EP0042806A1 - Dispositif à récurer - Google Patents

Dispositif à récurer Download PDF

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Publication number
EP0042806A1
EP0042806A1 EP19810401015 EP81401015A EP0042806A1 EP 0042806 A1 EP0042806 A1 EP 0042806A1 EP 19810401015 EP19810401015 EP 19810401015 EP 81401015 A EP81401015 A EP 81401015A EP 0042806 A1 EP0042806 A1 EP 0042806A1
Authority
EP
European Patent Office
Prior art keywords
pad
foam
pores
paste
abrasive
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.)
Ceased
Application number
EP19810401015
Other languages
German (de)
English (en)
French (fr)
Inventor
André Amann
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.)
Creations De Prospection Et D'achats Ste
Original Assignee
Creations De Prospection Et D'achats Ste
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.)
Filing date
Publication date
Application filed by Creations De Prospection Et D'achats Ste filed Critical Creations De Prospection Et D'achats Ste
Publication of EP0042806A1 publication Critical patent/EP0042806A1/fr
Ceased legal-status Critical Current

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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
    • A47L17/00—Apparatus or implements used in manual washing or cleaning of crockery, table-ware, cooking-ware or the like
    • 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
    • A47L13/17—Cloths; Pads; Sponges containing cleaning agents

