US PATENT SUBCLASS 264 / 645-- .~ Introducing material under pressure into mold (e.g., injection molding, etc.)

US PATENT SUBCLASS 264 / 645
.~ Introducing material under pressure into mold (e.g., injection molding, etc.)

Current as of: June, 1999
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264 /	HD	PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

603	DF	OUTSIDE OF MOLD SINTERING OR VITRIFYING OF SHAPED INORGANIC ARTICLE OR PREFORM {30}
645		.~ Introducing material under pressure into mold (e.g., injection molding, etc.)

DEFINITION

Classification: 264/645

Introducing material under pressure into mold (e.g., injection molding, etc.):

(under subclass 603) Process wherein material under pressure from a source removed from a closed mold cavity is forced

into a closed mold cavity and assumes the shape of the interior of the closed cavity.

SEE OR SEARCH THIS CLASS, SUBCLASS:

321.1, for injection molding without sintering or vitrifying.

537+, for injection molding of a hollow blank portion prior to pneumatic pressure application to the inside.