US 12,221,372 B2
Mold for molding glass product
Linzhi Zhao, Shenzhen (CN); and Jian Wang, Shenzhen (CN)
Assigned to AAC Optics (Chongqing) Co., Ltd., Chongqing (CN)
Filed by AAC Optics (Chongqing) Co., Ltd., Chongqing (CN)
Filed on Dec. 26, 2022, as Appl. No. 18/088,638.
Application 18/088,638 is a continuation of application No. PCT/CN2022/119108, filed on Sep. 15, 2022.
Claims priority of application No. 202222174273.0 (CN), filed on Aug. 18, 2022.
Prior Publication US 2024/0059598 A1, Feb. 22, 2024
Int. Cl. C03B 11/08 (2006.01); C03B 23/03 (2006.01)
CPC C03B 11/08 (2013.01) [C03B 23/0302 (2013.01); C03B 2215/03 (2013.01); C03B 2215/46 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A mold for molding a glass product, comprising a lower mold and an upper mold cooperated with the lower mold, wherein the lower mold comprises a lower pressing surface provided close to the upper mold, and the upper mold comprises an upper pressing surface provided close to the lower pressing surface, wherein
the upper pressing surface comprises a plurality of upper molding surfaces for molding the glass product and an upper mold closing surface connecting the plurality of upper molding surfaces; and
the lower pressing surface comprises a plurality of lower molding surfaces for molding the glass product and a lower mold closing surface connecting the plurality of lower molding surfaces, wherein
at least one of the upper mold closing surface or the lower mold closing surface comprises at least two mold closing regions sequentially arranged from center to outside, wherein the at least two mold closing regions comprise a central mold closing region at the center and at least one extending mold closing region extending outward from the central mold closing region, and the at least two mold closing regions have surface roughnesses increasing from the center to the outside.