Winding – tensioning – or guiding – Card – board – or form
Patent
1975-05-21
1976-05-25
Christian, Leonard D.
Winding, tensioning, or guiding
Card, board, or form
B65H 7506
Patent
active
039587789
ABSTRACT:
A paperboard textile core has two self locking tabs at each end of the core to secure the core together.
REFERENCES:
patent: 2061101 (1936-11-01), Platt
patent: 2660298 (1953-11-01), Field
patent: 3268069 (1966-08-01), Clark, Jr.
patent: 3343665 (1967-09-01), Marino
patent: 3780855 (1973-12-01), McLeod et al.
Lawson DeWayne L.
Roof Raymond D.
Christian Leonard D.
Olinkraft, Inc.
Von Behren Norvell E.
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