US3290063A - Power-operated pipe coupling - Google Patents

Power-operated pipe coupling Download PDF

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US3290063A
US3290063A US308530A US30853063A US3290063A US 3290063 A US3290063 A US 3290063A US 308530 A US308530 A US 308530A US 30853063 A US30853063 A US 30853063A US 3290063 A US3290063 A US 3290063A
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pipe
pipe section
sleeve
gear
carried
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US308530A
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John A Haeber
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Shell USA Inc
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Shell Oil Co
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L25/00Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L19/00Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
    • F16L19/005Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts comprising locking means for the threaded member
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S285/00Pipe joints or couplings
    • Y10S285/912Gear

Definitions

  • the present invention relates to pipe couplings and pertains more particularly to a coupling for use in high pressure flow lines, such for example, as those utilized on oil and gas producing wells.
  • offshore wells have been drilled either from stationary platforms anchored to the ocean floor, movable barges temporarily positioned on the ocean floor, or from movable barges floating on the body of water in which drilling operations are being carried out. Regardless of the manner in which the wells are drilled, most wells were completed in a manner such that the outermost tubular member of the well extends upwardly from the ocean floor to a point above the surface of the water where a wellhead assembly or Christmas tree is mounted thereon for controlling the production of the well.
  • Wellheads extending above the surface of the water constitute a hazard to the navigation of vessels in the area as well as constituting a structure which is readily attacked by wave action, it being well known that the corrosive action of sea water and air readily attack the normal steel wellheads unless they are protected in a suitable manner by corrosive resistance material.
  • the flow-controlling component of the wellhead may be readily adjusted by an operator working from a platform adjacent the wellhead structure above the sur face of the water.
  • any workover or reconditioning operations carried out on the well may be readily accomplished as all of the portions of the wellhead structure which must be disassembled in order to carry out these operations, are above the surface of the water where they may be reached by maintenance crews.
  • pipe couplings of any suitable design may be employed in the flowline positioned above the surface of the water since they may be readily connected and disconnected by maintenance men employing normal tools used for working on pipe lines on land.
  • a further object of the present invention is to provide a power-operated pipe coupling adapted to connect two ends of a pipe together which are positioned in register one with the other in fixed spaced-apart relationship.
  • Another object of the present invention is to provide a pipe coupling adapted to be actuated by suitable prime mover means, preferably in the form of a power wrench, that is lowerable through a body of water and engageable United States Patent with the pipe coupling to actuate said pipe coupling to either connect or disconnect the coupling from an adjacent pipe end.
  • suitable prime mover means preferably in the form of a power wrench
  • FIGURE 1 is a longitudinal view, taken partially in cross section, showing the pipe coupling of the present invention in its extended form so as to engage the end of a mating section of pipe;
  • FIGURE 2 is a side view of a pipe coupling of FIG- URE 1, partially cut away to show the interaction of the gear mechanism of the coupling;
  • FIGURE 3 is a diagrammatic view illustrating an underwater wellhead positioned near the ocean floor where the wellhead is connected to an underwater pipe line by means of the power actuated coupling of the present invention.
  • FIGURES 1 and 2 of the drawing a pair of pipe sections 10 and 11 are shown as being positioned in axial register and connected together by means of a power-operated pipe coupling in accordance with the present invention.
  • the pipe coupling includes a concentrically mounted tubular sleeve 12 carried at one end of pipe section 10 and being slidably mounted thereon for limited axial movement to a position extending beyond the normal end of the pipe section 10.
  • a concentrically mounted tubular sleeve 12 carried at one end of pipe section 10 and being slidably mounted thereon for limited axial movement to a position extending beyond the normal end of the pipe section 10.
  • about half of the extendable tubular sleeve 12 is positioned adjacent and in sealing contact with the outer surface of the end of pipe line 11.
  • a raised contact or sealing surface 13' is provided on the end of pipe section 11.
  • Suitable sealing means such as O-ring seals 14, are provided and are carried on the inner surface of the extendable tubular sleeve 12 for sealing against the sealing surface 13 of the pipe section 11.
