Abstract: A modular fire-rated conduit or duct assembly suitable for applications such as ventilation systems in a multi-floor or multi-room building.

Abstract: A disclosed corrugated end cap includes a corrugated frame having one or more corrugations defined by one or more sets of alternating peaks and valleys. The end cap also includes one or more ribs disposed in one or more of the valleys and one or more valley reinforcements disposed in the valleys and running over a top surface of the corrugated frame. For example, the one or more ribs may be configured to increase a resistance of the frame to bending. Additionally or alternatively, the top surface, a front surface, and a rear of the corrugated frame surround a recess configured to receive latch ridges from a stormwater chamber.

Abstract: An electronic equipment enclosure includes a frame structure at least partially enclosed by a plurality of panels defining a compartment in which one or more electronic components are mounted and an exhaust air duct that is adapted to segregate hot air being exhausted from the compartment from cool air entering the compartment, thereby improving thermal management of the enclosure. The exhaust duct includes a lower duct section extending upward from the top panel of the compartment and an upper duct section telescoping upward from an upper end of the lower duct section. Each duct section includes four panels connected together by hinged corner fittings such that the section is collapsible. The upper duct section includes an outwardly flared portion.

Abstract: A pressure vessel for a turbine is disclosed. A cylindrical shape of the pressure vessel is divided into two parts in a radial direction of the pressure vessel and the pressure vessel is connected in the cylindrical shape via flanges protruding outward in the radial direction of the pressure vessel at both divided ends of the pressure vessel. Increased thickness portions are defined in a portion excluding the divided ends and circular arc center portions farthest from the divided ends. The portion is between the divided ends and the circular arc center portions and the increased thickness portions increase radial thickness of the portion.

Abstract: Systems and methods are provided for enhancing edge breathers for composite manufacturing. One exemplary embodiment is an apparatus that includes an edge breather to facilitate manufacturing of a composite part. The edge breather includes a body, ridges disposed along a length of the body that each define an arc which is perpendicular to a lengthwise axis of the body, and openings disposed along the body that enable air to enter a hollow interior that runs along the length of the body. The arcs defined by the ridges resist compressive loads applied to the edge breather and prevent the hollow interior from collapsing under pressure applied to the edge breather by a vacuum bag during manufacturing of the composite part.

Abstract: Embodiments provide a method for forming a groove on a pile encapsulation jacket to form an interlocking joint on the pile encapsulation jacket. A spacer may be used to form the groove. First, a pile jacket laminate is formed on a mandrel surface. The pile jacket laminate may be partially cured to have a solid but sticky surface. The spacer may be placed on the pile jacket laminate. An additional layer of laminate may be formed on at least a portion of the pile jacket laminate and at least a portion of the spacer. The entire structure may be cured and the spacer may be removed. A groove is formed between the pile jacket laminate and the additional layer of laminate at a space previously occupied by the spacer. The groove has the same width as the portion of the spacer that was covered with the additional layer of laminate.

Abstract: A duct flange structure which has a higher strength and which is easier to handle and manufacture. The duct flange structure is arranged in an end portion of a duct body having a substantially quadrilateral shape in section that includes a flange portion formed by bending an extension portion extending from an opening edge of each of wall plates constituting the duct body, the flange portion being constituted by a vertical portion extending outside substantially vertically to the wall plate and a horizontal portion extending substantially parallel to the wall plate from the vertical portion, the vertical portion and the horizontal portion being formed by folding and superposing the extension portion in two layers so as to form two adjacent wall portions.

Abstract: A flange to be assembled to a duct member includes a plurality of pre-fabricated apertures or areas of weakened wall strength for receiving fasteners to assemble the flange to the end of a duct member. The apertures may be spaced apart such that the fasteners can be inserted at regular intervals along the length of the flange and the length of the end of the duct member.

Abstract: A system providing environmentally friendly pathway tunnel utilizes a bottom configuration with multiple elongated beams and slots. One or more of the beams includes upstanding sedimentation members that are spaced apart along a span of the tunnel. The system interacts with the flowing water and earthen material in the flowing water such that capture and settling of the earthen material at locations along the tunnel occurs to produce a more natural water flow pathway along the tunnel.

