Sewing – Special machines – Buttonhole
Patent
1983-02-11
1984-08-21
Feldbaum, Ronald
Sewing
Special machines
Buttonhole
D05C 1500
Patent
active
044663668
ABSTRACT:
In a conventional tufting machine forming cut pile only, a looper is supported in a looper block sliding toward a cooperative needle, and, in each periodic time of tufting reciprocation, it is determined selectively whether a looper is pushed out from a looper block or not and whether a loop of pile yarn is seized thereby at a looper bill releasably or securely. The loop seized releasably is released from a looper and forms loop pile. The loop seized securely is not released from a looper and receives engagement of a looper and a knife to form cut pile. In order to determine selectively whether the looper is pushed out or not, a conventional pattern apparatus can be used.
REFERENCES:
patent: 1907292 (1933-05-01), Gladish
patent: 2982240 (1961-05-01), McCutchen
patent: 2990792 (1961-07-01), Nowicki et al.
patent: 3618543 (1971-11-01), Wittler
patent: 4185569 (1980-01-01), Inman
Feldbaum Ronald
Haniisuchiiru Co., Ltd.
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