JPS4967255A - - Google Patents
Info
- Publication number
- JPS4967255A JPS4967255A JP47109190A JP10919072A JPS4967255A JP S4967255 A JPS4967255 A JP S4967255A JP 47109190 A JP47109190 A JP 47109190A JP 10919072 A JP10919072 A JP 10919072A JP S4967255 A JPS4967255 A JP S4967255A
- 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.)
- Pending
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
- B29C48/535—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 |
|---|---|---|---|
| JP47109190A JPS4967255A (et) | 1972-10-30 | 1972-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47109190A JPS4967255A (et) | 1972-10-30 | 1972-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4967255A true JPS4967255A (et) | 1974-06-29 |
Family
ID=14503906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47109190A Pending JPS4967255A (et) | 1972-10-30 | 1972-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4967255A (et) |
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1972
- 1972-10-30 JP JP47109190A patent/JPS4967255A/ja active Pending