CORRUGATED

A connector for use with a plastic corrugated tubing is provided in which a first annular member is provided with an end face which is adjacent a projecting end of the tube when the annular member is disposed about the tube. The end face is disposed within a trough of one of the tube corrugations. An...     

A modular assembly for constructing conduits of the type used for underground telephone lines, electrical lines, and the like. The specification discloses several embodiments each of which generally comprises a plurality of side-by-side corrugated plastic tubing sections. These sections are provided...     

A funnel with an elongated flexible spout is provided wherein a cap is located on the flexible spout near its terminal end whereby the cap can be snapped onto the funnel to keep the funnel and the pouring nozzle clean. This is further characterized by providing a means in which a can of oil or the like...     

A liquid tight coupling means between a flexible cable conduit and a bulkhead, the coupling means having a tubular sleeve therein of plastics material which defines with the body of the coupling means an annular recess into which the end of the conduit can be fitted. The arrangement is characterized...     

A thin plastic tube has at the end a continuous or interrupted inclined plane means which collapses the plastic tube end section over a nipple or another tube end. The plastic tube end section is inserted over the nipple or other tube end to be sealed thereby with a locking ring drawn over the inclined...     

A coupling for joining spiral underground drainage pipes includes a cylinderical body with an inner circumferential flange and locking projections. When the coupling is rotated on to the drainage pipes the ends of the pipes are held flush on the flange and the inner surface of the flange forms a smooth...     

A flexible vacuum cleaner hose is provided with a simple and inexpensive end fitting for use with various vacuum cleaner accessories and attachments. The hose is a corrugated plastic, i.e., it has annular rings or corrugations formed therein. Each section of hose has a predetermined length with a suitable...     

A new form of clip for fastening around spirally-grooved or ribbed pipes, tubes or hose comprises a band, for example of wire or strip, which can be tightened up by the usual means, but has its end remote from these means overlapped and held by a bridge portion which can be fitted into the grooves or...     

A container or like structure having a corrugated tubular base or wall at least partly embraced by a thin, pliable sheet clamped in place by a like corrugated collar embracing both the sheet and the tube so that the corrugations intermesh, deforming and securely holding the sheet.

Disclosed herein is a coupler for joining lengths of corrugated pipe including those provided with radial end flanges. The coupler is comprised of two semicircular sections joined at the ends thereof about the juncture of the pipe lengths. Each section has a channeled central portion which is disposed...     

A swivel coupling for joining lengths of flexible hose together incorporates a pair of cylindrical coupling members rotatably supported within a cylindrical housing at opposite ends thereof. Each of the rotary coupling members comprises an inner sleeve and an outer coupling collar joined by an annular...     

A coupling connector that is concentrically engageable about the adjacent ends of two corrugated tubes and includes a bendable strap member having at least one slot at one end thereof and a pawl at an opposite end and wherein the slot is formed with an enlarged end portion. Ratchet teeth are disposed...     

Improved coupling means for pipe to provide a leak tight joint between abutting pipe sections. Each pipe section is provided with at least one annular, circumferentially continuous depression at each end thereof, the outside of the exterior surface in which said depression is formed providing continuous...     

In a joint between two tubes having a corrugated outer wall and a smooth or corrugated inner wall the tubes are cut to form each an open annular space between said walls at the end. A sealing ring is received by the spaces, and the tubes are pressed against the sealing ring by means of a lock ring tightened...     

Means to form a coupling between lengths of pipe, a male component having at least one annular rib on the outer surface of the male component and a female component having at least one annular groove corresponding in number to the number of annular ribs, one for each rib, to accommodate the at least...     

A system of flexible conduit and fittings useful particularly, though not exclusively, for conveying, supporting and connecting electrical service cables and wires. The system includes a corrugated, synthetic resin conduit which is flexible and mechanically strong, connector sleeves for clampingly engaging...     

An improved system for attaching a connecting device to the end of a spirally wound corrugated pipe section is disclosed. A conventional connector element is used which includes a first cylindrical portion adapted to connect to a corresponding connector element and a second cylindrical portion adapted...     

