APPARATUS TO MEASURE THE BENDING LENGTH AND BENDING RIGIDITY OF FABRICS

PCT No. PCT/AU89/00031 Sec. 371 Date Aug. 15, 1990 Sec. 102(e) Date Aug. 15, 1990 PCT Filed Jan. 31, 1989 PCT Pub. No. WO89/07267 PCT Pub. Date Aug. 10, 1989.An apparatus to measure the bending length and bending rigidity of a piece of fabric comprising a generally planar surface upon which the plat...

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Hauptverfasser:	FRANK SCAYSBROOK, NHAN GIA LY
Format:	Patent
Sprache:	eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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Zusammenfassung:	PCT No. PCT/AU89/00031 Sec. 371 Date Aug. 15, 1990 Sec. 102(e) Date Aug. 15, 1990 PCT Filed Jan. 31, 1989 PCT Pub. No. WO89/07267 PCT Pub. Date Aug. 10, 1989.An apparatus to measure the bending length and bending rigidity of a piece of fabric comprising a generally planar surface upon which the plate of fabric is moved. The surface terminates at one end with an edge over which a leading end of the fabric passes. An optical device defines a plane extending downwardly from the surface edge at approximately 41.5 degrees. The optical device detects when the plane is intersected by the leading end of the fabric when, after a sufficient length of the piece of fabric has passed beyond the surface edge to cause bending of the fabric piece, the leading edge of the fabric intersects the plane.