US3012262A - Washing machine for dishes - Google Patents

Washing machine for dishes Download PDF

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US3012262A
US3012262A US806268A US80626859A US3012262A US 3012262 A US3012262 A US 3012262A US 806268 A US806268 A US 806268A US 80626859 A US80626859 A US 80626859A US 3012262 A US3012262 A US 3012262A
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chamber
dishes
liquid
walls
manifold
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US806268A
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Mori Orlando
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    • 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
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • 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
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/0002—Washing processes, i.e. machine working principles characterised by phases or operational steps
    • 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
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
    • A47L15/16—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with rigidly-mounted spraying devices
    • 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
    • A47L2601/00—Washing methods characterised by the use of a particular treatment
    • A47L2601/20—Other treatments, e.g. dry cleaning

Definitions

  • the present invention uses abrasive bodies exerting a mechanical action for dirt removal.
  • the solid bodies are projected by jets of liquid detergents against all exposed sides of the dishes and then fall back to return into the washing cycle.
  • the machine for washing dishes includes a washing chamber wherein the dishes are arranged to be washed with the aid of solid bodies or granules capable of having a mechanical action of removal on the surfaces to be cleaned.
  • the bottom of the washing chamber includes downwardly inclined perforated walls or grids converging toward nozzle réelles, from which liquid detergent jets are projected against the dishes to be washed.
  • the perforated walls retain the abrasive solid bodies which roll on the walls to the nozzle réelles where they are impinged upon by the jets and projected against the dishes to mechanically act thereon. The abrasive bodies then fall down along the inclined walls, while the liquid is collected under the walls.
  • suitable means are provided in the chamber capable of performing a yfinal washing with onlyl a rinsing liquid.
  • Means are also provided to dry the dishes by circulation or jets of heated air.
  • the solid bodies may be metallic or rigid synthetic materials, or elastic materials, such as rubber incorporating abrasive materials like steel wool.
  • the shape of the granules is such that they are capable of rolling.
  • a nozzle orifice for the liquid jet capable of impinging and projecting the solid bodies, is located at the bottom of the converging perforated walls in the washing chamber.
  • the machine When the machine includes nozzles capable of forming liquid jets which impinge on the dishes for rinsing, they may be directed from the bottom towards the top of the chamber.
  • the rinsing nozzles may be raised with respect lto the grid bottom of the Washing chamberin such a way that the liquid jets for the rinsing do not impiuge on the solid bodies, which are collected on the bottom of the washing chamber.
  • FIG. l illustrates an outer lateral view
  • FIG. 2 illustrates a local section taken along the line Il-ll of FIG. 1 in an enlarged view
  • FIG. 3 illustrates a longitudinal section taken along the line III-III of FIG. 2;
  • FIG. 4 illustrates some examples of granules.
  • 1 indicates a generally cylindrical washing chamber which may be axially horizontal or vertical with an access door 2.
  • This door in the embodiment shown is in the front but it could be otherwise positioned.
  • the access opening should be such as to allow the easy introduction, in the interior of the washing chamber 1, of a grid framework 3 designed to contain the dishes to be washed with suitable supports in order to locate the dishes in the best positions to receive the upwardly directed Washing means.
  • Grid 3 may be introduced, for example, by sliding along slides in the Walls of the chamber 1.
  • the bottom of the chamber 1 is defined by two down- Wardly tand centrally convergent perforated walls 4.
  • the walls 4 are provided with passages which are smaller than the dimension of the bodies of a mass of granules or equivalent solid particles having any suitable shape, for example as pellets or one of those indicated in FIG. 4 or any other capable of easily rolling. These bodies may also have irregular contours, but should avoid passing through the openings in Walls 4.
  • the bodies 5 as indicated in FIG. 2 lie on the bottom of the chamber 1 on walls 4.
  • the dishes are introduced with support 3 into the chamber.
  • the chamber is then closed.
  • a certain amount of washing solution is placed in the tank 1l.
  • a violent projection of the liquid is produced by the pump 10 through the nozzles 7, directed from the bottom to the top oi the chamber, whereby the granules or bodies 5 retained in the bottom of chamber 1, over the walls 4 are projected by the liquid into the jets so as to move according to free trajectories towards and against the dishes on support 3.
