US 12,342,427 B2
Sheet-like heater
Maika Yamaji, Shizuoka (JP); Yosuke Sugawara, Shizuoka (JP); and Taku Kurahara, Shizuoka (JP)
Assigned to TOMOEGAWA CORPORATION, (JP)
Appl. No. 17/428,682
Filed by TOMOEGAWA CO., LTD., Tokyo (JP)
PCT Filed Feb. 10, 2020, PCT No. PCT/JP2020/005188
§ 371(c)(1), (2) Date Aug. 5, 2021,
PCT Pub. No. WO2020/170888, PCT Pub. Date Aug. 27, 2020.
Claims priority of application No. 2019-028075 (JP), filed on Feb. 20, 2019.
Prior Publication US 2022/0124877 A1, Apr. 21, 2022
Int. Cl. H05B 3/36 (2006.01); B32B 7/027 (2019.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/20 (2006.01)
CPC H05B 3/36 (2013.01) [B32B 7/027 (2019.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/20 (2013.01); B32B 2262/103 (2013.01); B32B 2307/302 (2013.01); B32B 2307/304 (2013.01); B32B 2457/00 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A sheet-like heater having a layered structure, the sheet-like heater comprising:
a first resin layer, the first resin layer including a first resin agent;
a mixed layer A connected to the first resin layer, the mixed layer A including a mixture of the first resin agent and metallic fibers;
a metallic fiber layer connected to the mixed layer A, the metallic fiber layer including the metallic fibers and air between the metallic fibers;
a mixed layer B connected to the metallic fiber layer, the mixed layer B including a mixture of the metallic fibers and a second resin agent; and
a second resin layer connected to the mixed layer B, the second resin layer including the second resin agent,
wherein the mixed layer A and the mixed layer B are overlapped with each other and spaced apart from each other to form an interior space,
the interior space corresponds to the metallic fiber layer and is filled with only the metallic fibers and the air, and
the metallic fibers are fusion bonded to each other.