Baby bottle air vent

Details Baby bottle air vent Baby bottle air vent

1992-07-20

1994-02-08

Shoap, Allan N.

Bottles and jars

Nursing bottles and nipples

With vent or valve for air

220304, 220367, 220374, A61J 1102

Patent

active

052842614

ABSTRACT:
An insert for a nursing bottle is disclosed. It is placed between the bottle and the nipple. The insert has a channel that communicates with the air passage holes in the nipple. The channel itself has air passage holes that are sized to allow air into the bottle but prevent the liquid in the bottle from exiting. This arrangement prevents the creation of a vacumn in the bottle when the liquid exits through the nipple.

REFERENCES:
patent: 2493380 (1950-01-01), Bailey
patent: 2525745 (1950-10-01), Wycoff
patent: 2557917 (1951-06-01), Schlesinger
patent: 2762520 (1956-09-01), Kurkjian
patent: 2811270 (1957-10-01), Kurkjian
patent: 3059797 (1962-10-01), Wilkinson et al.
patent: 3481500 (1969-12-01), Palma
patent: 3722728 (1973-03-01), Yazaki
patent: 3770154 (1973-11-01), Johnson
patent: 4094437 (1978-06-01), Hayashida
patent: 4488551 (1984-12-01), Connelly
patent: 4646945 (1987-03-01), Steiner et al.

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