JPS642496B2 - - Google Patents
Info
- Publication number
- JPS642496B2 JPS642496B2 JP59208908A JP20890884A JPS642496B2 JP S642496 B2 JPS642496 B2 JP S642496B2 JP 59208908 A JP59208908 A JP 59208908A JP 20890884 A JP20890884 A JP 20890884A JP S642496 B2 JPS642496 B2 JP S642496B2
- Authority
- JP
- Japan
- Prior art keywords
- flight
- auxiliary
- zone
- main flight
- screw
- 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
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 239000012071 phase Substances 0.000 claims description 6
- 230000010006 flight Effects 0.000 claims description 5
- 238000001746 injection moulding Methods 0.000 claims description 5
- 239000011295 pitch Substances 0.000 claims description 5
- 239000007790 solid phase Substances 0.000 claims description 4
- 238000010137 moulding (plastic) Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 description 13
- 229920005989 resin Polymers 0.000 description 13
- 238000004898 kneading Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 230000032258 transport 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
- B29C48/64—Screws with two or more threads
- B29C48/65—Screws with two or more threads neighbouring threads or channels having different configurations, e.g. one thread being lower than its neighbouring thread
-
- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59208908A JPS6186232A (ja) | 1984-10-04 | 1984-10-04 | プラスチツク成形用スクリユ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59208908A JPS6186232A (ja) | 1984-10-04 | 1984-10-04 | プラスチツク成形用スクリユ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6186232A JPS6186232A (ja) | 1986-05-01 |
| JPS642496B2 true JPS642496B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-01-17 |
Family
ID=16564112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59208908A Granted JPS6186232A (ja) | 1984-10-04 | 1984-10-04 | プラスチツク成形用スクリユ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6186232A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH077136Y2 (ja) * | 1989-07-21 | 1995-02-22 | 住友重機械工業株式会社 | 射出成形用スクリュー |
-
1984
- 1984-10-04 JP JP59208908A patent/JPS6186232A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6186232A (ja) | 1986-05-01 |