Press roller contamination measurement

Details Press roller contamination measurement Press roller contamination measurement

1981-01-26

1982-09-07

Swisher, S. Clement

Measuring and testing

Sampler, sample handling, etc.

With constituent separation

7386433, 7386441, 7386451, G01N 108

Patent

active

043477496

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 comprises 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 surface, said portion having a bottom border, moving said contaminant from said portion across said bottom border and collecting said contaminant.

REFERENCES:
patent: 2826077 (1958-03-01), Walker
patent: 4236402 (1980-12-01), McGuire
patent: 4274676 (1981-06-01), Chapel

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