Title:
SELF-ATTACHING FASTENERS, STRIPS OF FASTENERS, METHODS OF FORMING AND FEEDING THE SAME
Document Type and Number:
WIPO Patent Application WO2003016727
Kind Code:
A3
Abstract:
Methods of forming and feeding self-attaching fasteners are disclosed wherein the strip includes a plurality of spaced abutment surfaces, preferably notches, which may be used both during the manufacturing process and feeding of a strip of fasteners to an installation head. Where the fasteners are interconnected in a strip, by frangible wires, the wires are located in the bottom wall of the panel receiving grooves in the flange portions on opposed sides of the projecting pilot portion. A self-attaching fastener having deformable inclined lip portions which extend upwardly and toward the pilot portion from the flange portions which are deformed during installation to provide further securement for the panel when deformed in the grooves.
Inventors:
LADOUCEUR HAROLD A (US)
VRANA JOHN J (US)
VRANA JOHN J (US)
Application Number:
PCT/US2002/024174
Publication Date:
August 14, 2003
Filing Date:
July 31, 2002
Export Citation:
Assignee:
FABRISTEEL PROD INC (US)
LADOUCEUR HAROLD A (US)
VRANA JOHN J (US)
LADOUCEUR HAROLD A (US)
VRANA JOHN J (US)
International Classes:
B21F45/18; B23P19/06; F16B27/00; F16B37/00; F16B37/04; F16B37/06; (IPC1-7): F16B37/06; F16B27/00
Foreign References:
| US3711931A | 1973-01-23 | |||
| US4124050A | 1978-11-07 | |||
| US4653970A | 1987-03-31 | |||
| EP0893204A1 | 1999-01-27 | |||
| US5913421A | 1999-06-22 | |||
| US5549430A | 1996-08-27 | |||
| US4610072A | 1986-09-09 | |||
| US6122816A | 2000-09-26 | |||
| US4971499A | 1990-11-20 |
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