Method for producing backing material for carpet underlay

Details Method for producing backing material for carpet underlay Method for producing backing material for carpet underlay

1988-11-17

1990-12-11

Reynolds, Wm. Carter

Textiles: knitting

United needle machines

Straight

66114, 66202, 112438, D04B 2310, D04B 1520

Patent

active

049761188

ABSTRACT:
A composite sheet material which is particularly useful as a backing material for carpet underlay is a stitched crepe paper sheet 5 with rows of apparent projections 13 formed therein between parallel rows of stitches 10 by deforming the crepe paper sheet without puncturing the paper. The stitches 10 substantially restrict the extensibility of the crepe paper sheet 5 and the apparent projections 13 are formed at a position in the crepe paper sheet 5 directly in line with the ends 11 of the stitches 10. According to the preferred method, each apparent projection 13 is in reality a depression between two projections formed in the opposite surface of the crepe paper sheet without puncturing the paper. In an alternative embodiment there is a pair of apparent projections 13 formed in the crepe paper sheet 5 between adjacent rows of stitches 10.

REFERENCES:
patent: 2936603 (1960-05-01), Lewine
patent: 3226958 (1966-01-01), Niemer et al.
patent: 3230744 (1966-01-01), Carbonaro
patent: 3782137 (1974-01-01), Hughes
patent: 4727731 (1988-03-01), Tough

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