  • the seals 14 are to seal the space between the tubular sleeve 12 and the landing surface 13 at the end of pipe section 11 and may just as readily be carried in a recessed manner on the other surface of pipe section 11 in a manner identical with that illustrated with regard to the sleeve 12.
  • new seals could be installed each time the pipe section 11 was replaced.
  • a series of O-ring seals 15 are provided in recessed portions of the inner surface of the tubular sleeve 12 and positioned thereon so as to contact a sealing'surface 16 carried near the end of pipe section 10.
  • suitable stop means or movement-limiting means are provided between the slidable tubular sleeve 12 and the end of the pipe section 10 so that the tubular sleeve 12 is not extended sufficiently to fall off the end of the pipe section 10 or to disengage rack 20, with pinion 21.
  • One form of movement-limiting means or stop means may be a shoulder 17 formed on the inner surface of the sleeve 12 so as to cooperate with an outwardly extending shoulder 18 carried on the outer surface of a portion of the pipe section 10.
  • stop shoulders 17 and 18 prevent the sleeve 12 from being driven sufliciently far so as to become disengaged from the pipe section 10, it is to be noted that prior to such an occurrence, the rack 20 disengages the pinion 21 even if shoulders 17 and 18 are not present. Once such disengagement had occurred, further driving of sleeve 12 is not possible.
  • shoulders 17 and 18 an important purpose of shoulders 17 and 18 is to limit the travel of sleeve 12 to a position where the rack 20 and pinion 21 are still engaged, the sleeve 12 has traveled far enough to seal effectively on the surface 13, and the sleeve 12 is still engaged on pipe end 10a and sealed against surface 16.
  • Suitable power-operated actuating means are provided on the end of the pipe section to which the extendable sleeve 12 is attached in order to extend or retract the sleeve 12 from engagement with a cooperating pipe section 11, as needed.
  • One form of actuating means is provided by a rack 20 which is fixedly secured, as by welding, to the outer surface of the tubular slidable sleeve 12.
  • Mounted on the pipe section 10 in operative engagement with the rack 20 is a suitable gear means such as a pinion 21 having a drive shaft 22 extending outwardly therefrom for engagement with any suitable form of prime mover means, such for example as a power wrench.
  • the rack 20 and the sleeve 12 attached thereto is moved in one direction or the other.
  • a rack and pinion arrangement has been illustrated, it is to be understood that a worm gear or lead screw or any other suitable type of actuating means may be employed just as readily.
  • the sleeve 12 may be mounted directly on the outside of the pipe section 10, it is preferably enclosed in a housing cylinder 23 which surrounds the end 1011 of the pipe section 10 in a manner so as to be spaced therefrom to form the annular space 24 into which the sleeve 12 may be retracted.
  • the cylindrical housing 23 is provided with a longitudinal slot 25 of a length sufficient to receive the rack 20 therein when the sleeve 12 is in its retracted position.
  • an underwater wellhead 26 is diagrammatically shown as being positioned on the ocean floor 27, the upper end of the production wellhead 26 being closed by suitable closure means 28.
  • a bracket 30 may be fixedly secured at its lower end to the wellhead 26 while its outer end is provided with a U-shaped saddle 31 in which an underwater pipe line section 11 may rest. If desired, the sides of the U-shaped saddle 31 may slope upwardly and inwardly thus serving as aligning means for a pair of sloping flanges or guide means fixedly secured to the outer surface of the pipe 11, as by welding.
  • a first gear carried outwardly on said sliding tubular sleeve said first gear comprising a rack fixedly secured to and arranged longitudinally of said sleeve and slidable insaid pipe section slot to thereby restrain said sleeve to axial movement,
  • a second gear carried near the end of said pipe section in engagement with said first gear, said second gear including a pinion fixedly mounted on said pipe section and in rotatable engagement with said rack, and
  • drive shaft means operatively connected to one of said gears and extending outwardly therefrom for engagement with means for actuating said one gear to move said sliding tubular sleeve axially, the outer end of said sleeve being adapted to sealingly mate telescopically with the terminal end of a second pipe.
