System to control weft tension in a loom with continuous weft fe

Details System to control weft tension in a loom with continuous weft fe System to control weft tension in a loom with continuous weft fe

1989-08-07

1991-09-24

Falik, Andrew M.

Textiles: weaving

Weft manipulation

Weaving with stationary weft supply

1393702, 139452, 242147R, D03D 4738

Patent

active

050506480

ABSTRACT:
In a system for automatically controlling the tension of weft yarns fed to a loom with continuous weft feed, the extent of braking of the weft yarn is controlled based on signals output from a device for measuring weft yarn tension. Specifically, signals from a weft yarn tension measuring device are output to an electronic interface unit, which processes those signals and directs an actuator to brake the weft yarn more heavily when the detected tension is below a predetermined level, and less heavily when the detected tension is above a predetermined level.

REFERENCES:
patent: 3938119 (1976-02-01), Schwartz
patent: 4010915 (1977-03-01), Strutz et al.
patent: 4359068 (1982-11-01), Loepfe et al.
patent: 4420123 (1983-12-01), Fox et al.
patent: 4768729 (1988-09-01), Jacobsson
patent: 4781224 (1988-11-01), Gotoh et al.
patent: 4792101 (1988-12-01), Van Bogaert et al.
patent: 4817681 (1989-04-01), Krumm et al.

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