DE2811254C2 - Vorrichtung zur Verformung von synthetischen Polyolefinharzen - Google Patents
Vorrichtung zur Verformung von synthetischen PolyolefinharzenInfo
- Publication number
- DE2811254C2 DE2811254C2 DE2811254A DE2811254A DE2811254C2 DE 2811254 C2 DE2811254 C2 DE 2811254C2 DE 2811254 A DE2811254 A DE 2811254A DE 2811254 A DE2811254 A DE 2811254A DE 2811254 C2 DE2811254 C2 DE 2811254C2
- Authority
- DE
- Germany
- Prior art keywords
- udf54
- udf53
- mold
- stabilizing device
- resin
- 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
- 229920005672 polyolefin resin Polymers 0.000 title claims description 4
- 238000001125 extrusion Methods 0.000 claims description 23
- 230000000087 stabilizing effect Effects 0.000 claims description 17
- 230000000630 rising effect Effects 0.000 claims description 7
- 238000000071 blow moulding Methods 0.000 claims description 2
- 229920005989 resin Polymers 0.000 description 29
- 239000011347 resin Substances 0.000 description 29
- 238000001816 cooling Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 230000002093 peripheral effect Effects 0.000 description 5
- 239000003381 stabilizer Substances 0.000 description 5
- 238000007664 blowing Methods 0.000 description 3
- 229920001903 high density polyethylene Polymers 0.000 description 3
- 239000004700 high-density polyethylene Substances 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002952 polymeric resin Substances 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000012815 thermoplastic material 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
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow articles
- B29C48/912—Cooling of hollow articles of tubular films
-
- 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
-
- 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2811254A DE2811254C2 (de) | 1978-03-15 | 1978-03-15 | Vorrichtung zur Verformung von synthetischen Polyolefinharzen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2811254A DE2811254C2 (de) | 1978-03-15 | 1978-03-15 | Vorrichtung zur Verformung von synthetischen Polyolefinharzen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2811254A1 DE2811254A1 (de) | 1979-09-27 |
| DE2811254C2 true DE2811254C2 (de) | 1987-01-02 |
Family
ID=6034505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2811254A Expired DE2811254C2 (de) | 1978-03-15 | 1978-03-15 | Vorrichtung zur Verformung von synthetischen Polyolefinharzen |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE2811254C2 (US20080094685A1-20080424-C00004.png) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1504648A1 (de) * | 1960-11-03 | 1969-10-16 | Du Pont Canada | Verwendung eines Kuehlers bei einem Verfahren zur kontinuierlichen Herstellung einer Schlauchfolie aus thermoplastischen AEthylen alpha-Olefin-Mischpolymerisaten |
| DE1504536A1 (de) * | 1961-01-03 | 1969-10-16 | Monsanto Co | Einrichtung zum zweiachsigen Orientieren eines schlauchfoermigen Erzeugnisses |
| JPS5219762A (en) * | 1975-08-07 | 1977-02-15 | Idemitsu Petrochemical Co | Method of forming tubular film |
-
1978
- 1978-03-15 DE DE2811254A patent/DE2811254C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2811254A1 (de) | 1979-09-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OAM | Search report available | ||
| OC | Search report available | ||
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |