Glass manufacturing – Gob charging means with shape imparting receptacle means – With glass treating means
Reexamination Certificate
2006-02-21
2009-08-25
Griffin, Steven P (Department: 1791)
Glass manufacturing
Gob charging means with shape imparting receptacle means
With glass treating means
C065S066000
Reexamination Certificate
active
07578145
ABSTRACT:
The devices for manufacturing glass performs comprise multiple gob casting molds, devices for displacing the gob casting molds and an atmosphere regulating mechanism. In one aspect, the atmosphere regulating mechanism independently regulates an atmosphere to which the glass is exposed on the gob casting molds in the casting area, molding area, or removal area relative to an atmosphere of at least one other area. In a second aspect, the atmosphere regulating mechanism divides the molding area into multiple subareas, and independently regulates an atmosphere to which the glass on the gob casting molds is exposed in at least one of the multiple subareas relative to the atmosphere in at least one other subarea and/or at least one other area.
REFERENCES:
patent: 2003/0000252 (2003-01-01), Yoshikuni et al.
patent: 01157425 (1989-06-01), None
patent: 03252322 (1991-11-01), None
patent: 08245223 (1996-09-01), None
Japanese Office Action dated Jan. 27, 2009.
Cohen Jodi
Griffin Steven P
Hoya Corporation
Sughrue & Mion, PLLC
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