  • the pipe connector of claim 1 including seal means carried on the surface of said tubular sleeve near the outer end thereof for sealing against a cooperating sealing surface near one end of a second pipe section.
  • the pipe connector of claim 1 including sleeve stop means formed on said pipe section near the end thereof and engageable with a portion of said sleeve for limiting the axial movement of said sleeve.

Description

Dec. 6, 1966 J. A. HAEBER 3,290,063
POWER-OPERATED PIPE COUPLING Filed Sept. 12, 1963 Fl G. I F I G. 2
INVENTOR:
JOHN A. HAEBER HIS AGENT 3,290,063 POWER-OPERATED PIPE COUPLING John A. Haeber, Houston, Tex., assignor to Shell Oil Company, New York, N.Y., a corporation of Dela- Filed Sept. 12, 1963, Ser. No. 308,530 4 Claims. (Cl. 285--18) The present invention relates to pipe couplings and pertains more particularly to a coupling for use in high pressure flow lines, such for example, as those utilized on oil and gas producing wells.
Heretofore, offshore wells have been drilled either from stationary platforms anchored to the ocean floor, movable barges temporarily positioned on the ocean floor, or from movable barges floating on the body of water in which drilling operations are being carried out. Regardless of the manner in which the wells are drilled, most wells were completed in a manner such that the outermost tubular member of the well extends upwardly from the ocean floor to a point above the surface of the water where a wellhead assembly or Christmas tree is mounted thereon for controlling the production of the well.
Wellheads extending above the surface of the water constitute a hazard to the navigation of vessels in the area as well as constituting a structure which is readily attacked by wave action, it being well known that the corrosive action of sea water and air readily attack the normal steel wellheads unless they are protected in a suitable manner by corrosive resistance material. However, when the wellhead and/ or casinghead extend above the surface of the water, the flow-controlling component of the wellhead may be readily adjusted by an operator working from a platform adjacent the wellhead structure above the sur face of the water. Additionally, any workover or reconditioning operations carried out on the well may be readily accomplished as all of the portions of the wellhead structure which must be disassembled in order to carry out these operations, are above the surface of the water where they may be reached by maintenance crews. Thus, pipe couplings of any suitable design may be employed in the flowline positioned above the surface of the water since they may be readily connected and disconnected by maintenance men employing normal tools used for working on pipe lines on land.
Recently, however, methods and apparatus have been developed for drilling and completing oil and gas wells on the ocean floor in a manner such that after completion of the well, the wellhead assembly, including various components such as'flow control valves and pipe couplings, is positioned beneath the surface of the water, preferably on the ocean floor. These facilities are often positioned in water depths greater than the depth at which a diver can safely and readily Work. It may therefore be seen that the adjustment of any wellhead component from time to time, or the task of disconnecting or connecting pipe couplings during maintenance or reconditioning Work on the well, presents a considerable problem when the wellhead assembly is positioned below the surface of the water.
It is therefore a primary object of the present invention to provide a power-operable pipe coupling adapted to connect underwater pipe lines together or to connect an underwater pipe line to an underwater well or other installations below diver depth in a body of water.
A further object of the present invention is to provide a power-operated pipe coupling adapted to connect two ends of a pipe together which are positioned in register one with the other in fixed spaced-apart relationship.
Another object of the present invention is to provide a pipe coupling adapted to be actuated by suitable prime mover means, preferably in the form of a power wrench, that is lowerable through a body of water and engageable United States Patent with the pipe coupling to actuate said pipe coupling to either connect or disconnect the coupling from an adjacent pipe end.
