Textured Egg Peeler for Fast Small-Batch Shell Separation
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Solution Overview
Problem
Existing methods for removing the shells of hard-boiled eggs are tedious and inefficient for home or low-volume commercial use, as commercial egg peeling machines are large, cumbersome, and expensive, making them unsuitable for small quantities.
Innovation Solution
A portable, low-cost egg peeler apparatus that uses a cylindrical main body with convex end caps and oval protrusions, allowing for the insertion of eggs and water, which is sealed and shaken to efficiently separate the egg shell from the egg white.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If commercial egg peeling machines are used, then peeling effectiveness is improved, but device size and cost increase
Solution Approach 1:
The invention divides the egg peeling function into a compact, portable apparatus that can be easily held and operated in one hand. The device segments the peeling action into discrete mechanical movements (squeezing and rubbing motions) that are performed by simple hand-operated components rather than a large automated machine, thus achieving effective peeling with minimal device size.
Solution Approach 2:
The egg peeler is designed to be self-operating through simple manual squeezing and rubbing motions. The user directly manipulates the egg between textured surfaces to remove the shell, eliminating the need for complex automated mechanisms, motors, or power sources that would increase device size and complexity.
2Productivity
If commercial egg peeling machines are used, then peeling effectiveness is improved, but cost increases
Solution Approach 1:
The egg peeler employs simple, inexpensive materials such as textured plastic or rubber surfaces that can be easily manufactured and replaced if needed. The design avoids expensive components, motors, electronics, or precision machining, making the device cost-effective to produce while maintaining peeling effectiveness through clever mechanical design rather than expensive materials.
Solution Approach 2:
By making the device manually operated without motors or power sources, the invention eliminates expensive components associated with automated systems. The peeling effectiveness is achieved through simple mechanical friction and pressure applied by the user, making the device inexpensive to manufacture while still performing the peeling function effectively.
3Device complexity
If manual peeling is used, then device simplicity is maintained, but time consumption increases
Solution Approach 1:
The egg peeler incorporates textured surfaces and rubbing motions that create mechanical friction and vibration during the peeling action. This mechanical action accelerates shell removal by breaking the bond between the shell and egg white more quickly than simple static friction, reducing the time required while maintaining device simplicity through passive mechanical means rather than active vibration generators.
Solution Approach 2:
The device transforms the static manual peeling process into a dynamic squeezing and rubbing motion. The user applies rhythmic compression and friction forces that accelerate shell removal compared to static handling, reducing time consumption while keeping the device simple and manually operated without motors or complex mechanisms.
Data Source
AI summary
An apparatus is described that permits a user to quickly and effortlessly separate an egg shell from the body of a hard-boiled egg. The apparatus has a hollow body into which an egg is inserted, a convex shaped bottom section and a convex shaped top portion. Additionally, the interior surface of the hollow body has a number of protrusions that contribute to peeling action. Eggs are inserted into the apparatus, water is added, the apparatus is sealed, the user agitates the apparatus for a short time, and then pours out the separated egg and egg shell along with the water.