Process and apparatus for the welding of synthetic resin structu

Details Process and apparatus for the welding of synthetic resin structu Process and apparatus for the welding of synthetic resin structu

1978-03-07

1980-12-16

Wityshyn, Michael G.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1563045, 156499, 156507, B29C 2706

Patent

active

042395747

ABSTRACT:
A process for welding synthetic resin structures together at their end faces, wherein the structures are clamped in position, the end faces are heated by being brought into contact with a heating plate until initial melting occurs, the softened end faces are pressed together and the weld bead is machined off, the structures are guided on at least two opposing outside surfaces up to the welding edge by guide means, with the melting zone being left vacant, and the softened end faces of the profile elements are pressed together approximately until the opposite outside guide means contact each other whereby the weld bead formation is restricted and the weld bead can be scraped off while the elements are still in the warm condition and a device for carrying out this process.

REFERENCES:
patent: 1693636 (1928-12-01), Coe
patent: 2379500 (1945-07-01), Steffens
patent: 2448173 (1948-08-01), Cowan
patent: 3822160 (1974-07-01), LaBarge et al.
patent: 3842699 (1974-10-01), Van Zyl
patent: 3897296 (1975-07-01), Waldrum

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