Sewing – Method of sewing – Stitch forming
Patent
1996-03-11
1998-04-14
Lewis, Paul C.
Sewing
Method of sewing
Stitch forming
112 8023, 112 8008, 112 8041, D05C 1526, D05C 1530
Patent
active
057380309
ABSTRACT:
The present invention provides a method for use in a machine for placing a plurality of colors of threads into a backing web to form a desired pattern having (a) a plurality of thread placement tools for placing a selected thread color from a plurality of thread color supply sources into the backing web; (b) a control means responsive to an instruction set for carrying out sequential operations to produce a desired pattern; (c) means for accurately relatively positioning the thread placement tools relative to the backing web in response to commands from said control means and (d) means for selective placement of said thread colors into said backing web in response to commands from said control means, an improved method for placing said thread colors into said backing web to form said desired pattern comprising the steps of:
supplying at least two thread colors to a first thread placement tool and supplying at least one color different from the colors supplied to the first thread placement tool to a second thread placement tool, each of said first and second placement tools being positionable relative to an overlapping region of said backing web and being supplied fewer than the total number of colors to be used within the overlapping region of the backing web;
relatively positioning said first tool at a selected location with respect to said backing web and within said overlapping region in response to commands from said control means;
placing said selected one or more thread colors into said backing web at said selected location in response to commands from said control means;
relatively positioning said second tool with respect to said backing web over a selected location on said backing web within the overlapping region which requires a thread color available from said second tool but not said first tool; and placing selected one or more of the thread colors supplied to said second thread placement tool into said backing web at said selected location in said overlapping region in response to commands from said control means. The invention also provides apparatus specially adapted to practice the method and an instruction set for carrying out the method.
REFERENCES:
patent: 3595185 (1971-07-01), Shorrock
patent: 3756173 (1973-09-01), Shorrock
patent: 4549496 (1985-10-01), Kile
patent: 4991523 (1991-02-01), Ingram
patent: 5080028 (1992-01-01), Ingram
patent: 5165352 (1992-11-01), Ingram
patent: 5392723 (1995-02-01), Kaju
patent: 5588383 (1996-12-01), Davis et al.
General Design, Inc
Lewis Paul C.
McGregor Martin L.
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