Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1987-07-28
1989-08-08
Seidel, Richard K.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
B65H 5900
Patent
active
048545163
ABSTRACT:
A grooved traverse drum for an automatic winder and method for manufacturing the same. An iron metal traverse drum having extremely thin walls is formed by instantaneously injecting a molten metal into a limited cavity of a mold having a form corresponding to the traverse drum in an oxygen-free atmosphere.
REFERENCES:
patent: 3356308 (1967-12-01), Kubo et al.
patent: 4383654 (1983-05-01), Kawamura
Murata Kikai Kabushiki Kaisha
Seidel Richard K.
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