ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,814, issued on Dec. 23, was assigned to KNAUF INDUSTRIES GESTION (Wolfgantzen, France).
"Chamber for steam moulding of expanded or cellular materials or foams" was invented by Fabrice Grand (Wolfgantzen, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a chamber for steam moulding expanded or cellular materials or foams comprising an enclosure comprising at least two parts (3a, 3b), at least one part being movable to allow it to be opened and closed, and the surfaces of which are partially covered with an insulating coating, in particular the inner surface of the enclosure or the outer surface of the steam inlets."
The...