US 12,209,354 C1 (13,211th)
Continuous polyester fiber textile cloth, processing equipment and method
Buyi Cen, Ningbo (CN); Jieyuan Cen, Ningbo (CN); Lijun Lin, Ningbo (CN); Chenxin Fei, Ningbo (CN); and Robert Poirier, Southborough, MA (US)
Filed by Ningbo Xinrun Textile Co., Ltd., Ningbo (CN)
Assigned to NINGBO XINRUN TEXTILE CO., LTD., Ningbo (CN)
Reexamination Request No. 90/015,347, Jun. 27, 2025.
Reexamination Certificate for Patent 12,209,354, issued Jan. 28, 2025, Appl. No. 17/857,452, Jul. 5, 2022.
Ex Parte Reexamination Certificate issued on Mar. 23, 2026.
Int. Cl. D06H 7/22 (2006.01); A47K 10/16 (2006.01); B32B 3/30 (2006.01); B32B 5/02 (2006.01); B32B 5/26 (2006.01); B32B 38/00 (2006.01); D03D 27/08 (2006.01); D04B 1/16 (2006.01); D04B 21/00 (2006.01); D06H 7/00 (2006.01); D06H 7/02 (2006.01)
CPC D06H 7/223 (2013.01) [A47K 10/16 (2013.01); B32B 3/30 (2013.01); B32B 5/024 (2013.01); B32B 5/026 (2013.01); B32B 5/26 (2013.01); B32B 5/263 (2021.05); B32B 5/2795 (2021.05); B32B 38/0008 (2013.01); B32B 38/0012 (2013.01); D03D 27/08 (2013.01); D04B 1/16 (2013.01); D04B 21/00 (2013.01); D06H 7/005 (2013.01); D06H 7/02 (2013.01); B32B 2250/20 (2013.01); B32B 2262/0276 (2013.01); B32B 2305/186 (2013.01); B32B 2305/188 (2013.01); B32B 2307/582 (2013.01); B32B 2307/732 (2013.01); B32B 2310/028 (2013.01); B32B 2367/00 (2013.01); B32B 2432/00 (2013.01); D10B 2331/04 (2013.01); D10B 2503/00 (2013.01)]
AS A RESULT OF REEXAMINATION, IT HAS BEEN DETERMINED THAT:
The patentability of claims 1-10 is confirmed.
1. A continuous polyester fiber textile cloth that can be torn into pieces, comprising a continuously extending polyester fiber textile cloth, wherein
the polyester fiber textile cloth is provided with a plurality of thin line melting bodies at certain intervals along a length direction, and the thin line melting body is configured to span a width of the polyester fiber textile cloth;
the polyester fiber textile cloth comprises a base layer woven from yarn and a loop layer arranged on at least one side of the base layer, and the thin line melting bodies are formed by heating, melting and pressing the base layer and the loop layer, a thickness of the thin line melting bodies is less than or equal to a thickness of the base layer;
wherein by tearing along the thin line melting body, a single piece of textile cloth can be separated from the continuous polyester fiber textile cloth;
wherein the base layer and the loop layer(s) are heated and melted by high-frequency ultrasonic waves;
wherein being heated and melted by high-frequency ultrasonic waves comprises a heating temperature of an ultrasonic welding head being 150-400° C. and a duration for a knife edge to press down and contact the polyester fiber textile cloth being 0.02-1 second.