JPS619701Y2 - - Google Patents
Info
- Publication number
- JPS619701Y2 JPS619701Y2 JP1981174895U JP17489581U JPS619701Y2 JP S619701 Y2 JPS619701 Y2 JP S619701Y2 JP 1981174895 U JP1981174895 U JP 1981174895U JP 17489581 U JP17489581 U JP 17489581U JP S619701 Y2 JPS619701 Y2 JP S619701Y2
- 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
- B29C48/64—Screws with two or more threads
- B29C48/655—Screws with two or more threads having three or more threads
-
- 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
- B29C48/64—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
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 |
|---|---|---|---|
| JP1981174895U JPS5879337U (en) | 1981-11-25 | 1981-11-25 | extrusion screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981174895U JPS5879337U (en) | 1981-11-25 | 1981-11-25 | extrusion screw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5879337U JPS5879337U (en) | 1983-05-28 |
| JPS619701Y2 true JPS619701Y2 (en) | 1986-03-28 |
Family
ID=29967027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1981174895U Granted JPS5879337U (en) | 1981-11-25 | 1981-11-25 | extrusion screw |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5879337U (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5142390B2 (en) * | 2008-09-19 | 2013-02-13 | 株式会社名機製作所 | Plasticizing apparatus and plasticizing method |
| JP6947522B2 (en) * | 2017-03-30 | 2021-10-13 | 住友重機械工業株式会社 | Screw for molding machine |
| CN110239059B (en) * | 2019-08-01 | 2023-10-13 | 安徽普瑞斯电工机械有限公司 | Special screw rod for extruding high-flame-retardant low-smoke halogen-free cable material |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54154374U (en) * | 1978-04-20 | 1979-10-26 |
-
1981
- 1981-11-25 JP JP1981174895U patent/JPS5879337U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5879337U (en) | 1983-05-28 |