Bottles and jars – Nursing bottles and nipples – With vent or valve for air
Patent
1995-07-12
1997-10-21
Weaver, Sue A.
Bottles and jars
Nursing bottles and nipples
With vent or valve for air
215 111, A61J 1102, A61J 1104
Patent
active
056787103
ABSTRACT:
A nursing bottle nipple having an outward mounting flange fastened to the neck of a nursing bottle by a bottle cap, a downward projecting tube perpendicularly extended from the outward mounting flange and projecting into the inside of the nursing bottle, a split on the closed bottom end of the downward projecting tube, and a longitudinal air intake hole longitudinally defined within the downward projecting tube and extended to the topmost edge of the outward mounting flange for guiding outside air into the nursing bottle through the split, the split being opened to let outside air enter the nursing bottle when the nipple is sucked by the baby, or closed to stop outside air from entering the nursing bottle and inside liquid from flowing out of the nursing bottle through the air intake hole when the baby stops sucking.
REFERENCES:
patent: 380835 (1888-04-01), Ware
patent: 1510571 (1924-10-01), Ware
patent: 2093730 (1937-09-01), Kurkjian
patent: 2365585 (1944-12-01), Paxman
patent: 2744646 (1956-05-01), Blackstone
patent: 2906088 (1959-11-01), Witz
patent: 4993568 (1991-02-01), Morifuji et al.
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