JPS59120124U

JPS59120124U - injection mold

Info

Publication number: JPS59120124U
Application number: JP1411783U
Authority: JP
Inventors: 新井上
Original assignee: 三菱鉛筆株式会社
Priority date: 1983-02-02
Filing date: 1983-02-02
Publication date: 1984-08-13

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 drawings]

第１図及び第２図は従来例を示す要部断面図、第３図乃
至第６図は本考案の実施例を示すもので第３図は成形品
離型前の状態図、第４図は第３図Ａ−Ａ線に於ける断面
図、第５図は成形品離型後：　　の状態図、第６図は第
５図Ａ’−Ａ’線に於ける断面図である。゛　　　１・・・突出ピン、２・・・スライドピース、
３．３・′・・・キャビティ、４・・・型板、５・・・
ランナー、６・・・ボス形成用孔部、７・・・受は板、
８．．８’・・・エジェクタープレート、９．　９’・
・・孔、１０・・・スプルー、１１・・・分割線、１２
・・・アングルピン、イ・・・成形品、口・・・ランナ
ー、ハ・・・タブ、二・・・ボス部。Figures 1 and 2 are sectional views of main parts showing a conventional example, Figures 3 to 6 show embodiments of the present invention, Figure 3 is a state diagram of a molded product before release, and Figure 4 3 is a cross-sectional view taken along the line A-A in FIG. 3, FIG. 5 is a state diagram of the molded product after being released from the mold, and FIG. 6 is a cross-sectional view taken along the line A'-A' in FIG.゛ 1...Protruding pin, 2...Slide piece,
3.3・′...cavity, 4...template, 5...
Runner, 6...boss forming hole, 7...receiver is plate,
8. ．． 8'... Ejector plate, 9. 9'・
... Hole, 10 ... Sprue, 11 ... Parting line, 12
...Angle pin, A...Molded product, Mouth...Runner, C...Tab, 2...Boss part.

Claims

[Scope of utility model registration request]

A mold for injection molding, characterized in that a boss portion is integrally molded on a runner connected to a molded product, and the molded product is released from a mold plate by pressing the boss portion with a protruding pin.