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Title:
METHOD AND DEVICE FOR PRODUCING GROOVED BOLTS
Document Type and Number:
WIPO Patent Application WO/2014/044271
Kind Code:
A1
Abstract:
The invention relates to a method for producing a bolt (10) with a head (12) which is provided with a circumferential groove (20) or channel, wherein the groove (20) or channel is produced by pressing a bulge (18) against the head (12) by means of a radially active closing tool (112).

Inventors:
FUNK JAKOB (DE)
HOFFMANN DIETER (DE)
Application Number:
PCT/DE2013/200146
Publication Date:
March 27, 2014
Filing Date:
September 02, 2013
Export Citation:
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Assignee:
RUIA GLOBAL FASTENERS AG (DE)
International Classes:
B21J9/06; B21J5/08; B21K1/46
Foreign References:
FR463212A1914-02-17
US3188849A1965-06-15
US3301033A1967-01-31
US4882925A1989-11-28
DE202009014886U12010-05-12
Other References:
None
Attorney, Agent or Firm:
Patent- und Rechtsanwälte Hansmann & Vogeser (DE)
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