Method of joining non-fusible workpieces using frictional energy

Details Method of joining non-fusible workpieces using frictional energy Method of joining non-fusible workpieces using frictional energy

1976-10-07

1977-11-15

Whitby, Edward G.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

228112, 264 68, 264248, B32B 3120

Patent

active

040584216

ABSTRACT:
The invention refers to a method of joining two non-fusible workpieces using frictional energy. A first workpiece having a higher melting temperature is provided with a recess extending from the mating surface of the workpiece into the interior thereof. The recess is shaped for trapping material. A static force applied in a direction normal to the mating surfaces of the workpieces to be joined urges the first workpiece into intimate contact with a second workpiece having a lower melting temperature. The workpieces are subjected to relative motion in the plane of the mating surface for causing frictional energy and a softening of the second workpiece. The softened material flows into the recess and solidifies upon cessation of the relative motion. The workpieces are thus joined by virtue of the solidified material trapped in the recess.

REFERENCES:
patent: 3144710 (1964-08-01), Hollander et al.
patent: 3440117 (1969-05-01), Soloff et al.
patent: 3444018 (1969-05-01), Hewitt
patent: 3501110 (1970-03-01), Hopgood et al.
patent: 3689334 (1972-09-01), Dermody
patent: 3732613 (1973-05-01), Steigerwald
patent: 3879116 (1975-08-01), Mims

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