Self-sealing partition

Details Self-sealing partition Self-sealing partition

1997-12-08

2000-08-15

Watkins, III, William P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428143, 428122, 428 83, 428358, 4283044, 428192, 523094, 523098, 5230911, 29620301, 277605, 277617, 277627, 277626, 277630, 277650, F16J 1514, B32B 516, B65D 5306

Patent

active

061033413

ABSTRACT:
A partition for forming a barrier in a channel has a molded resin-based plate and a plurality of thermally expandable pellets attached to one side of the plate. The partition is secured in place in the channel by mounting brackets. As heat is applied, a blowing agent in the pellets is activated and the pellets expand to many times their original volume. The resultant foam seals the gap between the plate and the surrounding structure and further secures the plate in place. The partition is particularly useful in forming a sound/water/air barrier in an automotive cavity.

REFERENCES:
patent: 4751249 (1988-06-01), Wycech
patent: 4810548 (1989-03-01), Ligon et al.
patent: 4901395 (1990-02-01), Semrau
patent: 4946737 (1990-08-01), Lindeman et al.
patent: 5040803 (1991-08-01), Cieslik et al.
patent: 5072952 (1991-12-01), Irrgeher et al.
patent: 5382397 (1995-01-01), Turner, Jr.

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