Method and device for working a joint between two elements

Details Method and device for working a joint between two elements Method and device for working a joint between two elements

B - Operations, Transporting

05

D

B05D 3/12 (2006.01) B05C 9/12 (2006.01) B05C 17/005 (2006.01) B05C 17/10 (2006.01) B05D 5/06 (2006.01) B05D 7/16 (2006.01) B29C 65/54 (2006.01)

Patent

CA 2241928

In a joint between two elements (2, 3), where jointing compound (8) is applied in a bead along the joint, the bead of jointing compound is worked according to the invention into a predetermined cross-sectional shape by a cutting shaping tool (16) being moved along the bead and planing off an outer layer (19) therefrom, at the same time as the planed-off outer layer is removed by suction. A polyurethane-based sealant can be used with advantage as the jointing compound. A suitable tool consists of a suction nozzle (16) with a suction opening (17a) and a cutting implement (18) mounted on an edge thereof which can plane off and guide an upper layer of the jointing compound bead into the suction opening, to be taken away.

Dans un joint placé entre deux éléments (2, 3), le composé (8) du joint est appliqué sous forme d'un bourrelet, façonné selon une section transversale déterminée par un outil de coupe et de mise en forme (16) qu'on déplace sur ledit bourrelet, puis dont on rabote la couche supérieure (19) qui est simultanément éliminée par aspiration. On utilise avantageusement pour ce composé un mastic d'étanchéité à base d'un polyuréthane. Un outil approprié comprend un ajutage d'aspiration (16) doté d'un orifice d'aspiration (17a) et d'un instrument de coupe (19) monté sur un de ses bords et pouvant raboter la couche supérieure de ce bourrelet de composé pour joint et la guider dans l'orifice d'aspiration pour l'éliminer.

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