Multi-component mixing capsule having an ejection device for the mixed compound, in particular for dental purposes

Abstract From the Canadian patent

Multi-component mixing capsule having an ejection device, in particular for dental purposes. A receptacle part forming a mixing chamber contains a piston which for its part comprises an accommodation chamber for a film container and a ram . To enable the ram to be pushed forward inside the piston in order to transfer the film container contents into the mixing chamber without the piston being displaced in the receptacle part , the piston is provided on a portion protruding rearwards beyond the receptacle park with a radial projection which is supported on the tool or on the rearward end face of the receptacle part . Support ends as soon as the ram has travelled the necessary distance in the …