Expandable Food Packages With Integrated Volume Indicators
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Solution Overview
Problem
Existing food packaging technologies fail to indicate when un-proofed dough is ready for use, often requiring separate and expensive devices, and there is a need for chemical-free, recyclable, and compostable packaging for popcorn.
Innovation Solution
An expandable package with two portions and an integrated indicator that activates at a desired volume, providing visual, audio, or tactile feedback on dough readiness or popcorn expansion, made from virgin fiber paperboard.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If separate devices are used to indicate when dough is ready, then measurement precision is improved, but device complexity increases and cost increases
Solution Approach 1:
The patent combines the packaging container and the readiness indication system into a single integrated structure. The indicator is built into the package itself rather than being a separate device, merging multiple functions (containment and measurement) into one system. This reduces overall device complexity while maintaining measurement precision for dough readiness detection.
Solution Approach 2:
The package serves multiple functions simultaneously: it contains the dough, provides structural support during proofing, and indicates when the dough is ready through an integrated indicator system. This multi-functionality eliminates the need for separate indication devices, reducing complexity while maintaining precise readiness detection.
2Volume of moving object
If expandable packages are used for popcorn, then volume expansion is improved, but harmful factors increase due to chemical additives
Solution Approach 1:
The patent changes the material parameters of the packaging by using biodegradable and compostable materials instead of traditional plastics with chemical additives. This parameter change in material composition eliminates harmful chemicals while maintaining the expandable volume capability needed for popcorn preparation.
Solution Approach 2:
The package uses composite materials that are both functional (expandable to provide volume) and environmentally safe (biodegradable and compostable). The composite structure achieves the desired volume expansion for popcorn while avoiding harmful chemical additives through the selection of natural, degradable materials.
3Volume of moving object
If telescoping covers are used to provide space for risen dough, then volume expansion is improved, but manufacturing complexity increases
Solution Approach 1:
The patent divides the package into multiple expandable portions or sections that can independently accommodate dough expansion. This segmentation allows for simpler manufacturing of each individual section while achieving the overall volume expansion needed for risen dough, avoiding the complexity of a single complex telescoping mechanism.
Data Source
AI summary
A package for food products including a first portion, a second portion, and at least one indicator. The first portion has a first closed end, at least one first side wall surrounding the first closed end, and a first open end opposite the first closed end. The second portion has a second closed end, at least one second side wall surrounding said second closed end, and a second open end opposite the second closed end. The first portion and second portion are movably connected at their respective open ends. The at least one indicator is placed in communication with the package such that when the package is expanded to a desired inner volume the indicator is activated. The closed end of either portion may be opened when a desired inner volume of a food product is reached.