Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1986-10-23
1989-10-31
Bell, Michael W.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
28100, 156181, 156440, D04H 300
Patent
active
048774707
ABSTRACT:
Non-woven, bias laid fabrics, where the various fabric layers are held together by external means, such as stitching, and wherein, preferably, at least two of the layers are formed at an angle of from 30.degree. to 150.degree. relative to the long axis of the fabric, are formed by directing at least two pluralities of yarns back and forth across the width of the forming fabric, to be wrapped around or mounted on a series of needles formed on a moving conveyor, one conveyor being placed on either side and moving in the direction of the long axis of the fabric. Speed of movement of the yarns can be determined by the speed of movement of the mechanism for the machine operated to hold the various fabric layers together; preferably said machine mechanism moves more slowly near the ends of each cycle, so that yarn carriers are similarly slowed at either end of the forming fabric width, aiding in making successive courses of yarn lie parallel to each other without the necessity for extra equipment. A second series of needles is provided beyond each moving conveyor, in association with each plurality of yarns being directed back and forth across the width of the forming fabric, to accept the plurality of yarns and place them onto or into the needles on the moving conveyor, the additional series of needles providing for parallelism in each plurality of yarns, with or without overlap of each plurality of yarns.
REFERENCES:
patent: 3564872 (1971-02-01), Klaeui
patent: 3756043 (1973-09-01), Kenter
patent: 3953989 (1976-05-01), Politze et al.
patent: 4556440 (1985-12-01), Krueger
patent: 4677831 (1987-07-01), Wunner
patent: 4706475 (1987-11-01), Wunner
Bell Michael W.
Herb David
J B Group, Inc.
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