EP3928672A1 - Étoffe de nettoyage dotée d'une double fonction de nettoyage - Google Patents

Étoffe de nettoyage dotée d'une double fonction de nettoyage Download PDF

Info

Publication number: EP3928672A1
Authority: EP; European Patent Office
Prior art keywords: cleaning; cloth; cleaning cloth; cloth according; pattern
Prior art date: 2020-06-23
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP21180682.3A

Other languages

German (de)

English (en)

Other versions

EP3928672B1 (fr

Inventor

Pieter Gerardus Antonius Maria VAN DER MAAS

Brian HAAKMEESTER

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Betjo Beheer BV

Original Assignee

Betjo Beheer BV

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2020-06-23

Filing date

2021-06-21

Publication date

2021-12-29

2021-06-21 Application filed by Betjo Beheer BV filed Critical Betjo Beheer BV

2021-12-29 Publication of EP3928672A1 publication Critical patent/EP3928672A1/fr

2023-01-25 Application granted granted Critical

2023-01-25 Publication of EP3928672B1 publication Critical patent/EP3928672B1/fr

Status Active legal-status Critical Current

2041-06-21 Anticipated expiration legal-status Critical

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Classifications

- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
- A47L13/16—Cloths; Pads; Sponges

Definitions

the present invention relates to a cleaning cloth having a dual cleaning function, wherein the cleaning cloth is comprised of a knitted consecutive base material having two different cleaning surfaces.
the present invention further relates to a cleaning article comprising the cleaning cloth and the use of the cleaning cloth for cleaning a surface and providing a dry and strike free finish.
cleaning cloths which serve for the cleaning of office furniture, vehicles, floors, restrooms or other surfaces.
Most cleaning cloths are microfiber cloths and many variations are available having different cleaning tasks, for example for dusting surfaces, cleaning windows and mirrors, and shining stainless steel.
important properties of a cleaning cloth are its durability, sliding properties and softness of the cloth.
An optimal cleaning cloth is flexible in both wet and dry conditions and durable over time, producing a smooth, dry and clean finish.
Microfiber cleaning cloths are generally comprised of a fiber having a linear density of one denier or less and are especially suitable for cleaning surfaces without the need for using additional cleaning agents, e.g. for picking up dust or dirt particles as well as the removal of oils and grease.
Such cloths are either woven, or non-woven or knitted.
a non-woven cleaning cloth is generally made of two sheets of non-woven fabric and a solid core material sandwiched between the two sheets. The two sheets are bonded to each other and the core material by bonding points which in time and due to its use during cleaning the outer layers become loose and weak leading to disintegration of the cleaning cloth resulting in a reduced cleaning functionality and durability of the cloth.
microfiber cleaning cloths exhibit a limited number of properties desirable for one specific cleaning purpose, such as the cleaning of a wet surface, but does not provide an optimal dry finish at the same time. Therefore, often another cleaning item or cloth having a smooth surface is being used that has the desired property for leaving a dry surface after cleaning.
Another example is the cleaning caked hard particles of a surface wherein often a scouring pad and/or a cleaning cloth using abrasive agent is needed to loosen the particles and clean the surface. After the first cleaning of the caked hard particles another cleaning item, such as a soft cleaning cloth is being used to provide for a clean finish.
the above object is met, according to a first aspect, by the present invention by a cleaning cloth having a dual cleaning function, wherein the cleaning cloth is comprised of a knitted consecutive base material having a surface A that differs from a surface B, wherein surface A comprises a three dimensional abrasive pattern and surface B comprises a homogenous terry-loop pattern.
the cloth of present invention compromises at least two different knitted cleaning surfaces on the same cloth while containing a functional coating on both sides of the fabric.
the abrasive geometric pattern cleaning surface in combination with the functional coating is very effective to remove (caked) dirt and debris, while the homogeneous terry cleaning surface of the cleaning cloth functions as a chamois-like cloth to absorb water and leave a streak-free surface after cleaning resulting is a clean and stain free surface.
the homogenous terry-loop pattern (also known as terrycloth or terry), is a fabric woven with many protruding long loops of thread, which can absorb large amounts of water. The length of loops determines how much fluid is absorbed by the cloth as longer loops provide more surface area to absorb and come in contact with the fluid. This terry loop pattern enables a clean and dry finish when using the cloth.
the problem of cleaning different surfaces and leaving a clean finish as mentioned above can be solved when using two or more cloths or cleaning products (i.e. one abrasive cloth and/or abrasive detergent and one smooth cleaning cloth for drying the surface and leaving a clean finish). Therefore for each cleaning action a further cleaning cloth or cleaning item is needed.
the cleaning cloth of present invention is comprised of one consecutive piece of base material that comprises two different cleaning surfaces, which provides separate cleaning action (i.e. dual functionality) in one cloth. This is also preferably looking at waste (one cloth instead of two).
the cloth is comprised of one piece of consecutive base material there is no need for connection points or laminar approach to provide at one side the terry cleaning surface and at the other side a cleaning surface comprised of a geometric abrasive pattern.
the consecutive base material improves the durability and physical properties of the cleaning cloth in comparison to the known laminated cleaning cloths.
the present invention relates to the cleaning cloth, wherein the three dimensional abrasive pattern is comprised of geometric structures, wherein one or more of the geometric structures have the shape selected from the group consisting of rice grain, coffee bean, waffle, stripe, chequer, sphere, cube, cuboid, torus, cylinder, cone, triangle, pyramid, prism, preferably rice grain, coffee bean or waffle.
the cleaning cloth of present invention is intended for the domestic and commercial cleaning industries.
the geometric structure can be any kind of pattern which functions as an abrasive structure, preferably rice grain, coffee bean or waffle.
the abrasive geometric pattern present on one surface of the cleaning cloth provides an optimal contact surface for cleaning dirty and/or cake surfaces, whereas on the other side of the cleaning cloth provides a smooth, soft terry pattern on the surface (chamois like) for an improved drying function, clean finish of the cleaning cloth.
the product makes cleaning for its users a lot easier. It may be advantageously to provide a cleaning cloth surface having a mixed pattern of abrasive geometric structures, i.e. by adding a second knitting pattern that provides a low drag with a first pattern having high abrasive cleaning efficiency.
the present invention relates to the cleaning cloth wherein the three dimensional geometric structures are a knitting of woven pattern of geometric structures knitted or woven into the base material or wherein the three dimensional geometric structures have been moulded, shaved or carved into the base material.
the geometrical structure can be created on several ways.
the geometrical structure is preferably created by a knitting technique where the 3D geometrical pattern is knitted in the structure, for example by jacquard knitting.
