JPS5561437A - Manufacturing method for thermoplastic resin foamed pipe - Google Patents
Manufacturing method for thermoplastic resin foamed pipeInfo
- Publication number
- JPS5561437A JPS5561437A JP13449378A JP13449378A JPS5561437A JP S5561437 A JPS5561437 A JP S5561437A JP 13449378 A JP13449378 A JP 13449378A JP 13449378 A JP13449378 A JP 13449378A JP S5561437 A JPS5561437 A JP S5561437A
- Authority
- JP
- Japan
- Prior art keywords
- die
- pipe
- taper
- cooling
- foaming
- Prior art date
- 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
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
- B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
- B29C44/507—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying extruding the compound through an annular die
-
- 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
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92904—Die; Nozzle zone
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92923—Calibration, after-treatment or cooling zone
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13449378A JPS5561437A (en) | 1978-11-02 | 1978-11-02 | Manufacturing method for thermoplastic resin foamed pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13449378A JPS5561437A (en) | 1978-11-02 | 1978-11-02 | Manufacturing method for thermoplastic resin foamed pipe |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5561437A true JPS5561437A (en) | 1980-05-09 |
Family
ID=15129601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13449378A Pending JPS5561437A (en) | 1978-11-02 | 1978-11-02 | Manufacturing method for thermoplastic resin foamed pipe |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5561437A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4399086A (en) * | 1980-03-04 | 1983-08-16 | Swiss Aluminium Ltd. | Process for manufacturing foamed plastic sheets |
CN104999645A (zh) * | 2015-06-16 | 2015-10-28 | 凤阳九龙新型建材有限公司 | 一种pvc管的生产工艺 |
CN116728742A (zh) * | 2023-08-09 | 2023-09-12 | 江苏乾锦塑业科技有限公司 | 一种cpvc电缆管内外壁除水冷却装置 |
-
1978
- 1978-11-02 JP JP13449378A patent/JPS5561437A/ja active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4399086A (en) * | 1980-03-04 | 1983-08-16 | Swiss Aluminium Ltd. | Process for manufacturing foamed plastic sheets |
CN104999645A (zh) * | 2015-06-16 | 2015-10-28 | 凤阳九龙新型建材有限公司 | 一种pvc管的生产工艺 |
CN116728742A (zh) * | 2023-08-09 | 2023-09-12 | 江苏乾锦塑业科技有限公司 | 一种cpvc电缆管内外壁除水冷却装置 |
CN116728742B (zh) * | 2023-08-09 | 2024-02-23 | 江苏乾锦塑业科技有限公司 | 一种cpvc电缆管内外壁除水冷却装置 |
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