US 12,330,112 B2
Filtering byproducts of CIPP installation
Dennis Pivin, St. Louis, MO (US); Kurt Schlake, St. Louis, MO (US); and Michael Shrum, St. Louis, MO (US)
Assigned to INA Acquisition Corp., Wilmington, DE (US)
Filed by INA Acquisition Corp., Wilmington, DE (US)
Filed on Jul. 1, 2022, as Appl. No. 17/856,738.
Claims priority of provisional application 63/217,821, filed on Jul. 2, 2021.
Prior Publication US 2023/0001344 A1, Jan. 5, 2023
Int. Cl. B01D 53/04 (2006.01); B01D 53/26 (2006.01); B29C 63/00 (2006.01); B29C 63/34 (2006.01); F16L 55/165 (2006.01); B29L 23/00 (2006.01)
CPC B01D 53/0415 (2013.01) [B01D 53/0446 (2013.01); B01D 53/0454 (2013.01); B01D 53/265 (2013.01); B29C 63/0004 (2013.01); B29C 63/0069 (2013.01); B29C 63/34 (2013.01); F16L 55/1654 (2013.01); B01D 2257/708 (2013.01); B29L 2023/22 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A method of lining a pipe comprising:
providing a liner of an absorbent material that is ladened with a curable material;
installing the liner into the pipe;
inflating the liner within the pipe so that the liner assumes a generally tubular shape inside the pipe;
injecting steam into the liner at a temperature which will promote curing of the curable material carried in the liner;
exhausting steam from the liner;
passing the exhaust steam from the liner through a filter system including at least one filter selected to capture a volatile organic component in the exhaust steam;
wherein, prior to passing the exhaust steam from the liner through the filtering system, measuring the concentration of the volatile organic component in the exhaust stream.