Improved Vacuum Coater
Patent No. EP3067437 (titled "Improved Vacuum Coater") was filed by Bobst Manchester on Mar 10, 2016. The application was issued on Nov 23, 2022.
Patent Summary
Method of operating a vacuum coater for metalizing web substrates, comprising injecting oxygen at a tangent to the drum to enhance metal adhesion, particularly for commodity-grade films such as PET, OPP, and CPP. The oxygen flow rate is optimized between 300-700 scm3/min/100mm of web width, and can be applied before or during metal deposition.
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EP3067437
- Application Number
- EP16159684A
- Filing Date
- Mar 10, 2016
- Status
- No Opposition Filed Within Time Limit
- Sep 29, 2023
- Publication Date
- Nov 23, 2022
- External Links
- Slate, Register , Google Patents