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    • 7. 发明申请
    • PIPE SEAL
    • 管密封
    • WO2005033570A2
    • 2005-04-14
    • PCT/US2004032268
    • 2004-09-30
    • INFILTRATOR SYSTEMS INCBROCHU RONALD P
    • BROCHU RONALD PBURNES JAMES J
    • F16L5/02F16L
    • F16L5/02
    • A molded plastic seal assembly (20), for use with a leaching or stormwater system component, comprises at least two embossed, preferentially eccentric, circular grooves (C 1), (C2). Pulling on a tab (40) tears out the interior portion (24) of the seal assembly, to create a hole (34) which accommodates a first pipe diameter. A remaining crescent portion (26) of the seal, which surrounds the hole (34) has a multiplicity of perforations (30) or other means for thinning. Thus, when a second larger diameter pipe pushed into said hole, it deforms the crescent inwardly, so the hole diameter is increased, sufficient to fit the second pipe and form a seal. To make the grooves (C1), (C2) by plastic injection molding, a portion of the injection mold is moved during molding.
    • 与浸出或雨水系统部件一起使用的模制塑料密封组件(20)包括至少两个压花,优选偏心的圆形凹槽(C 1),(C2)。 拉动突片(40)撕开密封组件的内部部分(24),以形成容纳第一管道直径的孔(34)。 围绕孔(34)的密封件的剩余新月部分(26)具有多个穿孔(30)或用于减薄的其它装置。 因此,当第二个较大直径的管子被推入所述孔中时,其向内变形新月形,因此孔直径增加,足以装配第二管并形成密封。 为了通过塑料注射成型来形成凹槽(C1),(C2),注射模具的一部分在模制过程中移动。