Abstract: An assembly that includes first and second housing members, a gasket and a plurality of bolts that exert a clamp force to clamp the gasket between the first and second housing members. The gasket includes a plurality of tab members that engage the interior of one or both of the first and second housing members. The gasket tabs can resist a force exerted by a pressurized fluid within one or both of the first and second housing members. A gasket that is resistant to side loading due to a pressurized fluid is also provided.

Abstract: The invention concerns a fuel tank (1) of thermoplastic material, comprising functional installation fitments for air intake and venting, for fuel take-off or the like, which is distinguished in that at least one functional installation fitment is connected to the inside wall (3) of the container in material-bonded relationship in such a way that the functional installation fitment defines with the container wall a volume separated from the filling volume of the container in such a way that the inside wall (3) of the container serves directly as a boundary wall of said volume.

Abstract: The invention concerns a fuel tank (1) of thermoplastic material comprising at least one peripherally extending seam (3) in the form of a welded or squeeze seam, at least one filling opening, air intake and venting means and means for delivering and removing fuel in relation to an internal combustion engine of a motor vehicle, wherein the fuel tank has at least one lead-through means (5) for lines which are to be passed out of the tank. The fuel tank (1) according to the invention is distinguished in that the lead-through means (5) passes through the seam (3) of the tank and extends at an angle relative to the course of the seam (3).

Abstract: A manually guided implement having a tool driven by an internal combustion engine, which draws combustion air in via an air filter disposed on an air filter base. The air filter is secured to the implement via a releasable securement device that includes a first securement element, and a second securement element that cooperates with the first securement element. The securement elements can be released from one another, or connected to one another, by means of a rotational movement about an axis of rotation. To achieve easy handling of the air filter, the first securement element is fixedly connected to the air filter.

Abstract: An inspection chamber having a plastic sleeve, a plastic base accommodated in the sleeve and at least two branches connected to the sleeve, which base has a flow profile that extends between the two branches. The base is made up of at least two separate base parts that are permanently fixed to one another at their edges facing one another, such as by welding, fusing, gluing and the like.

Abstract: A container for cryogenic liquids comprises an inner container and an outer container which are positioned with respect to each other and are thermally decoupled from each other by a vacuum insulation layer. In order, with the lowest possible weight and lowest possible costs in series production, to achieve the best possible heat insulation, the inner container and the outer container are in each case composed of prepared fiber-reinforced elements which are in each case wrapped up together with a filament and are thereby connected to one another, and supports which are also composed of a fiber-reinforced plastic are provided on the inner container for the relative positioning of the inner container with respect to the outer container.

Abstract: The invention relates to a means for preventing build-up of electrostatic potential in a fluid container during filling and/or discharging. The fluid container comprises electrical insulating materials and a valve means through which filling and/or discharging occurs. Means for reducing and/or eliminating electrical and/or electrostatic potential build-up during filling or discharging of the container is arranged in conjunction with the container walls. Such means may for example be arranged in conjunction with the valve means, reducing and/or changing the flow velocity of the fluid and/or the flow direction of the fluid during the filling operation.

Abstract: The invention relates to a fuel container of plastics material with functional components arranged inside the container which are fastened to the container wall and at least some of which are connected to electric or hydraulic lines and/or are interconnected via such lines. The invention further relates to a method for maintenance of such a fuel container. The functional components are provided with fastening means for receiving a functionally identical functional component. In the event of maintenance, the fuel container is opened. An exchange component is fastened to the functional component to be serviced, the functional component to be serviced serving as a mounting for the exchange component. The lines connected to the functional component are plugged into the other functional component and the container is closed again while the component to be serviced remains in the fuel container.

Abstract: A chemical storage tank includes at least a main body and two sealing members combined together with each other. The main body is formed as a cylinder or other shapes, integrally made of acid-proof and alkali-proof plastic materials, with a storage space formed inside it for storing any chemical material or product, and with a circumferential wall having its upper and its lower end respectively formed with a connecting opening. The sealing members are integrally made of the same plastic material of the main body, respectively combined together with the upper and the lower connecting opening of the main body by plastic welding. Thus, the welding portions between the main body and the sealing members are located around the circumferential wall, able to prevent pressure in the tank from damaging the chemical storage tank to insure safety.

