Building apparatus and method

Details Building apparatus and method Building apparatus and method

E - Fixed Constructions

04

G

E04G 23/02 (2006.01)

Patent

CA 2557408

A method of forming an opening in an existing brick wall comprises inserting at least one expandable element in the course of bricks above the top of the intended opening, to and expanding the element or elements to exert a horizontal force in the course of bricks. The tool comprises a pair of parallel pressure plates (20) and (21), a cam element (22) between the plates, ratchet lever means (25) for rotating the cam element, and ratchet and pawl means (24,27) for latching the cam element. Expansion plates (34) maybe used for wide joints.

L'invention porte sur un procédé de formation d'une ouverture dans un mur de brique existant, ce procédé consistant à insérer au moins un élément extensible dans la rangée de briques se trouvant au-dessus de la partie supérieure de l'ouverture prévue et mettre en expansion le ou les éléments de façon à exercer une force horizontale dans la rangée de briques. L'outil comprend une paire de plaques de pression parallèles (20) et (21), une came (22) placée entre les plaques, un levier à cliquet (25) destiné à faire tourner la came et un encliquetage (24,27) pour verrouiller la came. Les plaques d'expansion (34) peuvent être utilisées pour des joints larges.

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