Abrégé

Embodiments include a tool having an input drive configured receive a force input and an output drive to transfer the force input to a fastener with the force input being transferred from the input drive to the output drive via a gear train internal to the tool. The force input (torque) may be augmented by the tool. The tool is configured with an input drive and an output drive. The input and output drives may be located at opposite ends of the tool. The input drive is configured to receive a force or torque input. The force input may be from an external drive source or tool. The output drive is configured to mate with and engage with a fastener. A gear train, internal to the tool, is configured to transfer the input force or torque from the input drive to the output drive.

Classes IPC  ?

• B25B 17/02 - Clés ou tournevis à engrenages actionnés à la main munis d'un dispositif d'augmentation de couple

Abrégé

Embodiments include a tool having an input drive configured receive a force input and an output drive to transfer the force input to a fastener with the force input being transferred from the input drive to the output drive via a gear train internal to the tool. The force input (torque) may be augmented by the tool. The tool is configured with an input drive and an output drive. The input and output drives may be located at opposite ends of the tool. The input drive is configured to receive a force or torque input. The force input may be from an external drive source or tool. The output drive is configured to mate with and engage with a fastener. A gear train, internal to the tool, is configured to transfer the input force or torque from the input drive to the output drive.

Classes IPC  ?

• B25B 23/00 - Parties constitutives ou accessoires des clés à écrous, clés anglaises, tournevis
• B25B 21/00 - Outils portatifs à moteur pour serrer ou desserrer les vis ou les écrousAccessoires pour appareils à percer ayant les mêmes buts
• B25F 5/00 - Détails ou parties constitutives d'outils portatifs à moteur sans relation spécifique avec les opérations exécutées et non prévus ailleurs
• B25B 13/48 - Clés à écrousClés anglaises pour des applications particulières
• B25B 17/02 - Clés ou tournevis à engrenages actionnés à la main munis d'un dispositif d'augmentation de couple
• B25F 3/00 - Associations d'outils pour différents travaux avec un seul moyen d'entraînement mécanique portatifRaccords appropriés
• F16D 1/12 - Accouplements pour établir une liaison rigide entre deux arbres coaxiaux ou d'autres éléments mobiles d'une machine permettant le réglage des pièces sur l'axe

Abrégé

A span to span duct coupler includes a coupler, a first end flange, and a second end flange. A first concrete element is formed to include a duct segment and the first end flange. The first end flange may be coupled to the first duct segment by a first duct boot. A second concrete element is formed to include a duct segment and a second end flange. The second end flange may be coupled to the second duct segment by a second duct boot. The coupler may include first and second coupler bodies and a coupler boot coupled to the first and second coupler bodies. The first coupler body may be mechanically coupled to the first end flange. The second coupler body may be coupled to the second end flange.

Classes IPC  ?

• E04C 5/10 - Gaines

Abrégé

A strand cutter includes a drive assembly and a clamp assembly. The strand cutter includes a nose piece. The nose piece includes a nose piece body, a shoulder, a fixed blade receptacle and a rotating blade receptacle. The strand cutter includes a fixed blade received in the fixed blade receptacle and a rotating blade assembly. The rotating blade assembly includes a cylindrical cutting body, a replaceable shear blade or a cutting edge, and a drive gear engagement coupled to or integrated with the cutting body. The drive gear engagement engages the drive assembly so as to allow the transmission of torque from the drive assembly to the blade mount, the blade mount coupled to or integrally formed with the cutting body. The strand cutter also includes a flange plate, wherein the flange plate receives the shoulder. The flange plate retains the nose piece in engagement to the drive assembly.

Classes IPC  ?

• B21F 11/00 - Sectionnement des fils métalliques
• B23D 29/00 - Dispositifs à main pour le cisaillage ou le découpage des métaux
• B23D 29/02 - Dispositifs actionnés manuellement

Abrégé

The present disclosure pertains to a process for monitoring stress applied to a tendon by a hydraulic jack during tensioning of concrete. The process may include measuring an amount of hydraulic fluid that flows through the hydraulic jack during tensioning. The measured amount of hydraulic fluid is corelated with an amount of stress applied per unit of hydraulic fluid to determine a total amount of stress employed on the tendon. The process may also include measuring the distance of travel of the hydraulic piston. The measured travel can be used to calculated the distance the tendon has been pulled (elongation) as well as the stress applied to the tendon.

