Mechanical and adhesive fastener unit

Details Mechanical and adhesive fastener unit Mechanical and adhesive fastener unit

2005-05-24

2005-05-24

Saether, Flemming (Department: 3677)

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Including settable material

C411S258000, C411S387100, C411S001000, C411S009000

Reexamination Certificate

active

06896462

ABSTRACT:
A multi-part, self-drilling, self-tapping fastener with on board, internal chambered adhesive for, permanently connecting a plurality of parts at an overlaid joint thereof having access from one side. The fastener, that drills its own hole through the joint and taps its own threads for mechanically connecting the parts and subsequently extrudes the adhesive under pressure for optimized joint adhesive infiltration and bonding area for maximizing joint strength. The mechanical fastener holds the parts together eliminating the requirement for holding with auxiliary fixtures allowing the parts to be finished and painted during adhesive cure.

REFERENCES:
patent: 2092341 (1937-09-01), De Vries
patent: 3434743 (1969-03-01), Boeker
patent: 3472301 (1969-10-01), Pearce, Jr.
patent: 3772957 (1973-11-01), Newton
patent: 3907442 (1975-09-01), Reid
patent: 4648753 (1987-03-01), Stephan
patent: 5088866 (1992-02-01), Ischebeck et al.
patent: 5249899 (1993-10-01), Wilson
patent: 5452977 (1995-09-01), Terrizzi
patent: 6457910 (2002-10-01), Ludwig et al.

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