LAWRENCE MICHAEL LENAHAN
Engineers in Cleveland, OH
License number
Pennsylvania PE071145
Category
Engineers
Type
Professional Engineer
Address
Address
2
Cleveland, OH 44145
Pennsylvania
Pennsylvania
Professional information
Vp At Mcnally Tunneling
Location:
Cleveland/Akron, Ohio Area
Industry:
Construction
Vp At Mcnally Tunneling
Location:
Cleveland/Akron, Ohio Area
Industry:
Construction
Pipe Pusher
US Patent:
6206345, Mar 27, 2001
Filed:
Feb 19, 1999
Appl. No.:
9/253340
Inventors:
Lawrence M. Lenahan - Westlake OH
Bernam G. Fraley - Clinton MI
Mark R. Kaletta - Shreve OH
David E. Koehmstedt - Hoover AL
Bernam G. Fraley - Clinton MI
Mark R. Kaletta - Shreve OH
David E. Koehmstedt - Hoover AL
Assignee:
McNally Tunneling Corporation - Westlake OH
International Classification:
E21B19/00
US Classification:
254 29R
Abstract:
An apparatus for pushing tubular members along a tunnel, the apparatus comprising a frame shaped to receive a tubular member therein and having an open end shaped to receive the tubular member therethrough, and a pushing element mounted on and displaceable along the frame for engaging a tubular member within the frame and pushing the tubular member along the frame and through the open end. The apparatus further includes a drive motor mounted on the pushing element and engaging the frame, the drive motor displacing the pushing element along the frame relative to the open end.