JPS48100479A - - Google Patents
Info
- Publication number
- JPS48100479A JPS48100479A JP47032794A JP3279472A JPS48100479A JP S48100479 A JPS48100479 A JP S48100479A JP 47032794 A JP47032794 A JP 47032794A JP 3279472 A JP3279472 A JP 3279472A JP S48100479 A JPS48100479 A JP S48100479A
- 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
-
- 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 |
|---|---|---|---|
| JP47032794A JPS5131824B2 (https=) | 1972-04-01 | 1972-04-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47032794A JPS5131824B2 (https=) | 1972-04-01 | 1972-04-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS48100479A true JPS48100479A (https=) | 1973-12-18 |
| JPS5131824B2 JPS5131824B2 (https=) | 1976-09-09 |
Family
ID=12368744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47032794A Expired JPS5131824B2 (https=) | 1972-04-01 | 1972-04-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5131824B2 (https=) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50126066A (https=) * | 1974-03-23 | 1975-10-03 | ||
| JPS5339360A (en) * | 1976-09-22 | 1978-04-11 | Furukawa Electric Co Ltd | Method of producing bridged polyolefin mold |
| JPS6337915A (ja) * | 1986-07-31 | 1988-02-18 | Sekisui Plastics Co Ltd | 熱可塑性樹脂発泡体の製法 |
| US9011131B2 (en) | 2010-03-11 | 2015-04-21 | Rms Equipment Llc | Lug type extruder screw |
| WO2018163998A1 (ja) * | 2017-03-10 | 2018-09-13 | マクセル株式会社 | 発泡成形体の製造方法及び製造装置 |
-
1972
- 1972-04-01 JP JP47032794A patent/JPS5131824B2/ja not_active Expired
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50126066A (https=) * | 1974-03-23 | 1975-10-03 | ||
| JPS5339360A (en) * | 1976-09-22 | 1978-04-11 | Furukawa Electric Co Ltd | Method of producing bridged polyolefin mold |
| JPS6337915A (ja) * | 1986-07-31 | 1988-02-18 | Sekisui Plastics Co Ltd | 熱可塑性樹脂発泡体の製法 |
| US9011131B2 (en) | 2010-03-11 | 2015-04-21 | Rms Equipment Llc | Lug type extruder screw |
| WO2018163998A1 (ja) * | 2017-03-10 | 2018-09-13 | マクセル株式会社 | 発泡成形体の製造方法及び製造装置 |
| JP2018149688A (ja) * | 2017-03-10 | 2018-09-27 | マクセル株式会社 | 発泡成形体の製造方法及び製造装置 |
| US11478969B2 (en) | 2017-03-10 | 2022-10-25 | Maxell, Ltd. | Manufacturing method and manufacturing device for foam molded article |
| US11820063B2 (en) | 2017-03-10 | 2023-11-21 | Maxell, Ltd. | Manufacturing method and manufacturing device for foam molded article |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5131824B2 (https=) | 1976-09-09 |