JPS5654210B2 - - Google Patents
Info
- Publication number
- JPS5654210B2 JPS5654210B2 JP13380877A JP13380877A JPS5654210B2 JP S5654210 B2 JPS5654210 B2 JP S5654210B2 JP 13380877 A JP13380877 A JP 13380877A JP 13380877 A JP13380877 A JP 13380877A JP S5654210 B2 JPS5654210 B2 JP S5654210B2
- 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
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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
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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
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13380877A JPS5466964A (en) | 1977-11-08 | 1977-11-08 | Die apparatus for forming multilayer resin pipe member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13380877A JPS5466964A (en) | 1977-11-08 | 1977-11-08 | Die apparatus for forming multilayer resin pipe member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5466964A JPS5466964A (en) | 1979-05-29 |
| JPS5654210B2 true JPS5654210B2 (en) | 1981-12-24 |
Family
ID=15113509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13380877A Granted JPS5466964A (en) | 1977-11-08 | 1977-11-08 | Die apparatus for forming multilayer resin pipe member |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5466964A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5523045A (en) * | 1983-04-13 | 1996-06-04 | American National Can Company | Methods for injection molding and blow-molding multi-layer plastic articles |
| EP0306118A3 (en) * | 1983-04-13 | 1989-10-18 | American National Can Company | Injection molding methods, injection molding apparatus and injection nozzle devices for use in molding multiple-layer articles, and multiple-layer injection molded articles |
| JPS61127310A (en) * | 1984-11-26 | 1986-06-14 | Toppan Printing Co Ltd | Molding equipment of blow molding multilayer parison |
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1977
- 1977-11-08 JP JP13380877A patent/JPS5466964A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5466964A (en) | 1979-05-29 |