EP3920767A1 - Cleansing pad with a scouring portion and a scrubbing portion and production method thereof - Google Patents
Cleansing pad with a scouring portion and a scrubbing portion and production method thereofInfo
- Publication number
- EP3920767A1 EP3920767A1 EP20752493.5A EP20752493A EP3920767A1 EP 3920767 A1 EP3920767 A1 EP 3920767A1 EP 20752493 A EP20752493 A EP 20752493A EP 3920767 A1 EP3920767 A1 EP 3920767A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pad
- cleansing
- trademark
- rubber
- cleansing pad
- Prior art date
- 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.)
- Withdrawn
Links
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
-
- 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
- A47L17/00—Apparatus or implements used in manual washing or cleaning of crockery, table-ware, cooking-ware or the like
- A47L17/04—Pan or pot cleaning utensils
- A47L17/08—Pads; Balls of steel wool, wire, or plastic meshes
Definitions
- the present invention pertains to a flexible cleansing pad with a scouring portion and a scrubbing portion and to methods of its production.
- the pad is at least partially made of a flexible first material, characterized by at least one first portion made of the first material and characterized by a respectively low abrasivity.
- This portion is having elongated bristles-like flexible protrusions hence configured for scrubbing; integrated with the at least one first portion, at least one second portion made of the first material, incorporating a second material of respectively high abrasivity hence configured for scouring.
- RDA relative dentin abrasivity
- the RDA of the at least one second portion to the first portion ratio is optionally ranging between 3:1 to 1.5:1; 10:1 to 3:1; and 100:1 to 1.
- the tip is shaped in a manner selected from either concave or convex tip, flat-hat like tip, a tip with multiple forked or splintered heads, ball-like shape, coil-like tip, either smooth or texturized tip, sharp edge tip, or any combination thereof.
- the diameter of the bristle-like members, adjacent to their base, is optionally ranging from of about 0.5 mm to about 2.0 mm, and its length from base to tip is ranging from about 4.0 mm to about 14.0 mm.
- a foamed polymer such as polyurethane foam
- inorganic fillers biocides
- disinfectants and antiseptic agents including organic composition such as chlorohexidine and inorganic components including zinc, silver and oxides and salts thereof, color
- the first material is selected from a group consisting of polymeric elastomers, rubber, silicone, latex and a combination thereof.
- the elastomer is optionally selected from one or more members of a group consisting of unsaturated rubbers, including natural polyisoprene, cis-l,4-polyisoprene natural rubber and trans-l,4-polyisoprene gutta percha, synthetic polyisoprene, chloroprene rubber, poly vinyl chloride, polychloroprene, including commercially available Neoprene and Baypren products, butyl rubber and any other copolymer of isobutylene and isoprene, halogenated butyl rubbers, including chloro butyl rubber; bromo butyl rubber, styrene-butadiene rubber, nitrile rubber and any other copolymer of butadiene and acrylon
- substantially nonporous means a material being 80% to 100% nonporous
- substantially perpendicular means tilt ranging between 78 degrees to 108 degrees
- member substantially having a cube-like shape means a rectangular shape characterized by either or both one facet being up to 20% shorter or longer than other facets, and/or having one comer baring a tilt that is ranging from 78 degrees to 108 degrees.
- This portion is having elongated bristles-like protrusions hence configured for scrubbing; integrated with the at least one first portion, at least one second portion made of elastomer selected from rubber, silicon and latex, incorporating silicon carbide, aluminum oxide, Granit powder or the like characterized by moderate to high or moderate to very high RDA ranging in a scale of about 100 to about 250 hence configured for scouring.
- RDA dentin abrasivity
- the cleansing pad may require use of liquid soap or detergent solution as lubricants for scouring and scrubbing.
- the sucker is provided substantially perpendicular to pad's main plane.
- a cleansing pad as defined in any of the above, wherein the pad is comprising two or more layers; said at least one first portion is located in at least one first (top) layer, and said at least one second portion is located in at least one second (bottom) layer.
- a void volume is provided between said at least one first (top) layer and said least one second (bottom) layer; and further wherein said volume is configure to at least temporarily accommodate at least one of the following; a cleansing means and user-hand.
- a glove is an example of a pad having a void volume in which cleansing means as soap and/or user hand can be reversibly accommodated.
