Electronic weft thread monitor for shuttleless weaving machines

Details Electronic weft thread monitor for shuttleless weaving machines Electronic weft thread monitor for shuttleless weaving machines

1978-01-17

1979-12-11

Caldwell, Sr., John W.

Communications: electrical

Condition responsive indicating system

Specific condition

28187, 73 5, 73160, 1393702, 139353, 340501, B65H 6300, D04B 3514, G08B 2100

Patent

active

041785908

ABSTRACT:
The invention is concerned with an electronic device enabling an operator to easily and correctly adjust the time interval in which the weft insertion in shuttleless looms fitted with an electronic weft or filling thread monitor is to be monitored. A safety interval of some milliseconds' duration is provided at the end of said time interval taking into account the unavoidable fluctuations of the weft insertion period.

REFERENCES:
patent: 3440634 (1969-04-01), Maurmann et al.
patent: 3489910 (1970-01-01), Bohme et al.
patent: 3688958 (1972-09-01), Rydborn
patent: 3863241 (1975-01-01), Kamiyamaguch
patent: 3911969 (1975-10-01), Rydborn
patent: 3989068 (1976-11-01), Kakinaka
patent: 4041985 (1977-08-01), Gotoh

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