Brassiere Shoulder Straps and Side Wings Using Flat-Knit Fabric
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Solution Overview
Problem
Conventional bras often fit differently on wearers of the same cup size due to varying body shapes and sizes, leading to discomfort from tight shoulder straps and side wings.
Innovation Solution
Incorporating flat-knit fabric layers made of elastic yarn materials, such as nylon or spandex covered polyester, into the shoulder straps and side wings, which are designed to provide adjustable elongation using adhesive attachments and varying yarn material distribution for enhanced flexibility and comfort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional shoulder straps and side wings are used, then the brassiere can be made with standard materials, but wearers of different body sizes feel tightness and discomfort
Solution Approach 1:
The patent applies parameter changes by incorporating flat-knit fabric layers with elastic properties into the shoulder straps and side wings. These elastic fabric layers can stretch and deform to accommodate different body sizes and shapes, allowing the same brassiere to adapt to various wearers without feeling tight or uncomfortable. The elastic material's ability to change its physical parameters (stretchability, flexibility) directly resolves the contradiction between standardization and adaptability.
2Ease of operation
If the side wings and shoulder straps are made with sufficient elongation for different body sizes, then comfort is improved, but the force required to elongate the materials increases
Solution Approach 1:
The patent utilizes flexible shells and thin films by incorporating flat-knit fabric layers into the shoulder straps and side wings. These flat-knit fabric layers are inherently flexible and can be easily elongated without requiring excessive force. The fabric's flexible nature allows it to stretch comfortably to accommodate different body sizes while maintaining ease of wear and adjustment.
3Adaptability or versatility
If flat-knit fabric layers are added to provide elasticity, then elongation and comfort are improved, but the manufacturing process becomes more complex
Solution Approach 1:
The patent applies composite materials by combining flat-knit fabric layers with conventional brassiere materials (such as elastic covered yarn materials). This composite structure integrates the elasticity and comfort benefits of flat-knit fabric with the structural integrity and support properties of traditional bra materials, achieving enhanced elongation capability while managing manufacturing complexity through material composition rather than complex structural design.
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 flat-knit fabric layers allow for increased elongation and comfort, accommodating different body sizes while maintaining support, thereby providing a more comfortable and flexible fit for wearers.
Implementation Method 1
each of the one or more flat-knit fabric layers is composed of an elastic covered yarn material
Implementation Method 2
the flat-knit fabric layer is attached to the fabric sheet at the folded region using an adhesive
Data Source
AI summary
A brassiere to be worn by a wearer is disclosed. The brassiere includes a pair of bra cups. The brassiere also includes at least one side wing attached to lateral peripheries of the pair of bra cups to support the brassiere around a torso of the wearer, when worn. The brassiere further includes a pair of straps attached to top peripheries of the pair of bra cups to support the brassiere on shoulders of the wearer, when worn. Herein, at least one of the at least one side wing and the pair of straps comprise one or more flat-knit fabric layers.