A pipe coupling for joining abutting sections of pipe particularly adapted for connecting corrugated plastic drain pipe to provide a strong yet flexible coupling having a relatively smooth external surface thereby avoiding entanglement of the coupling in the guide of a trencher for the subterranean laying...     

A tee connector for coupling a corrugated tubing lateral normal to a larger diameter corrugated tubing main with a circular aperture in its side wall. The connector has a first end with a circular periphery sized to be received in the aperture. The first end is configured with two arcuate longitudinal...     

A plate is attachable to a supporting structure such as a wall. Means carried by the plate encircle and hold a flexible conduit passing through the plate and the structure. The conduit is detachably held at adjustably selected positions along the length thereof.

A fitting (10) secures a vacuum hose (20) to a wand or tank of a vacuum cleaner. The hose is swivelably and pneumatically sealed within the fitting through use of a sealing surface (18) on the fitting in engagement with a flexible lip (28) at the end portion (24) of the vacuum hose. A ring (30) engageable...     

A continuous tube T is formed by spirally-winding an extruded thermoplastic ribbon R having mating edges which are joined together to form a spiral seam and having at least one reinforcing rib 3 which, when in its spiral wrapped form, projects radially out from the tube. At predetermined lengths, the...     

The specification describes a connector fitting for flexible corrugated tubing having parallel, coaxial corrugations; the connector comprising a bushing with a housing for accommodating in use the end of a length of corrugated tubing which housing is provided with at least one opening for receiving a...     

The invention pertains to a hose fitting particularly suitable with hose having a helical convoluted inner tube, and wherein the hose is formed of a synthetic plastic material. The fitting includes a tubular nipple having a helical projection upon which the hose inner tube is threaded, and a socket crimped...     

An end fitting for a sheathed, convoluted conduit comprises a generally tubular body member having a threaded portion adjacent one end for screwing into the conduit bore and a frusto-conical portion spaced from the threaded portion which tapers inwardly away from that one end and around which the sheath...     

An end connector including a threaded nipple end that cooperates with a spring and swage sleeve to secure the end connector to a convoluted plastic tube. The swage sleeve fits over the spring in the convolutions of the plastic tube in order to secure the plastic tube to the nipple by the spring forcing...     

A random length of corrugated hose forms part of a male/female coupling. According to the preferred embodiment the male connector is formed around the corrugated hose itself. One or more O-rings are seated in the exterior grooves closest to the end of the hose to be sealed. A split lock ring is then...     

A Y-connection for sheet metal conduits wherein a shoe is adapted to be placed inside a main conduit, and a saddle, to which a branch conduit is connected, is adapted to be placed against the outer surface of the main conduit. The inner shoe, and the saddle are provided with holes therethrough that are...     

A connector for connecting corrugated tubing to pipes or fittings permits the corrugated tubing to be used without any modification to its ends. The corrugated tubing need only be cut to length by severing at a "valley" of one of the corrugations. A ferrule in the form of semi-annular half-sections is...     

A system of flexible conduit and fittings useful particularly, though not exclusively, for conveying, supporting and connecting electrical service cables and wires. The system includes a corrugated, synthetic resin conduit which is flexible and mechanically strong, connector sleeves for clampingly engaging...     

A connector for a liquid tight, flexible electrical conduit formed of a plurality of interlocking, thin, arcuate metal ring sections having an interior wall of alternating ridges and grooves. The connector includes a ferrule end insertable into the conduit with a plurality of spatially separated arcuate...     

A system of flexible conduit and fittings useful particularly, though not exclusively, for conveying, supporting and connecting electrical service cables and wires. The system includes a corrugated, synthetic resin conduit which is flexible and mechanically strong, connector sleeves for clampingly engaging...     

A Y-connection for sheet metal conduits wherein a shoe is adapted to be placed inside a main conduit, and a saddle, to which a branch conduit is connected, is adapted to be placed against the outer surface of the main conduit. The inner shoe and the saddle are provided with holes therethrough that are...     

A rigid, molded fiberglass duct having an integral bendable elbow comprised of two sections of cured fiberglass securely bonded to a corrugated metal-foil sleeve. The method of manufacturing the rigid bendable duct is by sliding a corrugated metal-foil sleeve on to a mandrel and then wrapping the ends...     

A fitting for connecting a helically corrugated heat exchanging tube to a source of heated fluid, the fitting having a plastic tubular member with an end adapted for connection to the source and an end with external helical threads formed on it, the threads being sized to provide a close clearance with...     

An aquatic vacuum hose swivel cuff coupling comprises, in combination, a blow-molded vacuum hose and a molded swivel cuff. The hose includes one end which terminates as a right cylindrical end portion and a hose ring provided substantially adjacent to the cylindrical end portion whereby a circumferential...     

A sleeve-shaped pipeline coupling device for pipelines which is divided at least once in a direction transverse to the circumferential direction and adapted to be placed into close sealing contact against the outer wall of the pipeline. The coupling device includes at least one radial shoulder having...     

A duct liner interconnecting device for temporarily interconnecting the ends of sections of duct liner includes a pair of complementary semi-cylindrical elements hinged together along one edge for movement from an open position in which the elements are side by side to a closed position in which the...     

Connector means for use in connecting a corrugated conduit, of the type having longitudinally spaced-apart circular ribs on at least its outer surface, to an electrical box or other members. The connector means, in one embodiment, employs a tubular element on the box and the tubular element is provided...     

The invention pertains to the attachment of a wrenching nut to a metal conduit wherein torque forces can be applied to the conduit through the nut. An annular nut member is located upon a conduit and the conduit is radially deformed to force the conduit material into engagement with keying surfaces defined...     

In one form of the invention, the swivel hose couplings include two parts, a swivel insert which may be threaded or otherwise attached to the end of the hose, and a swivel hose end piece which has an internal groove therein in which an exterior portion of the swivel is rotatably received. A sealing lip...     

A pipe joint suitable for connection with a flexible tubular member includes a joint body, a sleeve and a cap nut. The cap nut is threadably fitted over one end portion of the joint body defining a tapering axial bore communicating with a cylindrical axial bore and having a shoulder at its axial inner...     

A system of flexible conduit and fittings useful particularly, though not exclusively, for conveying, supporting and connecting electrical service cables and wires. The system includes a corrugated, synthetic resin conduit which is flexible and mechanically strong, connector sleeves for clampingly engaging...     

A coupler for interconnecting in fluid communication a pair of axially aligned flexible pipe ends, employs a tubular member for insertion between two sections of drainpipe to be coupled. A first thread is included on a first end portion of the tubular member for threaded engagement of a first one of...     

An improved coupling for a corrugated conduit includes a main tubular body with a sleeve defining a conduit receiving bore terminating at its inner end in an annular shoulder projecting radially inwardly of the tubular body. A nipple clamps the end portion of the conduit and is inserted together therewith...     

A tubular conduit assembly for confining or conveying a pressurized fluid including a flexible, thin-walled inner tube coaxially disposed within a flexible armor or outer tube. The outer tube is preferably constructed from one or more helically-wound members corresponding with, and engaging, helical...     

An adapter for coupling a corrugated drainpipe to recreational vehicle discharge pipe employs a tubular member having a discharge pipe end portion of a shape and size adapted to be placed over an outlet end of the discharge pipe, and a drainpipe end portion having a shape and size adapted to engage threadably...     

A coupling for circular spiral lock seam conduit sections is comprised of a band curved to encircle the conduit, preferably with overlapping ends, a groove running along the interior of the band of sufficient cross section to receive the spiral lock seam, and clamps for tightening the band around the...     

A device is disclosed for coupling a drainpipe to a recreational vehicle discharge pipe fitting of the type having a terminal end portion with circular periphery and a plurality of locking pins extending outward radially from the periphery. The device employs a tubular member having a proximal end and...     

A connector for firmly engaging the exterior annular ribs on non-metallic conduit includes a tubular sleeve with a stop wall at one end, the stop wall having an opening therethrough. Several latch tabs are formed in the side wall of the sleeve, the tabs being inclined inwardly so that the ends of them...     

