ATE409532T1 - METHOD FOR CLOSING THE ENDS OF ESSENTIALLY RECTANGULAR PIPES - Google Patents

METHOD FOR CLOSING THE ENDS OF ESSENTIALLY RECTANGULAR PIPES

Info

Publication number
ATE409532T1
ATE409532T1 AT05109749T AT05109749T ATE409532T1 AT E409532 T1 ATE409532 T1 AT E409532T1 AT 05109749 T AT05109749 T AT 05109749T AT 05109749 T AT05109749 T AT 05109749T AT E409532 T1 ATE409532 T1 AT E409532T1
Authority
AT
Austria
Prior art keywords
closing
rectangular pipes
essentially rectangular
edge regions
pipe end
Prior art date
Application number
AT05109749T
Other languages
German (de)
Inventor
Hans Schalch
Original Assignee
Neotech Holding Ag
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 Neotech Holding Ag filed Critical Neotech Holding Ag
Application granted granted Critical
Publication of ATE409532T1 publication Critical patent/ATE409532T1/en

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
    • B21D41/00—Application of procedures in order to alter the diameter of tube ends
    • B21D41/04—Reducing; Closing
    • B21D41/045—Closing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Heat Treatment Of Articles (AREA)
  • Piles And Underground Anchors (AREA)
  • Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)

Abstract

Method for closing the front ends of rectangular pipes (2) comprises placing both edge regions (5, 6) of the pipe end (1) on the longitudinal side and the edge regions of the pipe end on the short side using a roll so that a cover is formed in the gap produced and is welded to the edge regions on both sides.
AT05109749T 2005-10-19 2005-10-19 METHOD FOR CLOSING THE ENDS OF ESSENTIALLY RECTANGULAR PIPES ATE409532T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05109749A EP1777019B1 (en) 2005-10-19 2005-10-19 Method of closing the ends of pipes having a substantially rectangular cross section

Publications (1)

Publication Number Publication Date
ATE409532T1 true ATE409532T1 (en) 2008-10-15

Family

ID=35517573

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05109749T ATE409532T1 (en) 2005-10-19 2005-10-19 METHOD FOR CLOSING THE ENDS OF ESSENTIALLY RECTANGULAR PIPES

Country Status (3)

Country Link
EP (1) EP1777019B1 (en)
AT (1) ATE409532T1 (en)
DE (1) DE502005005557D1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2189229B1 (en) 2008-11-24 2012-08-01 Neotech-Holding AG Method of closing the end of pipes with a rectangular cross-section
CN105057479B (en) * 2015-08-25 2017-09-19 嘉兴永发电子有限公司 The mouth-sealing method of metal tubing

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2691818A (en) * 1952-03-31 1954-10-19 Jr Dean M Rockwell Method and apparatus for use in making valve protector caps for compressed gas cylinders
JPS59120328A (en) * 1982-12-27 1984-07-11 Honda Motor Co Ltd Forming method of end part of square pipe
CH669918A5 (en) 1986-04-15 1989-04-28 Neotech Holding Ag Radiator element made from flat tube - has open ends closed by rollers to provide rounded end wall
CH685984A5 (en) * 1993-10-06 1995-11-30 Runtal Holding Co Sa Device for closing the tube ends by flat tubes.

Also Published As

Publication number Publication date
EP1777019B1 (en) 2008-10-01
EP1777019A1 (en) 2007-04-25
DE502005005557D1 (en) 2008-11-13

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Legal Events

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