  • the washing solution and the granules 5 lap all exposed surfaces of the dishes.
  • the washing solution produces a chemical washing action and the abrasive bodies 5 produce a mechanical action of dirt removal.
  • the bodies 5 then fall downwards.
  • the liquid passes down through the openings in walls 4. It collects at the bottom 1a and flows into the tank 11.
  • the solid particles 5 are retained by the walls 4 and roll until they again reach the jets from nozzles 7.
  • the projection of a liquid such as a detergent solution may also be effected by injecting through the nozzles 7 the liquid entrained by compressed air.
  • the washing liquid is accumulated in the separate tank 11 with respect to the washing chamber in order to avoid the forming of foam in said chamber; if the liquid does not form any foam it may be directly collected under the walls 4.
  • the solid particles or granules 5 are cleaned by this same detergent solution from dirt which they mechanically remove from the dishes.
  • a rinsing liquid In order to rinse the dishes, there may be provided a rinsing liquid through a conduit 13 which may be connected to the water distribution mains or may be supplied otherwise under pressure.
  • the rinsing liquid is either Water or a detergent solution and is at room temperature or appropriately heated.
  • the rinsing liquid passes through the manifold 14. Nozzles 15 are raised with respect to the orifices 7 and project into the chamber 1 Without entraining the granules or solid particles 5.
  • a manifold -16 provided with nozzles 17 may allow the input of an airstream or another pressurized gas.
  • the air or gas leaves from a conduit 18 connected to a compressor 19 driven by the same motor which provides the drive of the pump 10.
  • the dishes are thus dried in a ow of cold or Warm air.
  • a dish washing apparatus comprising a substantially closed casing having a dish washing chamber there- 3,01, ,eea
  • a dish washing apparatus comprising a substantially closed casing having a dish washing chamber therein, grid support means in said chamber for supporting a plurality of dishes to be washed therein, a tank for containing a liquid detergent, liquid discharge means extending from a bottom portion of the casing, valve means controlling said discharge Vmeans and selectively .discharging liquid to-said tank and to an external drain,
  • a manifold extending along a lower portion of said chamber, said manifold having a plurality of orifices defining washing nozzles turned towards an upper portion of said jected upwardly above said walls by the jets of liquid detergent to impinfge on and clean all exposed surfaces of dishes supported by said support means, and rinsing nozzles supplied with a rinsing liquid from a source independent of said tank and pump means, said rinsing nozzles having openings in said chamber spaced from said orifices and
  • a dish washing apparatus comprising a substantially closed casing having a dish washing chamber therein, grid support means in said chamber for supporting a plurality of dishes to be washed therein, a tank for containing a liquid detergent, liquid discharge means extending from a bottom portion of the casing, valve means controlling said discharge means and selective-ly discharging liquid toy said tank and to an external drain, a manifold extending along a lower portion of said chamber, said manifold having a plurality of oriflces defining washing nozzles turned towards'an upper portion of said chamber, pump means connected between said tank and said manifold for drawing liquid detergent from the tank and driving it into the manifold to form jets of liquid detergent passing through said orifices toward said grid support means, whereby ythe liquid detergent is recirculated through the chamber, inclined perforated walls extending
  • pump means connected between said tank and f said manifold for drawing liquid detergent from the tank and driving it into kthe manifold to form jets of liquid detergent ⁇ passing through said orifices toward said grid support means, whereby the liquidV detergent is recirculated through the chamber, inclined perforated walls extending from sides of said casing in said Vchamber downwardly and converging at said orifices of the manifold, said manifold being disposed parallel to said inclined perforated walls and to said sides of the casing, a plural- ⁇ ity of abrasive bodies disposed for lfree movement in said chamber, said bodies being located immediately above the manifold when at rest, said bodies being proand Vmeans in said chamber and spaced from said orifices forming rinsing liquid jets directed toward said grid support means for washing the liquid detergent and said bodies from the dishes.

