C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
117/43, 31/67
C04B 14/38 (2006.01) D04H 1/00 (2006.01) D04H 1/42 (2006.01) E04F 17/02 (2006.01)
Patent
CA 1207140
METHOD OF MAKING A FIBROS THERMALLY INSULATING LAYER OF COHERENT STRUCTURE, A LAYER MADE BY THIS METHOD, AND A THERMALLY INSULATING ELEMENT PROVIDED WITH SUCH A LAYER Abstract In a method of making a fibros thermally insulating layer of coherent structure, a quantity of fibers is treated with a binder, whereby prior to or during the treatment with the binder, fibers are formed into a quantity of particles each having a substantially rounded periphery and consisting of a number of short fibers and the particles treated with the binder are conveyed by means of a gas as conveying medium via an inlet piece 11, 13 to within a container 3, the parti- cles being blocked by an outlet piece 8 for the container, said outlet piece 8 being formed with gas outlet apertures 10. The particles are formed by vigorosly agitating a number of flakes in a vessel, each flake consisting of arbitrarily arranged short fibers, and simultaneously applying pulsating forces to at least part of the volume of flakes, so that the flakes are converted into particles having a substantially rounded periphery and having a higher density than that of the flakes.
437261
Isendam Jules N.
Van Hattem Hendricus W.m.
Amgas B.v.
Kirby Eades Gale Baker
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