • the embodiment of the invention comprises a head including an annular plate 6 having a radial series of spaced pairs of ears 7 secured and projected from the bottom of said plate and each pair of ears is formed from a U-member secured at the connecting portion to the bottom of the plate as by welding.
  • Each pair of ears is adapted to swingingly support a jaw 8 by a pin 9 fixed at its ends in the ears and loosely engaged in the outer or perimetrical end of said jaw, as shown in FIGURES 3 and 4.
  • the opposite or inner end of each jaw is provided with a nose 10 tapering from converging edges 11 and the lower converging edge is arranged with a projection 12 for a purpose to be hereinafter described.
  • the noses 10 will swing in a downward direction from the head plate 6 and said downward swinging movement is limited by abutments in the form of a pin 13 fixed in and extended transversely of each pair of cars 7 to engage a notch 14 in the lower edge of each jaw 8 between the pin 9 and the nose 10.
  • the head plate 6 is provided with a tubular member 15 secured by screws 16 to the top of said plate concentrically of the opening in the plate, and said opening and tubular member 15 being lined with bearing material 17.
  • the upper end of the tubular member 15 is closed by an elongated cap member 18 secured to the tubular member and having an interior bore corresponding to the inner bore of the bearing liners 17.
  • the head plate 6 is mounted in a fixed position by a standard 19 having a lateral extension 20 secured to the head plate 6, as shown in FIGURE 2.
  • the jaws 8 are yieldingly urged against the pins 13 by a plunger 21 slidable in the bearing liners 17 and having at its lower end a tapered head 22 corresponding to the angle of the upper converging edges 11 of the jaws 8 to forcibly engage said edges 11 by a spring 23 compressed between the closed end of the cap member 18 and the upper end of the plunger 21 which is provided with a spring guiding knob 24, as shown in FIGURE 3.
  • the tapered head 22 is arranged with an inwardly extending bore 25 having a flaring entrance 26, as shown in FIGURES 3 and 4, for a purpose to be hereinafter described.
  • the pins 13 are positioned in the ears 7 so that the plunger 21 will space the jaw noses 10 a predetermined distance from each other and form a circular space, as shown in FIGURE 3.
  • a ferrule f and a hypodermic needle n are moved into said circular space formed by the jaw noses 10 by a mandrel in the form of a rod 27 slidably mounted in a bearing 28 of an annular series of equidistantly spaced bearings in a rotatable table 29.
  • the upper end of the mandrel 27 is reduced to support the ferrule 7 having the hypodermic needle n loosely engaged therein.
  • abutment in the form of a ring 30 which normally abuts the top of the bearing 28 under the influence of a spring 31 compressed on the mandrel 27 between the bottom of the table 29 and a collar 32 secured on the lower end of the mandrel 27.
  • the loosely assembled ferrules and hypodermic needles are positioned on the reduced end portions of the mandrels 27, and the table 29 is intermittently rotated by a suitable mechanism, not shown, operatively connected to a shaft 33 of the table 29.
  • the intermittent rotation of the table 29 successively positions a mandrel 27 with its loosely assembled ferrule and hypodermic needle in vertical alignment and spaced below the circular space formed by the jaw noses 10.
  • a rod 33' is slidably mounted in a bearing 34 on a platform 35 below the table 29 with the upper end of the rod 33 normally positioned slightly below the path of travel of the lower ends of the mandrels 27, as shown in FIGURE 1.
  • the lower end of the rod 33 is arranged with an adjustable coupling member 36 pivotally connected to a lever 37 adjacent one end of said lever and the opposite end of said lever is pivotally mounted, as shown at 38 in FIGURE 1.
  • a roller 39 is rotatably mounted on a portion of the lever 37 intermediate the ends of said lever and is yieldingly urged by a spring 40 to ride on a cam disc 41 continuously rotated by suitable mechanism, not shown.
  • the spring 40 is connected at one end to the end of the lever 37 adjacent to the pivotal connection of the coupling member 36.
  • the opposite end of the spring 40 is anchored to suitable anchorage, not shown.
