ATE105748T1 - TUBE AND METHOD OF MANUFACTURE. - Google Patents

TUBE AND METHOD OF MANUFACTURE.

Info

Publication number
ATE105748T1
ATE105748T1 AT91302205T AT91302205T ATE105748T1 AT E105748 T1 ATE105748 T1 AT E105748T1 AT 91302205 T AT91302205 T AT 91302205T AT 91302205 T AT91302205 T AT 91302205T AT E105748 T1 ATE105748 T1 AT E105748T1
Authority
AT
Austria
Prior art keywords
tube
projections
strip
projection
recesses
Prior art date
Application number
AT91302205T
Other languages
German (de)
Inventor
Roy Humpage
Original Assignee
Hadley Ind Plc
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 Hadley Ind Plc filed Critical Hadley Ind Plc
Application granted granted Critical
Publication of ATE105748T1 publication Critical patent/ATE105748T1/en

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
    • B21C37/155—Making tubes with non circular section
    • 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
    • B21C37/156—Making tubes with wall irregularities
    • B21C37/157—Perforations
    • 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
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/03—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal otherwise than by folding
    • B21D39/037—Interlocking butt joints

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Making Paper Articles (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

A polygonal tube is produced from metal strip by forming rows of recesses (15) and projections (16) along opposite edges of the strip and then bending the strip until each projection is received in a corresponding recess to form the tube. The projections are then squeezed between opposed surfaces (26,28) one inside and other outside the tube. The surface inside the tube forms a groove (27) in the tube wall at the inside of the tube, spreads each projection to take up any clearance between edges of the projections and boundaries of the corresponding recesses. The surface outside the tube allows the tube to remain flat. <IMAGE>
AT91302205T 1990-03-14 1991-03-14 TUBE AND METHOD OF MANUFACTURE. ATE105748T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9005703A GB2244015B (en) 1990-03-14 1990-03-14 Tube and method of forming same

Publications (1)

Publication Number Publication Date
ATE105748T1 true ATE105748T1 (en) 1994-06-15

Family

ID=10672583

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91302205T ATE105748T1 (en) 1990-03-14 1991-03-14 TUBE AND METHOD OF MANUFACTURE.

Country Status (6)

