Heat welded joints between webs of reinforced plastic foil

Details Heat welded joints between webs of reinforced plastic foil Heat welded joints between webs of reinforced plastic foil

1974-01-03

1977-03-01

Dier, Philip

Stock material or miscellaneous articles

Sheets or webs edge spliced or joined

Sheets or webs coplanar

428 99, 428104, 428121, 156 71, 156 92, 52222, B32B 304, B32B 708, E04F 1300

Patent

active

040103005

ABSTRACT:
The invention refers to heat weld joints of the type used for adjoining webs of reinforced plastic foil intended for use as stretched ceiling covers. The invention consists in the provision of means at intervals along the heat weld joints for reinforcing same to withstand the influence of heat. The invention also covers a process for the preparation of such reinforced heat weld joints.

REFERENCES:
patent: 1560712 (1925-11-01), Naylor
patent: 2031098 (1936-02-01), Cerf et al.
patent: 2115368 (1938-04-01), Lustberg
patent: 2624886 (1953-01-01), Herman
patent: 2683679 (1954-07-01), Hurd et al.
patent: 2974566 (1961-03-01), Hurley
patent: 3199481 (1965-08-01), Handwerker
patent: 3420731 (1969-01-01), Kuhn
patent: 3424161 (1969-01-01), Scheier
patent: 3441467 (1969-04-01), Odell
patent: 3459149 (1969-08-01), Hallmark
patent: 3615966 (1971-10-01), Ljungbo

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