Concrete dowel placement apparatus

Details Concrete dowel placement apparatus Concrete dowel placement apparatus

E - Fixed Constructions

01

C

E01C 11/14 (2006.01)

Patent

CA 2237651

A concrete dowel placement apparatus comprising a base member (12) and an elongate, tubular dowel receiving sheath (14) which is connectible to the base member (12). The base member (12) comprises an outer sleeve (16) having first and second ends, and an inner sleeve (22) which is disposed within the outer sleeve (16). Extending between the inner and outer sleeves is at least one reinforcement wall (30). Extending about the first end of the outer sleeve is a flange portion (18) which defines a generally flat back surface. The inner sleeve (22) defines an aperture (24) which extends from the second end of the outer sleeve to the back surface of the flange portion, and is sized to accommodate a fastener (26) such as a nail to facilitate the attachment of the base member (12) to a concrete form (28) subsequent to the abutment of the back surface of the flange portion (18) thereagainst.

L'invention porte sur un appareil de positionnement de goujon à béton comprenant un élément de base (12) et un fourreau tubulaire de forme allongée (14) logeant un goujon, pouvant être raccorder à l'élément de base (12). Ledit élément de base (12) comporte un manchon externe (16) possédant des première et seconde extrémités et un manchon intérieur (22) placé à l'intérieur du manchon extérieur (16), une paroi de renfort (30), au moins, étant disposée entre ces deux manchons. L'appareil comporte, vers la première extrémité du manchon extérieur, une semelle (18) constituant une face postérieure, de forme générale plate. Le manchon intérieur (22) définit une ouverture (24) partant de la seconde extrémité du manchon extérieur vers la face postérieure de la semelle dont la taille a été calculée pour prendre en compte la présence d'un élément de fixation (26) tel qu'un clou afin de faciliter le raccordement de l'élément de base (12) à un coffrage à béton (28) après le calage de la face postérieure de la semelle (18) contre ledit coffrage.

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