ROBERT A MAFFEI
Engineering in Wheaton, IL
License number
Massachusetts 28618
Issued Date
Feb 25, 1977
Expiration Date
Jun 30, 2000
Type
Mechanical Engineer
Address
Address
Wheaton, IL 60187
Professional information
Pre-Insulated Piping System
US Patent:
2013018, Jul 25, 2013
Filed:
Jun 14, 2012
Appl. No.:
13/523440
Inventors:
Robert A. Maffei - Wheaton IL, US
International Classification:
F16L 59/07
US Classification:
138149
Abstract:
A pre-insulated pipe for carrying a fluid pressure has an elongated service pipe of a first length. A first insulation layer of an aerogel is wrapped about the service pipe. A metallic sleeve is wrapped about the first insulation layer such that a compressive force is exerted on the aerogel within the sleeve. The metallic sleeve has a second length less than the first length of the elongated service pipe.