JPS60175615U

JPS60175615U - Cup-shaped seal type

Info

Publication number: JPS60175615U
Application number: JP6339584U
Authority: JP
Inventors: 浅川　芳行; 中村　栄七
Original assignee: 豊田合成株式会社
Priority date: 1984-04-27
Filing date: 1984-04-27
Publication date: 1985-11-21

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は代表的なカップ状シールの平面図である。第２
図は第１図のＡ−Ａ線で切断したカップ状シールの断面
図である。第３図は従来より用いられているカップ状シ
ール型の縦断面図である。第４図及び第５図は本考案の一実施例を示し、第４図は
カップ状シール型の縦断面図である。第５図はカップ状
シール型を分離した状態の縦断面図である。第６図は本
考案の他の実施例のカップ状シール型の縦断面図である
。図中、１はカップ状シール、２は下端部、２ａは下端面
、２ｂは内側面、３は外側突部、４は内側突部、５は上
端部、６は外側シールリップ、７は突起、７ａは突起の
上面、７ｂは突起の側周面、８は内側シールリップ、２
１は上型（型部分）、２２は下型（型部分）、２３は下
型の型面、２４は上型の型面、２９及び３２は挿入ピン
を示す。第１図　　　　　　　第２図第３図FIG. 1 is a plan view of a typical cup-shaped seal. Second
The figure is a sectional view of the cup-shaped seal taken along line A--A in FIG. 1. FIG. 3 is a longitudinal sectional view of a conventionally used cup-shaped seal type. 4 and 5 show an embodiment of the present invention, and FIG. 4 is a longitudinal sectional view of a cup-shaped seal type. FIG. 5 is a longitudinal sectional view of the cup-shaped seal mold in a separated state. FIG. 6 is a longitudinal sectional view of a cup-shaped seal type according to another embodiment of the present invention. In the figure, 1 is a cup-shaped seal, 2 is a lower end, 2a is a lower end surface, 2b is an inner surface, 3 is an outer protrusion, 4 is an inner protrusion, 5 is an upper end, 6 is an outer seal lip, and 7 is a protrusion. , 7a is the upper surface of the protrusion, 7b is the side peripheral surface of the protrusion, 8 is the inner seal lip, 2
1 is an upper mold (mold part), 22 is a lower mold (mold part), 23 is a mold surface of the lower mold, 24 is a mold surface of the upper mold, and 29 and 32 are insertion pins. Figure 1 Figure 2 Figure 3

Claims

[Scope of utility model registration request]

(1) The lower end is composed of a single cylindrical shape, and the upper end is composed of a ring-shaped outer protrusion and a ring-shaped inner protrusion, which are arranged concentrically, and the outer protrusion is a circle that protrudes outward. at least two molds each having a cavity for molding a cup-shaped seal having a circular outer seal lip and a plurality of protrusions on the upper end surface, the inner protrusion having a circular inner seal lip protruding inward; a cup-shaped seal mold consisting of two mold parts, one of the two mold parts having a mold surface forming a lower end surface of the lower end of the cup-shaped seal; has a mold surface that forms the outer peripheral surface of the lower end, all surfaces of the outer protrusion, and the outer surface of the inner protrusion, and of the other mold part, the upper end surface of the outer protrusion A cup-shaped seal mold characterized in that a mold surface forming at least an upper surface of the protrusion is formed by an insertion pin inserted and fixed into the other mold part from the outside.

(2) The cup-shaped seal mold according to claim 1, wherein the mold surface forming the side circumferential surface and the upper surface of the projection of the outer protrusion is formed by an insertion pin.