the geometrical pattern can also be created by shaving a knitted terry fabric on one side which causes a pattern due to high and low fiber areas or the geometric pattern can be created by knitting with two or more different yarns which causes a geometrical pattern and different terry-loop lengths.
the present invention relates to the cleaning cloth wherein the three dimensional geometric structures cover between 10% to 95%, preferably between 25% to 75%, more preferably 40% to 60% of the surface A of the cleaning cloth.
the present invention relates to the cleaning cloth wherein both surface A and surface B of the cleaning cloth are coated with a coating comprised of polyurethane (PU), latex, polyvinyl formal or polyvinyl alcohol (PVA).
PU polyurethane
PVA polyvinyl formal or polyvinyl alcohol
PU thermoplastic polyurethane
PVA polyvinylalcohol
the base substrate is impregnated with the polymer resin which is subsequently precipitated and then crosslinked thereby creating a microporous micro foam on both sides of the fabric.
the coating of the cleaning cloth of present invention on both sides results in a cleaning cloth having a coating layer with good drying capabilities and cleaning functionality and having improved durability.
the porous microfoam coating provides the textile advantageous properties such as producing a smooth, dry and clean finish on a wiped surface.
the present invention relates to the cleaning cloth wherein the coating does not change the three dimensional pattern of the surface A.
the abrasive character or functionality of the surface comprised of the geometric pattern should be maintained or even improved after coating of the surface, to safeguard the dual cleaning functionality of the cleaning cloth. Same holds for the terry surface where the water uptake and clean finish functionality of the cleaning cloth should remain intact after coating of the surface B.
the purpose of the coating is different on the individual sides. With the 3D structures of surface A the function is to improve the cleaning power of these abrasive structure because the coating provides an even more abrasive contact surface of the cloth. On the smooth plain side comprising a soft terry pattern on the surface (Surface B) the function is to provide a streak-free and dry finish.
the present invention relates to the cleaning cloth wherein the coating comprises less than 60% wt%, preferably less than 40 wt%, most preferably less than 35 wt% of the overall weight of the cleaning cloth.
the coating comprises more than 60% wt% of coating, a high volume of the space between and around the fibers in the cloth will be occupied by the coating polymer resulting in a stiff, less absorbent and less cleaning effective cleaning cloth.
more than 60% wt% of the cloth being coating will influence the three dimensional structure of the cloth, as a result losing the cleaning effectiveness of the three dimensional surface.
the present invention relates to the cleaning cloth wherein the knitted consecutive base material is comprised of microfiber material selected from the group consisting of polyester, polyamide, viscose, modified polyester, polyester blend fabric, polyamide blend fabric, polyacrylonitrile, triacetate, acetate, polycarbonate, polyolefins, polyethylene, polypropylene, polyvinyl chloride, glass fibers, and mixtures thereof, preferably polyester and/or polyamide
the present invention relates to the cleaning cloth wherein the cleaning cloth is comprised of the knitted or woven consecutive base material in the range from 150 to 400 g/m 2 , preferably 190 to 300g/m 2 , more preferably 230 to 280 g/m 2 .
the fabric weight is below 150 g/m 2 the weight of the cleaning cloth becomes too low to create sufficient height difference in the three dimensional geometric structure such that the abrasive properties and cleaning effectiveness of the three dimensional cloth will not be sufficient to achieve an improved cleaning efficiency.
the fabric density of the final cleaning cloth will be to high, resulting in a cloth that has a too thick feel and lead to reduced handling of the cloth, causing too much effort for the user to handle the cleaning cloth, such as folding and wring-out of the cleaning cloth.
the present invention relates to a cleaning article comprising a cleaning cloth of present invention.
the cloths may be used as part of a mop, or pad, or brush or sponge or laminate of another cloth.
the present invention relates to use of a cleaning cloth of present invention for cleaning a surface and providing a dry, and strike free finish.
a cleaning cloth according to present invention was tested and compared on cleaning effectiveness to general available, premium quality microfiber cleaning cloths; SORBO ® microfiber, VILEDA ® microfiber cloth, and SORBO ® SWITCH microfiber cloth (see below for more details).
the test is performed in a climate-controlled room and under atmospheric test conditions in accordance with ISO 139: 1973 Standard atmospheres for conditioning and testing
a dirt strip of 20 x 5 cm is applied to a mirror measuring 100 x 50 cm.
the dirt strip is a designated area positioned in the middle of the mirror and marked on the mirror with a waterproof marker.
On the dirt strip a contamination is applied and spread evenly over the entire dirt strip. This test uses four different types of contamination:
the damp cleaning cloth sample is placed on the mirror with surface A facing the mirror
the cleaning cloth sample is placed at least 5 cm in front of the dirt strip.
a hard block of polyamide plastic with a surface size of 280x80mm is then placed on the center of the cleaning cloth.
the weight of the block is 1120 grams.
the plastic block realizes a contact pressure of 5g / cm2 from the cloth to the mirror.
the cleaning cloth is connected to a linear actuator that sweeps the cleaning cloth at a speed of 30mm / over the soiling strip (x-direction) without changing the y-direction.
the test is repeated with the same cleaning cloth and with the same side A and unchanged cloth positioning, until the contamination of the glass plate has been removed.
the number of passages is counted and represents the "cleaning efficiency". The lower the number of passes, the better the effectiveness of the cloth is to remove dirt from a surface.
the cleaning cloth is turned over with a clean side B of the cloth facing the mirror. Now the cleaning cloth is passed over the mirror again by means of the actuator in order to obtain a shiny result. After this last pass, it is measured how fast the mirror is completely dry. The time that is needed for the mirror to completely dry up , is called “wipe-ability" (seconds). The lower the wipe-ability, the less moisture and residue are left behind by the cloth on the glass plate which in turns leads to a cleaner result.
the cleaning cloth is individually washed once in a Miele domestic washing machine, at 40 degrees Celsius (normal white wash program), without using any detergent.
the cleaning cloth is then air dried until it feels completely dry. After it has completely dried, the cleaning cloth is cut to size 30x30cm.
the cleaning cloth is placed in demineralized water at 20 ° C for 1 minute after washing.
the cloth is then passed through a laboratory mangle in an unfolded form, with the rubber rollers set at a pressure of 2 kg / cm2 to obtain a damp cloth.
the cleaning cloth is now ready for the test.
the cloths are prepared as described above. A contamination is then applied to the marked dirt strip on the mirror as described in the test method. The following contaminations were used during the test.
a cleaning cloth such as described by this invention shows a better overall cleaning performance providing a dry and clean, streak-free finish.
the cloth of present invention has improved wipe-ability, leaving less moisture and residue behind leading to a cleaner end result. It has been clearly demonstrated that the cloth of present invention can achieve an improved cleaning result more efficiently than other microfiber cleaning cloths available on the market.