Classes IPC  ?

• G01L 5/06 - Appareils ou procédés pour la mesure des forces, du travail, de la puissance mécanique ou du couple, spécialement adaptés à des fins spécifiques pour la mesure de la tension dans les éléments flexibles, p. ex. dans les cordages, les câbles, les fils métalliques, les filaments, les courroies ou les bandes en utilisant des moyens mécaniques
• B66C 13/16 - Utilisation de dispositifs indicateurs de positionnement ou de pesée
• G01G 19/16 - Appareils ou méthodes de pesée adaptés à des fins particulières non prévues dans les groupes pour peser des charges suspendues ayant des dispositifs à fluide sensibles au poids
• G01L 5/08 - Appareils ou procédés pour la mesure des forces, du travail, de la puissance mécanique ou du couple, spécialement adaptés à des fins spécifiques pour la mesure de la tension dans les éléments flexibles, p. ex. dans les cordages, les câbles, les fils métalliques, les filaments, les courroies ou les bandes en utilisant des moyens hydrauliques
• G01L 5/10 - Appareils ou procédés pour la mesure des forces, du travail, de la puissance mécanique ou du couple, spécialement adaptés à des fins spécifiques pour la mesure de la tension dans les éléments flexibles, p. ex. dans les cordages, les câbles, les fils métalliques, les filaments, les courroies ou les bandes en utilisant des moyens électriques
• G01N 3/00 - Recherche des propriétés mécaniques des matériaux solides par application d'une contrainte mécanique
• F15B 13/02 - Dispositifs de distribution ou d'alimentation du fluide caractérisés par leur adaptation à la commande de servomoteurs

Abrégé

The present disclosure relates to stepped wedges that used with tendon anchors for maintaining tension on tension in post-tensioned concrete. Exemplary wedges include two halves. Each halve has a first end and a second end. The two halves are assembled to form a wedge having an outer diameter on the first end that is greater than the outer diameter of the second end. Internally, the wedge may have a constant inner diameter to retain a tendon. The inner surface of the wedge has a gripping surface. The wedge may have an external step that is circumferential around the wedge and results in a decrease from the outer diameter between the first and second ends.

Classes IPC  ?

• E04C 5/12 - Dispositifs d'ancrage
• E04B 1/41 - Dispositifs d'assemblage spécialement adaptés pour être noyés dans du béton armé ou de la maçonnerie
• E04C 5/16 - Pièces auxiliaires pour armatures, p. ex. pièces de séparation, étriers

Abrégé

The present disclosure relates to an improved hydraulic pump for maintaining acceptable operating temperatures for hydraulic fluid used in a post-tensioning jack system for post-tensioning concrete. Embodiments include a pump unit with a fan and a heat exchanger. The heat exchanger may be located directly below the motor for the pump and a fan unit; other embodiments include a heat exchanger may be located on a side of the pump with a co-located fan unit. The pump unit may be portable and battery powered. The pump unit may include a digital display for input and output of operating parameters.

Classes IPC  ?

• F04B 17/03 - Pompes caractérisées par leur combinaison avec des machines motrices ou moteurs particuliers qui les entraînent ou par leur adaptation à ceux-ci entraînées par des moteurs électriques
• F15B 21/0423 - Refroidissement
• F04B 17/06 - Combinaisons mobiles
• F15B 21/08 - Systèmes de servomoteur comportant des moyens de commande actionnés électriquement

Abrégé

Exemplary embodiments may include a lightweight post-tensioning jack that also maintains a gap in a resting position to avoid potential pinch hazards. The lightwweight post-tensioning jack may have dual-handlers. It may also include a tendon chuck that is capable of providing enough friction between the chuck and tendon to avoid slippage and tensioning inefficiencies. The chuck assembly may be moved using a slidable handle; that is, one of the dual handles may be fixed and other may be slidable to move the chuck.

Classes IPC  ?

• E04G 21/12 - Montage d'éléments d'armatureApplication de la précontrainte

Abrégé

Exemplary embodiments may include a lightweight post-tensioning jack that also maintains a gap in a resting position to avoid potential pinch hazards. The lightweight post-tensioning jack may have dual -handles. It may also include a tendon chuck that is capable of providing enough friction between the chuck and tendon to avoid slippage and tensioning inefficiencies. The chuck assembly may be moved using a slidable handle; that is, one of the dual handles may be fixed and the other may be slidable to move the chuck.

