Recording tape cartridge and method of manufacturing said...

Details Recording tape cartridge and method of manufacturing said... Recording tape cartridge and method of manufacturing said...

2005-07-05

2005-07-05

Rivera, William A. (Department: 3654)

Winding, tensioning, or guiding

Unwinding and rewinding a machine convertible information...

Cartridge system

C242S343000, C242S611100

Reexamination Certificate

active

06913218

ABSTRACT:
In a recording tape cartridge, cut-out portions are formed at an inner peripheral edge portion of a metal plate. By providing gates at the cut-out portions, the metal plate is insert molded without depending on submarine gates. Because the gates are provided, at the time of molding a reel hub, a molding material flows radially from a hole portion toward a tubular portion and a lower flange.

REFERENCES:
patent: 4723731 (1988-02-01), Posso
patent: 6264126 (2001-07-01), Shima et al.
patent: 6315230 (2001-11-01), Hansen et al.
patent: 6568619 (2003-05-01), Shiga et al.
patent: 6687086 (2004-02-01), Morita et al.
patent: 6736345 (2004-05-01), Hiraguchi et al.

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