Device for applying toothpaste

Claim 1

A non-refillable applicator device for the application of toothpaste directly upon teeth for cleaning, polishing, or similar surface treatment thereof, comprising: an integrally formed tubular body of plastics material having a handle portion shaped and dimensioned so as to be capable of being grasped by two or more fingers of the hand and also defining interior space means and constituting a container of paste, said handle portion having a non-circular cross-section over the greater part of its length and the wall of said handle portion being thinner along the broad sides than along the narrower sides thereof; a conduit portion extending from said handle portion substantially in the direction of the length of the handle portion and being of tapering cross-section considerably less than the cross-section of said handle portion and of a length approximately corresponding to the distance between the incisors and the back molars of a human; a pointed nozzle portion forming outlet means for paste; a bent portion interconnecting said pointed nozzle portion and said conduit portion so that said nozzle portion is directed at an angle to the direction of extension of said conduit portion; the walls defining the conduit and nozzle portions of the tubular plastics body being comparatively thick in order to provide stiffness thereof, and the wall of the handle portion being comparatively thin in order to enable such to be compressed to permit paste to be expelled; and said nozzle portion having a triangular cross-section gradually decreasing in cross-section from said bent portion to an end thereof for outlet of paste.