JPS5031890B2 - - Google Patents
Info
- Publication number
- JPS5031890B2 JPS5031890B2 JP46078322A JP7832271A JPS5031890B2 JP S5031890 B2 JPS5031890 B2 JP S5031890B2 JP 46078322 A JP46078322 A JP 46078322A JP 7832271 A JP7832271 A JP 7832271A JP S5031890 B2 JPS5031890 B2 JP S5031890B2
- 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.)
- Expired
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
- B29C48/53—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
- B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
- B29C48/38—Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in the same barrel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP46078322A JPS5031890B2 (ja) | 1971-10-07 | 1971-10-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP46078322A JPS5031890B2 (ja) | 1971-10-07 | 1971-10-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4843745A JPS4843745A (ja) | 1973-06-23 |
| JPS5031890B2 true JPS5031890B2 (ja) | 1975-10-16 |
Family
ID=13658703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP46078322A Expired JPS5031890B2 (ja) | 1971-10-07 | 1971-10-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5031890B2 (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4542833B2 (ja) * | 2003-06-23 | 2010-09-15 | 富士フイルム株式会社 | ドープ製造装置及び製造方法並びに溶液製膜方法，製品 |
| JP4682954B2 (ja) * | 2006-08-07 | 2011-05-11 | 三菱エンジニアリングプラスチックス株式会社 | 押出成形品の製造方法 |
| JP6122687B2 (ja) * | 2013-05-01 | 2017-04-26 | 積水化学工業株式会社 | ポリビニルアルコール溶液、ポリビニルアルコール溶液の製造方法、ポリビニルアルコールフィルムの製造方法及び積層フィルムの製造方法 |
-
1971
- 1971-10-07 JP JP46078322A patent/JPS5031890B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4843745A (ja) | 1973-06-23 |