Polyester fiberfill and process

Details Polyester fiberfill and process Polyester fiberfill and process

1985-05-15

1986-10-21

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

28159, 28162, 428280, 428284, 428287, 428288, 428369, 428375, 428391, 428447, 264 15, 264117, 264121, 264503, 264517, B32B 516

Patent

active

046185313

ABSTRACT:
Polyester fiberfill having spiral-crimp that is randomly-arranged and entangled in the form of fiberballs with a minimum of hairs extending from their surface, and having a refluffable characteristic similar to that of down on account of the low cohesion between the balls. A process for making such fiberballs by repeatedly air-tumbling small tufts of such fiberfill against the wall of a vessel.

REFERENCES:
patent: 3050821 (1960-01-01), Kilian
patent: 3118012 (1962-03-01), Kilian
patent: 3671379 (1971-03-01), Evans et al.
patent: 3892909 (1975-07-01), Miller
patent: 4065599 (1977-12-01), Nishiumi et al.
patent: 4144294 (1979-03-01), Werthaiser
patent: 4364996 (1982-12-01), Sugiyama
patent: 4477515 (1984-10-01), Masuda et al.
patent: 4481256 (1984-11-01), Masuda et al.

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