Method of fusion welding resin articles difficult to melt

Details Method of fusion welding resin articles difficult to melt Method of fusion welding resin articles difficult to melt

1996-09-06

1998-07-14

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1562739, 156294, 1563042, 1563046, 1563086, 285 212, 219535, 219544, F16L 4702, F16L 4706

Patent

active

057798435

ABSTRACT:
In a method of fusion welding resin articles difficult to melt due to a fusion retarder present in the articles in the form of a fusion retarding element or structure, the articles having surface portions in contact with each other so as to be bonded one to another, a fusion accelerator is applied to the surface portions, with the accelerator being capable of destroying the fusion retarder when heated. After or simultaneously with this step, the resin articles are heated so that the fusion accelerator destroys the fusion retarder, so as to cause the surface portions to melt, before finally allowing the resin articles to cool down.

REFERENCES:
patent: 4508368 (1985-04-01), Blumenkranz
patent: 4606558 (1986-08-01), Davidson
patent: 4724028 (1988-02-01), Zabielski et al.

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