Textiles: spinning – twisting – and twining – Apparatus and processes – Open end spinning
Patent
1988-03-21
1989-03-28
Petrakes, John
Textiles: spinning, twisting, and twining
Apparatus and processes
Open end spinning
57301, 57411, D01H 7888, D01H 7892
Patent
active
048152692
ABSTRACT:
A silver feed and opening device for open-end spinning applications comprises a housing having a rotatable opening roller associated with a pivotable guide plate having a first sliver guide portion for directing incoming sliver to the opening roller, a second arcuate fiber guide portion extending along a portion of the opening roller circumference in its direction of rotation, and a third debris guide portion extending outwardly from the opening roller and defining with the housing a debris discharge opening. The guide plate is of a unitary one-piece construction without joints between individual portions to prevent undesirable fiber accumulation which tends to occur in conventional devices. Each of the fiber and debris guide portions of the guide plate are spaced sufficiently from the sidewalls of the housing to form side slots which are a multiple of the thickness of the fibers, thereby to prevent accumulation thereof between the guide plate and the housing.
REFERENCES:
patent: 3439488 (1969-04-01), Bucil et al.
patent: 3797218 (1974-03-01), Landuehrkamp et al.
patent: 3828539 (1974-08-01), Croasdale et al.
patent: 4024699 (1977-05-01), Goldammer et al.
patent: 4201037 (1980-05-01), Artzt et al.
patent: 4254612 (1981-03-01), Miyamoto et al.
Petrakes John
W. Schlafhorst & Co.
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