초록 ▼

An automatic closure for elastically deformable, tube-like or bottle-like containers of pasty or liquid media has a dispensing opening (5), which is arranged in a front wall (3) of a hood cover and can be closed by an axially movable closing member (8). The closing member (8) is part of an elastic m

An automatic closure for elastically deformable, tube-like or bottle-like containers of pasty or liquid media has a dispensing opening (5), which is arranged in a front wall (3) of a hood cover and can be closed by an axially movable closing member (8). The closing member (8) is part of an elastic membrane wall (9) of an elastic, hood-like hollow body (10). This hollow body surrounds a ring wall (12) of a chamber (15), which is closed by a bottom (13), through which the medium flows and is provided with a ventilating channel. To make possible a sufficient suction ventilation of the container in a simple manner, the inner ring wall is surrounded by a second ring wall, which forms an annular groove (17) with the inner ring wall (12). The annular groove (17) has at least one axial ventilating opening (30, 31), which connects the ventilating channel (28,29) to the hollow space (27) surrounded by the second ring wall (16). The cylindrical wall section (11) of the hollow body (10) is provided with an elastic lip (32,33,34,35), which separates the ventilating opening (30,31) having the function of a one-way valve from the hollow space (27).

대표청구항 ▼

1. An automatic closure for an elastically deformable container having a dispensing neck for pasty or liquid media, comprising:a housing for attachment to the dispensing neck; a hood cover with a front wall defining a dispensing opening; a stopper closing member movable in the axial direction for cl

1. An automatic closure for an elastically deformable container having a dispensing neck for pasty or liquid media, comprising:a housing for attachment to the dispensing neck; a hood cover with a front wall defining a dispensing opening; a stopper closing member movable in the axial direction for closing an inside of the dispensing opening, the hood cover being arranged on said housing, said closing member comprising an elastic membrane wall with a hollow body of an elastic material as a whole and includes a substantially cylindrical wall section; an inner ring wall section with a chamber which is closed by a bottom surface, said substantially cylindrical wall section surrounding said inner ring wall section, said chamber being arranged within a hollow space of the housing, though which hollow space the media flows, and said chamber being connected to the environment through at least one ventilating channel, said at least one ventilating channel being arranged in a radial web, said radial web and connecting said inner ring wall to said housing; a second ring wall, said inner ring wall being surrounded by said second ring wall to form an annular groove with the inner ring wall, said annular groove having at least one axial ventilating opening connecting said ventilating charmel to said hollow space surrounded by said second ring wall, said substantially cylindrical wall section of said hollow body having an elastic lip separating said at least one ventilating opening from the hollow space, functioning as a on-way valve.