Abrégé

In a first aspect, the present invention relates to a concrete reinforcement bar coupler for coupling a first and second structural element, comprising a threaded post affixable to a first rebar, an adjustable seating head having an internally threaded aperture, an inner coupler member permanently affixable to an end of the second rebar and comprising an internal cavity adapted to receive an end of the threaded post therewithin, a bearing surface surrounding the internal cavity opening, and an enclosing coupler member being shaped to comprise an internal cavity sized to receive a portion of the inner coupler member therewithin and to slide freely along the threaded post and to encapsulate the adjustable seating head upon engaging with the inner coupler member. Also provided is a method of use of a coupler of the present invention.

Classes IPC  ?

• E04C 5/16 - Pièces auxiliaires pour armatures, p. ex. pièces de séparation, étriers
• E04B 1/21 - Liaisons spécialement adaptées aux dites pièces porteuses
• E04C 5/18 - Pièces auxiliaires pour armatures, p. ex. pièces de séparation, étriers en métal ou substantiellement en métal

Abrégé

Coupling apparatus (10) suitable for use with structural components, the apparatus having a main axis (X-X) and including a first coupler (20) and a second coupler (50), the couplers being adapted to be assembled together in an operable configuration, a locking arrangement (80) operable to lock the first and second couplers together in the operative configuration and an adjustment mechanism (75) operable so that the overall length of the apparatus in the direction of the main axis can be adjusted.

Classes IPC  ?

• E04C 5/06 - Éléments d'armature en métal, p. ex. avec des revêtements rapportés de haute résistance à la flexion, c.-à-d. s'étendant essentiellement dans trois dimensions, p. ex. poutres en treillis
• E04C 5/16 - Pièces auxiliaires pour armatures, p. ex. pièces de séparation, étriers
• E04B 1/41 - Dispositifs d'assemblage spécialement adaptés pour être noyés dans du béton armé ou de la maçonnerie
• F16B 7/18 - Assemblages de barres ou assemblages de tubes, p. ex. de section non circulaire, y compris les assemblages élastiques utilisant des éléments filetés

Abrégé

A self-centring compact coupler for lifting, jacking or pushing apart and positioning concrete elements via their reinforcement bars (rebar) having an adjusting coupler member screwed on a threaded post attached to one rebar to apply a lifting or pushing force against a non-adjustable seating stud with an integral seating head and centring protrusion fixed to a corresponding and opposite rebar. An enclosing coupler member is screwed on the adjusting coupler member to enclose and lock the seating head and couple the rebar. The unitary configuration of the seating stud and seating head reduces the number of parts. The centring facility negates need of large internal tolerances to accommodate rebar misalignment, thus substantially ensuring co axial transfer of force from the coupler to the rebar. The coupler is used to incrementally vary and accurately adjust the relative positions of the concrete elements to one another in the building process.

Classes IPC  ?

• E04C 5/16 - Pièces auxiliaires pour armatures, p. ex. pièces de séparation, étriers
• E04B 1/21 - Liaisons spécialement adaptées aux dites pièces porteuses

Abrégé

An apparatus for aligning and joining construction elements comprising threaded studs or bars protruding from opposing elements; interlocking members adapted to screw together associated with each of the opposed studs; an adjustment nut screwable on one of the studs wherein, the adjustment nut is screw jacked against one of the interlocking members to align the elements and then locked and encapsulated by screwing together the interlocking members. There can be additional stud or bar alignment means associated with the apparatus.

Classes IPC  ?

• E04C 5/16 - Pièces auxiliaires pour armatures, p. ex. pièces de séparation, étriers
• E04B 1/41 - Dispositifs d'assemblage spécialement adaptés pour être noyés dans du béton armé ou de la maçonnerie
• E04B 1/58 - Assemblages pour les constructions du bâtiment en général d'éléments de construction en forme de barre
• E04C 5/06 - Éléments d'armature en métal, p. ex. avec des revêtements rapportés de haute résistance à la flexion, c.-à-d. s'étendant essentiellement dans trois dimensions, p. ex. poutres en treillis

Abrégé

An apparatus for aligning and joining construction elements comprising threaded studs or bars protruding from opposing elements; interlocking members adapted to screw together associated with each of the opposed studs; an adjustment nut screwable on one of the studs wherein, the adjustment nut is screw jacked against one of the interlocking members to align the elements and then locked and encapsulated by screwing together the interlocking members. There can be additional stud or bar alignment means associated with the apparatus.

Classes IPC  ?

• E04C 5/16 - Pièces auxiliaires pour armatures, p. ex. pièces de séparation, étriers