Patent ID: 11939255
Assignee: OWENS CORNING INTELLECTUAL CAPITAL, LLC
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC C  D  Y | IPC C  D

Claim 4:
5. A continuous method for forming a pack of glass fibers, the continuous method comprising:
melting glass into molten glass;
forming glass fibers from the molten glass;
cooling said glass fibers in an accumulator;
forming a binderless web of glass fibers from the glass fibers, the binderless web of glass fibers having a thickness of 0.1 to 0.5 inches; and
lapping the binderless web of glass fibers to form a layered pack of glass fibers, said layered pack of glass fibers comprising 99% to 100% of glass fibers, the layered pack of glass fibers is free of any material that may bind the glass fibers together, wherein the layered pack of glass fibers has thickness of 0.75 inches to less than 2 inches and an area weight within the range of 0.10 pounds per square foot to 0.38 pounds per square foot;
wherein the glass fibers have a diameter within the range of 15 to 19 hundred-thousandths of an inch;
wherein the glass fibers have a length within the range of about 0.25 to about 10.0 inches; and.