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    • 4. 发明授权
    • Apparatus and method for the formation of a bathtub or shower stall liner
    • 用于形成浴缸或淋浴间内胆的装置和方法
    • US5814270A
    • 1998-09-29
    • US617616
    • 1996-03-19
    • Mark Conrad Smith
    • Mark Conrad Smith
    • B29C51/10
    • B29C51/10B29C2791/006B29L2031/7692
    • Bathtub or shower stall liner vacuum forming system for the forming of a liner to be positioned over an existing bathtub comprises a bathtub liner vacuum machine, a plumbing apparatus and a lift for moving the plumbing apparatus. The bathtub liner vacuum machine comprises a frame member, a track member, an oven and a skirt forming member. The plumbing apparatus includes a conventional plumbing fixture, a manifold, mesh member and a vacuum pump. Upon positioning of the formable member within the frame member and skirt forming member, the frame member is rolled along the track member into the oven. When the formable member is heated to the desired temperature, the bathtub is positioned into contact with the formable member and the air trapped therebetween is removed with the aid of the vacuum pump. As the air is evacuated, the formable member takes on the configuration of the conventional plumbing apparatus and mesh member. The invention further includes a method for forming a bathtub liner.
    • 用于形成定位在现有浴缸上的衬垫的浴缸或淋浴间衬板真空成型系统包括浴缸衬垫真空机,管道设备和用于移动管道设备的升降机。 浴缸内胆真空机包括框架构件,轨道构件,烤箱和裙部形成构件。 卫生设备包括常规的卫生设备,歧管,网状构件和真空泵。 在将可成形构件定位在框架构件和裙部形成构件内时,框架构件沿轨道构件滚动到烘箱中。 当可成型构件被加热到所需温度时,浴缸定位成与可成形构件接触,并且借助于真空泵去除夹在其间的空气。 当空气被抽真空时,可成形构件承受传统的管道装置和网状构件的构造。 本发明还包括一种用于形成浴缸衬垫的方法。