Classes IPC  ?

• E04G 21/12 - Montage d'éléments d'armatureApplication de la précontrainte
• B66F 3/28 - Adaptations ou aménagements des pistons télescopiques

Abrégé

This application details a configuration for an in-line tendon shear, which may also be referred to as an in-line pocket shear. Exemplary embodiments may improve upon existing cutters and shears for tendons in post-tensioning operations by being advantageously more compact, efficient, can cut in multiple planes, such as horizontal and vertical planes, and may include additional other benefits. The in-line tendon shear has components that are aligned with a central axis of a tendon.

Classes IPC  ?

• B23D 17/06 - Machines à cisailler ou dispositifs de cisaillage taillant au moyen de lames articulées sur un seul axe caractérisés par leur entraînement ou transmission commandés hydrauliquement ou pneumatiquement
• B23D 29/02 - Dispositifs actionnés manuellement
• B23D 21/06 - Coupe-tubes actionnés à la main
• B23D 19/02 - Machines à cisailler ou dispositifs de cisaillage taillant au moyen de disques rotatifs ayant à la fois une lame de cisaillage fixe et un disque de cisaillage rotatif

Abrégé

The present application pertains to pre-tensioning machine for prestressing concrete. The machine includes a hydraulic circuit with a hydraulic pump and a hydraulic cylinder contained within a stanchion. The stanchion having a nose piece to fit around a tendon. The machine further includes an interface having a controller and a display. The machine may be coupled to a tendon and put tension on that tendon using the hydraulic cylinder as controlled at the interface by an operator.

Classes IPC  ?

• E04G 21/12 - Montage d'éléments d'armatureApplication de la précontrainte
• B28B 23/04 - Aménagements spécialement adaptés à la fabrication d'objets façonnés avec des éléments complètement ou partiellement enrobés dans le matériau de moulage dans lesquels les éléments enrobés sont des renforcements les éléments enrobés étant sous tension
• E04C 5/08 - Éléments spécialement adaptés pour être utilisés dans des constructions précontraintes

Abrégé

An apparatus may include a bracket having a post-tensioned cable tunnel and a pair of tabs configured to receive a post-tensioned cable and to prevent rotation of the bracket relative to the post-tensioned cable. An apparatus may include a plasma torch attachment member configured to releasably engage with the head of a plasma cutting torch of the type having a plasma cutting tip attached thereto, and to rotatably attach to the bracket such that the plasma cutting tip may be moved in an arc relative to the post-tensioned cable.

Classes IPC  ?

• B23K 37/02 - Chariots pour supporter l'outillage pour souder ou découper
• B23K 37/04 - Dispositifs ou procédés auxiliaires non spécialement adaptés à un procédé couvert par un seul des autres groupes principaux de la présente sous-classe pour maintenir ou mettre en position les pièces

Abrégé

A strand cutter includes a drive assembly and a clamp assembly. The strand cutter includes a nose piece. The nose piece includes a nose piece body, a shoulder, a fixed blade receptacle and a rotating blade receptacle. The strand cutter includes a fixed blade received in the fixed blade receptacle and a rotating blade assembly. The rotating blade assembly includes a cylindrical cutting body, a replaceable shear blade or a cutting edge, and a drive gear engagement coupled to or integrated with the cutting body. The drive gear engagement engages the drive assembly so as to allow the transmission of torque from the drive assembly to the blade mount, the blade mount coupled to or integrally formed with the cutting body. The strand cutter also includes a flange plate, wherein the flange plate receives the shoulder. The flange plate retains the nose piece in engagement to the drive assembly.

Classes IPC  ?

• B21F 11/00 - Sectionnement des fils métalliques
• B23D 29/00 - Dispositifs à main pour le cisaillage ou le découpage des métaux
• B23D 29/02 - Dispositifs actionnés manuellement

Produits et services

Concrete pre-tensioning system and components, namely, hydraulic pump, jack, human-machine interface, controller, and chassis.

