PERFECCIONAMIENTOS EN LAS UNIDADES DE VALVULA PARA RECIPIENTES DE LIQUIDOS.

摘要

A valve unit fitted in the neck (26) of a liquid container (25) has a hollow plastics core element (1) supported within a metal housing which is assembled from two cup-shaped parts (12,13) provided with flanges (14,15) at their open ends which are welded together. The lower part (12) includes flow openings (19) and is adapted to support a flange (2) of the core element (1) while the upper part has a flange (20) which cooperates with valve member (11) and is surrounded by a sleeve (23) which secures the unit in the neck (26) of the container.