- the method characterized by steps as follows: compression (or injection) molding at least one scouring portion (34) so that at least one first shape (positive, 35) textured or crossed cavity lines is obtained. Removing access (36) material around the positive (35) so a shape (37) is provided. On bottom of shape 37, compression (or injection) molding at least one scrubbing portion (38) made of at least one first flexible material to at least one second shape that comprising elongated bristles-like protrusions (39) made of first flexible material of low abrasivity; thereby implanting said positive scouring portion with said first material 38.
- steps c and d are provided together in a single molding step on the item prepared according to steps a and b.
- a step of providing a sucker (40A) perpendicular to pad (38) and comprises a hanging hole (40B) is provided.
- Figures 1A-B illustrate in out of scale manner a cleansing pads according to an embodiment of the invention
- Figures 2A-C illustrate in out of scale manner a cleansing pads (from left to right: top, bottom & side views) according to yet another embodiment of the invention
- FIGS 3A-D describe and illustrate in out of scale manner cleansing pads according to another embodiments of the invention.
- references herein to“one embodiment” or an“embodiment” means that a particular feature, structure, or characteristics described in connection with the embodiment can be included in at least one embodiment of the invention.
- the appearances of the phrase “in one embodiment” in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
- the present invention discloses a cleansing pad for both scouring and scrubbing.
- the pad is inter alia made of, or otherwise comprises a flexible first material which is characterized by at least one first portion. This portion or portions is/are inter alia made of or otherwise comprises this first material and is characterized by a respectively low abrasivity.
- scouring also refers to a combination of scouring and polishing, e.g., for carefully scarping a burnt or scorched frying pan without damage it by using a too-scratchy scrubber like steel wool or etching it an ultra-strong cleanser.
- the term scrubbing also refers to washing cleaning and cleansing, e.g., for everyday manual dishwashing a kitchenware.
- This portion or portions is/are having two or more elongated bristles-like protrusions hence configured for scrubbing.
- number of the protrusions is ranging from about 2 to about 10 per cm .
- number of the protrusions is ranging from about 11 to about 20 per cm .
- number of the protrusions is ranging from about 21 to about 30 per cm 2 .
- number of the protrusions is ranging from about 31 to about 40 or more per cm .
- the number, size and shape of the protrusion is homogenous. According to another embodiment of the invention, the number, size and shape of the protrusion is heterogeneous.
- At least one second portion is integrated, implanted, connected, glued, weld, or otherwise interconnected with the aforesaid at least one first portion.
- This second portion is inter alia made of or otherwise comprises the first material, incorporating a second material of respectively high abrasivity, hence it is configured for scouring.
- a round scouring shape divided by a concentric cross, thereby having four segments, is an example of the same.
- Relative dentin abrasivity (RDA) DIN EN ISO 11609 is a method of measuring of the erosive effect of abrasives in toothpaste on tooth dentin. It involves using standardized abrasives compared against the test sample. The determination of this value is done by determining the activity while cleaning worn dentin which is radioactively marked by mild neutron irradiation. The values obtained depend on the size, quantity and surface structure of abrasive used in toothpastes.
- the cleansing pad as defined in any of the above comprises at least one first portion which is characterized by a low to moderate relative dentin abrasivity (RDA) ranging in a scale of about 10 to about 100 according to DIN EN ISO 11609.
- RDA relative dentin abrasivity
- the cleansing pad as defined in any of the above comprises at least one second portion which is characterized by a moderate to high to very high RDA ranging in a scale of about 100 to about 250 (namely, like still wool or sand paper)
- the cleansing pad as defined in any of the above is characterized in a manner that RDA the at least one second portion to the first portion ratio is ranging between 3:1 to 1.5:1, or alternatively between 10:1 to 3:1; or alternatively between 100:1 to 10:1 or alternatively between 1,000:1 to 100:1.
- the cleansing pad as defined in any of the above comprises bristle-like protrusions, each of which comprises a stem interconnected with the pad and a tip.
- the tip is shaped in a manner selected from either concave or convex tip, flat-hat like tip, a tip with multiple forked or splintered heads, ball-like shape, coil-like tip, either smooth or texturized tip, sharp edge tip, or any combination thereof.
- the at least one surface of the bristle-like protrusion is characterized by low to moderate RDA.
- it is characterized by moderate to high RDA.
- it is characterized by is characterized by high to very high value of the RDA scale.
