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    Secondary containment system and method
    7.
    发明授权
    Secondary containment system and method 失效
    二次收容系统及方法

    公开(公告)号：US5022685A

    公开(公告)日：1991-06-11

    申请号：US396222

    申请日：1989-08-21

    申请人： Hal Stiskin ,  Joseph M. Hogan ,  Thomas A. Jones

    发明人： Hal Stiskin ,  Joseph M. Hogan ,  Thomas A. Jones

    IPC分类号： F16L13/10 ,  F16L39/00 ,  F16L59/14

    CPC分类号： B29C65/58 ,  B29C65/542 ,  B29C65/72 ,  B29C66/0384 ,  B29C66/12421 ,  B29C66/12449 ,  B29C66/12461 ,  B29C66/12464 ,  B29C66/12469 ,  B29C66/1248 ,  B29C66/322 ,  B29C66/543 ,  B29C66/54721 ,  B29C66/54741 ,  B29C66/8286 ,  F16L39/005 ,  B29C65/4835 ,  B29C66/71 ,  B29C66/73921 ,  B29C66/97 ,  B29L2031/246 ,  Y10S285/914 ,  Y10S285/919

    摘要： A secondary containment pipe system disposed around a primary pipe system and comprising a joint that is divided along a central parting plane and has laterally projecting flanges that form internal passages for adhesive sealing cement, that is injected through ports while the joint is clamped together around secondary containment pipes. The joint has pipe sockets that have internal grooves that also are filled with injected cement, thus forming a continuous, uninterrupted seal around the interior of the joint, and also has spillover grooves and wells for minimizing leakage, and lateral aligning surfaces. The clamping means are C-shaped clips that can be left in place indefinitely. The secondary containment pipes also are divided, being formed by elongated pipe elements fitted together around the primary pipes and having snap-latching coupling means along their abutting edges. One embodiment has internal reinforcing flaps that extend across the abutting edges and define internal sealing passages along the coupling means to be filled with injected adhesive cement through external ports, and also has means along the free edges for holding the flaps in place. A second pipe embodiment has tongue-and-groove couplings along thickened edges, and internal passages along the couplings in the form of enlarged coupling grooves, and an external reinforcing strip is provided for optional use in pressurized systems.

    摘要翻译： 一种辅助容纳管系统，设置在主管道系统周围并且包括沿着中心分离平面分割的接头，并且具有横向突出的凸缘，该凸缘形成用于粘合剂密封粘合剂的内部通道，其通过端口注入，同时接头围绕次级 遏制管道 接头具有管槽，其内部凹槽也填充有注入的水泥，从而在接头内部形成连续，不间断的密封，并且还具有用于最小化泄漏的外溢槽和井以及侧向对准表面。 夹持装置是可以无限期地保持就位的C形夹子。 次级容纳管也被分开，由围绕主管装配在一起的细长的管元件形成，并沿其邻接边缘具有卡扣联接装置。 一个实施例具有延伸穿过邻接边缘并且沿联接装置限定内部密封通道的内部加强翼片，以通过外部端口填充注射的粘合剂粘合剂，并且还具有沿着自由边缘的装置，用于将翼片保持在适当位置。 第二管实施例具有沿着加厚边缘的舌槽耦合，并且沿着联接器的内部通道以扩大的联接槽的形式提供，并且提供外部加强条以用于加压系统中。

    Plastic pipe joint
    8.
    发明授权
    Plastic pipe joint 失效
    塑料管接头

    公开(公告)号：US4508368A

    公开(公告)日：1985-04-02

    申请号：US353157

    申请日：1982-03-01

    申请人： James J. Blumenkranz

    发明人： James J. Blumenkranz

    IPC分类号： B29C65/34 ,  F16L47/03 ,  F16L47/02

    CPC分类号： F16L47/03 ,  B29C65/342 ,  B29C65/3464 ,  B29C65/348 ,  B29C66/1222 ,  B29C66/1224 ,  B29C66/5221 ,  B29C66/81471 ,  B29C65/3468 ,  B29C66/8223 ,  B29C66/8286