Abstract: A material distribution system includes: a chassis; a material tank carried by the chassis and configured to hold a material; and a header configured to receive and distribute material from the material tank entrained in an air flow. The header includes: a header body having a pair of sidewalls, an inlet configured to receive entrained material from the material tank and a plurality of outlets, the sidewalls defining a width therebetween that increases from the inlet toward the plurality of outlets; a valve associated with an outlet that is configured to switch between a distributing position and a purging position, the valve blocking its outlet in the purging position; and a plenum having a volume of air that is selectively in fluid communication with the plurality of outlets to provide a purging air flow to the outlet with the associated valve when the valve is in the purging position.

Abstract: A profile is produced from a bent metal sheet surrounding an interior space by at least 360°, the longitudinal edges of said metal sheet being connected to respectively adjacent wall sections of the metal sheet. The longitudinal edges are separated from the respectively adjacent wall sections or longitudinal edges by spacers and are connected thereto in a form-fitting manner by fasteners such as screws, rivets, or the like.

Abstract: A flange to be assembled to a duct member includes a plurality of pre-fabricated apertures or areas of weakened wall strength for receiving fasteners to assemble the flange to the end of a duct member. The apertures may be spaced apart such that the fasteners can be inserted at regular intervals along the length of the flange and the length of the end of the duct member.

Abstract: A seal for a turbine casing is provided. The turbine casing includes a plurality of sections joined at flanges provided on each section. Each flange includes a bore and a counterbore. The seal comprises a compression sleeve seal having a length that is greater than a counterbore-to-counterbore length of two flanges; a fastener configured to extend through the compression sleeve seal; and a nut threadable on each end of the fastener. The compression sleeve seal is compressible between each flange and each nut to create a first seal and is radially extensible to create a second seal against each bore.

Abstract: A wire theft deterrent system includes a first U-shaped portion and a second U-shaped portion for encapsulating wire in a riser that is associated with a telephone pole. The first and second U-shaped portions are both made of stainless steel, so as to be substantially resistant to saw blades and hammers. The first U-shaped portion and the second U-shaped portion are connected to one another by high-security fasteners, each of which passes through an aperture in a flange of the first U-shaped portion and a corresponding aperture in a flange of the second U-shaped portion. The high-security fasteners restrict access to the encapsulated wires, so as to deter wire theft.

Abstract: A rehabilitating pipe for repairing an existing pipe has pipe units that are mutually coupled in a longitudinal direction of the existing pipe. Each of the pipe units has segments that are mutually coupled in a circumferential direction of the existing pipe. Each of the segments has an inner-surface plate and an outer-wall plate extending vertically from and around an entire perimeter of the inner-surface plate. The outer-wall plate has lateral plates extending along a longitudinal direction of the inner-surface plate and end plates connected between the respective lateral plates. Connecting members couple the segments together in the circumferential direction to assemble the pipe unit. A restraining member is attached to and encircles an outer circumference of the assembled pipe unit to restrain the pipe unit.

Abstract: An inner casing (10) of a rotating thermal machine, in particular a steam turbine, has essentially the form of a hollow cylinder and is divided in a parting plane (20), which extends through an axis (11) of said casing, into a lower casing part (12) and an upper casing part (13), which casing parts (12, 13) are detachably connected to one another in the parting plane (20).

Abstract: A casing spacer includes a pair of generally semi-cylindrical metal shells disposed on opposed outer surface portions of a carrier pipe for securely maintaining the pipe in fixed, spaced relation from the inner surface of an outer casing. Opposed ends of the shells are connected together by nut and bolt combinations for securely attaching the casing spacer to the carrier pipe. Plural runners are directly attached in a spaced manner to the outer surfaces of the metal shells by respective nut and bolt combinations inserted through apertures in the casing spacer's metal shells for engaging the outing casing's inner surface in maintaining fixed spacing between the pipe and outer casing.

