Bfg Glassgroup

Commissariat a L'energie Atomique

Maurice Nicolas

Eugene Bacconnet

Jacques Duchateau

A method of manufacturing a mirror which comprises the steps of selecting a former of shape complementary to the shape of the desired mirror surface, applying to such former a plurality of mirror elements each constituted by a glass element having a reflective coating on one face thereof, and applying and adhesively bonding directly to such mirror elements a preformed, substantially rigid, unitary structural support.

Method of manufacturing mirrors and mirrors so obtained

A solar panel comprising at least one solar energy transducer laminated between a transparent vitreous sheet and a second sheet in which the transducer is imbedded in a layer of transparent polymeric material which bonds the sheets together. The polymeric material comprises an acrylic compound. A method of making the aforesaid solar panel in which the acrylic compound is allowed to set in situ is described.

Solar panel and method of manufacturing a solar panel

A process for producing a composite element comprising a plurality of sheet members 64 rigidly secured to a support 65 with their rear main faces in contact therewith, characterized in that the sheet members, which have a perceptible reflectance, are placed on a jig 61 in one or more predetermined orientations relatively to one another, and a fluid, settable substance is applied to the thus arranged sheet members 64 e.g. by pouring from a ladle 66 and is caused or allowed to set at least partially while the sheet members 64 remain on the jig 61 to form at least part of a substantially rigid support structure 65 for the sheet members 64. The invention includes a composite element which comprises a plurality of sheet members 64 having a perceptible reflectance, the sheet members 64 being rigidly secured with their rear main faces in contact with a surface of a substantially rigid support structure 65, the sheet members 64 also being arranged in one or more predetermined directions, the composite element comprising one or more members 69 secured to the rear main faces of the sheet members 64 and embedded as by casting in the support 65 to provide a key therefor.

Mirror composite elements

A method of producing a composite element by securing a plurality of sheet members to a support with their rear main faces in contact with the support. The method includes placing the sheets on a jig in a desired relationship and one or more fluid, settable substances are applied to the rear main faces thereof and allowed to set to form a support structure for the sheets.

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Maurepas, France

Maurice Nicolas