US Patent Issued on Oct. 28 for "System and method for sealing and pressurizing enclosed facilities via prefabricated modules, plugs, doors, and inserts" (Japanese Inventor)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,455,092, issued on Oct. 28.

"System and method for sealing and pressurizing enclosed facilities via prefabricated modules, plugs, doors, and inserts" was invented by Peter Ness (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of sealing and pressurizing underground facilities in planetary bodies with atmospheric pressures or temperatures differing from that of earth may include disposing at least one prefabricated, airtight plug within the tunnel system prior to forming additional tunnels or shafts within the tunnel system. Multiple plugs may be additionally disposed within the tunnel system to create various encapsulated tunnel portions o...