Bottle Design with Corner Ribs and Vacuum Panels
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Solution Overview
Problem
Existing bottle designs face challenges in reducing weight and material usage while maintaining strength and load capacity, and accommodating vacuum deformation during pasteurization, which affects label positioning and registration.
Innovation Solution
A rectangular plastic bottle design featuring a corner rib array, vacuum panels, and a reinforced top portion with a deeper grip area, tapered heel corners, and a base with a push-up portion to distribute load effectively and resist deformation, allowing for reduced corrugate cardboard usage in shipping.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If conventional bottle designs are used, then manufacturing and shipping are straightforward, but weight and material usage are excessive, and strength-to-weight ratio is insufficient
Solution Approach 1:
The bottle is divided into distinct functional zones: a top portion with corner rib arrays for strength, a grip portion for labeling, and a base portion with vacuum panels for deformation accommodation. This segmentation allows each zone to be optimized independently, reducing overall material usage while maintaining strength.
Solution Approach 2:
Different structural features are applied to different locations: corner ribs are concentrated at high-stress corners rather than uniformly distributed, vacuum panels are placed specifically in the base portion where deformation occurs, and the grip portion has modified geometry for labeling. This localized optimization reduces material usage while maintaining performance.
2Weight of moving object
If material is reduced to decrease weight, then shipping cost decreases, but load bearing capacity and strength are compromised
Solution Approach 1:
The bottle structure is segmented into zones with different material distributions: the top portion has concentrated corner ribs for strength, the grip portion has reduced material, and the base has vacuum panels. This allows material to be placed only where structurally necessary, reducing overall weight while maintaining load capacity.
Solution Approach 2:
The bottle uses a composite structure combining rigid corner ribs for strength, flexible vacuum panels for deformation, and reduced-material grip portions for labeling. This composite approach optimizes the strength-to-weight ratio by using different structural configurations in different zones.
3Manufacturing precision
If vacuum panels are added to accommodate deformation, then label positioning is improved, but device complexity increases
Solution Approach 1:
The bottle is segmented into a top portion with corner ribs for strength and a base portion with vacuum panels for deformation accommodation. This segmentation allows the vacuum panels to be integrated into the base structure without adding complex components to the entire bottle, maintaining manufacturing simplicity while improving label registration.
Solution Approach 2:
The vacuum panels are merged with the base portion structure rather than being separate components. This integration reduces device complexity by combining multiple functions (structural support and vacuum accommodation) into a single integrated base structure.
Data Source
AI summary
A bottle includes a top portion and a bottom portion. The top portion includes a shoulder that extends away from a neck of the bottle, and a grip portion. The grip portion is recessed within the top portion of the bottle. The bottle may include a vacuum panel array and/or a rib array to help improve strength, reduce material and accommodate deformation forces tending to collapse the bottle upon filling with pasteurized contents.