Bottles and jars – Nursing bottles and nipples
Patent
1995-01-05
1997-02-11
Weaver, Sue A.
Bottles and jars
Nursing bottles and nipples
215 114, 215308, 215390, 220371, 220372, A61J 900, A61J 1104, B65D 2304, B65D 3902
Patent
active
056011997
ABSTRACT:
A liquid dispenser having a closing member which is provided with an outlet opening for the dispensing of a liquid containing in the dispenser. In order to prevent the outlet opening from being blocked, a disc shaped filter member is provided which comprises a plurality of holes. The individual holes are smaller in diameter than the outlet opening. The filter member can be fixed to the dispenser in the region of its outlet opening by means of the closing member. In order to provide for a simple centering of the filter member on the dispenser, the filter member comprises a tapered circular rib running along its outer edge. Moreover, the filter member is provided with a plurality of notches along its peripheral edge to form a plurality of yielding tongues.
REFERENCES:
patent: 920791 (1909-05-01), Tonini
patent: 1041378 (1912-10-01), Tweeddale
patent: 2372281 (1945-03-01), Jordan
patent: 2438024 (1948-03-01), Stransky
patent: 2525745 (1950-10-01), Wycoff
patent: 3143429 (1964-08-01), Swanson et al.
patent: 3500831 (1970-03-01), Schaar
patent: 3567060 (1971-03-01), Ballin
patent: 4053648 (1977-10-01), Schmid et al.
patent: 4892209 (1990-01-01), Dorfman et al.
patent: 5211300 (1993-05-01), Hsing et al.
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