Abstract: A sectional heat insulation jacket comprises a set of multi-layer insulation sections in which the layers are bound together by a fastening and fixing device. Adjacent insulation sections connect and they separate by assembling joints that are self-sealing. A mutual position of the adjacent sections is reliably fixed by the connecting device at each stage of heating. The self-sealing is accomplished by side flexible layers which incline under a sharp angle to the surface of an upper flexible layer. The sizes of the assembling joints between adjacent sections at levels of the upper and the bottom flexible layers are equal to the temperature expansions of these layers in longitudinal and transverse directions, correspondingly under the insulated entity's heating until an operating temperature is reached. A conical, helical spring shaped fastening rod further increases a length of metallic inclusions with high thermal conductivity form an insulated entity and reduces heat loss.

Abstract: A method and apparatus for encasing a carrier pipe using PVC sections. Top and bottom carrier pipe encasement shells are provided, with connectors utilized to connect the two shells together thereby encasing the carrier pipe. The connectors generally “number four-shaped” in cross section, having downward flanges for attaching to the bottom shells and a pair of pairs of upward flanges defining a pair of channels there-between for receiving the rims of the top shell there-between.

Abstract: A wrappable heat shield for an exhaust pipe and methods of construction and installation thereor includes an outer layer of metal having opposite inner and outer faces extending between opposite sides. An inner layer of non-woven insulation is attached to the the outer layer by a crimped portion extending along one of the opposite sides of the outer layer. The inner layer has a width sufficient to extend completely about a circumference of the exhaust pipe and is arranged in continuous contact with the exhaust pipe about its circumference while the outer layer remains spaced therefrom.

Abstract: The inside surfaces of pieces constituting an undersink pipe-covering system are formed with series of weakness zones, at spaced intervals and with associated distance scale indicia, to permit facile and convenient length determination and manual severance for adjustment, while affording aesthetic appeal.

Abstract: A flue liner insert with individually adjustable sides, which can be used to fasten to, extend and join two rectangular masonry clay flue tiles. Specifically, this flue liner insert fits into the interior of a clay tile and allows adjustable fastening to existing masonry clay tiles in a manner that can withstand common loads and also not interfere with the chimney draft. This flue liner insert can be used to extend masonry chimneys, join clay flue tiles, anchor ceramic chimney pots, partially or fully line existing chimneys, and mount standard or integrated chimney caps.

Abstract: A method for securing a branch assembly to a pipeline includes positioning a first containment ring surrounding an area from which the branch is to extend, positioning a first annular seal within the containment ring to provide a first ring/seal arrangement, positioning a second containment ring spaced from the first containment ring and first annular seal, positioning a second annular seal within the second containment ring to provide a second ring/seal arrangement, positioning the second part of the branch assembly onto the seals, and positioning a first part of the assembly on the pipe line and securing the first and second parts together so as to leave an annular gap between the first and second ring/seal arrangements and to provide an access point or vent in the second part communicating with the annular gap.

Abstract: The present invention relates to the corrosion protection of a steel pipeline, and to improvements in pipe clamps useful for this purpose. The invention provides a pipe clamp or coupling which makes electric contact with the pipes on which it is assembled and provides a continuous electrical connection, of the pipes. The pipe clamp according to the invention for sealing by means of a metal clamping band to surround the pipe or a pipe coupling for removably holding extremities of a pair of metallic pipes provided with a flexible inner sleeve disposed inside the clamping band; the inner sleeve is attached to the clamping band by means of metallic fasteners, the metallic fasteners being arranged to contact the metallic pipes when the assembly is tightened, to form a continuous electrical connection of the pipes.

Abstract: A casing spacer comprised of a pair of bands formed in a semi-circular configuration of a desired radius. Each band has a plurality of threaded studs that extend radially outward from the outside radial surface of each of the bands. The bands have a plurality of selected interchangeable risers, each of the interchangeable risers is configured to extend a desired distance from the outside radial surface of each of the band. The risers have a plurality of bore holes that are adapted to receive one of the threaded studs. The risers are detachably mounted to the bands by way of the threaded studs. The bands are fastened together around a carrier pipe to support the carrier pipe on the selected risers at a desired position when the carrier pipe is inserted into a casing pipe.

