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    METHOD FOR DYEING A HOOK-AND-LOOP FASTENER STRAP
    1.
    发明申请
    METHOD FOR DYEING A HOOK-AND-LOOP FASTENER STRAP 有权

    公开(公告)号：US20250059706A1

    公开(公告)日：2025-02-20

    申请号：US18805429

    申请日：2024-08-14

    Applicant: Gottlieb Binder GmbH & Co. KG

    Inventor： Lars Heepe ,  Konstantinos Poulakis ,  Markus Schneider

    IPC: D06P1/39 ,  D06P1/00 ,  D06P3/24 ,  D06P5/02

    Abstract: A method for dyeing a hook-and-loop fastener strap is disclosed. The hook-and-loop fastener strap continuously passes through a basic or neutral dyeing solution in a dyeing device. The dyeing solution attaches itself to the hook-and-loop fastener strap. The dyeing solution has a dye that binds to the hook-and-loop fastener strap only when the dyeing solution is in an acidic state. After passing through the dyeing device, the hook-and-loop fastener strap with the deposited dyeing solution is passed through a damper, causing the dyeing solution to become acidic. The dye adheres to the hook-and-loop fastener strap to dye the hook-and-loop fastener strap. A dyeing system for implementing the method is also disclosed.

    DIFFERENTIALLY VAT DYED YARNS AND METHOD OF MAKING THE SAME
    3.
    发明公开
    DIFFERENTIALLY VAT DYED YARNS AND METHOD OF MAKING THE SAME 审中-公开

    公开(公告)号：US20240125013A1

    公开(公告)日：2024-04-18

    申请号：US18278287

    申请日：2022-02-22

    Applicant: WILANA CHEMICAL, LLC

    Inventor： Ralph R. Sargent ,  Dennis J. Jones, JR.

    IPC: D02G3/44 ,  D02G3/28 ,  D02G3/34 ,  D06P3/24 ,  D06P3/82

    CPC classification number: D02G3/445 ,  D02G3/28 ,  D02G3/346 ,  D06P3/243 ,  D06P3/8209 ,  D10B2331/02

    Abstract: Yarns are described herein which, in some embodiments, comprise plies or single strands dyed with at least one vat dyestuff yielding a tweed or heathered appearance. In one aspect, a yarn comprises a first ply and a second ply each dyed with at least one vat dyestuff, wherein a difference in color depth (DL*) between the dyed first single strand and the dyed second single strand has an absolute value of at least 2 when the vat dyestuff is in an oxidized state. As described further herein, the first ply and the second ply are dyed in the same dyebath. In another aspect, a yarn comprises a first ply and a second ply each dyed with at least one vat dyestuff, wherein a reflectance ration between the second ply and the first ply ranges from 0.05 to 0.95.

    METHOD FOR DYEING MOULDED PARTS MADE FROM A POLYMER
    9.
    发明申请
    METHOD FOR DYEING MOULDED PARTS MADE FROM A POLYMER 有权

    公开(公告)号：US20220145530A1

    公开(公告)日：2022-05-12

    申请号：US17581549

    申请日：2022-01-21

    Applicant: DyeMansion GmbH

    Inventor： Alena FOLGER

    IPC: D06P3/24 ,  B33Y40/20 ,  D06P5/04 ,  D06P3/34 ,  D06P3/79

    Abstract: A method is provided for dyeing a molded part produced in a 3D printing process with a polymer. The method includes a dyeing step for dyeing the surface of the molded part with a dye, and a first post-treatment step for fixing the dye which has penetrated the surface of the molded part. Optionally, a second post-treatment step can be carried out in order to achieve even better fixing of the dye which has penetrated the surface of the molded part.

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