APPARATUSES AND METHODS FOR DETERMINING PERFORMANCE PARAMETERS OF A FLEXIBLE SURFACE

A method is provided for determining a characteristic of a flexible surface and determining a performance parameter of the flexible surface is disclosed. The method comprises providing a test device and pressing the test device into a flexible surface, measuring the pressures at the sensing points,...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LACHENBRUCH, Charles A, TEKULVE, Jon C, SAUSER, Frank E
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BEDS CHAIRS COFFEE MILLS DOMESTIC ARTICLES OR APPLIANCES FURNITURE HUMAN NECESSITIES INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE PHYSICS SOFAS SPICE MILLS SUCTION CLEANERS IN GENERAL TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:	A method is provided for determining a characteristic of a flexible surface and determining a performance parameter of the flexible surface is disclosed. The method comprises providing a test device and pressing the test device into a flexible surface, measuring the pressures at the sensing points, and determining an envelopment parameter of the surface based on the pressures. The test device comprises a plurality of sensing points extending from a bottom of the test device upwardly along a side of the test device. A test indentor comprising a shell, wherein a least a portion of the shell is generally round in shape and has an exterior, with sensing points extending along the side of the shell, each sensing point is capable of detecting pressure at its location and an elastomeric material is on the exterior of the shell and adjacent the sensing points.