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    • 75. 发明授权
    • Anti-rotation stop for chamber
    • 室内防转停
    • US07364384B1
    • 2008-04-29
    • US11190456
    • 2005-07-27
    • Daniel J. Swistak
    • Daniel J. Swistak
    • E02B11/00E02B13/00
    • E03F1/003
    • A thermoplastic chamber for leaching wastewater or other use, which is designed so that when jointed to a like chamber the horizontal plane angle between the chambers can be adjusted, has one or more stops which can be selectively used to prevent rotation, for instance, to make the joined-together chambers lie along a straight line. Preferably, the stop is integral part of the chamber base flange; and it hinges and bends upwardly when moved to its working position, so the stop engages and limits movement of the end of the mating chamber.
    • 一种用于浸出废水或其他用途的热塑性室,其被设计成当接合到类似的室时,可以调节室之间的水平平面角,具有一个或多个可以选择性地用于防止旋转的停止,例如, 使连接的腔室沿着直线放置。 优选地,止动件是腔室底部凸缘的一部分; 并且当其移动到其工作位置时,它向上铰接和弯曲,因此止动件接合并限制配合室的端部的运动。
    • 78. 发明授权
    • Pipe seal
    • 管密封
    • US06994355B2
    • 2006-02-07
    • US10677769
    • 2003-10-01
    • Ronald P. BrochuJames J. Burnes
    • Ronald P. BrochuJames J. Burnes
    • F16L5/02
    • F16L5/02
    • A molded plastic seal assembly, for use with a leaching or stormwater system component, comprises at least two embossed, preferentially eccentric, circles. Pulling on a tab tears out the interior portion of the seal, to create a hole which accommodates a first pipe diameter. A remaining crescent portion surrounding the hole has a multiplicity of perforations or other means for thinning. Thus, second larger diameter pipe pushed into said hole, deforms the crescent inwardly, so the hole diameter is increased, sufficient to fit and form a seal with the second pipe outside diameter. A seal assembly article made of polypropylene has a very thin wall at the bottom of the tear-out groove. Part of the injection mold is moved during molding, to enable filling of the mold in vicinity of the thin wall.
    • 用于浸出或雨水系统部件的模制塑料密封组件包括至少两个压花,优选偏心的圆形。 拉出卡舌撕开密封件的内部,以形成容纳第一管直径的孔。 围绕孔的剩余新月部分具有多个穿孔或用于变薄的其它装置。 因此,推入所述孔的第二较大直径的管子使新月向内变形,因此孔直径增加,足以与第二管外径配合并形成密封。 由聚丙烯制成的密封组合件在撕裂槽的底部具有非常薄的壁。 注射模具的一部分在模制期间移动,以使得能够在薄壁附近填充模具。