Patent ID: 6830409
Filing Date: 2004-12-14
Classification: E01C

Abstract:
A tool head for use in depositing and forming on a subsurface, a plastic mass of concrete, said tool head having a leading edge and a trailing edge, said tool head to be moved along a predetermined path, leading edge first and the trailing edge trailing, to create a predetermined upper surface geometry in the plastic mass of concrete, said plastic mass of concrete hardening over time to form a concrete slab, said tool head comprising:a) a rigid tool head frame; b) a concrete delivery unit rigidly attached to the tool head frame and forming at least a portion of the tool head's leading edge; and c) a leveling element rigidly attached to the tool head frame and forming at least a portion of the tool head's trailing edge, and discharging concrete substantially transversely to and outside the predetermined path.