Unidirectional Degassing Valve for Aroma Sampling
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Solution Overview
Problem
Existing packaging methods for consumer goods with appealing aromas, such as dry foodstuffs, face challenges in long-term storage due to microorganism growth, flavor loss, and oxidation, often requiring chemical preservatives that compromise product quality. Additionally, consumers cannot sample the aroma before purchase, limiting marketing opportunities.
Innovation Solution
Packaging containers with a unidirectional degassing valve that preferentially retains aromatic gases but allows their release upon physical stimulation, such as squeezing, enabling consumers to sample the aroma without compromising the container's integrity or using chemical preservatives.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of stationary object
If a unidirectional degassing valve is used to prevent microorganism growth and oxidation, then product shelf life is extended, but aromatic gases cannot be released for consumer sampling
Solution Approach 1:
The degassing valve is designed to transition from a static closed state during storage to a dynamic open state upon application of external pressure. The valve member can deflect inward when sufficient pressure is applied to the packaging, allowing aromatic gases to escape while maintaining protection during normal storage conditions.
Solution Approach 2:
The valve operates by changing its opening state based on pressure parameters. During storage, the valve remains closed at normal internal pressure. When a consumer applies external pressure (e.g., squeezing the package), the pressure differential changes, causing the valve member to deflect and open, enabling aroma release without compromising storage integrity.
2Duration of action of stationary object
If chemical preservatives are added to extend shelf life, then product quality is maintained, but product integrity and taste are compromised
Solution Approach 1:
The invention extracts and removes the need for chemical preservatives by using a physical barrier (the sealed packaging with degassing valve) to prevent microorganism growth and oxidation. The valve allows controlled gas exchange to maintain product quality without requiring chemical additives, thus preserving product integrity and taste.
Solution Approach 2:
The packaging creates a protected environment that excludes harmful gases and microorganisms through its sealed structure. The degassing valve allows beneficial gas exchange while maintaining an inert-like protective atmosphere around the product, extending shelf life without chemical preservatives.
3Ease of operation
If aromatic gases are allowed to escape freely, then consumer sampling is enabled, but product quality deteriorates due to loss of aroma
Solution Approach 1:
The packaging is designed in advance with a degassing valve that remains closed during storage to preserve aroma. The valve is pre-configured to open only when specific external pressure is applied, allowing consumers to sample aroma on demand without continuous loss of aromatic compounds during storage and transport.
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
This solution allows for the sampling of aromatic compounds, enhancing marketing and preserving product quality by maintaining the integrity of the packaging while allowing consumers to experience the aroma, thus extending the product's shelf life without chemical preservatives.
Implementation Method 1
be induced to exhale, exhaust, or otherwise release gas or vapor containing such compounds through a one-way degassing valve outlet upon physical stimulation or the application of pressure
Data Source
AI summary
Provided herein is a degassing valve for a dry consumer product (e.g., a dry foodstuff, a cannabis-containing medicinal or recreational product, etc.) that has an enticing or pleasant aroma. Such a valve includes a valve body, a one-way valve element positioned on the valve body, and, preferably, a filter associated with said valve body wherein the filter is configured to facilitate the passage of a gas. The gas may be selected from the group consisting of air, carbon dioxide, oxygen, nitrogen, and methane, or mixtures thereof. Additionally, the gas contains one or more aroma-conferring volatile molecule species responsible for the aroma characteristic of the product. The filter of the valve body may include activated charcoal, an activated charcoal mixture or a combination thereof. In some embodiments, the dry consumer product is a dry foodstuff such as flavored or seasoned breadcrumbs, spices, marijuana-containing products, or other flavorful dry consumer product, the aroma(s) of which can provide an important marketing benefit.