Machine and method of producing loop pile fabrics for use as floor covering

Claim 1

IN THE METHOD OF FORMING PATTERNS WITH PILE LOOPS IN A BASE FABRIC COMPRISING SIMULTANEOUSLY INSERTING A PLURALITY OF LENGTHS OF YARN THROUGH SAID FABRIC TO A PREDETERMINED DEPTH TO PRODUCE A FIRST SERIES OF LOOPS ALIGNED TRANSVERSELY OF THE LINE OF FEED, PULLING FROM A SUPPLY AN ADDITIONAL LENGTH OF YARN TO EACH OF SAID LENGTHS OF YARN DURING A YARN FEEDING PERIOD FOR USE IN THE FORMATION OF A SECOND SERIES OF ALIGNED LOOPS AND SIMULTANEOUSLY INSERTING THE ADDITIONAL LENGTHS OF YARN THROUGH SAID FABRIC TO THE SAID PREDETERMINED DEPTH ALONG A LINE SPACED FROM THE FIRST SERIES TO FORM SAID SECOND SERIES OF ALIGNED LOOPS, THE STEP OF FURNISHING ACCORDING TO A PRESCRIBED PATTERN A LESSER LENGTH OF YARN TO AT LEAST ONE OF THE LOOPS IN THE SECOND SERIES THAN TO OTHER LOOPS INC.P THE SECOND SERIES, BY STOPPING THE FEED OF THE YARNS OF WHICH A LESSER LENGTH IS TO BE FURNISHED BEFORE THE END OF SAID YARN FEEDING PERIOD, BY ENGAGING THEM BY CLAMPING MEMBERS WHILE NOT SO ENGAGING THE OTHER YARNS, AT A POINT BETWEEN SAID SUPPLY SAID SECOND SERIES OF LOOPS. DURING THE FORMATION OF SAID SECOND SERIES OF LOOPS, THE SAID LESSER LENGTH OF YERN BEING INSUFFICENT TO FORM COMPLETELY ITS LOOP IN THE SECOND SERIES TO THE SAID PREDETER MINED DEPTH, WHEREBY THE CORRESPONDING LOOP IN THE FIRST SERIES ID ROBBED OF A PART OF ITS YARN AND THE HIGHT OF THE LOOPS IN THE FIRST ERIES WILL VARY ACCORDING TO THE LENGTH OF YARN FURNISHED TO ITS CORRESPONDING LOOP IN THE SECOND SERIES, AND THEREAFTE DISENGAGING SAID CLAMPING MEMBERS FROM SAID YARNS AF WHICH A LESSER LENGTH IS TO BE FURNISHED.