Title:
STUD JOINING METHOD AND APPARATUS
Document Type and Number:
WIPO Patent Application WO/2014/019848
Kind Code:
A3
Abstract:
Method for joining fastening elements (12) such as studs on workpieces (14) such as metal sheets, said method having the steps of preparing a joining surface (18) of a fastening element (12) and/or a joining surface (22) of a workpiece (14) and of bringing the fastening element (12) and the workpiece (14) together in such a manner that the fastening element (12) is connected to the workpiece (14), wherein prior to the preparing step a cleaning step is carried out in order to clean the joining surface of the workpiece. Consequently, the cleaning step includes arranging a cleaning electrode (62) above the joining surface (22) of the workpiece and generating a cleaning arc (74) between the cleaning electrode (62) and the joining surface (22).
Inventors:
EISSARA BAH (DE)
SCHMITT KLAUS-GISBERT (DE)
SCHMITT KLAUS-GISBERT (DE)
Application Number:
PCT/EP2013/065050
Publication Date:
March 27, 2014
Filing Date:
July 17, 2013
Export Citation:
Assignee:
NEWFREY LLC (US)
EISSARA BAH (DE)
SCHMITT KLAUS-GISBERT (DE)
EISSARA BAH (DE)
SCHMITT KLAUS-GISBERT (DE)
International Classes:
B23K9/20; B08B7/00; B23K9/235
Domestic Patent References:
| WO2001051241A1 | 2001-07-19 |
Foreign References:
| US3278720A | 1966-10-11 | |||
| EP1183127B1 | 2006-01-18 | |||
| EP1378312A2 | 2004-01-07 | |||
| DE102007039308A1 | 2009-02-12 | |||
| EP1657017A2 | 2006-05-17 | |||
| US3835284A | 1974-09-10 |
Other References:
See also references of EP 2879831A2
Attorney, Agent or Firm:
WITTE, WELLER & PARTNER (Postfach 10 54 62, Stuttgart, DE)
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