Abstract: A container assembly for controlling rate of oxygen transfer from the atmosphere into a liquid stored in the container assembly comprising, a fork-liftable pallet bin (1) with solid or erectable sides, a sealable, polyethylene container (2) which allows oxygen to enter at a rate between 5 milligrams mg/l/yr and 75 mg/l/yr, having a self-supporting shape that substantially conforms to the internal surface dimensions of the bin, and a closure (3) for the neck of the container with a recessed top face (5) and a protruding, sealable outlet (20) to allow filling to a level above the recessed top face.

Abstract: A method for manufacturing a plastic fuel tank including: a) inserting a plastic parison including two distinct parts into an open two-cavity mold; b) inserting a core, bearing at least part of a reinforcing element configured to create a link between the two parison parts, inside the parison; c) pressing the parison firmly against the mold cavities, for example by blowing through the core and/or creating suction behind the cavities; d) fixing the part of the reinforcing element to at least one of the parison parts using the core; e) withdrawing the core; f) closing the mold, bringing its two cavities together to grip the two parison parts around their periphery to weld them together; g) injecting a pressurized fluid into the mold and/or creating a vacuum behind the mold cavities to press the parison firmly against the mold cavities; and h) opening the mold and extracting the tank.

Abstract: A resin-made fuel tank structure of a vehicle is provided to suppress the formation of a notch in a mounting portion of an insert portion on a tank body. The fuel tank structure includes a tank body. The tank body includes a resin material having fuel permeation resistance. The fuel tank structure includes an insert portion separate from the tank body. The insert portion includes a resin material. The insert portion also includes a mounting portion to mount the insert portion on the tank body and a fuel fill opening. The insert portion is configured to be mounted to an outer layer of the tank body. The outer layer of the tank body is configured to be in close contact with an end portion of the mounting portion of the insert portion. The outer layer is configured to bulge more outward and upward than the mounting portion.

Abstract: The structure of a container having a barrier material layer, formed by blow molding, having a multilayer section structure including the barrier material layer and thermoplastic resin layers positioned inside and outside the barrier material layer, and fixed to a fixation object by bolt through a flange formed in a pinch-off portion, wherein in the flange a thin thickness portion is locally formed so that a multilayer section shape is compressed and a bolt fixing hole is drilled to insert the bolt in the thin thickness portion.

Abstract: In a tank B for water treatment, consisting of at least two plastic material tank parts 1, 2 produced by injection moulding or by injection moulding and embossing a separately produced separation wall T is mounted with the edge at the walls of the tank parts such that the mounting regions at least partly are watertight. The separation wall T extends in the tank B crosswise to the joining plane E. The tank parts have opening edge structures R which fit on each other and which are joined in the joining plane E in watertight fashion.

Abstract: A tank assembly suitable for use in the transport of liquids, the tank assembly including at least two tank sections which are adapted to be fitted together in an assembled position. Each tank section includes an end wall, the end walls being adjacent one another when the tank sections are in the assembled position. The end walls have cooperating formations thereon which are adapted to cooperate with one another so as to limit relative movement between the tank sections at least in one direction when in the assembled position.

Abstract: A fuel bladder apparatus includes a fuel bladder, tank, and cap. The fuel bladder includes an elastomeric envelope, fuel inlet, and fuel outlet. The elastomeric envelope has an upper section, lower section and side section. The fuel inlet is disposed at the upper section. The fuel outlet is disposed at the lower section. The tank includes a rigid housing, inlet port, outlet port, and air inlet. The inlet port is disposed in cooperative alignment with the fuel inlet. The fuel inlet is sealed to the inlet port. The outlet port is disposed in cooperative alignment with the fuel outlet. The cap is detachably secured to the inlet port. The cap detachably seals the fuel inlet.

