JPH0390924U - - Google Patents
Info
- Publication number
- JPH0390924U JPH0390924U JP15085289U JP15085289U JPH0390924U JP H0390924 U JPH0390924 U JP H0390924U JP 15085289 U JP15085289 U JP 15085289U JP 15085289 U JP15085289 U JP 15085289U JP H0390924 U JPH0390924 U JP H0390924U
- Authority
- JP
- Japan
- Prior art keywords
- mold
- flow passage
- molding
- gas
- molding part
- 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
- 238000000465 moulding Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 claims 2
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 238000013022 venting Methods 0.000 description 2
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Description
第１図及び第２図は本考案の実施例である射出
成形用金型の成形部を示す平面図、第３図は前記
射出成形用金型で成形された成形品の例としてカ
セツトテープ用ハーフを示す斜視図、第４図及び
第５図ａ，ｂは前記射出成形用金型の気体導入口
及び気体排出口の構造の例を示す一部拡大断面図
、第６図は本考案の他の実施例である射出成形用
金型を示す全体構成図、第７図ａ，ｂ及びｃは金
型に形成する空気の通路の構造の例を示す要部拡
大断面斜視図である。
１０，１０′……固定側の型、１１，１１′…
…成形部、１２，１２′……ガス抜きの小孔用の
溝、２０，２０′……可動側の型、２１……成形
部、１３，１３′……ガス抜通路用の溝、１４，
１４′……気体流通路用の溝、１５，１５′……
気体導入口、１６，１６′……気体排出口、１７
，１７′……絞り部、１８……小孔用の溝。
FIGS. 1 and 2 are plan views showing the molding part of an injection mold according to an embodiment of the present invention, and FIG. 3 is a cassette tape as an example of a molded product molded with the injection mold. FIG. 4 and FIG. 5 a and b are partially enlarged sectional views showing an example of the structure of the gas inlet and gas outlet of the injection mold, and FIG. 6 is a perspective view showing the half. FIGS. 7A, 7B, and 7C are enlarged sectional perspective views of essential parts showing examples of the structure of air passages formed in the mold. 10, 10'... fixed side mold, 11, 11'...
... Molding part, 12, 12'... Groove for gas venting small hole, 20, 20'... Movable side mold, 21... Molding part, 13, 13'... Groove for gas venting passage, 14 ，
14'... Groove for gas flow passage, 15, 15'...
Gas inlet, 16, 16'...Gas outlet, 17
, 17'...Aperture part, 18...Slot for small hole.
Claims (1)
形部が形成された射出成形用金型であつて、前記
成形部に通じるガス抜通路と、前記成形部の周囲
に気体流通路を設け、該気体流通路に一部流路断
面積が狭くなつた絞り部を形成すると共に、前記
絞り部に前記ガス抜通路を連通させたことを特徴
とする射出成形用金型。 An injection mold having a molding part for injection molding synthetic resin into a predetermined shape, the mold having a gas vent passage leading to the molding part and a gas flow passage around the molding part. A mold for injection molding, characterized in that a constricted part having a partially narrowed cross-sectional area of the flow passage is formed in the gas flow passage, and the gas vent passage is communicated with the constricted part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15085289U JPH0727141Y2 (en) | 1989-12-30 | 1989-12-30 | Injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15085289U JPH0727141Y2 (en) | 1989-12-30 | 1989-12-30 | Injection mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0390924U true JPH0390924U (en) | 1991-09-17 |
| JPH0727141Y2 JPH0727141Y2 (en) | 1995-06-21 |
Family
ID=31697184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15085289U Expired - Lifetime JPH0727141Y2 (en) | 1989-12-30 | 1989-12-30 | Injection mold |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0727141Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005238603A (en) * | 2004-02-26 | 2005-09-08 | Kanagawa Seiki Kk | Injection mold assembly |
| JP2008524038A (en) * | 2004-12-23 | 2008-07-10 | イエイル プレシジオン インダストリアル カンパニー リミテッド | Mold for molding |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101517586B1 (en) * | 2013-12-17 | 2015-05-04 | 아이아(주) | Gas exhauster for injection molding |
-
1989
- 1989-12-30 JP JP15085289U patent/JPH0727141Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005238603A (en) * | 2004-02-26 | 2005-09-08 | Kanagawa Seiki Kk | Injection mold assembly |
| JP2008524038A (en) * | 2004-12-23 | 2008-07-10 | イエイル プレシジオン インダストリアル カンパニー リミテッド | Mold for molding |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0727141Y2 (en) | 1995-06-21 |