Method for making card roller rings

Details Method for making card roller rings Method for making card roller rings

1989-01-23

1990-02-27

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Roller making

29127, 29411, 29418, 29445, 19101, 140 97, B21D 5312, B21H 114, B21K 102, B21K 104

Patent

active

049033859

ABSTRACT:
A method for making card roller rings for open-end spinning machines provides that a sawtooth wire (3) is wound onto a tube (1) of multiple ring length (a) and that the teeth (7) of the sawtooth wire (3) are removed at spacings corresponding to the ring length (a) to form a respective circumferential plunge-cut groove (9) extending down to the foot portion (8) of the sawtooth wire (3). Subsequently the sawtooth wire windings (12, 13) within the plunge-cut grooves are secured to the tube (1), whereupon the tube (1) with the sawtooth wire wound thereon is separated into individual card roller rings (2) substantially along the center of the plunge-cut grooves (9).

REFERENCES:
patent: 265901 (1882-10-01), Whitworth
patent: 441355 (1890-11-01), Cary
patent: 3030698 (1962-04-01), Pissarevsky
patent: 3081499 (1963-03-01), Goldman
patent: 3740809 (1973-06-01), Wolstencroft
patent: 3858277 (1975-01-01), Brown et al.

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