An adapter for coupling a corrugated drainpipe to a sewage disposal site employs a tubular member which is hollow throughout its length for connecting the drainpipe in fluid communication with a sewage disposal site. The tubular member has a drainpipe end portion having a complementary shape and size...     

A connector for corrugated tubing, such as electrical conduit, provides easy installation and has superior resistance to pull out as well as high impact strength. The connector has a body with two slots on each side and a U-shaped locking element which snaps over the corrugated tubing. The locking element...     

An aquatic vacuum hose swivel cuff coupling comprises, in combination, a blow-molded vacuum hose and a molded swivel cuff. The hose includes one end which terminates as a corrugated end portion having circumferential grooves therein. The swivel cuff component has a seating portion for receiving the corrugated...     

A connection assembly is particularly useful for positively connecting a flexible hose member with an inlet plug for a suction source while being adapted for subsequent disconnection without requiring any specialized tools. In connecting operation, an integral extension portion of a flexible hose member...     

A flexible corrugated hose coupling apparatus is provided for coupling a corrugated hose to a cylindrical neck or sleeve. A resilient hollow cylindrical coupling member has two ends and a generally smooth interior and exterior cylindrical surface and has an annular coaxial bore extending into one end...     

To increase strength of a branch wire protector including a T-shaped semicylindrical member with a trunk portion and a branch portion; a trunk semicylindrical member with a semicylindrical base portion; a branch semicylindrical member; and locking member for locking the trunk and branch semicylindrical...     

A blower comprises a unit blower housing of molded plastic material having a circular outer wall and laterally spaced front and rear walls, defining an impeller chamber and a tangential outlet upon a first axis adapted to receive a flexible hose. The outlet defines with an end portion of the outer wall...     

A pipe joint includes a joint body having an internal thread portion formed in the interior thereof, a bush having formed on the outer periphery thereof an external thread portion helically meshed with the internal thread portion of the joint body, a gasket accommodated within the interior of the joint...     

A thin flexible metal tube comprising two flexible bendable portions having low corrugations and a straight flexible portion having higher corrugations easy to absorb vibrations and disposed between both the bendable portions.

A duct joining system for sealingly connecting plastic gas-conveying ducts is provided. The joining system comprises a receptacle attached to an end of a first duct and sealingly fastened thereto. The receptacle has a size and configuration which is adapted to mate with an end of a second duct. The second...     

The conduit system includes a connector fitting joining adjacent ends of a pair of the corrugated plastic conduits in end-to-end relationship, a junction box inlet connector joining one end portion of the corrugated plastic conduit in an opening in one wall of a junction box, and a switch box inlet fitting...     

The non-profiled end portions of two pipes can be coupled to each other by a ring-shaped band which has at least one axially parallel gap and circumferentially extending corrugations defining two outer chambers and at least one median chamber. Each chamber is open toward the peripheries of the pipes...     

An air flow conduit system is presented for air flow communication between an air filter mechanism and an engine intake manifold. The conduit system comprises first, second and third substantially rigid conduit members. Engagement between conduit members is provided by means of a rib system on a narrow...     

Flexible convoluted tubing is made of an elastomeric material in desired lengths in which one end has convolutions with a configuration different from the convolutions at the other end. This enables the ends of each length to be interlocked in order to form a continuous closed hose. Alternatively separate...     

A clamp-type corrugated plastic pipe coupling of the invention, which is clamped with a split mold having flanges, includes an outer coupling member having a corrugation at least on its inner surface and a packing member arranged inside the outer coupling member. The packing member has an inner surface...     

A fluid coupling for a corrugated pipe, comprising a coupling body having a large-diameter portion and a small-diameter portion through which the corrugated pipe can be passed, metallic seal means arranged at the small-diameter portion, for sealing an end portion of a corrugated pipe pressed against...     

A fluid coupling comprising a coupling body having a cylindrical outer peripheral surface, clamp means for radially and inwardly clamping the outer peripheral surface of an end portion of a pipe, the clamp means beig axially immovable with respect to the pipe, a sleeve having engaging means and slidably...     

