Touch-and-Close Fastener Shaping Sections for Adhesion
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Solution Overview
Problem
Existing touch-and-close fastener parts are limited by rigid arrangements between head and support parts, which restrict flexibility and adhesion capabilities, particularly in handling different adhesion requirements and maintaining contact under relative movement.
Innovation Solution
The touch-and-close fastener part incorporates shaping sections along the handle part that allow for elastic deformability and mobility, creating a larger active contact surface and decoupling the head part from handle movement, enabling improved adhesion and durability through uniform deformation properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a rigid arrangement between head part and support part is used, then manufacturing precision and structural stability are improved, but flexibility and adaptability to different adhesion requirements deteriorate
Solution Approach 1:
The handle part is designed with shaping sections that enable it to change its shape dynamically during use. The stem part can deform elastically and move in rotational and linear directions, transforming the rigid structure into a dynamic one that adapts to different adhesion requirements while maintaining manufacturing precision.
Solution Approach 2:
The patent introduces shaping sections with specific geometric parameters (constrictions, setbacks from the outer shape) that allow the handle part to change its physical state between rigid and flexible. This parameter change enables the stem to exhibit elastic deformability and mobility while maintaining structural integrity.
2Adaptability or versatility
If the contact surface area is increased, then adhesion capability is improved, but the complexity of the handle structure increases
Solution Approach 1:
The handle part is segmented into different functional zones: the head part with contact surface, the shaping sections with constrictions, and the foot part. This segmentation allows the contact surface to be enlarged while the complexity is localized to specific shaping sections rather than the entire handle structure.
Solution Approach 2:
The shaping sections are localized to specific regions of the handle part (stem region) rather than the entire structure. This local quality approach increases adhesion capability through enlarged contact surface while keeping the overall handle structure relatively simple and manufacturable.
3Adaptability or versatility
If the handle part is made more flexible, then adaptability to relative movement is improved, but structural strength deteriorates
Solution Approach 1:
The handle part incorporates shaping sections that create a flexible yet strong structure. The constrictions and setbacks in the shaping sections allow the stem to deform elastically under load, providing flexibility to adapt to relative movement while maintaining sufficient structural strength through the overall handle geometry and material properties.
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
This design enhances the fastener's ability to adapt and adhere to components with improved flexibility and resistance to relative movement, ensuring consistent contact and reduced risk of damage during deformation or peeling.
Implementation Method 1
elastic deformability and/or mobility along and/or transverse to the longitudinal extent of the respective handle part
Implementation Method 2
a contact surface for detachable attachment to a second component by means of adhesive force
Data Source
Figure 1~2
Figure 3~4
AI summary
The invention relates to a contact closure component (10), comprising a carrier part (12) and closure parts (14a - 14b) arranged upright on the said carrier part, each closure part (14a - 14b) having at least one stem part (10a - 20b) having a predefinable longitudinal extent (Hs), wherein said component is characterized in that at least one shaping section (26a - 26b) is formed on at least one stem part (20a - 20b), in at least one length section (24a - 24b), , wherein said shaping section is set back at least partially with respect to an imaginary stem outer shape, in the direction of the interior of the stem, and in that the at least one shaping section (26a - 26b) permits elastic deformation and/or movement longitudinally and/or transversely with respect to the longitudinal extent (Hs) of the respective stem part (20a - 20b), at least for this stem part.