Bottle Bottom Movable Wall Ribs for Pressure Absorption
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Solution Overview
Problem
The existing bottle designs have limitations in pressure reduction-absorbing performance, which affects the efficient management of pressure changes inside the bottle.
Innovation Solution
The bottle features a movable wall portion with multiple ribs arranged radially around the bottle axis, each rib extending discontinuously in the radial direction and formed in a concave shape, increasing the surface area and allowing for uniform and flexible deformation in response to pressure changes, thereby enhancing pressure reduction-absorbing performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of moving object
If the movable wall portion is made larger to increase pressure-receiving area, then the pressure reduction-absorbing performance is improved, but the structural stability of the bottle bottom may deteriorate
Solution Approach 1:
The movable wall portion is segmented into multiple ribs arranged radially, which divides the large area into smaller structural units. This segmentation increases the total surface area for pressure reception while maintaining structural integrity through the rib framework, resolving the contradiction between area expansion and stability maintenance.
Solution Approach 2:
The ribs extend in the bottle radial direction, adding a dimensional element to the movable wall portion. This radial extension increases the pressure-receiving area without compromising the vertical structural stability of the bottle bottom, as the ribs are integrated into the existing bottom wall structure.
2Speed
If the movable wall portion is made more flexible to deform immediately in response to pressure changes, then the pressure reduction-absorbing performance is improved, but the structural strength may deteriorate
Solution Approach 1:
The ribs are formed with concave shapes recessed upward, creating local variations in structural properties. The concave portions provide flexibility for immediate deformation response to pressure changes, while the overall rib structure maintains sufficient strength to prevent structural failure during pressure reduction events.
3Reliability
If the ribs are arranged radially around the bottle axis to enable uniform deformation, then the pressure reduction-absorbing performance is improved, but the device complexity increases
Solution Approach 1:
The ribs are arranged radially around the bottle axis in an asymmetric pattern that follows the natural geometry of the bottle. This radial arrangement enables uniform deformation distribution during pressure reduction while avoiding overly complex structural designs, as the symmetry is adapted to the cylindrical bottle form rather than imposed artificially.
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 increased surface area and flexible deformation of the movable wall portion significantly improve the bottle's pressure reduction-absorbing capacity, ensuring reliable pressure management without deforming the body of the bottle.
Implementation Method 1
the movable wall portion is deformed immediately in response to pressure changes inside the bottle
Data Source
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AI summary
A bottle (1) is a bottle formed of synthetic resin materials in a cylindrical shape with a bottom. A bottom wall portion (19) in a bottom portion thereof includes a grounding portion (18) positioned at an outer circumferential edge thereof, a rising circumferential wall portion (21) connected to the grounding portion (18) from an inside of a bottle radial direction and extending upward, a movable wall portion (22) protruding from an upper end part of the rising circumferential wall portion (21) toward the inside of the bottle radial direction, and a recessed circumferential wall portion (23) extending upward from an inner end part in the bottle radial direction of the movable wall portion (22). The movable wall portion (22) is arranged to be movable upward together with the recessed circumferential wall portion (23), around a connected portion (25) with the rising circumferential wall portion (21). A plurality of ribs (26) are arranged in the movable wall portion radially around a bottle axis.