Slanted Lid Packaging Container for Bulk Solids
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Solution Overview
Problem
Existing packaging containers for bulk solids face conflicting demands during manufacturing, transportation, storage, sales, and consumer use, requiring a design that balances space efficiency, stackability, display functionality, and ease of use while maintaining hygiene and consumer appeal.
Innovation Solution
A packaging container with a slanted lid surface that provides increased display area and tactile identification, combined with a cuboid shape for efficient stacking, and a closure system ensuring gas-tightness and easy opening/closing, made from materials like plastic, cardboard, or metal, with reinforcement grids and snap-lock features for secure sealing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the container is designed with a flat lid surface for stacking, then stackability is improved, but display area and consumer appeal are reduced
Solution Approach 1:
The lid surface is tilted at an angle of 15-45 degrees relative to the container base, transforming a flat two-dimensional surface into a sloped three-dimensional surface. This allows the lid to serve dual purposes: maintaining stacking stability through its angled profile while providing increased display area through the sloped surface that can be viewed from multiple angles.
Solution Approach 2:
The lid is designed with an asymmetric tilted surface rather than a symmetric flat surface. The tilt creates an uneven profile that distinguishes the container visually on shelves while still allowing stable stacking. The asymmetric design enables the lid to protrude slightly when tilted, creating visual appeal and brand visibility without compromising stackability.
2Area of stationary object
If the container walls are made taller to improve display visibility, then consumer appeal is improved, but space efficiency and stackability are reduced
Solution Approach 1:
Instead of increasing container height vertically, the invention utilizes the lid's tilted surface to create additional display area in a different dimensional orientation. The sloped lid surface extends the display area laterally and visually, allowing consumers to view product information from multiple angles without increasing the vertical footprint of the container.
Solution Approach 2:
The tilted lid surface serves multiple functions simultaneously: it acts as a display surface for product information and branding, provides structural support for stacking, and maintains the container's compact vertical profile. This multi-functional design allows the lid to contribute to both display visibility and space efficiency.
3Reliability
If a secure closure system is added to ensure gas-tightness, then hygiene is improved, but device complexity and ease of operation are reduced
Solution Approach 1:
The closure system integrates multiple functions into a single unified structure. The lid combines the closure function (sealing the container opening), the display function (tilted surface for branding), and the stacking function (angled profile for stable stacking) into one integrated component. This merging reduces overall device complexity while maintaining hygiene through secure sealing.
Solution Approach 2:
The lid is designed as a multi-functional element that simultaneously provides closure for hygiene protection, displays product information through its tilted surface, and enables stable stacking through its angled profile. By consolidating these functions into a single component rather than separate elements, the design maintains simplicity and ease of operation while ensuring reliable sealing.
Data Source
Figure 1
Figure 2a~2b
Figure 3a~3b
AI summary
The present invention provides a packaging container (1) for bulk solids, the container comprising a container body (2) formed by a container wall comprising a front wall portion (3), a rear wall portion (4), and two side wall portions (5,6). The container wall extends from a container bottom (7) to a container opening (8) in a height direction (H) of the container (1) and has a height (h) as measured from the container bottom (7) to the container opening (8). The container body (2) has an opening edge (11) at the container opening (8), wherein the opening (8) and the opening edge (11) extend in a plane which is perpendicular to the height direction (H) of the container (1). The container further comprises a lid (20) for closing the container opening (8), the lid (20) having a front lid edge (21) which is adapted to be positioned at a front edge portion (13) of the container opening (8), a rear lid edge (22) which is adapted to be positioned at a rear edge portion (14) of the container opening (8), two side lid edges (23,24) which are adapted to be positioned at corresponding side edge portions (15, 16) of the container opening (8) and an upper outer lid surface (25) being delimited by the lid edges (21,22,23,24). The upper outer lid surface (25) comprises a slanted lid surface (26), the upper outer lid surface (25) and the slanted lid surface (26) each having a projected surface (25p, 26p) in the plane of the opening (8). The projected surface (26p) of the slanted lid surface (26) constitutes from 40% to 100% of the projected surface (25p) of the upper outer lid surface (25), such as from 50% to 90% of the projected surface (25p) of the upper outer lid surface (25), or from 60%) to 80% of the projected surface (25p) of the upper outer lid surface (25). The slanted lid surface (26) is slanted such that when the lid (20) is in a closed position at the container opening (8), a front end edge (27) of the slanted lid surface (26) is located lower in the height direction (H) of the container than a rear end edge (28) of the slanted lid surface (26).