A fluid coupling for a corrugated pipe, comprising a coupling body having an axial through hole and a cylindrical outer peripheral surface, metallic seal means arranged at a pipe insertion portion of the axial through hole, for sealing an end portion of a corrugated pipe, a first sleeve having a first...     

A fluid coupling for a corrugated pipe, comprising a coupling body having an axial through hole including a pipe insertion portion and a fluid passage portion, metallic seal means arranged on the fluid passage side of the pipe insertion portion, for sealing an end portion of a corrugated pipe pressed...     

An improved connecting arrangement (10) by which to secure one end of a drain conduit (12) to the stub conduit (13) of a drain port (14). A unique coupler (11) is interposed between one end of the drain conduit (12) and the port (14). The coupler (11) has an annular sleeve portion (20) and an annular...     

Non-releasable, double-walled, molded, large-diameter, corrugated plastic pipe having walls made of high density polyethylene, PVC or polypropylene of sufficient thickness so as to be rigid but elastic and therefore relatively inflexible and having an integral automatically locking female coupling at...     

A pipe connecting element serves to connect pipes, which consist essentially of a continuous inner pipe and connected with it, extending radially outwards, projections, which serve to stiffen the pipe. To make such a pipe connecting element suitable to the light construction concept of double walled...     

An elongated flexible metal channel is adapted to surround a pair of engaging overlapped inner and outer cylindrical member with opposite ends of the channel overlapping one another to provide an adjustable clamp for the cylindrical members. Spaced opposed looped anchor strips overlay the respective...     

A liquid tight container for affixing, in a liquid tight manner, to a conduit having a ridge located adjacent to its end, wherein the conduit extends into a bore (5) and abuts against a sealing surface (6) and is held in liquid tight engagement therewith. A locking member (9) projects into the bore (5)...     

A sealing ring made of an elastomeric readily flowable incompressible material utilized for perfecting a seal between the interior surface of a coupling sleeve and the crest of a rib of a section of corrugated plastic pipe, the sealing ring having a generally flat annular body which in its free form...     

Non-releasable, molded, large-diameter, corrugated plastic pipe having a wall structure made of high density polyethylene, PVC or polypropylene of sufficient thickness so as to be rigid but elastic and therefore relatively inflexible and having an integral automatically locking female coupling at one...     

An air flow conduit system is presented for air flow communication between an air filter mechanism and an engine intake manifold. The conduit system comprises first, second and third substantially rigid conduit members. Engagement between conduit members is provided by a rib system on a narrow end of...     

A fitting connection for joining plastic tubing to associated structure comprises a main fitting body having an axially inwardly extending cylindrical chamber with an inner end portion of a diameter d.sub.1 terminating at its innermost end in a radially inward extending wall. The outer end of the chamber...     

Attachment means for connecting an insulated pipe to an element, such as the manifold, in the exhaust system of a vehicle. The attachment means includes a conduit which extends into the end of the insulated pipe. A transverse lug or a helical flange on the conduit engages the spiral corrugations of the...     

A hose fixture device has a cylindrical wall with projections thereon, which projections engage a corresponding mounting projection of a hose. Normally that mounting projection is a helix, so that there is a screw engagement. The projections are arranged circumferentially around the cylindrical wall...     

A connector for corrugated tubes comprises a lower shell (100) and an upper cover (150) having lateral walls (110, 160) with several corresponding semi-circular openings (50) that define, when the cover has been closed on the shell, circular openings for receiving corrugated tubes. The openings (50)...     

A system for joining first and second lengths of corrugated pipe together uses at least two notches cut into a first end of the pipe length. Each notch is formed by two cuts extending longitudinally for at least one corrugation. The cuts are spaced apart so as to form a tab that can be bent outwardly...     

A relatively resilient hose end telescoped over a relatively rigid tube end wherein a first axial zone of the tube end has an exterior rib with a circumferentially continuous radially outermost edge and a second axial zone of the tube end proximal to the first axial zone has circumferentially extending...     

A coupling device which, as a coupler, provides the necessary strength for coupling deep trench installations of corrugated polyethylene drainage pipes without hanging up during feeding through a trenching tool and also allows the joining of the corrugated polyethylene pipes with various other standard...     

