DOUBLE-SIDEDLY COATING A POROUS WEB WITH A DOPE USING A WEB POSITIONING ELEMENT

    公开(公告)号:US20240058835A1

    公开(公告)日:2024-02-22

    申请号:US18270015

    申请日:2021-12-30

    发明人: Willy DOYEN

    摘要: A coating apparatus for double-sidedly coating a porous web with a dope, includes: (i) a slot-die coating head comprising an upper lip, a lower lip and a slot between the upper lip and the lower lip, (ii) a counter element arranged opposite the lower lip across a reference plane, (iii) a slit defined between the lower lip and the counter element for passing a porous web therebetween, the slot opening up towards the slit, and (iv) a web positioning element. The web positioning element is the upper lip of the slot-die coating head. The upper lip protrudes up to the reference plane so that there is an offset between the upper lip and the lower lip, or a spacing structure on the counter element. The spacing structure protrudes up to the reference plane so that there is an offset between the spacing structure and the counter element.

    Coating device and coating method

    公开(公告)号:US11541414B2

    公开(公告)日:2023-01-03

    申请号:US17343343

    申请日:2021-06-09

    IPC分类号: B05C3/12 B05D7/00

    摘要: A coating device configured to apply a coating liquid to both surfaces of a substrate that has a sheet shape and is transported. The coating device includes: a pair of blocks facing each other in a thickness direction of the substrate; and a liquid reservoir that is formed such that the coating liquid is accumulated in a gap between the pair of blocks, and through which the substrate passes, wherein the liquid reservoir includes: an introduction port that is opened on an upstream side in a transport direction of the substrate and through which the substrate is introduced, a discharge port that is opened on a downstream side in the transport direction and through which the substrate is discharged, and side surface portions respectively positioned on both sides in a width direction intersecting the transport direction, at least a side surface portion on one side of the both sides in the width direction among the side surface portions has an exposure port that is opened from the introduction port to the discharge port, and a part of the substrate in the width direction is configured to protrude from the exposure port to an outside of the liquid reservoir.

    COATING DEVICE AND COATING METHOD

    公开(公告)号:US20220001413A1

    公开(公告)日:2022-01-06

    申请号:US17343343

    申请日:2021-06-09

    IPC分类号: B05C3/12 B05D7/00

    摘要: A coating device configured to apply a coating liquid to both surfaces of a substrate that has a sheet shape and is transported. The coating device includes: a pair of blocks facing each other in a thickness direction of the substrate; and a liquid reservoir that is formed such that the coating liquid is accumulated in a gap between the pair of blocks, and through which the substrate passes, wherein the liquid reservoir includes: an introduction port that is opened on an upstream side in a transport direction of the substrate and through which the substrate is introduced, a discharge port that is opened on a downstream side in the transport direction and through which the substrate is discharged, and side surface portions respectively positioned on both sides in a width direction intersecting the transport direction, at least a side surface portion on one side of the both sides in the width direction among the side surface portions has an exposure port that is opened from the introduction port to the discharge port, and a part of the substrate in the width direction is configured to protrude from the exposure port to an outside of the liquid reservoir.

    Pressurization coating systems, methods, and apparatuses

    公开(公告)号:US10576491B2

    公开(公告)日:2020-03-03

    申请号:US15673256

    申请日:2017-08-09

    摘要: Exemplary pressurization and coating systems, methods, and apparatuses are described herein. In certain embodiments, pressurization systems, methods, and apparatuses are used in conjunction with coating systems, methods, and apparatuses to control pressure about a substrate after a coating material is applied to a surface of the substrate. An exemplary system includes a die tool configured to apply a coating material to a substrate passing through the die tool and a pressurization apparatus attached to the die tool and forming a pressurization chamber. The pressurization apparatus is configured to receive the substrate from the die tool and control pressure about the substrate in the pressurization chamber. In certain embodiments, the die tool forms a coating chamber and is configured to apply the coating material on at least one surface of the substrate in the coating chamber.

    Optical fiber re-coating device
    8.
    发明授权

    公开(公告)号:US10252287B2

    公开(公告)日:2019-04-09

    申请号:US14903824

    申请日:2014-10-03

    申请人: FUJIKURA LTD.

    摘要: An optical fiber re-coating device of the invention includes an optical fiber coater that cures resin and coats a coating-removed portion of an optical fiber therewith. The optical fiber re-coating device includes: a resin reservoir tank that stores the resin which is before subjected to curing; a pump that supplies the resin stored in the resin reservoir tank to an optical fiber coater; and an air bubble separator that separates air bubbles included in the resin from the pump therefrom, sends the resin from which the air bubbles are separated to the optical fiber coater, and returns the resin including the separated air bubbles to the resin reservoir tank.