Description

Dec. 12, 1961 o. MOR: 3,012,262
WASHING MACHINE FOR DISHES Filed April 14, 1959 Fig .1
l I unnnnnn nn 'nun Unzuununn nnnun'nnnnnnnnnuqn'gn nnnnngnguungngng 4 13 anun nuunu uuqn nun nnuu OMA/V00 Mom United States Patent Oilice 3,012,262 Patented Dec. 12, 1961 3,012,262 WASHING MACHINE FOR DISHES Orlando Mori, Via Benedetto Naldini 7, Tayarneile Valdipesa, Florence, Italy Filed Apr. 14, 1959, Ser. No. 806,268 Claims priority, application taly Apr. 21, 1958 3 Claims. (Cl. 15-3) The invention relates to a process and to a machine to efect the cleaning of dishes and the like for home uses, for shops and the like.
The present invention uses abrasive bodies exerting a mechanical action for dirt removal. The solid bodies are projected by jets of liquid detergents against all exposed sides of the dishes and then fall back to return into the washing cycle.
The machine for washing dishes according to the invention includes a washing chamber wherein the dishes are arranged to be washed with the aid of solid bodies or granules capable of having a mechanical action of removal on the surfaces to be cleaned. The bottom of the washing chamber includes downwardly inclined perforated walls or grids converging toward nozzle orices, from which liquid detergent jets are projected against the dishes to be washed. The perforated walls retain the abrasive solid bodies which roll on the walls to the nozzle orices where they are impinged upon by the jets and projected against the dishes to mechanically act thereon. The abrasive bodies then fall down along the inclined walls, while the liquid is collected under the walls.
In addition, suitable means are provided in the chamber capable of performing a yfinal washing with onlyl a rinsing liquid. Means are also provided to dry the dishes by circulation or jets of heated air.
The solid bodies may be metallic or rigid synthetic materials, or elastic materials, such as rubber incorporating abrasive materials like steel wool. The shape of the granules is such that they are capable of rolling.
A nozzle orifice for the liquid jet, capable of impinging and projecting the solid bodies, is located at the bottom of the converging perforated walls in the washing chamber.
When the machine includes nozzles capable of forming liquid jets which impinge on the dishes for rinsing, they may be directed from the bottom towards the top of the chamber. The rinsing nozzles may be raised with respect lto the grid bottom of the Washing chamberin such a way that the liquid jets for the rinsing do not impiuge on the solid bodies, which are collected on the bottom of the washing chamber. Y
The accompanying drawing diagrammatically illustrates an embodiment of the invention.
FIG. l illustrates an outer lateral view;
FIG. 2 illustrates a local section taken along the line Il-ll of FIG. 1 in an enlarged view;
FIG. 3 illustrates a longitudinal section taken along the line III-III of FIG. 2; and
FIG. 4 illustrates some examples of granules.
According to the accompanying drawing, 1 indicates a generally cylindrical washing chamber which may be axially horizontal or vertical with an access door 2. This door in the embodiment shown is in the front but it could be otherwise positioned. The access opening should be such as to allow the easy introduction, in the interior of the washing chamber 1, of a grid framework 3 designed to contain the dishes to be washed with suitable supports in order to locate the dishes in the best positions to receive the upwardly directed Washing means. Grid 3 may be introduced, for example, by sliding along slides in the Walls of the chamber 1.
The bottom of the chamber 1 is defined by two down- Wardly tand centrally convergent perforated walls 4. The walls 4 are provided with passages which are smaller than the dimension of the bodies of a mass of granules or equivalent solid particles having any suitable shape, for example as pellets or one of those indicated in FIG. 4 or any other capable of easily rolling. These bodies may also have irregular contours, but should avoid passing through the openings in Walls 4. The bodies 5 as indicated in FIG. 2 lie on the bottom of the chamber 1 on walls 4.
At the central lower portion of the chamber 1 between the two portions oi walls 4 there are provided other walls 6, having transversal edges, which form downwardly directed conical cavities from the chamber 1. Nozzles 7 open at the bottom of walls 6. These nozzles are in the form of holes which open into a single manifold 8. The manifold is fed by a delivery conduit 9 of a liquid pump 10. The liquid pump 1i? intakes the liquid from the collecting receptacle 1a underlying the walls 4 or from a tank 11 Where the liquid, draining under the Walls 4 and through a discharge pipe 12, is collected.
