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US 5,311,634 AGranted
Sponge cleaning pad
OwnerNicholas Androsinventor
Life of this patent
Estimating the term…
Abstract
Disc shaped cleaning pads for use on cleaning apparatus, consisting of a supporting core to which a sponge is affixed. The sponge is a microporous material made from a hydroxylated polymer, the physical properties of which can be modified in the chemical growing process.
Claims10
A disk shaped cleaning pad for use in combination with a cleaning apparatus, said cleaning pad comprising:
- a disk shaped core having opposed major surfaces, an axis of rotation extending through said major surfaces, and having a plurality of apertures extending therethrough;
- a first disk shaped sponge having projections integrally formed therewith and extending outwardly therefrom, affixed to one of said major surfaces;
- a second disk shaped sponge having projections integrally formed therewith and extending outwardly therefrom, affixed to said other of said major surfaces of said disk shaped core;
- and
- coupling means for coupling said cleaning pad to said cleaning apparatus, said coupling means including a bore extending axially through said disk shaped core at said axis of rotation, to be received about a rotatable shaft of said cleaning apparatus.
2 more elements
Improvement to a cleaning apparatus having driving means for rotating cleaning pads, and support apparatus for supporting a disk shaped article having a first and a second surface, said improvement comprising:
- a first and a second cleaning pad mounted on said driving means in opposed fashion for receiving said disk shaped article therebetween such that said first and second surfaces of said disk shaped article is adapted to be in cleaning engagement with said first and second cleaning pads respectively;
- said first and second cleaning pads each including;
- a disk shaped plate having opposed major surfaces, an axis of rotation extending through said major surfaces and having a plurality of apertures extending therethrough,
- a disk shaped sponge affixed to one of said major surfaces;
- and coupling means for coupling said cleaning pad to said driving means.
2 more elements
Dependencies are inferred from the claim text.