Textiles: weaving – Weft manipulation – Weaving with stationary weft supply
Patent
1992-09-09
1994-06-07
Falik, Andrew M.
Textiles: weaving
Weft manipulation
Weaving with stationary weft supply
198810, 356381, D03D 4727
Patent
active
053180771
ABSTRACT:
In detention of abrasion on a rapier band controlled in reciprocation by a rapier guide, the principal of detection is closely related to the critical abrasion (.alpha.) of the rapier band and the system calls for no substantial modification in construction of the rapier band in production. In a first embodiment, a longitudinal channel of a depth greater then the critical abrasion is formed in the guide face of the rapier guide so that an abrasion sensor attached to the rapier guide detects the dimension of a non-abraded region on the rapier guide projecting into the channel. In a second embodiment, a photoelectric sensor is attached to the rapier guide so that its detection beam passes through the rapier band at a distance of .beta. from the guide face, .beta. being equal to a sum of the critical abrasion (.alpha.) and the initial gap between the rapier band and the guide face of the rapier guide. The critical abrasion (.alpha.) of the rapier band can be easily and freely adjusted by end users only by changing the position of the sensor or sensors.
REFERENCES:
patent: 4371482 (1983-02-01), Farabaugh
patent: 4564053 (1986-01-01), van Bogaert
patent: 4570684 (1986-02-01), Feigl
patent: 4982767 (1991-01-01), Pezzoli et al.
patent: 5075622 (1991-12-01), Konii et al.
Falik Andrew M.
Tsudakoma Kogyo Kabushiki Kaisha
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