Selvedge detector and guide

Details Selvedge detector and guide Selvedge detector and guide

1977-02-14

1978-10-03

Mackey, Robert R.

Textiles: cloth finishing

Cutting

Pile loops

D06C 1308

Patent

active

041175760

ABSTRACT:
Apparatus to sense and guide the edge of a backing material having a raised surface. A double sensor is provided to either sense the edge of applied substance or the edge of the backing material or selvedge. The double sensor employs a pair of flag members to vary the pressure of a fluidic sensing device in response to the position of the selvedge to automatically control the position of a selvedge protection device.

REFERENCES:
patent: 1974210 (1934-09-01), Fowler
patent: 3073197 (1963-01-01), Gowin
patent: 3244418 (1966-04-01), Henderson
patent: 3566630 (1971-03-01), Appenzeller
patent: 3925864 (1975-12-01), Gilpatrick
patent: 3931669 (1976-01-01), Gilpatrick
patent: 3935979 (1976-02-01), Hickey
patent: 3977055 (1976-08-01), Gilpatrick

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