Insulated Lunch Box With Separate Compartments for Temperature Control

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Solution Overview

Problem

Existing food storage systems fail to effectively maintain the temperature of hot and cold foods separately and prevent the mixing of different food items during transport and storage.

Innovation Solution

A food storage container with separate interior compartments, an insulated component, and a secure lid system that maintains temperature constancy using air, Styrofoam, or plastic honeycomb insulation, along with a removable divider and a user-friendly opening lever for easy access, ensuring the separation and safe transport of various food types.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If a single container is used for food storage, then the device complexity is reduced, but the temperature maintenance capability and food separation capability deteriorate

Engineering Contradiction:
Improvecontainer structureVSAvoidtemperature maintenance
Core Design Contradiction:
Device complexityVSTemperature

Solution Approach 1:

The container is divided into multiple compartments separated by dividers, allowing different food items to be stored separately. Each compartment can maintain different temperatures, and the segmentation enables both hot and cold food storage within a single container structure.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The container employs a nested structure where compartments are arranged within the main container body, with dividers creating hierarchical separation. This nesting approach maintains temperature zones while organizing multiple food items efficiently within the available space.

Inventive Principle:
Principle #7Nested doll (Nesting)

2Device complexity

If a single container is used for food storage, then the device complexity is reduced, but the food separation capability deteriorates

Engineering Contradiction:
Improvecontainer structureVSAvoidfood separation capability
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

The container is divided into multiple compartments separated by dividers, allowing different food items to be stored separately. The segmentation enables flexible organization of various food types including solids, liquids, and items requiring different temperature conditions.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The container features removable and adjustable dividers that can be reconfigured based on storage needs. This dynamic structure allows users to adapt the compartment layout to different food items and portion sizes, enhancing versatility without requiring multiple separate containers.

Inventive Principle:
Principle #15Dynamics

3Temperature

If an insulated component is added to maintain temperature, then the temperature maintenance capability is improved, but the device complexity and manufacturing difficulty increase

Engineering Contradiction:
Improvetemperature maintenanceVSAvoidmanufacturing difficulty
Core Design Contradiction:
TemperatureVSEase of manufacture

Solution Approach 1:

The container utilizes composite construction combining insulating materials with structural components. The insulation layer is integrated into the container walls and compartment structures, using materials that provide thermal protection while maintaining ease of manufacturing through standardized composite panel production.

Inventive Principle:
Principle #40Composite materials

4Ease of operation

If a threaded lid with opening lever is used, then the ease of operation is improved for people with limited hand strength, but the device complexity increases

Engineering Contradiction:
Improvelid opening easeVSAvoidlid mechanism
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The opening lever extends the opening mechanism into a rotational dimension, allowing users to apply force at a distance from the lid seal. This lever arm provides mechanical advantage for users with limited hand strength, converting a simple twist motion into a more accessible pushing motion.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

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 container effectively keeps food at a consistent temperature for a long period, prevents food mixing, and is easy to use for people with limited hand strength or children, making it suitable for various portable meal activities.

Implementation Method 1

The insulated component can have air, Styrofoam, a plastic honeycomb or a vacuum between the inner wall and the outer wall to maintain food at a substantially constant temperature

Methodology Applied
Scientific EffectThermal Insulation: Thermal Insulation

Data Source

PatentUS9414701B1Insulated lunch box
Publication Date: 2016.08.16 OMIELIFE INC
  • US9414701B1 patent drawing
  • US9414701B1 patent drawing
  • US9414701B1 patent drawing

AI summary

A food storage container is disclosed. The food storage container has a one or more water tight compartments. The food storage container can have an insulated component that can maintain food at substantially constant temperature over a relatively long period of time. The insulated component can be secured to the food storage container with a securing insert that prevents the insulated component from moving or rotating when in use. The insulated component can be removed. The insulated component can have a lid with an opening lever feature that makes it easy for users to open the lid. The food storage container can have a removable divider that can be used to create a plurality of smaller compartments. The food storage container can have a latch and hinge assembly to close the lid and tray. The food storage container can have an integral handle to provide a carrying solution.