Abstract: Slit pieces of thermal insulating molded rubber are configured to conform to under-sink piping so as to provide protection against burn injury from contact with hot surfaces. Three pieces cooperate with one another to enclose the installed P-trap assembly, and a fourth piece is severable into two parts which serve to enclose the hot water valve and its supply pipe and tube.

Abstract: An intake manifold wherein separately produced sections of metallic or plastic material have neighboring surfaces defining a chamber which is adjacent the cavity of the manifold and is filled with a vulcanized elastomeric material which is bonded to the neighboring surfaces by a coupling agent, such as silane. The elastomeric material can be silicon rubber, nitryl rubber or polyacrylate rubber. The neighboring surfaces of the sections can form a tongue-and-groove connection which is adjacent the cavity of the manifold and is also adjacent the elastomeric material.

Abstract: An anti-rupture ring is slit axially at least at one location and is provided thereat with clamping devices which permit a rapid tightening and loosening of the anti-rupture ring. In one embodiment, the clamping of the anti-rupture ring can be varied hydraulically so as to minimize clearance losses in operation. The invention can be used in all types of turbo engines endangered by breakage of rotor blades, particularly in aircraft gas turbine construction, and it permits simple, damage-free mounting and a well-defined clamping of the anti-rupture ring.

Abstract: A cable sleeve having end members and a sleeve member having at least one longitudinally extending slot and a clamping device for closing said slot and holding the sleeve member in sealing engagement on said end members. The cable sleeve further includes a gripping arrangement for prevent the spreading apart of the ends of the slot. This arrangement includes the sleeve member having inwardly directed segment-like flanges adjacent each edge of the slot and an arrangement for holding the two flanges together including a stiffening element that extends across the slot and is connected to each of the flanges on each side of the slot.

Abstract: An improved coupling guard for enclosing rotating couplings, shafts and other devices with the improvement comprising an interlocking closure consisting of a retainer element, a retained element and a resilient gasket substantially between the retainer and the retained elements. The improved coupling guard provides a substantially leakproof enclosure that is easily assembled and disassembled. In a preferred embodiment of the invention, the guard comprises two or more semi-cylindrical shell portions that cooperate to form a substantially cylindrical enclosure and that are joined by use of the interlocking closures. In the closures, the gasket is adapted to both seal the closure against leakage and to resiliently bias the retained element into retaining engagement with the retainer element.

Abstract: A pipefitting cover specially designed to enclose an insulated Y-shaped joint is disclosed comprising two half sections, one adapted to the shape of a straight pipe segment and the other adapted to interlock with the other section while also accommodating an additional pipe segment protruding at an angle from the first straight pipe segment.

Abstract: A fluid handling duct for an automotive vehicle has a channel section having a base and integral, upstanding interior and exterior wall elements and a closure cap which is friction welded to each of the wall elements. The closure cap has several V-shaped projections depending therefrom which are sized such that during friction welding according to the method disclosed herein the wall elements contacted by each of the V-shaped projections will be deflected in a direction transverse to the longitudinal axis of the duct whereby the V-shaped projection and a corresponding wall will be held together with a force of deflection having sufficient magnitude to cause welding of the V-shaped projection to the wall when the closure cap is moved relative to the channel section during friction welding.

Abstract: A kit, which is particularly intended for the fireproof laying of cables and ducts, has endwise connectable, self-supporting components made from thermally insulating material and substantially elongated metal reinforcements. The self-supporting components are duct sections (4 to 12), which in each case comprise a trough section (4' to 12') made from thermally insulating material and externally reinforced by longitudinally continuous sheet metal parts (16) and which has a substantially U-shaped cross-section, and a cover (4" to 12") also made from a thermally insulating material. The trough sections (4' to 12') being in each case equipped for the cover-less laying of the duct (1), are connectable with adjacent trough sections (4' to 12'); and the associated covers (4" to 12") are detachably fixable.

