Molding mold, molding method and tape cartridge

Details Molding mold, molding method and tape cartridge Molding mold, molding method and tape cartridge

2007-09-18

2007-09-18

Davis, Robert B. (Department: 1722)

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

C264S328120, C425S116000, C425S129100

Reexamination Certificate

active

10728272

ABSTRACT:
A molding mold and a molding method are disclosed, for molding a flange configuration in which a flange of a reel hub portion can be maintained in a predetermined configuration. Also a tape cartridge is disclosed, which can securely prevent a tape-shaped recording medium from touching at the flange while the tape cartridge is being used. In the molding mold for molding, a flange configuration is produced, which is provided with a reel hub portion having a flange and a hub arranged at a substantially center of the flange and an insert portion disposed at a substantially center of the reel hub portion at an opposite side of the hub, and which includes: an insert attaching portion; a flange forming portion for forming the flange; and a hub forming portion for forming the hub; wherein in a forming surface of at a side of the hub forming portion of the flange forming portion, a dimension of a circular area over from a root end of the hub forming portion to a substantially intermediate portion between the root end and a circumferential end of the flange forming portion, is corrected in view of deformation upon molding.

REFERENCES:
patent: 4162047 (1979-07-01), Hashimoto
patent: 6962305 (2005-11-01), Morita
patent: 2000-293967 (2000-10-01), None
Patent Abstracts of Japan for JP2000-293967 published on Oct. 20, 2000.

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