US 12,378,710 B2
Multi-layer interlining and the production process thereof
Ali Zafer Sisman, Istanbul (TR); Almila Cerci Izmit, Istanbul (TR); Zeynep Kaya, Istanbul (TR); and Tamer Safak, Istanbul (TR)
Appl. No. 18/001,886
Filed by TELASIS TEKSTIL URUNLERI SAN. VE TIC. A. S, Istanbul (TR)
PCT Filed Aug. 25, 2021, PCT No. PCT/TR2021/050856
§ 371(c)(1), (2) Date Dec. 15, 2022,
PCT Pub. No. WO2022/125022, PCT Pub. Date Jun. 16, 2022.
Claims priority of application No. TR2020/19976 (TR), filed on Dec. 8, 2020.
Prior Publication US 2023/0228016 A1, Jul. 20, 2023
Int. Cl. B32B 5/02 (2006.01); B32B 5/26 (2006.01); B32B 7/10 (2006.01); B32B 37/00 (2006.01); B32B 37/04 (2006.01); B32B 38/00 (2006.01); B32B 38/06 (2006.01); D04H 1/558 (2012.01); D04H 1/559 (2012.01)
CPC D04H 1/559 (2013.01) [B32B 5/022 (2013.01); B32B 5/266 (2021.05); B32B 7/10 (2013.01); B32B 37/0084 (2013.01); B32B 37/04 (2013.01); B32B 38/0004 (2013.01); B32B 38/0036 (2013.01); B32B 38/06 (2013.01); D04H 1/558 (2013.01); B32B 2250/02 (2013.01); B32B 2262/124 (2021.05); B32B 2305/20 (2013.01); B32B 2305/28 (2013.01); B32B 2309/02 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A production process for a multi-layer nonwoven interlining, the process comprising:
pre-opening fibers in a fiber opening chamber in a single or quadruple blend;
feeding the pre-opening fibers in a feeding unit so as to mix the fed fibers by aeration;
carding the fed fibers by laying the fed fibers randomly by opening the fed fibers at ±45° in parallel and diagonal directions so as to obtain a carded web;
leveling an additional layer by thermal treatment, the leveled additional layer being an opened web; and
point bonding the carded web and the opened web by calendaring with heat and pressure so as to be joined by thermal welding point so as to obtain the multi-layer non-woven interlining.