DE2647994C2 - Verfahren zum Formen schraubenförmig gewellter Rohre - Google Patents

Verfahren zum Formen schraubenförmig gewellter Rohre

Info

Publication number
DE2647994C2
DE2647994C2 DE2647994A DE2647994A DE2647994C2 DE 2647994 C2 DE2647994 C2 DE 2647994C2 DE 2647994 A DE2647994 A DE 2647994A DE 2647994 A DE2647994 A DE 2647994A DE 2647994 C2 DE2647994 C2 DE 2647994C2
Authority
DE
Germany
Prior art keywords
pipe
pipe section
pressure
corrugations
section
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
Application number
DE2647994A
Other languages
German (de)
English (en)
Other versions
DE2647994A1 (de
Inventor
Robert W. 06517 Hamden Conn. Perkins
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thermodynetics Inc Windsor Conn Us
Original Assignee
SPIRAL TUBING CORP NEW BRITAIN CONN US
Spiral Tubing Corp New Britain Conn
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SPIRAL TUBING CORP NEW BRITAIN CONN US, Spiral Tubing Corp New Britain Conn filed Critical SPIRAL TUBING CORP NEW BRITAIN CONN US
Publication of DE2647994A1 publication Critical patent/DE2647994A1/de
Application granted granted Critical
Publication of DE2647994C2 publication Critical patent/DE2647994C2/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B21D15/00—Corrugating tubes
    • B21D15/04—Corrugating tubes transversely, e.g. helically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles 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 or 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 or tubes with decorated walls with helical guides

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
DE2647994A 1976-02-20 1976-10-21 Verfahren zum Formen schraubenförmig gewellter Rohre Expired DE2647994C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/659,845 US4059004A (en) 1976-02-20 1976-02-20 Method of forming helically corrugated tubing

Publications (2)

Publication Number Publication Date
DE2647994A1 DE2647994A1 (de) 1977-08-25
DE2647994C2 true DE2647994C2 (de) 1982-07-29

Family

ID=24647063

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2647994A Expired DE2647994C2 (de) 1976-02-20 1976-10-21 Verfahren zum Formen schraubenförmig gewellter Rohre

Country Status (3)

Country Link
US (1) US4059004A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS52100361A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2647994C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2842249A1 (de) * 1977-09-29 1979-04-05 Spiral Tubing Corp Schraubenfoermig gewelltes rohr mit wellen unterschiedlicher tiefe und verfahren zur herstellung desselben

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4203312A (en) * 1977-09-29 1980-05-20 Spiral Tubing Corporation Corrugated tubing with variable depth corrugations and method of making the same
US4171634A (en) * 1977-09-29 1979-10-23 Spiral Tubing Corporation Method of making corrugated tubing with graduated pitch
US4317353A (en) * 1979-12-26 1982-03-02 Delta T Limited Tube twisting apparatus
US5092038A (en) * 1989-04-03 1992-03-03 G. P. Industries, Inc. Method of manufacturing spiral heat exchanger tubes with an external fin
US5410808A (en) * 1993-02-24 1995-05-02 G.P. Industries, Inc. Method of making a double wall twist tube
JP3023583B2 (ja) 1993-09-13 2000-03-21 中尾 聖子 ねじり角パイプとねじり平鋼の製造方法と、ねじり角パイプの製造機械。
US5771726A (en) * 1996-08-28 1998-06-30 Kenney Manufacturing Company Apparatus and method for twisting hollow rods
US6652664B2 (en) * 2002-01-09 2003-11-25 Leo R. Durocher Oil pump screen cleaning method and apparatus
JP4549281B2 (ja) * 2005-11-11 2010-09-22 三菱電機株式会社 熱交換器用パイプの製造装置
KR101749638B1 (ko) 2016-04-04 2017-06-21 주식회사 아스트 스웨이징 가공을 위한 맨드렐
CN107350302B (zh) * 2017-08-31 2019-11-19 西京学院 一种管材剪挤成形方法
CN114260347A (zh) * 2021-12-13 2022-04-01 奥美森智能装备股份有限公司 一种扭螺纹管机

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2569850A (en) * 1947-03-08 1951-10-02 Atf Inc Crimping device
US2729266A (en) * 1952-11-24 1956-01-03 Gen Gas Light Co Apparatus and method for making spirally corrugated metal tubes
US3015355A (en) * 1959-07-06 1962-01-02 Gen Gas Light Co Method for forming spirally ribbed tubing
US3533267A (en) * 1968-07-23 1970-10-13 Turbotec Inc Method and machine for spirally corrugating tubes
US3707084A (en) * 1970-07-17 1972-12-26 Olin Corp Apparatus for forming corrugated tubing
JPS4914750U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-05-10 1974-02-07

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2842249A1 (de) * 1977-09-29 1979-04-05 Spiral Tubing Corp Schraubenfoermig gewelltes rohr mit wellen unterschiedlicher tiefe und verfahren zur herstellung desselben

Also Published As

Publication number Publication date
US4059004A (en) 1977-11-22
JPS52100361A (en) 1977-08-23
DE2647994A1 (de) 1977-08-25
JPS5325830B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1978-07-28

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Legal Events

Date Code Title Description
D2 Grant after examination
8327 Change in the person/name/address of the patent owner

Owner name: THERMODYNETICS, INC., WINDSOR, CONN., US

8328 Change in the person/name/address of the agent

Free format text: MUELLER-BOERNER, R., DIPL.-ING., 1000 BERLIN WEY, H., DIPL.-ING., PAT.-ANW., 8000 MUENCHEN

8339 Ceased/non-payment of the annual fee