Textiles: fiber preparation – Working – Fluid or special treatment
Patent
1992-11-13
1994-04-26
Crowder, Clifford D.
Textiles: fiber preparation
Working
Fluid or special treatment
100 93RP, 209 11, 1525652, D01B 900, B30B 1534, B07B 1500
Patent
active
053054970
ABSTRACT:
Method to separate polypropylene in the processing of silk schappe, whereby a lap (14) of silk fibers which are partly combed or are at least made sufficiently parallel undergoes an action of heating between 110.degree. C. and 160.degree. C. together with a simultaneous action of controlled compression so as to form clusters of polypropylene and silk fibers and thereafter an action of combing or pre-combing for the definitive removal of those clusters of polypropylene and silk fibers.
Device to separate polypropylene in the processing of silk schappe, which is positioned downstream of a drawing frame (13) or analogous machine producing a lap (14) of silk fibers, the device including a conveyor means (belt/drum) cooperating with means that heat and apply adjustable pressure to the lap (14).
REFERENCES:
patent: 1565196 (1925-12-01), Piana
patent: 3763778 (1973-10-01), Sills et al.
patent: 4334468 (1982-06-01), Guttinger et al.
patent: 4718843 (1988-01-01), Carlsson et al.
patent: 5061735 (1991-10-01), Zielinski
patent: 5091753 (1992-02-01), Slapelis
Liverani Cesare
Valent Gianvittore
Viciguerra Paolo
Calvert John J.
Cascami Seta-Filature Seriche Riunite SpA
Crowder Clifford D.
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