Interrupted Thread Patents (Class 285/391)
  • Patent number: 11415246
    Abstract: The threaded joint includes a pin and a box. The pin includes a taper male thread part, and the box includes a taper female thread part to be engaged with the taper male thread part. The male thread part is divided into a first region on the free end side of the pin, and a second region on the tubular side of the pin along a tube axis direction. The taper ratio of the first region is greater than the taper ratio of the second region. The taper ratio of the first region is greater than the taper ratio of the female thread part. The taper ratio of the second region is equal to or greater than the taper ratio of the female thread part.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: August 16, 2022
    Assignees: NIPPON STEEL CORPORATION, VALLOUREC OIL AND GAS FRANCE
    Inventors: Yoshinori Ando, Shin Ugai, Yousuke Oku
  • Patent number: 11384858
    Abstract: Aspects of the disclosure relate to locking assembly apparatus and methods for fluid ends, and associated components thereof. In one implementation, a locking assembly for fluid ends includes a first actuator and a second actuator disposed at least partially below the first actuator. The second actuator includes one or more coupling surfaces disposed in coupling engagement with one or more coupling surfaces of the first actuator. The locking assembly also includes a plurality of wedges disposed about the second actuator and movable between an unlocked position and a locked position.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: July 12, 2022
    Assignee: FORUM US, INC.
    Inventors: Timothy Sherbeck, Chinedu Ezeka, Heinrich Bartels
  • Patent number: 10955074
    Abstract: A pipe socket for making a threaded pipe connection that includes: a socket body defining a threaded portion, a cavity and a stop; an O-ring positioned within the cavity; and a plurality of interrupted series of tapping threads defined on an internal surface of the socket body in the threaded portion. The cavity is configured to receive a pipe and the stop is configured to stop a pipe received within the cavity. Each of the interrupted series of tapping threads is circumferentially equidistant from the adjacent interrupted series of tapping threads. Further, each of the interrupted series of tapping threads comprises threads arranged axially on the internal surface of the socket body for forming threads on a pipe received within the cavity.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: March 23, 2021
    Assignee: NIBCO Inc.
    Inventors: Benjamin L. Lawrence, Richard D. Latham, David A. Bobo, Christopher W. Mason, Ronald Dale Paige
  • Patent number: 10822887
    Abstract: The invention relates to a connector for assembling two sections of a riser. The connector comprises two riser sections that are assembled by a locking ring with the aid of two bayonet connections. The connector additionally comprises means for securing the locking ring against the connector elements.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: November 3, 2020
    Assignee: IFP ENERGIES NOUVELLES
    Inventors: Emmanuel Persent, Gerard Papon, Jeremie Triadou
  • Patent number: 10781954
    Abstract: A system for selectably fastening a female member with a male member adapted to fit inside the female member, the female member having one or more inward-facing recesses and the male member having one or more outward-facing recess, the recesses being of similar cross-sectional dimensions, includes one or more moveable, ferromagnetic locking elements housed within the inward-facing recesses of the female member; and a locking magnet mounted onto the male member, in magnetic proximity to the one or more outward-facing recesses, wherein, in the presence of a magnetic force applied by the locking magnet, mating of the male and female members bringing the outward-facing and inwardly-facing recesses into mutual registration causes the locking elements to move inwardly into the outward-facing recesses so as to extend across both of the inward- and outward-facing recesses, thereby to lock the male and female members together.
    Type: Grant
    Filed: May 7, 2018
    Date of Patent: September 22, 2020
    Assignee: HAMAT SANITARY FITTINGS AND CASTINGS LTD.