Abstract: A molded plastic mixing station housing for mixing water and chemical for car wash applications comprises a generally right hexahedron having a deep top recess which visually divides the housing into parallel spaced apart towers. A cylindrical mixing reservoir is recessed into the front of the housing such that a Hyrominder can be mounted in the top recess to overlie the open top of the mixing reservoir. A stand-off welt wraps around the entire housing just below the vertical center line to provide a stand-off feature for both wall mounting as well as the mounting of a control panel on one of the side surfaces of the housing. Mounting bracket slots are provided in the four upper corners of the housing for both wall mounting and control panel mounting. A deep recess runs down the back side to provide space for an overflow tube. The housing is preferably rotocast from high density polyethylene and may be color coded to match with the supply for a particular chemical.

Abstract: A method of adjusting a capacity of a tank, including providing a mold assembly for the tank, the mold assembly configured to form the tank having a first full capacity, and installing an insert block in a cavity of the mold assembly, the mold assembly and insert block configured to form a tank having a second full capacity, the second full capacity being less than the first full capacity. A tank includes a tank main body, and an insert portion extending substantially vertically within the tank main body. A ratio between a substantially horizontal cross-sectional area of the insert portion, and a substantially horizontal cross-sectional area of an inside of the tank main body from which the cross-sectional area of the insert portion is removed, is substantially constant.

Abstract: A pressure vessel is disclosed which includes a lower metallic dome having a lower rim portion, and an upper metallic dome having an upper rim portion, a plastic liner disposed within the upper and lower metallic domes, a metallic band disposed between the plastic liner and the upper and lower metallic domes proximate the respective rim portions thereof, and an insulating material disposed between the metallic band and the plastic liner, the metallic band and insulating material protecting the plastic liner from elevated temperatures when the upper and lower rim portions of the metallic domes are welded together. A method of fabricating the pressure vessel and a connector for assembling the pressure vessel are also disclosed.

Abstract: A washing container for a dishwasher having several parts joined together, including a frame with walls, a base, and/or a cover attached thereto. The container can easily be adapted to varying predefined requirements according to the design of the dishwasher.

Abstract: A septic tank formed of a blow molded body having an interior and an exterior. The septic tank body is formed from one or more layers of plastic material that are chosen for their chemical, mechanical or other properties. The septic tank body includes a plurality of integral ribs to provide circumferential structurally rigidity and also includes compression molded flange portions to provide axial structural rigidity. Additionally, septic tank covers and riser systems are provided.

Abstract: A plastic container for the storage and transport of liquids, particularly aggressive liquids, comprising a practically rectangular bottom, a top wall with a filling or pouring hole, and standing walls which each connect to the circumferential seam of both the bottom and the top, and four standing edge strips each connecting two walls, which container is manufactured by the blow-molding process, wherein the standing wall portions have a convex form, wherein either the standing edge strips widen at the top and the bottom and, as seen in a cross-section running parallel to the bottom, the standing edge strips have a radius of curvature equal to or greater than that of the standing wall portions to which they are connected.

Abstract: A liquid container includes an outer wall constituting a casing, an inner wall constituting an inner bladder for accommodating liquid, with the inner bladder having an outer shape substantially equivalent to an inner shape of the outer wall, and the inner bladder having a flexibility and being separable from the casing, and a pinch-off portion where portions of the inner wall are welded to each other and are pinched by the outer wall to be supported by the outer wall. The inner wall includes a thicker portion having a larger thickness than another portion of the inner wall at both sides of the welded portion, and a cavity is provided between an outer surface of the thicker portion of the inner wall and an inner surface of a corresponding portion of the outer wall.

Abstract: A filtering device for filtering fluids includes a filter housing, a filter element and an attaching device for attaching the filter element to the housing. The filter element is attachable to the filter housing using a bayonet lock.

Abstract: A device for fixing a functional component within a fuel tank that makes use of an opening in the tank wall of the fuel tank. The device comprises at least one connecting element for receiving the functional component, with the connecting element being latched in an opening in the tank body wall, in a position of passing therethrough. The opening is sealingly closed at the outside of the tank by a closure member or a cover cap or a connection portion can be fitted to the opening for the connection thereto of a device intended to communicate with the tank interior.

