Composite piece made from flexible material and process of prepa

Details Composite piece made from flexible material and process of prepa Composite piece made from flexible material and process of prepa

1979-10-01

1982-04-20

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

156240, 156277, 156291, 428202, 428209, 428211, 428247, 428253, 428904, 4283204, B32B 714

Patent

active

043260039

ABSTRACT:
A composite piece 9 comprises at least two layers 3,5 of flexible materials which may be identical or different. Adjacent layers 3,5 are bonded by multiplicities of interposed thermoplastic beads 7 which lie equally spaced along parallel lines and adhere to both adjacent layers. The piece 9 may be made by passing layers 3,5 and an interposed thermoplastic (preferably high-density polyethylene) lattice having the form of beads linked by thin threads through a heated calendar 1,2, whereby the threads are melted away and the beads 7 heat-welded to the layers 3,5. One or both external faces may be dyed or printed simultaneously with the head-welding step by including transfer paper(s) 11,12 in the "sandwich" passed through the calendar.
The composite pieces 9 may be applicable to e.g., furnishings and clothing, and especially to reversible garments.

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patent: 3672949 (1972-06-01), Brown
patent: 3672950 (1972-06-01), Murphy et al.
patent: 4086112 (1978-04-01), Porter
patent: 4101359 (1978-07-01), Failliot
patent: 4161563 (1979-07-01), Metzger

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