Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Including settable material – Adhesive encapsulated
Patent
1992-04-13
1993-10-19
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Including settable material
Adhesive encapsulated
411258, 411456, 411930, 295251, F16B 3900, F16B 3902
Patent
active
052539652
ABSTRACT:
A fastener suitable for joining two or more plastic or metal panels together under automated manufacturing conditions. The fastener has a piercing end for forming its own passage through the panels so as to avoid the need for a pre-drilled hole. Disposed near the piercing end are one or more rigid barbs which extend obliquely from the shank toward the head of the fastener. The barbs create an interference with the adjacent panel to secure the panels. The fastener further incorporates an adhesive strip which serves to adhere the fastener to the panels in a manner that prevents both rotation and axial displacement of the fastener relative to the panels. The fastener is particularly adapted for permanently joining two or more panels where access to both sides of the joined panels is either impracticable or undesirable, such as when a body panel of an automobile is to be fastened to the automobile's frame.
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Progressive Tool & Industries Co.
VanOphem Remy J.
Wilson Neill R.
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