Roofing Shingle Packaging with V-Shape Support Insert
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Solution Overview
Problem
Existing packaging methods for specialty roofing shingles do not efficiently accommodate shingles with varying thicknesses, leading to installation challenges and potential cracking during bending or folding on-site.
Innovation Solution
A packaging system that includes pre-folded shingles in a 'V' configuration with an insert structure providing support, allowing for alternating thicker and thinner edges in a stack, using materials like folded cardboard or cellular foam to maintain shape and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If shingles are pre-folded into V-shape for efficient installation, then installation efficiency is improved, but shingles with varying thicknesses cannot be properly supported and maintained in shape
Solution Approach 1:
An insert structure made of rigid material (cardboard, foam, or plastic) is introduced as an intermediary element between the shingles and the packaging environment. This insert provides the necessary support surface that maintains the V-shape configuration of pre-folded shingles, particularly accommodating those with varying thicknesses that cannot self-support their shape.
2Device complexity
If shingles are folded in situ on the roof, then packaging simplicity is improved, but cracking occurs due to bending at low temperatures
Solution Approach 1:
The shingles are pre-folded into their final V-shape configuration during manufacturing and packaged in this state. The insert structure maintains this pre-established shape, preventing any subsequent bending or folding that could cause cracking, especially in cold weather conditions.
3Adaptability or versatility
If shingles with alternating thicknesses are stacked, then installation adaptability is improved, but packaging stability deteriorates without proper support
Solution Approach 1:
The insert structure is designed with specific geometric features (triangular configuration with spaced-apart ends and supporting surface legs) that provide localized support adapted to the varying thickness profiles of shingles. The support legs engage against the panel portions at strategic locations to maintain stability despite alternating thickness patterns.
Data Source
AI summary
A package is provided, of specialty roofing materials, including a plurality of stacked shingles in the package, in nested relation, with the shingles being of variable thickness from one end to the other in one or more stacks, as packaged, to be of “V” configuration, and of various selected orientations, and forming a substantially hollow zone, with at least one insert structure to fill the hollow zone and provide support for the end shingle in the stack. The at least one insert structure may be constructed of various materials, such as folded cardboard, cellular foam or the like. Filler material may be provided in the package, for any voids between the stack of shingles and the upper end of the package.