	US 12,006,629 B2
	Paper forming mold, mold manufacturing method, and paper manufactured by forming mold
Guangquan Gu, Sichuan (CN); Zheng Li, Sichuan (CN); Yawei Zhang, Sichuan (CN); Xu Deng, Sichuan (CN); Xiaojun Jiang, Sichuan (CN); Le Zhang, Sichuan (CN); Anyun Wang, Sichuan (CN); Jige Zhou, Sichuan (CN); Yu Guo, Sichuan (CN); Sijun Liu, Sichuan (CN); and Jian Gao, Sichuan (CN)
Assigned to CHENGDU BANKNOTE PRINTING CO., LTD, Sichuan (CN); and CHINESE SEAL BANKNOTEMAKING CORPORATION, Beijing (CN)
Appl. No. 17/783,304
Filed by CHENGDU BANKNOTE PRINTING CO., LTD, Sichuan (CN); and CHINESE SEAL BANKNOTE MAKING CORPORATION, Beijing (CN)
PCT Filed Nov. 20, 2020, PCT No. PCT/CN2020/130480 § 371(c)(1), (2) Date Oct. 20, 2022, PCT Pub. No. WO2021/115102, PCT Pub. Date Jun. 17, 2021.
Claims priority of application No. 201911285850.X (CN), filed on Dec. 13, 2019.
Prior Publication US 2023/0037506 A1, Feb. 9, 2023
Int. Cl. D21F 1/44 (2006.01); B41F 11/02 (2006.01); D21F 11/00 (2006.01); D21H 27/02 (2006.01)

CPC D21F 1/44 (2013.01) [B41F 11/02 (2013.01); D21F 11/006 (2013.01); D21H 27/02 (2013.01)]

14 Claims

1. A paper forming mold, wherein the paper forming mold comprises a roller and a pattern and character block, wherein a number of through micropores and a hollowed-out part of the roller being integrally formed on a wall of the roller, the hallowed-out part of the roller penetrates halfway through the wall of the roller, and the pattern and character block being defined by an element is detachably mounted to the hollowed-out part of the roller, and a reinforcing rib and a spring being provided, the pattern and character block is pressed into the hollowed-out part of the roller by means of the spring mounted on the reinforcing rib; and one or more patterns and characters of a normal watermark, a white watermark, a windowed security thread, and a paper marker are carved on the pattern and character block.