Pre-formed Loop Knitting Yarn for Tool-free Hand Assembly
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Solution Overview
Problem
Conventional knitting methods require tools like crochet hooks or knitting needles, making it difficult for inexperienced individuals to knit and limiting the speed of producing large items.
Innovation Solution
A knitting yarn with pre-formed loops that can be knitted without any tools, formed by combining two threads with different structural and physical properties, allowing loops to be threaded through each other to create a knitted product with distinct surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional knitting yarn without pre-formed loops is used, then traditional knitting methods can be employed, but knitting tools such as crochet hooks or knitting needles are required and the process becomes complicated
Solution Approach 1:
The patent applies preliminary action by pre-forming loops along the yarn before the knitting process. These pre-formed loops are created at specific intervals during yarn manufacturing, eliminating the need for users to manually create loops during knitting. This preliminary preparation simplifies the knitting operation to merely threading and pulling actions, resolving the contradiction between ease of operation and device complexity.
2Productivity
If conventional knitting methods with tools are used, then knitting can be performed, but it is difficult for inexperienced individuals and time-consuming for large items
Solution Approach 1:
The patent applies segmentation by dividing the yarn into discrete pre-formed loop segments at regular intervals. Each loop acts as an independent unit that can be easily manipulated and threaded. This segmentation transforms the continuous knitting process into a series of simple, repetitive actions, significantly increasing productivity and making the process accessible to inexperienced individuals without requiring complex tool manipulation skills.
3Adaptability or versatility
If single-thread yarn is used, then the structure is simple, but the knitted product lacks distinct surfaces with different properties
Solution Approach 1:
The patent applies composite materials by combining two different threads (first thread and second thread) into a single yarn structure. The pre-formed loops are created from the first thread while the core consists of the second thread. This composite construction allows the knitted product to exhibit two distinct surfaces with different material properties, enabling versatility in application while maintaining a relatively simple integrated yarn structure that does not require complex assembly during knitting.
Data Source
AI summary
A knitting yarn used for forming a knitted product without using any knitting tools, such as crochet hooks or knitting needles. The knitting yarn includes a core thread having a length dimension and a plurality of loops affixed to the core thread, at least a first thread and at least a second thread having different structural and/or physical properties than each other; and the loops of the knitting yarn are made of the first thread, and the core thread is made of the second thread.