Vessel with highly-reflective interior surface
A metal vessel with a highly-reflective interior surface addresses cleaning and sanitization issues in reusable bottles by providing a smooth, non-porous finish that enhances cleanability and prevents corrosion and contamination.
US20260184460A1Pending Publication Date: 2026-07-02SEALS ROBERT LYN
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Patent Information
- Application Number
- US19/547625
- Authority / Receiving Office
- US · United States
- Patent Type
- Applications(United States)
- Current Assignee / Owner
- Priority Date
- 2023-09-26
- Filing Date
- 2026-02-23
- Publication Date
- 2026-07-02
AI Technical Summary
Technical Problem
Reusable metal water bottles face challenges in cleaning and sanitization due to rough interior surfaces, leading to beverage contamination, corrosion, and potential health hazards from microorganism growth and taste alteration.
Method used
A metal vessel with a highly-reflective, mirror-like interior surface finish, formed through a passivation process, which creates a smooth, non-porous layer that enhances cleanability and prevents corrosion, reducing microbial retention and taste alteration.
Benefits of technology
The smooth, reflective surface facilitates easy cleaning and sterilization, minimizing contamination risks and maintaining beverage quality, while meeting health and safety standards.
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Smart Images

Figure US20260184460A1-D00000_ABST
Abstract
Embodiments described herein include a vessel, for example, a beverage container, configured for containing a liquid, the vessel may be formed of a metal body and includes an interior food contact surface with a pre-determined surface roughness. In embodiments, the interior food contact surface includes a mirror-like, highly-reflective finish, in embodiments, the interior food contact surface prevents taste alteration from the metal body from into the contained liquid, in embodiments, the interior food contact surface promotes cleanability and / or sterilization for vessel reuse and prevents bacterial buildup.
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