Method and Apparatus for Determining the Fiber Orientation of Paper

Here are disclosed method and apparatus for rapidly and accurately determining fiber orientation of paper being in a standstill or moving in a paper machine and useful for grade study and quality control of the paper. The projector means projects an unpolarized light beam perpendicularly to a surfac...

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Bibliographische Detailangaben
Hauptverfasser:	FUKUOKA, KAZUHIKO, HATANO, AKIO, INADOME, TAKEJI, ABE, YUJI
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LAUNDERING MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS METHODS OF PRODUCING PAPER THEREON PAPER-MAKING PAPER-MAKING MACHINES PHYSICS PRODUCTION OF CELLULOSE TESTING TEXTILES TREATMENT OF TEXTILES OR THE LIKE
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