Sewing – With tables or stands – For plural sewing units
Patent
1987-10-07
1989-04-25
Falik, Andrew M.
Sewing
With tables or stands
For plural sewing units
112147, 1565801, D05B 3502
Patent
active
048237132
ABSTRACT:
A sewing machine for sewing together two sheets of material and for separating and pressing their edges, includes folding means for separating and folding the edges and an ultrasonic generator for pressing and creasing them. An additional device includes a speed sensor for sensing a sewing speed of the sewing machine and a control device for controlling the ultrasonic generator to vary a strength of the ultrasonic wave according to the sensed sewing speed.
REFERENCES:
patent: 2753823 (1956-07-01), Judelson
patent: 3378429 (1968-04-01), Obeda
patent: 3493457 (1970-02-01), Jugler
patent: 3524085 (1970-08-01), Shoh
patent: 3734805 (1973-05-01), Obeda et al.
patent: 3934525 (1976-01-01), Aldred
patent: 4047992 (1977-09-01), Williams et al.
patent: 4161420 (1979-07-01), Clark et al.
patent: 4495879 (1985-01-01), Yamamoto
Mizutani Hisataka
Ogawa Yoshitake
Takeuchi Akira
Brother Kogyo Kabushiki Kaisha
Falik Andrew M.
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