Butt-welding process using an automatically controlled electro-w

Details Butt-welding process using an automatically controlled electro-w Butt-welding process using an automatically controlled electro-w

1998-04-20

2000-03-14

Crispino, Richard

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1563042, 1563046, 156358, 156359, 219494, B29C 6502, H05B 102, B32B 3100

Patent

active

060367954

ABSTRACT:
It concerns butt-welding of parts made of plastics material(s). For this purpose, the invention proposes correcting, according to an ambient temperature which is measured in the environment of the parts at the moment of welding, at least one of the following parameters: pressure(s) for contact and/or welding of the parts, electrical energy to be supplied to means for displacement of the said parts, stroke(s) of relative displacement of the parts, time for obtaining beads at the end of the parts during the phase of heating the latter.

REFERENCES:
patent: 4640732 (1987-02-01), Stafford
patent: 4837424 (1989-06-01), Nussbaum et al.
patent: 4957570 (1990-09-01), Jenkins et al.
patent: 5013376 (1991-05-01), McElroy, II et al.
patent: 5072097 (1991-12-01), Miller
patent: 5130518 (1992-07-01), Merle
patent: 5620625 (1997-04-01), Sauron et al.

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