Feeding bottle structure with value

Details Feeding bottle structure with value Feeding bottle structure with value

1986-12-17

1988-02-09

Price, William

Bottles and jars

Nursing bottles and nipples

With vent or valve for air

220DIG7, A61J 900, A61J 904

Patent

active

047236680

ABSTRACT:
A bottle with male threads on the outer bottom surface and a protruding surface on the base thereof; a silicon rubber layer provided with an elastic protrusion which has a slit on the top; a base casing with female threads on its inner surface and a minute vent centered thereon. The slit on the elastic protrusion remains closed in normal (non-suction) condition thereby, preventing the milk or liquid inside the bottle from dripping out. Once the bottle is inverted and the nipple is sucked, the slit opens a certain amount to let the air flow into the bottle. Thus, milk flows out of the nipple continuously during suction.

REFERENCES:
patent: 362554 (1887-05-01), Soydam
patent: 533726 (1895-02-01), McBride
patent: 2394722 (1946-02-01), Sloane
patent: 3134495 (1964-05-01), Carbonel
patent: 4010861 (1977-03-01), Welten

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