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Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)

EP21180682.3A 2020-06-23 2021-06-21 Étoffe de nettoyage dotée d'une double fonction de nettoyage Active EP3928672B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL2025885A NL2025885B1 (en)	2020-06-23	2020-06-23	Cleaning cloth having a dual cleaning function

Publications (2)

Publication Number	Publication Date
EP3928672A1 true EP3928672A1 (fr)	2021-12-29
EP3928672B1 EP3928672B1 (fr)	2023-01-25

Family

ID=72886117

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP21180682.3A Active EP3928672B1 (fr)	2020-06-23	2021-06-21	Étoffe de nettoyage dotée d'une double fonction de nettoyage

Country Status (2)

Country	Link
EP (1)	EP3928672B1 (fr)
NL (1)	NL2025885B1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH07289490A (ja) *	1994-04-28	1995-11-07	Duskin Co Ltd	水拭き用ワイピングクロス
US20120208416A1 (en) *	2011-02-16	2012-08-16	Interdesign, Inc.	Drying mat
US20160367103A1 (en) *	2015-02-27	2016-12-22	3M Innovative Properties Company	Multipurpose consumer scrubbing cloths and methods of making same

2020
- 2020-06-23 NL NL2025885A patent/NL2025885B1/en not_active IP Right Cessation
2021
- 2021-06-21 EP EP21180682.3A patent/EP3928672B1/fr active Active

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH07289490A (ja) *	1994-04-28	1995-11-07	Duskin Co Ltd	水拭き用ワイピングクロス
US20120208416A1 (en) *	2011-02-16	2012-08-16	Interdesign, Inc.	Drying mat
US20160367103A1 (en) *	2015-02-27	2016-12-22	3M Innovative Properties Company	Multipurpose consumer scrubbing cloths and methods of making same

Also Published As

Publication number	Publication date
EP3928672B1 (fr)	2023-01-25
NL2025885B1 (en)	2022-02-21

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