Method and apparatus of treating a disc plate

Plastic article or earthenware shaping or treating: apparatus – Control means responsive to or actuated by means sensing or...

Reexamination Certificate

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Details

C425S143000, C425S810000, C264S040100, C264S040600, C264S237000, C264S310000, C264S348000

Reexamination Certificate

active

10846530

ABSTRACT:
A method of treating a disc plate. has the following operations of: molding a mold disc plate through an injection molding; and spinning the mold disc plate at a high spin speed. The spinning operation has at least one of the following two sub-operations of: reducing a warp of the mold disc plate with a centrifugal force caused during the spinning operation, and reducing a temperature of the mold disc plate during the spinning operation. Moreover, an apparatus of treating a disc plate has: a conveyer for conveying a mold disc plate obtained through an injection molding; a disc bench for receiving the mold disc plate conveyed with the conveyer; and a spin driver for spinning the disc bench when a temperature of the mold disc plate is higher than 90° C., to thereby spin the mold disc plate.

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Derwent Abstract, “Computer disc rectification after deformation heating” (1972).

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