Produits et services

(1) Concrete pre-tensioning system and components, namely hydraulic pump, jack, human-machine interface, controller, and chassis

Produits et services

Concrete pre-tensioning systems comprised of machine chassis, hydraulic pumps, hydraulic jacks, electronic human-machine interface equipment for machines to input data and machine operating commands, and electronic control systems for machines

Produits et services

non-metallic post-tensioning construction components, namely, duct couplers for connecting two segments of sheath embedded inside a concrete structure which sheathing forms a void for installing and prestressing post-tensioning tendons after the concrete attains desired strength, excluding castings, panels, and trims

Abrégé

A strand cutter includes a drive assembly and a clamp assembly. The strand cutter includes a nose piece. The nose piece includes a nose piece body, a shoulder, a fixed blade receptacle and a rotating blade receptacle. The strand cutter includes a fixed blade received in the fixed blade receptacle and a rotating blade assembly. The rotating blade assembly includes a cylindrical cutting body, a replaceable shear blade or a cutting edge, and a drive gear engagement coupled to or integrated with the cutting body. The drive gear engagement engages the drive assembly so as to allow the transmission of torque from the drive assembly to the blade mount, the blade mount coupled to or integrally formed with the cutting body. The strand cutter also includes a flange plate, wherein the flange plate receives the shoulder. The flange plate retains the nose piece in engagement to the drive assembly.

Classes IPC  ?

• B21F 11/00 - Sectionnement des fils métalliques
• B23D 29/00 - Dispositifs à main pour le cisaillage ou le découpage des métaux
• B23D 29/02 - Dispositifs actionnés manuellement

Produits et services

construction materials in the nature of metal post-tensioning concrete components and equipment, namely, anchors, anchorage systems, strands, tendons, wedges, staplers, staples for construction or industrial use, extrusion lines, cutting lines, and fabrication lines; metal barrier cable systems and components, namely, anchors, inserts, wedges, rails, and swivels Power staplers; hydraulic stressing equipment, namely, stressing rams and power pumps all for use in post tensioning of concrete components hand tools, namely, sheathing strippers, plasma cutters, tendon cutters construction materials in the nature of non-metal post-tensioning concrete components and equipment, namely, chairs, bolsters, ducts, duct supports, duct couplers, sheathing, pocket formers, sand plates, extensions, shims, spacers, caps, round duct, flat duct, tight-radius duct, precast segmental duct couplers, composite precast concrete chairs, stack chairs, bar chairs, high chairs, single lock mesh chairs, single lock paving chairs, double lock paving chairs, double mat extensions, slab bolsters, beam bolsters, slab bolster uppers, cable end spacers, cable end protectors, and intersectional chairs

Produits et services

Non-metal construction materials in the nature of post-tensioning concrete components and equipment, namely, pocket formers and rings

Abrégé

A barrier cable anchor rail assembly is disclosed. The assembly is adapted to be encapsulated in a concrete column and engage a plurality of cables to provide a barrier between successive columns of concrete. The assembly includes a first rail member and a plurality of threaded connectors. The threaded connectors are adapted to be engaged by a chuck that includes cable grippers adapted to engage one of the cables. The threaded connectors can be attached to the first rail member in the same orientation with a predetermined spacing between the central axis of the plurality of threaded connectors. The first rail member maintains the orientation and predetermined spacing of the threaded connectors and provides support to the concrete column in which it is encapsulated. A barrier cable assembly adapted to form a barrier between a first concrete column and a second concrete column is also disclosed.

Classes IPC  ?

• E04H 17/10 - Clôturage en fil métallique, p. ex. en treillage métallique caractérisés par la façon de fixer le fil aux poteauxTendeurs verticaux
• E01F 13/02 - Dispositions pour interdire ou limiter la circulation, p. ex. portes, barrières se tenant debout toutes seules
• E04G 21/32 - Mesures de sécurité ou de protection pour les personnes pendant la construction des bâtiments
• E04H 17/06 - Éléments de clôtures métalliques
• E04H 17/08 - Leurs moyens d'ancrage, p. ex. éléments de forme particulière pénétrant dans le solEntretoises ou analogues
• E04H 17/24 - Attaches pour fixer du fil supplémentaire aux châssis, poteaux ou barreaux
• E04F 11/18 - BalustradesMains courantes

Abrégé

A permanent stressed end cap for a post tensioned concrete member includes a grout retention feature adapted to retain a filler material within a void formed by a pocket former. The grout retention feature may be a generally knob or mushroom shaped, hex-headed, or square body extending from the cap. The grout retention feature may include one or more protrusions extending from the exterior of the cap. The grout retention feature may include one or more surface textures on the exterior of the cap.

