Patent · US Active

Bend-forming device for glass plate

US11919796B2 · kind B2 · utility

0Cited by
2References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 14, 2021
Grant dateMar 5, 2024
Priority date
Expiry dateJan 11, 2042

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC03B2215/50
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

An apparatus for bending a glass plate includes a lower ring mold to be disposed under a glass plate and configured to support an edge portion of the glass plate; a plurality of supporting members configured to support the lower ring mold; an upper mold to be disposed above the glass plate and having a downwardly convex forming surface configured to be pressed against the glass plate supported by the lower ring mold; a lower heater configured to heat the lower ring mold; and a spacer attached to the lower ring mold, the spacer configured to control a gap between the upper mold and the lower ring mold.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.