Sewing – Work manipulating – Trimmers
Patent
1980-12-22
1983-11-08
Schroeder, Werner H.
Sewing
Work manipulating
Trimmers
83171, 83175, 83187, D05B 2100, B26D 710
Patent
active
044135750
ABSTRACT:
A device for trimming an edge of a tubular article to form a portion of a pantyhose prior to the sewing of a gusset. A support is rotatable about its vertically disposed central axis and cooperates with a mask supported independently of the support and normally stationary. The mask has slots with which trimmers in the form of electrical heating elements cooperate, each of the trimmers being movable independently of the other relative to the mask. The support is rotated relative to the mask and one of the trimmers penetrates and cuts the cloth by heat action and enters one of the slots in the mask so that during continued rotation of the support an edge of the article is trimmed from the remainder by the aforesaid trimmers to remain engaged about the support as an annular band. Rotation of the support is then stopped and the other trimmer is extended towards the mask to penetrate the annular band and enter the other slot to sever the annular band by heat action and convert the band into an elongate ribbon which is then drawn off into a suction duct having a mouth mounted for movement with the other trimmer.
REFERENCES:
patent: 3738210 (1973-06-01), Fujio
patent: 3756174 (1973-09-01), Wenz et al.
patent: 3926015 (1976-12-01), Sangiacomo
Falik Andrew M.
Schroeder Werner H.
Solis S.r.l.
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