Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1978-05-08
1980-01-22
Hornsby, Harvey C.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
B65H 7518
Patent
active
041846508
ABSTRACT:
Recording tape reel having a plastic hub of I-beam construction and a pair of plastic flanges interconnected by an annular array of radially-elongated lugs through slots in the central web of the hub. Clearances permit the hub to be compressed under forces applied by a wound tape without substantially transmitting those forces to the flanges.
REFERENCES:
patent: 3229928 (1966-01-01), Burgess et al.
patent: 3328907 (1967-07-01), Burgess et al.
patent: 3346211 (1967-10-01), Gruber
patent: 3389872 (1968-06-01), Lyman
patent: 3485456 (1969-12-01), Weyrich et al.
patent: 3632053 (1972-01-01), Edwards et al.
patent: 4044965 (1977-08-01), Posso
Cheasick Robert C.
Nelson Norman E.
Alexander Cruzan
Granrud Robert E.
Hornsby Harvey C.
Jillions John M.
Minnesota Mining and Manufacturing Company
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