Firewood Bag Structure for Breathable Stacking and Carrying
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Solution Overview
Problem
Existing firewood packaging solutions, such as mesh bags and plastic wraps, lack ergonomic handles, are non-standard in shape, making them difficult to carry and stack, and require excessive packaging materials, increasing costs and waste.
Innovation Solution
A reusable firewood storage and transport bag composed of solid and mesh panels, with a hook and loop closure, forming a rectangular shape that can be easily closed and opened, allowing for ergonomic handling and efficient stacking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If plastic mesh bags are used to package firewood, then the firewood can breathe and avoid moisture retention, but the bags lack ergonomic handles making them difficult to carry
Solution Approach 1:
The handle is separated from the bag body as an independent component. Instead of being integrated into the mesh bag structure, the handle is a separate element that attaches to the exterior of the bag, allowing the bag to maintain its breathable mesh construction while providing a dedicated carrying component.
Solution Approach 2:
A strap or tether acts as an intermediary element connecting the handle to the bag. This intermediary component transfers the lifting force from the user's hand through the handle and strap to the bag contents, enabling ergonomic carrying without compromising the mesh bag's breathability.
2Object-affected harmful factors
If mesh bags are used for firewood packaging, then breathability is maintained, but the bags lack defined form making stacking problematic
Solution Approach 1:
Different regions of the packaging system have different properties. The mesh bag portion maintains breathability and flexibility, while the rigid handle and strap components provide structural definition and shape. This local differentiation allows the flexible bag to conform to firewood while the rigid elements provide stacking stability.
Solution Approach 2:
The packaging system combines materials with different properties: the flexible, breathable mesh fabric of the bag is combined with rigid or semi-rigid handle and strap materials. This composite structure integrates the breathability of the mesh with the shape-defining characteristics of the stronger materials.
3Ease of operation
If handles are attached directly to the wood in plastic wrap packages, then carrying is enabled, but separation of wood from packaging becomes inconvenient
Solution Approach 1:
The handle system is segmented into separate components (handle, strap, bag) rather than being integrated with the wood or permanently attached to the packaging. This segmentation allows the handle to be easily detached from the bag and the bag to be easily opened, facilitating convenient separation of wood from packaging.
Solution Approach 2:
The connection between the handle and bag is dynamic rather than static. The strap or tether can be easily attached and detached, allowing the handle to be temporarily connected for carrying purposes and then easily separated when the wood needs to be accessed or repackaged.
Data Source
AI summary
A firewood storage and transport bag and method of use thereof, the bag comprised of a combination of solid panels and mesh panels wherein the solid panels and mesh panels are stitched together in order to form the storage and transport bag having a cubic shape in use. The bag comprises a front and rear panel that extend above the side panels to fold over to enclose the interior space of the bag and engage a closure mechanism to provide a rectangular bag for storage and transport of firewood therein. The bag has handles that allow for ease of carrying the bag and the bag is reusable.