Stop for concrete formwork

E - Fixed Constructions – 04 – G

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E04G 17/00 (2006.01) E04G 17/06 (2006.01) E04G 17/14 (2006.01) F16B 19/14 (2006.01) F16B 43/00 (2006.01)

Patent

CA 2025923

A stop (1) for supporting a side of concrete form work (12) includes a deformable section in the form of a collapsible sleeve (2) with an end abutment (8). The sleeve is formed monolithically with the stop . A nail (13) with a head (13a) secures the stop to a concrete structure or component and when the nail is driven its head runs up against the abutment. If energy in excess of the amount needed to drive the nail in is present, the nail head striking the abutment axially collapses the sleeve and damage to the stop is avoided.

Une butée (1) pour appuyer le côté d'un coffrage à béton (12) comprend une section déformable sous la forme d'un manchon écrasable (2) avec un appui d'extrémité (8).Le manchon forme un tout monolithique avec la butée. Un clou (13) avec une tête (13a) assujettit la butée à un ouvrage ou un élément en béton et, quand on enfonce le clou, sa tête vient s'appuyer contre l'appui. S'il y a plus d'énergie que celle nécessaire pour enfoncer le clou, la tête du clou frappant l'appui écrase axialement le manchon et la butée ne subit pas de dommage.

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