Method for fusion joining plastic pipe

Details Method for fusion joining plastic pipe Method for fusion joining plastic pipe

1988-09-14

1989-10-24

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264248, 264571, 425388, 156285, 1563042, B29C 6502, B29C 5708, B29C 5110

Patent

active

048760412

ABSTRACT:
Method for fusion joining first and second axially abutted thermo-plastic piping system component connection ends that are in axial and circumferential alignment. The joining apparatus includes 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 includes vacuummetric apparatus for vacuummetrically inducing outward translation of the melted material of the melt region. The method includes the steps of (a) heating 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 (b) 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

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