| (19) |
 |
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(11) |
EP 4 382 649 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
02.10.2024 Bulletin 2024/40 |
| (43) |
Date of publication A2: |
|
12.06.2024 Bulletin 2024/24 |
| (22) |
Date of filing: 30.12.2013 |
|
| (51) |
International Patent Classification (IPC):
|
|
| (84) |
Designated Contracting States: |
|
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL
NO PL PT RO RS SE SI SK SM TR |
| (30) |
Priority: |
16.01.2013 US 201361753183 P
|
| (62) |
Application number of the earlier application in accordance with Art. 76 EPC: |
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21191383.5 / 3943650 |
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13871847.3 / 2946032 |
| (71) |
Applicant: The LYCRA Company UK Limited |
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Manchester M2 3DE (GB) |
|
| (72) |
Inventors: |
|
- LIAO, Tianyi
Chadds Ford (US)
- LEUNG, Raymond, S. P.
Hong Kong (CN)
|
| (74) |
Representative: Carpmaels & Ransford LLP |
|
One Southampton Row
London WC1B 5HA
London WC1B 5HA (GB) |
|
| |
|
| (54) |
STRETCH YARNS AND FABRICS WITH MULTIPLE ELASTIC YARNS |
(57) Included herein is an articles and methods including a core spun yarn. The core spun
yarn includes a sheath of hard fibers and two sets of elastic fibers wherein the sets
of elastic fibers have different properties. The properties may differ in one or more
ways such as having a different denier, composition or draft. One or both of the sets
of elastic fibers can be pre-covered.