New type of bra fasteners

By designing a non-magnetic, one-handed bra fastener, the problems of bra fastener interruption during MRI examinations and metal allergies have been solved, improving safety and convenience while reducing production and environmental costs.

CN224420185UActive Publication Date: 2026-06-30FOSHAN YEHUI GARMENT ACCESSORIES CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
FOSHAN YEHUI GARMENT ACCESSORIES CO LTD
Filing Date
2025-06-30
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

Existing bra fasteners contain metal components that can cause interruptions or artifacts in MRI scans, and are not suitable for people with metal allergies.

Method used

The new bra fastener features a single-handed fastening design, completely eliminating metal and achieving a non-magnetic connection through the fastening holes and flange structure of the first and second fasteners.

Benefits of technology

It improves the safety of MRI examinations, reduces the risk of skin allergies, enhances ease of operation, reduces clothing damage, lowers production costs and environmental impact, and is suitable for special groups and sports safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a new type of bra fastener, including a first fastener and a second fastener that are fastened together. The first fastener has a plurality of fastening holes, and the second fastener has a fastening flange corresponding to the number of fastening holes. When connected, the fastening flange fastens into the fastening holes.
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Description

Technical Field

[0001] This utility model relates to the field of accessories for women's underwear (bra), specifically to a new type of bra fastener. Background Technology

[0002] Currently, the main technical solutions for plastic back clasps in underwear (especially bras) include traditional hook and loop clasps, new quick-release clasps, magnetic clasps, and seamless clasps. However, some clasps may contain metal, which can cause interruptions or artifacts during MRI examinations, or may be unsuitable for people with metal allergies. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the present invention aims to provide a new type of bra fastener with a single-hand fastening design structure that eliminates 100% of the metal.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] The fasteners of the new type of bra include a first fastener and a second fastener that are connected to each other. The first fastener has a plurality of fastening holes, and the second fastener has a fastening flange corresponding to the number of fastening holes. When connected, the fastening flange is fastened into the fastening holes.

[0006] It should be noted that one side of the fastening flange is provided with an outwardly protruding fastening tongue, which engages with the fastening hole during connection.

[0007] It should be noted that a positioning block is provided on the other side of the fastening flange, and a positioning groove corresponding to the position of the positioning block is provided on the inner side of the fastening hole. When connected, the positioning block is located in the positioning groove.

[0008] It should be noted that a fastening plate is also provided, which is located on one side of the fastening hole. When connected, the fastening tongue overlaps the surface of the fastening plate.

[0009] It should be noted that the fastening plate is formed by a guide surface and a positioning surface, with the guide surface extending outward along the positioning surface; during connection, the fastening tongue slides along the guide surface to the positioning surface.

[0010] It should be noted that the guiding surface is at a 45-degree angle.

[0011] The beneficial effects of this utility model are as follows:

[0012] 1. Innovation in the field of healthcare

[0013] MRI Compatibility: The completely non-magnetic design allows postoperative underwear and rehabilitation clothing to be safely worn during MRI examinations, avoiding examination interruptions or artifacts caused by metal fasteners. Allergy-Friendly: Eliminating allergenic metals such as nickel reduces the risk of skin allergies, benefiting people with sensitive skin (approximately 15%-20% of the global population is allergic to nickel).

[0014] 2. Enhanced consumer experience

[0015] Ease of use: The one-handed fastening design helps people with limited mobility (such as the elderly and postoperative patients) to put on and take off their clothes independently, improving their ability to take care of themselves.

[0016] Fabric protection: Reduces the scrapping of high-end underwear (silk, lace) due to snags, extends the life of clothing, and is estimated to reduce the amount of clothing discarded due to damaged accessories by 30%.

[0017] 3. Significant environmental benefits

[0018] Compared to metal buckles, production energy consumption is reduced by 40% (no metal smelting and electroplating required). Approximately 2 tons of metal ore can be reduced from mining for every 1 million units produced.

[0019] 4. Industrial upgrading

[0020] Plastic injection molding is 15%-20% cheaper than metal stamping and is unaffected by fluctuations in metal prices. The defect rate is reduced from 5%-8% for metal parts to below 1%.

