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    Leak detection systems and methods of detecting leakage
    12.
    发明授权
    Leak detection systems and methods of detecting leakage 有权

    公开(公告)号：US11585719B2

    公开(公告)日：2023-02-21

    申请号：US16731318

    申请日：2019-12-31

    Applicant: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION

    Inventor： Jian L. Ding ,  Michael J. Tzivanis ,  Charles S. Golub

    IPC: G01M3/18 ,  G01M3/04

    Abstract: A leak detection system comprising: an adapter configured to be coupled to a conduit and direct leakage from the conduit to a leakage sensor, wherein the adapter comprises a wick comprising: a hydrophilic material, a cationic polymer material, an anionic polymer material, a hydrophilic non-ionic material, or any combination thereof. A leak detection system comprising: a laminate adapted to transport leaked fluid from a conduit to a leakage sensor, wherein the laminate comprises: a wick adapted to transport the leaked fluid; and an adhesive adapted to secure the wick to the conduit. A leak detection system comprising: a wick disposed on a substrate and adapted to transport leaked fluid from a conduit to a leakage sensor, wherein the wick comprises a plurality of fluid channels in a matrix arrangement.

    LEAK DETECTION SYSTEMS AND METHODS OF DETECTING LEAKAGE
    15.
    发明申请
    LEAK DETECTION SYSTEMS AND METHODS OF DETECTING LEAKAGE 审中-公开

    公开(公告)号：US20200217741A1

    公开(公告)日：2020-07-09

    申请号：US16731318

    申请日：2019-12-31

    Applicant: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION

    Inventor： Jian L. Ding ,  Michael J. Tzivanis ,  Charles S. Golub

    IPC: G01M3/18 ,  G01M3/04

    Abstract: A leak detection system comprising: an adapter configured to be coupled to a conduit and direct leakage from the conduit to a leakage sensor, wherein the adapter comprises a wick comprising: a hydrophilic material, a cationic polymer material, an anionic polymer material, a hydrophilic non-ionic material, or any combination thereof. A leak detection system comprising: a laminate adapted to transport leaked fluid from a conduit to a leakage sensor, wherein the laminate comprises: a wick adapted to transport the leaked fluid; and an adhesive adapted to secure the wick to the conduit. A leak detection system comprising: a wick disposed on a substrate and adapted to transport leaked fluid from a conduit to a leakage sensor, wherein the wick comprises a plurality of fluid channels in a matrix arrangement.

    Flexible tubing having a stable flow rate and methods for making and using it
    20.
    发明授权
    Flexible tubing having a stable flow rate and methods for making and using it 有权

    公开(公告)号：US10578093B2

    公开(公告)日：2020-03-03

    申请号：US15934866

    申请日：2018-03-23

    Applicant: Saint-Gobain Performance Plastics Corporation

    Inventor： Charles S. Golub ,  Heidi Sardinha Lennon ,  Mark T. White ,  Joshua Becker ,  Lily Lei ,  Gerald H. Ling

    IPC: F04B43/08 ,  F16L11/06 ,  C08L23/12 ,  C08L25/06 ,  B32B1/08 ,  F04B43/12

    Abstract: The present disclosure relates generally to flexible tubing, for example, suitable for use in peristaltic pumps. The present disclosure relates more particularly to flexible tubing having a stable flow rate despite being extruded from thermoplastic polymer and methods for making such tubing. In one aspect, at least 50% of the material volume of a flexible tubing of the disclosure is formed from a first polymer material that includes a continuous phase that includes polypropylene and a non-cross-linked styrene block copolymer elastomer miscible with the polypropylene, as well as, dispersed within the continuous phase (e.g., discontinuously dispersed within the continuous phase), a cross-linked rubber phase. The non-cross-linked styrene block copolymer elastomer is present in the first polymeric material in an amount in the range of 2 wt % to 15 wt %. In certain desirable embodiments of the flexible tubings described herein, the flexible tubing has a flow rate variation over the 480 hours of use of less than 20%.

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