Abstract: A sleeve assembly including a pliable sheet and a coupling strip is provided. The coupling strip is adapted to interconnect the ends of the pliable sheet to form a cylindrically-shaped unit. The ends of the pliable sheet are formed to include flukes that are configured to engage the coupling strip. The coupling strip includes a rigid base member and a spaced-apart, substantially parallel seesaw member. The seesaw member is joined to the base member by a pivot beam. The seesaw member has a first leg and a second leg, with the first and second legs cooperating with the base member to form first and second nests for receiving the flukes of the pliable sheet. The seesaw member is permitted to pivot somewhat with respect to the base member to equalize the capturing forces of the first and second nests to enhance the strength and rigidity of the assembled sleeve assembly.

Abstract: A sleeve formed of shrinkable material has a longitudinal closure formed of projections and corresponding cut-outs along two longitudinal edges of the closure. The projections of the two longitudinal edges are offset relative to one another and have at least a partially clearly defined reinforcement in relation to the encasing component. When the projections have been fitted together, a retaining element is applied at least periodically to the reinforcements which have been fitted together in series.

Abstract: A fastener strip arrangement for joining splice cases of the type including a pair of splice case members having outwardly extending flanges positioned in opposed cooperating relationships to define cooperating flange pairs on opposite sides of the splice case. The fastener strip arrangement comprises two elongated strips each of generally channel-shaped cross-section and including a web having legs projecting from opposite side edges thereof in the same direction. One leg of each strip projects from the web a shorter distance than the other leg. One of the strips has generally keyhole-shaped slots formed through the web to extend generally longitudinally thereof. The generally keyhole-shaped slots each have large opening areas and narrow opening areas, with the narrow opening areas lying closer to the short leg of the strip than to the long leg of the strip and with a substantially greater portion of each large opening area being located on the side of the narrow opening spaced toward the long leg.

Abstract: A sheet is disclosed for forming a plurality of coupling bands for connecting the ends of corrugated drain tubes having external grooves. The sheet includes a plurality of parallel lines of hollow lugs. The lugs are separated from each other by an integral web of plastic material. The lugs in each line are spaced sufficiently to allow the resulting coupling bands formed from the sheet to bend freely about the drain tubes to which the couplings are applied. Each line of hollow lugs includes a plurality of spaced-apart columns of hollow lugs aligned in end-to-end relation. Each column includes, in sequence, a first end lug formed to include a flat end wall upstanding in substantially perpendicular relation to the plastic web, a plurality of intermediate lugs of generally frustro-pyramidal shape, and a second end lug formed to include a flat end wall upstanding in substantially perpendicular relation to the plastic web.

Abstract: An assembly for enclosing a telecommunication cable splice comprising a wraparound sleeve having longitudinal edges which can be brought together and secured by for example a metal channel. A seal is made between these edges by an internal sealing member which bridges the abutting edges of the sleeve and is urged into contact with the sleeve by expansive urging means between the sealing member and underlying cable splice. The urging means is preferably a foam strip.

Abstract: The present invention relates to a flat length of heat recoverable material with integral latching means so that the material may be wrapped around a cable, pipe or similar structure, latched together and shrunk down onto the structure. More particularly, the wrap includes a length of heat recoverable material with a metal clasp molded or otherwise attached to one end and an integrally molded, clasp-receiving rib on the opposite end.

Abstract: An improved furnace support member including a hollow structural member with an insulator having segments fitting tightly on the structural member with longitudinal abutting edges interrupted by a recess, and fastening means including anchor bands secured in the segments and having tabs extending outward in the recesses, means for retaining the tabs which are deformed to secure the insulator on the structural member and insulating plugs filling the recesses.

Abstract: Interlocking refractory segments for use in insulating pipes and the like are each formed with wire anchors embedded therein. The anchors have exposed ends at each side edge of the refractory segment. The exposed ends of one segment are formed so as to interlock with the exposed ends of a second segment so as to secure the segments in a fixed position extending around the pipe to be insulated. Preferably, the exposed ends of one segment are shaped to provide a hook configuration and the exposed ends of the anchor of another segment are shaped to provide an eye configuration for receiving the hook shaped configuration.