Abstract: A method for securing a shell assembly to a pipeline. A two part shell assembly is secured to the pipeline and holds in position an annular sealing arrangement located about a predetermined area of the outer surface of the pipeline. The sealing arrangement includes a containment ring surrounding an annular seal. The containment ring is provided with connected through passages so that sealant can be introduced by a hole in the assembly into the passages to provide sealing between the containment ring and the pipeline, and between the containment ring and the shell assembly. Thus, should the annular seal fail during service the introduced sealant provides a seal.

Abstract: The flexible pipe comprises a plastic sealing sheath and, an inner plastic sheath which define an annular space in which structural elements are placed, the said structural elements comprising at least one armour ply consisting of metal wires wound helically with a long pitch, a end fitting (12, 13) being fitted at each end of the said flexible pipe (1), the device (14) comprising at least one external anode electrically connected by connection means to the said armour ply, and it is characterized in that the anode is placed in an intermediate region (40) of the flexible pipe (1) distal from the said end fittings, the connection means connecting the anode to at least one of the metal wires in the said intermediate region.

Abstract: The present invention provides a transitional telescoping plenum apparatus that is intended to facilitate the interconnection of HVAC equipment to duct systems. The unit expands in length, width and height directions, and is composed of modular tier sections. Each modular tier includes at least four corner sections, with each corner section being interleaved with two adjacent corner sections to complete a single modular tier. Each modular tier includes a tier-connecting flange that communicates with a tier-connecting flange on another modular tier, such that the modular tiers can be interconnected to form a finished transitional telescoping plenum apparatus. Clips are also taught for connecting modular tiers to each other.

Abstract: A method is provided for securing a shell assembly to a pipeline. A two part shell assembly (2, 3) is secured to pipeline (6) and holds in position an annular sealing arrangement (16, 17) located about a predetermined area of the outer surface of the pipeline. The sealing arrangement includes a containment ring (16) surrounding an annular seal (17). The containment ring is provided with connected through passages (16e) so that sealant can be introduced via a hole in the assembly into the passages to provide seating between the ring and the pipeline, and between the ring and the assembly. Thus, should the annular seal (17) fail during service the introduced sealant provides a seal.

Abstract: A unitary annular reduction duct suitable for joining pipes comprising an annular entrance collar of a given diameter, a corrugated and gradually inwardly tapered reduction portion that is contiguous with the collar section and a corrugated and substantially vertical annular exit portion contiguous with the reduction portion whereby the reduction portion has a diameter less than the collar section. The reduction duct may also be used to join pipes of different shapes.

Abstract: An outlet tube comprising a unitary material sheet folding into a rectangular shape and having overlapping ends secured with rivets, the outlet further including flanges extending outwardly from one end of the walls of the rectangular shape, and slots at the upper and lower fold lines to accommodate irregular shaped holes via bending of the sides of the outlet tube. Three sizes of flat blanks handle all gutter common hole sizes, and these blanks are made by one die assembly, which include holes on flange to allow riveting to the floor or the gutter.

Abstract: A heat protective cover system for hot water pipes which provide insulation precluding the possibility of burns or abrasions arising from contact with a hot water pipe by an unambulatory person who is wheelchair bound. The heat protective cover system of the present invention is a total access system, in that the heat protective covers or jackets which form part of the system can be secured to hot water pipes in such manner that they are relatively tamper proof, but yet can be readily removed to inspect or conduct maintenance or the like. Moreover, the various individual jackets are provided with self-locking rings to be releasably locked to an adjacent jacket piece when secured about a hot water pipe. Thus, maintenance and easy inspection is readily afforded by this system.

Abstract: The invention relates to an improved system for connecting the ends of sheet metal ducts wherein each duct end is provided with a double walled frame. Corner connectors defining perpendicularly extending arms are associated with each frame, and bolts or other fasteners are utilized for connecting the connectors and frames. The respective double walled frames comprise integral sections at the duct ends. The sections include an upturned portion extending perpendicularly outwardly from the duct wall, a second portion bent rearwardly from the outer end of the first portion, a third return portion, and an inner wall portion extending from the outer end of the third portion and forming a L-shaped portion. When the frame is formed in this fashion, it is adapted to receive the side edges of respective arms of corner connectors whereby the ducts may be efficiently assembled by locating corner connectors in place and thereafter applying the fasteners used for maintaining the assembly.

