Winding – tensioning – or guiding – Coil holder or support – Spool or core
Reexamination Certificate
2006-11-14
2006-11-14
Matecki, Kathy (Department: 3654)
Winding, tensioning, or guiding
Coil holder or support
Spool or core
C242S610000, C242S613500
Reexamination Certificate
active
07134626
ABSTRACT:
A stand-alone lug of non-isotropic polymeric or cellulosic material for installation in a recess in a core member of paperboard material for a roll of paper or other sheet material. The lug has a width in the range of from about 0.25 to about 4 inches, a length in the range of from about 0.5 to about 4 inches, and a thickness in the range of from about 0.25 to about 1 inch. The lug also having at least one radially inner surface, the total circumferential width of the inner surface or surfaces being at least about 0.2 inches. The lug may have a recess extending from one end for receiving a key on a stub-chuck. Where the lug is to be used with splined stub-chucks, the lug may have no recess.
REFERENCES:
patent: 1459241 (1923-06-01), Norstrom
patent: 2465995 (1949-04-01), Bergsten
patent: 3627220 (1971-12-01), Vogel
patent: 3840194 (1974-10-01), Vetter
patent: 4690345 (1987-09-01), Cotey
patent: 5236141 (1993-08-01), Kewin
patent: 5595356 (1997-01-01), Kewin
patent: 5615845 (1997-04-01), Kewin
patent: 5829713 (1998-11-01), Kewin
Sonoco Products Company, Sonoco Paper Mill Cores and Machinery Brochure, 1982.
Dondero William E.
Matecki Kathy
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