These and other objects of this invention will be understood from the following description taken with reference to the drawing, wherein:
FIGURE 1 is a longitudinal view, taken partially in cross section, showing the pipe coupling of the present invention in its extended form so as to engage the end of a mating section of pipe;
FIGURE 2 is a side view of a pipe coupling of FIG- URE 1, partially cut away to show the interaction of the gear mechanism of the coupling; and,
FIGURE 3 is a diagrammatic view illustrating an underwater wellhead positioned near the ocean floor where the wellhead is connected to an underwater pipe line by means of the power actuated coupling of the present invention.
Referring to FIGURES 1 and 2 of the drawing, a pair of pipe sections 10 and 11 are shown as being positioned in axial register and connected together by means of a power-operated pipe coupling in accordance with the present invention.
The pipe coupling includes a concentrically mounted tubular sleeve 12 carried at one end of pipe section 10 and being slidably mounted thereon for limited axial movement to a position extending beyond the normal end of the pipe section 10. Thus, in its extended position, as shown, about half of the extendable tubular sleeve 12 is positioned adjacent and in sealing contact with the outer surface of the end of pipe line 11. Preferably a raised contact or sealing surface 13'is provided on the end of pipe section 11.
Suitable sealing means, such as O-ring seals 14, are provided and are carried on the inner surface of the extendable tubular sleeve 12 for sealing against the sealing surface 13 of the pipe section 11. It is to be readily understood, however, that the seals 14 are to seal the space between the tubular sleeve 12 and the landing surface 13 at the end of pipe section 11 and may just as readily be carried in a recessed manner on the other surface of pipe section 11 in a manner identical with that illustrated with regard to the sleeve 12. Thus, with the seals 14 being carried by the end of pipe section 11, new seals could be installed each time the pipe section 11 was replaced.
In a like manner a series of O-ring seals 15 are provided in recessed portions of the inner surface of the tubular sleeve 12 and positioned thereon so as to contact a sealing'surface 16 carried near the end of pipe section 10. Preferably, suitable stop means or movement-limiting means are provided between the slidable tubular sleeve 12 and the end of the pipe section 10 so that the tubular sleeve 12 is not extended sufficiently to fall off the end of the pipe section 10 or to disengage rack 20, with pinion 21. One form of movement-limiting means or stop means may be a shoulder 17 formed on the inner surface of the sleeve 12 so as to cooperate with an outwardly extending shoulder 18 carried on the outer surface of a portion of the pipe section 10. While stop shoulders 17 and 18 prevent the sleeve 12 from being driven sufliciently far so as to become disengaged from the pipe section 10, it is to be noted that prior to such an occurrence, the rack 20 disengages the pinion 21 even if shoulders 17 and 18 are not present. Once such disengagement had occurred, further driving of sleeve 12 is not possible. Thus, it is seen that an important purpose of shoulders 17 and 18 is to limit the travel of sleeve 12 to a position where the rack 20 and pinion 21 are still engaged, the sleeve 12 has traveled far enough to seal effectively on the surface 13, and the sleeve 12 is still engaged on pipe end 10a and sealed against surface 16. It is equally important that precautions be taken to insure that the rack 20 and pinion 21 are not disengaged when the sleeve 12 is driven to the open, or released, position. Numeral designations 34 and 35 in FIGUREI illustrate one means which are employed by the tool design to guard against this possibility. When the connector is driven to the released position, the end 34 of sleeve 12 lands on the shoulder 35 of housing cylinder 23, limiting the travel of sleeve 12; and, again, pre venting disengagement of rack 20 with pinion 21.
Suitable power-operated actuating means are provided on the end of the pipe section to which the extendable sleeve 12 is attached in order to extend or retract the sleeve 12 from engagement with a cooperating pipe section 11, as needed. One form of actuating means is provided by a rack 20 which is fixedly secured, as by welding, to the outer surface of the tubular slidable sleeve 12. Mounted on the pipe section 10 in operative engagement with the rack 20 is a suitable gear means such as a pinion 21 having a drive shaft 22 extending outwardly therefrom for engagement with any suitable form of prime mover means, such for example as a power wrench. Thus, in rotating the shaft 22 and pinion 21, the rack 20 and the sleeve 12 attached thereto is moved in one direction or the other. While a rack and pinion arrangement has been illustrated, it is to be understood that a worm gear or lead screw or any other suitable type of actuating means may be employed just as readily. While the sleeve 12 may be mounted directly on the outside of the pipe section 10, it is preferably enclosed in a housing cylinder 23 which surrounds the end 1011 of the pipe section 10 in a manner so as to be spaced therefrom to form the annular space 24 into which the sleeve 12 may be retracted. As shown in FIGURE 2, the cylindrical housing 23 is provided with a longitudinal slot 25 of a length sufficient to receive the rack 20 therein when the sleeve 12 is in its retracted position.
