Dual-Opening Bottle With Removable Base for Easy Cleaning
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Solution Overview
Problem
Conventional bottles with narrow openings make it difficult to refill and clean, especially the shoulder area, and existing removable bases often trap condensation or liquid between the base and the bottle.
Innovation Solution
A bottle design with two openings, one at the top and one at the bottom, featuring a removable base with a larger diameter than the bottle, includes a removable cap covering the first opening and a removable base, and a removable base, which facilitates easy cleaning and prevents internal lips or ridges within the reservoir, and a tapering internal taper, and a tapering internal diameter from the shoulder to the second opening, along with a flexible material for the base to prevent condensation and impact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a narrow opening is used at the top of the bottle, then pouring precision is improved, but cleaning difficulty increases
Solution Approach 1:
The bottle is divided into two functional openings: a narrow top opening for precise pouring and a wide bottom opening for easy cleaning and refilling. This segmentation allows each opening to optimize its specific function without compromise.
Solution Approach 2:
Instead of having the functional opening at the top, the invention places a large functional opening at the bottom of the bottle. This inversion solves the cleaning difficulty problem while maintaining the narrow top opening for pouring precision.
2Ease of operation
If a removable base is added to the bottle, then cleaning ease is improved, but liquid trapping increases
Solution Approach 1:
The removable base is designed to sit substantially flush with the bottom exterior surface of the bottle, creating an equipotential surface that prevents liquid accumulation in gaps or recesses, thereby eliminating the liquid trapping problem.
Solution Approach 2:
The removable base incorporates a tapered internal diameter that matches the bottle's shoulder taper, creating a smooth transition surface that prevents liquid buildup at the interface between the base and bottle.
3Ease of operation
If a removable base with larger diameter than bottle is used, then cleaning access is improved, but structural stability worsens
Solution Approach 1:
The removable base features a tapered internal diameter that locally matches the bottle's shoulder geometry, creating a precise fit that enhances structural stability while maintaining overall larger diameter for cleaning access.
Solution Approach 2:
The tapered curved surface of the removable base complements the bottle's shoulder curvature, creating a smooth transitional interface that distributes mechanical stresses evenly and maintains structural integrity.
Data Source
AI summary
The present application relates to a bottle comprising a reservoir, a first opening on a first end of the bottle providing access to the reservoir, a second opening on a second end of the bottle providing access to the reservoir; and a removable base covering the second opening.