  • the low portion of the cam disc 41 under the infiuence of the spring 40 will position the upper end of the rod 33' slightly below the line of travel of the lower ends of the mandrels 27, as shown in FIGURE 3.
  • the high portion of the cam disc 41 will contact the roller 39 during the rest periods of the table 29 and raise the aligned mandrel against the force of the associated spring 31 and forcibly engage the abutment ring 30 with the jaw projections 12 to impart a toggle action to the jaws 8 causing the jaw noses 10 to advance forwardly with great pressure and squeezed or crimp the ferrule f to the hypodermic needle n which have been positioned in the circular space formed by the jaw noses 10 just prior to the contact of the ring abutment 30 with the jaw projections 12, as shown in FIGURE 4.
  • the bore in the tapered head 22 of the plunger 21 will permit upward movement of the mandrel 27 without damaging the hypodermic needle 11, as shown in FIGURE 4.
  • a protective shield is positioned over the fully assembled ferrule and hypodermic needle at a succeeding station of the mandrel 27 by a succeeding intermittent rotation of the table 29.
  • mandrels 27 could be fixedly mounted on the table 29 and the head plate 6 could be reciproacted toward and away from an aligned mandrel 27 and its ferrule f and hypodermic needle n without departing from the scope of the present invention.
  • a machine for crimping a ferrule to a hypodermic needle comprising a head, jaws radially disposed in the head and pivotally mounted at their perimetrical ends with the opposite ends swinging in a downward direction from each other, abutments in the head to limit the downwardly swinging movement of the opposite ends of the jaws and space said opposite ends a predetermined distance apart, and a mandrel adapted to be positioned in vertical alignment and spaced 'below the space between the opposite ends of the jaws, said mandrel adapted to support a ferrule having a hypodermic needle loosely engaged therein said mandrel adapted to impart movement of the hypodermic needle into the space between the opposite ends of the jaws thereby moving the jaws from the abutments in the head and causing said opposite ends of the jaws to crimp the ferrule to the hypodermic needle.
  • each jaw is provided with a notch in the lower edge thereof and intermediate the ends of each jaw, and each abutment in the head comprises a pin extended transversely of and in the notch of the jaw.
  • a plunger having a tapered head corresponding to the angle of the upper converging edges of the jaws and slidably mounted in the head and yieldingly urged to engage said tapered head with the upper converging edges of the jaws and normally maintain the jaws in engagement with the abutments in the head and space the noses of the jaws from each other.
  • the machine to crimp a ferrule to a hypodermic needle as claimed in claim 8, wherein the means to intermittently actuate the mandrel comprises a rod slidably mounted in vertical alignment and spaced below the space between the opposite ends of the jaws, a continuously rotating cam disc, and a lever connected to the rod and having a roller riding on the cam disc.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Description

June 24, 1969 w. A. SHIELDS 3,451,116
MACHINE FOR CRIMPING A FERRULE TO A HYPODERMIC NEEDLE Filed Sept. 27, 1966 Sheet of 2 INVENTOR WALTER A.SHIELDS ATTORNEY June 24, 1969 w. A. SHIELDS 3,451,116
MACHINE FOR CRIMPING A FERRULE TO A HYPODERMIC NEEDLE Filed Sept. 27,. 1966 Sheet 2; 012
Flea.
INVENTOR WALTER A. SHIELDS 33' BY v ATTORNEY United States Patent 3,451,116 MACHINE FOR CRIMPING A FERRULE TO A HYPODERMIC NEEDLE Walter A. Shields, Jamaica, N.Y. (38-09 24th St., Long Island City, N.Y. 11101) Filed Sept. 27, 1966, Ser. No. 582,409 Int. Cl. B23p 19/04 U.S. Cl. 29-200 12 Claims ABSTRACT OF THE DISCLOSURE After the ferrule is crimped to the hypodermic needle, it is provided with a protective shield and assembled in a cap member for use in a syringe.
It is an object of the invention to provide jaws which will evenly crimp a ferrule to a hypodermic needle under great pressure by a toggle action.
