Title:
Registration control methods and devices
Document Type and Number:
United States Patent 2990173


Inventors:
Wilbur, Melville
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Publication Date:
06/27/1961
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Assignee:
Wilbur, Melville
Primary Class:
270/52.080
Other Classes:
156/472, 242/563.100, 156/361
International Classes:
B31F1/28; B31F1/20
US Patent References:
1850055
2521071Automatic aligning device for endless bands
2522479Registration control device
2534686Web position controlling device for web material treating machines
2641416Apparatus for and methods of aligning webs for lamination
2779549Apparatus for following an edge of a moving elongated object
2814487Pneumatic web guide


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