BE500561A - - Google Patents
Info
- Publication number
- BE500561A BE500561A BE500561DA BE500561A BE 500561 A BE500561 A BE 500561A BE 500561D A BE500561D A BE 500561DA BE 500561 A BE500561 A BE 500561A
- Authority
- BE
- Belgium
- Prior art keywords
- film
- temperature
- stretching
- stretched
- sheet
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 20
- 239000004698 Polyethylene Substances 0.000 claims description 15
- -1 polyethylene Polymers 0.000 claims description 15
- 229920000573 polyethylene Polymers 0.000 claims description 15
- 238000001125 extrusion Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 229920001169 thermoplastic Polymers 0.000 claims description 5
- 239000004416 thermosoftening plastic Substances 0.000 claims description 5
- 239000012815 thermoplastic material Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims 3
- 238000007493 shaping process Methods 0.000 claims 1
- 229920003023 plastic Polymers 0.000 description 7
- 239000004033 plastic Substances 0.000 description 7
- 210000003739 neck Anatomy 0.000 description 4
- 239000002985 plastic film Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 241000237509 Patinopecten sp. Species 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003000 extruded plastic Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 235000020637 scallop Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
- B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
- B29C55/14—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively
- B29C55/146—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively firstly transversely to the direction of feed and then parallel thereto
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE500561A true BE500561A (en)van) |
Family
ID=142628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE500561D BE500561A (en)van) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE500561A (en)van) |
-
0
- BE BE500561D patent/BE500561A/fr unknown
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