In operation of the apparatus, the dishes are introduced with support 3 into the chamber. The chamber is then closed. A certain amount of washing solution is placed in the tank 1l. A violent projection of the liquid is produced by the pump 10 through the nozzles 7, directed from the bottom to the top oi the chamber, whereby the granules or bodies 5 retained in the bottom of chamber 1, over the walls 4 are projected by the liquid into the jets so as to move according to free trajectories towards and against the dishes on support 3. The washing solution and the granules 5 lap all exposed surfaces of the dishes. The washing solution produces a chemical washing action and the abrasive bodies 5 produce a mechanical action of dirt removal. The bodies 5 then fall downwards. The liquid passes down through the openings in walls 4. It collects at the bottom 1a and flows into the tank 11. The solid particles 5 are retained by the walls 4 and roll until they again reach the jets from nozzles 7.
The projection of a liquid such as a detergent solution, may also be effected by injecting through the nozzles 7 the liquid entrained by compressed air.
The washing liquid is accumulated in the separate tank 11 with respect to the washing chamber in order to avoid the forming of foam in said chamber; if the liquid does not form any foam it may be directly collected under the walls 4. The solid particles or granules 5 are cleaned by this same detergent solution from dirt which they mechanically remove from the dishes.
In order to rinse the dishes, there may be provided a rinsing liquid through a conduit 13 which may be connected to the water distribution mains or may be supplied otherwise under pressure. The rinsing liquid is either Water or a detergent solution and is at room temperature or appropriately heated. The rinsing liquid passes through the manifold 14. Nozzles 15 are raised with respect to the orifices 7 and project into the chamber 1 Without entraining the granules or solid particles 5.
A manifold -16 provided with nozzles 17 may allow the input of an airstream or another pressurized gas. The air or gas leaves from a conduit 18 connected to a compressor 19 driven by the same motor which provides the drive of the pump 10. The dishes are thus dried in a ow of cold or Warm air.
The drawing only illustrates one embodiment of the invention which may be varied in form and arrangement without departing from the scope of the appended claims.
What I claim is:
l. A dish washing apparatus comprising a substantially closed casing having a dish washing chamber there- 3,01, ,eea
in, grid support means in said chamber for supporting a plurality of dishes to be washed therein, a tank for containing a liquid detergent, liquid discharge means extending from a bottom portion of the casing, valve means controlling said discharge means and selectively discharging liquid to said tank and to an external drain, a manifold extending along a lower portion of said chamber, said manifold having 'a plurality of orifices defining washing nozzles turned towards an upper portion of said chamber, pump means connected between said tank and said manifold for drawing liquid detergent from the tank and driving it intothe manifold to form jets of liquid detergent passing through said orifices toward said grid support means, whereby the liquid detergent is recirculated through the chamber, inclined perforated walls extending from sides of said casing in said chamber downwardly and converging at said orifices of the manifold, said manifold being disposed parallel to said inclined perforated walls and to said sides of the casing, a plurality of elastic bodies having abrasive material embedded therein disposed for free movement in said chamber, said bodies being located immediately above the manifold when at rest, said bodies being projected `upwardly above said walls by the jets of liquid detergent to impinge on and clean all exposed surfaces of dishes supported by said grid support means, and rinsing nozzles supplied witha rinsing liquid to complete cleaning of the dishes, said rinsing nozzles extending upwardly above lowermost portions of said walls and spaced from said orices to avoid entraining said bodies in the rinsing liquid as it leaves the rinsing nozzles and before it impinges on the dishes.
2. A dish washing apparatus comprising a substantially closed casing having a dish washing chamber therein, grid support means in said chamber for supporting a plurality of dishes to be washed therein, a tank for containing a liquid detergent, liquid discharge means extending from a bottom portion of the casing, valve means controlling said discharge Vmeans and selectively .discharging liquid to-said tank and to an external drain,
a manifold extending along a lower portion of said chamber, said manifold having a plurality of orifices defining washing nozzles turned towards an upper portion of said jected upwardly above said walls by the jets of liquid detergent to impinfge on and clean all exposed surfaces of dishes supported by said support means, and rinsing nozzles supplied with a rinsing liquid from a source independent of said tank and pump means, said rinsing nozzles having openings in said chamber spaced from said orifices and |forming jets of rinsing liquid in said chamber directed toward said grid support means for washing the liquid detergent and said bodies from the dishes.