It is another object of the invention to maintain the jaws and mandrel under spring tension during the crimping of the ferrule to the hypodermic needle.
Other objects and advantages of the invention will be set forth in the detailed description of the invention.
In the drawings accompanying and forming a part of this application:
FIGURE 1 is an elevational view of the embodiment of the invention;
FIGURE 2 is a bottom plan view, on an enlarged scale, of the head looking from the line 2-2 of FIGURE 1 in the direction of the arrows:
FIGURE 3 is a longitudinal sectional view, on an enlarged scale, of the head and mandrel, taken on the line 33 of FIGURE 1, looking in the direction of the arrows and showing the jaws spaced from each other and the mandrel spaced below said jaws;
FIGURE 4 is a view similar to FIGURE 3 with part of the head broken-away and showing the mandrel actuating the jaws into crimping position; and
FIGURE 5 is a perspective view of a jaw.
The embodiment of the invention comprises a head including an annular plate 6 having a radial series of spaced pairs of ears 7 secured and projected from the bottom of said plate and each pair of ears is formed from a U-member secured at the connecting portion to the bottom of the plate as by welding. Each pair of ears is adapted to swingingly support a jaw 8 by a pin 9 fixed at its ends in the ears and loosely engaged in the outer or perimetrical end of said jaw, as shown in FIGURES 3 and 4. The opposite or inner end of each jaw is provided with a nose 10 tapering from converging edges 11 and the lower converging edge is arranged with a projection 12 for a purpose to be hereinafter described. Due to the location of the pins 9 in the jaws 8, the noses 10 will swing in a downward direction from the head plate 6 and said downward swinging movement is limited by abutments in the form of a pin 13 fixed in and extended transversely of each pair of cars 7 to engage a notch 14 in the lower edge of each jaw 8 between the pin 9 and the nose 10. In the present illustration of the invention there are eight radially disposed jaws.
The head plate 6 is provided with a tubular member 15 secured by screws 16 to the top of said plate concentrically of the opening in the plate, and said opening and tubular member 15 being lined with bearing material 17. The upper end of the tubular member 15 is closed by an elongated cap member 18 secured to the tubular member and having an interior bore corresponding to the inner bore of the bearing liners 17. The head plate 6 is mounted in a fixed position by a standard 19 having a lateral extension 20 secured to the head plate 6, as shown in FIGURE 2.
The jaws 8 are yieldingly urged against the pins 13 by a plunger 21 slidable in the bearing liners 17 and having at its lower end a tapered head 22 corresponding to the angle of the upper converging edges 11 of the jaws 8 to forcibly engage said edges 11 by a spring 23 compressed between the closed end of the cap member 18 and the upper end of the plunger 21 which is provided with a spring guiding knob 24, as shown in FIGURE 3. The tapered head 22 is arranged with an inwardly extending bore 25 having a flaring entrance 26, as shown in FIGURES 3 and 4, for a purpose to be hereinafter described. The pins 13 are positioned in the ears 7 so that the plunger 21 will space the jaw noses 10 a predetermined distance from each other and form a circular space, as shown in FIGURE 3.
A ferrule f and a hypodermic needle n are moved into said circular space formed by the jaw noses 10 by a mandrel in the form of a rod 27 slidably mounted in a bearing 28 of an annular series of equidistantly spaced bearings in a rotatable table 29. The upper end of the mandrel 27 is reduced to support the ferrule 7 having the hypodermic needle n loosely engaged therein. Below the reduced end of the mandrel 27, there is secured an abutment in the form of a ring 30 which normally abuts the top of the bearing 28 under the influence of a spring 31 compressed on the mandrel 27 between the bottom of the table 29 and a collar 32 secured on the lower end of the mandrel 27.
