JPS61162411U

JPS61162411U -

Info

Publication number: JPS61162411U
Application number: JP4740385U
Authority: JP
Priority date: 1985-03-29
Filing date: 1985-03-29
Publication date: 1986-10-08

Description

[Brief explanation of the drawing]

第１図は本考案の一部省略断面図であり、第２
図は従来例を説明する一部省略断面図である。１……下型、２……ピン部材、３……中型、４
……上型、１０……キヤビテイ、２０……内筒金
具。 Fig. 1 is a partially omitted sectional view of the present invention;
The figure is a partially omitted sectional view illustrating a conventional example. 1...Lower mold, 2...Pin member, 3...Medium mold, 4
...Upper mold, 10...Cavity, 20...Inner cylinder metal fitting.

Claims

[Scope of Claim for Utility Model Registration] In a rubber molding mold with an inner cylindrical fitting having a raw material injection hole, at least an upper mold, a middle mold, a lower mold, and a penetration of the inner cylindrical fitting installed in an upright position in the lower mold. The hole has a pin member that is inserted into the pin member, and the upper end of the inner cylindrical metal fitting that is inserted into the pin member is fitted with an upper die, and the lower end thereof is fitted with a lower die, so that the circumference of the pin member is A cavity is formed by the upper die, the middle die, and the lower die, and a gap is formed between the upper die and the lower die at both ends of the pin member, and a gap is formed between the inner circumference of the inner cylindrical fitting and the outer circumference of the pin member. is formed, and the pin member is provided with a communication hole that communicates from the outer periphery of the pin member to the ventilation path that communicates with the outside provided in the insertion gap and the lower mold, and air is communicated from the raw material injection hole to the ventilation path. A rubber mold with an inner cylindrical fitting.