Apparatus for fusion joining plastic pipe

Details Apparatus for fusion joining plastic pipe Apparatus for fusion joining plastic pipe

1989-07-21

1990-05-22

Reynolds, Bruce A.

Electric heating

Heating devices

With heater-unit housing, casing, or support means

219524, 156156, 156285, H05B 302, B29C 5110

Patent

active

049279998

ABSTRACT:
Apparatus for fusion joining first and second axially abutted thermo-plastic piping system component connection ends that are in axial and circumferential alignment including apparatus for enabling the heating of a melt region in the proximity of the interface of the first and second piping system component connection ends at least to the material softening point of the thermo-plastic material of the melt region, and further including vacuummetric apparatus for vacuummetrically inducing outward translation of the melted material of the melt region.

REFERENCES:
patent: 1865669 (1932-07-01), Bostwick
patent: 4224276 (1980-09-01), Gallizia
patent: 4449038 (1984-05-01), Reich et al.
patent: 4450038 (1984-05-01), Ishii et al.
patent: 4484975 (1984-11-01), McElroy
patent: 4565921 (1986-01-01), Piazzola
patent: 4876041 (1989-10-01), Hanselka

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