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US 2001/0033905 A1Published application
Absorbers for oils, solvents and coolants
OwnerRichard G. Middleton, Marion H. Lesesne IIIinventors
Life of this patent
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Abstract
An oil or solvent absorber in the shape of a sock or pillow made of needle punched polypropylene, melt blown polypropylene, or textiles such as cotton or cotton blends, either by stuffing scraps of material into a cover or rolling sheets and then covering them with a cover or by making a stack of layers of material and then covering the stack of layers with one of these materials.
Claims8
An oil and solvent absorber, comprising:
- a cover;
- and
- a stuffing encased within said cover, said stuffing made of melt-blown, needle punched polypropylene,
- said cover sealed with a lock stitch.
1 more element
An oil and solvent absorber, comprising:
- a cover made of polypropylene;
- and
- a stuffing encased within said cover, said stuffing made of polypropylene sheets.
An oil and solvent absorber, comprising:
- a polypropylene cover;
- and
- a stuffing encased within said cover, said stuffing made of melt-blown, needle punched polypropylene scraps.
Dependencies are inferred from the claim text.