Process and device for connecting together by heated-tool butt-w

Details Process and device for connecting together by heated-tool butt-w Process and device for connecting together by heated-tool butt-w

1986-07-08

1988-02-23

Dawson, Robert A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156165, 1563042, 156391, 156499, 206508, B32B 3104

Patent

active

047268662

ABSTRACT:
Process and device for connecting together an extruded plastic cylindrical vessel body (2) with a plastic lid (1) by means of butt-welding of edges (4,5) heated with a heated plate (12) the said lid being deformed elastically to a larger diameter prior to butt-welding, the device for expanding the lid (1) having a conical expansion element (9), a supporting ring (10) and locking elements (11) holding the expanded lid at a diameter corresponding to the edge diameter of the body (2).

REFERENCES:
patent: 3240644 (1966-03-01), Wolff
patent: 3272671 (1966-09-01), Gaylord et al.
patent: 4188249 (1980-02-01), Fujio
patent: 4280268 (1981-07-01), Gordon
patent: 4519859 (1985-05-01), Roth et al.

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