Brushing – scrubbing – and general cleaning – Implements – Fabric
Patent
1997-04-25
1999-03-30
Spisich, Mark
Brushing, scrubbing, and general cleaning
Implements
Fabric
152294, 152298, A47L 1320
Patent
active
058873112
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND
1. Field of the Invention
This invention relates generally to mop heads for cleaning floors, and more particulary to flat mop heads.
2. Discussion of Related Art
Numerous flat mop heads for cleaning floors are already known. The present invention relates in particular to wet mop heads, i.e. to mop heads suitable for the moist or wet cleaning of floors. These mop heads are expected to meet a number of requirements. They are expected to take up the cleaning liquid quickly, to transport it without dripping to the floor, to transfer it gradually to the floor and to take up the soiled cleaning liquid, the so-called dirty water, quickly. In addition, they are expected to take up a large amount of solid soil particles, to give off very little fluff and to glide easily over the floor. Since the mop heads are periodically washed at relatively high temperatures, they are also expected to be highly resistant to washing. Finally, the mop heads are expected to be inexpensive to make.
The cleaning-active side, i.e. the underneath of the cover panel, may consist of strands, loops, strips or tufts made of rayon, cotton, manmade fibers and blends thereof in various ratios. The wide range of flat mop heads available is explained by the large number of different requirements which, in general, cannot be optimally satisfied at the same time. If the cleaning-active side, i.e. the bottom of the cover panel, consists of strands, the cleaning performance of the mop head is high, but fluff is given off in large amounts and gliding behavior is poor. If mop heads with loops instead of strands are used, gliding behavior improves and less fluff is given off, but cleaning performance falls to an average level. If, on the other hand, the bottom of the cover panel consists of a sponge cloth or nonwoven material in the form of several strips arranged in rows adjacent one another, hardly any fluff is given off and cleaning performance is very high. Unfortunately, the gliding behavior of the mop head over the floor to be cleaned is poor. Strips such as these on the underneath of the cover panel are described, for example, in DE 38 09 279 C1.
The type of fibers used for the bottom of the cover panel also influences the cleaning result and the life of the mop heads. Although high absorbency is achieved with rayon, this material is unsuitable for frequent washing at relatively high temperatures. Although cotton is more stable to washing than rayon, its absorption capacity is lower. Particularly high resistance to washing and hence a very long useful life are achieved with the bottom of the cover panel being made of manmade fibers. Unfortunately, a mop head of manmade fibers has no absorption capacity.
For these reasons, a mop head according to DE 32 26 947 A1 has proved to be particularly suitable for practice. The mop head has two regions differing in the form of their textile covering. The middle region of the lower surface of the cover panel contains loops of a blend of manmade fibers and cotton. They are intended to take up the dirty water and soil dissolved therein. In addition, an encircling textile border of strands with open yarn ends which also consist of a blend of manmade fibers and cotton is arranged around the edges of the mop head. The strands are intended to take up solid soil particles by the so-called figure-of-eight wiping process in which only one of the two longer sides of the rectangular mop head is always to the front. A further increase in cleaning performance and useful life and a reduction in manufacturing costs would be of advantage.
The production of a flat mop head of the type described in DE 32 26 947 A1 is complicated. The cover panel, which is cut to size, has to be edged with binding to stop the edges of the cover panel from fraying. The binding is woven from polyamide and polyester, i.e. solely from manmade fibers. An encircling textile border of loops or strands with open yam ends is additionally attached to the binding. The provision of insertion pockets on the upper surface and of loops or strand
REFERENCES:
patent: 3761991 (1973-10-01), Moss
patent: 4426417 (1984-01-01), Meitner et al.
patent: 4961242 (1990-10-01), Kresse et al.
patent: 5066527 (1991-11-01), Newell
patent: 5397622 (1995-03-01), Thomas
Kresse Franz
Osberghaus Rainer
Henkel-Ecolab GmbH & Co. OHG
Jaeschke Wayne C.
Spisich Mark
Szoke Ernest G.
Watov Kenneth
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