Angled Raised Knit Structures for Tubular Component Friction
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Solution Overview
Problem
Existing textile manufacturing methods struggle to incorporate angled raised structures effectively, particularly in tubular knit components, which are typically limited to extending along a course-wise direction, lacking desirable aesthetics and functional properties.
Innovation Solution
A knitting technique that forms tubular knit structures with angled raised structures by selectively releasing loops at different points during the knitting process, using high-tenacity yarns for loops and margins, and incorporating color variations to enhance strength and aesthetics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If tubular knit structures extend along the course-wise direction only, then the manufacturing process is simple, but the aesthetics and functional properties are limited
Solution Approach 1:
The patent introduces angled raised structures that extend at an angle (e.g., 45 degrees) relative to the course-wise direction, adding a dimensional element to the traditional linear tubular knit structures. This angular orientation creates visual interest and functional variation while remaining compatible with standard knitting machine operations.
Solution Approach 2:
The patent employs asymmetric loop release patterns where loops are released at different points along the knitting process, creating raised structures with varying heights and angles. This asymmetry produces aesthetically pleasing irregular patterns and enhanced functional properties such as varied surface friction and compression characteristics.
2Adaptability or versatility
If loops are released at different points to create angled structures, then aesthetics and functionality are improved, but the knitting process complexity increases
Solution Approach 1:
The patent implements preliminary loop selection and holding mechanisms that prepare specific loops for release at predetermined points before the actual knitting process begins. This preliminary organization of loops simplifies the control requirements during knitting, as the release pattern is pre-established through the knitting machine's needle selection and loop holding capabilities.
Solution Approach 2:
The knitting machine's inherent loop manipulation capabilities are utilized to automatically release loops at different points based on programmed needle selection patterns. The machine's own mechanisms (needles, cam systems, or electronic controls) perform the complex loop release sequence without requiring external intervention or additional complex apparatus.
3Reliability
If high-tenacity yarns are used for loops and margins, then durability is improved, but the cost and processing difficulty increase
Solution Approach 1:
The patent applies high-tenacity yarns specifically to critical areas such as the raised structure loops and marginal edges where strength and durability are most needed, rather than using high-tenacity yarn throughout the entire fabric. This localized application maintains durability where required while reducing overall material cost and processing complexity.
Solution Approach 2:
The patent combines different yarn types with varying tenacity levels within the same knitted structure, using high-tenacity yarns for load-bearing loops and margins while employing standard yarns for less critical areas. This composite approach optimizes the balance between durability and manufacturability.
Data Source
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AI summary
A knitted component may include a base portion (104) formed with a plurality of courses (112) extending generally in a course-wise direction of the knitted component. A tubular knit structure of the knitted component may form a raised structure (110) located on a first side of the base portion (104), where the raised structure (104) includes a plurality of uninterrupted consecutive loops of a first course (114). The first course (114) of the raised structure (110) may be angled at least 5 degrees relative to the course-wise direction of the knitted component.