A pipe coupling for a corrugated pipe, comprises a pipe coupling main body including a cylindircal portion having a small-diameter through hole, a pipe coupling main cylindrical portion having a large-diameter through hole, a connecting stepped portion formed between the small- and large-diameter through...     

A suction pipe for a suction-type submerged pool cleaner has a spigot at one end for connection to the pool cleaner and a spigot at the other end for connection to a suction source. Part of the suction pipe extending from the suction head is formed into a substantially helical-like shape.

A liquid tight connector for affixing, in a liquid tight manner, to a conduit having a ridge located adjacent to its end, wherein the conduit extends into a bore (5) and abuts against a sealing surface (6) and is held in liquid tight engagement therewith. A locking member (9) projects into the bore (5)...     

A reducer seal assembly for providing a fluid-tight through-wall fitting. The seal includes a substantially rigid tubular supporting member having a flange extending radially about one edge. The flange and the interior of the supporting member are covered with resilient material. The supporting member...     

A coupling and methods for interconnecting the ends of spirally ribbed pipe are disclosed. Grooves are formed transversely across two or more ribs of the pipe and a coupling ring is secured to the end of the pipe by lugs or cleats which rotatably engage with the grooves. Contact surfaces of the lugs...     

A flexible, multiple passage conduit assembly for use in fiber optic systems comprises an outer elongated housing formed from circumferentially corrugated flexible plastic conduit of cylindrical configuration. A separate rigid end fitting member of generally cylindrical configuration is joined to each...     

A dryer duct assembly employs two universal elbow components and at least one flexible component. The flexible component has ends capable of connecting to another flexible component or to a universal component without the use of other devices such as hose clamps to secure connection. Each elbow has ends...     

A coupler for use with pipe is disclosed having a unitary tubular structure with an inner and an outer surface. The inner surface has at least one and preferably three interiorly depending ribs. The outer surface is preferably corrugated and has formed therein a plurality of valleys. The inner surface...     

A combination of metallurgical and vent engineering design solutions that result in a superior product, lower installed cost, and corrosion-free performance for venting modern fan-assisted gas appliances by using a flexible, compressible, corrugated gas vent connector. Preferably the connector is constructed...     

A flexible hose has ribbed portions concatenated with cylindrical smooth tions. The ribbed portions provide flexibility and resilience to the hose. Flotation cuffs for buoyancy and wheel cage cuffs for reducing friction are mounted on selected smooth portons of the hose. A fitting removeably attaches...     

A bundle of wiring and piping lines, for supplying a control signal and working a first arm from a control unit to a hand, passes through a first flexible pipe, one end of which is connected onto a fixing jig attached to a base unit and the other end of which is connected onto a second arm, a second...     

A stab joint coupling, for joining corrugated pipes, has a male connector and a female connector both having means for attachment to a first and second piece of pipe by engaging the corrugation of the pipe. A circumferential elastomeric sealing means is positioned between the joined coupling connectors...     

A pipe coupling for the union of a corrugated pipe therewith is formed of a pipe coupling proper and a lock cylinder for fixing a corrugated pipe. The lock cylinder is helically joined to the inner surface of the leading part of the pipe coupling proper and fixes the corrugated pipe by rotationally closing...     

A coupling for coupling a corrugated hose to a socket having a cylindrical body with a "U"-shaped annular recess therein. The hose has an outside surface with parallel grooves therein. The parallel grooves have slanted or tapered sides. Flexible "O"-rings are stretched over the outside surface and placed...     

A reinforced metal box culvert is provided which has the standard crown, opposing sides and opposite curved haunches. The culvert is characterized in having continuous corrugated metal sheet reinforcement secured to at least the crown of the culvert and extends the length of the culvert which is effective...     

A heavy attachment for attaching to an end of a drain hose of a recreational vehicle is disclosed. The attachment being made up of two half cylindrical shaped halves hinged together which can be pinned in a clamping position around the drain hose adjacent its outlet end with an inch or so of said hose...