Mold structure used to produce discrete track medium,...

Details Mold structure used to produce discrete track medium,... Mold structure used to produce discrete track medium,...

2010-01-06

2011-11-08

Ewald, Maria Veronica (Department: 1744)

Plastic article or earthenware shaping or treating: apparatus

Preform reshaping or resizing means: or vulcanizing means...

Surface deformation means only

C425S4360RM, C425S4360RM, C425S810000, C264S293000, C264S001330

Reexamination Certificate

active

08052414

ABSTRACT:
To provide a mold structure used to produce a discrete track medium, including in a surface of the mold structure: a plurality of line pattern forming concave portions which are positioned so as to be adjacent and substantially parallel to each other; and a communicating concave portion which is positioned so as to intersect the line pattern forming concave portions and connects the line pattern forming concave portions.

REFERENCES:
patent: 2008/0226946 (2008-09-01), Moribe et al.
patent: 2004-221465 (2004-08-01), None
patent: 2007-296683 (2007-11-01), None
patent: 2008-183731 (2008-08-01), None

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