Abstract: A portable windguard for use on a pipe to shield a weld being applied from wind comprising a collar, a Velcro.TM. belt for attaching and securing the collar to the pipe and a shield extending generally perpendicularly from the collar. The shield can be collapsible, hence readily transportable from site to site.

Abstract: A method for permitting the joining together of two adjacent pipe lengths with adjacent ends curving with substantially the same sense, the method comprising rotating the end of one of the pipe lengths about its axis until it curves in substantially the opposite sense to the curve of the adjacent end of the other pipe length.

Abstract: A guard for cables that extend alongside a coupling in a tubing string includes a base and a clamp member that are hingedly interconnected to fit about the coupling and portions of the cables beside the coupling. Hinge elements, formed on sections of the clamp member at opposite ends of the guard and received by hinge grooves formed in end members of the base, are connected together by a hinge rod and a projection on a rib connecting the base end members extends partially about central portions of the hinge rod to secure the hinge elements within the hinge grooves. Bolt grooves are formed in free ends of the base end members opposite hinge ends of the base members in which the hinge grooves are formed to receive the ends of a base portion of a u-bolt that is secured to the base by a projection formed on a rib connecting the base end members and extending partially about the base portion of the u-bolt.

Abstract: An insulative cover assembly for insulating a P-trap drain piping assembly comprises a unitary body including a first section and a second section joined together at a third section, the first section having an body configured to cover a pipe and having a first end, and the second section having a body configured to cover a pipe and having a first end. The third section couples second ends of each of the first and second sections together and comprises a structurally weakened area therein which is manually separateable for forming first and second cover pieces from said unitary body. The ends of the separated first and second sections further include structurally weakened areas for trimming the lengths of the sections during installation whereby the piping assembly is quickly and efficiently covered and insulated generally without the need for special installation tools.

Abstract: An insulative cover assembly for insulating a P-trap drain piping assembly comprises a unitary body with a first cover section and a second cover section, the first cover section having an elongated body terminating in an approximately 180.degree. bend, and the second cover section having an elongated body terminating in an approximately 90.degree.. The first and second cover sections each include a longitudinal slit thereon for being spread apart and positioned over the pipes. Measurement indicia is positioned on a surface of said body, the measurement indicia provides an indication of the length of the cover sections for proper sizing and installation of said cover section on a pipe.

Abstract: An insulative cover piece for insulating a pipe of a P-trap drain piping assembly located under a sink comprises an elongated body formed of a flexible insulating material configured for being positioned over the pipe. A longitudinal slit formed in the body defines opposing edges so that the body is spreadable along the slit. A fastening structure is connected to the body proximate an edge on a side of the slit and the fastening structure is operable for engaging the other edge on the other side of the slit to span across the slit and hold the edges together to effectively close the slit without the need for a plurality of separate and difficult-to-manipulate fasteners.

Abstract: A reusable pipe closure is constructed using an O-ring end cap and split collar. In practice the end cap and O-ring are inserted over the end of a pipe, the split collar is placed over the end cap and the end of the pipe and the two halves of the split collar are closed; securely compressing the collar around the pipe.

Abstract: An insulative cover assembly for insulating a P-trap drain piping assembly comprises a unitary body including a first section and a second section joined together at a third section, the first section having an body configured to cover a pipe and having a first end, and the second section having a body configured to cover a pipe and having a first end. The third section couples second ends of each of the first and second sections together and comprises a structurally weakened area therein which is manually separateable for forming first and second cover pieces from said unitary body. The ends of the separated first and second sections further include structurally weakened areas for trimming the lengths of the sections during installation whereby the piping assembly is quickly and efficiently covered and insulated generally without the need for special installation tools.

Abstract: An insulative cover assembly for insulating a P-trap drain piping assembly comprises a unitary body with a first cover section and a second cover section, the first cover section having an elongated body terminating in an approximately 180.degree. bend, and the second cover section having an elongated body terminating in an approximately 90.degree.. The first and second cover sections each include a longitudinal slit thereon for being spread apart and positioned over the pipes. Measurement indicia is positioned on a surface of said body, the measurement indicia provides an indication of the length of the cover sections for proper sizing and installation of said cover section on a pipe.

