Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1986-11-21
1988-08-09
Echols, P. W.
Metal working
Method of mechanical manufacture
Assembling or joining
294322, 295251, 295252, 156 92, 264 23, 264154, 264249, B32B 708
Patent
active
047618710
ABSTRACT:
Methods and fasteners are provided for joining thermoplastic articles and for connecting a single thermoplastic article to a non-thermoplastic substrate. A first thermoplastic article and a second thermoplastic article can be placed against each other, and then localized adjacent portions of the articles are heated preferably with an ultrasonic heating device. A sharpened end of a thermoplastic fastener is driven through the heated areas of the first thermoplastic article and the second thermoplastic article. Upon cooling of the heated areas of the first thermoplastic article and the second thermoplastic article, those articles are looked to the thermoplastic fastener by fusion of the contacting surfaces of the articles and fastener.
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Beaulieu William B.
O'Connor James E.
Echols P. W.
Phillips Petroleum Company
Rawlins Andrew E.
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