Patent · US Active

Method for reshaping glass-ceramic articles, apparatus for performing the method and glass-ceramic articles made thereby

US7721572B2 · kind B2 · utility

3Cited by

7References

8Claims

0Family size

Assignee

Schott AG · DE

Inventors

Martin Taplan · Rheinböllen, DE
Herwig Scheidler · Mainz, DE
Ioannis Kosmas · Stadecken-Elsheim, DE
Friedrich Schroeder · Stuttgart, DE
Wolfgang Schmidbauer · Mainz, DE
Torsten Gabelmann · Wiesbaden, DE
Dieter Schoenig · Mainz, DE

Key dates

Filing date	Feb 22, 2005
Grant date	May 25, 2010
Priority date	—
Expiry date	Mar 25, 2028

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC03B29/08
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

The apparatus performs a forced reshaping of a flat green glass part during a ceramicizing process in which the viscosity of the glass is temporarily lowered due to crystallization heat. The apparatus includes a continuous furnace (3) for the ceramicizing process: a reshaping device (2′) provided with activating openings (6); and vertically movable pressure-operated reshaping tools (9) arranged in the reshaping device (2′). The furnace (3) is provided with lateral openings (4) for temporarily connecting activating lines (8) to the activating openings (6) of the reshaping device (2′) in a sealed manner in order to operate the reshaping tools (9) by supplying pressurized air to the reshaping device or by producing a low pressure in the reshaping device (2′).

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