    摘要： A joint configuration for joining two articles of thermoplastic material by thermal bonding using an electrical heating element, wherein a female fitting having a portion with an enlarged diameter receives the end of an inserted pipe on two raised portions constituting lands on the inner diameter of the fitting, and the central annular recess between the two lands receives and positions the electrical heating element which fuses the thermoplastic material. The two lands, each compressed against the outside of the inserted pipe by an external clamp, confine and retain the fused thermoplastic material within the central annular recess to effect an increased internal pressure which promotes the formation of an extensive, continuous, and sound bond between the fitting and the inserted pipe.

    摘要翻译： 一种用于使用电加热元件通过热粘合来接合两种热塑性材料的接合构造，其中具有一个具有较大直径的部分的阴配件在插入管的端部上接纳两个凸起部， ，并且两个平台之间的中心环形凹部接收并定位熔化热塑性材料的电加热元件。 两个平台通过外部夹具压靠在插入的管的外部，将熔融的热塑性材料限制并保持在中央环形凹部内，以实现增加的内部压力，从而促进形成在 配件和插管。

    Method for splicing web end portions with plastic rivets
    9.
    发明授权
    Method for splicing web end portions with plastic rivets 失效
    用塑料手套分离网端部分的方法

    公开(公告)号：US3853654A

    公开(公告)日：1974-12-10

    申请号：US33658273

    申请日：1973-02-28

    申请人： EASTMAN KODAK CO

    发明人： PATTON D

    IPC分类号： B29C65/50 ,  B29C65/60 ,  B65H21/00 ,  G03D15/04 ,  B31F5/00

    CPC分类号： G03D15/043 ,  B29C65/18 ,  B29C65/4815 ,  B29C65/4825 ,  B29C65/5021 ,  B29C65/5042 ,  B29C65/609 ,  B29C66/1122 ,  B29C66/1142 ,  B29C66/43 ,  B29C66/81429 ,  B29C66/8221 ,  B29C66/8227 ,  B29C66/8286 ,  B29C66/8324 ,  B29C66/83413 ,  B65H21/00 ,  B65H2301/46325 ,  Y10T156/1056 ,  Y10T156/1304

    摘要： Web end portions are spliced together with plastic rivets formed from a soft pliable plastic. To form a splice, a patch of thermoplastic having the property of expanding when subjected to heat and pressure such as chlorinated polyethylene material, is placed on a splicing base. A pair of web end portions to be spliced together are placed in abutting or overlapped relation on the platic material to form a web-patch sandwich. A platen having an opening in register with the patch is brought into pressure engagement with the web-patch sandwich to form a pressurized plastic bubble extending into the opening. A heated pin of substantially the same configuration as the opening is moved therethrough for confining the opening and inserting a necked down head at the end thereof into the plastic in the bubble. The combination of heat, pressure and gas formation within the thermoplastic causes the visco-elastic plastic to expand through the opening in the web formed by the pinhead to fill the confined opening and form a plastic rivet head on the surface of the web opposite the patch.

    摘要翻译： 纤维网端部用由柔软的柔韧塑料形成的塑料铆钉拼接在一起。 为了形成接头，在接合基底上放置具有受热和压力如氯化聚乙烯材料膨胀性能的热塑性塑料片。 要拼接在一起的一对腹板端部以邻接或重叠的关系放置在柔性材料上以形成网状贴片三明治。 具有与贴片对齐的开口的压板与网状贴片三明治压力接合以形成延伸到开口中的加压塑料泡沫。 与开口基本相同的构造的加热销被移动穿过其中以限制开口并将其端部处的颈缩头部插入气泡中的塑料。 在热塑性塑料中的热，压力和气体形成的组合使得粘弹性塑料通过由针头形成的网状物中的开口膨胀以填充限制的开口并且在相对于贴剂的幅材表面上形成塑料铆钉头 。