JPS5577543A - Valve nozzle for injection molding machine - Google Patents
Valve nozzle for injection molding machineInfo
- Publication number
- JPS5577543A JPS5577543A JP14970178A JP14970178A JPS5577543A JP S5577543 A JPS5577543 A JP S5577543A JP 14970178 A JP14970178 A JP 14970178A JP 14970178 A JP14970178 A JP 14970178A JP S5577543 A JPS5577543 A JP S5577543A
- Authority
- JP
- Japan
- Prior art keywords
- piston
- cylinder
- valve
- smaller
- end portion
- 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 title 1
- 239000000463 material Substances 0.000 abstract 4
- 239000011347 resin Substances 0.000 abstract 3
- 229920005989 resin Polymers 0.000 abstract 3
- 238000002347 injection Methods 0.000 abstract 2
- 239000007924 injection Substances 0.000 abstract 2
- 230000007423 decrease Effects 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/20—Injection nozzles
- B29C45/23—Feed stopping equipment
- B29C45/234—Valves opened by the pressure of the moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/28—Closure devices therefor
- B29C45/2806—Closure devices therefor consisting of needle valve systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/28—Closure devices therefor
- B29C45/2806—Closure devices therefor consisting of needle valve systems
- B29C2045/2882—Closure devices therefor consisting of needle valve systems closing by a movement in the counterflow direction
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14970178A JPS5577543A (en) | 1978-12-05 | 1978-12-05 | Valve nozzle for injection molding machine |
DE7979104597T DE2966731D1 (en) | 1978-12-05 | 1979-11-19 | Valve nozzle for an injection molding machine |
EP79104597A EP0011805B1 (en) | 1978-12-05 | 1979-11-19 | Valve nozzle for an injection molding machine |
US06/098,742 US4285661A (en) | 1978-12-05 | 1979-11-30 | Valve nozzle of injection molding machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14970178A JPS5577543A (en) | 1978-12-05 | 1978-12-05 | Valve nozzle for injection molding machine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5577543A true JPS5577543A (en) | 1980-06-11 |
JPS6138010B2 JPS6138010B2 (ja) | 1986-08-27 |
Family
ID=15480920
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14970178A Granted JPS5577543A (en) | 1978-12-05 | 1978-12-05 | Valve nozzle for injection molding machine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5577543A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0550464A (ja) * | 1991-08-21 | 1993-03-02 | Nippondenso Co Ltd | ホツトランナー式射出成形金型 |
KR101184131B1 (ko) | 2009-01-04 | 2012-09-19 | 최영철 | 무동력 자동 밸브 게이트 장치 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0345814U (ja) * | 1989-09-11 | 1991-04-26 | ||
JPH061218U (ja) * | 1992-06-12 | 1994-01-11 | スミ株式会社 | 包装容器 |
-
1978
- 1978-12-05 JP JP14970178A patent/JPS5577543A/ja active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0550464A (ja) * | 1991-08-21 | 1993-03-02 | Nippondenso Co Ltd | ホツトランナー式射出成形金型 |
KR101184131B1 (ko) | 2009-01-04 | 2012-09-19 | 최영철 | 무동력 자동 밸브 게이트 장치 |
Also Published As
Publication number | Publication date |
---|---|
JPS6138010B2 (ja) | 1986-08-27 |
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