Pipe joints or couplings – Flange – Clamped
Patent
1998-02-23
2000-02-29
Browne, Lynne H.
Pipe joints or couplings
Flange
Clamped
285420, 24205, 24279, F16L 2300
Patent
active
06030006&
ABSTRACT:
A clamp device for joining a flanged connection. The clamp device has a plurality of arcuate segments, wherein each of the arcuate segments has two ends. A pivot couples at least one end of each arcuate segment to another of the arcuate segments to produce a chain of arcuate segments that extend from a first end to a second end. The chain of arcuate segments is configurable into an annular structure when the first end is brought into abutment with the second end. A torsion spring is disposed around each pivot. Each torsion spring acts to bias the arcuate segments into the configuration that produces the annular structure. A rocking bolt is coupled to the second end of the chain of arcuate segments. The rocking bolt is joined to the second end by a second pivot and is positionable throughout a predetermined range. A biasing element is provided for biasing the rocking bolt into one position within the predetermined range.
REFERENCES:
patent: 2967325 (1961-01-01), Herzfeld
patent: 4568115 (1986-02-01), Zimmerly
patent: 4657284 (1987-04-01), Fiori
patent: 5018768 (1991-05-01), Palatchy
patent: 5384936 (1995-01-01), Van Walraven
patent: 5893611 (1999-02-01), Munley et al.
Binda Greg
Browne Lynne H.
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