Abstract: The present invention provides a laminate for automobile parts having a layer A made from a polyamide resin composition containing 70-99 wt % of (a) a specific polyamide polymer, and 1-30 wt % of (b-1) an ethylene copolymer containing an epoxy group and/or (b-2) an ethylene copolymer modified by an acid anhydride, and a layer B made from a resin composition containing (c-1) a polyethylene resin modified by an acid anhydride and/or (c-2) a polyethylene resin containing an epoxy group, wherein the layer A and the layer B are heat-sealed, except when (1) the layer A contains (b-1) alone as the ethylene copolymer and the layer B contains (c-2) alone as the polyethylene resin; and when (2) the layer A contains (b-2) alone as the ethylene copolymer and the layer B contains (c-1) alone as the polyethylene resin. The laminate of the present invention is superior in strength, stiffness and gasoline barrier property that the automobile parts are required to have.

Abstract: A fuel container formed by bonding upper and lower sections, for which both the upper and lower sections are made by thermo-forming a multi-layer sheet that comprises an interlayer of a barrier resin (A) and inner and outer layers of a polyolefin (B), and of which the surface of the innermost layer is coated with a layer of a barrier material (C).

Abstract: A polymeric fuel tank having a first body joined to a second body is constructed having a substantially continuously barrier layer surrounding the tank. The first body has an inner surface terminating at a free edge and a first mating surface adjacent the free edge. A first barrier layer is fixed adjacent the inner surface of the first body. The second body has an inner surface terminating at a free edge and has a second mating surface adjacent to the first mating surface and the free edge of the second body to define a fuel cavity. A second barrier layer is fixed adjacent the inner surface of the second body. At least one weld joint joins the first mating surface to the second mating surface and the first barrier layer to the second barrier layer to provide the continuous barrier layer in the fuel tank.

Abstract: A plastic fuel tank is formed by welding together an upper plastic shell (1) having an upper closing wall (8) and a lower plastic shell (2) forming a bottom (7). The two plastic shells (1, 2) are produced by the injection molding method. In order to adhere to an exact distance between the upper closing wall (8) and the bottom (7), spacers (9) coming into abutment during the welding operation are provided in the fuel tank.

Abstract: An internal reinforcement structure of a plastic fuel tank resists deformation of opposing walls of the fuel tank and provides an integral, and directionally sensitive, stress relief feature when pre-determined forces are exceeded. The stress relief feature is contained within a fuel chamber of the fuel tank defined by the opposing walls. Each wall has an inward projecting indentation of the structure which engage one-another at their distal ends or bottom portions, preferably, via a welded plastic engagement area. The indentations have a consistent wall thickness which has a higher cross-sectional area than the stress relief feature causing the stress relief feature to tear as opposed to the tank walls thereby assuring fuel tank integrity.

Abstract: The present invention is directed to a fluid tank for carrying hazardous materials such as a automobile gasoline tank which is non flammable and flame resistant. More specifically, the present invention is directed to a fluid tank_having an outer layer of a polyolefin containing a non halogen char forming additive to prevent flammability.

Abstract: A lid apparatus for a tank opening that retains fluid within the tank while allowing air to vent into or out of the tank. An air manifold is provided, preferably as part of an installation ring of the apparatus which is mounted to the tank around the tank opening. The air manifold has an outer radial wall and an inner radial wall spanned by an annular base surface. A plurality of angularly spaced openings in the outer radial wall are angularly offset from a plurality of openings in the inner radial wall to be out of angular alignment therewith, and the space above the annular base surface between the outer radial wall openings and the inner radial wall openings provides a plurality of air flow passageways. A cap of the apparatus has a cover portion and a depending mounting member adapted to insert within the installation ring and engage a cap mounting portion of that ring to detachably mount the cap to the installation ring.

