Apparatus and method for detecting a splice in a running length

Details Apparatus and method for detecting a splice in a running length Apparatus and method for detecting a splice in a running length

1997-10-16

1999-09-21

Biegel, Ronald

Measuring and testing

Sheet, woven fabric or fiber

G01L 510

Patent

active

059539534

ABSTRACT:
Apparatus and method for detecting the presence of a splice in a running length of web material, particularly photosensitive web material. The apparatus includes first and second encoders coupled to first and second rollers, respectively. As the web material is transported across the rollers, the speeds of the rollers are continuously and simultaneously detected. The rollers will travel at substantially the same speed when the web is being transported across both rollers. The presence of the splice is detected when the speeds of the two rollers differ.

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