- the diameter of the bristle-like protrusions, adjacent to their base is ranging from of about 0.5 mm to about 2.0 mm, and its length from base to tip is ranging from about 4.0 mm to about 12.0 mm.
- the at least one second abrasive portion containing, incorporated with, attached to, coated by, provided with to a slow release mechanism, reversibly affixed to, socked with, inorganic fillers, biocides, disinfectants and antiseptic agents, including organic composition such as chlorohexidine and inorganic components including zinc, silver and oxides and salts thereof, colorants, deodorants and small agents, odorants, UV blockers, primers and binding polymers and copolymers, enzymes, water softening salts, lubricants, demulsifiers, and any combination thereof.
- inorganic fillers biocides, disinfectants and antiseptic agents, including organic composition such as chlorohexidine and inorganic components including zinc, silver and oxides and salts thereof, colorants, deodorants and small agents, odorants, UV blockers, primers and binding polymers and copolymers, enzymes, water softening salts, lubricants, demulsifiers, and any combination thereof.
- the first material is selected from a group consisting of polymeric elastomers, rubber, silicone, latex and a combination thereof.
- the elastomer is selected from one or more members of a group consisting of unsaturated rubbers, including natural polyisoprene, cis-l,4-polyisoprene natural rubber and trans-l,4-polyisoprene gutta-percha, synthetic polyisoprene, chloroprene rubber, poly vinyl chloride, polychloroprene, including commercially available Neoprene and Baypren products, butyl rubber and any other copolymer of isobutylene and isoprene, halogenated butyl rubbers, including chloro butyl rubber; bromo butyl rubber, styrene-butadiene rubber, nitrile rubber and any other copolymer of butadiene and acrylonitrile, hydrogenated nitrile rubbers such as commercially available Therban and Zetpol products; saturated rubbers including ethylene propylene rubber, ethylene propylene diene rubber, a
- the first material, second material or both are substantially water sealed, namely nonporous, thus bacteriostatic, hygienic and prevents bacterial and other microorganism culture growth.
- the pad can be further sterilized in boiling water or in household microwave.
- the pad of the present invention is Kosher for use in Saturdays and holidays because it doesn't absorb water and it is not kneaded.
- the pad is provided in many colors, e.g., red for meat dishes and blue for milk dishes.
- abrasive particles selected from a group consisting of silicon carbide,
- the least one first portion made of elastomer or elastomers selected from rubber, silicon and latex, characterized by low to moderate relative dentin abrasivity (RDA) ranging in a scale of about 10 to about 100 according to DIN EN ISO 11609, the portion is having about 15 to about 45 elongated bristles-like protrusions per secure cm with dimensions, size and shape being substantially similar, hence configured for scrubbing.
- the at least one second portion is integrated with the at least one first portion.
- thermoplastic elastomer selected from rubber, silicon and latex, incorporating silicon carbide, aluminum oxide, Granit powder or the like characterized by moderate to high or moderate to very high RDA ranging in a scale of about 100 to about 250 hence configured for scouring.
- Thermoplastic rubbers are enabled to be injected, like EVA, PVC, PE etc.
- the at least one first portion is sharing the same plane with the at least one second portion.
- the at least one first portion is not sharing a same plane with the at least one second portion.
- the at least one first portion is laying on an opposite plane in respect to the at least second portion.
- the cleansing pad is selected from a group consisting of sink pad, scraping member, dish washing sponge, brushes, mops, cleansing sponge, scouring cloths, cleaning cloth, copper-cleaning means, kitchen cookware and service-ware (including pans, pots, stoves, ovens, grills and modules thereof), toilet and shower-room cleans-ware, garden and garage cleansing-ware and personal cleansing-ware (including hands and legs).
- the further comprising at least one sucker e.g., vacuum pad, vacuum nipple, vacuum cap etc.
- this sucker is provided substantially perpendicular to pad's main plane.
- the sucker is provided substantially parallel to pad's main plane.
- the 2D shape having a rectangular, circular or a shape of a known article of manufacture (including, inter alia, a flower shape, cross shape, an artistically designed shape, a face shape, shape of a palm of a hand, etc.).
- the 3D pad is having substantially a cube-like shape, a ball-like shape, or a shape of a known article of manufacture (including, inter alia, animal shape, car shape, kitchen-ware shape etc.).
- the pad comprises two or more layers.
