Patent ID: 11867345
Assignee: PITTSBURGH CORNING EUROPE NV
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F  B | IPC B  F

Claim 24:
25. A method for producing an insulation material, wherein the method comprises the following steps:
a. providing an insulation material substrate with a substrate surface; and
b. affixing a plurality of protrusions to the substrate surface, each protrusion having an abutting surface distal to a protrusion base and a protrusion body connecting the abutting surface and the protrusion base, the protrusion base of each protrusion being affixed to the substrate surface, and each protrusion having an abutting surface height of at least 2 mm, wherein the abutting surface height is the shortest distance between the plane of the abutting surface and the plane of the protrusion base, and wherein the protrusion body is comprised of silicone rubber.