Mold for a plastic filter

Details Mold for a plastic filter Mold for a plastic filter

2007-08-14

2007-08-14

Gupta, Yogendra N. (Department: 1722)

Static molds

Core

Of plural sections

C425S468000, C425S812000

Reexamination Certificate

active

10992372

ABSTRACT:
A mold, for molding a cylindrical filter having a narrow-pitched mesh structure through resin injection molding, has a cavity divided into sections radially freely attachable/detachable. The sections of the cavity being formed as stacked assemblies bodies each having a number of thin plates, and with edge portions of alternating ones of the thin plates projecting further radially inward than edge portions of interposed alternating ones of the thin plates A core fits in the cavity a defines inside surface of the mesh structure. Air existing between the core and the cavity is externally released from gaps in the stacked thin plates during resin injection.

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