Die for molding disc substrates

Details Die for molding disc substrates Die for molding disc substrates

2006-07-11

2006-07-11

Heckenberg, Donald (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

C425S810000

Reexamination Certificate

active

07074031

ABSTRACT:
The present invention aims at increasing service life of an inner circumferential stamper holder in a die for molding disc substrates that is used when the disc substrates are injection molded. To that end, in the die for molding the disc substrates in which a stamper3is supported by at least one of a stationary die6and a movable die1, an abrasion resistant treatment is applied to at least a portion, which abuts against a side surface3aof a center opening of the stamper3, of an outer circumferential surface 4aof the inner circumferential stamper holder4supporting the stamper3.

REFERENCES:
patent: 6238197 (2001-05-01), Van Hout et al.
patent: 6322350 (2001-11-01), Voets et al.
patent: 6514437 (2003-02-01), Higashida et al.
patent: 63-182117 (1988-07-01), None
patent: 10-302328 (1998-11-01), None
English abstract for JP 63-182117.

Affiliated with

Also associated with

Rating

Die for molding disc substrates does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Die for molding disc substrates, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Die for molding disc substrates will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3536734