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US 4,394,337 AGranted
Thermal insulating body and a process for making the same
AssigneeGrunzweig & Hartmann und Glasfaser AG
InventorHans Kummermehr
Life of this patent
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Abstract
A thermal insulating body or shape is made up of highly dispersed insulating material together with mineral fiber wool and of opacifier together with a binder for curing. The binder, which is evenly distributed in a first-stage mix with a dispersant, is present in a finely dispersed condition in the insulating material, the corners and edges of the insulating material being able to undergo cross-linking with the binder by heat processing.
Claims13
A process for making a thermal insulating body, comprising,
- forming a first admixture of a binder and a dispersant, wherein the dispersant is present in an amount of 0.5 to 20% by weight of the binder and wherein the particle size of the binder is generally 1 micron or less;
- mixing the first admixture with a highly dispersed insulating material to form a second admixture;
- and
- then pressing and curing the second admixture, by application of heat, so that the edges and corners of the insulating material undergo cross-linking with the binder.
1 more element
Dependencies are inferred from the claim text.