	US 12,220,079 B1
	Titanium non-stick pan
Xuelu Dong, Tibet (CN); and Xucai Tu, Tibet (CN)
Assigned to TIBET SUNTRUE HOUSEWARE TECH CO., LTD., Lhasa (CN)
Filed by TIBET SUNTRUE HOUSEWARE TECH CO., LTD., Tibet (CN)
Filed on Oct. 16, 2024, as Appl. No. 18/917,059.
Application 18/917,059 is a continuation of application No. PCT/CN2024/108776, filed on Jul. 31, 2024.
Claims priority of application No. 202310962570.8 (CN), filed on Jul. 31, 2023.
Int. Cl. A47J 36/02 (2006.01); B32B 1/00 (2024.01); B32B 3/12 (2006.01); B32B 15/04 (2006.01); B32B 15/20 (2006.01); C25D 11/02 (2006.01); C25D 11/26 (2006.01)

CPC A47J 36/025 (2013.01) [B32B 1/00 (2013.01); B32B 3/12 (2013.01); B32B 15/043 (2013.01); B32B 15/20 (2013.01); C25D 11/026 (2013.01); C25D 11/26 (2013.01); B32B 2255/06 (2013.01); B32B 2255/20 (2013.01); B32B 2307/7376 (2023.05)]

10 Claims

1. A titanium non-stick pan, comprising a pan body, a base material of the pan body is a metal composite plate with a multi-layer composite structure comprising a base metal layer and a titanium metal layer arranged in a stack, the base metal layer is bonded to the titanium metal layer by metallurgical bonding, the titanium metal layer has a thickness between 0.25 mm and 0.4 mm, and forms a concave-convex structure of a uniform thickness, the concave-convex structure comprises a plurality of interconnected concave-convex unit cells, each of which comprises first convex parts protruding from an inner surface of the pan body and a concave part enclosed by the first convex parts, the concave part comprises a second convex part disposed in the concave part, the second convex part has a top lower than each first convex part, and a surface of the titanium metal layer at the concave-convex structure forms an oxidation layer with a thickness between 8 μm and 40 μm.