Expansible core adapter
United States Patent 2833488
US Patent References:
Self-locking paper roll chuck
- - 2446690

/2704681.html
- - 2704681

Web winding apparatus
- - 2777644


Inventors:
Kerber, Frank J.
Publication Date:
05/06/1958
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Assignee:
JOHN DUSENBERY COMPANY INC
Primary Class:
242/571.400
Other Classes:
242/545.100, 242/530.100
International Classes:
B65H75/24; B65H75/18
Foreign References:
GB190811998A