JPS5087451A - - Google Patents
Info
- Publication number
- JPS5087451A JPS5087451A JP48139833A JP13983373A JPS5087451A JP S5087451 A JPS5087451 A JP S5087451A JP 48139833 A JP48139833 A JP 48139833A JP 13983373 A JP13983373 A JP 13983373A JP S5087451 A JPS5087451 A JP S5087451A
- 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.)
- Granted
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
- B29C48/62—Screws characterised by the shape of the thread channel, e.g. U-shaped
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (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 |
|---|---|---|---|
| JP48139833A JPS5232777B2 (ja) | 1973-12-07 | 1973-12-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP48139833A JPS5232777B2 (ja) | 1973-12-07 | 1973-12-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5087451A true JPS5087451A (ja) | 1975-07-14 |
| JPS5232777B2 JPS5232777B2 (ja) | 1977-08-24 |
Family
ID=15254542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48139833A Expired JPS5232777B2 (ja) | 1973-12-07 | 1973-12-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5232777B2 (ja) |
-
1973
- 1973-12-07 JP JP48139833A patent/JPS5232777B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5232777B2 (ja) | 1977-08-24 |