Proximity flute detection

Details Proximity flute detection Proximity flute detection

1983-10-24

1985-10-29

Ruggiero, Joseph

Boots, shoes, and leggings

156 64, 156205, 156378, 250571, 364562, 377 19, 377 24, G06F 1546, G05D 500

Patent

active

045503770

ABSTRACT:
Proximity type sensors detect the passage of the flutes of a single face web at the inlet and outlet of a bridge. Separate counts are maintained of the number of flutes detected at the bridge inlet and outlet based on the outputs of the sensors. Data representative of the number of flutes per unit length of one or more single face webs is stored in memory. The appropriate data is selectively retrieved from memory and multiplied by the difference between the flute counts at the bridge inlet and outlet to obtain a signal representative of actual length of web on the bridge.

REFERENCES:
patent: 3104997 (1963-09-01), Stewart et al.
patent: 3411388 (1968-11-01), Rappaport
patent: 3966518 (1976-06-01), Ferara
patent: 3970489 (1976-07-01), Schmidt et al.
patent: 3977929 (1976-08-01), Evans
patent: 4015493 (1977-04-01), Woolston
patent: 4151403 (1979-04-01), Woolston
patent: 4174237 (1979-11-01), Hemming, Jr.
patent: 4497027 (1985-01-01), McGuire et al.

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