Wells – Above ground apparatus – With seal for reciprocating member
Reexamination Certificate
2006-09-19
2006-09-19
Gay, Jennifer H. (Department: 3672)
Wells
Above ground apparatus
With seal for reciprocating member
C166S084300, C277S516000, C277S532000
Reexamination Certificate
active
07108058
ABSTRACT:
A packing assembly for use with a rotary drilling swivel having a cylindrical wash pipe comprising a housing assembly including a packing gland forming a sealing assembly chamber around the wash pipe, the packing gland including an injection port in open communication with the chamber, a sealing assembly disposed in the chamber and including a first annular seal ring surrounding and in sealing engagement with the wash pipe, an annular containment member disposed in the chamber in surrounding relation to the wash pipe and axially spaced from the first seal ring and an injectable packing composition in sealing engagement with the wash pipe and disposed between the first seal ring and the containment member, one of the wash pipe and the packing assembly being rotatable relative to the other.
REFERENCES:
patent: 2027653 (1936-01-01), Roye
patent: 2150529 (1939-03-01), Guglielmo
patent: 2210826 (1940-08-01), Williams
patent: 2238654 (1941-04-01), Maier
patent: 2459472 (1949-01-01), Tremolada
patent: 2864631 (1958-12-01), Kemp
patent: 3282594 (1966-11-01), Wheeler
patent: 3719366 (1973-03-01), Pippert
patent: 3781456 (1973-12-01), Knowles et al.
patent: 3907307 (1975-09-01), Maurer et al.
patent: 3948588 (1976-04-01), Curington et al.
patent: 4004433 (1977-01-01), Calistrat
patent: 4090565 (1978-05-01), McGee
patent: 4130287 (1978-12-01), Ritzie
patent: 4150727 (1979-04-01), Shepherd
patent: 4177998 (1979-12-01), Laitkep et al.
patent: 4328974 (1982-05-01), White et al.
patent: 4364542 (1982-12-01), Meyer
patent: 4384726 (1983-05-01), Meyer
patent: 4390063 (1983-06-01), Wells, Jr.
patent: 4430892 (1984-02-01), Owings
patent: 4449596 (1984-05-01), Boyadjieff
patent: 4451047 (1984-05-01), Herd et al.
patent: 4572519 (1986-02-01), Cameron et al.
patent: 4596395 (1986-06-01), Miser
patent: 4936382 (1990-06-01), Thomas
patent: 5135240 (1992-08-01), Dodson
patent: 5137083 (1992-08-01), Bump
patent: 5217068 (1993-06-01), Newton
patent: 5284084 (1994-02-01), Pippert et al.
patent: 5480163 (1996-01-01), Miser et al.
patent: 5588491 (1996-12-01), Brugman et al.
patent: 5791411 (1998-08-01), Ricalton et al.
patent: 5823541 (1998-10-01), Dietle et al.
patent: 5960700 (1999-10-01), Staggs et al.
patent: 6007105 (1999-12-01), Dietle et al.
patent: 6520253 (2003-02-01), Calder
patent: 6843313 (2005-01-01), Hult
Exhibit A—Catalog page depicting Skinner Bros. Co., Inc.'s Stuffing Boxes.
Exhibit B—Catalog page exhibiting J.M. Huber Corporation's Stuffing Boxes.
Exhibit C—Catalog page depicting Prior Art Double Packed Polished Rod Stuffing Box.
Exhibit D—Catalog page depicting Lubrikup Company, Inc.'s Packings for all Polished Rod Stuffing Boxes, etc.
Exhibit E—Prior Art Stuffing Box Gland and Seal.
Exhibit F—Prior Art Basic Stuffing Box.
Exhibit G—Prior Art Stuffing Box.
Exhibit H—Utex drawing illustrating Pump Packing Design.
Exhibit I—Utex drawing exhibiting High Pressure Packing.
Exhibit J—Utex drawing exhibiting High Pressure Swivel Packing.
Exhibit K—Utex drawing exhibiting Valve Stem Packing.
Exhibit L—Utex drawing exhibiting Live-Loaded Valve Packing Assembly.
Exhibit M—Illustrating a Prior Art Swivel.
Utex Industries, Inc. U-Pack—Brochure No. 001-03410-98/1M.
Browning & Bushman P.C.
Bushman C. James
Gay Jennifer H.
Utex Industries, Inc.
LandOfFree
Packing assembly for rotary drilling swivels and pumps... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Packing assembly for rotary drilling swivels and pumps..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Packing assembly for rotary drilling swivels and pumps... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3568514