- the at least one first portion is located in at least one first (top) layer
- the at least one second portion is located in at least one second (bottom) layer.
- a void volume or a plurality of volumes is/are provided between the at least one first (top) layer and the least one second (bottom) layer.
- this volume is configured by means of size and shape to at least temporarily accommodate at least one of the following, a cleansing means (including e.g., polishing materials, vinegar and antibacterial material) and cleaners-hand.
- one or more of the layers comprises one or more apertures, allowing a material accommodate within the layers to dissolve outside the layer.
- Compression molding is commonly utilized for cost effective production of rubber and silicone parts.
- Compression moulding is a method of moulding in which the moulding material, generally preheated, is first placed in an open, heated mould cavity. The mould is closed with a top force or plug member, pressure is applied to force the material into contact with all mould areas, while heat and pressure are maintained until the moulding material has cured. Silicone compounds needs also oven post cure to complete curing.
- the process employs thermosetting resins and binders in a partially cured stage, either in the form of granules, putty-like masses, or preforms.
- a method of producing a cleansing pad as defined in any of the above is disclosed.
- the method characterized by a step of compression molding at least one scouring portion made of both (i) at least one first abrasive material and (ii) at least one second flexible material, so that at least one first shape (positive) is obtained.
- a step of compression molding at least one scrubbing portion, made of the at least one second flexible material to at least one second shape that comprising (i) elongated bristles-like protrusions and (ii) at least one recesses fitting the positive in shape, size and location thereby incorporating the positive within the negative.
- Example I Reference is now made to figure 1A, illustrating a 3D sized cleansing pad (1) for both scouring and scrubbing.
- the pad made of a flexible first material, characterized by at least one first portion made of the first material (38) and characterized by a respectively low abrasivity.
- This rounded portion is having elongated bristles-like protrusions (not shown) hence configured for scrubbing.
- Integrated with this at least one first portion (38) is at least one second portion (35) made of the first material, incorporating a second material of respectively high abrasivity hence configured for scouring.
- first and second portions are laying on mutual plane.
- FIG. 1B illustrating a second pad were first and second portions are not laying on mutual plane but located on opposite planes.
- n and m are integer number being equal or greater than 1.
- n and m may range from 1 to 5, from 6 to 10, from 11 to 20 or more.
- FIG. 2A, B and C illustrating a top view (scrubbing surface on top), a bottom view (scouring surface 35, front view) and side view, respectively of a cleaning pad according an embodiment of the invention.
- This is a substantially flat pad (e.g ., 2D sized cleansing pad) useful for both scouring and scrubbing.
- This pad made of a flexible first material, characterized by at least one first portion made of the first material and characterized by a respectively low abrasivity. Fiber-like protrusions are provided on the scrubbing surface.
- heterogeneously shaped protrusions e.g., of two types, fiber-like or bristle-like respectively long protrusions (39 front) are provided in the peripheral portion(s) whilst either very short protrusions or even a flattened texture (39 back) are provided in center.
- FIG. 3A-D illustrating a top view (scrubbing surface on top), side view and a bottom view (scouring surface 35), respectively, of a cleaning pad (1) according an embodiment of the invention.
- Bristles-like protrusions 39 are provided in both surfaces.
- Fig. 3B and D schematically illustrate in an unsealed manner side views of two different embodiment of the invention.
- Example IV
- a method of producing a cleansing pad is disclosed (left side) and illustrated (right side).
- the method characterized by step of compression molding at least one scouring portion (34) so that at least one first shape (positive, 35) is obtained, this is a view of the front side.
- Another step is removing access (36) material around said positive (35) so a shape (37) is provided.
- scrubbing portion (38) On bottom (rear side) of shape 37, compression molding at least one scrubbing portion (38) made of at least one first flexible material to at least one second shape that comprising elongated bristles-like protrusions (39), thereby implanting said positive scouring portion with said first material 38, view of bottom side.
- Sucker (40A) is perpendicular to pad (38) and comprises a hanging hole (40B).
- Protrusions are shaped and sized in either homogenous or heterogeneous manner, and are selected from many sizes, textures, materials and shapes, e.g., an arrow like shape (39A), a column like shape (39B), a star-like ball tip (39C), a multi-filament tip (39D) and a hair/bristle/coil shape (39E).
