Stock material or miscellaneous articles – Surface property or characteristic of web – sheet or block – Surface modified glass
Reexamination Certificate
2005-04-19
2005-04-19
McNeil, Jennifer (Department: 1775)
Stock material or miscellaneous articles
Surface property or characteristic of web, sheet or block
Surface modified glass
C428S409000, C428S426000, C065S114000, C065S348000
Reexamination Certificate
active
06881485
ABSTRACT:
There is provided a tempered glass sheet, which is air-cooled and tempered by a cooling medium blown from a plurality of nozzles provided in rows so as to have a stress pattern formed therein, comprising a stress pattern formed in the glass sheet such that a plurality of cells range to form the stress pattern, the respective cells have centers just under the respective nozzles; each of the cells having a central region with a membrane stress in a compression state; each of the cells having a peripheral region with a membrane stress in a compression state; and each of the cells having a region between the central region and the peripheral region with a membrane stress in a tension state. There is also provided a method for producing the tempered glass sheet.
REFERENCES:
patent: 3125430 (1964-03-01), Richardson
patent: 6180237 (2001-01-01), Kato et al.
patent: 886871 (1962-01-01), None
patent: 52-121620 (1977-10-01), None
patent: 58-091042 (1983-05-01), None
patent: 59-019050 (1984-05-01), None
patent: 2000-103632 (2000-04-01), None
Patent Abstracts of Japan, JP 55-104935, Aug. 11, 1980.
Patent Abstracts of Japan, JP 11-199257, Jul. 27, 1999.
Patent Abstracts of Japan, JP 58-091042, May 30, 1983.
Kato Yasumasa
Yoda Kazushige
Asahi Glass Company Limited
Blackwell-Rudasill G.
McNeil Jennifer
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
LandOfFree
Tempered glass sheet and method therefor does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Tempered glass sheet and method therefor, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tempered glass sheet and method therefor will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3442072