B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
154/90
B29D 27/00 (1980.01) B29D 3/00 (1980.01) B32B 31/06 (1980.01)
Patent
CA 1162468
ABSTRACT OF THE DISCLOSURE In a method for the production of thermally insulated composite sections a free space is formed between at least two metal sections, held spaced apart, and sealed at the bottom. The space is filled from its open side with an insulating material which at first is in liquid form and then hardens. In order to produce such sections, particularly also those of large size, with the least possible expense for labor and material, and at the same time to achieve the most favorable heat insulation values in the insulating region, solid insulating material layers positively and frictionally joining together the metal sections, and insulating layers hardening with a porous structure are introduced in succession into the free space. Each layer fills only partly the free space. The introduction of the solid insulating material layers and of the insulating layers is effected with the aid of a plurality of inlet nozzles whose actions are chrono- logically staggered and which are disposed one behind the other in the working direction of the filling operation. The same material is used for the porous insulating layers as for the solid insulating material layers. - 10 -
360081
Kirby Eades Gale Baker
Muhle Manfred
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