JPH0217321U - - Google Patents
Info
- Publication number
- JPH0217321U JPH0217321U JP1988095716U JP9571688U JPH0217321U JP H0217321 U JPH0217321 U JP H0217321U JP 1988095716 U JP1988095716 U JP 1988095716U JP 9571688 U JP9571688 U JP 9571688U JP H0217321 U JPH0217321 U JP H0217321U
- Authority
- JP
- Japan
- Prior art keywords
- barrel
- axial direction
- screw
- cross
- polygon
- 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
- 238000004898 kneading Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 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
- 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
- B29C48/57—Screws provided with kneading disc-like elements, e.g. with oval-shaped elements
-
- 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
- B29C48/55—Screws having reverse-feeding elements
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 |
|---|---|---|---|
| JP1988095716U JPH0540996Y2 (US08063081-20111122-C00044.png) | 1988-07-21 | 1988-07-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988095716U JPH0540996Y2 (US08063081-20111122-C00044.png) | 1988-07-21 | 1988-07-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0217321U true JPH0217321U (US08063081-20111122-C00044.png) | 1990-02-05 |
| JPH0540996Y2 JPH0540996Y2 (US08063081-20111122-C00044.png) | 1993-10-18 |
Family
ID=31320422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988095716U Expired - Lifetime JPH0540996Y2 (US08063081-20111122-C00044.png) | 1988-07-21 | 1988-07-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0540996Y2 (US08063081-20111122-C00044.png) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2436503A1 (en) * | 2010-09-30 | 2012-04-04 | The Japan Steel Works, Ltd. | Apparatus and method for plastic extrusion |
| JP2014091213A (ja) * | 2012-10-31 | 2014-05-19 | Japan Steel Works Ltd:The | プラスチックの押出方法及びプラスチックの押出用シリンダ |
-
1988
- 1988-07-21 JP JP1988095716U patent/JPH0540996Y2/ja not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2436503A1 (en) * | 2010-09-30 | 2012-04-04 | The Japan Steel Works, Ltd. | Apparatus and method for plastic extrusion |
| JP2012076254A (ja) * | 2010-09-30 | 2012-04-19 | Japan Steel Works Ltd:The | プラスチックの押出方法及び装置 |
| CN102441977A (zh) * | 2010-09-30 | 2012-05-09 | 株式会社日本制钢所 | 用于塑料挤出的设备和方法 |
| US8870441B2 (en) | 2010-09-30 | 2014-10-28 | The Japan Steel Works, Ltd. | Apparatus and method for plastic extrusion |
| JP2014091213A (ja) * | 2012-10-31 | 2014-05-19 | Japan Steel Works Ltd:The | プラスチックの押出方法及びプラスチックの押出用シリンダ |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0540996Y2 (US08063081-20111122-C00044.png) | 1993-10-18 |
