Synthetic Resin Bottle Decompression Panels
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Solution Overview
Problem
Synthetic resin bottles face challenges in achieving both decompression absorbing performance and a perfect circular cylindrical exterior appearance when a label is attached, as existing designs either compromise on shape or performance.
Innovation Solution
The design incorporates eight decompression absorbing panels disposed at equal intervals with pillar sections formed by arcuate wall surfaces, where the arcuate wall surfaces configure parts of an imaginary perfect circle, and the total circumferential length of these pillar sections is between 20 to 50% of the perfect circle's circumference, ensuring both decompression absorption and a cylindrical shape appearance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If decompression absorbing sections are provided in the body section, then decompression absorbing performance is improved, but the exterior appearance deviates from a perfect circle cylindrical shape
Solution Approach 1:
The patent applies local quality by providing decompression absorbing sections only at specific locations (bottom plate and shoulder section) rather than uniformly across the entire body section. The body section maintains a smooth cylindrical shape while localized recessed sections absorb decompression forces, resolving the contradiction between overall shape integrity and localized decompression functionality.
Solution Approach 2:
The patent segments the decompression absorbing function into separate locations: recessed sections at the bottom plate and recessed sections at the shoulder section. This segmentation allows the main body section to maintain a perfect circle cylindrical shape while distributed recessed sections provide the necessary decompression absorption throughout the bottle structure.
2Strength
If reinforced sections with cylindrical grooves are arranged in parallel, then structural strength is improved, but the exterior appearance shows visible grooves that deviate from a perfect circle
Solution Approach 1:
The patent applies local quality by placing reinforced sections with cylindrical grooves specifically at the shoulder section rather than uniformly across the body. This localized reinforcement provides structural strength where needed (at the transition zone between body and neck) while keeping the main body section smooth and cylindrically shaped.
Solution Approach 2:
The patent segments the reinforcement function to specific locations: the body section maintains a smooth cylindrical shape while the shoulder section contains reinforced sections with cylindrical grooves. This spatial segmentation allows strength enhancement at critical locations without compromising the overall perfect circle cylindrical appearance of the bottle body.
Data Source
AI summary
Synthetic resin bottle (1) including tube-shaped body section (3) comprises eight decompression absorbing panels (8) disposed at equal intervals in body section (3) and pillar sections (9) respectively disposed between said decompression absorbing panels (8) and formed by arcuate wall surfaces (9a). Arcuate wall surfaces (9a) of pillar sections (9) in a cross section of body section (3) configure parts of one imaginary perfect circle (10). A total of circumferential lengths of arcuate wall surfaces (9a) of pillar sections (9) is 20 to 50% of a total circumferential length of perfect circle (10). Consequently, it is possible to realize the synthetic resin bottle having decompression absorbing performance in order to absorb a decrease in internal pressure, the exterior of the body section of the synthetic resin bottle being seen as a cylindrical shape whose shape is almost the same as that of a perfect circle.