Device for waxing a yarn

Details Device for waxing a yarn Device for waxing a yarn

1979-03-27

1981-01-13

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

With coating or impregnating

57 20, 118 78, D01H 1330, D02J 318, B65H 7100

Patent

active

042441765

ABSTRACT:
A device for waxing a yarn in a spinning machine which includes an annular wax roll, and means for rotatably supporting the wax roll. The support means includes a solid cylindrical member integrally connected to the wax roll so as to project from one end of the wax roll, and a support spindle associated with the cylindrical member for allowing the integral rotation of the cylindrical member and the wax roll. The waxing device is disposed that the yarn, which travels from a supply of yarn to a yarn winding-up mechanism, contacts both the projected periphery of the cylindrical member and the one end of the wax roll. The rotation of the wax roll is caused mainly by the yarn contacting the solid cylindrical member so that the wax roll is not adversely affected by the yarn even when changes occur in the travel condition of the yarn, so that no grooves or concaved lines are formed in the end face of the wax roll.
The wax roll can be retracted from an operative or waxing position, in which the yarn contacts the wax roll during the normal spinning operation, so that the wax roll is kept away from the yarn during a yarn piecing operation and doffing operation, thereby removing factors which cause the irregular rotation of the wax roll and the formation of grooves in the end face of the wax roll.
Additionally, the waxing devices can automatically bring the yarn into a proper waxing position, in which the yarn is in contact with both the wax roll and the solid cylindrical member, after the yarn piecing operation and the doffing operation.

REFERENCES:
patent: 1856198 (1932-05-01), Swanson
patent: 2282888 (1942-05-01), Russo
patent: 2474346 (1949-06-01), Coleman et al.
patent: 3590568 (1971-07-01), Kubovy et al.
patent: 3890924 (1975-06-01), Horstmann
patent: 4046102 (1977-09-01), Piro

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