Glass Container Luster Coating Through Staged Thermal Treatment
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Solution Overview
Problem
Conventional luster decoration methods for glass containers suffer from inconsistency in finish quality, durability issues, and high energy consumption, leading to diminished aesthetic appeal, practicality, and economic viability.
Innovation Solution
A method involving the application of a luster composition followed by a precise thermal treatment with controlled heating and cooling stages, using specific temperature increase rates and durations, and employing ventilation hatches to optimize the process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional luster application methods are used, then the process is simple and easy to implement, but the finish quality is inconsistent and durability is poor
Solution Approach 1:
The patent applies parameter changes by implementing a multi-stage thermal treatment process with specific temperature ranges (150-170°C, 390-410°C, 570-590°C) and controlled heating rates (70-90°C/h, 110-130°C/h, 190-210°C/h). These precise parameter controls transform the luster composition into a durable, consistent finish that adheres strongly to the glass container, resolving the contradiction between finish quality and process complexity.
2Productivity
If conventional heating and cooling processes are used, then the procedure is straightforward, but energy consumption is high and production throughput is reduced
Solution Approach 1:
The patent segments the thermal treatment into three distinct heating stages with specific temperature targets (150-170°C, 390-410°C, 570-590°C) and controlled cooling phases. This segmentation allows for optimized energy usage at each stage, preventing excessive energy consumption while maintaining production efficiency. The ventilation hatch operations are also segmented to occur at specific temperature thresholds, further optimizing energy management.
Solution Approach 2:
The patent employs periodic action through cyclic heating and cooling operations with specific duration ranges (1-3 hours heating, 0.5-2 hours cooling). This periodic thermal cycling ensures complete luster curing and proper adhesion while controlling overall energy consumption and maintaining productive throughput by establishing repeatable, efficient cycles.
3Reliability
If conventional luster finishes are applied, then the application process is quick, but the finish is prone to chipping, fading, and wear over time
Solution Approach 1:
The patent applies preliminary action by conducting a multi-stage thermal treatment that progressively builds luster durability. The first stage (150-170°C) prepares the luster composition for adhesion, the second stage (390-410°C) develops strength, and the third stage (570-590°C) finalizes the durable finish. This preliminary, systematic treatment ensures the luster resists chipping, fading, and wear, making the process time-efficient despite the multiple stages.
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 method achieves a consistent, durable, and energy-efficient luster finish with improved aesthetic appeal, enhancing the practicality and economic viability of glass containers.
Implementation Method 1
subjecting it to a precise thermal treatment in an oven. The thermal treatment comprises a series of heating and cooling stages, with specific temperature increase rates and durations
Implementation Method 2
The oven includes ventilation hatches which are opened or closed depending on the temperature inside the oven. The method ensures efficient residue elimination
Data Source
Figure 1
AI summary
The current invention relates to a method for decorating a glass container with luster, comprising the steps of: (i) applying a luster composition, comprising a luster and a luster thinner onto a glass container,(ii) transferring said glass container to an oven, wherein said glass container is subjected to a thermal treatment, and (iii) removing said glass container from said oven.