Leather Panhandle Cover Conforming to Variable Handle Shapes
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Solution Overview
Problem
Cookware handles, particularly those of cast iron frying pans, become excessively hot during cooking, posing a risk of burns when handled directly, and existing solutions like oven gloves are cumbersome and prone to accidental contact with heating elements.
Innovation Solution
A heat-resistant panhandle cover made from a longitudinally-split tubular member, typically from leather, which flexes to fit various handle sizes and shapes, providing a secure and removable barrier between the hand and the hot handle.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a panhandle cover is designed to fit various handle sizes and shapes, then adaptability is improved, but manufacturing precision becomes more difficult to maintain
Solution Approach 1:
The patent utilizes the physical property of leather to change its shape and dimensions through heating and cooling cycles. The cover is heated to become pliable, allowing it to be molded around different handle shapes, then cooled to retain the conformed shape. This parameter change enables a single cover design to adapt to multiple handle configurations without requiring precision manufacturing for each variant.
Solution Approach 2:
The cover transitions between rigid and flexible states through temperature changes. When heated, the leather becomes dynamic and flexible, allowing it to be shaped around various handles. When cooled, it becomes rigid again, maintaining the conformed shape. This dynamic property resolution allows the cover to achieve both adaptability and functional stability.
2Temperature
If the cover is made from heat-resistant material like leather, then temperature resistance is improved, but ease of operation for removal and reattachment is worsened
Solution Approach 1:
The patent employs periodic heating and cooling cycles to enable easy operation. The cover is periodically heated to become flexible for removal or reattachment, then cooled to maintain its protective function. This periodic thermal treatment allows the heat-resistant material to periodically transition to a flexible state, making it easy to operate despite its inherent heat resistance.
3Device complexity
If the tubular member is made as a single piece, then device complexity is reduced, but adaptability to different handle shapes is worsened
Solution Approach 1:
The single-piece tubular cover achieves adaptability through parameter changes in the leather material. By heating the leather, it becomes pliable and can be molded around different handle shapes. The single-piece construction is maintained while the material properties change, allowing the simple design to adapt to various configurations without requiring segmentation or complex assembly.
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
Enables safe handling of cookware by conforming to unique handle sizes and shapes, preventing burns and allowing for easy cleaning and reattachment to different cookware items.
Implementation Method 1
leather has high heat resistance and most importantly will conform to the shape of the panhandle with use. This conformity to the panhandle increases with use and the heating and cooling of the cover.
Data Source
AI summary
A panhandle cover made of a heat-resistant material including leather is generally of a longitudinally-split tubular configuration with its longitudinal split having the converging flanks overlapping one inside the other. The nature of genuine leather enables the flanks to conform to any pan-handle as it wraps around the handle. The flexibility of the leather cover adapts to the handle with conformity to the handle-configuration through use.