Stock material or miscellaneous articles – Composite – Of metal
Patent
1985-02-27
1986-07-22
Kittle, John E.
Stock material or miscellaneous articles
Composite
Of metal
160232, 160236, 160133, E06B 910
Patent
active
046019537
ABSTRACT:
In a hollow plastic rolling shutter slat coated on the weather side with a metal layer for reducing the heat transfer while retaining the resistance to bending the inner side of the building-side profile wall is also coated with a metal layer, a minimum spacing always being provided between the two metal layers to insure the thermal insulation. The metal layers have at least one surface reflecting thermal radiation or reducing thermal irradiation. For obtaining the necessary resistance to bending the inner transverse webs of the hollow plastic rolling shutter bar are formed in such a manner that they transmit the shear stresses occurring on bending.
Gebruder Kommerling Kunststoffwerke GmbH
Kittle John E.
Saitta Thomas C.
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