Tufted fabric and method of making the same
First Claim
1. THE METHOD OF MAKING A TUFTED PILE FABRIC FLOOR COVERING HAVING A PILE FACE OF A TWEEDY APPEARANCE FREE FROM PRONOUNCED LINES OF SIMILAR APPEARING PILE ELEMENTS WHICH COMPRISING THE STEPS OF SIMULTANEOUSLY INSERTING A PLURALITY OF EQUALLY SPACED PILE YARNS THROUGH A BACKING SHEET TO FORM A TRANSVERSE ROW OF PILE LOOPS UPSTANDING FROM ONE FACE OF SAID SHEET AND EQUALLY SPACED ALONG A SINGLE LINE EXTENDING WIDTHWISE OF SAID SHEET, FEEDING AN ADDITIONAL LENGTH OF YARN TO EACH OF SAID PILE YARNS, ADVANCING SAID BACKING SHEET IN THE DIRECTION OF ITS LENGTH, SHIFTING SAID BACKING SHEET IN THE DIRECTION OF ITS LENGTH, DISTANCE MORE THAN ABOUT ONE-HALF THE SPACING BETWEEN ADJACENT PILE YARNS, AND THEREAFTER AGAIN INSERTING SAID PILE YARNS THROUGH SAID SHEET TO FORM A TRANSVERSE ROW OF PILE LOOPS UPSTANDING FROM SAID ONE FACE OF THE SHEET AND EQUALLY SPACED ALONG A SINGLE LINE EXTENDING WIDTHWISE OF SAID SHEET PARRALLEL TO AND SPACED FROM SAID FIRST-MENTIONED LINE, AND REPEATING SAID INSERTING, FEEDING, ADVANCING AND SHIFTING MOVEMENTS TO FORM SUCCEEDING PARALLEL TRANSVERSE ROWS OF PILE LOOPS, SAID ADVANCING MOVEMENTS TO FORM SUCCEEDING PARALLEL TRANSVERSE ROWS BEING THE SAME IN AMOUNT, SAID SHIFTING MOVEMENTS OF THE BACKING SHEET BEING THE SAME IN AMOUNT AND OCCURRING IN BOTH DIRECTIONS WIDTHWISE OF THE SHEET AND SO THAT THE TOTAL AMOUNT OF SHIFT OF THE BACKING SHEET IN ONE DIRECTION IS THE SAME AS THE TOTAL AMOUNT OF SHIFT IN THE OPPOSITE DIRECTION AND SO THAT ALL SAID SHIFTING MOVEMENTS ARE MORE THAN ONEHALF THE SPACING BETWEEN ADJACENT PILE YARNS, THE POSITIONING OF THE SHEET IN ITS EXTREME WIDTHWISE POSITIONS SUBSTANTIALLY COINCIDING WITH A PILE YARN INSERTION.
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Accused Products
17 Citations
1 Claim
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1. THE METHOD OF MAKING A TUFTED PILE FABRIC FLOOR COVERING HAVING A PILE FACE OF A TWEEDY APPEARANCE FREE FROM PRONOUNCED LINES OF SIMILAR APPEARING PILE ELEMENTS WHICH COMPRISING THE STEPS OF SIMULTANEOUSLY INSERTING A PLURALITY OF EQUALLY SPACED PILE YARNS THROUGH A BACKING SHEET TO FORM A TRANSVERSE ROW OF PILE LOOPS UPSTANDING FROM ONE FACE OF SAID SHEET AND EQUALLY SPACED ALONG A SINGLE LINE EXTENDING WIDTHWISE OF SAID SHEET, FEEDING AN ADDITIONAL LENGTH OF YARN TO EACH OF SAID PILE YARNS, ADVANCING SAID BACKING SHEET IN THE DIRECTION OF ITS LENGTH, SHIFTING SAID BACKING SHEET IN THE DIRECTION OF ITS LENGTH, DISTANCE MORE THAN ABOUT ONE-HALF THE SPACING BETWEEN ADJACENT PILE YARNS, AND THEREAFTER AGAIN INSERTING SAID PILE YARNS THROUGH SAID SHEET TO FORM A TRANSVERSE ROW OF PILE LOOPS UPSTANDING FROM SAID ONE FACE OF THE SHEET AND EQUALLY SPACED ALONG A SINGLE LINE EXTENDING WIDTHWISE OF SAID SHEET PARRALLEL TO AND SPACED FROM SAID FIRST-MENTIONED LINE, AND REPEATING SAID INSERTING, FEEDING, ADVANCING AND SHIFTING MOVEMENTS TO FORM SUCCEEDING PARALLEL TRANSVERSE ROWS OF PILE LOOPS, SAID ADVANCING MOVEMENTS TO FORM SUCCEEDING PARALLEL TRANSVERSE ROWS BEING THE SAME IN AMOUNT, SAID SHIFTING MOVEMENTS OF THE BACKING SHEET BEING THE SAME IN AMOUNT AND OCCURRING IN BOTH DIRECTIONS WIDTHWISE OF THE SHEET AND SO THAT THE TOTAL AMOUNT OF SHIFT OF THE BACKING SHEET IN ONE DIRECTION IS THE SAME AS THE TOTAL AMOUNT OF SHIFT IN THE OPPOSITE DIRECTION AND SO THAT ALL SAID SHIFTING MOVEMENTS ARE MORE THAN ONEHALF THE SPACING BETWEEN ADJACENT PILE YARNS, THE POSITIONING OF THE SHEET IN ITS EXTREME WIDTHWISE POSITIONS SUBSTANTIALLY COINCIDING WITH A PILE YARN INSERTION.
Specification
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- Resources
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Current AssigneeBigelow-Sanford Incorporated
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Original AssigneeDavid B. Parlin, Harry G. Gallagher
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InventorsParlin, David B., Gallagher, Harry G.
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Application NumberUS04/288,039Time in Patent Office809 DaysField of SearchUS Class Current112/410CPC Class CodesD05C 15/28 by moving the base material...D05C 17/026 characterised by the tufted...
