Pump nurser for expelling air from disposable liners

Details Pump nurser for expelling air from disposable liners Pump nurser for expelling air from disposable liners

1995-08-21

1997-12-23

Elkins, Gary E.

Bottles and jars

Nursing bottles and nipples

Collapsible liner or wall

215 115, 2223865, 222490, A61J 904

Patent

active

056999208

ABSTRACT:
The nurser is made of a resilient outer shell and a flexible liner. A nipple is attached to the upper end of the outer shell. The outer shell is squeezed to allow the pressure inside to increase and force air in the liner through the nipple. The nurser utilizes a one way valve on the outer shell to allow air into the shell when the pressure is released from the outer shell. This prevents the liner from expanding and air from reentering the liner.

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patent: 5356016 (1994-10-01), Wiedemann
patent: 5524783 (1996-06-01), Popoff

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