Abstract: A composite pipe is proposed which is comprised of an aluminum pipe and a lead pipe formed in the aluminum pipe in direct contact with the inner wall of the aluminum pipe. The composite pipe is produced by supplying a lead pipe to a continuous aluminum extrusion machine which can extrude while enveloping a long object, to form an aluminum pipe on the outer periphery of the lead pipe. A heat pipe using the composite pipe is also proposed.

Abstract: A flexible hose suitable for transporting crude oil has a fluid sealing layer of flexible polymeric material disposed between radially inner and radially outer support layers which resist any tendency for the polymeric material to expand.The inner support layer is formed by at least one helically wound element the successive turns of which are interlocked and define in the outer surface of the inner support layer a helically extending crevice, and the surrounding polymeric material is arranged to substantially wholly fill said crevice.

Abstract: A vapor vent valve (16) comprises a housing (28) the interior of which is divided into two fluid chambers (32, 34) by a movable wall (30). The first chamber (32) provides a closable junction in the vapor recovery passageway (18, 20) between a liquid fuel tank (10) and a vapor storage canister (22). The second chamber (34) has a combined inlet/outlet (38) which is interconnected with a signal pressure region (44) in the fuel tank fill tube (12) adjacent to the fill tube cap (14). A valve plug (36) is fixed to the movable wall (30) so that when the pressure in the first fluid chamber (32), the signal pressure region (44 ) and the second fluid chamber (32) are substantially equivalent, the valve plug (36) is positioned to close the vapor recovery passageway (18, 20).

Abstract: An improved ball inflation apparatus is provided wherein inflation pressure is injected through a coaxial needle where sensed pressure is also passed to a dual diaphragm pressure sensing device which generates a control signal to terminate the inflation pressure flow at the proper inflation level.

Abstract: A safety funnel to prevent overfilling of a container being filled. The safety funnel comprises a funnel having a float supported in the funnel spout adapted to close a valve in the funnel spout when the container fill level is reached. A ring magnet is connected to the spout to attract a metallic member attached to the float and guide rod assembly into a valve seating engagement and maintain this relationship when the container is filled. The guide rod is guided within plate-like strainers and has an upper portion extending into the funnel above the spout which may be operated to open the valve to drain excess fluid in the funnel. The entire assemblage is constructed within the spout in protected relation.

Abstract: An apparatus for handling substances which are rendered fluid by heating, such as wax, the apparatus including a body defining a chamber having opposite walls and a filter therebetween separating the chamber into a liquid chamber and an air chamber, openings for introducing air into and withdrawing air from the air chamber, openings for drawing liquid into and ejecting liquid from the liquid chamber in response to the respective withdrawal and introduction of air into the air chamber, a resistor in the liquid chamber for maintaining substances therein liquid, the resistor being housed in a tube extending between the walls and through the filter having at least one bore for placing the tube in fluid communication with the liquid chamber, a hand piece, a duct in the hand piece, and a part of the resistor and a short tubular element maintaining the body and hand piece in coupled but readily decoupled relationship.

Abstract: Apparatus to fill any lined semibulk bag-like container, and through mechanical functions, to remove any twists or creases which could hamper the loading or unloading process. During filling, the apparatus will automatically separate the liner from the bag, except for the bottom section which is tied. The liner is then inflated to remove any twists after which product flow is activated at a trickle rate. After an automatically sensor-controlled amount of product has flowed into the inner liner at the trickle rate, the liner is lowered to full load position and the product flow is automatically activated to full flow at a greater rate. When a second set point is reached, the trickle rate is automatically activated again to top off the container to the predetermined amount of product, after which the unit turns off for container removal.

Abstract: This invention relates to the art of high speed bottle filling machines and particularly to the use of a one-piece liquid filler tube that is inserted down through the neck of a bottle and is adapted to be joined to a tank of the bottle filling machine. The filler tube has an outer tube with an open upper end furnished with an external mounting that is joined to a tank of the bottle filling machine as well as capable of temporarily sealing the mouth of the bottle during the filling. The lower end of the outer tube has a conical tip with a series of large radially spaced discharge holes, and a second series of large radially spaced discharge holes formed in the outer tube adjacent the first series. A coarse mesh screen covers each discharge hole.

Abstract: An end cap particularly adapted for capping an arch conduit is provided. The end cap is comprised of an arch body including opposed arcuate side walls integrally joined together at an apex area. Opposed arcuate end walls are integrally joined at the terminal ends of the side walls and the apex area. A plurality of protruding ribs are disposed circumferentially of the end cap and are interrupted at the apex area to provide a relatively smooth, non-ribbed area. The ribs taper towards the apex area and towards rounded base areas of the side walls.

Abstract: A tubular housing made up of a pair of sections forms a tubular inner compartment of a cross dimension larger than the outer diameter of a pipe in which water is to be frozen. The housing has opposite flanges arranged to be abutted together and bolt fasteners are provided in the flanges for releasably securing the housing sections together for installing and removing them laterally on a pipe. The end walls of the housing have openings arranged to fit around the pipe on which the housing is mounted and such openings have seals to provide a sealed engagement with the pipe. An inlet for freezing material extends into one side of the housing adjacent one end of the latter and an outlet for gas from the freezing material extends from the housing on the same side as the inlet and adjacent the other end of the housing. The two housing sections are symmetrically constructed whereby the inlet will be in one of the sections and the outlet will be in the other section.

