Methods for producing laminates
By employing a continuous method and feedback loop to adjust the position in wound dressing production, the problem of tension introduction during material cutting and transfer was solved, achieving high-efficiency production and low waste rate of wound dressings.
CN122138810APending Publication Date: 2026-06-02T J SMITH & NEPHEW
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- T J SMITH & NEPHEW
- Filing Date
- 2024-11-13
- Publication Date
- 2026-06-02
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Figure CN122138810A_ABST
Abstract
A continuous method for forming a laminate comprising a deformable layer is disclosed, the use of the laminate in a wound dressing, and an apparatus for the method. The laminate comprises a discrete deformable first layer and a substantially continuous second layer. The method includes supplying a substantially continuous layer of deformable material at a first feed rate and a substantially continuous second layer at a second feed rate, wherein the second feed rate is greater than the first feed rate; cutting the substantially continuous layer of deformable material into discrete portions; transferring the discrete portions of the deformable first layer to a transfer device that travels at substantially the same rate as the substantially continuous layer of deformable material; and transferring the discrete portions of the deformable first layer from the transfer device to the second layer at predetermined positions on the second layer such that the surface of the deformable layer contacts the surface of the second layer.
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