ES294289U - Simplified valve. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Simplified valve, which is especially applicable to plastic bags, used as a means of filling and securing the load in the transport of goods, and is also disposable with the bag itself in which it is implanted, essentially characterized by being constituted to starting from the valve body, of revolution, which forms a kind of bushing provided with a wide perimetral flange, provided in turn with a step of great radial height and little depth, through which said flange adapts to the inner side of the bag and it is fixed thereto, by welding or by any other conventional means, with the collaboration of a washer of formal section and dimensionally coinciding with such staggering, it being provided that said valve body, through its embouchure corresponding to the inside of the bag, undergoes a slight strangulation and that the edge of the latter present in turn a small axial prolongation determinant d a valve seat with a sharp edge, a cylindrical head closely associated with the corresponding end of a stem implanted axially in the valve body, fitted with a perimetral groove in which a sealing gasket for receiving a seal, is housed snugly within said mouth. Incising on said seat and that is permanently projected against said seat by effect of a spring resting on the internal step defined by the throttling of the inner mouth of the body, and on a plurality of radial arms, existing at the end of the opposite stem to said sealing head, with the particular feature that the external mouth of the valvular body is assisted by a sealing plug and that said body extends internally, in correspondence with the breast of the bag, protective cap for the sealing head. (Machine-translation by Google Translate, not legally binding)