JPS6114415Y2 - - Google Patents
Info
- Publication number
- JPS6114415Y2 JPS6114415Y2 JP1981003420U JP342081U JPS6114415Y2 JP S6114415 Y2 JPS6114415 Y2 JP S6114415Y2 JP 1981003420 U JP1981003420 U JP 1981003420U JP 342081 U JP342081 U JP 342081U JP S6114415 Y2 JPS6114415 Y2 JP S6114415Y2
- Authority
- JP
- Japan
- Prior art keywords
- kneading roller
- communication groove
- outer periphery
- raw material
- extruder
- 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.)
- Expired
Links
- 238000004898 kneading Methods 0.000 claims description 20
- 239000002994 raw material Substances 0.000 description 12
- 239000011347 resin Substances 0.000 description 12
- 229920005989 resin Polymers 0.000 description 12
- 238000003756 stirring Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 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
- B29C48/56—Screws having grooves or cavities other than the thread or the channel
-
- 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 |
|---|---|---|---|
| JP1981003420U JPS6114415Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-01-12 | 1981-01-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981003420U JPS6114415Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-01-12 | 1981-01-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57116427U JPS57116427U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1982-07-19 |
| JPS6114415Y2 true JPS6114415Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-05-06 |
Family
ID=29801850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1981003420U Expired JPS6114415Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-01-12 | 1981-01-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6114415Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10532490B2 (en) | 2016-04-06 | 2020-01-14 | Davis-Standard, Llc | Plasticating apparatus screw having grooves of varying angles and depths |
-
1981
- 1981-01-12 JP JP1981003420U patent/JPS6114415Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57116427U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1982-07-19 |