JPS6359855B2 - - Google Patents
Info
- Publication number
- JPS6359855B2 JPS6359855B2 JP55024458A JP2445880A JPS6359855B2 JP S6359855 B2 JPS6359855 B2 JP S6359855B2 JP 55024458 A JP55024458 A JP 55024458A JP 2445880 A JP2445880 A JP 2445880A JP S6359855 B2 JPS6359855 B2 JP S6359855B2
- Authority
- JP
- Japan
- Prior art keywords
- film
- thickness
- sheet
- bolt
- stretching
- 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
Links
- 238000000034 method Methods 0.000 claims description 13
- 229920005992 thermoplastic resin Polymers 0.000 claims description 3
- 230000000875 corresponding effect Effects 0.000 description 13
- 210000005069 ears Anatomy 0.000 description 5
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000004804 winding Methods 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
- B29C2948/92009—Measured parameter
- B29C2948/92114—Dimensions
- B29C2948/92152—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
- B29C2948/92323—Location or phase of measurement
- B29C2948/92428—Calibration, after-treatment, or cooling 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
- B29C2948/92504—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
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2445880A JPS56120317A (en) | 1980-02-28 | 1980-02-28 | Control of thickness of film |
DE8181300758T DE3176317D1 (en) | 1980-02-28 | 1981-02-24 | Method and apparatus for controlling the thickness of a film product |
EP81300758A EP0035356B1 (en) | 1980-02-28 | 1981-02-24 | Method and apparatus for controlling the thickness of a film product |
US06/238,358 US4409160A (en) | 1980-02-28 | 1981-02-25 | Method for controlling the thickness of a film product |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2445880A JPS56120317A (en) | 1980-02-28 | 1980-02-28 | Control of thickness of film |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56120317A JPS56120317A (en) | 1981-09-21 |
JPS6359855B2 true JPS6359855B2 (ko) | 1988-11-21 |
Family
ID=12138715
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2445880A Granted JPS56120317A (en) | 1980-02-28 | 1980-02-28 | Control of thickness of film |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56120317A (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0281190U (ko) * | 1988-12-09 | 1990-06-22 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4581237B2 (ja) * | 2000-12-07 | 2010-11-17 | 東レ株式会社 | シートの製造方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5236154A (en) * | 1975-09-18 | 1977-03-19 | Mitsubishi Plastics Ind | Method of controlling thermoplastic resin film thickness |
JPS5236165A (en) * | 1975-09-18 | 1977-03-19 | Mitsubishi Plastics Ind | Method of adjusting thickness of thermoplastic resin film |
JPS5271573A (en) * | 1975-12-12 | 1977-06-15 | Mitsubishi Plastics Ind | Method of adjusting margin thickness of thermoplastic resin elongation film |
JPS5272772A (en) * | 1975-12-15 | 1977-06-17 | Mitsubishi Plastics Ind | Method of adjusting margin thickness of thermoplastic resin elongation film |
-
1980
- 1980-02-28 JP JP2445880A patent/JPS56120317A/ja active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5236154A (en) * | 1975-09-18 | 1977-03-19 | Mitsubishi Plastics Ind | Method of controlling thermoplastic resin film thickness |
JPS5236165A (en) * | 1975-09-18 | 1977-03-19 | Mitsubishi Plastics Ind | Method of adjusting thickness of thermoplastic resin film |
JPS5271573A (en) * | 1975-12-12 | 1977-06-15 | Mitsubishi Plastics Ind | Method of adjusting margin thickness of thermoplastic resin elongation film |
JPS5272772A (en) * | 1975-12-15 | 1977-06-17 | Mitsubishi Plastics Ind | Method of adjusting margin thickness of thermoplastic resin elongation film |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0281190U (ko) * | 1988-12-09 | 1990-06-22 |
Also Published As
Publication number | Publication date |
---|---|
JPS56120317A (en) | 1981-09-21 |
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