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    GAS DIFFUSION LAYER AND PREPARATION METHOD THEREFOR
    4.
    发明申请
    GAS DIFFUSION LAYER AND PREPARATION METHOD THEREFOR 有权

    公开(公告)号：US20240384423A1

    公开(公告)日：2024-11-21

    申请号：US18690268

    申请日：2022-09-05

    Applicant: QINGKE NEW ENERGY TECHNOLOGY (SHANGHAI) CO., LTD.

    Inventor： Xuewei MAO ,  Weibing LIN ,  Biao TENG

    IPC: C25B11/032 ,  B21B1/22 ,  C25B11/063

    Abstract: Disclosed are a gas diffusion layer and a preparation method therefor, which comprises the following steps: S1: providing elongated recesses in parallel on a side surface of a metal sheet; S2: cutting the metal sheet provided with the elongated recesses into a desired shape; S3: stacking a plurality of cut metal sheets such that adjacent metal sheets are tightly attached and firmly connected to form a metal block having regular pore structures; and S4: cutting the metal block along a cross section of the metal block, where the cutting thickness matches the thickness of the desired gas diffusion layer, and a cut sheet structure with micropores being regularly distributed on the surface is used as the gas diffusion layer. The present invention can solve the problems that titanium fiber felts in the prior art have poor diversion performance, low contact efficiency and large contact surface resistance.

    ROLLING MILL WITH MOVABLE HOUSING AND SEALED DOOR
    6.
    发明公开
    ROLLING MILL WITH MOVABLE HOUSING AND SEALED DOOR 审中-公开

    公开(公告)号：US20240278300A1

    公开(公告)日：2024-08-22

    申请号：US18581767

    申请日：2024-02-20

    Applicant: FIVES DMS

    Inventor： Pierre GAROT

    IPC: B21B13/02 ,  B21B1/22

    CPC classification number: B21B13/02 ,  B21B1/22

    Abstract: A 20-high rolling mill configured for rolling a metal strip, which includes a housing system comprising two parts capable of moving relative to one another, respectively forming an upper housing part, configured to transmit a clamping force to the four backup roller assemblies, of the upper group, and an upper housing part, configured to transmit a clamping force to the four backup roller assemblies of the lower group, and a door cooperating, in a closed position, with a peripheral frame of a fixed frame structure of the housing system surrounding the maintenance window, said door closing, in a sealed manner, said maintenance window. A system of axial stops for the second intermediate rolls accompanies the movements of the upper and lower housing parts.

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