In using the pipe coupling of the present invention it may be seen that after the two pipe sections 10 and 11 are positioned in axial register one with the other, a wrench is connected to the shaft 22 of the pinion 21 which is then rotated so as to drive the rack 20 and the sleeve 12 to an extended position with the seals 14 on the inner surface of the sleeve 12 forming a fluidtight seal against the sealing surface 13 of the pipe section 11.
Referring to FIGURE 3 of the drawing, an underwater wellhead 26 is diagrammatically shown as being positioned on the ocean floor 27, the upper end of the production wellhead 26 being closed by suitable closure means 28. A bracket 30 may be fixedly secured at its lower end to the wellhead 26 while its outer end is provided with a U-shaped saddle 31 in which an underwater pipe line section 11 may rest. If desired, the sides of the U-shaped saddle 31 may slope upwardly and inwardly thus serving as aligning means for a pair of sloping flanges or guide means fixedly secured to the outer surface of the pipe 11, as by welding. With the pipe 11 in the saddle 31 in the flanges 32 and 33 on opposite sides of the saddle 31, it is known that the end of the pipe line 11 is in fixed space relationship and axial alignment with the pipe section 10, as shown in FIGURE 1. With the two pipe sections 10 and 11 arranged in this manner, suitable means may be employed to operate the gear mechanism of the present pipeline coupling so as to extend the slidable sleeve 12 outwardly to engage the end of the pipeline 11 in a fiuidtight manner, as illustrated in FIGURE 1. One suitable form of apparatus for accomplishing this operation is described and illustrated in U.S. Patent 3,099,316 which is directed to an underwater manipulator' device having a power wrench thereon for carrying 4 out operations of this type underwater. The manipulator device is provided with suitable means for lowering through the water as well as propulsion means for moving it through the water to a predetermined position on or adjacent a wellhead or other underwater installation.
While a pipe line connector of the present invention has been described hereinabove as being normally fixedly mounted on the Wellhead 26 (FIGURE 3), it is to be understood that in many cases.it may be preferred to mount the coupling device on the section of flow line 11 which is to be installed and connected to the underwater wellhead 26. Thus, any time the underwater pipe line 11 has to be replaced, the power actuated coupling carried at the end of the line could be inspected, repaired and new seals installed, if necessary, before being used on a new section of pipe line to be lowered to the ocean floor.
I claim as my invention:
1. A pipe connector carried at one end of a pipe section and adapted to be extended axially to connect to a second pipe section, said pipe connector comprising:
an outer concentrically mounted tubular sleeve sealingly carried outwardly at the end of said pipe sec-" tion and slidably mounted for limited axial movement to a position extending beyond the normal end of said pipe section, said pipe section end having an axially-extending slot therein,
a first gear carried outwardly on said sliding tubular sleeve, said first gear comprising a rack fixedly secured to and arranged longitudinally of said sleeve and slidable insaid pipe section slot to thereby restrain said sleeve to axial movement,
a second gear carried near the end of said pipe section in engagement with said first gear, said second gear including a pinion fixedly mounted on said pipe section and in rotatable engagement with said rack, and
drive shaft means operatively connected to one of said gears and extending outwardly therefrom for engagement with means for actuating said one gear to move said sliding tubular sleeve axially, the outer end of said sleeve being adapted to sealingly mate telescopically with the terminal end of a second pipe.