In operation, the loosely assembled ferrules and hypodermic needles are positioned on the reduced end portions of the mandrels 27, and the table 29 is intermittently rotated by a suitable mechanism, not shown, operatively connected to a shaft 33 of the table 29. The intermittent rotation of the table 29 successively positions a mandrel 27 with its loosely assembled ferrule and hypodermic needle in vertical alignment and spaced below the circular space formed by the jaw noses 10. A rod 33' is slidably mounted in a bearing 34 on a platform 35 below the table 29 with the upper end of the rod 33 normally positioned slightly below the path of travel of the lower ends of the mandrels 27, as shown in FIGURE 1. The lower end of the rod 33 is arranged with an adjustable coupling member 36 pivotally connected to a lever 37 adjacent one end of said lever and the opposite end of said lever is pivotally mounted, as shown at 38 in FIGURE 1. A roller 39 is rotatably mounted on a portion of the lever 37 intermediate the ends of said lever and is yieldingly urged by a spring 40 to ride on a cam disc 41 continuously rotated by suitable mechanism, not shown. The spring 40 is connected at one end to the end of the lever 37 adjacent to the pivotal connection of the coupling member 36. The opposite end of the spring 40 is anchored to suitable anchorage, not shown. The low portion of the cam disc 41 under the infiuence of the spring 40 will position the upper end of the rod 33' slightly below the line of travel of the lower ends of the mandrels 27, as shown in FIGURE 3. The high portion of the cam disc 41 will contact the roller 39 during the rest periods of the table 29 and raise the aligned mandrel against the force of the associated spring 31 and forcibly engage the abutment ring 30 with the jaw projections 12 to impart a toggle action to the jaws 8 causing the jaw noses 10 to advance forwardly with great pressure and squeezed or crimp the ferrule f to the hypodermic needle n which have been positioned in the circular space formed by the jaw noses 10 just prior to the contact of the ring abutment 30 with the jaw projections 12, as shown in FIGURE 4. The bore in the tapered head 22 of the plunger 21 will permit upward movement of the mandrel 27 without damaging the hypodermic needle 11, as shown in FIGURE 4.
After the ferrule is crimped to the hypodermic needle, a protective shield is positioned over the fully assembled ferrule and hypodermic needle at a succeeding station of the mandrel 27 by a succeeding intermittent rotation of the table 29.
It is to be understood that the mandrels 27 could be fixedly mounted on the table 29 and the head plate 6 could be reciproacted toward and away from an aligned mandrel 27 and its ferrule f and hypodermic needle n without departing from the scope of the present invention.
Having thus described my invention, I claim:
1. A machine for crimping a ferrule to a hypodermic needle comprising a head, jaws radially disposed in the head and pivotally mounted at their perimetrical ends with the opposite ends swinging in a downward direction from each other, abutments in the head to limit the downwardly swinging movement of the opposite ends of the jaws and space said opposite ends a predetermined distance apart, and a mandrel adapted to be positioned in vertical alignment and spaced 'below the space between the opposite ends of the jaws, said mandrel adapted to support a ferrule having a hypodermic needle loosely engaged therein said mandrel adapted to impart movement of the hypodermic needle into the space between the opposite ends of the jaws thereby moving the jaws from the abutments in the head and causing said opposite ends of the jaws to crimp the ferrule to the hypodermic needle.
2. The machine for crimping a ferrule to a hypodermic needle as claimed in claim 1, wherein the head is fixedly mounted.
3. The machine for crimping a ferrule to a hypodermic needle as claimed in claim 1, wherein each jaw is provided with a notch in the lower edge thereof and intermediate the ends of each jaw, and each abutment in the head comprises a pin extended transversely of and in the notch of the jaw.
4. The machine for crimping a ferrule to a hypodermic needle as claimed in claim 1, wherein the opposite end of each jaw is provided with a nose tapering from converging edges of said jaw.
5. The machine for crimping a ferrule to a hypodermic needle as claimed in claim 1, a plunger slidably mounted in the head and yieldingly urged into engagement with said opposite ends of the jaws to normally maintain the jaws in engagement with the abutments in the head.
6. The machine for crimping a ferrule to a hypodermic needle as claimed in claim 4, a plunger having a tapered head corresponding to the angle of the upper converging edges of the jaws and slidably mounted in the head and yieldingly urged to engage said tapered head with the upper converging edges of the jaws and normally maintain the jaws in engagement with the abutments in the head and space the noses of the jaws from each other.
