JPS648015A - Vent type injection molding machine for composite plastic - Google Patents
Vent type injection molding machine for composite plasticInfo
- Publication number
- JPS648015A JPS648015A JP16444687A JP16444687A JPS648015A JP S648015 A JPS648015 A JP S648015A JP 16444687 A JP16444687 A JP 16444687A JP 16444687 A JP16444687 A JP 16444687A JP S648015 A JPS648015 A JP S648015A
- Authority
- JP
- Japan
- Prior art keywords
- molding machine
- deaeration opening
- melting
- deaeration
- feeder
- 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.)
- Pending
Links
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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/58—Details
- B29C45/63—Venting or degassing means
-
- 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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/58—Details
- B29C45/60—Screws
- B29C2045/605—Screws comprising a zone or shape enhancing the degassing of the plastic material
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
PURPOSE:To mold composite resin of superior mechanism strength by providing a deaeration opening just in front of a melting and plasticizing zone when the composite resin is directly mixed injection molded without melting and mixing beforehand. CONSTITUTION:A deaeration opening E is provided in a position where a material fed from a feeder B into a hopper C is preheated in a cylinder feed section D. The water content adhered to the material and a filling material is evaporated and removed, and deterioration generated by hydrolysis of resin is prevented without having powerful shearing action in the following melting and plasticizing zone F. The material is only heated and not melted during the process up to the deaeration opening E, and in order to prevent the material from overflowing out of the deaeration opening, the material fed to a molding machine is so adjusted that a feed section D is in a starving state by a feeder B operated with a screw A of the molding machine. Also, the deaeration opening releases backflowing air properly to stabilize material feeding and not to fly and disperse a fine powder material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16444687A JPS648015A (en) | 1987-07-01 | 1987-07-01 | Vent type injection molding machine for composite plastic |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16444687A JPS648015A (en) | 1987-07-01 | 1987-07-01 | Vent type injection molding machine for composite plastic |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS648015A true JPS648015A (en) | 1989-01-12 |
Family
ID=15793324
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16444687A Pending JPS648015A (en) | 1987-07-01 | 1987-07-01 | Vent type injection molding machine for composite plastic |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS648015A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0952277A (en) * | 1995-08-14 | 1997-02-25 | Aokiko Kenkyusho:Kk | Injection molding and stretch blow molding method for preform of polyester resin |
JP2000094486A (en) * | 1999-07-30 | 2000-04-04 | Aoki Katashi Kenkyusho:Kk | Screw of injection device for blend resin |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54119554A (en) * | 1978-03-09 | 1979-09-17 | Nissei Plastics Ind Co | Bent type forning machine |
JPS5647847A (en) * | 1979-09-21 | 1981-04-30 | Nec Corp | Diagnostic system for logical device |
JPS59169826A (en) * | 1983-03-17 | 1984-09-25 | Ube Ind Ltd | Kneading plasticizing device of resin |
-
1987
- 1987-07-01 JP JP16444687A patent/JPS648015A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54119554A (en) * | 1978-03-09 | 1979-09-17 | Nissei Plastics Ind Co | Bent type forning machine |
JPS5647847A (en) * | 1979-09-21 | 1981-04-30 | Nec Corp | Diagnostic system for logical device |
JPS59169826A (en) * | 1983-03-17 | 1984-09-25 | Ube Ind Ltd | Kneading plasticizing device of resin |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0952277A (en) * | 1995-08-14 | 1997-02-25 | Aokiko Kenkyusho:Kk | Injection molding and stretch blow molding method for preform of polyester resin |
JP2000094486A (en) * | 1999-07-30 | 2000-04-04 | Aoki Katashi Kenkyusho:Kk | Screw of injection device for blend resin |
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