2. The pipe connector of claim 1 including seal means carried on the surface of said tubular sleeve near the outer end thereof for sealing against a cooperating sealing surface near one end of a second pipe section.
3. The pipe connector of claim 1 including sleeve stop means formed on said pipe section near the end thereof and engageable with a portion of said sleeve for limiting the axial movement of said sleeve.
4. The pipe connector of claim 1 wherein said pipe section is provided with a longitudinal annular recess extending in from one end and being of a size to contain said sleeve therein with a wall portion of said pipe section extending axially on the inside and on the outside of said sleeve.
References ited by the Examiner UNITED STATES PATENTS 430,721 6/1890 Winkler 285309 581,936 5/1897 Kester 285364 X 1 2,180,720 11/1939 Kaedle 285-320 2,593,491 4/1952 Saunders 285-31 X 3,053,553. 9/1962 Browning 28531 3,174,806 3/1965 Barber 285-31 X.
CARL W. TOMLIN, Primary Examiner.
S. R. MILLER, D. W. AROLA, Assistant Examiners.

Claims (1)

1. A PIPE CONNECTOR CARRIED AT ONE END OF A PIPE SECTION AND ADAPTED TO BE EXTENDED AXIALLY TO CONNECT TO A SECOND PIPE SECTION, SAID PIPE CONNECTOR COMPRISING: AN OUTER CONCENTRICALLY MOUNTED TUBULAR SLEEVE SEALINGLY CARRIED OUTWARDLY AT THE END OF SAID PIPE SECTION AND SLIDABLY MOUNTED FOR LIMITED AXIAL MOVEMENT TO A POSITION EXTENDING BEYOND THE NORMAL END OF SAID PIPE SECTION, SAID PIPE SECTION END HAVING AN AXIALLY-EXTENDING SLOT THEREIN, A FIRST GEAR CARRIED OUTWARDLY ON SAID SLIDING TUBULAR SLEEVE, SAID FIRST GEAR COMPRISING A RACK FIXEDLY SECURED TO AND ARRANGED LONGITUDINALLY OF SAID SLEEVE AND SLIDABLE IN SAID PIPE SECTION SLOT TO THEREBY RESTRAIN SAID SLEEVE TO AXIAL MOVEMENT, A SECOND GEAR CARRIED NEAR THE END OF SAID PIPE SECTION IN ENGAGEMENT WITH SAID FIRST GEAR, SAID SECOND GEAR INCLUDING A PINION FIXEDLY MOUNTED ON SAID PIPE SECTION AND IN ROTATABLE ENGAGEMENT WITH SAID RACK, AND DRIVE SHAFT MEANS OPERATIVELY CONNECTED TO ONE OF SAID GEARS AND EXTENDING OUTWARDLY THEREFROM FOR ENGAGEMENT WITH MEANS FOR ACTUATING SAID ONE GEAR TO MOVE SAID SLIDING TUBULAR SLEEVE AXIALLY, THE OUTER END OF SAID SLEEVE BEING ADAPTED TO SEALINGLY MATE TELESCOPICALLY WITH THE TERMINAL END OF A SECOND PIPE.
