Sewing – Special machines – Buttonhole
Patent
1980-02-22
1981-08-25
Feldbaum, Ronald
Sewing
Special machines
Buttonhole
D05C 1500
Patent
active
042852862
ABSTRACT:
Two tufted pile fabrics have pile tufts disposed on the base fabric in the form of rows of chains, with the chains in adjacent rows offset, one of the fabrics including loop pile that extend from between the chains. A tufting machine and method for producing the fabrics includes two staggered rows of needles with each needle cooperating with a primary looper and a transfer looper. The primary looper points in the direction of fabric feed while the transfer looper points in the opposite direction and has a bill above the bill of the primary looper and overlying a portion of it, the bill of the transfer looper being in a plane offset from its shank. The loopers rock oppositely to each other and when the primary looper sheds each loop it is seized and held by the transfer looper and entered by the needle as it descends to the primary looper. The transfer looper thereafter releases the loop which is concatenated about the succeeding loop. Another set of needles and loop pile loopers downstream from the first set produce the loop pile in the chain loops.
REFERENCES:
patent: 2879729 (1959-03-01), McCutchen
patent: 2990792 (1961-07-01), Nowicki et al.
patent: 3132612 (1964-05-01), Hackney
patent: 3626878 (1971-12-01), Cobble
Feldbaum Ronald
Jorges Shirley M.
Ruderman Alan
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