US 12,090,534 B2
Cell phone frame and method for manufacturing the same
Wei Zhu, Jiangyin (CN); and Dong Cui, Jiangyin (CN)
Assigned to Jiangsu Kangrui New Material Technology Co., Ltd., Jiangyin (CN)
Appl. No. 17/917,220
Filed by JIANGSU KANGRUI NEW MATERIAL TECHNOLOGY CO., LTD., Jiangyin (CN)
PCT Filed Oct. 12, 2021, PCT No. PCT/CN2021/123163
§ 371(c)(1), (2) Date Oct. 5, 2022,
PCT Pub. No. WO2022/183736, PCT Pub. Date Sep. 9, 2022.
Claims priority of application No. 202110246015.6 (CN), filed on Mar. 5, 2021; application No. 202110246026.4 (CN), filed on Mar. 5, 2021; application No. 202110247262.8 (CN), filed on Mar. 5, 2021; application No. 202110247263.2 (CN), filed on Mar. 5, 2021; application No. 202110247280.6 (CN), filed on Mar. 5, 2021; application No. 202110498802.X (CN), filed on May 8, 2021; application No. 202110498999.7 (CN), filed on May 8, 2021; application No. 202110499000.0 (CN), filed on May 8, 2021; application No. 202110499008.7 (CN), filed on May 8, 2021; application No. 202110499009.1 (CN), filed on May 8, 2021; application No. 202121222395.1 (CN), filed on Jun. 2, 2021; application No. 202110912766.7 (CN), filed on Aug. 10, 2021; and application No. 202121888058.6 (CN), filed on Aug. 10, 2021.
Prior Publication US 2023/0149993 A1, May 18, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. B21B 1/38 (2006.01); B21B 47/00 (2006.01); B23K 20/04 (2006.01); B24B 27/033 (2006.01); B32B 15/01 (2006.01); B32B 37/10 (2006.01); H04M 1/02 (2006.01)
CPC B21B 1/38 (2013.01) [B21B 47/00 (2013.01); B23K 20/04 (2013.01); B24B 27/033 (2013.01); B32B 15/01 (2013.01); B32B 37/10 (2013.01); H04M 1/02 (2013.01); B21B 2001/386 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A cell phone frame, characterized by comprising:
a composite plate (25), the composite plate (25) enclosing a receiving space, the composite plate (25) comprising a first plate (5) and a second plate (16), wherein a first side surface of the first plate (5) and a first side surface of the second plate (16) are provided with striations, the first side surface of the second plate (16) and the first side surface of the first plate (5) are rolled to connect, and adjacent striations (14) have a pitch of 0.005 mm to 0.03 mm account for more than 90% of all the striations (14).