JPS569542Y2 - - Google Patents
Info
- Publication number
- JPS569542Y2 JPS569542Y2 JP1977066570U JP6657077U JPS569542Y2 JP S569542 Y2 JPS569542 Y2 JP S569542Y2 JP 1977066570 U JP1977066570 U JP 1977066570U JP 6657077 U JP6657077 U JP 6657077U JP S569542 Y2 JPS569542 Y2 JP S569542Y2
- 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
- B29C48/585—Screws provided with gears interacting with the flow
-
- 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 |
|---|---|---|---|
| JP1977066570U JPS569542Y2 (US06534493-20030318-C00166.png) | 1977-05-23 | 1977-05-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1977066570U JPS569542Y2 (US06534493-20030318-C00166.png) | 1977-05-23 | 1977-05-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS53160471U JPS53160471U (US06534493-20030318-C00166.png) | 1978-12-15 |
| JPS569542Y2 true JPS569542Y2 (US06534493-20030318-C00166.png) | 1981-03-03 |
Family
ID=28972701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1977066570U Expired JPS569542Y2 (US06534493-20030318-C00166.png) | 1977-05-23 | 1977-05-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS569542Y2 (US06534493-20030318-C00166.png) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50123772A (US06534493-20030318-C00166.png) * | 1974-03-19 | 1975-09-29 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5633698Y2 (US06534493-20030318-C00166.png) * | 1975-05-22 | 1981-08-10 |
-
1977
- 1977-05-23 JP JP1977066570U patent/JPS569542Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50123772A (US06534493-20030318-C00166.png) * | 1974-03-19 | 1975-09-29 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS53160471U (US06534493-20030318-C00166.png) | 1978-12-15 |
