PLASTIC BOTTLE BASE HAVING CONCAVE DIMPLE FEET THAT DEFORM TOWARD A FLATTENED CONFIGURATION UPON PRESSURISATION

• 1. 一种围岩压力作用下隧道初支结构变形的计算方法及系统 [P] . 中国专利： CN113919032A . 2022-01-11
• 2. 一种大变形状态下具有稳定零泊松比的点阵结构 [P] . 中国专利： CN111720467B . 2021.04.20
• 3. Pressurised container with a stable base - has part concave deformable base with inclined circumference [P] . 法国专利： FR2248981B1 . 1978-07-13

  机译： 带有稳定底座的加压容器-带有凹形可变形底座且圆周倾斜

• 4. Pressurised container with a stable base - has part concave deformable base with inclined circumference [P] . 法国专利： FR2248981A1 . 1975-05-23

  机译： 带有稳定底座的加压容器-带有凹形可变形底座且圆周倾斜

• 5. Flattening machine for empty recyclable plastics drinks bottles has rectangular baseplate standing on rubber feet and with top plate hinged to it and forced downward by lever attached to bracket [P] . 德国专利： DE202005001412U1 . 2005-04-21

  机译： 用于空的可回收塑料饮料瓶的压平机具有直立在橡胶脚上的矩形底板，顶板铰接到该底板上，并通过固定在支架上的杠杆向下推动

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