Sag correction system

Details Sag correction system Sag correction system

2008-05-13

2008-05-13

Lagman, Frederick L. (Department: 3672)

Hydraulic and earth engineering

Subterranean or submarine pipe or cable laying, retrieving,...

Repair, replacement, or improvement

C405S184400, C138S097000

Reexamination Certificate

active

11405793

ABSTRACT:
A housing has a central recessed area with a first end and a second end. Each end has an inside rim with at least one aperture there through. The housing has an outside end with an outside end rim with at least one aperture there through. The housing has a central portion with a full circumference. At least one elastomeric pad has an upper face and a lower face. The upper face is coupled to the housing. A compound lifting assembly coupling the pad to the housing.

REFERENCES:
patent: 3718978 (1973-03-01), Van Koevering et al.
patent: 4309128 (1982-01-01), Williams
patent: 4457647 (1984-07-01), Dusette et al.
patent: 4657436 (1987-04-01), Yarnell
patent: 6588983 (2003-07-01), Tenbusch, II
patent: 6619886 (2003-09-01), Harrington
patent: 6755592 (2004-06-01), Janssen
patent: 7220080 (2007-05-01), Grimmett

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