Abstract: A welding structure for a fuel tank including a resin inner shell and a resin outer shell interposed by a fuel permeation prevention layer such that they are laminated, and a resin component attached to the fuel tank. The resin component includes a body formed from a resin having low permeability to hydrocarbon gases, a packing material having low permeability to hydrocarbon gases which is fixed to the body, and a resin which is insert molded to at least a connecting portion of the body that connects with a connecting portion of the fuel tank, and which can be welded to the fuel tank.

Abstract: Pressure vessel end dome reinforcements are placed upon resin-impregnated fiber-wound pressure vessels to improve the strength-to-weight ratio of high performance pressure vessels, such as those that are used as rocket motors, gas generators, and the like. The reinforcement structures are assembled from gore pieces to form gore bodies over dome regions of the pressure vessels.

Abstract: The invention concerns a fuel container of plastic material such as a motor vehicle fuel tank, having one or more welded seams as seam locations for the body of the container and/or as connecting or sealing seams between the container wall in the region of openings and closure elements or covers welded thereto. At least some of the welded seams are at least partially penetrated by a duct which extends in the longitudinal direction in the seam and which can be filled with air and vented.

Abstract: A fuel tank has a plurality of fuel system components therein and is formed by incorporating the fuel system components into the fuel tank as it is being formed. The fuel system components may be mounted on a carrier and then disposed with the carrier within a parison subsequently molded to form the fuel tank around the components and carrier. Desirably, all electrical, fuel and vapor lines may extend out of a single opening of the fuel tank to reduce openings in the formed fuel tank.

Abstract: An septic tank, and method for manufacturing the septic tank, is provided. The septic tank wall, preferably molded from a thermoplastic material, includes a plurality of ports formed with an opening. Opposing ports are dimensioned dissimilarly. Also included is a plurality of molded through tapered columns integrally engaged with the opposing ports.

Abstract: A plastic container for the storage and transport of liquids, particularly aggressive liquids, comprising a practically rectangular bottom (1), a top wall (2) with a filling or pouring hole (12), and standing walls (3,4) which each connect to the circumferential seam of both the bottom and the top, and four standing edge strips (5) each connecting two walls, which container is manufactured by the blow-moulding process, wherein the standing wall portions have a convex form, wherein either the standing edge strips widen at the top and the bottom such that the hounding line (8) between the top and bottom surfaces and the wall strip is wider than it is between the wall portion and these surfaces and the wall strip is wider than it is between the wall portion and these surfaces or, as seen in a cross-section running parallel to the bottom, the standing strip has a radius of curvature equal to or greater than that of the connecting wall portion, resulting in improved transfer of the vertical stacking forces.

Abstract: A vacuum waste tank for use in a vacuum drainage system. The tank has a vacuum intake for attachment to a vacuum source and a waste water intake for attachment to a vacuum pipe. The vacuum source creates a negative pressure in the tank and vacuum pipe so that liquid entering the pipe is pulled into the tank. The tank is made of a thermoplastic material having a flexural modulus sufficient to withstand an external pressure loading caused by the vacuum in the tank without buckling.

Abstract: A septic tank having internal supports. The internal supports may be lateral or vertical supports integrally molded to the septic tank. The internal supports provide structural support for the septic tank under various loading conditions. The supports will thus substantially prevent cracking of the septic tank, as well as deformation of the septic tank, manhole and other components thereof. A mold for manufacturing the septic tank is also provided.

Abstract: A substrate protected by a polymeric lining wherein passageways are provided between the lining and the substrate for channeling of fluids which may penetrate through the lining to the substrate surface. In one embodiment the lining is formed to provide for passages between the lining and the substrate. Mesh attached to the substrate provides for securement of the lining to the substrate by at least partial embedment of the mesh within the lining. Wire spacers are positioned between the mesh and the substrate to separate portions of the lining from the substrate surface and form passageways for channeling fluid which may penetrate the lining. In another embodiment a vessel includes a network of spacers forming a generally parallel array of passageways and at least one passageway transverse to the parallel array of passageways.

