JPH0446723B2 - - Google Patents
Info
- Publication number
- JPH0446723B2 JPH0446723B2 JP61228315A JP22831586A JPH0446723B2 JP H0446723 B2 JPH0446723 B2 JP H0446723B2 JP 61228315 A JP61228315 A JP 61228315A JP 22831586 A JP22831586 A JP 22831586A JP H0446723 B2 JPH0446723 B2 JP H0446723B2
- Authority
- JP
- Japan
- Prior art keywords
- parison
- length
- wall thickness
- calculated
- core
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 claims description 18
- 238000001125 extrusion Methods 0.000 claims description 15
- 239000011347 resin Substances 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
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
- B29C48/92—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
- B29C2948/92609—Dimensions
- B29C2948/92647—Thickness
-
- 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
- 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)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61228315A JPS6382707A (ja) | 1986-09-29 | 1986-09-29 | パリソン肉厚制御方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61228315A JPS6382707A (ja) | 1986-09-29 | 1986-09-29 | パリソン肉厚制御方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6382707A JPS6382707A (ja) | 1988-04-13 |
JPH0446723B2 true JPH0446723B2 (de) | 1992-07-30 |
Family
ID=16874515
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP61228315A Granted JPS6382707A (ja) | 1986-09-29 | 1986-09-29 | パリソン肉厚制御方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6382707A (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5198161A (en) * | 1990-03-07 | 1993-03-30 | Kao Corporation | Parison thickness control method |
DE69332271T2 (de) * | 1993-08-31 | 2003-05-15 | Tokai Kogyo Co Ltd | Verfahren und vorrichtung zum strangpressen |
JP6429014B2 (ja) * | 2014-12-25 | 2018-11-28 | キョーラク株式会社 | ブロー成形方法 |
-
1986
- 1986-09-29 JP JP61228315A patent/JPS6382707A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6382707A (ja) | 1988-04-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |