Core for molding a ceramic discharge vessel

Details Core for molding a ceramic discharge vessel Core for molding a ceramic discharge vessel

2005-03-25

2010-06-01

Lopez, Carlos (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Changing mold size or shape during molding or with shrinkage...

C264S002300

Reexamination Certificate

active

07727429

ABSTRACT:
A method of molding a ceramic vessel includes compressing a water-soluble powder, suspending the compressed powder shape in a mold, injecting a ceramic molding mixture into the mold, and dissolving the compressed powder by flushing the vessel with water. A core for making an arc discharge vessel that has a discharge chamber and two capillaries includes a molded core of the water-soluble powder having a shape of the discharge chamber, and preferably two capillary-forming pins extending from the molded core. An apparatus for removing the molded core that includes a water reservoir that preferably flushes water through the vessel and dissolves molded core.

REFERENCES:
patent: 3403037 (1968-09-01), Cowan et al.
patent: 5972269 (1999-10-01), Barros et al.
patent: 6620272 (2003-09-01), Zaslavsky et al.
patent: 6953503 (2005-10-01), Miyazawa et al.
patent: 2003/0190275 (2003-10-01), Miyazawa et al.
patent: 2004/0113557 (2004-06-01), Scott et al.
Abstract, JP7047518 (1995).

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