B - Operations – Transporting – 41 – F
Patent
B - Operations, Transporting
41
F
101/92
B41F 1/00 (2006.01) G01N 3/30 (2006.01) G01N 3/00 (2006.01)
Patent
CA 1091506
ABSTRACT OF THE DISCLOSURE Apparatus for testing the print through quality of a forms set. The apparatus comprises a horizontal base plate which is adapted to have the forms set laid thereupon. Sleeve means is mounted above the base plate for guiding a hammer for vertical movement to and from a position where its face strikes the forms set disposed on the base plate. Means are provided for releasably looking the hammer at a preselected one of a plurality of heights above the forms set. A raised test sign is provided on either the face of the hammer or on the upper surface of the base plate below the face of the hammer.
295153
Alfred Walter Ag
Macrae & Co.
LandOfFree
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