JPS5538659Y2 - - Google Patents
Info
- Publication number
- JPS5538659Y2 JPS5538659Y2 JP1976109875U JP10987576U JPS5538659Y2 JP S5538659 Y2 JPS5538659 Y2 JP S5538659Y2 JP 1976109875 U JP1976109875 U JP 1976109875U JP 10987576 U JP10987576 U JP 10987576U JP S5538659 Y2 JPS5538659 Y2 JP S5538659Y2
- 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
- B29C48/337—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location
- B29C48/338—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location using a die with concentric parts, e.g. rings, cylinders
-
- 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
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
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 |
|---|---|---|---|
| JP1976109875U JPS5538659Y2 (en]) | 1976-08-16 | 1976-08-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1976109875U JPS5538659Y2 (en]) | 1976-08-16 | 1976-08-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5328263U JPS5328263U (en]) | 1978-03-10 |
| JPS5538659Y2 true JPS5538659Y2 (en]) | 1980-09-10 |
Family
ID=28719776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1976109875U Expired JPS5538659Y2 (en]) | 1976-08-16 | 1976-08-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5538659Y2 (en]) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4465449A (en) * | 1982-12-06 | 1984-08-14 | Borg-Warner Chemicals, Inc. | Coextrusion feedblock for making lightweight, rigid thermoplastic pipe |
| JPS61196050A (ja) * | 1985-02-26 | 1986-08-30 | 日本コンクリ−ト工業株式会社 | 偏心プレストレス合成桁 |
| JPH0723638B2 (ja) * | 1985-08-14 | 1995-03-15 | オリエンタル建設株式会社 | Ｐｃ中空構造部材 |
| JPH0192412U (en]) * | 1987-12-11 | 1989-06-16 | ||
| JPH0728270Y2 (ja) * | 1990-03-26 | 1995-06-28 | 至郎 美坂 | 鉄筋用ｐｃコンクリートの柱 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4814672U (en]) * | 1971-06-25 | 1973-02-19 | ||
| JPS5137938B2 (en]) * | 1971-12-29 | 1976-10-19 |
-
1976
- 1976-08-16 JP JP1976109875U patent/JPS5538659Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5328263U (en]) | 1978-03-10 |