JPS5142767A - - Google Patents
Info
- Publication number
- JPS5142767A JPS5142767A JP49116982A JP11698274A JPS5142767A JP S5142767 A JPS5142767 A JP S5142767A JP 49116982 A JP49116982 A JP 49116982A JP 11698274 A JP11698274 A JP 11698274A JP S5142767 A JPS5142767 A JP S5142767A
- Authority
- JP
- Japan
- 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
- B29C48/535—Screws with thread pitch varying along the longitudinal axis
-
- 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
-
- 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
- B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP49116982A JPS5142767A (fr) | 1974-10-09 | 1974-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP49116982A JPS5142767A (fr) | 1974-10-09 | 1974-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5142767A true JPS5142767A (fr) | 1976-04-12 |
Family
ID=14700550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49116982A Pending JPS5142767A (fr) | 1974-10-09 | 1974-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5142767A (fr) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60129233A (ja) * | 1983-12-16 | 1985-07-10 | Purakoo:Kk | 熱可塑性合成樹脂押出方法及びその押出機 |
| WO2002055282A1 (fr) * | 2001-01-11 | 2002-07-18 | Sekisui Chemical Co., Ltd. | Dispositif de formation pour piece formee en resine thermoplastique |
| CN101890801A (zh) * | 2010-04-27 | 2010-11-24 | 昆山科信橡塑机械有限公司 | 低烟无卤料下阶螺杆 |
| JP2020157480A (ja) * | 2019-03-25 | 2020-10-01 | 株式会社カツロン | 発泡樹脂押出装置 |
-
1974
- 1974-10-09 JP JP49116982A patent/JPS5142767A/ja active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60129233A (ja) * | 1983-12-16 | 1985-07-10 | Purakoo:Kk | 熱可塑性合成樹脂押出方法及びその押出機 |
| WO2002055282A1 (fr) * | 2001-01-11 | 2002-07-18 | Sekisui Chemical Co., Ltd. | Dispositif de formation pour piece formee en resine thermoplastique |
| JP2002205319A (ja) * | 2001-01-11 | 2002-07-23 | Sekisui Chem Co Ltd | 熱可塑性樹脂成形品の成形装置 |
| US6652254B2 (en) | 2001-01-11 | 2003-11-25 | Sekisui Chemical Co., Ltd. | Molding apparatus including screw for molded articles of thermoplastic gas impregnated resin |
| KR100832819B1 (ko) | 2001-01-11 | 2008-05-28 | 세키스이가가쿠 고교가부시키가이샤 | 열가소성 수지 성형품의 사출 성형 장치 |
| CN101890801A (zh) * | 2010-04-27 | 2010-11-24 | 昆山科信橡塑机械有限公司 | 低烟无卤料下阶螺杆 |
| JP2020157480A (ja) * | 2019-03-25 | 2020-10-01 | 株式会社カツロン | 発泡樹脂押出装置 |