Architectural products formed of glass or ceramic-to-metal composites

Claim 2

IN A BUILDING CURTAIN WALL COMPRISING A PLURALITY OF SUBSTANTIALLY VERTICALLY AND HORIZONTALLY DISPOSED STRUCTURAL MEMBERS AFFIXED TO THE OUTSIDE OF A BUILDING, A PLURALITY OF DECORATIVE PANELS AND WINDOWS SUPPORTED BY SAID STRUCTURAL MEMBERS, A PLURALITY OF RETAINING MEMBERS SECURED TO SAID STRUCTURAL MEMBERS FOR RETAINING SAID PANELS AND SAID WINDOWS IN PLACE AND A PLURALITY OF FACING MEMBERS COVERING SAID RETAINING MEMBERS AND BEING SUPPORTED BY SAID RETAINING MEMBERS, THE IMPROVEMENT WHEREIN SAID FACING MEMBERS ARE FORMED OF A GLASS OR CERAMIC-TO-METAL COMPOSITE COMPRISING A GLASS OF

Claim 3

In a building curtain wall as in claim 1, the further improvement wherein said copper base alloy component comprises from about 2 to 10% aluminum, 0.001 to 3% silicon, up to 35% zinc and a grain refining element selected from the group consisting of iron up to 4.5%, chromium up to 1%, zirconium up to 0.5%, cobalt up to 1% and mixtures thereof, the balance essentially copper.

Claim 4

In a building curtain wall as in claim 2, the further improvement wherein said copper base alloy component consists essentialy of 2.5 to 3.1% aluminum, 1.5 to 2.1% silicon, 0.25 to 0.55% cobalt, the balance essentially copper.

Claim 5

In a building curtain wall as in claim 3, the further improvement wherein said retaining members are of channel configuration having a web section and side walls extending outwardly in the same direction from longitudinal edges of said web section and a longitudinally extending outside groove in each of said side walls and wherein said facing member is of channel configuration having a web section and side walls extending outwardly in the same direction from longitudinal edges of said web section and a longitudinal groove formed in each of said side walls extending inwardly toward each other thereby forming ribs which are adapted to seat in said grooves in said side walls of said retaining member.

Claim 6

In a building curtain wall as in claim 3 the further improvement wherein said panels are formed of a glass or ceramic-to-metal composite sheet wherein said composite sheet comprises at least one glass or ceramic component bonded to a copper base alloy component, said copper base alloy component having a major face and an opposing major face, said copper base alloy component comprising from about 2 to about 12% aluminum and the balance essentially copper said glass or ceramic component being bonded to at least one of said major face and said opposing major face of said copper base alloy component.

Claim 7

In a building curtain wall as in claim 5, the further improvement wherein said copper base alloy component comprises from about 2 to 10% aluminum, 0.001 to 3% silicon, up to 35% zinc and a grain refining element selected from the group consisting of iron up to 4.5%, chromium up to 1%, zirconium up to 0.5%, cobalt up to 1% and mixtures thereof, the balance essentially copper.

Claim 8

In a building curtain wall as in claim 6, the further improvement wherein said copper base alloy component consists essentially of 2.5 to 3.1% aluminum, 1.5 to 2.1% silicon, 0.25 to 0.55% cobalt, the balance essentially copper.

Claim 9

In a building curtain wall as in claim 5, the further improvement wherein a backing member is affixed to the copper base alloy component of said composite sheet.

Claim 10

In a building curtain wall as in claim 6, the further improvement wherein a backing member is affixed to the copper base alloy component of said composite sheet.

Claim 11

In a building curtain wall as in claim 7, the further improvement wherein a backing member is affixed to the copper base alloy component of said composite sheet.

Claim 12

In a building curtain wall comprising a plurality of substantially vertically and horizontally disposed structural members, said structural members supporting a plurality of windows and panels, the improvement wherein said panels are formed of a glass or ceramic-to-metal composite sheet wherein said composite sheet comprises at least one glass or ceramic component bonded to a copper base alloy component, said copper base alloy component having a major face and an opposing major face, said copper base alloy component comprising from about 2 to about 12% aluminum and the balance essentially copper, said glass or ceramic component being bonded to at least one of said major face and said opposing major face of said copper base alloy component.

Claim 13

In a building curtain wall comprising a plurality of substantially vertically and horizontally disposed structural members, said structural members supporting a plurality of windows and panels, the improvement wherein said panels are formed of a glass or ceramic-to-metal composite sheet wherein said composite sheet comprises at least one glass or ceramic component bonded to a copper base alloy component, said copper base alloy component having a major face and an opposing major face, said copper base alloy component comprising from about 2 to about 12% aluminum and the balance essentially copper, said glass or ceramic component being bonded to at least one of said major face and said opposing major face of said copper base alloy component.

Claim 14

In a building curtain wall as in claim 11, the further improvement wherein said copper base alloy component comprises from about 2 to 10% aluminum, 0.001 to 3% silicon, up to 35% zinc and a grain refining element selected from the group consisting of iron up to 4.5%, chromium up to 1%, zirconium up to 0.5%, cobalt up to 1% and mixtures thereof, the balance essentially copper.

Claim 15

In a building curtain wall as in claim 12, the further improvement wherein said copper base alloy component consists essentially of 2.5 to 3.1% aluminum, 1.5 to 2.1% silicon, 0.25 to 0.55% cobalt, the balance essentially copper.

Claim 16

In a building curtain wall as in claim 11, the further improvement wherein a backing member is affixed to the copper base alloy component of said composite sheet.

Claim 17

In a building curtain wall as in claim 12, the further improvement wherein a backing member is affixed to the copper base alloy component of said composite sheet.

Claim 18

In a building curtain wall as in claim 13, the further improvement wherein a backing member is affixed to the copper base alloy component of said composite sheet.