Beverage Container with Hydrophobic Coating for Consistent Bubbling
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Solution Overview
Problem
Existing beverage vessels fail to consistently produce high-quality bubbling, especially for beers with low alcohol content and low dissolved carbon dioxide levels, and are sensitive to variations during production.
Innovation Solution
A fizzy beverage container with an impervious wall and an internal surface coated with a hydrophobic polymerized siloxane layer, featuring recesses that form nucleation sites without penetrating the wall, ensuring consistent and robust bubbling performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a hydrophobic coating is applied to create nucleation sites, then bubble formation is improved, but the coating may deteriorate during washing cycles
Solution Approach 1:
The patent applies a composite structure combining a hydrophobic coating layer with an underlying roughened surface layer. This composite approach allows the hydrophobic coating to provide excellent nucleation sites for bubble formation while the roughened substrate provides mechanical anchoring and durability during washing cycles. The two-layer composite structure resolves the contradiction between achieving reliable bubbling performance and ensuring coating durability.
2Reliability
If material is removed to create nucleation zones, then bubble formation is improved, but manufacturing complexity increases
Solution Approach 1:
The patent creates a roughened surface layer as a preliminary action before applying the hydrophobic coating. This pre-prepared roughened substrate serves as an ideal anchor for the subsequent coating application, simplifying the overall manufacturing process. The preliminary creation of surface irregularities through controlled material removal or deposition provides a ready-made foundation that enhances both nucleation performance and coating adhesion without requiring complex multi-step processes.
3Reliability
If surface irregularities are created to promote bubbling, then nucleation sites are improved, but transparency and aesthetics are reduced
Solution Approach 1:
The patent applies local quality by creating surface irregularities only in specific zones where nucleation is desired, rather than making the entire surface rough. The hydrophobic coating is applied selectively to these localized roughened areas, allowing the bulk of the glass surface to remain smooth, transparent, and aesthetically pleasing. This localized approach resolves the contradiction between achieving effective nucleation sites and maintaining overall transparency and aesthetics.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The container achieves excellent bubble retention and consistent bubbling performance, even after multiple washing cycles, with reduced sensitivity to production variations and energy-efficient manufacturing.
Implementation Method 1
said internal surface comprises an area provided with a hydrophobic coating comprising a polymerized siloxane
Implementation Method 2
crevices in the internal surface trap air pockets. The interfaces between the liquid and the air pockets improve the gas exchanges
Implementation Method 3
a hydrophobic coating comprising a polymerized siloxane
Data Source
AI summary
Carbonated beverage container (1), particularly a glass, comprising a sealed wall made of at least one structural material defining an internal surface intended to receive the beverage, said internal surface comprising an area provided with a discontinuous hydrophobic coating (7) comprising a polymerized siloxane, a plurality of recesses (8) being provided in the hydrophobic coating (7), said recesses (8) not passing through the sealed wall.