JPH038516U - - Google Patents
Info
- Publication number
- JPH038516U JPH038516U JP6915589U JP6915589U JPH038516U JP H038516 U JPH038516 U JP H038516U JP 6915589 U JP6915589 U JP 6915589U JP 6915589 U JP6915589 U JP 6915589U JP H038516 U JPH038516 U JP H038516U
- Authority
- JP
- Japan
- Prior art keywords
- gate
- molten resin
- mold
- opening
- pressure molding
- 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)
Description
第１図はこの考案に係る溶融樹脂加圧成型装置
における溶融樹脂ゲート構造の一実施例の要部の
縦断面図、第２図はその溶融樹脂加圧成型装置の
要部の縦断面図、第３図はこの考案に係るゲート
構造の概略断面図、第４図はその変形例の概略断
面図、第５図は従来のゲート構造の概略断面図、
第６図はその溶融樹脂が固形した残樹脂がゲート
口に付着した場合の断面説明図である。
１……下型、３ａ……ゲート孔口、３Ｂ……ゲ
ートピン側内側面、３ｃ……テーパ孔、４……ゲ
ートピン。
FIG. 1 is a vertical sectional view of a main part of an embodiment of a molten resin gate structure in a molten resin pressure molding apparatus according to this invention, and FIG. 2 is a longitudinal sectional view of a main part of the molten resin pressure molding apparatus. FIG. 3 is a schematic sectional view of a gate structure according to this invention, FIG. 4 is a schematic sectional view of a modified example thereof, and FIG. 5 is a schematic sectional view of a conventional gate structure.
FIG. 6 is an explanatory cross-sectional view of the case where the remaining resin, which is the solidified molten resin, adheres to the gate opening. 1...Lower mold, 3a...Gate hole opening, 3B...Gate pin side inner surface, 3c...Tapered hole, 4...Gate pin.
Claims (1)
加圧成型装置の前記下型の所定位置に設けられ、
ゲート口を開閉するゲートピンの前記ゲート口か
らの離脱によつて溶融樹脂が金型装置内に供給さ
れるゲートにおいて、ゲート孔口のゲートピン側
内側面がゲートピン先端角度より鈍角に形成され
、このゲート孔口から金型内面に向けて拡径する
適宜長さのテーパ孔が形成されてなる溶融樹脂加
圧成型装置における溶融樹脂ゲート構造。 Provided at a predetermined position of the lower mold of a molten resin pressure molding device equipped with a mold device having an upper mold and a lower mold,
In a gate in which molten resin is supplied into a mold device by detachment of a gate pin that opens and closes the gate opening from the gate opening, the inner surface of the gate opening on the gate pin side is formed at an obtuse angle than the tip angle of the gate pin. A molten resin gate structure in a molten resin pressure molding apparatus in which a tapered hole of an appropriate length is formed whose diameter expands from the hole opening toward the inner surface of the mold.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989069155U JPH0540985Y2 (en) | 1989-06-13 | 1989-06-13 | |
| US07/858,421 US5338182A (en) | 1989-06-13 | 1992-03-24 | Pressure molding apparatus for molten resin |
| US08/462,538 US5545023A (en) | 1989-06-13 | 1995-06-05 | Pressure molding apparatus for molten resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989069155U JPH0540985Y2 (en) | 1989-06-13 | 1989-06-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH038516U true JPH038516U (en) | 1991-01-28 |
| JPH0540985Y2 JPH0540985Y2 (en) | 1993-10-18 |
Family
ID=31604212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989069155U Expired - Lifetime JPH0540985Y2 (en) | 1989-06-13 | 1989-06-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0540985Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6255419U (en) * | 1985-09-27 | 1987-04-06 |
-
1989
- 1989-06-13 JP JP1989069155U patent/JPH0540985Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6255419U (en) * | 1985-09-27 | 1987-04-06 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0540985Y2 (en) | 1993-10-18 |
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