Abstract: A cable duct has a plurality of end-to-end connectable sections, with each section being formed of two interengaging panel members. In combination, the panel members form the side walls, cover and base of each section. Each panel member includes a side wall, cover portion and base portion which are hinged together and when the panels are folded at the hinges, each panel member forms a side wall and a portion of the cover and a portion of the base. The cover portion and base portions overlap with the extent of overlapping determining the space between the side walls and the width of a section. The panel members are adjustably secured together along the base so as to provide connectable sections and thus a cable duct of varying width.

Abstract: The present invention relates to a tubular section which may be constructed from a sheet having a pair of opposed edges. The opposed edges are releasably connectable such that the section may be stored in a relatively flat configuration. The screw fasteners used to connect the edges together may be restrained from rotation using for example a stringer element appropriately stabilised relative to the fasteners.

Abstract: A secondary containment system for conduits, pipes and electric cables includes a plurality of separate duct sections connected in end-to-end relation to provide an electrically insulating fluid tight system. Each duct section includes a pair of generally Z-shaped structural members formed from a fiber reinforced plastic material with each structural member including top and bottom flanges for supporting a removable top cover panel and a rigidly joined bottom panel. The structural member top flanges are preferably shaped to deflect the top cover panel to present an outwardly convex top surface to prevent the collection of condensate and other fluids.

Abstract: An elementary length of the ducting comprises a pair of top and bottom plane panels (2, 3) and a pair of side panels (4, 5) having outwardly projecting longitudinal rims (8, 9, 12, 13) on their outside faces, the margins (10, 11, 14, 15) of the top and bottom panels (2, 3) and the rims (8, 9, 12, 13) of the side panels (4, 5) are predrilled to receive fixing bolts (6). A detection panel (47) is disposed as an inside lining of the bottom panel (3) and is connected via its own rims (48, 49) to the side panels (4, 5), and a tunnel (52) is left between the bottom panel (3) and the detection panel (47), with said tunnel opening out into the ducting, close to a bend.

Abstract: An explosion-proof electrical conduit sealing fitting for threadedly engaging at least two threaded conduits and surrounding at least one conductor running through two threaded conduits includes a first element having a portion threadedly engaging at least one of at least two threaded conduits; a second element having a portion threadedly engaging at least one of the at least two threaded conduits, and connections for the first element and the second element. When properly connected and screwed into place, the sealing fitting of the present invention completely surrounds the at least one conductor and threadedly engages all of at least two threaded conduits.

Abstract: A tunnel or pipe section which includes a plurality of panels which are connected together to form a closed tunnel or pipe section. Each panel includes a plurality of tubular connectors which are anchored within the panel, preferably to the reinforcing members of the concrete panels, and which are connected to one another, such as by bolting through apertures in walls of the aligned connectors.

Abstract: The present invention provides a pitch pan with just two J-shaped sections. The long leg of one J-shaped section is aligned with the short leg of the other J-shaped section, and vice versa; and the legs of the two J-shaped sections are provided with positioning surfaces which permit the long and short legs of the J-shaped sections to be shifted relative to each other to define adjustable-length walls at opposite sides of a filler-receiving recess. That two-section pitch pan is covered with water-impervious skirting before it is delivered to the job site. All an installer need do is to align the two sections of that pitch pan, secure them to each other and to the roof with fasteners, use a cement or adhesive to seal the skirting of those sections to the roof, use a cement or adhesive to seal an overskirt in position at each of the two sides of the pitch pan where the skirtings of the two sections confront each other, and then fill the filler-receiving recess defined by that pitch pan.

Abstract: A sanitary, portable toilet comprised of a barrel-shaped stool formed of split cylinders which are detachably mounted at their top ends by an annular seat and at their bottom ends by a pair of C-shaped baseplate elements. The elements of the baseplate are detachably mounted together through pin and shackle connections. A flexible disposable liner is suspended within the stool with the upper end of the liner captured between an outer rim at the upper end of the split cylinders and a downwardly extending rim of the seat. A lid is pivotally mounted on the top of the seat.