Method of and apparatus for manufacturing of shaped workpieces f

Details Method of and apparatus for manufacturing of shaped workpieces f Method of and apparatus for manufacturing of shaped workpieces f

1994-03-03

1995-12-19

Chambers, A. Michael

Fluid handling

Processes

Cleaning, repairing, or assembling

251367, 137561A, F16L 5518

Patent

active

054761140

ABSTRACT:
A method of manufacturing by welding a shaped workpiece, which is formed of a plastic material and which consists of a tubular part having a radial bore and a union weldable to the tubular part in a region of the radial bore, includes bringing an end face surface of the union into abutting engagement with an outer circumference of the tubular part in the region of the radial bore, and heating a circular region around the radial bore of the tubular part and the end face surface of the union by heat radiation, with subsequent pressing of the two parts against each other. The apparatus for implementing the method includes first and second clamping devices for supporting the union and the tubular part, respectively, with the second clamping device having a support member having a shape corresponding to an inner profile of the tubular part, and a pin supported in the support member for displacement in a direction transverse to a longitudinal axis of the support member, and a heating device for heating the two parts.

REFERENCES:
patent: 4210308 (1980-07-01), Sims
patent: 4353243 (1982-10-01), Martin
patent: 5082237 (1992-01-01), Ayvaz
patent: 5125431 (1992-06-01), Vogel et al.
patent: 5273066 (1993-12-01), Graham et al.

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