RU2017146000A - Селективно ослабленные растянутые пленки - Google Patents

Селективно ослабленные растянутые пленки Download PDF

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Publication number
RU2017146000A
RU2017146000A RU2017146000A RU2017146000A RU2017146000A RU 2017146000 A RU2017146000 A RU 2017146000A RU 2017146000 A RU2017146000 A RU 2017146000A RU 2017146000 A RU2017146000 A RU 2017146000A RU 2017146000 A RU2017146000 A RU 2017146000A
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Russia
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film
film according
paragraphs
thickness
characteristic
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RU2017146000A
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English (en)
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RU2696374C2 (ru
RU2017146000A3 (ru
Inventor
Марк С. ВИЛЕНСКИ
Майкл П. КОЗАР
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Зе Боинг Компани
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Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Thermal Sciences (AREA)
  • Laminated Bodies (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Reinforced Plastic Materials (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Claims (20)

1. Пленка для композитного изделия, содержащая:
неослабленную часть (140); и
ослабленную часть (160), имеющую по меньшей мере одну характеристику, которая хуже, чем характеристика неослабленной части (140),
причем пленка является гофрированной пленкой (204), имеющей поперечное сечение гофрированной формы.
2. Пленка по п. 1, в которой
характеристика включает по меньшей мере одно из следующего: прочность на растяжение, модуль упругости при растяжении и предельную деформацию.
3. Пленка по пп. 1 и 2, в которой
ослабленная часть (160) образуют форму по меньшей мере одного из следующего: линии и извилистой дорожки.
4. Пленка по любому из пп. 1-3, содержащая растянутую пленку (132), имеющую направление растягивания, ориентированное по существу параллельно продольному направлению ослабленной части (160).
5. Пленка по любому из пп. 1-4, в которой ослабленная часть (160) получена по меньшей мере одним из следующего:
геометрической модификацией (192) пленки в ослабленной части (160) и
химической модификацией (190) пленки в ослабленной части (160).
6. Пленка по п. 5, имеющая толщину, причем
геометрическая модификация (192) включает локальное уменьшение (192) толщины пленки.
7. Пленка по п. 6, в которой
локальное уменьшение (192) толщины пленки включает по меньшей мере одно из следующего: канавку, бороздку и срез.
8. Пленка по любому из пп. 1-7, имеющая толщину в диапазоне от примерно 3 микрон до 5000 микрон.
9. Пленка по любому из пп. 1-8, в которой
неослабленная часть (140) имеют удлиненную форму поперечного сечения с характеристическим отношением ширины неослабленной части (140) к толщине пленки от примерно 3 до примерно 500.
10. Пленка по любому из пп. 1-9, являющаяся растянутой пленкой (132), растянутой однонаправленно или двунаправленно.
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