JPS5131823B2 - - Google Patents
Info
- Publication number
- JPS5131823B2 JPS5131823B2 JP47029910A JP2991072A JPS5131823B2 JP S5131823 B2 JPS5131823 B2 JP S5131823B2 JP 47029910 A JP47029910 A JP 47029910A JP 2991072 A JP2991072 A JP 2991072A JP S5131823 B2 JPS5131823 B2 JP S5131823B2
- 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
- B29C48/62—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
-
- 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
- B29C48/565—Screws having projections other than the thread, e.g. pins
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47029910A JPS5131823B2 (US07902200-20110308-C00004.png) | 1972-03-25 | 1972-03-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47029910A JPS5131823B2 (US07902200-20110308-C00004.png) | 1972-03-25 | 1972-03-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4896660A JPS4896660A (US07902200-20110308-C00004.png) | 1973-12-10 |
| JPS5131823B2 true JPS5131823B2 (US07902200-20110308-C00004.png) | 1976-09-09 |
Family
ID=12289132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47029910A Expired JPS5131823B2 (US07902200-20110308-C00004.png) | 1972-03-25 | 1972-03-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5131823B2 (US07902200-20110308-C00004.png) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51109072A (en) * | 1975-03-20 | 1976-09-27 | Sumitomo Electric Industries | Hatsuhotaino oshidashihoho |
| JPS593265B2 (ja) * | 1976-03-19 | 1984-01-23 | 古河電気工業株式会社 | 押出機用スクリユ− |
-
1972
- 1972-03-25 JP JP47029910A patent/JPS5131823B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4896660A (US07902200-20110308-C00004.png) | 1973-12-10 |
