kitchenware

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Solution Overview

Problem

Kitchen utensils made from multiple materials face issues with bulkiness, weight, differential thermal and chemical reactions leading to aesthetic and functional defects, and recyclability challenges due to inseparable components.

Innovation Solution

A kitchen utensil design featuring a removable coupling mechanism between a plastic handle and a metal working portion, allowing for individual recycling and easy switching between different working portions, utilizing snap-fit, bayonet, or pressure combining means with a sleeve element for secure attachment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If kitchen utensils are made from multiple materials (plastic handle and metal working portion), then functional performance is improved, but recyclability deteriorates due to inseparable components

Engineering Contradiction:
Improvefunctional performanceVSAvoidrecyclability
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The utensil is divided into separate components (handle and working portion) that can be detached from each other. The handle and working portion are connected through a removable coupling mechanism, allowing them to be separated for individual recycling while maintaining functional performance when assembled.

Inventive Principle:
Principle #1Segmentation

2Ease of manufacture

If kitchen utensils are made in one piece from single material, then manufacturing simplicity is improved, but versatility deteriorates as each utensil can only perform a single function

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidfunctional versatility
Core Design Contradiction:
Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The handle is designed as a universal component that can be coupled with different working portions to perform multiple functions. The standardized removable coupling mechanism allows the same handle to work with various attachments, enabling one handle to serve multiple purposes across different kitchen tasks.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Stability of the object's composition

If handle and working portion are integrally coupled, then structural stability is improved, but adaptability deteriorates preventing replacement of working portions

Engineering Contradiction:
Improvestructural stabilityVSAvoidreplaceability of components
Core Design Contradiction:
Stability of the object's compositionVSAdaptability or versatility

Solution Approach 1:

The coupling mechanism transitions from a static integral connection to a dynamic removable connection. The combining means allow the handle and working portion to be assembled and disassembled while maintaining structural stability during use, providing both stability and adaptability through controlled reversibility.

Inventive Principle:
Principle #15Dynamics

4Adaptability or versatility

If different materials are used for handle and working portion, then functional suitability is improved, but aesthetic quality deteriorates due to differential thermal reactions causing blemishes

Engineering Contradiction:
Improvefunctional suitabilityVSAvoidaesthetic quality
Core Design Contradiction:
Adaptability or versatilityVSShape

Solution Approach 1:

By separating the handle and working portion into distinct components with different materials, each can be optimized for its specific function while the removable coupling allows users to separate them before thermal processing, preventing aesthetic damage at the interface while maintaining functional suitability.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentEP3512393B1kitchenware
Publication Date: 2020.10.28 LEBER SRL
  • EP3512393B1 patent drawingFigure 1~2
  • EP3512393B1 patent drawingFigure 3
  • EP3512393B1 patent drawingFigure 4

AI summary

The present invention refers to a kitchen utensil (1) comprising a first portion (2) including a handle (3) of the utensil and a second portion (4) including at least one working portion (5) of the utensil, and further comprising combining means (6) for a removable coupling of the first portion with the second portion, wherein the first portion (2) is made of a first material and the second portion (4) is made of a second material different from the first material, wherein the first material and the second material are essentially completely recyclable.