JPS5515293B2 - - Google Patents
Info
- Publication number
- JPS5515293B2 JPS5515293B2 JP3260872A JP3260872A JPS5515293B2 JP S5515293 B2 JPS5515293 B2 JP S5515293B2 JP 3260872 A JP3260872 A JP 3260872A JP 3260872 A JP3260872 A JP 3260872A JP S5515293 B2 JPS5515293 B2 JP S5515293B2
- 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
-
- 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
- B29C48/336—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging one by one down streams in the die
- B29C48/3363—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging one by one down streams in the die using a layered die, e.g. stacked discs
-
- 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)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3260872A JPS5515293B2 (US07902200-20110308-C00004.png) | 1972-04-03 | 1972-04-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3260872A JPS5515293B2 (US07902200-20110308-C00004.png) | 1972-04-03 | 1972-04-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS48100468A JPS48100468A (US07902200-20110308-C00004.png) | 1973-12-18 |
| JPS5515293B2 true JPS5515293B2 (US07902200-20110308-C00004.png) | 1980-04-22 |
Family
ID=12363557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3260872A Expired JPS5515293B2 (US07902200-20110308-C00004.png) | 1972-04-03 | 1972-04-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5515293B2 (US07902200-20110308-C00004.png) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1988005381A1 (en) * | 1987-01-16 | 1988-07-28 | The Dow Chemical Company | A hollow light conductor, method and apparatus for manufacturing the same |
| JPH02118143A (ja) * | 1988-10-27 | 1990-05-02 | Du Pont Toray Co Ltd | 弾性一重丸編地 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51106164A (US07902200-20110308-C00004.png) * | 1975-03-17 | 1976-09-20 | Japan Steel Works Ltd | |
| JPS6059132B2 (ja) * | 1975-11-18 | 1985-12-24 | 凸版印刷株式会社 | 大型ブロー成形用多層パリソン成形装置 |
| JPH0649317B2 (ja) * | 1986-06-26 | 1994-06-29 | ゼネラル・エレクトリック・カンパニイ | モジュラー押出ヘッド |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2790202A (en) * | 1952-03-31 | 1957-04-30 | Lorenian Zareh | Method and apparatus for manufacturing pencils |
-
1972
- 1972-04-03 JP JP3260872A patent/JPS5515293B2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2790202A (en) * | 1952-03-31 | 1957-04-30 | Lorenian Zareh | Method and apparatus for manufacturing pencils |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1988005381A1 (en) * | 1987-01-16 | 1988-07-28 | The Dow Chemical Company | A hollow light conductor, method and apparatus for manufacturing the same |
| JPH02118143A (ja) * | 1988-10-27 | 1990-05-02 | Du Pont Toray Co Ltd | 弾性一重丸編地 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS48100468A (US07902200-20110308-C00004.png) | 1973-12-18 |
