Dual-Casing Food Stuffing Machine Air Removal
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Solution Overview
Problem
Existing stuffing machines for food products in casings often leave air inside the casings, leading to conservation issues and suboptimal product quality, despite the use of vacuum systems which are not effective in fully eliminating air.
Innovation Solution
A method and machine that utilize a permeable first casing and an impermeable second casing arranged coaxially, creating a partial vacuum between them to remove air, with air extraction means connected between the casings and the stuffing duct, ensuring almost complete air removal from the product.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a vacuum system is used in traditional stuffing machines, then air removal is improved, but air remains inside the casing leading to conservation issues and quality problems
Solution Approach 1:
The invention divides the casing system into two separate casings: a first permeable casing and a second impermeable casing. This segmentation allows the permeable first casing to facilitate air removal while the impermeable second casing provides the final sealed packaging, resolving the contradiction between air removal and sealing effectiveness.
Solution Approach 2:
The permeable first casing acts as an intermediary between the product and the impermeable second casing. It serves as a mediator that allows air to be extracted during the vacuum phase while still containing the product, and then serves as a removable layer that leaves the product sealed in the impermeable second casing.
2Reliability
If a single impermeable casing is used, then sealing is improved, but air cannot be effectively removed from the product
Solution Approach 1:
The packaging system is segmented into two functional layers: the first permeable casing that enables air removal and the second impermeable casing that provides sealing. This segmentation allows both air removal and effective sealing to be achieved in sequence.
Solution Approach 2:
The permeable first casing is used in advance during the vacuuming phase to remove air from the product. After air removal is complete, the first casing is removed and the product is sealed in the impermeable second casing, ensuring both effective air removal and sealing.
3Object-affected harmful factors
If complex multi-step vacuum systems are used, then air removal is improved, but device complexity and cost increase
Solution Approach 1:
The permeable first casing enables the system to perform air removal through a simple vacuum connection without requiring complex multi-chamber vacuum systems. The permeable casing itself facilitates the air removal process, reducing the need for complex machinery.
Solution Approach 2:
The permeable first casing is a simple, inexpensive, disposable component that enables effective air removal. After serving its purpose during the vacuum phase, it is removed and discarded, leaving the product in the reusable impermeable second casing. This approach avoids the need for expensive, complex vacuum systems.
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 solution effectively eliminates air from stuffed products, ensuring longer conservation and better quality, while being structurally simple, reliable, safe, and economically competitive.
Implementation Method 1
creating an at least partial vacuum at least between the first and the second casing
Data Source
AI summary
A method for stuffing food products in casings comprising the steps that consist in inserting the product to be stuffed in a first casing, which is permeable to air, and in a second casing, which is impermeable to air and is arranged outside the first casing, creating an at least partial vacuum at least between the first casing and the second casing.