Elastomer-Coated Cookware Handle for Cool, Non-Slip Grip
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Solution Overview
Problem
Cookware handles often become excessively hot during cooking, providing inadequate thermal insulation and comfort, and existing non-slip rubber sleeves fail to offer a soft, resilient grip, especially when hands are wet or contaminated.
Innovation Solution
A cookware handle design featuring a flange portion with an elongated member connected to a hanging end, covered by a thick elastomeric outer layer, including a flexible metal ribbon strap for reinforcement, to minimize heat transfer and provide a soft, non-slip, resilient grip.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If metal is used for the handle, then the handle is strong enough to support the cookware vessel, but the handle becomes excessively hot during cooking
Solution Approach 1:
The patent uses a composite structure with metal elongated member (providing strength) covered by thick elastomeric material (providing thermal insulation), allowing the handle to maintain both structural strength and low temperature during cooking
Solution Approach 2:
The thick elastomeric layer acts as an intermediary between the metal core and the user's hand, blocking heat transfer while allowing the metal to maintain its structural function, thereby resolving the contradiction between strength and temperature
2Ease of operation
If the elastomeric layer is made very soft to reduce hand stress, then the grip becomes comfortable, but the handle structure may deform
Solution Approach 1:
The patent creates a composite structure where the soft elastomeric outer layer (for comfort) is supported by the rigid metal elongated member (for structural stability), allowing the soft material to deform under pressure without compromising the overall handle structure
Solution Approach 2:
The patent applies different material properties to different regions: the elastomeric layer is soft where it contacts the hand (for comfort) while the metal core maintains rigidity throughout (for structural stability), resolving the contradiction between softness and structural integrity
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 design keeps the handle cool and reduces user hand stress with a comfortable, non-slip grip that maintains resilience and prevents deformation, ensuring effective thermal insulation and grip security.
Implementation Method 1
an elastomeric outer layer surround said elongated member... the superior thermal insulating properties of plastic minimize heat transfer to the grip portion held by the user
Implementation Method 2
Another important attribute of a cookware handle is that the grip is not slippery... many consumers now prefer kitchen utensils that also have a grip portion of a soft resilient material
Data Source
AI summary
A cookware handle with a soft non-slip surface is formed by molding elastomeric composition around a core or elongated member that connects a flange portion and the terminal end or hanging portion of the handle. The core or elongated member has a relatively narrow cross-section to minimize heat transfer from the pot so that the gripping portion remains cool during cooking.