Measuring and testing – With fluid pressure – Dimension – shape – or size
Patent
1979-11-26
1981-10-06
Goldberg, Gerald
Measuring and testing
With fluid pressure
Dimension, shape, or size
G01B 1304
Patent
active
042928389
ABSTRACT:
In an apparatus for the measurement of the thickness of a sheet through the use of air bearings, the apparatus has a stationary housing, a member in the housing capable of being extended in a direction substantially perpendicular to the sheet, and a fluid ring bearing capable of directing fluid to impinge the member in a substantially omnidirection which is substantially perpendicular to the direction of extension of the member.
REFERENCES:
patent: 2982124 (1961-05-01), Knobel
patent: 3321838 (1967-05-01), Albertson, Jr.
patent: 3610024 (1971-10-01), Honjo et al.
patent: 4031741 (1977-06-01), Schaming
Bohner Hal
Goldberg Gerald
Measurex Corporation
Roskos Joseph W.
Yin Ronald
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