7. The machine for crimping a ferrule to a hypodermic needle as claimed in claim 6, wherein the tapered head of the plunger is provided with a vertical bore to receive the hypodermic needle during the crimping of the ferrule to the hypoderimc needle.
8. The machine for crimping a ferrule to a hypodermic needle as claimed in claim 1, wherein the mandrel is slidably mounted and yieldingly urged from the head to position the hypodermic needle and ferrule in spaced relation to the opposite ends of the jaws, and means to intermittently actuate the mandrel toward the head.
9. The machine for crimping a ferrule to a hypodermic needle as claimed in claim 8, an abutment mounted on the mandrel below the ferrule and hypodermic needle to limit the movement of the mandrel from the head, to engage the opposite ends of the jaws, to move the jaws from the abuments in the head and to cause the crimping of the ferrule to the hypodermic needle by the opposite ends of the jaws.
10. The machine for crimping a ferrule to a hypodermic needle as claimed in claim 9, wherein the lower converging edge of each jaw is provided with a projection to be engaged by the abutment on the mandrel.
11. The machine for crimping a ferrule to a hypodermic needle as claimed in claim 1, a table rotatably mounted on a vertical axis extending in a plane parallel to the vertical axis of the head and slidably carrying a plurality of said mandrels to successively position the mandrels in vertical alignment and spaced below the space between the opposite ends of the jaws.
12. The machine to crimp a ferrule to a hypodermic needle as claimed in claim 8, wherein the means to intermittently actuate the mandrel comprises a rod slidably mounted in vertical alignment and spaced below the space between the opposite ends of the jaws, a continuously rotating cam disc, and a lever connected to the rod and having a roller riding on the cam disc.
5/1958 Perri. 5/1961 Macleod.
THOMAS H. EAGER, Primary Examiner.
U.S. Cl. X.R. 29-208
US582409A 1966-09-27 1966-09-27 Machine for crimping a ferrule to a hypodermic needle Expired - Lifetime US3451116A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3541663A (en) * 1968-08-21 1970-11-24 Roman Szpur Syringe needle attachment device
EP0079289A1 (en) * 1981-11-09 1983-05-18 Allied Corporation Apparatus for crimping brush contacts
US4567650A (en) * 1984-04-09 1986-02-04 Automation Industries, Inc. Fiber optic crimping tool
US4989443A (en) * 1990-04-13 1991-02-05 Btm Corporation Crimping apparatus
US5392509A (en) * 1993-07-29 1995-02-28 Krell Technologies, Inc. Apparatus for capping used or unsanitary needles
US20070006634A1 (en) * 2005-06-28 2007-01-11 Mnp Corporation Crimped tube coupling and a crimping apparatus for making a crimped tube coupling

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2836218A (en) * 1956-06-14 1958-05-27 United Shoe Machinery Corp Machines for embedding metal jackets into wood cores of dowels
US2986192A (en) * 1957-05-07 1961-05-30 W D Allen Mfg Co Apparatus and method for connecting couplings to hose

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2836218A (en) * 1956-06-14 1958-05-27 United Shoe Machinery Corp Machines for embedding metal jackets into wood cores of dowels
US2986192A (en) * 1957-05-07 1961-05-30 W D Allen Mfg Co Apparatus and method for connecting couplings to hose

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3541663A (en) * 1968-08-21 1970-11-24 Roman Szpur Syringe needle attachment device
EP0079289A1 (en) * 1981-11-09 1983-05-18 Allied Corporation Apparatus for crimping brush contacts
US4567650A (en) * 1984-04-09 1986-02-04 Automation Industries, Inc. Fiber optic crimping tool
US4989443A (en) * 1990-04-13 1991-02-05 Btm Corporation Crimping apparatus
US5392509A (en) * 1993-07-29 1995-02-28 Krell Technologies, Inc. Apparatus for capping used or unsanitary needles
US20070006634A1 (en) * 2005-06-28 2007-01-11 Mnp Corporation Crimped tube coupling and a crimping apparatus for making a crimped tube coupling

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