JPH0377613U - - Google Patents
Info
- Publication number
- JPH0377613U JPH0377613U JP13861189U JP13861189U JPH0377613U JP H0377613 U JPH0377613 U JP H0377613U JP 13861189 U JP13861189 U JP 13861189U JP 13861189 U JP13861189 U JP 13861189U JP H0377613 U JPH0377613 U JP H0377613U
- Authority
- JP
- Japan
- Prior art keywords
- needle
- nozzle
- tip
- conical
- opening
- 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
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Description
第１図は本考案のニードル弁ノズルの断面図、
第２図は本考案のニードル弁ノズルの拡大断面図
、第３図は従来のニードル弁ノズルの断面図、第
４図は従来のニードル弁ノズルの先端部の拡大断
面図である。
１……ノズル、２……ニードル、１１……開口
、１２……円錐部、２１……テーパ部。
Figure 1 is a sectional view of the needle valve nozzle of the present invention;
FIG. 2 is an enlarged sectional view of the needle valve nozzle of the present invention, FIG. 3 is a sectional view of a conventional needle valve nozzle, and FIG. 4 is an enlarged sectional view of the tip of the conventional needle valve nozzle. DESCRIPTION OF SYMBOLS 1... Nozzle, 2... Needle, 11... Opening, 12... Cone part, 21... Taper part.
Claims (1)
後進可能にニードルを配設し、ノズルの先端に形
成した開口に該ニードルを接離させて樹脂を射出
するニードル弁ノズルにおいて、 (a) 上記開口の内方端に、ニードルの先端の円
錐部に対向するテーパ部を形成し、 (b) 該テーパ部は、ニードルを最も前方に移動
させて当接させた時に、上記円錐部を完全に包囲
する大きさを有することを特徴とするニードル弁
ノズル。[Claim for Utility Model Registration] A needle valve in which a needle is disposed in a nozzle connected to the front of a heating cylinder so as to be movable back and forth, and the needle is moved toward and away from an opening formed at the tip of the nozzle to inject resin. In the nozzle, (a) a tapered part is formed at the inner end of the opening to face the conical part at the tip of the needle, and (b) the tapered part is formed when the needle is moved most forward and comes into contact with the conical part. , a needle valve nozzle having a size that completely surrounds the conical portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989138611U JPH0756180Y2 (en) | 1989-12-01 | 1989-12-01 | Needle valve nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989138611U JPH0756180Y2 (en) | 1989-12-01 | 1989-12-01 | Needle valve nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0377613U true JPH0377613U (en) | 1991-08-05 |
| JPH0756180Y2 JPH0756180Y2 (en) | 1995-12-25 |
Family
ID=31685700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989138611U Expired - Lifetime JPH0756180Y2 (en) | 1989-12-01 | 1989-12-01 | Needle valve nozzle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0756180Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55146723A (en) * | 1979-05-01 | 1980-11-15 | Nissei Plastics Ind Co | Valve nozzle for injection molding |
| JPS61137717A (en) * | 1984-12-10 | 1986-06-25 | Mitsubishi Heavy Ind Ltd | Injection molding machine |
-
1989
- 1989-12-01 JP JP1989138611U patent/JPH0756180Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55146723A (en) * | 1979-05-01 | 1980-11-15 | Nissei Plastics Ind Co | Valve nozzle for injection molding |
| JPS61137717A (en) * | 1984-12-10 | 1986-06-25 | Mitsubishi Heavy Ind Ltd | Injection molding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0756180Y2 (en) | 1995-12-25 |