Single faced corrugated web thickness sensing apparatus

Details Single faced corrugated web thickness sensing apparatus Single faced corrugated web thickness sensing apparatus

1980-05-23

1981-11-24

Swisher, S. Clement

Geometrical instruments

Area integrators

Electrical

G01B 506

Patent

active

043015980

ABSTRACT:
The thickness of a single faced corrugated web is sensed by a flexible resilient member in contact with the corrugated side of the web while the smooth side of the web is in contact with a preheat drum. A frame is supported for movement toward and away from the drum and has said resilient member mounted thereon for contacting a plurality of adjacent corrugations and a sensing member which is movable in response to the contact member. A sensor cooperates with the sensing member to generate a signal.

REFERENCES:
patent: 2713209 (1955-07-01), Brown
patent: 2876734 (1959-03-01), Nitchie
patent: 3520276 (1970-07-01), Martin
patent: 4189841 (1980-02-01), Loepfe
patent: 4253913 (1981-03-01), Chaudhuri

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