    Inventor: Zvi Remenik
  • Patent number: 10494889
    Abstract: A tubing or casing hanger assembly includes a tubing or casing hanger including a first key disposed on an outer surface of the hanger, and a locking member disposed about the hanger, the locking member including a first key disposed on an inner surface of the hanger, wherein the locking member includes a first position where the first key of the locking member is circumferentially spaced from the first key of the hanger, and a second position where the first key of the locking member circumferentially overlaps with the first key of the locking member to couple the locking member with the hanger.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: December 3, 2019
    Assignee: Cameron International Corporation
    Inventors: Gavin Robottom, Robert Cridland
  • Patent number: 10465454
    Abstract: There is provided a system for preventing the movement of a clamping member, the system comprising a clamping member in moveable association with a first member, and at least one locking member moveably associated with said first member and said clamping member, wherein when said clamping member is moved towards the longitudinal axis of said first member, said at least one locking member is moveable towards the clamping member in order to prevent said clamping member from moving away from said longitudinal axis to its initial position.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: November 5, 2019
    Assignee: BRITANNIA ENGINEERING (ISLE OF MAN) LIMITED
    Inventor: Peter Curry
  • Patent number: 10215318
    Abstract: A breech lock coupling comprising a stem receivable in a hose, a ferrule configured to receive the stem and hose, a connector, the ferrule comprising a plurality of ferrule lugs on an inner surface, each ferrule lug separated from an adjacent ferrule lug by a ferrule lug gap, the connector comprising a plurality of connector lugs on an outer surface, each connector lug separated from an adjacent connector lug by a connector lug gap, each ferrule lug gap arranged to receive a connector lug and each connector lug gap arranged to receive a ferrule lug upon engagement of the ferrule with the connector, each connector lug axially alignable with a ferrule lug upon rotation (R) of the connector within the ferrule, the connector engages a stem end, a fastener for fixing a connector position relative to the ferrule.
    Type: Grant
    Filed: July 27, 2016
    Date of Patent: February 26, 2019
    Assignee: Gates Corporation
    Inventors: Andras Gaspar, Norbert Reichenberger
  • Patent number: 9822913
    Abstract: A hydraulic fluid line coupling system is disclosed. The coupling may include a female fitting, a male fitting, first and second elastomeric seals between the female fitting and male fitting, and a lock nut securing the female fitting to the male fitting, and the lock nut including a plurality of threads.
    Type: Grant
    Filed: March 16, 2015
    Date of Patent: November 21, 2017
    Assignee: Caterpillar Inc.
    Inventors: Patrick E. Considine, Jr., Carl H. Rempert
  • Publication number: 20150076819
    Abstract: A connector component is provided for assembly into a torch. The connector component comprises a body that includes a proximal end and a distal end disposed along a longitudinal axis. At least two thread regions are disposed radially about the longitudinal axis on a surface of the body near the proximal end. Each thread region includes at least two parallel threads disposed on the surface of the body. In addition, at least two smooth regions are each disposed radially about the longitudinal axis between a pair of thread regions on the surface of the body.
    Type: Application
    Filed: September 19, 2013
    Publication date: March 19, 2015
    Applicant: Hypetherm, Inc.
    Inventors: Jonathan P. Mather, Jeffrey R. Cornish, Geoffrey W. Smith, Boris Mandadzhiev, Harshawardhan Jogdand, Shawn Laflamme, George Caccavaro
  • Publication number: 20140260564
    Abstract: A connector with a biocompatible fluid passageway and method for manufacturing thereof is described. The biocompatible connector may be used in an analytical instrument (AI) system as a union, an adapter, a tee, a cross, a manifold, a valve, or for other fittings or components. The connector has a reinforcement insert and a biocompatible molding covering portions of the reinforcement insert. The reinforcement insert has a first portion, a second portion, and a middle portion between the first portion and the second portion. The first and second portions have threaded sections and each have a plurality of non-threaded sections. For a given portion, the junction of the non-threaded sections forms a lip by which to prevent the molded material from flowing into the threaded sections. In certain embodiments, an interior web is used in the reinforcement insert to provide additional structural support.
    Type: Application
    Filed: March 13, 2013
    Publication date: September 18, 2014
    Inventor: Eric Beemer
  • Patent number: 8727389
    Abstract: A coupling for attaching a fuel canister to an appliance such as a torch comprises a first connector on the canister. The first connector comprises a first set of screw threads where the first set of screw threads are interrupted to define a shape. A second connector on the appliance comprises a locking element. The locking element has a matching shape that matches the shape such that the locking element closely receives the first connector when the first connector is in a first orientation relative to the second connector.
    Type: Grant
    Filed: May 1, 2008
    Date of Patent: May 20, 2014
    Assignee: Worthington Torch, LLC
    Inventors: Thomas A. Burdsall, Michael R. Johnston
  • Patent number: 8528647
    Abstract: The invention relates to a riser pipe section (1) comprising a main tube (2), at least one auxiliary line element (3) arranged substantially parallel to said tube (2), the ends of the main tube comprising connection means allowing longitudinal stresses to be transmitted and the ends of the auxiliary line element comprising linking means allowing longitudinal stresses to be transmitted, said linking means comprising at least one locking pin (14).
    Type: Grant
    Filed: September 23, 2010
    Date of Patent: September 10, 2013
    Assignee: IFP Energies Nouvelles
    Inventors: Jean Guesnon, Gérard Papon, Emmanuel Persent
  • Patent number: 8365754
    Abstract: A valve cover assembly for a pump. In an embodiment, the valve cover assembly comprises a first cylindrical member having a central axis and a first throughbore. In addition, the valve cover assembly comprises a second cylindrical member coaxially disposed within the first throughbore and rotatable relative to the first cylindrical member about the central axis between a first position and a second position. In the first position, the second cylindrical member is axially translatable relative to the first cylindrical member. In the second position, the second cylindrical member is axially fixed relative to the first cylindrical member.
    Type: Grant
    Filed: August 27, 2009
    Date of Patent: February 5, 2013
    Assignee: National Oilwell Varco, L.P.
    Inventors: Andrew Dale Riley, Randall Ferrain Weaver
  • Patent number: 7887098
    Abstract: A locking device for locking a threaded pipe connection where two threaded connection units are screwed together. The locking device includes two locking rings which engage each other with corresponding teeth and notches on their first sides. Each of the two rings has a different number of teeth and notches on their second side. The two second sides, which face the connection units, are formed to engage a corresponding number of notches and teeth formed on the shoulder of the connection unit's opposite side, after the rings have been spread apart in an axial direction, while maintaining the engagement between the first and the second ring.
    Type: Grant
    Filed: September 17, 2004
    Date of Patent: February 15, 2011
    Assignee: National Oil Well Norway AS
    Inventor: Brynjulv Aas
  • Patent number: 7802692
    Abstract: A device and method for fastening two component members. The device includes a first component member including at least two protruded portions each having a predetermined lead angle, and a second component member which keeps predetermined positional relationship with the first component member and has at least two protruded portions which are engaged with the protruded portions of the first component member, among at least two of which protruded portions, at least one of the protruded portion has a different lead angle from the lead angle of the protruded portions of the first component member, and the first and second component members can be moved closer opposite each other, the protruded portions are engaged with each other after moving opposite each other by a certain distance, and the first and second component members are integrally fixed by frictional engagement of the protruded portions differing in the lead angle.
    Type: Grant
    Filed: January 15, 2004
    Date of Patent: September 28, 2010
    Assignee: Three R Produce, Inc.
    Inventors: Hitoshi Maejima, Tadashi Maejima
  • Patent number: 7793989
    Abstract: A self-locking threaded connection including an externally threaded male part having a hollow center and a series of cooperating members; and an internally threaded female part having a series of cooperating members; the cooperating members consisting of projections and detents. As the parts are threaded together, the reception of the projections into the detents produces both audio and tactile responses indicating that the connection is made and near a destructive over tightening.
    Type: Grant
    Filed: August 23, 2007
    Date of Patent: September 14, 2010
    Inventor: Robert Pinckney, Jr.
  • Patent number: 7748755
    Abstract: A coupling for joining a first pole section and a second pole section is provided. The coupling includes a male portion secured to the first pole section and a female portion secured to the second pole section. The male portion has a first male guide, a second male guide, and a first threaded section between the first and second male guides. The female portion has a first female guide, a second female guide, and a second threaded section between the first and second female guides. The guides are spaced from one another and from the first and second threaded sections so that the first male and female guides are engaged with one another and the second male and female guides are engaged with one another before the threaded sections engage with one another.
    Type: Grant
    Filed: October 17, 2007
    Date of Patent: July 6, 2010
    Assignee: Unger Marketing International, LLC
    Inventors: Robert Camp, David Rogers, Matthew Hodgkins
  • Patent number: 7717478
    Abstract: A threaded connection between adjacent tubular members includes a pin member providing an external wedge thread and a box member providing an internal wedge thread, wherein the internal wedge thread corresponds with the external wedge thread. Further, the threaded connection includes at least one interruption along a helical thread length of one of the external wedge thread and the internal wedge thread and at least two regions along an axial length of the threaded connection where the external wedge thread and the internal wedge thread form a thread seal.
    Type: Grant
    Filed: August 29, 2006
    Date of Patent: May 18, 2010
    Assignee: Hydril LLC
    Inventor: Harris A. Reynolds, Jr.
  • Patent number: 7591059
    Abstract: Methods and apparatus for making a connection that can be rotationally locked by expansion are disclosed. Threaded tubular ends include a slot cut across a thread at a location along the circumference of the thread. Threading two tubular members that have the slot disposed in either or both of a pin or box end of the tubular members establishes the connection. The slots represent no impediment to the make-up or break-out of a box by pin connection prior to expansion. During expansion of the connection, the threads of either the box or pin end are forced via plastic flow into the slot in the corresponding thread. This results in locking the connection and preventing relative rotation between the two tubular members, which could otherwise loosen the connection.
    Type: Grant
    Filed: September 13, 2005
    Date of Patent: September 22, 2009
    Assignee: Weatherford/Lamb, Inc.
    Inventors: Iain C. MacAulay, Simon J. Harrall
  • Patent number: 7568737
    Abstract: A male coupling is connectable to and separable from a female threaded coupling. The female threaded coupling includes a sealing surface and a receiving portion sized to receive at least a portion of the male coupling, where the receiving portion has internal threads provided therein. The male coupling includes a body having a passageway extending therethrough and a locking member disposed about the body and configured to move between locking and releasing positions. The locking member has a retaining formation configured to engage the internal threads of the female threaded coupling when the locking member is in its locking position. After insertion of the male coupling into the female threaded coupling, the retaining formation of the locking member engages one or more of the internal threads in the female threaded coupling when the locking member is in its locking position.
    Type: Grant
    Filed: September 24, 2007
    Date of Patent: August 4, 2009
    Assignee: Eaton Corporation
    Inventors: Michael P. Wells, Todd Jerome Vogel
  • Patent number: 7452007
    Abstract: An expandable threaded connection between segments of expandable tubulars. The present invention utilizes two complementary thread segments. The first segment of the threaded connection utilizes standard box and pin threads. In the second segment of the threaded connection, material is removed from the stab flank of the pin threads to reduce the standard width of the pin threads, while the box threads of the second segment are standard thread width. The use of the reduced thread width in the pin threads of the second segment allows for a loose fit between the pin threads of the second segment and the box threads of the second segment. The loose fit between the pin and box threads of the second segment allows radial and axial movement between those threads without causing disengagement of the threaded connection during the expansion process.
    Type: Grant
    Filed: July 7, 2004
    Date of Patent: November 18, 2008
    Assignee: Weatherford/Lamb, Inc.
    Inventors: Ghazi J. Hashem, Lev M. Ring, John R. Setterberg, Jr.
  • Patent number: 7431351
    Abstract: This invention is a method and apparatus for making a pressure-containing threaded tubular connection, suitable for remotely operated connection and separation, utilizing electrical heating to reduce the amount of make up torque required to produce reliable preloading of the connection. One aspect of the present invention comprises: 1) a first hub with male threads on its exterior and having a sealing face and axial flow passage, b) a second hub having an axial flow passage and carrying an annular seal which can be mated with the sealing face of the first hub and mounting a rotatable nut having female threads on its interior and integral nut heating means. After stabbing and initial make-up of the connection, the nut is heated and thereby expanded in a controlled manner and the connection retightened. Following cooling, the structural connection is fully preloaded and the annular seal fully compressed so that it seals. Reversing the procedure permits disconnection.
    Type: Grant
    Filed: June 16, 2004
    Date of Patent: October 7, 2008
    Inventor: Larry R. Russell
  • Patent number: 7416223
    Abstract: A coupling device for an adapter connection point, including a first fitting and a second fitting, wherein at least one of the first and the second fittings includes at least one channel, and wherein when a user begins to disengage the coupling device any trapped pressure will be relieved through the at least one channel prior to total disengagement of the coupling device.
    Type: Grant
    Filed: January 22, 2003
    Date of Patent: August 26, 2008
    Inventor: Michael Sulmone
  • Patent number: 7380590
    Abstract: A Rotating Pressure Control Head (RPCH) with a rapid engagement mechanism is disclosed. The RPCH comprises an upper body and a lower body. The rapid engagement mechanism allows the upper body to be quickly disengaged from the lower body and replaced with a new upper body. The upper body comprises a sealing element and an inner housing that rotates with respect to an outer housing. The sealing element contains a plurality of internal cavities. The plurality of cavities control the constriction of the sealing element around the drill pipe.
    Type: Grant
    Filed: August 19, 2004
    Date of Patent: June 3, 2008
    Assignee: Sunstone Corporation
    Inventors: William James Hughes, Murl Ray Richardson
  • Patent number: 7316430
    Abstract: A connecting mechanism for two parts, which are at least partially insertable into one another, presents a cam-operated component, which runs on bearings and which is adjustable between a passive and an active position, on the one part, for shifting a number of contact elements between a withdrawal and a contact position, whereby the contact elements, when in the contact position, mesh in a retaining indentation on the other part, and a driving device for the adjustment of the cam-operated component between the active and passive positions. In order to ensure a secure and stable connection of these parts, using simple design means without additional pre-stressing or restraining devices, even when the parts are only partially inserted into one another, the contact elements are arranged in two or more levels essentially parallel to the insertion direction of the two parts and the cam-operated component for shifting the contact elements between the withdrawal and contact positions is allocated to each level.
    Type: Grant
    Filed: September 1, 2003
    Date of Patent: January 8, 2008
    Assignee: Cameron International Corporation
    Inventor: Klaus Biester
  • Patent number: 7213655
    Abstract: A hands-free connection system is provided for coupling downhole tools for use in well operations. The connection system includes two downhole tools connectable together in threaded engagement. The connection system further includes a compressible locking sleeve positioned between the coupled downhole tools for maintaining the tools in threaded engagement and in a predetermined alignment for deployment downhole.
    Type: Grant
    Filed: March 24, 2004
    Date of Patent: May 8, 2007
    Assignee: Schlumberger Technology Corporation
    Inventor: Robert A. Parrott
  • Patent number: 7207607
    Abstract: The invention relates to a coaxial two-component cartridge, with an outer tube and a separate inner tube, both of which tape at one respective end into a respective neck, wherein the inner side of the neck of the outer tube and the outer side of the neck of the inner tube are each provided with locking elements that can be moved into engagement with each other, for a coaxial introduction of the inner tube into the outer tube, such that they fix the inner tube relative to the outer tube coaxially and in a predetermined axial position. The coaxial two-component cartridge distinguishes itself in that the locking elements of the neck of the outer tube are formed by a plurality in the axial direction of successive channels, and the locking elements of the neck of the inner tube are formed by a plurality in the axial direction of successive ribs integral with the neck, and the outer diameter of the neck of the inner tube including the ribs is at least as large as the clearance diameter of the channels.
    Type: Grant
    Filed: September 1, 2004
    Date of Patent: April 24, 2007
    Assignee: Sulzer Chemtech AG
    Inventors: Nikolaus Brugner, Alfons Gleich
  • Patent number: 7040393
    Abstract: The invention is directed to pressure lines for use with equipment associated with drilling and production risers, and in particular, pressure lines having breechblock connections with the equipment and with choke and kill lines for use in connection with different sized blowout preventer stacks (“BOP stacks”). The pressure line systems and choke and kill line systems of the invention include a breechblock connection for quick and easy removal and installation of the pressure lines to riser equipment and the choke and kill lines to BOP stacks. Additionally, the choke and kill lines of the invention may include a coupling system having a BOP connector, or plate assembly, for permitting one set of choke and kill lines to be used on various sized BOP stacks. The plate assembly is in fluid communication with a first choke or kill line connector.
    Type: Grant
    Filed: June 23, 2003
    Date of Patent: May 9, 2006
    Assignee: Control Flow Inc.
    Inventors: James M. Adams, Jason P. Curtiss, III
  • Patent number: 7017952
    Abstract: The present invention relates to a fluid connector, comprising a shaft having at least one solid shaft element and a plurality of connector surfaces, wherein the plurality of connector surfaces includes a surface with a plurality of threads and a plurality of grooves.
    Type: Grant
    Filed: June 21, 2002
    Date of Patent: March 28, 2006
    Assignee: MacLean-Fogg Company
    Inventors: Robert Brewer, Gerard Jakuszeski
  • Patent number: 6994382
    Abstract: A retaining feature is provided for connecting a plastic tube to a corrugated acoustic duct. The retaining feature accommodates variations in the undulations and thread pattern of the corrugated duct, while at the same time minimizing the materials, specialized equipment or tools, labor and cost of making a successful connection. The retaining feature includes at least one barb extending circumferentially around the exterior surface of the plastic tube. Each barb is sized and structured to engage an undulation of the corrugated duct.
    Type: Grant
    Filed: July 1, 2004
    Date of Patent: February 7, 2006
    Assignee: Visteon Global Technologies, Inc.
    Inventors: Charles Bryan Peterson, Stephen Joseph Hamby, Milap Kanu Shah
  • Patent number: 6981723
    Abstract: A threaded attachment provides means of applying external threads to elongated members, such as tubes, rods, cables, and the like. The threaded attachment can be expanded to install around an elongated member. When the threaded attachment is compressed or closed around the elongated member, an adhesive liner on the inside surface of the threaded attachment bonds the threaded attachment concentrically to the elongated member.
    Type: Grant
    Filed: April 9, 2004
    Date of Patent: January 3, 2006
    Inventor: Timothy Landvik
  • Patent number: 6860525
    Abstract: A riser assembly includes riser segments, each having threaded ends. A coupling nut is connected to the threaded end of the first riser segment. The threads of a second riser segment and a set of corresponding threads of the coupling nut are breech threads, which allow the second riser segment to stab into the coupling nut and engage the first riser segment. The coupling nut rotates a portion of a turn in order for the breech threads of the second riser segment and the first riser segment to engage each other. Castellations on the first and second riser segments engage each other to transmit torsional forces from one riser segment to the other instead of through the threads.
    Type: Grant
    Filed: April 17, 2003
    Date of Patent: March 1, 2005
    Assignee: DTC International, Inc.
    Inventor: William C. Parks
  • Publication number: 20040232374
    Abstract: A spout for a flexible bag adapted to hold a liquid, the spout adapted for coupling with a connector having a rotatable spout adapter with an internal thread. The spout has a substantially cylindrical body with an outer surface, a spout opening, and a spout axis. The spout further has at least one flexible tab attached to and protruding radially distal from the outer surface of the cylindrical body of the spout. The tab has a top side that is substantially perpendicular to the spout axis, a bottom side opposing the top side, and a leading edge for engaging the thread. Additionally, the spout, has an undeformed tab length that typically deforms upon engaging the internal thread of the spout adapter.
    Type: Application
    Filed: March 8, 2004
    Publication date: November 25, 2004
    Inventors: Christopher C. Rutter, Lamar Spalding
  • Publication number: 20040207202
    Abstract: A riser assembly includes riser segments, each having threaded ends. A coupling nut is connected to the threaded end of the first riser segment. The threads of a second riser segment and a set of corresponding threads of the coupling nut are breech threads, which allow the second riser segment to stab into the coupling nut and engage the first riser segment. The coupling nut rotates a portion of a turn in order for the breech threads of the second riser segment and the first riser segment to engage each other. Castellations on the first and second riser segments engage each other to transmit torsional forces from one riser segment to the other instead of through the threads.
    Type: Application
    Filed: April 17, 2003
    Publication date: October 21, 2004
    Inventor: William C. Parks
  • Patent number: 6764110
    Abstract: This invention is a method and apparatus for making a pressure-containing threaded tubular connection, suitable for remotely operated connection and separation, utilizing electrical heating to reduce the amount of makeup torque required to produce reliable preloading of the connection. One aspect of the present invention comprises: 1) a first hub with male threads on its exterior and having a sealing face and axial flow passage, b) a second hub having an axial flow passage and carrying an annular seal which can be mated with the sealing face of the first hub and mounting a rotatable nut having female threads on its interior and integral nut heating means. After stabbing and initial make-up of the connection, the nut is heated and thereby expanded in a controlled manner and the connection retightened. Following cooling, the structural connection is fully preloaded and the annular seal fully compressed so that it seals. Reversing the procedure permits disconnection.
    Type: Grant
    Filed: April 26, 2002
    Date of Patent: July 20, 2004
    Inventor: Larry R. Russell
  • Patent number: 6719331
    Abstract: A telescopic tube with water supply is equipped with a minor tube, a major tube that are connected to each other by a tubular coupling device which has a registration end and a connecting section, the former is engaged with one end of the minor tube and the latter is engaged with the top end of the major tube. A guard cap is secured to the top end of the major tube which serves to prevent the minor tube from easy disengagement from the major tube in case of excessive extension adjustment. The connecting section of the tubular coupling device has a cone shaped configuration with a spiral thread track defined thereon and terminates in a stop board.
    Type: Grant
    Filed: January 30, 2003
    Date of Patent: April 13, 2004
    Inventor: Ming Jen Chen
  • Patent number: 6543816
    Abstract: A threaded pipe connector which may find application in the petroleum and gas industry, and pipe connections formed with the connector. The connector includes a male element disposed at the end of a first pipe and a female element disposed at the end of a second pipe. The male element is provided with an external tapered male threading and the female element is provided with an internal tapered female threading corresponding to the male threading. A central seal, formed by a male bearing surface and a female bearing surface and bearing against each other and disposed in a central zone of the male and female threading respectively where the threadings have been interrupted, seals the connector when the connector is assembled. The connector and the connected pipes formed from this connector provide a tight seal under high external pressures.
    Type: Grant
    Filed: June 20, 2001
    Date of Patent: April 8, 2003
    Assignee: Vallourec Mannesmann Oil & Gas France
    Inventor: Thierry Noel
  • Publication number: 20020079704
    Abstract: A spout for a flexible bag adapted to hold a liquid, the spout adapted for coupling with a connector having a rotatable spout adapter with an internal thread. The spout has a substantially cylindrical body with an outer surface, a spout opening, and a spout axis. The spout further has at least one flexible tab attached to and protruding radially distal from the outer surface of the cylindrical body of the spout. The tab has a top side that is substantially perpendicular to the spout axis, a bottom side opposing the top side, and a leading edge for engaging the thread. Additionally, the spout, has an undeformed tab length that typically deforms upon engaging the internal thread of the spout adapter.
    Type: Application
    Filed: February 26, 2002
    Publication date: June 27, 2002
    Inventors: Christopher C. Rutter, Lamar Spalding
  • Patent number: 6283511
    Abstract: A pipe coupling has coupling members provided with a pin and a box. The outer surface of the pin is provided with axially extending columns of teeth, separated by free slots, and the inner surface of the box is provided with axially extending columns of counter teeth, also separated by free slots. To connect the coupling, the pin is axially inserted into the box and rotated over a fraction of a full turn to make the engagement surfaces of the teeth engage with the corresponding engagement surfaces of the counter teeth, thereby creating an axial pre-tension between the pin and the box. The design of the teeth is differentiated over the length of the pin and the box to be adapted to differences in loads during make-up and in use and the coupling is protected against release and overturning.
    Type: Grant
    Filed: August 24, 1998
    Date of Patent: September 4, 2001
    Assignee: Well Engineering Partners, B.V.
    Inventor: Gerrit Pieter Kamp
  • Patent number: 6168213
    Abstract: A connector having a stinger and a receiver. The receiver is cocked by applying counter-acting torques to separate sections of the receiver. The counteracting torques compress a spring member. In the cocked position, the stinger is inserted into the receiver. When the counter-acting torques are released, the spring decompresses and locks the stinger in the receiver.
    Type: Grant
    Filed: June 27, 1997
    Date of Patent: January 2, 2001
    Assignee: Schlumberger Technology Corporation
    Inventor: Laurent E. Muller
  • Patent number: 6123364
    Abstract: A pipe joint provided with a joint main body having a tapered female screw portion on an opening end, and a cylindrical retainer having a male screw portion screwed into the female screw portion and plural small-disc continuous bodies each of which is composed of two or three small discs for pipe fixation embedded in the male screw portion along with the thread as a part of the small disc protrudes from a peripheral side and another part of the small disc protrudes from an inner peripheral face.
    Type: Grant
    Filed: December 15, 1999
    Date of Patent: September 26, 2000
    Assignees: Higashio Mech Co., Ltd., Hiroshi Inoue
    Inventors: Hiroshi Inoue, Hiroji Sakatani
  • Patent number: 6102442
    Abstract: The present invention describes an improved connector for attaching flexible metallic and non-metallic conduit to electrical panel or junction boxes. The improved connector comprises a two pieces. The first piece comprises a metallic cylindrical inner body section, having an integral collar extending from the metallic cylindrical inner body section. The outer circumference of the inner body section has threads at one end thereof for grabbing the interior surface of the flexible conduit and pulling it toward the collar, while the other end of the metallic cylindrical inner body is equipped with external threads for engagement with an electrical panel or junction box. The second piece comprises a non-metallic resilient seat member or ferrule friction fit onto the conduit engaging end of the metallic cylindrical inner body that is engaged by the conduit end as the conduit is threaded onto the cylindrical inner body.
    Type: Grant
    Filed: June 10, 1999
    Date of Patent: August 15, 2000
    Assignee: Arlington Industries, Inc.
    Inventor: Thomas J. Gretz
  • Patent number: 6017066
    Abstract: Threaded connection device for pipes including a cylindrical sleeve having, at both its ends, fasteners for the connection with a flexible pipe, two internally threaded rings each one screwing on one end of the sleeve. These said rings have a circular rim for the seaming and the compression of the pipe around the sleeve fasteners. The sleeve, in connection with the ring thread, has a thread part having a pitch multiple as to the thread pitch of the ring itself.
    Type: Grant
    Filed: May 14, 1998
    Date of Patent: January 25, 2000
    Assignee: Irritec S.r.l.
    Inventor: Carmelo Giuffre'
  • Patent number: 5938081
    Abstract: A closure comprising a cap and container where the cap is integrally formed with a trigger sprayer housing and the cap and container have four thread connectors that attach the cap to the container by a quarter turn of the cap relative to the container, and where the cap also has locking tabs that snap over detents on the container and hold the cap securely to the container preventing unintended separation of the cap from the container.
    Type: Grant
    Filed: August 7, 1997
    Date of Patent: August 17, 1999
    Assignee: Continental Sprayers International, Inc.
    Inventors: Donald D. Foster, Philip L. Nelson
  • Patent number: 5875976
    Abstract: The present invention is directed toward a locking mechanism for aiding in the prevention of accidental or unintentional disengagement of the nozzle assembly from a needleless injection device. In one embodiment of the locking mechanism, a stud positioned on the nozzle assembly engages a recess in the injector to help to deter the nozzle assembly from rotating during firing of the injector. In another embodiment of the locking mechanism, a nib on the nozzle assembly engages a recess in the injector to deter the nozzle assembly from rotating during firing of the injector. A retaining element may be utilized within the injector to provide the recesses for engagement with the locking mechanisms.
    Type: Grant
    Filed: December 24, 1996
    Date of Patent: March 2, 1999
    Assignee: Medi-Ject Corporation
    Inventors: Sheldon Nelson, David Schiff, Walter Stoeckmann
  • Patent number: 5631563
    Abstract: A sensor protection system for use with an MWD tool includes a tubular body having lesser and greater diameter portions, antennas mounted in grooves in the lesser diameter portion, shield sleeves covering the antennas and being locked in place against longitudinal and rotational movement, and a wear band on the greater diameter portion to provide a standoff for the shield sleeve, the wear band also being locked against movement in the longitudinal and rotational directions. The locking mechanism also can be used to fix a sleeve-type stabilizer on the tubular body.
    Type: Grant
    Filed: December 20, 1994
    Date of Patent: May 20, 1997
    Assignee: Schlumbreger Technology Corporation
    Inventor: Keith A. Moriarty
  • Patent number: 5403043
    Abstract: A pipe coupling having mating pin and socket elements, each having pitched interlocking fins. The two elements are mated by slidingly engaging the two elements and then rotating them. An O-ring may be added to one or the other of the elements to create a more leak-tight seal between the two elements. Additionally, the pin and socket elements may each have saw tooth shaped teeth which interact as a locking means for the pipe coupling.
    Type: Grant
    Filed: December 20, 1993
    Date of Patent: April 4, 1995
    Inventor: Marc J. Smet
  • Patent number: 5385372
    Abstract: A female luer connector comprises a tube having an open, outer end in a luer-tapered bore communicating with the outer end. The tube carries a side arm that from a positioned spaced longitudinally from the open, outer end, with the side arm extending both radially outwardly from the tube and in generally longitudinal relationship with the axis of the bore toward the open, outer end, to define a space between the tube and the side arm for receiving an outer, threaded sleeve of a male luer lock connector. A cap is connected to the side arm through a plastic hinge in a position permitting the cap to pivot between a closed position in which the cap closes the open, outer end, and an open position in which the cap is spaced from the open, outer end. The side arm defines an effectively rigid, fixed configuration to position the hinge and cap to naturally and spontaneously permit pivoting to the closed position to the open position, typically upon pressing with a single finger.
    Type: Grant
    Filed: January 8, 1993
    Date of Patent: January 31, 1995
    Inventor: David S. Utterberg
  • Patent number: 5242199
    Abstract: A threaded connection for tubing joints having a threaded part and a matching part fixedly connected with the tube, which embraces the tube externally and rests with an inner surface having grooves at the outer surface of the tube, wherein the fixed connection between the matching part and the tube is produced by rolling material of the tube into the grooves, the matching part 2 having at least one groove 7, 8 which is conducted in a threaded shape manner, so as to prevent failure of the tubing joint by crack formation.
    Type: Grant
    Filed: January 29, 1991
    Date of Patent: September 7, 1993
    Assignee: Deutsche Airbus GmbH
    Inventors: Volker Hann, Siegfried Kramer