Spherical flange assembly

Details Spherical flange assembly Spherical flange assembly

2006-12-05

2006-12-05

Bochna, David (Department: 3679)

Pipe joints or couplings

Packed

Flanged pipe

C285S261000

Reexamination Certificate

active

07144049

ABSTRACT:
A spherical flange assembly is disclosed. The spherical flange assembly comprises a seat member, a heel member, a seal gland and at least one nut and bold assembly. The seat member includes a concave portion. The heel member includes a convex portion and a seal gland opening. The seal gland is disposed within the seal gland opening.

REFERENCES:
patent: 3477748 (1969-11-01), Tinsley
patent: 4180285 (1979-12-01), Reneau
patent: 4195865 (1980-04-01), Martin
patent: 4448449 (1984-05-01), Halling et al.
patent: 4772033 (1988-09-01), Nash
patent: 4840409 (1989-06-01), Welkey
patent: 5368342 (1994-11-01), Latham et al.
patent: 5697651 (1997-12-01), Fernandes

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