JPS61175424U - - Google Patents
Info
- Publication number
- JPS61175424U JPS61175424U JP5941085U JP5941085U JPS61175424U JP S61175424 U JPS61175424 U JP S61175424U JP 5941085 U JP5941085 U JP 5941085U JP 5941085 U JP5941085 U JP 5941085U JP S61175424 U JPS61175424 U JP S61175424U
- Authority
- JP
- Japan
- Prior art keywords
- tunnel gate
- molding section
- product molding
- product
- tunnel
- 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 3
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Description
第１図は本考案の一実施例に係るトンネルゲー
ト構造を示す断面図、第２図は第１図のトンネル
ゲートの先端開口部の形状を示す矢視拡大図、
第３図は従来のトンネルゲート構造の一例を示す
断面図、第４図は第２図のトンネルゲートの先端
開口部の形状を示す矢視拡大図、第５図は第２
図のものによつて得られる成形品の剥離箇所を示
す斜視図である。
１…トンネルゲート、３…製品成形部、４…突
起。
FIG. 1 is a sectional view showing a tunnel gate structure according to an embodiment of the present invention, and FIG. 2 is an enlarged view in the direction of arrows showing the shape of the tip opening of the tunnel gate in FIG. 1.
FIG. 3 is a cross-sectional view showing an example of a conventional tunnel gate structure, FIG. 4 is an enlarged view in the direction of arrows showing the shape of the tip opening of the tunnel gate in FIG. 2, and FIG.
FIG. 2 is a perspective view showing a peeled portion of a molded product obtained by the method shown in the figure. 1...Tunnel gate, 3...Product molding part, 4...Protrusion.
Claims (1)
成されたトンネルゲートにおいて、該トンネルゲ
ート先端の前記製品成形部の壁面と鈍角をなす内
壁に、成形品とトンネルゲート内樹脂との連接部
にノツチを形成する突起を設けたことを特徴とす
る射出成形金型のトンネルゲート構造。 In a tunnel gate formed to communicate obliquely with the product molding section, a notch is provided at the connecting portion between the molded product and the resin in the tunnel gate on an inner wall forming an obtuse angle with the wall surface of the product molding section at the tip of the tunnel gate. A tunnel gate structure for an injection mold, characterized by having a projection formed therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5941085U JPH031238Y2 (en) | 1985-04-20 | 1985-04-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5941085U JPH031238Y2 (en) | 1985-04-20 | 1985-04-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61175424U true JPS61175424U (en) | 1986-11-01 |
| JPH031238Y2 JPH031238Y2 (en) | 1991-01-16 |
Family
ID=30585815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5941085U Expired JPH031238Y2 (en) | 1985-04-20 | 1985-04-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH031238Y2 (en) |
-
1985
- 1985-04-20 JP JP5941085U patent/JPH031238Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH031238Y2 (en) | 1991-01-16 |