Bevelled Edge Container with Curved Junction
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Solution Overview
Problem
Existing containers for consumer goods, such as smoking articles, often suffer from structural damage and visual imperfections during assembly due to the folding of rounded or beveled edges, leading to holes or gaps at junctions, which affect both the appearance and strength of the container.
Innovation Solution
A laminar blank is used to form a container with modified edge portions, where beveled and curved edges are designed such that their free edges trace each other's profile when assembled, preventing visible holes or gaps, and utilizing creasing lines and ablated lines to enhance the folding process without requiring significant changes to existing machinery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If creasing lines or score lines are provided at the areas forming the edges of the container to round off or chamfer corners, then the container gains a distinctive appearance and progressive bending between adjacent walls, but holes or gaps can form at the junction between adjacent rounded or bevelled edges, impacting visual perception and structural strength
Solution Approach 1:
The patent applies preliminary action by pre-forming the blank with specific crease patterns and edge configurations before folding. The blank includes first and second modified edges with predetermined crease lines that guide the folding process, ensuring that adjacent rounded or bevelled edges meet precisely at their junctions without forming holes or gaps. This pre-planned configuration prevents structural defects before assembly occurs.
2Ease of manufacture
If conventional packing apparatus and techniques are used for assembly, then existing machinery can be utilized, but the container may be structurally damaged during folding of the blank to form the container
Solution Approach 1:
The patent applies parameter changes by modifying the physical parameters of the blank, specifically the configuration of crease lines and edge geometries. The blank includes specific crease patterns and modified edges with controlled dimensions and angles that allow conventional folding machinery to operate without causing structural damage. These parameter modifications enable standard equipment to achieve precise, damage-free assembly.
3Shape
If adjacent rounded or bevelled edges form an orthogonal angle, then the container has a distinctive appearance, but the strength and finish of the container may be impacted during folding
Solution Approach 1:
The patent maintains the orthogonal angle between adjacent rounded or bevelled edges while preventing strength loss through preliminary action. The blank is pre-configured with specific crease lines and edge modifications that ensure precise alignment and meeting of edges at 90-degree angles during folding. This pre-planned configuration allows the distinctive orthogonal appearance to be achieved without compromising structural strength at the junctions.
Data Source
Figure 1~2
Figure 3
Figure 4A
AI summary
A container for consumer goods and a laminar blank (300) for forming such a container. The laminar blank defines a portion of the container, which comprises: a first planar wall (322); a second planar wall (314) connected to the first planar wall (322) by a first modified edge portion (3140) forming a bevelled edge portion of the container; and a third planar wall (316) connected to the first planar wall (322) by a second modified edge portion (3130) forming a curved edge portion of the container. The longitudinal direction of the first modified edge portion (3140) being transverse to the longitudinal direction of the second modified edge portion (3130); the first modified edge portion (3140) and the second modified edge portion (3130) forming, when the container is assembled from the laminar blank, adjacent edge portions of the container meeting at a junction.