JPS50136352A - - Google Patents
Info
- Publication number
- JPS50136352A JPS50136352A JP49043641A JP4364174A JPS50136352A JP S50136352 A JPS50136352 A JP S50136352A JP 49043641 A JP49043641 A JP 49043641A JP 4364174 A JP4364174 A JP 4364174A JP S50136352 A JPS50136352 A JP S50136352A
- 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.)
- Pending
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
- B29C48/565—Screws having projections other than the thread, e.g. pins
-
- 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
-
- 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
- B29C48/59—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
- B29C48/60—Thread tops
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 |
|---|---|---|---|
| JP49043641A JPS50136352A (fr) | 1974-04-17 | 1974-04-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP49043641A JPS50136352A (fr) | 1974-04-17 | 1974-04-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS50136352A true JPS50136352A (fr) | 1975-10-29 |
Family
ID=12669485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49043641A Pending JPS50136352A (fr) | 1974-04-17 | 1974-04-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS50136352A (fr) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5734936A (en) * | 1980-08-12 | 1982-02-25 | Mitsubishi Petrochem Co Ltd | Screw for kneading thermoplastic resin |
| JPS61227003A (ja) * | 1985-04-01 | 1986-10-09 | Toshiba Mach Co Ltd | サブフライトを備えたプラスチツク成形用スクリユ |
| JPS61242809A (ja) * | 1985-04-22 | 1986-10-29 | Toshiba Mach Co Ltd | 熱可塑性樹脂用スクリユ |
-
1974
- 1974-04-17 JP JP49043641A patent/JPS50136352A/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5734936A (en) * | 1980-08-12 | 1982-02-25 | Mitsubishi Petrochem Co Ltd | Screw for kneading thermoplastic resin |
| JPS6356845B2 (fr) * | 1980-08-12 | 1988-11-09 | Mitsubishi Petrochemical Co | |
| JPS61227003A (ja) * | 1985-04-01 | 1986-10-09 | Toshiba Mach Co Ltd | サブフライトを備えたプラスチツク成形用スクリユ |
| JPH0257494B2 (fr) * | 1985-04-01 | 1990-12-05 | Toshiba Machine Co Ltd | |
| JPS61242809A (ja) * | 1985-04-22 | 1986-10-29 | Toshiba Mach Co Ltd | 熱可塑性樹脂用スクリユ |