GB1302335A - - Google Patents

Info

Publication number
GB1302335A
GB1302335A GB2446771*A GB2446771A GB1302335A GB 1302335 A GB1302335 A GB 1302335A GB 2446771 A GB2446771 A GB 2446771A GB 1302335 A GB1302335 A GB 1302335A
Authority
GB
United Kingdom
Prior art keywords
tube
rolling
assemblies
rolls
pitch
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
GB2446771*A
Other languages
English (en)
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 filed Critical
Publication of GB1302335A publication Critical patent/GB1302335A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Extraction Processes (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
GB2446771*A 1970-03-04 1971-04-19 Expired GB1302335A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1627470A 1970-03-04 1970-03-04

Publications (1)

Publication Number Publication Date
GB1302335A true GB1302335A (enrdf_load_stackoverflow) 1973-01-10

Family

ID=21776294

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2446771*A Expired GB1302335A (enrdf_load_stackoverflow) 1970-03-04 1971-04-19

Country Status (6)

Country Link
US (1) US3648502A (enrdf_load_stackoverflow)
JP (1) JPS5598447U (enrdf_load_stackoverflow)
CA (1) CA942545A (enrdf_load_stackoverflow)
DE (1) DE2110485C3 (enrdf_load_stackoverflow)
FR (1) FR2084158A5 (enrdf_load_stackoverflow)
GB (1) GB1302335A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2146930A (en) * 1983-09-24 1985-05-01 Eschweiler Bergwerksverein A planetary skew-rolling mill

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3795125A (en) * 1972-01-27 1974-03-05 Universal Oil Prod Co High-fin integral finned tube of heat-resisting alloys, and multi-pass process for making the same
US4043161A (en) * 1975-11-07 1977-08-23 Astrolab, Inc. Apparatus for forming corrugations of "zero" pitch in coaxial cable
ZA764761B (en) * 1976-08-09 1978-01-25 Heat Exchangers Africa Ltd Finned tubing
DE2804990C2 (de) * 1978-02-06 1985-08-29 kabelmetal electro GmbH, 3000 Hannover Vorrichtung zum kontinuierlichen Wellen dünnwandiger Rohre
US4299106A (en) * 1978-09-22 1981-11-10 Heat Exchangers Africa Limited Finned tubing
NL8203928A (nl) * 1981-11-23 1983-06-16 Wieland Werke Ag Buis voor het overdragen van warmte met lekkage-indikatie.
US4901553A (en) * 1987-06-03 1990-02-20 Sumitomo Metal Industries, Ltd. Method of manufacturing a finned tube
FR2690858B1 (fr) * 1992-05-06 1994-07-01 Escofier Tech Sa Dispositif permettant le formage d'ailettes helicouidales sur la paroi exterieure de tubes.
US5417095A (en) * 1993-11-08 1995-05-23 C.J. Winter Machine Works, Inc. Thread rolling attachment and method
DE4420756C1 (de) 1994-06-15 1995-11-30 Wieland Werke Ag Mehrgängiges Rippenrohr und Verfahren zu dessen Herstellung
US6427767B1 (en) 1997-02-26 2002-08-06 American Standard International Inc. Nucleate boiling surface
US6739167B2 (en) 1998-03-31 2004-05-25 Showa Denko K.K. Work roll for use in rolling apparatus
ES2233026T3 (es) * 1998-03-31 2005-06-01 Showa Denko K.K. Dispositivo de laminado.
US6382311B1 (en) 1999-03-09 2002-05-07 American Standard International Inc. Nucleate boiling surface
FR2836649B1 (fr) * 2002-03-01 2006-05-26 Inst Francais Du Petrole Outil compose de plaques empilees pour imprimer des rainures sur un materiau deformable
CN103191979B (zh) * 2013-03-27 2015-04-01 金龙精密铜管集团股份有限公司 一种加工翅片管的刀具组合
CN108778679B (zh) * 2016-04-13 2020-08-25 康斯博格驱动系统有限公司 用于形成波纹状含氟聚合物管的方法和设备

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2508517A (en) * 1945-10-01 1950-05-23 Calumet And Hecla Cons Copper Method of forming integral fins on tubing
US2779223A (en) * 1955-08-24 1957-01-29 Herman A Schuster Apparatus for forming fins
BE669560A (enrdf_load_stackoverflow) * 1964-12-28

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2146930A (en) * 1983-09-24 1985-05-01 Eschweiler Bergwerksverein A planetary skew-rolling mill

Also Published As

Publication number Publication date
DE2110485C3 (de) 1981-05-27
FR2084158A5 (enrdf_load_stackoverflow) 1971-12-17
US3648502A (en) 1972-03-14
CA942545A (en) 1974-02-26
DE2110485A1 (de) 1971-09-16
JPS5598447U (enrdf_load_stackoverflow) 1980-07-09
DE2110485B2 (de) 1980-06-19

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee