Food Sachet Protruding Grip Zone Design
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Solution Overview
Problem
Existing food sachets for cooking are difficult to identify and handle due to unclear gripping zones, leading to risks of burns and potential bag rupture when extracting them from hot liquids, and they lack robustness and efficient manufacturing processes.
Innovation Solution
The design features a sachet with a protruding outer border having a surface protrusion zone for easy visual identification and gripping, manufactured using a process where at least one welding line is non-rectilinear to create a flag-like protrusion, and an installation with a cutting blade for producing such profiles, ensuring the sachet is robust and easy to handle without risk of rupture.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a protruding outer border is added to the sachet for gripping, then the ease of operation is improved, but the device complexity increases
Solution Approach 1:
The protruding outer border is segmented into a privileged gripping zone with surface protrusions and other zones with different profiles. This segmentation allows the sachet to have enhanced gripping characteristics in specific areas while maintaining simplicity in other areas, thus improving ease of operation without excessive complexity.
Solution Approach 2:
Different zones of the protruding outer border are given different local qualities: the privileged gripping zone has surface protrusions for enhanced grip, while other zones have smoother or different profiles. This local differentiation improves gripping ease where needed without adding complexity throughout the entire structure.
2Ease of operation
If the protruding outer border has a complex profile for better gripping, then the ease of operation is improved, but the manufacturing precision requirements increase
Solution Approach 1:
The complex profile is segmented into distinct zones (privileged gripping zone with surface protrusions, other zones with different profiles). Each zone can be manufactured with appropriate precision levels, and the segmentation allows for modular manufacturing processes that reduce overall precision requirements compared to a single complex profile.
Solution Approach 2:
High precision is applied only where necessary (surface protrusions in the privileged gripping zone), while other zones have simpler profiles with lower precision requirements. This local application of quality standards reduces overall manufacturing precision requirements while maintaining gripping comfort.
3Ease of operation
If a non-rectilinear welding line is used to create the protrusion zone, then the ease of operation is improved, but the manufacturing complexity increases
Solution Approach 1:
The welding line that creates the protruding outer border is merged with the cutting lines that define the privileged gripping zone. This integration means that a single manufacturing operation (welding followed by cutting along the same non-rectilinear path) accomplishes both the structural formation and the gripping zone definition, reducing overall manufacturing process complexity.
Solution Approach 2:
The non-rectilinear welding line serves multiple functions: it creates the protruding outer border structure, defines the shape of the privileged gripping zone, and provides visual identification. This multi-functionality reduces the need for separate manufacturing operations, thereby reducing manufacturing complexity despite the improved ease of operation.
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 provides a sachet that is easily identifiable and handleable, resistant to extraction from hot fluids, and cost-effective to manufacture, minimizing material waste while ensuring the sachet's integrity and ease of use.
Implementation Method 1
welding means to close the bags
Data Source
Figure 1~2
Figure 3~7
Figure 4
AI summary
The invention relates to a food sachet (1) for containing a dose of food and for placing in a heating fluid in order to cook or heat said dose of food, said sachet (1) being provided with a protruding outer rim (2) that is integral with the sachet (1) and extends longitudinally along the surface (3) of said sachet (1) in order to provide a grip therefor, said sachet (1) being characterised in that the protruding outer rim (2) has a surface (3) projection (4) facing the rest of the rim in such a way as to form the favoured grip area of the sachet (1). The sachet is used to cook or to heat a dose of food.