Reusable wooden board formwork for pre=cast concrete unit

摘要

The formwork (1) consists of several factory produced pre-fabricated, extensible, robust section elements, which when joined together at an angle to one another maintain that angle during use. The formwork has at least two individual formwork elements (10,11), which are held firmly together by undercuts forming dovetailed joints (5). The formwork elements have an L-shaped cross section (2). The elements have spaced buttress-like bracing members (3) connected between them, e.g. using glued or dovetailed joints. The main elements can be connected at a defined angle, preferably 90 deg , to one another.