DD134061A5 - Verfahren und werkzeug zur herstellung von rohren - Google Patents
Verfahren und werkzeug zur herstellung von rohrenInfo
- Publication number
- DD134061A5 DD134061A5 DD78203382A DD20338278A DD134061A5 DD 134061 A5 DD134061 A5 DD 134061A5 DD 78203382 A DD78203382 A DD 78203382A DD 20338278 A DD20338278 A DD 20338278A DD 134061 A5 DD134061 A5 DD 134061A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- tubes
- tool
- production
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls
- B21C37/207—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls with helical guides
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/4935—Heat exchanger or boiler making
- Y10T29/49377—Tube with heat transfer means
- Y10T29/49378—Finned tube
- Y10T29/49385—Made from unitary workpiece, i.e., no assembly
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Forging (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL1977195619A PL113419B1 (en) | 1977-01-26 | 1977-01-26 | Method of rolling transversely finned pipes and workingtool therefor |
Publications (1)
Publication Number | Publication Date |
---|---|
DD134061A5 true DD134061A5 (de) | 1979-02-07 |
Family
ID=19980689
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD78203382A DD134061A5 (de) | 1977-01-26 | 1978-01-24 | Verfahren und werkzeug zur herstellung von rohren |
Country Status (15)
Country | Link |
---|---|
US (1) | US4153982A (de) |
JP (1) | JPS5393168A (de) |
CA (1) | CA1094787A (de) |
CS (1) | CS203004B2 (de) |
DD (1) | DD134061A5 (de) |
DE (1) | DE2803365C3 (de) |
FR (1) | FR2378584A1 (de) |
GB (1) | GB1596865A (de) |
HU (1) | HU176733B (de) |
IT (1) | IT7867147A0 (de) |
NL (1) | NL7800970A (de) |
PL (1) | PL113419B1 (de) |
RO (1) | RO78178A (de) |
SE (1) | SE7800918L (de) |
SU (1) | SU1080734A3 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4348794A (en) * | 1978-05-05 | 1982-09-14 | International Telephone And Telegraph Corporation | Double-walled finned heat transfer tube |
JPS6025213B2 (ja) * | 1979-07-31 | 1985-06-17 | ドネプロペトロフスキイ ゴルニイ インスチテユ−ト イメニ アルテマ | ねじ山の形の内側に閉じられた螺旋空洞を有する弾性ねじの製造方法と工具 |
US4403385A (en) * | 1980-10-24 | 1983-09-13 | Amtrol Inc. | Process of preparing a double wall heat exchanger |
JPS57145070U (de) * | 1981-03-06 | 1982-09-11 | ||
PL139849B1 (en) * | 1983-03-31 | 1987-02-28 | Zaklady Urzadzen Chem | Method of rolling of transversally finned pipes and set of tools therefor |
US4546819A (en) * | 1984-02-10 | 1985-10-15 | Amtrol Inc. | Double wall heat exchanger |
US4612791A (en) * | 1984-06-19 | 1986-09-23 | Zaklady Urzadzen Chemicznych Metalchem | Method and apparatus for rolling transversely ribbed bimetallic pipes |
US4612790A (en) * | 1984-06-19 | 1986-09-23 | Zaklady Urzadzen Chemicznych Metalchem | Method of drawing ribs on tubes |
US4901553A (en) * | 1987-06-03 | 1990-02-20 | Sumitomo Metal Industries, Ltd. | Method of manufacturing a finned tube |
WO1990010513A1 (en) * | 1989-03-13 | 1990-09-20 | Belorussky Politekhnichesky Institut | Machine tool for cutting out transverse ribs on a rectangular cross-section element for heat exchanger |
JP6400418B2 (ja) * | 2014-10-01 | 2018-10-03 | アロン化成株式会社 | リブ付曲管の製造方法およびそれに使用する熱処理用治具 |
CN113102542A (zh) * | 2021-03-15 | 2021-07-13 | 射洪县才伦建材有限责任公司 | 基于crb600h的冷轧带肋钢筋的生产工艺 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2586653A (en) * | 1951-06-22 | 1952-02-19 | Calumet And Hecla Cons Copper | Method of producing heat exchange elements |
US2680975A (en) * | 1953-02-24 | 1954-06-15 | Hudson Engineering Corp | Fin forming machine |
GB897635A (en) * | 1960-01-30 | 1962-05-30 | Howell & Company Ltd | Manufacture of composite metal tubes |
US3683656A (en) * | 1970-03-25 | 1972-08-15 | Carl M Lewis | Heat exchanger apparatus and method of making the same |
DE2202435A1 (de) * | 1972-01-19 | 1973-08-02 | Microdot Inc | Verfahren zur herstellung von gewindekoerpern |
US4059147A (en) * | 1972-07-14 | 1977-11-22 | Universal Oil Products Company | Integral finned tube for submerged boiling applications having special O.D. and/or I.D. enhancement |
-
1977
- 1977-01-26 PL PL1977195619A patent/PL113419B1/pl not_active IP Right Cessation
-
1978
- 1978-01-16 CA CA294,977A patent/CA1094787A/en not_active Expired
- 1978-01-18 US US05/870,452 patent/US4153982A/en not_active Expired - Lifetime
- 1978-01-20 CS CS78394A patent/CS203004B2/cs unknown
- 1978-01-20 RO RO7892969A patent/RO78178A/ro unknown
- 1978-01-23 HU HU78ZA405A patent/HU176733B/hu unknown
- 1978-01-23 FR FR7801794A patent/FR2378584A1/fr active Granted
- 1978-01-23 SU SU782568053A patent/SU1080734A3/ru active
- 1978-01-24 DD DD78203382A patent/DD134061A5/de unknown
- 1978-01-24 JP JP665478A patent/JPS5393168A/ja active Granted
- 1978-01-25 IT IT7867147A patent/IT7867147A0/it unknown
- 1978-01-25 GB GB2956/78A patent/GB1596865A/en not_active Expired
- 1978-01-25 SE SE7800918A patent/SE7800918L/xx unknown
- 1978-01-26 NL NL7800970A patent/NL7800970A/xx not_active Application Discontinuation
- 1978-01-26 DE DE2803365A patent/DE2803365C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
SU1080734A3 (ru) | 1984-03-15 |
IT7867147A0 (it) | 1978-01-25 |
NL7800970A (nl) | 1978-07-28 |
CS203004B2 (en) | 1981-02-27 |
GB1596865A (en) | 1981-09-03 |
JPS5393168A (en) | 1978-08-15 |
HU176733B (en) | 1981-04-28 |
CA1094787A (en) | 1981-02-03 |
SE7800918L (sv) | 1978-07-27 |
RO78178A (ro) | 1982-02-01 |
US4153982A (en) | 1979-05-15 |
PL113419B1 (en) | 1980-12-31 |
DE2803365B2 (de) | 1981-04-16 |
FR2378584B1 (de) | 1980-08-22 |
JPS561972B2 (de) | 1981-01-17 |
FR2378584A1 (fr) | 1978-08-25 |
PL195619A1 (pl) | 1978-08-14 |
DE2803365A1 (de) | 1978-07-27 |
DE2803365C3 (de) | 1981-12-24 |
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