Abstract A disposable, portable water filter that is suited for filtering small quantities of drinking water. In one embodiment the filter may be placed over a jar or drinking glass and unfiltered water poured into the jar or glass through the filter. In another embodiment, the filter includes the jar which has a lid with a rim that fits tightly around the neck of the jar. The lid may have an opening for pouring unfiltered water into the jar and filtered water out from the jar. The lid may have an opening for pouring unfiltered water into the jar and filtered water out from the jar. The filter thereby provides twice the filtering effect. The filter in a preferred embodiment consists of containing material that forms a pouch for holding the filter medium and a skirt for suspending the filter. In another embodiment the filter may consist of one sheet of metal foil shaped like a bowl for containing the filter medium, and has handles extending from the bowl for holding the filter over a jar or drinking glass.
A portable disposable water filter comprising: a filter unit having a measured amount of filter medium; a pouch of containing material for containing the filter medium; a water container for containing filtered water having a mouth, a neck and a body; and means for suspending the filter unit in the mouth of the water container including a substantially circular skirt extending from said pouch of containing material; said filter unit further comprising: a larger sheet of containing material having a middle and a larger, substantially circular perimeter and an upper side; a second smaller sheet of containing material, said second sheet having a smaller, substantially circular perimeter, the second sheet attached along said second perimeter to the upper side of said first sheet of containing material, and leaving an outer part of said first larger sheet of containing material outside said smaller perimeter; said first and second sheets forming between them said pouch for containing the filter medium; and said outer part of said larger sheet forming said skirt.
Claim 2
Dependent Claim
169 words
A portable disposable water filter comprising: a filter unit having a measured amount of filter medium; a pouch of containing material for containing the filter medium; a water container for containing filtered water having a mouth, a neck and a body; and means for suspending the filter unit in the mouth of the water container including a substantially circular skirt extending from said pouch of containing material; said filter unit further comprising: a larger sheet of containing material having a middle and a larger, substantially circular perimeter and an upper side; a second smaller sheet of containing material, said second sheet having a smaller, substantially circular perimeter, the second sheet attached along said second perimeter to the upper side of said first sheet of containing material, and leaving an outer part of said first larger sheet of containing material outside said smaller perimeter; said first and second sheets forming between them said pouch for containing the filter medium; and said outer part of said larger sheet forming said skirt.
Claim 3
Dependent Claim
15 words
A water filter according to claim 1 wherein said filter medium comprises granulated, activated charcoal.
Claim 4
Dependent Claim
43 words
A water filter according to claim 1 wherein said larger sheet of containing material comprises metal foil, said metal foil shaped as a bowl having an upper rim, for containing filter medium, said bowl having perforations in the bottom for passing filtered water.
Claim 5
Dependent Claim
20 words
A water filter according to claim 3 further comprising handles extending radially away from said upper rim of the bowl.