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3577961A (en) * 1967-03-17 1971-05-11 Daimler Benz Ag Liquid-cooled supercharged internal combustion engine
US3604731A (en) * 1969-05-19 1971-09-14 Shell Oil Co Simultaneous pipeline-wellhead connections
US3643982A (en) * 1968-03-14 1972-02-22 Carves Simon Ltd Dust sealing mechanisms for hoppers or the like
US3645563A (en) * 1969-05-07 1972-02-29 Brown & Root Method and apparatus for making submerged pipeline connections
US4508404A (en) * 1981-11-23 1985-04-02 Ball Corporation Remote connect and disconnect assembly with energy isolation
US4997210A (en) * 1987-10-26 1991-03-05 British Nuclear Fuels Plc Services connections for workstations
US5058929A (en) * 1989-11-09 1991-10-22 The United States Of America As Represeted By The Administrator Of The National Aeronautics And Space Administration Mechanized fluid connector and assembly tool system with ball detents
US20120279604A1 (en) * 2006-03-16 2012-11-08 Macronix International Co., Ltd. Pipe unit
WO2014089039A1 (en) * 2012-12-04 2014-06-12 Seaboard International, Inc. Connector apparatus for subsea blowout preventer
US20180274704A1 (en) * 2017-06-01 2018-09-27 Peter Baruch Mueller Apparatus for connection and sealing of utility connections

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US430721A (en) * 1890-06-24 Hose-coupling
US581936A (en) * 1897-05-04 kestek
US2180720A (en) * 1939-03-17 1939-11-21 Raedle Theodor Pipe joint
US2593491A (en) * 1947-11-26 1952-04-22 Harold E Saunders Water tunnel
US3053553A (en) * 1959-07-07 1962-09-11 Browning Harold Demountable side slide coupling
US3174806A (en) * 1962-11-13 1965-03-23 Newaygo Engineering Company Switch for pneumatic conveyors

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US430721A (en) * 1890-06-24 Hose-coupling
US581936A (en) * 1897-05-04 kestek
US2180720A (en) * 1939-03-17 1939-11-21 Raedle Theodor Pipe joint
US2593491A (en) * 1947-11-26 1952-04-22 Harold E Saunders Water tunnel
US3053553A (en) * 1959-07-07 1962-09-11 Browning Harold Demountable side slide coupling
US3174806A (en) * 1962-11-13 1965-03-23 Newaygo Engineering Company Switch for pneumatic conveyors

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3577961A (en) * 1967-03-17 1971-05-11 Daimler Benz Ag Liquid-cooled supercharged internal combustion engine
US3643982A (en) * 1968-03-14 1972-02-22 Carves Simon Ltd Dust sealing mechanisms for hoppers or the like
US3645563A (en) * 1969-05-07 1972-02-29 Brown & Root Method and apparatus for making submerged pipeline connections
US3604731A (en) * 1969-05-19 1971-09-14 Shell Oil Co Simultaneous pipeline-wellhead connections
US4508404A (en) * 1981-11-23 1985-04-02 Ball Corporation Remote connect and disconnect assembly with energy isolation
US4997210A (en) * 1987-10-26 1991-03-05 British Nuclear Fuels Plc Services connections for workstations
US5058929A (en) * 1989-11-09 1991-10-22 The United States Of America As Represeted By The Administrator Of The National Aeronautics And Space Administration Mechanized fluid connector and assembly tool system with ball detents
US9074710B2 (en) * 2006-03-16 2015-07-07 Macronix International Co., Ltd. Pipe unit
US20120279604A1 (en) * 2006-03-16 2012-11-08 Macronix International Co., Ltd. Pipe unit
WO2014089039A1 (en) * 2012-12-04 2014-06-12 Seaboard International, Inc. Connector apparatus for subsea blowout preventer
US9175551B2 (en) 2012-12-04 2015-11-03 Seaboard International, Inc. Connector apparatus for subsea blowout preventer
EP2929126A4 (en) * 2012-12-04 2016-11-16 Seaboard Internat Inc Connector apparatus for subsea blowout preventer
US9534467B2 (en) 2012-12-04 2017-01-03 Seaboard International, Inc. Connector apparatus for subsea blowout preventer
US10316606B2 (en) 2012-12-04 2019-06-11 Seaboard International, Inc. Connector apparatus for subsea blowout preventer
US20180274704A1 (en) * 2017-06-01 2018-09-27 Peter Baruch Mueller Apparatus for connection and sealing of utility connections
US10883631B2 (en) * 2017-06-01 2021-01-05 Peter Baruch Mueller Apparatus for connection and sealing of utility connections
US20210123548A1 (en) * 2017-06-01 2021-04-29 Peter Baruch Mueller Apparatus for connection and sealing of utility connections
US11815200B2 (en) * 2017-06-01 2023-11-14 Peter Baruch Mueller Apparatus for connection and sealing of utility connections

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