ATE107203T1 - METHOD AND DEVICE FOR THE MANUFACTURE OF RAIN DOWNPIPE. - Google Patents

METHOD AND DEVICE FOR THE MANUFACTURE OF RAIN DOWNPIPE.

Info

Publication number
ATE107203T1
ATE107203T1 AT88119856T AT88119856T ATE107203T1 AT E107203 T1 ATE107203 T1 AT E107203T1 AT 88119856 T AT88119856 T AT 88119856T AT 88119856 T AT88119856 T AT 88119856T AT E107203 T1 ATE107203 T1 AT E107203T1
Authority
AT
Austria
Prior art keywords
seamed
pipe profile
section
pipe
seamed connection
Prior art date
Application number
AT88119856T
Other languages
German (de)
Inventor
Peter Emmrich
Hans Marx
Original Assignee
Rheinzink Gmbh
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 Rheinzink Gmbh filed Critical Rheinzink Gmbh
Application granted granted Critical
Publication of ATE107203T1 publication Critical patent/ATE107203T1/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
    • B21C37/101—Making of the seams
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Vehicle Body Suspensions (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)

Abstract

In a method for making lock-seamed push-in downpipes, the longitudinal edges of pipe profiles prerounded by forming sheet-metal strip blanks of a certain width and length under bending conditions are set on edge, then brought together to form a seamed connection, whereupon the latter is bent over flat onto the outer circumference of the pipe profile. In order to achieve high surface quality of the downpipes, the seamed connection is formed by forming the longitudinal edges of the pipe profile in several sections under bending conditions, using a rotary tool motion, the pipe profile is transported in the delivery direction by the length of the respectively formed section of the seamed connection and, in the production of the last section of the seamed connection, the pipe profile is widened in this section.
AT88119856T 1987-12-02 1988-11-29 METHOD AND DEVICE FOR THE MANUFACTURE OF RAIN DOWNPIPE. ATE107203T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873740750 DE3740750A1 (en) 1987-12-02 1987-12-02 METHOD AND DEVICE FOR PRODUCING RAINFALL PIPES

Publications (1)

Publication Number Publication Date
ATE107203T1 true ATE107203T1 (en) 1994-07-15

Family

ID=6341676

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88119856T ATE107203T1 (en) 1987-12-02 1988-11-29 METHOD AND DEVICE FOR THE MANUFACTURE OF RAIN DOWNPIPE.

Country Status (4)

Country Link
EP (1) EP0318905B1 (en)
AT (1) ATE107203T1 (en)
DE (2) DE3740750A1 (en)
DK (1) DK169907B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991016156A1 (en) * 1990-04-12 1991-10-31 Die-Craft Engineering Pty. Ltd Tapered conduit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1408232A (en) * 1917-05-12 1922-02-28 Frank H Stolp Method of forming sheet metal
US2644416A (en) * 1949-02-02 1953-07-07 Oldberg Mfg Company Apparatus for forming tubes
GB867915A (en) * 1956-06-02 1961-05-10 Metal Developments Ltd Improvements relating to columns
DE3022671A1 (en) * 1980-06-18 1982-01-14 Krückels, Gerhard, Dipl.-Ing., 7860 Schopfheim PROFILING MACHINE AND METHOD FOR PRODUCING A PROFILE

Also Published As

Publication number Publication date
DK671488A (en) 1989-06-03
DE3740750A1 (en) 1989-06-15
EP0318905A2 (en) 1989-06-07
DK671488D0 (en) 1988-12-01
EP0318905B1 (en) 1994-06-15
DK169907B1 (en) 1995-04-03
DE3850225D1 (en) 1994-07-21
EP0318905A3 (en) 1990-09-19

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Legal Events

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REN Ceased due to non-payment of the annual fee