US 12,262,761 B2
Adaptive straps for brassiere products and the method of making the same
Kang Zhang, Hong Kong (HK); Shilong Zhang, Hong Kong (HK); Jifan Li, Hong Kong (HK); and Sui Lung Cheung, Hong Kong (HK)
Assigned to Four K Knitters Ltd, Hong Kong (HK)
Appl. No. 18/253,923
Filed by Four K Knitters Ltd, Hong Kong (HK)
PCT Filed Sep. 16, 2022, PCT No. PCT/CN2022/119189
§ 371(c)(1), (2) Date May 23, 2023,
PCT Pub. No. WO2023/041000, PCT Pub. Date Mar. 23, 2023.
Claims priority of provisional application 63/245,206, filed on Sep. 17, 2021.
Prior Publication US 2024/0000164 A1, Jan. 4, 2024
Int. Cl. A41C 3/12 (2006.01)
CPC A41C 3/12 (2013.01) 16 Claims
OG exemplary drawing
 
1. An adaptive strap for brassieres comprising:
at least one adaptive material layer having a first strength modulus x during static loading and a second strength modulus of at least 2× during dynamic loading of at least approximately 3 Hz oscillation, and
two or more elastic fabric layers,
wherein each of the adaptive material layers is sandwiched between two of the elastic fabric layers such that the adaptive strap is extendable up to 100% of its initial length when subjected to oscillations of less than 1 Hz and is extendable by no more than 50% of its initial length when subjected to oscillations of 3 Hz or greater.