Title:
PRESSURE-ACTIVATED FLEXIBLE VALVE
Document Type and Number:
WIPO Patent Application WO2003021139
Kind Code:
B1
Abstract:
A pressure-activated flexible valve (10) for use with a container for dispensing fluid material. The valve (10) has a single sealing surface and comprises an inner component (12) having a sealing portion (22) and an outer component (14) having an annular rim (44) that seats against the sealing portion (22). The outer component (14) also has a flexible portion (40) that changes shape in response to pressure from the container material, thereby opening and closing the valve (10).
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Inventors:
JOHANSON JAMES
Application Number:
PCT/US2002/019120
Publication Date:
November 06, 2003
Filing Date:
June 14, 2002
Export Citation:
Assignee:
SONOCO DEV INC (US)
International Classes:
A61M39/00; B41J2/175; B65D47/20; B65D47/24; F16K7/17; F16K15/14; (IPC1-7): B65D25/40
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