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Publication numberDE2537382 A1
Publication typeApplication
Application numberDE19752537382
Publication date3 Mar 1977
Filing date22 Aug 1975
Priority date22 Aug 1975
Also published asDE2537382C2
Publication number19752537382, 752537382, DE 2537382 A1, DE 2537382A1, DE-A1-2537382, DE19752537382, DE2537382 A1, DE2537382A1, DE752537382
InventorsRolf Dr Ing Noack, Joachim Dipl Ing Schuster, Udo Lohse
ApplicantBabcock Ag
Export CitationBiBTeX, EndNote, RefMan
External Links: DPMA, Espacenet
Vorrichtung zum biegen von rohren A device for bending pipes translated from German
DE 2537382 A1
Abstract  available in
Description  available in
Claims  available in
Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
DE1627584A1 *16 May 196714 May 1970Pines Engineering Co IncVerbesserungen an Biegemaschinen fuer Rohre,Stangen und aehnlichem Material
DE2037549A1 *29 Jul 19703 Feb 1972 Title not available
GB683965A * Title not available
GB759036A * Title not available
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
DE3635169C3 *16 Oct 198613 Jan 2000Usui Kokusai Sangyo KkBiegevorrichtung zum automatischen Biegen eines langen dünnwandigen metallischen Rohrs
DE4103134C2 *4 Feb 19917 Dec 2000Schwarze RigobertEinrichtung zum Herstellen von gebogenen Abschnitten an einem Rohr, insbesondere zur Herstellung einer Rohrschlange
DE10023637A1 *13 May 20006 Dec 2001Tracto TechnikDismantlable bending tool has tool elements locked and unlocked by relative rotation essentially in bending plane; locking arrangement effects locking function by friction locking
DE10023637B4 *13 May 20004 Oct 2007Tracto-Technik Paul Schmidt Spezialmaschinen KgTeilbares Biegewerkzeug
CN103920772A *14 Apr 201416 Jul 2014陈涛Bending technology for furnace tube of linear heating furnace
CN103920773A *14 Apr 201416 Jul 2014张曙光Bending technology for furnace tube of linear heating furnace
CN103920773B *14 Apr 201424 Feb 2016楼碧云一种直线型加热炉炉管的弯曲工艺
CN103920777A *14 Apr 201416 Jul 2014宣利娜Bending technology for furnace tube of linear heating furnace
EP0168331A2 *9 May 198515 Jan 1986Eaton Leonard Picot S.A.Machine for bending of tubes, bars or profiles
EP0168331A3 *9 May 19858 Oct 1986Picot S.A.Machine for bending of tubes, bars or profiles
US4232813 *10 Mar 197811 Nov 1980Eaton-Leonard CorporationMethod and apparatus for making bent pipe
Classifications
International ClassificationB21D7/00, B21D11/07, B21D7/025, B21D9/05, B21D7/024
Cooperative ClassificationB21F1/006, B21D11/07
European ClassificationB21F1/00F, B21D11/07
Legal Events
DateCodeEventDescription
23 Sep 19828110Request for examination paragraph 44
5 Sep 19858120Willingness to grant licenses paragraph 23
12 Jan 1989D2Grant after examination
15 Jun 19898363Opposition against the patent
1 Jul 19938365Fully valid after opposition proceedings
5 Aug 19938339Ceased/non-payment of the annual fee