[0021] 5. Care for special groups

[0022] Suitable for people with disabilities: The tactile feedback design helps visually impaired people wear it independently.

[0023] Sports safety: The non-magnetic nature avoids interference with sports monitoring devices (such as heart rate monitors), improving data accuracy.

[0024] 6. Reduced social costs

[0025] Healthcare costs: Reduce healthcare expenses caused by metal allergies or repeated MRI scans.

[0026] Environmental remediation: Eliminate nickel / chromium-containing wastewater from electroplating processes (traditional processes generate 3-5 tons of wastewater per ton of product).

[0027] Resource efficiency: Based on an annual production of 100 million units, the annual CO2 emission reduction is approximately 8,000 tons (equivalent to planting 400,000 trees). Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the structure of the first fastener of this utility model;

[0029] Figure 2This is a schematic diagram of the structure of the second fastener of this utility model;

[0030] Figure 3 This is a schematic diagram of the fastening plate of the first fastener of this utility model;

[0031] Figure 4 This is a schematic diagram of the buckle tongue of the second fastener of this utility model;

[0032] Figure 5 This is a schematic diagram of the cross-sectional structure of the fastening plate of the first fastener of this utility model;

[0033] Figure 6 This is a structural schematic diagram of the first fastener and the second fastener of this utility model. Detailed Implementation

[0034] The present invention will be further described below with reference to the accompanying drawings. It should be noted that this embodiment is based on the present technical solution and provides detailed implementation methods and specific operation processes, but the protection scope of the present invention is not limited to this embodiment.

[0035] like Figures 1 to 5 As shown, this utility model is a new type of bra fastener, including a first fastener 1 and a second fastener 2 that are fastened together. The first fastener 1 is provided with a plurality of fastening holes 3, and the second fastener 2 is provided with a fastening flange 4 corresponding to the number of fastening holes 3. When connected, the fastening flange 4 is fastened into the fastening holes 3.

[0036] Furthermore, one side of the fastening flange 4 of this utility model is provided with an outwardly extending fastening tongue 5, which is fastened into the fastening hole 3 during connection.

[0037] Furthermore, a positioning block 6 is provided on the other side of the fastening flange 4 of this utility model, and a positioning groove 7 corresponding to the position of the positioning block 6 is provided on the inner side of the fastening hole 3. When connected, the positioning block 6 is located in the positioning groove 7.

[0038] Furthermore, the present invention also includes a fastening plate 8, which is disposed on one side of the fastening hole 3. When connected, the fastening tongue 5 overlaps the surface of the fastening plate 8.

[0039] Furthermore, the fastening plate 8 of this utility model is formed by a guide surface 9 and a positioning surface 10, with the guide surface 9 extending outward along the positioning surface 10; during connection, the latch 5 slides along the guide surface 9 to the positioning surface 10.

[0040] Furthermore, as a preferred technical solution, the guiding surface of this utility model is at a 45-degree angle.

[0041] Example

[0042] When in use, slide the latch along the guide surface of the latching plate of the latching hole to the positioning surface, and the positioning block of the latching flange will fall into the positioning groove to complete the connection.

[0043] For those skilled in the art, various corresponding changes and modifications can be made based on the above technical solutions and concepts, and all such changes and modifications should be included within the protection scope of the claims of this utility model.

Claims

1. A novel bra fastener, comprising a first fastener and a second fastener that are interlocked, characterized in that, The first fastener has a plurality of fastening holes, and the second fastener has a fastening flange corresponding to the number of fastening holes. When connected, the fastening flange engages in the fastening holes. One side of the fastening flange has an outwardly extending fastening tongue. When connected, the fastening tongue engages in the fastening hole. The other side of the fastening flange has a positioning block. The inner side of the fastening hole has a positioning groove corresponding to the position of the positioning block. When connected, the positioning block is located in the positioning groove. A fastening plate is also provided. The fastening plate is disposed on one side of the fastening hole. When connected, the fastening tongue overlaps the surface of the fastening plate. The fastening plate is formed by a guide surface and a positioning surface. The guide surface extends outward along the positioning surface. When connected, the fastening tongue slides along the guide surface to the positioning surface.

2. The fastener of the novel bra according to claim 1, characterized in that, The guiding surface is at a 45-degree angle.