Abstract: In order to provide a simply-structured fuel filter which permits soaking at least part of a filter unit all the time in fuel in a reservoir, a reservoir unit is configured of a resin-built cylindrical reservoir having a bottom arranged on the bottom of a fuel tank, a primary filter installed near the inner bottom of that reservoir and a fuel pump sucking fuel in the reservoir through the primary filter, wherein projections protruding upward from the inner bottom of the reservoir are integrally molded and engaging holes to engage with those projections are bored in the circumference of the primary filter.

Abstract: A blow molded shipping container includes a hollow bottle of thermoplastic material defined by a continuous outer wall having a parting line formed during blow molding the bottle and a fill opening located on the parting line. An appurtenance of a material different from the thermoplastic material is integrally fused to the bottle during the blow molding of the bottle at a location of the bottle other than the parting line.

Abstract: A double-wall fuel container of plastic material is composed of at least two shell portions which are welded together. The half-shell portions are each in the form of double-wall blow moldings, with a gap being kept free at least in a region-wise manner between the walls of the blow moldings.

Abstract: In one aspect of the invention, a method for assembling a fuel delivery system is provided. The method includes providing a reservoir assembly having a reservoir unit. The method also includes thermoforming a first shell portion and a second shell portion of a fuel tank. The method further includes fixing the reservoir assembly to one of the first and second shell portions. The method also includes sealingly connecting the first and second shell portions to form a fuel tank to enclose the reservoir assembly within the fuel tank.

Abstract: A plastic transporting container for liquids, in particular high-purity liquids, has a submersion tube (1) which extends from a top wall (2) of the container to the container base (3) and is integrally formed in the transporting container. At its end which opens out in the top wall (2) of the container, the submersion tube is provided with a screw-connection device (6).

Abstract: A modular fluid storage tank, intended for underground storage of water, utilizing alternating circular and octagonal ribs in the main body and curved, ribbed, end caps. Interconnection of the tanks uses rigid pipe or semi-flexible hose. The coupling between the pipe and the tank incorporates a fitting, integrally molded into the tank, which extends into the interior of the tank, and a flexible sleeve which fits over, and is clamped to, the fitting and the pipe. The coupling is protected from the environment and is accessible from within the tank after installation for inspection and repair without the need to excavate the tank. The tank preferably has approximately equal length and diameter for improved strength. It is relatively small and lightweight, suitable for transport to and installation at a remote location without heavy equipment.

Abstract: A method of making a container assembly comprises the step of molding a container body over a portion of a plastic fixture. A plastic fixture is disposed in the mold. The mold has an inner surface defining an outer surface of a container. The fixture includes an opening and a portion having at least one ridge on a surface which is to be embedded in the body of the container. The fluid plastic material is disposed in the mold. The plastic material is then molded over the mold inner surface and the fixture surface thereby forming the container body. The plastic material contacts the ridge and melts or softens the ridge. The ridge is then deformed forming a locking engagement between the container body and the fixture. As the plastic material cools and hardens, the plastic container body partially engulfs the fixture to provide a secure seal between the fixture and container body.

Abstract: An air filter housing (12) includes twist and lock structure (42) having a first position (FIGS. 5, 7, 10) permitting axial movement (66) of a cover (34) and base (36) relative to each other, and being rotatable in a first rotational direction (44) from the first position to a second position (FIGS. 4, 6, 9, 12), and in the second position preventing axial movement of the base and cover relative to each other, and being rotatable in a second opposite rotational direction (64) from the second position to the first position. Anti-rotation lock structure (70, 110, 140) provides a rotational retention force holding the twist and lock structure in the second position. The anti-rotation lock structure includes an arm (74, 112, 142) flexibly bendable about a bend line extending parallel to the axis (14) of the housing.

Abstract: The molded component is formed by mixing or laminating a barrier resin (A) having a solubility parameter (calculated from the Fedors' equation) of more than 11 and a thermoplastic resin (B) having a solubility parameter (calculated from the Fedors' equation) of not more than 11. The molded component has excellent gasoline barrier properties and also excellent performance in thermal fusion properties and mechanical strength. The fuel container provided with such a molded component is significantly improved with regard to leakage of fuel from the molded component portion.