Stock material or miscellaneous articles – Structurally defined web or sheet – Edge feature
Patent
1982-10-22
1984-11-06
Herbert, Thomas J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Edge feature
156157, 427180, 427211, 427258, 428194, 428291, 428341, 428347, 428426, 4284744, 428500, 428523, B32B 2302, B32B 1102
Patent
active
044812450
ABSTRACT:
Bituminous sealing elements comprise a visible part and a part which serves for assembly thereof so as to form a continuous membrane. The assembly part is a "jointing zone" formed on the stripped edge of an element on which the edge of the adjacent element is applied by overlapping. To protect this zone, confer thereon the required strength and allow sticking by means of hot bitumen, adhesive or by means of a blowlamp, a web of low-weight porous, volatile non woven fibers, is used buried in the binder of the welding strip.
REFERENCES:
patent: 4091135 (1978-05-01), Tajima et al.
patent: 4092450 (1978-05-01), Haren
patent: 4374687 (1983-02-01), Yamamoto
Herbert Thomas J.
Siplast S.A.
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