Anchoring system for formwork struts comprising a male element with a seat for joining the head of a strut and at least one pin, the seat and the pin being configured so that when in use, the pin is perpendicular to the plane containing the two struts to be anchored together, the pin having a protuberance at the end, as well as a female element comprising a bar with a flat surface, said flat surface comprising a slot perpendicular to the longitudinal dimension of the bar, with a width smaller than that of the protuberance and at least one portion with a width larger than that of the pin, comprising an opening for the introduction of the pin in the slot in a position, such that when in use, the opening is located in a position lower than the slot and the pin is fastened in an upper area of the slot.

The present invention is a masonry veneer holding form liner, primarily in pattern shapes of mortar joints surrounding an assembly of placed masonry veneers, usually attach by screws or bolts, to the exterior face of a concrete/cementitious grid flow-through forming panel. Masonry veneers are placed into the masonry veneer holding form liner spaces. When concrete/cementitious material is poured into a vertical or horizontal oriented forming cavity the concrete/cementitious material flows through the grid openings of the grid forming panel's grid openings up to the interior face of the masonry veneer and up to the interior side of the masonry veneer holding form liner. After the concrete/cementitious material hardens the mortar joint pattern holding form liner is released from the exterior of the grid form, exposing the face of the masonry veneer and the concrete/cementitious poured material now representing the mortar joint between the masonry veneers.

A method for repairing a multi-sided structure protruding from a first surface. The method comprises mounting a retainer to the first surface, coupling a first brace connector component of a first brace to a first panel, coupling the first panel to a primary retainer connector component of the retainer, coupling a second brace connector component of the first brace to a secondary retainer connector component of the retainer, and introducing a curable material into the space between the first panel and the multi-sided structure, the first panel acting as at least a portion of a framework for containing the curable material until the curable material cures to provide a repair structure cladded, at least in part, by the first panel.

A joist for a formwork grid construction component system is disclosed. Typical joists (sometimes referred to as secondary beams) span a distance of approximately six feet (when fully connected). By strengthening the joist using an altered profile while maintaining interoperable external dimensions, the span distance may be increased. That is, by forming the joists with the disclosed profile, joists can be made longer (e.g., have an eight foot connected span) and maintain appropriate strength or even have an increased weight tolerance. Formwork grid systems are used in construction of buildings and other structures. Interoperability with existing components is maintained by the disclosed joist profile adhering to the same external functional form factor as existing joists. The external form factor being the same allows joists constructed in accordance with this disclosure to properly function with existing formwork grid construction components.

A drophead nut for use with formwork building components is disclosed. The disclosed drophead nut maintains standard outward dimensions to allow interoperability with existing systems. The hitting surface of the drophead nut is typically used to align a gap in the nut with a retention pin and thus allow the nut to drop. This in turn allows a mid-plate to fall releasing pressure on a beam (joist and/or main) to allow that beam to be removed. The impact surface of the disclosed drophead nut has been enlarged, reinforced, and possibly repositioned to increase leverage. The resulting drophead nut may allow for reduction in number of impacts on an impact surface to provide alignment of the gap and retention pin, and thus activate compression of the drophead nut.

A drophead nut for use with formwork building components is disclosed. The disclosed drophead nut maintains standard outward dimensions to allow interoperability with existing systems. The hitting surface of the drophead nut is typically used to align a gap in the nut with a retention pin and thus allow the nut to drop. This in turn allows a mid-plate to fall releasing pressure on a beam (joist and/or main) to allow that beam to be removed. The impact surface of the disclosed drophead nut has been enlarged, reinforced, and possibly repositioned to increase leverage. The resulting drophead nut may allow for reduction in number of impacts on an impact surface to provide alignment of the gap and retention pin, and thus activate compression of the drophead nut.

Various implementations described herein are directed to a formwork system. In one implementation, the formwork system includes aluminum extrusions and aluminum castings. The aluminum castings and the aluminum extrusions can be assembled by being pressed and riveted together.

A connector assembly (400) for connecting a pair of formwork panels (200) with each other is disclosed. The connector assembly (400) includes a base component (402) having an arm, a first opening (602) formed on the arm, and a locking portion (406) formed at an end of the arm and adapted to be removably inserted in a second opening formed by alignment of respective slots (204) of the pair of formwork panels (200). The connector assembly (400) further includes a handle component (404) adapted to be partially disposed in the base component (402) through the first opening (602) formed on the arm. The handle component (404) is adapted to be operated to rotate the arm such that the locking portion (406) is rotated within the first opening (602) to partially lock the base component (402) in the first opening (602) for connecting the pair of formwork panels (200).

A connector assembly (400) for connecting a pair of formwork panels (200) with each other is disclosed. The connector assembly (400) includes a base component (402) having an arm, a first opening (602) formed on the arm, and a locking portion (406) formed at an end of the arm and adapted to be removably inserted in a second opening formed by alignment of respective slots (204) of the pair of formwork panels (200). The connector assembly (400) further includes a handle component (404) adapted to be partially disposed in the base component (402) through the first opening (602) formed on the arm. The handle component (404) is adapted to be operated to rotate the arm such that the locking portion (406) is rotated within the first opening (602) to partially lock the base component (402) in the first opening (602) for connecting the pair of formwork panels (200).

The present disclosure provides a combined prefabricated reinforced concrete stair mold and a splicing method. The combined prefabricated reinforced concrete stair mold comprises a bottom mold platform (1), wherein an upper platform module (2), a tread module (3) and a lower platform module (4) which are spliced with one another are sequentially arranged on the upper surface of the bottom mold platform (1), and corner modules (5) are arranged between the upper platform module (2) and the tread module (3) and between the tread module (3) and the lower platform module (4); the tread module (3) comprises a tread upper surface mold (6) and a tread lower surface mold (7); and the tread lower surface mold (7) comprises a plurality of combined templates (8) formed by mutual splicing, and the tread upper surface mold (6) comprises a plurality of tread splicing pieces (9) formed by mutual splicing.