Mold for producing silica crucible

Details Mold for producing silica crucible Mold for producing silica crucible

2010-01-15

2011-11-29

Mackey, James (Department: 1744)

Static molds

Container-type molding device

C065S144000, C065S302000, C249S137000, C249S160000

Reexamination Certificate

active

08066254

ABSTRACT:
In a mold for use in the production of a silica crucible, a cylindrical rim member is engagedly supported through hooks to an inner side of an upper opening portion of the mold corresponding to an upper part of a silica crucible and an outer diameter of the rim member is smaller than an inner diameter of the mold but larger than an inner diameter of the silica crucible.

REFERENCES:
patent: 3155479 (1964-11-01), Zimmerman
patent: 7160387 (2007-01-01), Kishi et al.
patent: 2006-96616 (2006-04-01), None

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