E - Fixed Constructions – 04 – D
Patent
E - Fixed Constructions
04
D
20/21, 108/32
E04D 13/03 (2006.01) F21V 3/00 (2006.01) F21V 29/00 (2006.01)
Patent
CA 1092770
ABSTRACT OF THE DISCLOSURE Mult?-shell domes having a coefficient of heat transmission of K - < 2.0 kcal/m2.h.°C (according to DIN 4701) and comprising an outer element formed from a sheet of light-transmitting plastic and having a dome-shaped portion and an edge portion; and an inner element of integral construction formed from at least two substantially parallel inter-connected sheets of light-transmitting plastic and having a dome-shaped portion and an edge portion; the inner and outer elements being connected at the edge portions thereof whereby the dome-shaped portions of the inner and outer elements are maintained in a spaced relation- ship, the convex surface of the dome-shaped portion of the inner element being located adjacent to the concave surface of the dome-shaped portion of the outer element.
313055
Hanstein Friedrich
Monch Theodor
Fetherstonhaugh & Co.
Rohm G.m.b.h.
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