Abstract: Skid pipe insulation for water cooled support piping in a reheating furnace comprising refractory complementary sleeves extending about 270.degree. around the cooling pipe. The sleeves are bolted together at one end and the other ends are provided with substantially U-shaped clips which are adapted to inter-engage with complementary clips integrally welded or otherwise secured to the outer surface of the cooling pipe, which clips also serve as cooling fins.

Abstract: An arrangement for connecting corresponding edge areas of thin-walled bodies together wherein each edge area is provided with bending sections and empty sections alternately disposed to each other with respect to the corresponding bending and empty sections of the other edge area. The bending sections of the other edge area are disposed through the corresponding empty sections of the edge area whereby the bending sections collectively define a common channel through which an elongate connecting member is inserted to secure the bodies together.

Abstract: A covering for insulating a pipe including a U-shaped refractory cast having embedded in the refractory cast a U-bolt, and a plurality of parallel rods welded to the bolt to form a cradle-like frame. The ends of the U-bolt project from the sides of the cast. The cast is seated against the pipe and supported thereto by assembling a collar member on each of the U-bolt ends. The sides of the collar members extend over and are seated against the pipe. Nut members are threaded to the bolt ends and tightened against the collar members. Refractory material in plastic form is applied to the pipe, covering the exposed portion of the pipe, the U-bolt ends, collars and nuts assembled thereto to completely insulate the pipe.

Abstract: Replaceable heat insulation is provided for water-cooled pipes comprising structural supports and skid rails in slab reheating furnaces and like high-temperature metallurgical furnaces wherein the insulation is comprised of two mating sections of convenient length arranged to surround or, in the case of skid rails, largely surround the water-cooled pipes, the sections having metal fastening at their confronting edges brought into interfitting relation by sliding one section along the pipe relative to the other with provision for tightening the sections against the surface of the pipe and bringing portions of the interfitting metal fastenings into heat conducting contact with the water-cooled pipe. When each pair of sections has been fitted about the pipe and interlocked, but before being tightened about the pipe, each pair after the first is slid as a unit along the pipe into abutting position against the exposed end of the preceding pair and when so positioned being then firmly tightened about the pipe.

Abstract: Pipe insulation for water cooled support piping in a reheating furnace comprising refractory semicircular, pivotal complementary sleeves having wire reinforcement embedded in the sleeve refractory material and wherein the wire may be prestretched and located on the inner surface of the refractory insulation to directly contact, metal-to-metal, the outer surface of the cooling pipe. The reinforcing reticulations of the wire are at an angle to the longitudinal axis of the refractory sleeve. They enable stressing of the wire reinforcement simply by turning nuts of J-bolts, eliminating the requirement for welding of the reinforcing wire to the pipe. Longitudinal shoulders on the refractory protect the bolts from the effect of heat of the slab. The construction is such that tightening of the bolts and stressing of the reinforcing wire will cause no relative movement between the wire and refractory insulation.

Abstract: A pipe construction for utilizing ocean energy including a plurality of toroidal pipe elements stacked one upon the other in coaxial relation to form a cylindrical wall of substantial diameter and length. Sealing means are provided between pipe elements to make leakproof the cylindrical wall, said pipe structure being suspended by a plurality of tension members arranged about the inner circumference of the cylindrical wall. A pipe construction having a circular or a polygonal cross sectional shape and having portions thereof of selected physical characteristics for selected depth of water.

Abstract: The invention provides a protective sleeve for drill pipes used for the drilling of deep wells in the ground for the recovery of oil, natural gas or similar, this protective sleeve being attachable in the connection area of the individual drill pipe rods and comprising a resilient inner part in the form of a ring part and a protective covering of a flexible and/or elastic material surrounding this inner part, characterized by this protective sleeve comprising two half shells with tension claws on the inside and spring segments on the outside adapted to be, joined together in a hinge-like fashion to form a closed ring.