Definitions

  • the present invention relates to devices that can be used to clean household items, and more particularly to scour kitchen utensils.
  • these projects could not be followed by satisfactory achievements.
  • One of the reasons for this is that the abrasive material is consumed far too quickly compared to the life expectancy that one is entitled to expect from the sponge.
  • the present invention makes it possible to avoid these drawbacks by virtue of the fact that most of the abrasive action is reserved for a synthetic foam pad to which a reservoir of cleaning paste is added, allowing each sample to be taken a little of paste to impregnate the tampon.
  • the subject of the invention is a scouring device which comprises a pad of abrasive synthetic foam, with open pores, supported on a perforated wall of a tank of cleaning paste, containing an abrasive material with a particle size significantly smaller than the dimensions of buffer foam pores.
  • the pad of the device according to the invention advantageously consists of a polyurethane foam with exploded pores.
  • foams are known in themselves.
  • the pore bursting technique as described for example in US Patent No. 3,175,025, results in a product in which at least 90%, and of preferably at least 95% of the pores are open and in which the walls of these open cells are relatively rigid, much more than in a flexible foam.
  • the tampon may consist of a rigid type of foam, preferably based on polyurethane and with exploded pores, of thickness between 5 mm and 20 mm, of density on the order of 30 to 50 kg per m 3 and in which the cells or pores are of average dimensions, expressed for example by a number of 5 to 15 pores per linear centimeter.
  • the rigidity of the foam, useful for the scraping action ensured by means of the pad, can result, for example, in a compressive strength of the order of 30 to 40 kpascal to 40%.
  • the paste used in connection with such a pad, in a device according to the invention contains an abrasive powder, or possibly several abrasive powders of different natures, of relatively fine particle size, for example less than 500 microns. This allows the abrasive paste to play a polishing and polishing role, preventing scratches. From this point of view, it is possible in particular to use calcium carbonate and / or silica, with a particle size between 20 and 400 microns. An average particle size of the order of 30 to 100 microns is particularly advantageous.
  • the abrasive powder is formed in the form of a paste with a viscosity advantageously of the order of 2000 to 6000 and preferably 3000 to 4500 centistock at 20 ° C., in a binder which may in particular be a mineral binder such as magnesium silicate and / or an organic binder such as cellulose binders, and more particularly carboxymethylcellulose.
  • a binder which may in particular be a mineral binder such as magnesium silicate and / or an organic binder such as cellulose binders, and more particularly carboxymethylcellulose.
  • the dough also contains other additives which are in themselves conventional, in particular agents wetting agents, emulsifiers, brighteners, and water to adjust viscosity.
  • the proportion of abrasive powder which acts as a polishing agent is advantageously of the order of 40 to 80% by weight in the paste. If magnesium silicate (talc) or aluminum silicate is used as a binder, this has the advantage of simultaneously constituting a polishing agent.
  • a preferred paste contains for example from 40 to 70% and preferably 35 to 50% of calcium carbonate and / or silica, from 5 to 15% by weight of aluminum or magnesium silicate and from 15 to 25% by weight.
  • weight of emulsifying detergent the whole being in dispersion in water optionally added with approximately 0.5 to 5% by weight of cellulose binder.
  • a brightening agent such as glycerol stearate, in proportion of the order of 1 to 5% by weight
  • a dispersion stabilizer such as coconut diethanolamine
  • silica has a particle size of 20 to 80 microns and aluminum silicate having a particle size of less than 60 microns is used instead of magnesium silicate.
  • the compound known under the trade name SIPON is replaced by carboxymethylcellulose.
  • the calcium carbonate can be removed and replaced with silica and the magnesium silicate can be replaced more or less completely with carboxymethylcellulose.
  • the paste according to the preceding detailed composition has a kinematic viscosity of the order of 1200 cSk at 20 ° C. (test ASTM D445).
  • this paste is contained in the reservoir so that it can be consumed through the pad of synthetic foam, impregnating it at each use, but also so that this pad is easy to clean after use, without any disassembly.
  • the quantity of dough in the tank is advantageously of the order of 50 to 200 g initially.
  • the reservoir can have various shapes, while still retaining the advantage of being able to be easily held in the hand and of allowing the user to easily maneuver the tampon without getting his hands dirty or even getting them wet.
  • the reservoir containing the cleaning paste is closed by a perforated cover separate from the perforated wall which supports the tampon and distant from it so as to form an airlock through which it passes. the dough before impregnating the tampon.
  • the mounting of the buffer on the device can also be carried out advantageously by means of the perforated wall, snapped onto the reservoir, above the cover.
  • the device according to the invention is shown partially in vertical section, partially in external view.
  • the reservoir is formed by a container 1 of rigid or semi-rigid plastic material, here made of injected polypropylene, of cylindrical shape with a tight bottom. It may for example have a diameter of 55 mm and a height of 45 mm.
  • a cover 2 forcibly engaged.
  • this cover has a curved shape towards the outside, upwards in the figure, with however a periphery which rises along the side wall of the container 1 and which ends above this wall by a flange 4. It also comprises an orifice 5, in the axis of the device, which may for example have a diameter of the order of 5-8 mm.
  • the device Over the cover 2, the device comprises a perforated wall 3 which supports the pad 6.
  • the wall 3 is also curved outwards. It has an annular rim 7 which snaps into the rim 4 of the cover.
  • a crown 8 engaged on the wall 3, extends beyond, over its entire periphery.
  • the wall 3 has perforations, in particular in the case described, an orifice 9 in the axis, from 3 to 6 mm in diameter and four orifices 10 distributed around it, from 1 to 1.2 mm of diameter.
  • the buffer 6 is mounted on the reservoir via the crown 8 and the wall 3. On its periphery, it is turned around the crown 8 to be wedged between it and the periphery of the reservoir.
  • the wall 3 and the cover 2 can be made in one piece.
  • the pad 6 has a mushroom cap shape on the container 1, with a peripheral overflow which allows the pad to access all the parts of the scouring utensil.
  • the periphery of the crown can be made relatively flexible to increase this effect.
  • the space between the cover 2 and the upper wall 3 constitutes an airlock in which the cleaning paste penetrates by gravity through the orifice 5.
  • this paste dilutes and impregnates the tampon through the openings 9 and 10 and over its entire surface.
  • a suction effect of the diluted paste is created which can be further promoted if the support wall 3 is made of relatively flexible plastic.
  • the pad is produced by an 11 mm thick layer of polyurethane foam of the type sold under the name V10 by the company Reisgies, having a density of 35 kg / m 3 and a resistance to compression of 35 kpascal to 40% and comprising approximately 10 pores per linear centimeter. It is a foam formed in the presence of silicone oil from a polyester prepolymer. It has self-cleaning qualities which mean that after each use the tampon is easily rid of the excess cleaning paste by passage under water and that it remains clean after each use. But it enters the tank enough moisture to keep the dough always at the right screw cosity.
  • the pad is impregnated with an abrasive paste having essentially the same composition as that of the paste contained in the reservoir, but which is in the form of a mass to both solid and flexible which softens easily as soon as it comes into contact with water.
  • the paste of the specific composition indicated above can be made solid by a saponification reaction when a proportion of 10 to 30% of fatty acid such as stearin is added, the proportion being in relation to the solid components of the dough.
  • the invention is not limited to the particular nature of the polyurethane foam used, or to the particular composition of the cleaning paste, no more than to the form of reservoir described by way of example.
  • a cap of any desired material to constitute the surface of the tampon; for example, a metallic net easily clings to the surface of the tampon, to which it gives its own appearance and properties.

