Expandable Bread Keeper With Cutting-Board Door and Vent Sealing
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Solution Overview
Problem
Homemade bread is challenging to store due to the lack of suitable containers that provide a sufficient seal and are easy to use for slicing and re-storage, as conventional options like plastic wrap, foil, and bags are inadequate.
Innovation Solution
A telescopically expandable bread keeper with a hingedly attached door that doubles as a cutting board, corrugated floor for easy bread sliding, and a handle that controls ventilation holes, along with resilient feet and a magnetic latch for secure closure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If plastic wrap or foil is used to store homemade bread, then the bread can be stored without a container, but the seal is insufficient and the bread becomes stale quickly
Solution Approach 1:
The bread keeper container features a nested structure with an inner container that fits within an outer container, creating a secure seal while maintaining ease of use. The inner container holds the bread and can be sealed, while the outer container provides additional protection and structural support, resolving the contradiction between effective sealing and operational convenience.
2Ease of operation
If containers with removable lids are used, then access to bread is easy, but the containers are not sized appropriately for storing bread
Solution Approach 1:
The bread keeper container incorporates a telescoping mechanism that allows the container to dynamically adjust its size. The inner container can extend or retract within the outer container, enabling the same container to accommodate different bread sizes and shapes while maintaining easy access through the hinged door design.
3Adaptability or versatility
If bags are used to hold bread, then the bread can be stored in appropriately sized containers, but the bags are awkward to use when removing and returning bread for slicing
Solution Approach 1:
The bread keeper container merges the storage function with a cutting board function by incorporating a hinged door that can serve as a cutting surface. The door is attached with hinges allowing it to fold back, creating a stable surface for slicing bread directly on the container, eliminating the need to remove bread from the container and resolve the contradiction between size appropriateness and slicing convenience.
4Ease of manufacture
If the container is made with smooth surfaces, then the container is easy to manufacture, but the bread is difficult to slide in and out
Solution Approach 1:
The bread keeper container applies local quality by incorporating a corrugated surface on the inner container only where bread contact occurs. The corrugated pattern provides friction and grip to facilitate easy sliding of bread in and out, while the rest of the container maintains smooth surfaces for ease of manufacture and cleaning.
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 bread keeper maintains bread freshness by providing an expandable, easy-to-use container that allows for convenient slicing and storage while preventing staleness through improved sealing and air circulation.
Implementation Method 1
The bread keeper may also include one or more resilient feet, including a resilient foot placed on the door to prevent it from sliding on a horizontal surface when the door is opened.
Implementation Method 2
In some examples, a latch is provided, and in one version the latch may be formed as a magnet and a mating contact surface.
Data Source
AI summary
A bread keeper is formed as storage container for holding bread, and may be configurable between expanded and contracted positions. A door is attached to allow access to the bread within the container. The door folds flat to rest on a horizontal surface such as a countertop, and is constructed from a material suitable for use as a cutting board, thereby allowing the bread to be cut while extending partially out of the container and onto the cutting board.


