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Patent Searching and Data


Title:
トルク制限された留め具の製造方法
Document Type and Number:
Japanese Patent JP5873614
Kind Code:
B2
Abstract:
A method for the production of torque-limited fastening devices, which each have a first head element with a contact for a fastening tool, and a second head element that is joined to the first head element via a welded joint that shears off at a predefined limit torque, said method providing a plurality of first head elements and second head elements having the same geometry, and in each case, a first head element and a second head element are welded together in a welding process that creates the welded joint. At least two welding processes are carried out employing at least one different welding parameter, so that different limit torques can be obtained for parts having the same geometry. A fastening device on a concrete anchor.

Inventors:
Andreas Ecstein
Matthias Gold
Marc Shafer
York apple
Al Entet Mar Dick Chair
Application Number:
JP2013532092A
Publication Date:
March 01, 2016
Filing Date:
August 23, 2011
Export Citation:
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Assignee:
Maschinenbau Hilti OHG
International Classes:
F16B31/02; E04B1/41; F16B13/06; F16B35/04
Domestic Patent References:
JP46021134B1
JP61141808U
JP5023857A
JP9164487A
JP56111541A
JP59009309A
JP2006214577A
Attorney, Agent or Firm:
Johei Nakamura