Abstract: Disclosed is a duct board assembly which comprised a panel of conventional duct board formed of rigid thermal insulation to which is attached boardering strips on one face of the panel; the panel may be provided with spaced, longitudinal grooves to define the wall widths of an air duct section to be formed from the duct board assembly and the outer margins of said panel-framing strips being provided with locking means to provide a closed longitudinal seam for the air duct section and to provide for closed joining, end-to-end, of successive duct sections.

Abstract: An insulator having a universal configuration can be placed around many different types of steam traps. The insulator comprises a housing having suitable openings for water drainage and testing of the trap by an ultrasonic probe, and thermal insulation. Use of the insulator results in more efficient operation of the trap and saves energy. One of the outstanding features of the insulator is its ease of installation.

Abstract: A re-enterable enclosure, or enclosure kit, for use with a cable splice, or the like, including, among other elements, a longitudinally split tubular member which is sufficiently flexible and resilient that the edges of the slit thereof may be spread to permit lateral application of the tubular member over a cable splice, or the like, the tubular member having external radial locking ribs respectively extending longitudinally among the edges of the slit therein, and a locking strip of generally H-shaped cross section including two outer flanges and two inner flanges interconnected lengthwise thereof at their respective junctions by a web, the outer flanges respectively having internal longitudinal grooves therein adapted to receive the external locking ribs on the tubular member to prevent spreading of the edges of the slit in the tubular member, the web of the locking strip being insertable longitudinally into the slit in the tubular member from one end of the tubular member with the outer flanges engaging t

Abstract: A sealed lay-in electrical conduit duct which is oil-tight and is comprised of U-shaped sealing collars which telescope into adjacent ends of aligned open ended sheet metal duct sections which are troughs generally U-shaped in cross-section and have their open sides unobstructed throughout their length and closable by a movable sealing trough cover. The sealing collars and duct sections have telescoping bottom and side wall portions, each of which carries elongated cooperating interengaging rib and groove elements which are aligned and extend normally to the longitudinal axis of the duct sections. Each collar member carries a sealing element extending throughout substantially its entire length which covers and seals the line of juncture of the adjacent ends of trough sections held in rigid aligned relation by the collar member.

Abstract: An elongate mast section that when joined to at least one further section along the longitudinal edges thereof forms a mast. Each longitudinal edge has a U-shaped portion including a protruding flange which is joined to the corresponding flange of the adjacent section by means of a joining strip. A wedge is driven between the bases of the flanges to force the flanges into firm frictional engagement with the joining strips to complete the basic mast.

Abstract: Operation of a plasma device such as a reactor for controlled thermonuclear fusion is facilitated by an improved bumper wall enclosing the plasma to smooth the flow of energy from the plasma as the energy impinges upon the bumper wall. The bumper wall is flexible to withstand unequal and severe thermal shocks and it is readily replaced at less expense than the cost of replacing structural material in the first wall and blanket that surround it.

Abstract: This invention discloses an insulated, longitudinally segmented, rigid conduit containing several pipes of varying sizes. The conduit comprises any number of separate pipe carrying segments wherein the rigid casing, the rigid insulation, and the pipe constitute integral parts of these segments providing rigidity to them. The invention discloses multiple unit conduits and a single unit suitable for use as a conduit by itself, which can be attached to similar units or to other surfaces such as floors, walls or ceilings. The conduit is designed to withstand external bending and shear stresses and internal fluid pressures.

Abstract: A prefabricated insulated pipe jacket comprising two interlocking semicircular sections, with each section consisting of a stainless steel exterior overlay cover, an inner body of insulation and an interior protective sheet, the overlay cover and interior protective sheet being secured together to either side of the insulation by a series of spaced retaining members carried by a connector strip providing a semi-closure for the insulation while maintaining a minimum heat transfer attachment between the cover and inner protective sheet.