JPS5339360A - Method of producing bridged polyolefin mold - Google Patents
Method of producing bridged polyolefin moldInfo
- Publication number
- JPS5339360A JPS5339360A JP11397076A JP11397076A JPS5339360A JP S5339360 A JPS5339360 A JP S5339360A JP 11397076 A JP11397076 A JP 11397076A JP 11397076 A JP11397076 A JP 11397076A JP S5339360 A JPS5339360 A JP S5339360A
- Authority
- JP
- Japan
- Prior art keywords
- polyolefin mold
- producing bridged
- producing
- mold
- bridged polyolefin
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/565—Screws having projections other than the thread, e.g. pins
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
- B29C48/385—Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in separate barrels
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/51—Screws with internal flow passages, e.g. for molten material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11397076A JPS5339360A (en) | 1976-09-22 | 1976-09-22 | Method of producing bridged polyolefin mold |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11397076A JPS5339360A (en) | 1976-09-22 | 1976-09-22 | Method of producing bridged polyolefin mold |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5339360A true JPS5339360A (en) | 1978-04-11 |
Family
ID=14625765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11397076A Pending JPS5339360A (en) | 1976-09-22 | 1976-09-22 | Method of producing bridged polyolefin mold |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5339360A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4747987A (en) * | 1984-11-30 | 1988-05-31 | Bayer Aktiengesellschaft | Process for the production of filler-containing acrylic and modacrylic fibers |
JP2005193670A (en) * | 2004-01-02 | 2005-07-21 | Everfocus Worldwide Co Ltd | The formation method which enables the control of fine open cell core in fluid polymer material, and its apparatus |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS48100479A (en) * | 1972-04-01 | 1973-12-18 |
-
1976
- 1976-09-22 JP JP11397076A patent/JPS5339360A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS48100479A (en) * | 1972-04-01 | 1973-12-18 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4747987A (en) * | 1984-11-30 | 1988-05-31 | Bayer Aktiengesellschaft | Process for the production of filler-containing acrylic and modacrylic fibers |
JP2005193670A (en) * | 2004-01-02 | 2005-07-21 | Everfocus Worldwide Co Ltd | The formation method which enables the control of fine open cell core in fluid polymer material, and its apparatus |
JP4559846B2 (en) * | 2004-01-02 | 2010-10-13 | エバーフォーカス ワールドワイド カンパニー リミテッド | Generation method and apparatus capable of controlling microbubble nuclei in fluid polymer material |
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