A bottle cap for a bird feeder

Details A bottle cap for a bird feeder A bottle cap for a bird feeder

A - Human Necessities

01

K

A01K 39/02 (2006.01) B65D 41/04 (2006.01)

Patent

CA 2645802

A bottle cap for fitting on a mouth of a bottle to form a bird feeder is disclosed. The bottle cap comprises a first chamber with an opening for receiving the mouth of the bottle and a bottom, wherein threads are provided on an inner wall of the first chamber so that the cap can be screwed onto the mouth of the bottle. A second chamber with a closed bottom is provided. An extension tube extends from the bottom of the first chamber at least partially into the second chamber, wherein liquid moves between the first and second chambers through the extension tube. At least one feeding port is provided in a side wall of the second chamber. At least one vent hole is provided in the second chamber for allowing air to be vented from the second chamber.

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