Abstract: A fluid flow restrictor for spanning a passage of a body to minimize noise and cavitation in a high pressure fluid flowing through the passage and undergoing a substantial pressure drop in passing through the restrictor. The device comprises at least one tier of fixed perforated tubelets defining a myriad of tortuous flow paths with restricted orifices and expansion areas to dissipate energy in the fluid. The fluid flow through or between individual tubelets may be further subdivided into restriction orifices and expansion areas by additional fixedly held solid elements, e.g., BB shot tightly packed within the tubelets. The preferred inventive embodiment described is a sound suppressing, high pressure reducing poppet valve having several tiers, isolated from one another, of annular clamped arrays of parallel perforated tubelets.

Abstract: A pipe thread protector apparatus which includes an annular elastomeric sleeve dimensioned to surround a pipe thread to be protected, a radially inwardly projecting stop flange at one end of the sleeve and a constriction subassembly for constricting the sleeve into gripping contact with the protected thread. The constriction subassembly includes a flexible band imbedded in the sleeve, and a device for shortening the length of the band to constrict the elastomeric sleeve.

Abstract: An apparatus for plugging a pipe including an inflatable bag which is insertable into the pipe in a collapsed condition and which is inflatable therein to block the flow within the pipe. The bag is secured to a hollow tube having air outlet openings therein with the openings being positioned within the bag. A tubular member connects an air inlet opening of the hollow tube to an air compressor for transmitting compressed air through the hollow tube to thereby inflate the bag in order to plug the pipe. Preferably, an air valve is coupled between the air inlet opening of the hollow tube and the tubular member for controlling the flow of air into and out of the bag.

Abstract: A flexible cable suitably used as a jacket or cover for an inner conduit member such as a gas conduit or a liquid conduit, a signal transmission line, or an energy transmission line, or the like, which can provide safe use of the conduit inserted thereinto by limiting the bending radius thereof. The cable includes a plurality of axially symmetrical pipe members having large and small diameter ends which are assembled with the small ends of each pipe member fitted into the large end of an adjacent pipe member and loosely fitting flexible ring members fitted over the small ends of the pipe members.

Abstract: Pipe adapted to be installed underwater at increased ocean depths by practical pipe-laying procedures comprises a porous cement shell filled with hollow spheres that are slowly permeable to water under pressure. The cement shell is filled with a sufficient volume of the hollow spheres to make the pipe only slightly heavier than sea water, providing a reduced weight that overcomes previous difficulties in laying pipe at great depths. Over a period of time after the pipe has been installed underwater, the hollow spheres gradually fill with water and make the pipe rest stably on the ocean bottom. The preferred spheres comprise porous core spheres coated with thin coatings that partially seal the spheres to the needed degree of permeability.

Abstract: A threaded insert plug for at least temporarily closing an opening in an internally threaded member. The plug member comprises a right circular cylinder closed at the lower end thereof. The closing surface includes an upstanding central portion proportioned to permit the application of a wrench and may include a screwdriver slot on an upper surface. The interior of the cylinder includes critically positioned projections and/or depressions which permits use of a lever having an end positioned against the projection or depression and a mid-portion against at least part of the upstanding central portion to permit the production of a turning torque. The surface irregularities may be configured and positioned to permit engagement with a suitable wrench. The walls of the plug may have generally uniform thickness thereby providing an economical and minimum weight plug. The upper surface of the upstanding central portion rises no further than the plane including the upper limit of the plug member.

Abstract: A filament wound structural vessel includes a cylindrical wall formed of a cured thermosetting resin reinforced by fibrous material. An opening in the wall is reinforced by a series of reinforcement bands formed by filament windings that encircle the wall and run adjacent the opening.

Abstract: Disclosed is a welded side-seamed can formed by welding a can blank comprising a steel plate substrate having, formed thereon, a coating layer consisting of a metallic chromium layer and a chromium oxide layer formed on the metallic chromium layer, wherein the so-formed side seam has an exposed steel plate layer consisting of a compact and dense steel oxide formed mainly of magnetite, which has a thickness of 50 to 800 A, especially 50 to 400 A, and a coating of a resin or resinous composition consisting of carbonyl, hydroxyl, ether and epoxy groups at a concentration of 10 to 2000 millimoles per 100 g of the resin is formed on at least one surface portion of said side seam through said steel oxide layer.

Abstract: An anti-hammer device for use in a two-line liquid-mixing system, where liquids from the two lines are pulse-blended and merged into a single output stream. The device includes a housing divided by a flexible diaphragm into two liquid-receiving plenums, each of which communicates with a different one of the two lines.

Abstract: A hose of improved impulse life is described including an inner polymeric tube which has a relatively hard outer surface, a tightly packed wire reinforcement e.g., braid or spiral, telescoped over the tube, and an expanded polymeric cushion matrix encapsulating at least a portion of the strands of the reinforcement and also promoting wire-to-wire and tube-to-wire adhesion. A method for producing the hose employing a foamable material applicator is also disclosed.