JPS4936763A - - Google Patents
Info
- Publication number
- JPS4936763A JPS4936763A JP47079479A JP7947972A JPS4936763A JP S4936763 A JPS4936763 A JP S4936763A JP 47079479 A JP47079479 A JP 47079479A JP 7947972 A JP7947972 A JP 7947972A JP S4936763 A JPS4936763 A JP S4936763A
- 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
- B29C48/64—Screws with two or more threads
- B29C48/645—Screws with two or more threads neighbouring threads and channels having identical configurations
-
- 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
- B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
- B29C48/385—Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in separate barrels
-
- 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 |
---|---|---|---|
JP47079479A JPS5227658B2 (en) | 1972-08-10 | 1972-08-10 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP47079479A JPS5227658B2 (en) | 1972-08-10 | 1972-08-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS4936763A true JPS4936763A (en) | 1974-04-05 |
JPS5227658B2 JPS5227658B2 (en) | 1977-07-21 |
Family
ID=13691018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP47079479A Expired JPS5227658B2 (en) | 1972-08-10 | 1972-08-10 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5227658B2 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5128863A (en) * | 1974-09-06 | 1976-03-11 | Japan Steel Works Ltd | 2 danshikioshidashiki |
JPS51124332A (en) * | 1975-04-23 | 1976-10-29 | Omron Tateisi Electronics Co | Memory protection device |
JPS51155025U (en) * | 1975-06-05 | 1976-12-10 | ||
JPS5467340A (en) * | 1977-11-09 | 1979-05-30 | Hitachi Ltd | Magnetic bubble unit |
JPS6017811A (en) * | 1983-07-09 | 1985-01-29 | 住友電気工業株式会社 | Method of extruding by coupled extruders |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5471249U (en) * | 1977-10-28 | 1979-05-21 |
-
1972
- 1972-08-10 JP JP47079479A patent/JPS5227658B2/ja not_active Expired
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5128863A (en) * | 1974-09-06 | 1976-03-11 | Japan Steel Works Ltd | 2 danshikioshidashiki |
JPS51124332A (en) * | 1975-04-23 | 1976-10-29 | Omron Tateisi Electronics Co | Memory protection device |
JPS5636519B2 (en) * | 1975-04-23 | 1981-08-25 | ||
JPS51155025U (en) * | 1975-06-05 | 1976-12-10 | ||
JPS5467340A (en) * | 1977-11-09 | 1979-05-30 | Hitachi Ltd | Magnetic bubble unit |
JPS5737960B2 (en) * | 1977-11-09 | 1982-08-12 | ||
JPS6017811A (en) * | 1983-07-09 | 1985-01-29 | 住友電気工業株式会社 | Method of extruding by coupled extruders |
JPH0117450B2 (en) * | 1983-07-09 | 1989-03-30 | Sumitomo Electric Industries |
Also Published As
Publication number | Publication date |
---|---|
JPS5227658B2 (en) | 1977-07-21 |