Container having heat sealed juncture region

Details Container having heat sealed juncture region Container having heat sealed juncture region

1983-12-21

1985-08-06

Van Balen, William J.

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

428130, 428157, 428159, 428170, 4283142, 4283166, B32B 302, B32B 326, B32B 514

Patent

active

045335770

ABSTRACT:
A container having at least one heat-sealed juncture is formed from foam polymer sheet material. The foam polymer sheet material includes an area of crushed and compressed cellular structure directly adjacent the heat-sealed portion. The width of the crushed and compressed area is at least as great as the thickness of uncompressed foam in the layer.

REFERENCES:
patent: 3256527 (1966-06-01), Studen
patent: 3447199 (1969-06-01), Trimble
patent: 4201818 (1980-05-01), Rohn

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