Measurement of plastic foam cell size using a visualization tech

Details Measurement of plastic foam cell size using a visualization tech Measurement of plastic foam cell size using a visualization tech

1996-06-17

1999-06-15

Hantis, K

Optics: measuring and testing

With sample preparation

G01N 100

Patent

active

059127295

ABSTRACT:
A method of measuring cell size of an open cell foam sample is provided including the step of providing an amount of a material suitable for obtaining foam sample impressions upon at least partial hardening in a vessel. A foam sample is placed on a surface of the material prior to hardening of the material. The foam sample is peeled away from the material after the material has begun to harden in order to provide a three-dimensional impression of at least a layer of the foam sample including a plurality of partial spherical impressions corresponding to cells of the foam sample. The cell size is measured by measuring a diameter of a plurality of the partial spherical impressions.

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patent: 4412961 (1983-11-01), Dibiasi et al.
patent: 5328935 (1994-07-01), Van Phan et al.
patent: 5500737 (1996-03-01), Donaldson et al.

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