Clip Bulge Design Resolves Bending in Cementitious Board Mounting
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing clips for mounting cementitious boards, such as fiber cement sidings, are prone to bending and lifting, leading to improper alignment and increased installation time due to their design, which is not suitable for the heavier weight of these boards compared to wooden alternatives.
Innovation Solution
A clip with a metal or polymer sheet featuring bulges on the front surface and a flat back surface, designed to reduce bending by increasing momentum inertia, and equipped with hook-shaped carrying means that can be bent to fit securely around the board, along with additional bulges to accommodate fasteners, ensuring stable mounting without lifting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a clip is designed with a simple flat structure for easy manufacturing, then manufacturing cost and complexity are reduced, but the clip bends and lifts when mounting heavy cementitious boards
Solution Approach 1:
The clip is segmented into distinct functional zones: a flat back surface for stable mounting to the frame, and bulges on the front surface for dimensional stability. This segmentation allows each zone to perform its specific function optimally without compromising the other.
Solution Approach 2:
The invention transitions from a purely two-dimensional flat clip structure to a three-dimensional structure with bulges protruding from the front surface. This dimensional change adds volume and momentum inertia without significantly increasing manufacturing complexity, thereby preventing bending and lifting while maintaining ease of manufacture.
2Reliability
If a clip uses multiple screws for secure fastening of heavy boards, then mounting reliability improves, but installation time and labor increase
Solution Approach 1:
The bulges are pre-formed on the clip during manufacturing, creating built-in reinforcement structures that provide dimensional stability without requiring additional fastening elements. This preliminary action eliminates the need for multiple screws while maintaining mounting reliability.
Solution Approach 2:
The clip's own structure (the bulges) provides the reinforcement needed for secure mounting of heavy boards. The clip serves itself by incorporating momentum-increasing features directly into its design, eliminating the need for external reinforcement or multiple fasteners.
3Adaptability or versatility
If a clip has hooks that can bend to fit around boards, then adaptability improves, but the hooks may lift and misalign over time
Solution Approach 1:
The bulges act as counterweights that balance the momentum forces acting on the hooks during mounting and service. This counterbalancing effect prevents the hooks from lifting or misaligning, maintaining stable alignment while preserving the flexibility needed for adaptability.
Solution Approach 2:
The bulges introduce curved, three-dimensional features to the otherwise flat clip structure. This curvature adds volume and momentum inertia, creating a more stable mass distribution that prevents hook lifting while allowing the hooks to maintain their flexible, adaptive positioning.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The clip provides higher dimensional stability during mounting, reduces the tendency for hooks to lift, and facilitates quicker and more efficient installation of cementitious boards by preventing misalignment and ensuring secure fastening with fewer screws.
Implementation Method 1
The bulges are provided in a direction parallel to the mounting direction of the board in the clip and substantially parallel to an axis coinciding with the aperture and a point on the front surface being at minimum but equidistant to the hook-shaped carrying means. The sheet being uninterrupted along the bulge. The clip provides higher dimensional stability during mounting, reduces the tendency for bending and lifting of its hook-shaped carrying means upwards from the frame surface.
Data Source
Figure 1
Figure 2~3
Figure 4
AI summary
A clip suitable for mounting cementitious boards to a frame is provided, which clip comprising, • A sheet having a front surface and a substantially flat back surface, said sheet comprising at least one aperture for receiving a fastener; • At least two hook-shaped carrying means, contacting said front surface of said sheet and standing in front of said front surface; • Said aperture and said two hook-shaped carrying means defining an axis being parallel to said back surface, said axis coinciding with said aperture and the point on said front surface being at minimum but equidistant to said hook-shaped carrying means; wherein said sheet comprises at least one bulge at said front surface, said bulge extending from a first point of the front surface at one side of the axis to a second point of the front surface at the other side of the axis, the sheet being uninterrupted along the bulge.