IP Library › Granted Patent US 11,598,456
Granted Patent B1
US 11,598,456 · App. 17/401,212 · Granted Mar 7, 2023

Pipe connection with split swivel ring

Inventors: Hanif Nazari (Krokstadelva, NO); Finn Fredriksen (Drammen, NO)
Assignee: Freudenberg Oil & Gas, LLC
F16L23/032F16L23/024
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Quick Facts
Patent No.
US 11,598,456
App. No.
17/401,212
Granted
Mar 7, 2023
Kind
B1
Abstract

A pipe connection swivel joint assembly includes a pipe member having an end flange with a conical proximal surface. A split ring assembly includes a pair of swivel ring halves each having a conical inner surface disposed against the conical proximal surface of the pipe member. The pair of swivel ring halves further include a plurality of mounting holes extending axially through the pair of swivel ring halves and a plurality of ring fastening holes. An outer ring is connected to the pair of swivel ring halves by a plurality of split ring fasteners engaged with the plurality of ring fastening holes. The outer ring supports a pair of distance plates that are disposed between opposing ends of the pair of swivel ring halves.

Claims (9)

1. A pipe connection swivel joint assembly, comprising:

a pipe member having an end flange with a conical proximal surface;

a split ring assembly including a pair of swivel ring halves each having a conical inner surface disposed against the conical proximal surface of the pipe member, the pair of swivel ring halves further including a plurality of mounting holes extending axially through the pair of swivel ring halves and a plurality of ring fastening holes; and

an outer ring connected to the pair of swivel ring halves by a plurality of split ring fasteners engaged with the plurality of ring fastening holes, the outer ring supports a pair of distance plates that are disposed between opposing ends of the pair of swivel ring halves.

2. The pipe connection swivel joint assembly according to claim 1 , further including a static weld neck flange including a plurality of mounting holes aligned with the plurality of mounting holes of the swivel ring holes and receiving a plurality of mounting bolts that secure the static weld neck flange to the pair of swivel ring halves.

3. A pipe connection swivel joint assembly, comprising:

a pipe member having an end flange with a conical proximal surface;

a split ring assembly including a pair of swivel ring halves each having a conical inner surface disposed against the conical proximal surface of the pipe member, the pair of swivel ring halves further including a plurality of mounting holes extending axially through the pair of swivel ring halves and a plurality of ring fastening holes; and

an outer ring connected to the pair of swivel ring halves by a plurality of split ring fasteners engaged with the plurality of ring fastening holes.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 12, 2021
From: NAZARI, HANIF; FREDRIKSEN, FINN
To: FREUDENBERG OIL & GAS, LLC
Reel/Frame 057166/0622 →
Cited By (1)
US 12,662,989