Fire-protective sealing element

Details Fire-protective sealing element Fire-protective sealing element

1988-10-24

1989-06-13

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

428 57, 4283055, 4283173, 4283179, 428921, B32B 326, B32B 900

Patent

active

048392235

ABSTRACT:
The invention relates to a sealing element for sealing openings in special walls subject to fire-protection requirements, brick wall breaches or the like, wherein for cost-effective manufacturability and processibility and simultaneously fire-protection assurance the sealing element is made of a precompressed strip, preferably impregnated with a chloroparaffin and neoprene base, with delayed restoration, the strip being interspersed with a heat-expanding intumescent compound in an essentially uniform distribution.

REFERENCES:
patent: 4401716 (1983-08-01), Tschudin-Mahrer
patent: 4530877 (1985-07-01), Hadley
patent: 4564550 (1986-01-01), Tschudin-Mahrer
patent: 4616044 (1986-10-01), Fesman
patent: 4666768 (1987-05-01), Tschudin-Mahrer
patent: 4762746 (1988-08-01), Wesch et al.
patent: 4767655 (1988-08-01), Tschudin-Mahrer

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