Apparatus for welding together dual containment pipe sections

Details Apparatus for welding together dual containment pipe sections Apparatus for welding together dual containment pipe sections

1991-05-23

1993-02-09

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1563046, 156499, 156503, 285138, B29C 6520

Patent

active

051850494

ABSTRACT:
A new and improved method and apparatus is provided for welding together abutting end faces of adjacent dual containment pipe sections of the type described while an elongated flexible cable is present and extending between the adjacent pipe sections. The apparatus includes a unique heater element having opposed heating surfaces and openings formed along diametrically disposed confronting edges for accommodating an elongated cable element so that the pipe sections can be welded together while the cable element is in place.

REFERENCES:
patent: 240236 (1881-04-01), Delany
patent: 2972371 (1961-02-01), Hermann et al.
patent: 3013925 (1961-12-01), Larsen
patent: 3391045 (1968-07-01), Mojonnier et al.
patent: 3727289 (1973-04-01), Bemelmann et al.
patent: 4786088 (1988-11-01), Ziu
patent: 4797621 (1989-01-01), Anderson et al.
patent: 5018260 (1991-05-01), Ziu

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