Fire barrier blanket

Details Fire barrier blanket Fire barrier blanket

1989-11-29

1991-09-24

Thomas, Alexander S.

Stock material or miscellaneous articles

Perimeter or corner structure of sheet

428100, 4283073, 4283191, 428920, 428921, 428194, B32B 306, B32B 308

Patent

active

050512900

ABSTRACT:
A fire barrier blanket for a splice portion of an electrical cable or conduit is provided. The blanket includes an elongate center portion having an elongate axis and axially spaced end portions connected to the cable and axially spaced clamp units such as a strap or a clamp urging the end portions in sealing engagement with the cable. The center portion and end portions each has an inner fiberglass layer and a middle silicone rubber foam layer and an outer fiberglass layer. The fiberglass layers each is silicone coated and is cast onto the middle foam layer on each side thereof. Opposite edges of the center portion have hook and loop type fastener strips which are sold under the trademark VELCRO or HOOK AND LOOP. In one embodiment for a relatively large diameter splice portion, each end portion has a pair of flap portions having diagonal edges. Adjacent diagonal edges have coacting hook and loop type fastener strips.

REFERENCES:
patent: 4822659 (1989-04-01), Anderson et al.

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