JPH0413316U - - Google Patents
Info
- Publication number
- JPH0413316U JPH0413316U JP5567990U JP5567990U JPH0413316U JP H0413316 U JPH0413316 U JP H0413316U JP 5567990 U JP5567990 U JP 5567990U JP 5567990 U JP5567990 U JP 5567990U JP H0413316 U JPH0413316 U JP H0413316U
- Authority
- JP
- Japan
- Prior art keywords
- plunger
- pressure gas
- nozzle
- check valve
- 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
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 4
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Description
第１図は本考案の実施例に係る成形機用高圧ガ
ス圧入バルブの側断面図、第２図は第１図のＡ〜
Ａ断面図、第３図は従来の高圧ガス圧入バルブを
示す側断面図、第４図は第３図のＢ部の詳細断面
図である。
図の主要部分の説明、１……ノズル、５……射
出口、１０……逆止部、１１……プランジヤ、１
１ａ……テーパ座面、２……ポペツト（逆止弁）
、１３……逆止部、１４……ガス通路、１５……
開口部。
FIG. 1 is a side sectional view of a high-pressure gas injection valve for a molding machine according to an embodiment of the present invention, and FIG.
A sectional view, FIG. 3 is a side sectional view showing a conventional high-pressure gas injection valve, and FIG. 4 is a detailed sectional view of section B in FIG. 3. Explanation of the main parts of the figure, 1... Nozzle, 5... Injection port, 10... Non-return part, 11... Plunger, 1
1a... Tapered seat surface, 2... Poppet (check valve)
, 13... Check portion, 14... Gas passage, 15...
Aperture.
Claims (1)
接してノズルシール部を形成すると共に、前記プ
ランジヤ内のガス通路と開口部との間に逆止弁を
有し、前記成形用ノズルに続く型キヤビテイに高
圧ガスを圧入する高圧ガス圧入バルブにおいて、
プランジヤ内のガスの通路に設けた前記逆止弁を
テーパ部からなる面シール構造としたことを特徴
とする成形機用高圧ガス圧入バルブ。 The tip of the plunger comes into contact with the injection port of the molding nozzle to form a nozzle seal, and a check valve is provided between the gas passage and the opening in the plunger, and the mold cavity continues to the molding nozzle. In high-pressure gas injection valves that pressurize high-pressure gas into
A high-pressure gas injection valve for a molding machine, characterized in that the check valve provided in the gas passage in the plunger has a face seal structure consisting of a tapered part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990055679U JPH081060Y2 (en) | 1990-05-28 | 1990-05-28 | High pressure gas injection valve for molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990055679U JPH081060Y2 (en) | 1990-05-28 | 1990-05-28 | High pressure gas injection valve for molding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0413316U true JPH0413316U (en) | 1992-02-03 |
| JPH081060Y2 JPH081060Y2 (en) | 1996-01-17 |
Family
ID=31578849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990055679U Expired - Lifetime JPH081060Y2 (en) | 1990-05-28 | 1990-05-28 | High pressure gas injection valve for molding machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH081060Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51119063A (en) * | 1975-04-11 | 1976-10-19 | Asahi Dow Ltd | Injection molding machine |
| JPS6294022U (en) * | 1985-12-02 | 1987-06-16 |
-
1990
- 1990-05-28 JP JP1990055679U patent/JPH081060Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51119063A (en) * | 1975-04-11 | 1976-10-19 | Asahi Dow Ltd | Injection molding machine |
| JPS6294022U (en) * | 1985-12-02 | 1987-06-16 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH081060Y2 (en) | 1996-01-17 |