Press contaminant measurement

Details Press contaminant measurement Press contaminant measurement

G - Physics

01

N

73/102

G01N 1/02 (2006.01)

Patent

CA 1156492

PRESS CONTAMINATION MEASUREMENT ABSTRACT An apparatus for measuring the foreign material deposited on a paper-contacting surface broadly comprising a frame member which is adapted to mate with the boundaries of and define an area on the surface within which the foreign material content is to be sampled, and additionally com- prises a trough for contaminant collection. The present invention also relates to a method of collecting a sample of contaminant from a paper-contacting surface comprising: isolating a minor portion of said sur- face, said portion having a bottom border, moving said con- taminant from said portion across said bottom border and collecting said contaminant.

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