Classes IPC  ?

• E04C 5/08 - Éléments spécialement adaptés pour être utilisés dans des constructions précontraintes
• E04C 5/12 - Dispositifs d'ancrage
• E04B 1/16 - Structures formées à partir de matériaux en vrac, p. ex. de béton, coulés ou formés de façon analogue, sur place, avec ou sans emploi d'éléments additionnels, tels que coffrages permanents ou infrastructures à recouvrir du matériau porteur de la charge

Abrégé

A pocket former includes a pocket former body and a keyway former. The pocket former is adapted to form a void in a concrete member allowing access to the stressing end of a post-tensioning tendon. The keyway former is adapted to form a keyway in the concrete to allow grout to be more securely retained in the void.

Classes IPC  ?

• B29C 70/56 - Tensionnage des renforcements avant ou pendant le façonnage
• B28B 1/14 - Fabrication d'objets façonnés à partir du matériau par simple coulée, le matériau n'étant ni alimenté sous pression, ni réellement compacté
• E04G 21/12 - Montage d'éléments d'armatureApplication de la précontrainte
• B28B 7/28 - NoyauxMandrins
• E04G 15/04 - Ames pour trous d'ancrage ou analogues
• B29C 70/54 - Parties constitutives, détails ou accessoiresOpérations auxiliaires
• B28B 7/30 - NoyauxMandrins réglables, repliables ou extensibles
• E04C 5/12 - Dispositifs d'ancrage
• B28B 23/02 - Aménagements spécialement adaptés à la fabrication d'objets façonnés avec des éléments complètement ou partiellement enrobés dans le matériau de moulage dans lesquels les éléments enrobés sont des renforcements

Abrégé

A barrier cable anchor rail assembly is disclosed. The assembly is adapted to be encapsulated in a concrete column and engage a plurality of cables to provide a barrier between successive columns of concrete. The assembly includes a first rail member and a plurality of threaded connectors. The threaded connectors are adapted to be engaged by a chuck that includes cable grippers adapted to engage one of the cables. The threaded connectors can be attached to the first rail member in the same orientation with a predetermined spacing between the central axis of the plurality of threaded connectors. The first rail member maintains the orientation and predetermined spacing of the threaded connectors and provides support to the concrete column in which it is encapsulated. A barrier cable assembly adapted to form a barrier between a first concrete column and a second concrete column is also disclosed.

Classes IPC  ?

• E04H 17/10 - Clôturage en fil métallique, p. ex. en treillage métallique caractérisés par la façon de fixer le fil aux poteauxTendeurs verticaux
• E01F 13/02 - Dispositions pour interdire ou limiter la circulation, p. ex. portes, barrières se tenant debout toutes seules
• E04G 21/32 - Mesures de sécurité ou de protection pour les personnes pendant la construction des bâtiments
• E04F 11/18 - BalustradesMains courantes

Produits et services

Non-metallic construction components; components for use in reinforcing concrete building elements; non-metallic post-tensioning components for use in setting newly poured concrete including chairs, bolsters, ducts, duct supports, anchors and duct couplers.

Produits et services

Plastic ducts for encapsulating and receiving post-tension metal cables in multi-strand post-tension construction of concrete structures

Produits et services

Non-metallic construction components; corrosion protection components for use in reinforced concrete building elements; components for use in reinforcing concrete building elements; non-metallic post-tensioning construction components, including chairs, bolsters, ducts, seals for corrosion-protection tubes, duct supports, anchors, and duct couplers.

Produits et services

Hand tools, namely, sheathing strippers for removing the coating from a cable

Produits et services

non-metallic post-tensioning construction components, namely, chairs, bolsters, ducts, seals for corrosion-protection tubes, duct supports, anchors, duct couplers

Produits et services

non-metallic post-tensioning construction components for use in setting newly poured concrete, namely, chairs, bolsters, ducts, duct supports, anchors, and duct couplers

Produits et services

non-metallic post-tensioning construction components for use in setting newly poured concrete, namely, chairs, bolsters, ducts, duct supports, anchors, and duct couplers