Country Link
EP (1) EP0447251B1 (en)
AT (1) ATE105748T1 (en)
DE (1) DE69102000T2 (en)
ES (1) ES2052332T3 (en)
GB (1) GB2244015B (en)
WO (1) WO1993005903A1 (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2717729B1 (en) * 1994-03-25 1996-05-15 Vidrequin Sa Device for fixing a handle to the body of a tool.
US5924457A (en) * 1995-06-28 1999-07-20 Calsonic Corporation Pipe and method for producing the same
JP3348413B2 (en) * 1995-11-17 2002-11-20 カルソニックカンセイ株式会社 Header pipe for heat exchanger
AT406235B (en) * 1996-05-13 2000-03-27 Blaha Friedrich Mag Ing Method for connecting the edges of one or more thin- walled components
DE19642256A1 (en) * 1996-10-12 1998-05-14 Axel H Schmidt Structure for forming partitions, shelves etc.
AT406940B (en) 1997-06-17 2000-10-25 Friedrich Mag Ing Blaha HOLLOW BODY CONSTRUCTING AT LEAST ONE COMPONENT FROM FLAT MATERIAL, AND METHOD FOR THE PRODUCTION THEREOF
DE59710088D1 (en) * 1997-07-02 2003-06-18 Friedrich Blaha Method for connecting the edge areas of one or more thin-walled components
US8119159B2 (en) 1999-02-22 2012-02-21 Merrion Research Iii Limited Solid oral dosage form containing an enhancer
US7658938B2 (en) 1999-02-22 2010-02-09 Merrion Reasearch III Limited Solid oral dosage form containing an enhancer
FR2810265B1 (en) * 2000-06-19 2007-06-15 Perfomat METHOD OF ASSEMBLING TWO SHEET ELEMENTS AND TUBE OBTAINED THEREBY
DE10137243C2 (en) * 2001-07-30 2003-09-04 Fischer & Kaufmann Gmbh & Co K Process for the positive connection of two edges of a sheet and a sheet metal part produced therewith
GB2412140A (en) * 2004-03-20 2005-09-21 Fairbright Ind Plc A scaffold guard assembly including a screen and hook members
EP2526950A1 (en) 2006-04-07 2012-11-28 Merrion Research III Limited Solid oral dosage form containing an enhancer
CA2723541A1 (en) 2008-05-07 2009-11-12 Merrion Research Iii Limited Compositions of peptides and processes of preparation thereof
WO2011120033A1 (en) 2010-03-26 2011-09-29 Merrion Research Iii Limited Pharmaceutical compositions of selective factor xa inhibitors for oral administration
AU2012204213A1 (en) 2011-01-07 2013-06-13 Merrion Research Iii Limited Pharmaceutical compositions of iron for oral administration
JP6098188B2 (en) * 2013-01-30 2017-03-22 株式会社リコー Pipe body, pipe body manufacturing method
DE102013008325A1 (en) * 2013-05-08 2014-11-13 Westfalia-Automotive Gmbh Carrier arrangement for a trailer hitch or a load carrier with hook contours
US10081081B2 (en) * 2015-06-16 2018-09-25 Flex-N-Gate Advanced Product Development Llc Method of manufacturing a welded tubular section using in-line notching and trimming initiated after roll-forming and welding
FR3040942B1 (en) * 2015-09-15 2017-09-01 Autoliv Dev GAS GENERATOR
JP6881941B2 (en) * 2016-10-21 2021-06-02 キヤノン株式会社 Image forming device
DE102019217509B4 (en) 2019-11-13 2024-07-25 Simplon Fahrrad Gmbh Method for producing a metal sheet profile that is at least partially closed
DE102020207167B3 (en) 2020-06-08 2021-09-23 Thyssenkrupp Steel Europe Ag Method for manufacturing a component and using the same

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3273601A (en) * 1966-09-20 Stamped tubular product and method of making the same
GB284469A (en) * 1927-02-03 1928-02-02 Victor Frederic Naud Improved process of and apparatus for the manufacture of tubes of rectangular cross-section
GB369982A (en) * 1930-10-31 1932-03-31 Bundy Tubing Co Improvements in or relating to metal tubing and the manufacture of the same
GB537235A (en) * 1939-12-11 1941-06-13 Gen Aircraft Ltd Improvements in tubular rivets
GB542450A (en) * 1940-07-25 1942-01-09 Linread Ltd Improvements in and in the manufacture of tubular metal lengths
GB969948A (en) * 1959-12-07 1964-09-16 Nat Res Dev Flexible elongated strip material and tubes made from such material
GB960464A (en) * 1961-07-26 1964-06-10 Weimar Werk Veb Irrigation and draining pipes of synthetic plastic material
US3691337A (en) * 1971-05-24 1972-09-12 Olin Corp Forming mill guides
GB1403823A (en) * 1973-10-10 1975-08-28 Carroll W M Process of joining sheet metal edges and articles
US4383354A (en) * 1981-04-23 1983-05-17 Saurenman Phillip E Method of forming an interlocking metal joint
JPS58103917A (en) * 1981-12-16 1983-06-21 Nakajima:Kk Manufacture of large diameter square steel pipe
FR2533472B1 (en) * 1982-09-24 1990-07-06 Dallet Jean PROCESS FOR THE SEALED ASSEMBLY, BY METAL EXPANSION, OF TWO METAL PARTS AND ASSEMBLED PARTS ACCORDING TO SAID PROCESS

Also Published As

Publication number Publication date
DE69102000T2 (en) 1994-09-01
WO1993005903A1 (en) 1993-04-01
EP0447251A3 (en) 1991-12-04
EP0447251B1 (en) 1994-05-18
EP0447251A2 (en) 1991-09-18
GB2244015A (en) 1991-11-20
ES2052332T3 (en) 1994-07-01
DE69102000D1 (en) 1994-06-23
GB9005703D0 (en) 1990-05-09
GB2244015B (en) 1993-10-27

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties