Abstract: Storage means receives a particulate material and conduit means are provided for receiving an inert pressurized fluid medium. The conduit means is connected with a conduit such as a pipeline to be cleaned and includes by-pass conduit means for communicating a portion of the inert pressurized fluid medium into the storage means to maintain the particulate material under predetermined pressure. Branch conduit means connected to the conduit means communicates with the storage means for receiving particulate material therefrom and discharging it along with the inert pressurized fluid medium from the inert pressurized fluid medium conduit into the pipeline to be cleaned. Moveable barrier means are mounted in the pipeline against which the inert pressurized fluid medium and the particulate material is propelled. The barrier means includes a deflector for impinging such particulate material against the interior of the conduit thereof.

Abstract: An air starter includes a housing having a rotatable shaft extending longitudinally thereof. A gear is connected in a longitudinally extending helical groove on the shaft so that when the gear is moved along the shaft it engages an engine flywheel whereby the flywheel may be rotated by an air motor connected to the shaft. Piston means surround the shaft and sealably and slidably engage within a cylinder formed in the housing and the housing is provided with inlet and exhaust air passages for conducting air to the cylinder and discharging air therefrom. First spring means abut the piston means and the housing to urge the piston means to a first position in the housing. Annular means extend into the helical groove on the shaft and is arranged to rotate with the gear, therebeing second spring means between the gear and said annular means to retain said annular means disengaged from the gear when the piston means is in the first position.

Abstract: An earth auger arrangement wherein a power source is mounted on wheels for moving the power source over the earth's surface with means connected to the power source for relaying power to a transmission with which an auger is connected. Handle means are connected to the transmission for manually positioning the auger in relation to the earth's surface to penetrate it at a desired angle with throttle means on the handle means to control the power source. Shaft means are pivotally connected to and extend between the power source and the handle means to reduce counter rotation or counter torque from being exerted on the operator when the auger is rotated to penetrate the earth.

Abstract: A double acting jar includes inner and outer telescopically arranged tubular parts movable longitudinally, but nonrotatable relative to each other. Cooperating means on the inner and outer telescopically arranged tubular parts deliver an upward jar to a stuck drill string upon relative longitudinal movement of the inner and outer telescopically arranged tubular parts in one direction and deliver a downward jar to a stuck drill string upon relative longitudinal movement of the inner and outer telescopically arranged tubular parts in the other direction. The cooperating means is constructed and arranged to be disengaged and maintained in an inoperative relationship when the drill string is in tension and compression during rotary drilling operations. When the jar is effected by a hydraulic jarring arrangement, fluid meter means incorporates a temperature responsive, compensating means to maintain substantially uniform flow rates through the metering means at varying temperature conditions.

Abstract: A tubular member is provided with seals thereon for sealing in a liner receptacle supported in a well string in a well bore. Expandable seal means are provided on the tubular member with actuating means for expanding the expandable members into engagement with the well string above the receptacle, and releasable retaining means engage the actuating means with the tubular member to retain the actuating means in a non activated position until the releasable retaining means are actuated. Additional means secure the actuating means on the tubular member to inhibit premature release of the releasable retaining means as the seal nipple packer is lowered through the well string to be positioned in the receptacle. Slip segments are releasably connected to an expander cone, with both being mounted on the tubular member in longitudinal spaced relation to the actuating means at the other end of the expandable seal means.

Abstract: A pipe lay down machine which incorporates a main cable adapted to be rigged from the rig floor to a winch overlying a pipe rack where the winch is bidirectionally operable to slack the main line. Wheeled carriages travel up and down the main line. The carriages support releasable pipe connective mechanisms which have a flexible cable extending around the pipe connected to a quick release mechanism. The quick release mechanism includes a transverse bar having protruding ears or tabs which interlock with a rolled lip, thereby anchoring the lever and the end of the cable. Pipe is picked up or laid down by placing slack in the main cable. The carriages traverse the main cable by means of separate winches which apply power to auxiliary lines rigged from winches which are bidirectionally operable to the carriages.Alternative quick release mechanisms are disclosed. In one form, a cable is looped about the pipe and beneath a spring load pin. The pin is pushed to close and cable tension holds it closed.

Abstract: A gate valve includes a body with a flow passage therethrough and spaced annular seating members in the body surrounding the flow passage with seal means between the seating members and the body. A gate member is positioned between the seat members and has a surface to intersect and close off the flow passage through the body and has an opening for alignment with the flow passage through the body for flow therethrough. The annular seating members include an annular surface for abutting the gate with an annular teflon seal means in the surface and an annular groove also therein with sealant passage means for communicating with sealant passage means in the body for directing sealant to the groove means. Spaced projecting vertical guide surfaces are provided on the annular seating members for abutting the edges of the gate member to retain it aligned in the body. A stem is threadedly secured with a cylindrical member rotatably carried by the gate member whereby rotation of the stem raises and lowers the gate.

Abstract: An artificial ski surface construction includes a support surface having an energy absorbing base of elastomer thereon. A flexible sheath covers the energy absorbing base and includes a continuous surface having a fabric underside to contact the sheath with fibers extending upwardly therefrom to provide an artificial ski surface. A structure positions the support surface to form a slope and the continuous surface forms an endless belt which is mounted on rollers with motor means to rotate the rollers and move the continuous surface relative to the sheath and elastomer base.

Abstract: Storage means receives a particulate material and conduit means are provided for receiving an inert pressurized fluid medium. The conduit means is connected with a conduit such as a pipeline to be cleaned and includes by-pass conduit means for communicating a portion of the inert pressurized fluid medium into the storage means to maintain the particulate material under predetermined pressure. Branch conduit means connected to the conduit means communicates with the storage means for receiving particulate material therefrom and discharging it along with the inert pressurized fluid medium from the inert pressurized fluid medium conduit into the pipeline to be cleaned. Moveable barrier means are mounted in the pipeline against which the inert pressurized fluid medium and the particulate material is propelled. The barrier means includes a deflector for impinging such particulate material against the interior of the conduit thereof.

Abstract: A sling for holding an object includes a support member with a rotatable member carried by and rotatable relative to the support member. The rotatable member has first and second ends which extend laterally from the support member with a flexible support for looping about the object to be held having one end secured to the first end of the rotatable member and a second end for releasably engaging with the second end of the rotatable member. The second end of the rotatable member is configured to retain the second end of the flexible support engaged therewith when the rotatable member is in one position while the flexible support holds the object and to release the second end of the flexible support when the rotatable member is rotated to a second position.

Abstract: An arrangement for actuating welding guns to weld weldment components in a predetermined welding pattern wherein the weldment components are movable relative to the welding guns. Movable means are movable in synchronism at a predetermined reduced speed in relation to the speed of the movable weldment components with means on the movable means corresponding with the desired welding pattern to be formed on the weldment components. Scanner means are electrically connected to the welding guns and are responsive to the indicating means to sequentially activate and deactivate the welding guns to weld the weldment components and form the predetermined welding patterns thereon. Limit switch means are electrically connected to the welding guns and means are provided on the movable means to actuate the limit switch means when the weldment components have completed their movement relative to welding guns to deactivate the welding guns.

Abstract: Support means have connected therewith a plurality of spaced members which guide and maintain reinforcing members in position as they are welded to a weldment component. Means are associated with the support means for simultaneously moving the spaced members longitudinally of the support means and additional means are provided with each of the spaced members for independently and selectively moving them longitudinally of the support means.

Abstract: A positioning tool for use in placing a valve or removing a valve selectively from a mandrel in a tubing string includes an elongated cylindrical body member with an elongated plunger telescopically and nonrotatably arranged therein. Spring means abuts spaced shoulder means on the body member and elongated plunger to tend to urge the plunger and body member into abutting relationship adjacent their upper ends. A guide key is pivotally mounted on the body member by a shear pin and projects outwardly of a slot in the body member so that it may be engaged with a shoulder of an orientation sleeve mounted in the tubing string to align the positioning tool relative to a desired mandrel for placing a valve therein or removing a valve therefrom.

Abstract: A support arrangement for feeding a continuous strand of welding rod includes shaft means with laterally extending means mounted in spaced relation to one end thereof with spindle means being mounted on the laterally extending means. The other end of the shaft means is received in a tubular housing which includes a lateral extension thereon with spindle means extending in opposed relation to the spindle means on the lateral extending means for receiving and supporting a spool thereon. Bearing means support the tubular housing and the shaft means to accommodate rotation of the shaft means and the spool supported thereon and cooperating friction brake means are mounted adjacent one end of the shaft means for restraining rotation of the shaft means in a desired manner.

Abstract: An arrangement for filtering fluid flow includes a T connection having a hollow body connected with two aligned hollow lateral extensions. A plate is secured within and intersects the lateral extensions and has an opening therein to accommodate flow through the lateral projections. A filter member including a hollow core is positioned adjacent the plate and surrounds the opening in the plate for filtering flow through the lateral extensions. The filter member extends from the extensions into the body and is closed off at one end by a flange secured to the body.

Abstract: An implement to remove levees and the like from the earth's surface includes a frame means with longitudinal and lateral members connected to form a frame having sides, a front and a rear end. A pair of ganged disc harrows is supported on the frame and depends therefrom. Each of said pair of said ganged disc harrows extends inwardly from a side of the frame and towards the rear end of the frame to form a generally V-shape with the apex of the V-shape being disposed adjacent the center longitudinal axis of the frame. Dozer blade means comprised of a pair of dozer blades. Each of the dozer blades extend from a side of the frame and inwardly towards the front end of the frame to form a generally V-shape with the apex of the V formed by the dozer blades being disposed adjacent but rearwardly of the apex of the V formed by the ganged disc harrows. The dozer blades cooperate with the ganged disc harrows to level the earth as the implement is moved thereover.

Abstract: A releasable, retrievable latch includes a mandrel having one end threaded externally and an internally threaded socket formed on the other end thereof. A body has one end with a configuration for engagement with a running tool and the other end of the body is provided with a longitudinal bore therein, the innermost end of which is threaded whereby the body may be threadedly engaged with the external threaded end of the mandrel. The bore adjacent the other end of the mandrel has a plurality of longitudinally extending circumferentially spaced slots to form a plurality of flexible longitudinally extending portions so that such portions will flex when engaged with an enlargement as the latch is moved into seated position in a receiving section of a side pocket mandrel. The threaded socket on the end of the mandrel engages with a member which is to be positioned in the receiving section of the side pocket mandrel.

Abstract: A mandrel for use in a well tubing in which the mandrel body has an open bore for alignment with the well tubing and an enlargement offset from the open bore with a side pocket therein for receiving a flow control device. A combination guard and guide has a body which forms part of the mandrel offset and is positioned above the side pocket to prevent access to the pocket except by a predetermined size member. A projection is provided between the combination guard and guide and the side pocket to assist in retaining a flow control device in position in the pocket. An orienting sleeve is mounted in the open bore of the mandrel above the pocket for aligning a flow control device to be positioned in the pocket, which orienting sleeve comprises a tubular body having a tapered lowered end and a first longitudinal slot angularly disposed relative to the mandrel offset in a predetermined relationship.

Abstract: A mandrel for use in the well tubing in which the mandrel has an open bore for alignment with the well tubing and a side pocket offset from the open bore for receiving flow control devices and an orienting sleeve in the open bore above the pocket for aligning a flow control device to be positioned in the pocket. The orienting sleeve includes an elongated hollow tubular body with a lower end which tapers upwardly and away from the offset pocket to form a guide surface and a first longitudinally extending slot extends from the highest portion of the tapered guide surface and terminates in spaced relation to the upper end of the sleeve. A second slot of relatively narrow width in relation to the first slot extends from the termination of the first slot to the upper end of the tubular body to form spaced aligned shoulders at the juncture of the first and second slot and a passage way for relieving or discharging trash and debris from the first slot into the well tubing.

Abstract: An apparatus for installing and removing flow valve in a well tubing having a plurality of valve receiving side pockets offset from the main bore of the tubing by providing an orientation sleeve with a first slot for directing a guide key of a valve handling apparatus in the sleeve and a second slot intersecting the first slot to assist in removal of debris from the first slot with spaced aligned shoulders in the sleeve at the intersection of the first and second slots for actuation of the valve handling apparatus. The valve handling apparatus includes a support body including an elongated cylindrical body member supporting a movable body comprising an elongated plunger telescopically and nonrotatably arranged in the support body.