JPH02148311U

JPH02148311U -

Info

Publication number: JPH02148311U
Application number: JP5761689U
Authority: JP
Priority date: 1989-05-19
Filing date: 1989-05-19
Publication date: 1990-12-17

Description

[Brief explanation of drawings]

第１図は本考案成形型の一実施例を示す断面図
、第２図は第１図におけるＡ−Ａ線断面図、第３
図はバリ除去作業の説明図、第４図は成形品を示
す断面図、第５図は従来の成形型の一例を示す断
面図、第６図は同じく型開き時を示す断面図であ
る。１……分割型（芯型）、２……分割型（上型）
、３……分割型（下型）、４……往復動軸、５…
…キヤビテイ、６，７，８……会合面、９，１０
，１２……バリ溝、１３……仕切部、ｄ……バリ
、ｅ……エア噴射手段。 Fig. 1 is a cross-sectional view showing one embodiment of the mold of the present invention, Fig. 2 is a cross-sectional view taken along line A-A in Fig. 1, and Fig.
4 is a sectional view showing a molded product, FIG. 5 is a sectional view showing an example of a conventional mold, and FIG. 6 is a sectional view showing the same when the mold is opened. 1...Divided mold (core mold), 2...Divided mold (upper mold)
, 3... split mold (lower mold), 4... reciprocating shaft, 5...
...Cavity, 6,7,8...Meeting surface, 9,10
, 12... burr groove, 13... partition, d... burr, e... air injection means.

補正平１．８．３１図面の簡単な説明を次のように補正する。明細書第８頁第３〜４行の「第６図は同じく型
開き時を示す断面図である。」を「第６図は同じ
く型開き時を示す断面図、第７図は同じくバリ除
去作業の説明図である。」に補正します。Amendment 1.8.31. The brief description of the drawing is amended as follows. On page 8 of the specification, lines 3 and 4, "Fig. 6 is a cross-sectional view showing the mold opening." This is an explanatory diagram of the work.''

Claims

[Scope of utility model registration request]

Between the plurality of divided molds 1, 2, and 3 including the core mold 1,
Cavity 5 for molding the elastomer annular body a
The mold is formed by forming an annular burr groove 12 at one or more locations in the circumferential direction of the meeting surface 8 located on the inner peripheral side of the cavity 5 and on the shaft 4 side of the core mold 1, A mold characterized in that a partition portion 13 is formed to make the burr groove 12 discontinuous in the circumferential direction.