JPS61155114U - - Google Patents
Info
- Publication number
- JPS61155114U JPS61155114U JP1985039122U JP3912285U JPS61155114U JP S61155114 U JPS61155114 U JP S61155114U JP 1985039122 U JP1985039122 U JP 1985039122U JP 3912285 U JP3912285 U JP 3912285U JP S61155114 U JPS61155114 U JP S61155114U
- Authority
- JP
- Japan
- Prior art keywords
- extruder
- rotating screw
- helical
- helical direction
- heating cylinder
- 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 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 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
- B29C48/62—Screws characterised by the shape of the thread channel, e.g. U-shaped
-
- 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
-
- 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
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 |
|---|---|---|---|
| JP1985039122U JPH0223394Y2 (US07655688-20100202-C00548.png) | 1985-03-18 | 1985-03-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985039122U JPH0223394Y2 (US07655688-20100202-C00548.png) | 1985-03-18 | 1985-03-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61155114U true JPS61155114U (US07655688-20100202-C00548.png) | 1986-09-26 |
| JPH0223394Y2 JPH0223394Y2 (US07655688-20100202-C00548.png) | 1990-06-26 |
Family
ID=30546775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985039122U Expired JPH0223394Y2 (US07655688-20100202-C00548.png) | 1985-03-18 | 1985-03-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0223394Y2 (US07655688-20100202-C00548.png) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5967224U (ja) * | 1982-10-25 | 1984-05-07 | 中村 謙作 | 押出機 |
| JPS5967225U (ja) * | 1982-10-25 | 1984-05-07 | 中村 謙作 | 押出機 |
-
1985
- 1985-03-18 JP JP1985039122U patent/JPH0223394Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5967224U (ja) * | 1982-10-25 | 1984-05-07 | 中村 謙作 | 押出機 |
| JPS5967225U (ja) * | 1982-10-25 | 1984-05-07 | 中村 謙作 | 押出機 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0223394Y2 (US07655688-20100202-C00548.png) | 1990-06-26 |
