Method and apparatus for eliminating impurities from an open-end

Details Method and apparatus for eliminating impurities from an open-end Method and apparatus for eliminating impurities from an open-end

1976-02-09

1977-03-01

Watkins, Donald E.

Textiles: spinning, twisting, and twining

Apparatus and processes

Delivery twist type

57 5895, 57156, D01H 1100, D01H 112

Patent

active

040095622

ABSTRACT:
An air duct is located opposite a separating opening which opens into the space containing the fiber opening roll so as to receive impurities centrifuged from the opening roll. The separating opening has a wall which forms an acute angle with the opposite wall of the duct so that the impurities can be deflected off the duct wall into the same direction as the air flow in the duct. The duct is narrowed downstream of this point in order to accelerate the air flow and entrained impurities out of the machine via a suction duct. This also stretches out any loose fibers in the flow for rapid removal in order to prevent clogging of the suction duct.

REFERENCES:
patent: 3777466 (1973-12-01), Kobele et al.
patent: 3792575 (1974-02-01), Doudlebsky et al.
patent: 3797218 (1974-03-01), Landwehrkamp et al.
patent: 3800521 (1974-04-01), Doudlebsky et al.
patent: 3839764 (1974-10-01), Clayton
patent: 3884027 (1975-05-01), Schumann et al.
patent: 3892063 (1975-07-01), Doudlebsky et al.

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