Method of producing a molded connection piece and method for joi

Details Method of producing a molded connection piece and method for joi Method of producing a molded connection piece and method for joi

1990-05-11

1992-04-14

Wityshyn, Michael

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156257, 1562742, 219535, 219544, 264 27, 26427211, 285 21, 285156, B29C 6534

Patent

active

051044684

ABSTRACT:
There is provided a molded connection piece and a method of making the same, in particular a boring saddle made of thermoplastic material and having a heating wire capable of conducting an electric current for producing a welded joint between the molded connection piece and an object to be joined with the molded connection piece. The heating wire is embedded in both surfaces of a disk-shaped core, in each case following the course of a spiral-shaped groove, and the core having the heating wire is joined with the molded connection piece. The disk-shaped core is formed of a material which, on melting, combines itself with the material of the molded connection piece.

REFERENCES:
patent: 4455482 (1984-06-01), Grandclement
patent: 4684428 (1987-08-01), Ewen et al.
patent: 4770442 (1988-09-01), Sichler
patent: 4851647 (1989-07-01), Kuhling

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