ATE80815T1 - MOLDING FOR THE PRODUCTION OF TUBULAR PARTS WITH LONGITUDINAL SEAM AND THE PIPE OR PIPE MANUFACTURED FROM THESE. PIPE SECTION. - Google Patents

MOLDING FOR THE PRODUCTION OF TUBULAR PARTS WITH LONGITUDINAL SEAM AND THE PIPE OR PIPE MANUFACTURED FROM THESE. PIPE SECTION.

Info

Publication number
ATE80815T1
ATE80815T1 AT90890108T AT90890108T ATE80815T1 AT E80815 T1 ATE80815 T1 AT E80815T1 AT 90890108 T AT90890108 T AT 90890108T AT 90890108 T AT90890108 T AT 90890108T AT E80815 T1 ATE80815 T1 AT E80815T1
Authority
AT
Austria
Prior art keywords
pipe
preformed part
production
tubular parts
molding
Prior art date
Application number
AT90890108T
Other languages
German (de)
Inventor
Josef Dipl Ing Keuschnigg
Original Assignee
Voest Alpine Krems
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 Voest Alpine Krems filed Critical Voest Alpine Krems
Application granted granted Critical
Publication of ATE80815T1 publication Critical patent/ATE80815T1/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
    • B21C37/10—Making tubes with riveted seams or with non-welded and non-soldered seams
    • B21C37/104—Making tubes with riveted seams or with non-welded and non-soldered seams the tubes having a special shape, e.g. polygonal tubes
    • 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
    • B21C37/10—Making tubes with riveted seams or with non-welded and non-soldered seams
    • B21C37/101—Making of the seams

Abstract

A preformed part (20) used for the production of tubular parts with a longitudinal seam is bent parallel to the direction of the axis of the tube to be produced from the preformed part (20), the two seam-forming longitudinal edges (2, 3) of the preformed part (20) being at a distance from one another which permits the accommodation of a further preformed part (20). The preformed part (20) can be closed to form a tube piece. In order to take account of the different bending moments and the forces arising from the seaming operation, the preformed part (1) is prebent or edged to a lesser extent between the longitudinal edges (2, 3) than in the region of its longitudinal edges (2, 3). <IMAGE>
AT90890108T 1989-04-24 1990-04-09 MOLDING FOR THE PRODUCTION OF TUBULAR PARTS WITH LONGITUDINAL SEAM AND THE PIPE OR PIPE MANUFACTURED FROM THESE. PIPE SECTION. ATE80815T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0097789A AT392026B (en) 1989-04-24 1989-04-24 MOLDED PART FOR THE PRODUCTION OF PIPE-SHAPED PARTS WITH LENGTH SEED AND TUBE MADE THEREOF, OR PIPE

Publications (1)

Publication Number Publication Date
ATE80815T1 true ATE80815T1 (en) 1992-10-15

Family

ID=3504124

Family Applications (2)

Application Number Title Priority Date Filing Date
AT0097789A AT392026B (en) 1989-04-24 1989-04-24 MOLDED PART FOR THE PRODUCTION OF PIPE-SHAPED PARTS WITH LENGTH SEED AND TUBE MADE THEREOF, OR PIPE
AT90890108T ATE80815T1 (en) 1989-04-24 1990-04-09 MOLDING FOR THE PRODUCTION OF TUBULAR PARTS WITH LONGITUDINAL SEAM AND THE PIPE OR PIPE MANUFACTURED FROM THESE. PIPE SECTION.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT0097789A AT392026B (en) 1989-04-24 1989-04-24 MOLDED PART FOR THE PRODUCTION OF PIPE-SHAPED PARTS WITH LENGTH SEED AND TUBE MADE THEREOF, OR PIPE

Country Status (3)

Country Link
EP (1) EP0395626B1 (en)
AT (2) AT392026B (en)
DE (1) DE59000313D1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT52U3 (en) * 1994-07-14 1995-03-27 Bertrams Kg Bertrams Kg METHOD FOR PRODUCING A METAL METAL METHOD FOR PRODUCING AN ADJUSTABLE PIPE KLEE, THE ADJUSTABLE PIPE KNEE
CN100469482C (en) 2000-02-04 2009-03-18 株式会社理光 Tube, tubr making method and device, semifinished tube, supporting member, supporter structure and image forming device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2039886A (en) * 1936-05-05
AT11217B (en) * 1901-11-16 1903-03-26 Benjamin Adriance Solderless seam for sheet metal vessels.
AT269611B (en) * 1965-05-13 1969-03-25 Emil Siegwart Process for the production of sheet metal ducts with a rectangular cross section, in particular for ventilation and air conditioning systems
AT321608B (en) * 1972-01-25 1975-04-10 Eumig Centrifugal coupling
CH586579A5 (en) * 1975-01-20 1977-04-15 Sulzer Ag
GB1536703A (en) * 1975-12-30 1978-12-20 Speidel J Apparatus for forming sheet metal structures
DE2905841C2 (en) * 1979-02-15 1984-04-19 Josef Käuferle KG Stahlbau, 8890 Aichach Method and plant for the production of a composite panel
FR2561056B1 (en) * 1984-03-06 1986-10-17 Telemecanique Electrique METHOD FOR MANUFACTURING A METAL ENCLOSURE FOR ELECTRICAL AND ELECTRONIC APPARATUSES AND ENCLOSURES OBTAINED BY MEANS OF THE PROCESS
ATE60649T1 (en) * 1987-02-17 1991-02-15 Enami Seiki Kk CONNECTION FOR METAL PLATES.

Also Published As

Publication number Publication date
EP0395626B1 (en) 1992-09-23
AT392026B (en) 1991-01-10
ATA97789A (en) 1990-07-15
DE59000313D1 (en) 1992-10-29
EP0395626A1 (en) 1990-10-31

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee