Zhengzhou Huajing Diamond Co., Ltd. Announcement on Obtaining US Invention Patent
The company and all members of the board of directors guarantee that the contents of the announcement are true, accurate and complete, and there are no false records, misleading statements or major omissions.
Zhengzhou Huajing Diamond Co., Ltd. (hereinafter referred to as "the company")
Zhengzhou Synthetic Diamond and Products Engineering Technology Research Center Co., Ltd., a wholly-owned subsidiary of Yu Diamond, recently obtained the invention patent certificate issued by the US Patent and Trademark Office. Details are as follows:
Patent No.: US 7,819,648 B2 Patent Name: Six-sided top press outer frame and six-sided top press with the outer frame Patent Type: Invention
Application Date: April 13, 2007 Authorization Date: October 26, 2010 Validity: 20 years
The six-sided top press outer frame and the six-sided top press with the outer frame are referred to as a six-sided top press for the cylinder beam. The hinge 粱 and the piston cylinder are integrated into the press, that is, the inner wall of the hinge 直接 is directly processed into a piston cylinder, which can function as a high pressure cylinder and function as six hinge cymbals. This patent is beneficial to reduce the manufacturing cost of the press equipment and improve the centering accuracy and technical stability of the equipment. Increased output efficiency and product quality of synthetic diamond products. At present, the patent has been fully applied to the company's synthetic diamond main synthetic equipment - six-sided top press.
The acquisition of this patent is conducive to the company to give full play to the advantages of independent intellectual property rights and enhance the company's core competitiveness.
Special announcement
Zhengzhou Huajing Diamond Co., Ltd. Board of Directors
December 8, 2001
The company and all members of the board of directors guarantee that the contents of the announcement are true, accurate and complete, and there are no false records, misleading statements or major omissions.
Zhengzhou Huajing Diamond Co., Ltd. (hereinafter referred to as "the company")
Zhengzhou Synthetic Diamond and Products Engineering Technology Research Center Co., Ltd., a wholly-owned subsidiary of Yu Diamond, recently obtained the invention patent certificate issued by the US Patent and Trademark Office. Details are as follows:
Patent No.: US 7,819,648 B2 Patent Name: Six-sided top press outer frame and six-sided top press with the outer frame Patent Type: Invention
Application Date: April 13, 2007 Authorization Date: October 26, 2010 Validity: 20 years
The six-sided top press outer frame and the six-sided top press with the outer frame are referred to as a six-sided top press for the cylinder beam. The hinge 粱 and the piston cylinder are integrated into the press, that is, the inner wall of the hinge 直接 is directly processed into a piston cylinder, which can function as a high pressure cylinder and function as six hinge cymbals. This patent is beneficial to reduce the manufacturing cost of the press equipment and improve the centering accuracy and technical stability of the equipment. Increased output efficiency and product quality of synthetic diamond products. At present, the patent has been fully applied to the company's synthetic diamond main synthetic equipment - six-sided top press.
The acquisition of this patent is conducive to the company to give full play to the advantages of independent intellectual property rights and enhance the company's core competitiveness.
Special announcement
Zhengzhou Huajing Diamond Co., Ltd. Board of Directors
December 8, 2001
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