JPS6088713U - open core - Google Patents
open coreInfo
- Publication number
- JPS6088713U JPS6088713U JP18056783U JP18056783U JPS6088713U JP S6088713 U JPS6088713 U JP S6088713U JP 18056783 U JP18056783 U JP 18056783U JP 18056783 U JP18056783 U JP 18056783U JP S6088713 U JPS6088713 U JP S6088713U
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical body
- cylinder
- core rod
- open core
- core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
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
第１図ないし第３図はこの考案の実施例を示すものであ
って、第１図はこの考案による開きコアの平面図、第２
図は第１図における■−■線矢視断面図、第３図は開き
コアから成形品を抜き取る際の状態を示した第２図と同
様の断面図である。
２・・・コア棒、３・・・筒体、３ａ・・・外周面、３
ｂ・・・溝、４・・・分割部材、５・・・分割部材、７
・・・環状体。1 to 3 show examples of this invention, in which FIG. 1 is a plan view of the open core according to this invention, and FIG.
The figure is a sectional view taken along the line ■--■ in FIG. 1, and FIG. 3 is a sectional view similar to FIG. 2, showing a state when the molded product is extracted from the open core. 2... Core rod, 3... Cylindrical body, 3a... Outer peripheral surface, 3
b...Groove, 4...Divided member, 5...Divided member, 7
...Annular body.
Claims (1)
棒の軸方向に移動自在に設けられ、上記筒体に対するコ
ア棒の移動で上記分割部材が径方向に動いて筒体の外径
を縮小させるように構成された開きコアにおいて、上記
筒体の外周面に周方向に沿って溝が形成され、この溝に
弾性部材より成る環状体がその外周部を上記筒体の外周
面より外方へ突出させて嵌入されたことを特徴とする開
きコア。A cylinder made up of a plurality of divided members is provided on the outer surface of the core rod so as to be movable in the axial direction of the core rod, and as the core rod moves relative to the cylinder, the divided members move in the radial direction, changing the outer diameter of the cylinder. In the open core configured to reduce the size of the cylindrical body, a groove is formed along the circumferential direction on the outer peripheral surface of the cylindrical body, and an annular body made of an elastic member is installed in the groove so that the outer periphery of the cylindrical body is smaller than the outer periphery of the cylindrical body. An open core characterized by being inserted so as to protrude outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18056783U JPS6088713U (en) | 1983-11-22 | 1983-11-22 | open core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18056783U JPS6088713U (en) | 1983-11-22 | 1983-11-22 | open core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6088713U true JPS6088713U (en) | 1985-06-18 |
| JPS644491Y2 JPS644491Y2 (en) | 1989-02-06 |
Family
ID=30391488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18056783U Granted JPS6088713U (en) | 1983-11-22 | 1983-11-22 | open core |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6088713U (en) |
-
1983
- 1983-11-22 JP JP18056783U patent/JPS6088713U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS644491Y2 (en) | 1989-02-06 |
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