US 12,442,481 B2
Multi-layer exhaust insulation systems and methods
John Michael Jarecki, Lincoln, NE (US); and Adam James Matzner, Lincoln, NE (US)
Assigned to Lincoln Industries, Inc., Lincoln, NE (US)
Filed by Lincoln Industries, Inc., Lincoln, NE (US)
Filed on Jun. 30, 2022, as Appl. No. 17/854,973.
Claims priority of provisional application 63/217,360, filed on Jul. 1, 2021.
Prior Publication US 2023/0003334 A1, Jan. 5, 2023
Int. Cl. F16L 59/02 (2006.01); F16L 59/10 (2006.01)
CPC F16L 59/029 (2013.01) [F16L 59/027 (2013.01); F16L 59/028 (2013.01); F16L 59/10 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An exhaust insulation system for an exhaust pipe, comprising:
a base insulation layer of an insulation disposed about a section of the exhaust pipe;
an outer cover of knit tape spirally wrapped about the base insulation layer and the section of the exhaust pipe, wherein the knit tape outer cover is impregnated with a resin and wherein the knit tape outer cover has opposing ends longitudinally along a length of the section of exhaust pipe and the base insulation layer extends between the ends of the knit tape outer cover;
wherein the knit tape outer cover is disposed directly adjacent the base insulation layer without an intervening layer of material.