Container cap for drinking containers having a valve body insert with a deformable sealing lip
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United States of America Patent
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Jul 6, 2004
Grant Date -
N/A
app pub date -
Sep 14, 2000
filing date -
Mar 18, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
A container cap (2) for a drinking container (1) comprising at least one one-way drinking valve (3) adjacent at least one drinking opening (25), a cylinder-type closed valve seat (5) and a valve body (6) abutting the valve seat (5) in the closing position is proposed. The valve body (6) comprises a tubular sealing lip (7) made of an elastomeric material which in the closing position abuts on the valve seat (5) from within, and which is integrally connected with a base part (8). The base part (8) is part of a connecting body (17) which at the same time forms a base part (18) for an elastomeric, tubular valve body (19) of an air valve (4) which is slipped onto a tubular valve seat (20) in the region of at least one opening (26) of the container cap (2), whereby a one-piece, elastomeric valve body insert (23) is formed.
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