Device for evaluating wrinkles in a double rolled seam

Details Device for evaluating wrinkles in a double rolled seam Device for evaluating wrinkles in a double rolled seam

1991-06-17

1992-04-14

Evans, F. L.

Optics: measuring and testing

By configuration comparison

With projection on viewing screen

356397, 356237, G01B 908

Patent

active

051042266

ABSTRACT:
A seam projector has a seam holding device attached to the base portion of the seam projector. The seam holding device has a lever arm which is pivotally attached to the base portion of the seam projector. The seam holding device has a seam guide attached to the lever arm such that the seam guide is aligned with a mirror head on the side of the seam projector when the lever arm is oriented vertically. A nomograph may be overlayed on the projection screen of the seam projector for quantitatively evaluating the severity of wrinkles which appear on the projection screen.

REFERENCES:
WACO/MK 2000 Seam Projector, Bulletin No. 810; Wilkens-Anderson Company (undated).
21 CFR 113.60.

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