Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Plural pipe sections
Reexamination Certificate
2005-11-29
2005-11-29
Lee, Jong-Suk James (Department: 3673)
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Plural pipe sections
C405S154100, C405S184000, C414S745400, C414S746500
Reexamination Certificate
active
06969217
ABSTRACT:
An apparatus for pulling a first pipe into contact with a stationary second pipe includes a frame and a strut pivotally mounted to the frame about a first pivot axis, the strut having a first end and second end. A pivot assembly is pivotally mounted to the frame about the first pivot axis. A pair of wheels is rotatably mounted to the pivot assembly about a wheel axis. A force generating apparatus is also mounted to the frame, the force generating apparatus configured for pulling the first pipe relative to the second pipe.
REFERENCES:
patent: 1195147 (1916-08-01), Mitchell
patent: 3760595 (1973-09-01), Stewart et al.
patent: 3958704 (1976-05-01), Wire et al.
patent: 4209269 (1980-06-01), Martinez
patent: 4384636 (1983-05-01), Hillemacher
patent: 4594027 (1986-06-01), Becker
patent: 4969677 (1990-11-01), Melegari
patent: 5368413 (1994-11-01), Moore
patent: 5653293 (1997-08-01), Ellis
patent: 6227765 (2001-05-01), von Trepka
patent: 3404724 (1985-09-01), None
Lee Jong-Suk (James)
MacMillan Sobanski & Todd LLC
LandOfFree
Pipe puller does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Pipe puller, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pipe puller will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3517383