A form for separating a concrete block and a method for separating a concrete block from the form. The formed concrete block remains stationary while the doors of the form are pulled away from the concrete block in order to more conveniently, efficiently, and safely obtain access to the formed concrete block for its removal.

The invention relates to a moulded part of a composite material comprising a main body (10) of polymer concrete or of reaction resin, which has at least one adhesion bonding surface (11) for adhesively bonding to an article, wherein the adhesive bonding surface (11) is detachably connected to a laminate layer (12) texturing the adhesive bonding surface (11).

A method and apparatus for forming a part having a cavity with a complex contour is presented. The molding apparatus comprises a mold cavity and a molding insert. The mold cavity is formed by a first mold portion and a second mold portion. The molding insert is within the mold cavity, wherein the molding insert has a forming surface, and wherein the molding insert is configured to move in more than one direction relative to the first mold portion.

Embodiments of a mold for making a retaining wall blocks are disclosed. The mold enables blocks to be made more quickly by enabling separation of each block from the mold housing when the block is cured sufficiently to enable separation. Once separated, the block can be permitted to fully cure away from the mold housing, while the mold housing is re-used to produce one or more other blocks. In one embodiment, among others, the mold has a movable bottom tray and a mold housing with at least one door. The mold housing has an opening designed to receive and introduce a fabrication material, such as concrete, into the cavity. Once a block is sufficiently cured, it is separated from the mold housing on the tray through the at least one door, and a new tray is inserted in the mold housing to make another block.

A retaining wall having a plurality of courses of retaining wall blocks including a first upper course and a second lower course. Each retaining wall block has opposed front and rear faces, opposed first and second side surfaces, and opposed and substantially parallel upper and lower surfaces, and at least one weight bearing pad extends from one of the upper and lower surfaces. The at least one weight bearing pad extends substantially from the rear face to the front face of the block. The weight bearing pads are the only areas of contact between the blocks in the first upper course and the blocks in the second lower course.

A pre-stressed concrete box culvert includes a three-sided culvert top section having a pre-stressed top slab, a first sidewall and a second sidewall. The first and the second sidewalls extend orthogonally from opposite ends of the pre-stressed top slab, and the first and the second sidewalls each include a free end that has at least one male or female connector. The pre-stressed concrete box culvert includes a three-sided culvert bottom section having a pre-stressed bottom slab and a third sidewall and a fourth sidewall. The third and the fourth sidewalls extend orthogonally from opposite ends of the pre-stressed bottom slab, and the third and the fourth sidewalls each include a free end that has at least one male or female connector to mate with the at least one corresponding male or female connector arranged at one of the respective free ends of the first and the second sidewalls.

Features for formliners to form a decorative pattern in a curable material and methods of using the same are disclosed. An improved formliner is disclosed with substantially seamlessly connecting components that reduces the need for using adhesives for interconnecting a plurality of formliners in a pattern. Further, the formliner is configured to reduce and/or substantially eliminate visible seams in order to create a more natural appearance in a finished product of the curable material.

The invention relates to an arrangement for casting concrete products, which comprises at least one central transfer wagon movable on a path on a center process line for moving the molds/mold tables from one work station for a process stage to another work station on a main level of the production process line, which work stations are located along the path of the central transfer wagon on at least at one side of the path of the center process line. At least one of the central transfer wagons of the arrangement comprises a lifting mechanism by which the molds/mold tables are liftable to at least one upper level.

A system of retaining wall blocks, a method of assembling a retaining wall block assembly, and a mold for manufacturing retaining wall blocks having adjustable engagement configurations.

A system of retaining wall blocks, a method of assembling a retaining wall block assembly, and a mold for manufacturing retaining wall blocks having adjustable engagement configurations.