- an arrow like shape 39A
- a column like shape 39B
- a star-like ball tip 39C
- 39D multi-filament tip
- 39E hair/bristle/coil shape
- the composition of the disc is prepared in open mill or internal mixer.
- a metered-dose multi cavity means are used.
- Disc is pressed for about 5 min at temperature range of about 150-180 degrees Celsius at about 200 Atm.
- discs are added to the cavities of eth main molding plate, and the carrying material is injected or pressed.
- intercrossing is provided for about 5 min at about 180 degrees Celsius at about 200 Atm.
Landscapes
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL264701A IL264701B (en) | 2019-02-06 | 2019-02-06 | Cleansing pad with a scouring portion and a scrubbing portion and production method thereof |
PCT/IL2020/050147 WO2020161718A1 (en) | 2019-02-06 | 2020-02-06 | Cleansing pad with a scouring portion and a scrubbing portion and production method thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3920767A1 true EP3920767A1 (en) | 2021-12-15 |
EP3920767A4 EP3920767A4 (en) | 2022-04-13 |
Family
ID=65910792
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20752493.5A Withdrawn EP3920767A4 (en) | 2019-02-06 | 2020-02-06 | Cleansing pad with a scouring portion and a scrubbing portion and production method thereof |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220167823A1 (en) |
EP (1) | EP3920767A4 (en) |
CN (1) | CN113365537A (en) |
IL (1) | IL264701B (en) |
WO (1) | WO2020161718A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11779185B2 (en) * | 2021-02-16 | 2023-10-10 | Munchkin, Inc. | Magnetic sponge assembly |
USD1022365S1 (en) * | 2022-06-03 | 2024-04-09 | Entegris, Inc. | Polyvinyl alcohol pad |
USD1027345S1 (en) * | 2022-06-03 | 2024-05-14 | Entegris, Inc. | Polyvinyl alcohol pad |
USD1022364S1 (en) * | 2022-06-03 | 2024-04-09 | Entegris, Inc. | Polyvinyl alcohol pad |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4023345C2 (en) * | 1990-07-23 | 1994-08-18 | Margarete Burkhardt | Device for cleaning surfaces |
US5408718A (en) * | 1993-09-14 | 1995-04-25 | Sadovsky; Shmuel | Combination cleaning pad |
US6453502B1 (en) * | 1998-12-22 | 2002-09-24 | Bishop Deforest | Universal cleaning and polishing pad |
CA2464415C (en) * | 2001-10-25 | 2012-06-19 | Higher Dimension Medical, Inc. | Scrub pad with printed rigid plates and associated methods |
US6783562B2 (en) * | 2002-05-22 | 2004-08-31 | Reemay, Inc. | Nonwoven abrasive composite |
US20060123573A1 (en) * | 2002-09-05 | 2006-06-15 | Rivera Maria Del Carmen M | Flocked substrates for use as scouring materials |
US20090032059A1 (en) * | 2007-08-03 | 2009-02-05 | 3M Innovative Properties Company | Cleaning material and method of cleaning a surface |
US20090106920A1 (en) * | 2008-12-24 | 2009-04-30 | Ashok Wahi | Scouring pad |
JP2013514159A (en) * | 2009-12-29 | 2013-04-25 | サンーゴバン アブレイシブズ,インコーポレイティド | How to clean the surface of household items |
CN106103077B (en) * | 2015-02-27 | 2018-06-12 | 3M创新有限公司 | Multi-purpose consumer shampoos cloth and its manufacturing method |
CA3011706A1 (en) * | 2016-01-19 | 2017-07-27 | 3M Innovative Properties Company | Consumer scrubbing article with stain release and method of making same |
-
2019
- 2019-02-06 IL IL264701A patent/IL264701B/en active IP Right Grant
-
2020
- 2020-02-06 CN CN202080005287.0A patent/CN113365537A/en active Pending
- 2020-02-06 US US17/428,971 patent/US20220167823A1/en active Pending
- 2020-02-06 EP EP20752493.5A patent/EP3920767A4/en not_active Withdrawn
- 2020-02-06 WO PCT/IL2020/050147 patent/WO2020161718A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
EP3920767A4 (en) | 2022-04-13 |
CN113365537A (en) | 2021-09-07 |
US20220167823A1 (en) | 2022-06-02 |
IL264701A (en) | 2019-03-31 |
WO2020161718A1 (en) | 2020-08-13 |
IL264701B (en) | 2020-07-30 |
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