Method of forming pile products by tack-spinning and heat treatm

Details Method of forming pile products by tack-spinning and heat treatm Method of forming pile products by tack-spinning and heat treatm

1977-10-05

1980-02-19

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

26 2R, 28159, 264164, 264230, 264243, 264284, 264345, D04H 1100, B32B 500

Patent

active

041893360

ABSTRACT:
A method for increasing the depth of a tack-spun thermoplastic pile on a backing layer comprises space heating the pile side of the product for a time and temperature less than that at which the pile collapses, said temperature being between the glass rubber transition temperature but above ambient and the temperature at which the pile collapses, using a heat source not in contact with the pile, and subsequently cooling the pile to ambient temperature.

REFERENCES:
patent: 3567548 (1971-03-01), Miller
patent: 3644954 (1972-02-01), LeGrand
patent: 3983278 (1976-09-01), Wardle
patent: 4070875 (1978-01-01), Kutz

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