Landscapes

  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
EP19810401015 1980-06-25 1981-06-24 Dispositif à récurer Ceased EP0042806A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8014073A FR2485362A1 (fr) 1980-06-25 1980-06-25 Dispositif a recurer
FR8014073 1980-06-25

Publications (1)

Publication Number Publication Date
EP0042806A1 true EP0042806A1 (fr) 1981-12-30

Family

ID=9243486

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19810401015 Ceased EP0042806A1 (fr) 1980-06-25 1981-06-24 Dispositif à récurer

Country Status (2)

Country Link
EP (1) EP0042806A1 (OSRAM)
FR (1) FR2485362A1 (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0103818A1 (en) * 1982-09-21 1984-03-28 Miles Laboratories, Inc. Device for cleaning soil from soiled surfaces
WO1996033650A1 (en) * 1995-04-24 1996-10-31 S.C. Johnson & Son, Inc. Cleaning system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH280116A (fr) * 1949-10-26 1952-01-15 Mestral Gerard De Installation pour laver la vaisselle et les ustensiles de cuisine.
FR1243684A (fr) * 1959-12-24 1960-10-14 Dispositif pour le nettoyage d'articles ménagers
US3581447A (en) * 1969-04-21 1971-06-01 Colgate Palmolive Co Reversible scouring pad
FR2066293A5 (OSRAM) * 1969-10-23 1971-08-06 Roth Gmbh Chemische
GB1325295A (en) * 1971-05-07 1973-08-01 Ross J C Applicator for liquids
DE2504177A1 (de) * 1974-04-01 1975-10-09 Kores Holding Zug Ag Reinigungsgeraet

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH280116A (fr) * 1949-10-26 1952-01-15 Mestral Gerard De Installation pour laver la vaisselle et les ustensiles de cuisine.
FR1243684A (fr) * 1959-12-24 1960-10-14 Dispositif pour le nettoyage d'articles ménagers
US3581447A (en) * 1969-04-21 1971-06-01 Colgate Palmolive Co Reversible scouring pad
FR2066293A5 (OSRAM) * 1969-10-23 1971-08-06 Roth Gmbh Chemische
GB1325295A (en) * 1971-05-07 1973-08-01 Ross J C Applicator for liquids
DE2504177A1 (de) * 1974-04-01 1975-10-09 Kores Holding Zug Ag Reinigungsgeraet

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0103818A1 (en) * 1982-09-21 1984-03-28 Miles Laboratories, Inc. Device for cleaning soil from soiled surfaces
US4475835A (en) * 1982-09-21 1984-10-09 Miles Laboratories, Inc. Device for cleaning soil from oven surfaces
WO1996033650A1 (en) * 1995-04-24 1996-10-31 S.C. Johnson & Son, Inc. Cleaning system

Also Published As

Publication number Publication date
FR2485362A1 (fr) 1981-12-31
FR2485362B1 (OSRAM) 1984-02-24

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Designated state(s): BE DE FR GB IT SE

17P Request for examination filed

Effective date: 19820521

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18R Application refused

Effective date: 19840603

RIN1 Information on inventor provided before grant (corrected)

Inventor name: AMANN, ANDRE