Patent · US Expired

Cleaning cloth

US4352846A · kind A · utility

11Cited by

4References

7Claims

0Family size

Assignee

Carl Freudenberg Firma · DE

Inventors

Michael Passler · Neusäß, DE
Bohuslav Tecl · Weinheim, DE
Rolf Schumacher · Marly, CH

Key dates

Filing date	Jan 26, 1981
Grant date	Oct 5, 1982
Priority date	—
Expiry date	Jan 26, 2001

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/24996
WIPO fieldFurniture, games
WIPO sectorOther fields

Abstract

A cleaning cloth for household and industrial use comprising a soft resilient needled nonwoven fabric having a plurality of rubber strips surmounting its top surface in the manner of relief, the height of the rubber strips being about 0.2 to 0.4 times their width but not more than about 0.5 times the thickness of the nonwoven fabric, the nonwoven fabric on its underside carrying a continuous layer of an open-pore latex foam which projects above the bottom surface and penetrates into the nonwoven to the extent of about 10 to 40 percent of the thickness of the nonwoven fabric.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.