Double Pin Seaming Element for Adaptable Industrial Textile Joining
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Solution Overview
Problem
Existing seaming elements for industrial textiles lack a distinct and separate seaming element unit that can be effectively attached to various types of industrial textiles, both woven and non-woven, single-layered and multilayered, to provide efficient tensile load distribution and securement.
Innovation Solution
A double pin seaming element constructed from a single layer of polymeric film, folded to create a fold region and arms with aligned protrusions, divided into outer and inner securing regions by a rib member or constriction zone, allowing for interdigitatable channels to receive securing means like pintles, which can be bonded to the textile using methods like laser welding or adhesive bonding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a separate seaming element unit is provided for later attachment to various types of industrial textile, then adaptability to different textiles is improved, but device complexity increases due to the need for separate attachment mechanisms
Solution Approach 1:
The seaming element is designed with a universal structure that can be attached to various types of industrial textiles (woven, non-woven, single-layered, multilayered) through bonding methods. The element provides multiple functions: structural support, load distribution, and securement mechanism, eliminating the need for different seaming elements for different textile types.
Solution Approach 2:
The seaming element is divided into distinct functional regions: a body portion for bonding to the textile, and a looped region for receiving and securing the pintle. This segmentation allows each region to be optimized for its specific function while maintaining overall simplicity.
2Strength
If two or more looped regions are provided to create multiple channels, then tensile load distribution is improved, but manufacturing complexity increases
Solution Approach 1:
The seaming element combines multiple looped regions (first and second looped regions) into a single integrated structure formed from one continuous piece of material. This merging approach provides improved tensile load distribution through multiple channels while avoiding the complexity of assembling separate components.
Solution Approach 2:
The element utilizes dimensional parameters and geometric configuration (loop size, spacing, and arrangement) to optimize tensile load distribution. By carefully selecting these parameters, the element achieves superior strength characteristics without increasing structural complexity.
3Ease of manufacture
If the seaming element is constructed from folded layers of film, then manufacturing flexibility is improved, but manufacturing precision requirements increase to ensure proper bonding and alignment
Solution Approach 1:
The seaming element is constructed from thin polymeric film that is folded to create the body and looped regions. This flexible film construction allows for easy manufacturing through folding and forming operations, while the film's properties enable reliable bonding to both the textile and itself.
Solution Approach 2:
The element employs a nested construction where one layer of film is folded inside another layer, creating a compact yet structurally sound configuration. This nesting approach maintains manufacturing simplicity while ensuring proper alignment and bonding surfaces.
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 solution provides a secure and efficient seaming mechanism that minimizes discontinuity and unevenness, allowing for effective tensile load distribution and secure attachment to different types of industrial textiles, enhancing the durability and reliability of the seam.
Implementation Method 1
bonded to the textile using methods like laser welding or adhesive bonding
Implementation Method 2
bonded to the textile using methods like laser welding or adhesive bonding
Data Source
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AI summary
A seaming element for an industrial textile, and methods of manufacture. The seaming element body is constructed from a single layer of polymeric film that is folded to provide a fold region and arms that comprise a first region, and a further second region. The first region is bonded to surfaces of an edge region of the textile, while the second region comprises a plurality of spaced-apart aligned protrusions extending from the first region, each protrusion comprising an interior space defined by an upper layer; a lower layer; and a loop at the fold region that connects the upper and lower layers. The interior space is divided into an outer securing region and an inner securing region by either a rib member placed between and bonded to an inner surface of at least one of the upper and lower layer, or by bonding a portion of the upper layer with a portion of the lower layer at a constriction zone. The outer securing region is interdigitatable and alignable with the inner securing region of a corresponding second seaming element bonded to another region of the textile, to define a first channel; and the inner securing region is interdigitatable and alignable with the outer securing region of the corresponding second seaming element, to define a second channel. A securing element is placed in the two channels.