JPH0460419U

JPH0460419U -

Info

Publication number: JPH0460419U
Application number: JP10314490U
Authority: JP
Priority date: 1990-09-29
Filing date: 1990-09-29
Publication date: 1992-05-25

Description

[Brief explanation of the drawing]

第１図は、本考案の一実施例を示す概略断面図
、第２図は、従来例における固定金型と可動金型
を型締めした状態を示す要部断面図、第３図は従
来のスタンパとスタンパホルダならびに外周リン
グの関係を示す図、第４図は、ポリマーガスが固
化してスタンパ裏面にはいつていることを示す説
明図。１……固定金型、２……可動金型、３……キヤ
ビテイ、４……スプルブツシユ、５……鏡面、６
……スタンパ、７……スタンパホルダ、８……外
周リング、９，１０……ガス逃し溝。 Fig. 1 is a schematic sectional view showing an embodiment of the present invention, Fig. 2 is a sectional view of main parts showing a conventional example in which a fixed mold and a movable mold are clamped together, and Fig. 3 is a schematic sectional view showing an example of the conventional example. FIG. 4 is a diagram showing the relationship between the stamper, the stamper holder, and the outer ring; FIG. 4 is an explanatory diagram showing that the polymer gas is solidified and adheres to the back surface of the stamper. 1... Fixed mold, 2... Movable mold, 3... Cavity, 4... Sprue bush, 5... Mirror surface, 6
... Stamper, 7 ... Stamper holder, 8 ... Outer ring, 9, 10 ... Gas relief groove.

Claims

[Scope of Claim for Utility Model Registration] In a disk molding mold, the stamper is brought into contact with the mirror surface of a movable mold, the inner peripheral part of the stamper is held by a stamper holder, and the outer peripheral part of the stamper is covered with an outer peripheral ring, The size of the gap between the inner peripheral part of the stamper and the stamper holder and the gap between the outer peripheral part of the stamper and the outer peripheral ring are formed into large parts and small parts, and these are arranged alternately. Mold for forming discs.