Saint-Gobain Vitrage

Jacques Chaumette

Claude Aubry

Luc Vanaschen

Bernard Letemps

Jean-Marc Petitcollin

Jean-Claude Coulon

Werner Gatzweiler

Pierre Letourneur

Heinz-Bernd Rissmann

Pierre Touchon

Jurgen Zeitzen

Denis Poncelet

A glass sheet suitable for use as the panoramic roof of a motor vehicle is disclosed, the sheet being comprised of a tinted glass coated with a network of enamel patterns which reduce the light and energy transmission factor of the formed glass. The glass may optionally include a thin semireflective layer deposited on one side of the glass. Preferably, the light transmission factor and energy transmission factor of the coated glass sheet are approximately equal, and below 30%.

Glass for panoramic roof

A frame for holding a glass sheet in a substantially vertical position. The frame has two uprights joined by upper and lower crosspieces. A lower support means adapted to engage a bottom edge of a glass sheet is carried by the lower crosspiece. Upper support means freely movable in a vertical direction are adopted to engage the upper edge of the glass sheet and form part of the frame.

Apparatus for holding a glass sheet in a substantially vertical position

The invention relates to a method of differentiated rate of hardening of a glass sheet by blowing a cooling gas in the direction of this sheet having two zones from nozzles. According to the invention, a simultaneous solidification of the glass sheet is produced at both zones of the sheet in spite of the differentiated treatments applied to establish a difference of hardening between the different zones of the sheet. Application is to the production of flat glass sheets.

Method for the differentiated hardening of glass sheets, especially of

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Thourotte, France

Jacques Chaumette