Aggregate Packaging With a Short Front-Surface Opening Slit
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Solution Overview
Problem
Conventional aggregate packaging bodies face issues with easy breakage before opening, difficulty in opening due to strong force requirements, and post-opening handling challenges such as incomplete storage and carrying of individual packaging bodies.
Innovation Solution
The design includes a gusseted packaging bag with a notch part constituted by a slit on the front surface extending in the left-right direction, positioned between the center and top surface, with a length shorter than the front surface width, facilitating easy opening and preventing breakage before use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the perforation is formed in a small size on the top surface, then the perforation is easily visible, but the perforation breaks before opening
Solution Approach 1:
The invention extracts the opening function from the top surface perforation and relocates it to the side surface. The notch part is formed on the side surface of the gusseted packaging bag, separating the opening function from the top surface structure, thereby preventing breakage while maintaining visibility through the gusset transparency.
Solution Approach 2:
The invention moves the opening feature from the top surface (horizontal plane) to the side surface (vertical plane). This dimensional relocation allows the notch to be positioned where it provides structural stability while remaining visible through the transparent gusset portion.
2Ease of operation
If the perforation is formed in a large size on the side surface close to the top surface, then the opening is easier, but the perforation breaks before opening
Solution Approach 1:
The invention performs preliminary positioning of the notch part on the side surface at a specific distance from the top surface. This preliminary placement ensures that the notch is positioned optimally before opening, providing both ease of opening and structural integrity by avoiding stress concentration at critical locations.
3Reliability
If the notch part is formed on the front surface extending in the left-right direction between the center and top surface with length shorter than front surface width, then the aggregate packaging body is not easily broken before opening and has excellent openability, but additional design complexity is introduced
Solution Approach 1:
The invention applies local quality by making the gusset portion transparent while the rest of the packaging bag can be opaque. This localized transparency allows the notch to be visible through the gusset without requiring complex markings or indicators elsewhere on the packaging, thus maintaining simplicity while achieving the desired effects.
Data Source
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AI summary
An aggregate packaging body that includes: a plurality of individual packaging bodies that house packaged bodies; a gusseted packaging bag that is formed from a tubular film and comprises a gusset part at which a portion of the tubular film has been folded into a gusset and seal parts at which either end part of the tubular film has been sealed; and a notch part that is formed in the gusseted packaging bag and is for opening the gusseted packaging bag. The plurality of individual packaging bodies are vertically stacked inside the gusseted packaging bag. The gusseted packaging bag has: a top surface that is provided on the top in the vertical direction; a front surface that is provided at the front in the front-rear direction, is continuous with the top surface, and constitutes the gusset part; and a pair of side surfaces that face in the left-right direction, are continuous with the top surface, and constitute the seal parts. The notch part is a slit that is formed in the front surface and extends in the left-right direction. The slit is arranged between the top surface and a vertical-direction center part of the front surface and is shorter than the left-right-direction width of the front surface.