Coated pinned roller

Details Coated pinned roller Coated pinned roller

1977-10-06

1978-10-31

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Unitary multiple twist devices

19112, D01H 112

Patent

active

041226569

ABSTRACT:
An opening roller for opening fibres fed to an open-end spinning machine has a cylindrical shell outwardly from which protrude a plurality of fibre-engaging teeth, each of which has a coating of wear-resistant ceramics or metallic material applied thereto. The teeth are formed as pointed ends of a plurality of pins passing through the cylindrical shell and the coating applied so as to cover the whole surface of each of the pins.
The opening roller is provided with a flange extending from each end of the cylindrical shell and the wear-resistant coating may be applied to each of the protruding tooth portions, the outer surface of the cylindrical shell and the inner surface of the flanges.

REFERENCES:
patent: 3387338 (1968-06-01), Kanai et al.
patent: 3626681 (1971-12-01), Naruse
patent: 3685272 (1972-08-01), Greenwood et al.
patent: 3737951 (1973-06-01), MacKie
patent: 3775956 (1973-12-01), Rajnoha et al.
patent: 3841075 (1974-10-01), Kutscher et al.
patent: 3853494 (1974-12-01), Graf
patent: 3916045 (1975-10-01), Ibbotson et al.
patent: 4058965 (1977-11-01), Shaw et al.

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