Multilayer structure, lighting device comprising such multilayer structure, and method for manufacturing a multilayer structure

A multilayer structure with plasma-treated carbonylic groups enhances the resistance and lifespan of packaging machine components by addressing chemical and thermal stress.

WO2026115150A1PCT designated stage Publication Date: 2026-06-04TETRA LAVAL HOLDINGS & FINANCE SA
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Patent Information

Application Number
PCT/EP2025/084774
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-11-29
Filing Date
2025-11-28
Publication Date
2026-06-04

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Abstract

There is described a multilayer structure (14) comprising: a substrate (15) made of transparent material; a coating (16) comprising functional carbonylic groups, wherein coating (16) is obtained by applying plasma treatment to substrate (15) There is also described a packaging machine (1) for producing sealed packages (2) containing a pourable product, the packaging machine (1) comprises at least one lighting device (10) and / or at least one protective case (17) and / or at least one protective wall (21) provided with the multilayer structure (14).
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Citation Information

Patent Citations

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    US20050194721A1

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    US20100213164A1

  • Transparent cover plate of plastic for motor vehicle headlight, and method of producing the same

    US6207270B1

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    WO2013120269A1