JPH0395217U - - Google Patents
Info
- Publication number
- JPH0395217U JPH0395217U JP368190U JP368190U JPH0395217U JP H0395217 U JPH0395217 U JP H0395217U JP 368190 U JP368190 U JP 368190U JP 368190 U JP368190 U JP 368190U JP H0395217 U JPH0395217 U JP H0395217U
- Authority
- JP
- Japan
- Prior art keywords
- flow path
- mold
- molded product
- gas flow
- gas
- 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
- 238000001746 injection moulding Methods 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 1
Description
第１図は本考案ガス圧入成形用金型断面図、第
２図は移動型Ｂの一部切欠斜視図、第３図は移動
型とゲート位置を示す断面図、第４図は本考案に
より成形された成形品の斜視図、第５図は実施例
１及び実施例２を説明するためのガス流路横断面
図、第６図は比較例１を説明するためのガス流路
横断面図である。
図において、Ａ……固定型、Ｂ……移動型、１
……成形品壁部形成部、２……ゲート、３……ガ
ス流路、４，４′，４″……リブ形成部、５……
ボス形成部、６……ランナー、７……中空部、ａ
……成形品壁部、ｂ……ガス圧入口、ｃ，ｃ′，
ｃ″……リブ、ｄ……ボス。
Fig. 1 is a cross-sectional view of the mold for gas pressure injection molding according to the present invention, Fig. 2 is a partially cutaway perspective view of movable mold B, Fig. 3 is a cross-sectional view showing the movable mold and the gate position, and Fig. 4 is the mold according to the present invention. A perspective view of a molded product, FIG. 5 is a cross-sectional view of a gas flow path for explaining Example 1 and Example 2, and FIG. 6 is a cross-sectional view of a gas flow path for explaining Comparative Example 1. It is. In the figure, A...Fixed type, B...Moveable type, 1
... Molded product wall forming part, 2... Gate, 3... Gas flow path, 4, 4', 4''... Rib forming part, 5...
Boss forming part, 6... runner, 7... hollow part, a
... Molded product wall, b ... Gas pressure inlet, c, c',
c''...Rib, d...Boss.
Claims (1)
ビテイ部と、前記成形品のヒケ発生防止を必要と
する部分の背部にガスを圧入するためのガス流路
が設けられている金型において、ゲートの位置が
ガス流路の高さ方向の中央あるいはそれより下と
されていることを特徴とするガス圧入成形用金型
。 A mold that is provided with a cavity part for forming the wall of the molded product to be molded, and a gas flow path for pressurizing gas into the back of the part of the molded product that requires prevention of sink marks, A mold for gas injection molding, characterized in that the gate is located at or below the center of the gas flow path in the height direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP368190U JPH0723223Y2 (en) | 1990-01-18 | 1990-01-18 | Gas press-fitting mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP368190U JPH0723223Y2 (en) | 1990-01-18 | 1990-01-18 | Gas press-fitting mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0395217U true JPH0395217U (en) | 1991-09-27 |
| JPH0723223Y2 JPH0723223Y2 (en) | 1995-05-31 |
Family
ID=31507488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP368190U Expired - Lifetime JPH0723223Y2 (en) | 1990-01-18 | 1990-01-18 | Gas press-fitting mold |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0723223Y2 (en) |
-
1990
- 1990-01-18 JP JP368190U patent/JPH0723223Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0723223Y2 (en) | 1995-05-31 |