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Patent Searching and Data


Title:
STUD WELDING GUN
Document Type and Number:
WIPO Patent Application WO/2019/120781
Kind Code:
A3
Abstract:
The invention relates to a fastening system (400) for welding a weld stud (420) in a welding direction (410) to a substrate (430), comprising a welding gun (440), which defines the welding direction, and the weld stud, wherein the welding gun has a holding device (444) for holding the weld stud during a welding process and an outer contour, the weld stud having a contact surface (425) which is provided for contacting the substrate before and/or during the welding process, and wherein, starting from the contact surface, a tangent (460) can be applied to the outer contour, which encloses an angle of less than 60° with the welding direction when the weld stud is held by the holding device and the contact surface contacts the substrate.

Inventors:
BERTSCH, Klaus (Mariagrünerstrasse 14, 6820 Frastanz, 6820, AT)
POPP, Uwe (Heldstrasse 60a, 9443 Widnau, 9443, CH)
Application Number:
EP2018/081300
Publication Date:
August 15, 2019
Filing Date:
November 15, 2018
Export Citation:
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Assignee:
HILTI AKTIENGESELLSCHAFT (Feldkircherstr. 100, 9494 Schaan, 9494, LI)
International Classes:
B23K9/20; B23K9/29; B23K9/32
Domestic Patent References:
WO2017076653A12017-05-11
Foreign References:
DE19917323A12000-10-26
DE102016217499A12017-08-24
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