	US 12,128,801 B2
	Hot melt tape for velcro without sewing and method for manufacturing seat padding material for vehicles using the same
Hye Rin Choi, Hwaseong-si (KR); Jun Ho Song, Hwaseong-si (KR); Jae Hong Woo, Yangsan-si (KR); and Seung Keon Woo, Yangsan-si (KR)
Assigned to HYUNDAI TRANSYS INCORPORATED, Seosan-si (KR); and MUJIN CO., LTD., Yangsan-si (KR)
Filed by HYUNDAI TRANSYS INCORPORATED, Seosan-si (KR); and MUJIN CO., LTD., Yangsan-si (KR)
Filed on Mar. 20, 2023, as Appl. No. 18/186,770.
Application 18/186,770 is a division of application No. 16/951,284, filed on Nov. 18, 2020, abandoned.
Claims priority of application No. 10-2019-0150769 (KR), filed on Nov. 21, 2019.
Prior Publication US 2023/0220245 A1, Jul. 13, 2023
Int. Cl. B60N 2/58 (2006.01); A44B 18/00 (2006.01); B32B 5/02 (2006.01); B32B 5/18 (2006.01); B32B 5/24 (2006.01); B32B 5/26 (2006.01); B32B 37/06 (2006.01); B32B 37/08 (2006.01); B32B 37/10 (2006.01); B32B 37/12 (2006.01); B60N 2/70 (2006.01); B60N 2/72 (2006.01); C09J 5/06 (2006.01); C09J 7/10 (2018.01); C09J 7/30 (2018.01); C09J 7/35 (2018.01); C08K 3/34 (2006.01)

CPC B60N 2/5891 (2013.01) [A44B 18/0073 (2013.01); B32B 5/022 (2013.01); B32B 5/18 (2013.01); B32B 5/245 (2013.01); B32B 5/265 (2021.05); B32B 37/06 (2013.01); B32B 37/08 (2013.01); B32B 37/10 (2013.01); B32B 37/1207 (2013.01); B60N 2/5833 (2013.01); B60N 2/5875 (2013.01); B60N 2/7017 (2013.01); B60N 2/72 (2013.01); C09J 5/06 (2013.01); C09J 7/10 (2018.01); C09J 7/30 (2018.01); C09J 7/35 (2018.01); A44B 18/00 (2013.01); B32B 2037/1215 (2013.01); B32B 2250/02 (2013.01); B32B 2255/26 (2013.01); B32B 2262/0284 (2013.01); B32B 2305/18 (2013.01); B32B 2307/748 (2013.01); B32B 2309/02 (2013.01); B32B 2605/003 (2013.01); B32B 2605/08 (2013.01); C08K 3/346 (2013.01); C09J 2203/358 (2020.08); C09J 2301/408 (2020.08); C09J 2400/10 (2013.01); C09J 2467/00 (2013.01); C09J 2475/00 (2013.01)]

4 Claims

1. A method for manufacturing a seat padding material for vehicles, comprising:

preparing a padding material for a seat for the vehicles and a hook-and-loop fabric;

preparing a hot melt tape having a hot melt resin layer formed by coating a surface of a release paper with a reactive hot melt resin having a melting point of 40-80° C. before reacting;

adhering the hot melt tape to a surface of the prepared padding material by disposing the hot melt tape on the padding material and then applying heat of a temperature of 30-70° C. and pressure thereto;

removing the release paper from the hot melt tape adhered to the padding material;

adhering the hook-and-loop fabric to the hot melt resin layer exposed by removing the release paper; and

hardening the hot melt resin layer by cooling the padding material and the hook-and-loop fabric, adhered to each other by the hot melt resin layer, to a temperature of 0-20° C.