Flatness-measuring roller for a continuously manufactured strip

Details Flatness-measuring roller for a continuously manufactured strip Flatness-measuring roller for a continuously manufactured strip

1995-11-20

1996-09-17

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

25022717, 356 32, 356365, 356371, G01J 104

Patent

active

055571000

ABSTRACT:
A roller is rotatably mounted about its axis and comprises a hollow, cylindrical roll face, a ring and two hollow shafts. The roller is provided with a force measuring fiber optical device which uses the double refraction in an optical fiber subjected to a lateral force. The optical fibers of the measuring device form coils, each having at least one turn and the cylindrical roll face.

REFERENCES:
patent: 4173412 (1979-11-01), Ramsay et al.
patent: 4300403 (1981-11-01), Berger et al.
patent: 4866266 (1989-09-01), Calvani et al.
patent: 4970385 (1990-11-01), Tatsuno et al.
patent: 5061847 (1991-10-01), Hazan et al.
patent: 5064270 (1991-11-01), Turpin et al.
patent: 5218197 (1993-06-01), Carroll
patent: 5308973 (1994-05-01), Odoni et al.

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