Frank J Poskocil from 2400 S Finley Rd, Flowerfield, IL 60148, age 92, Phone: 6306272666

Live Service Pipe Insertion Apparatus And Method
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US Patent:

60245158, Feb 15, 2000
Filed:

Mar 4, 1997
Appl. No.:

8/811521
Inventors:

Greg Konwinski - Naperville IL
Robert Barrett - Naperville IL
Charles Re - Naperville IL
Randall Doctor - Naperville IL
Frank Poskocil - Naperville IL
John Fred - Naperville IL
Anthony Pietramale - Naperville IL
Assignee:

Nicor Technologies Inc. - Naperville IL
International Classification:

E02F 510
F16L 5516
US Classification:

405184
Abstract:

An apparatus and method for inserting a new service pipe into an existing service pipe without the necessity of excavation or separately shutting off the supply of gas upstream of the effected pipe section comprises of a nosecone allowing a flow of sealer to travel back through an annular space between the new pipe and the old pipe, providing a gas tight permanent seal.