JPS4977962A - - Google Patents
Info
- Publication number
- JPS4977962A JPS4977962A JP47118886A JP11888672A JPS4977962A JP S4977962 A JPS4977962 A JP S4977962A JP 47118886 A JP47118886 A JP 47118886A JP 11888672 A JP11888672 A JP 11888672A JP S4977962 A JPS4977962 A JP S4977962A
- 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
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- 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
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
- B29C48/337—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location
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- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47118886A JPS4977962A (it) | 1972-11-29 | 1972-11-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47118886A JPS4977962A (it) | 1972-11-29 | 1972-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4977962A true JPS4977962A (it) | 1974-07-26 |
Family
ID=14747562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47118886A Pending JPS4977962A (it) | 1972-11-29 | 1972-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4977962A (it) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5161566A (en) * | 1974-11-27 | 1976-05-28 | Yoshino Kogyosho Co Ltd | Shu fukuondashisochiojusuru burooseikeikiniokeru fukuryuro |
| JPS5198766A (it) * | 1975-02-27 | 1976-08-31 | ||
| JPS53129251A (en) * | 1977-04-19 | 1978-11-11 | Toshiba Machine Co Ltd | Multilayer die for sheet forming |
| JPS565750A (en) * | 1979-06-27 | 1981-01-21 | Toyo Seikan Kaisha Ltd | Multilayer extrusion of plastic and multilayer extruding die |
| WO2008004329A1 (fr) * | 2006-07-06 | 2008-01-10 | Pla Giken Co., Ltd. | Appareil de formation d'extrusion destiné à un tuyau multicouche en résine |
-
1972
- 1972-11-29 JP JP47118886A patent/JPS4977962A/ja active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5161566A (en) * | 1974-11-27 | 1976-05-28 | Yoshino Kogyosho Co Ltd | Shu fukuondashisochiojusuru burooseikeikiniokeru fukuryuro |
| JPS5821572B2 (ja) * | 1974-11-27 | 1983-05-02 | カブシキガイシヤ ヨシノコウギヨウシヨ | シユ フクオンダシソウチオユウスル ブロ−セイケイキニオケル フクリユウロ |
| JPS5198766A (it) * | 1975-02-27 | 1976-08-31 | ||
| JPS53129251A (en) * | 1977-04-19 | 1978-11-11 | Toshiba Machine Co Ltd | Multilayer die for sheet forming |
| JPS565750A (en) * | 1979-06-27 | 1981-01-21 | Toyo Seikan Kaisha Ltd | Multilayer extrusion of plastic and multilayer extruding die |
| WO2008004329A1 (fr) * | 2006-07-06 | 2008-01-10 | Pla Giken Co., Ltd. | Appareil de formation d'extrusion destiné à un tuyau multicouche en résine |