3. A dish washing apparatus comprising a substantially closed casing having a dish washing chamber therein, grid support means in said chamber for supporting a plurality of dishes to be washed therein, a tank for containing a liquid detergent, liquid discharge means extending from a bottom portion of the casing, valve means controlling said discharge means and selective-ly discharging liquid toy said tank and to an external drain, a manifold extending along a lower portion of said chamber, said manifold having a plurality of oriflces defining washing nozzles turned towards'an upper portion of said chamber, pump means connected between said tank and said manifold for drawing liquid detergent from the tank and driving it into the manifold to form jets of liquid detergent passing through said orifices toward said grid support means, whereby ythe liquid detergent is recirculated through the chamber, inclined perforated walls extending |from sides of said casing in said chamber downwardly and converging at said orifices of the manifold, said manifold being disposed parallel to said inclined perforated walls and to said sides of the casing, a plurality of irregularly shaped bodies disposed for free movement in said chamber, said bodies being located irnmediately above the manifold when at rest, said bodies being projected upwardlyabove said walls by the jets of liquid detergent to impinge on and clean all exposed surfaces of dishes supported by said grid support means,
chamber, pump means connected between said tank and f said manifold for drawing liquid detergent from the tank and driving it into kthe manifold to form jets of liquid detergent` passing through said orifices toward said grid support means, whereby the liquidV detergent is recirculated through the chamber, inclined perforated walls extending from sides of said casing in said Vchamber downwardly and converging at said orifices of the manifold, said manifold being disposed parallel to said inclined perforated walls and to said sides of the casing, a plural- `ity of abrasive bodies disposed for lfree movement in said chamber, said bodies being located immediately above the manifold when at rest, said bodies being proand Vmeans in said chamber and spaced from said orifices forming rinsing liquid jets directed toward said grid support means for washing the liquid detergent and said bodies from the dishes.
References Cited in the iile of'this patent UNITED STATES PATENTS 1,040,477 Weiscopf Oct. 8, 1912 Y 1,414,634 Fassio May 2, 1922 1,662,144 Brunhoif .'Mar. 13, 1928 1,934,494 Gillespie Nov. 7,1933 2,189,761 McKenna YFeb. 13, 1940 2,508,999 'Hirsch May 23, 1950 2,561,631 Negri July 24, 1951 2,574,149 Kahn Nov. 6, 1951 2,599,110 Johnson June 3, 1952 2,893,408 Walker July 7, 1959
US806268A 1958-04-21 1959-04-14 Washing machine for dishes Expired - Lifetime US3012262A (en)

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126024A (en) * 1964-03-24 jellies
US3183120A (en) * 1961-09-09 1965-05-11 Toscana Ind Cucine Electrodome Method of washing dishes and the like
US3323159A (en) * 1964-12-10 1967-06-06 Gen Motors Corp Dishwasher with particle reclaiming
EP0057044A2 (en) * 1979-04-02 1982-08-04 Carl Göran Christer Mosell Cleaning machine
US4374443A (en) * 1979-04-02 1983-02-22 Mosell Carl G C Cleaning machine with particulate abrasive
US4493783A (en) * 1981-04-20 1985-01-15 Alcon Laboratories, Inc. Cleaning agent for optical surfaces
US4613379A (en) * 1981-04-20 1986-09-23 Alcon Laboratories, Inc. Cleaning agent for optical surfaces
US4670060A (en) * 1981-04-20 1987-06-02 Alcon Laboratories, Inc. Cleaning agent for optical surfaces
US4792414A (en) * 1981-04-20 1988-12-20 Alcon Laboratories, Inc. Cleaning agent for optical surfaces
US4801333A (en) * 1983-03-24 1989-01-31 Mosell Carl G Method of cleaning articles in a tank
US4977912A (en) * 1988-02-29 1990-12-18 Tokyo Tatsuno Co., Ltd. Finely pulverized component added in vehicle spray washing water and apparatus for recovering thereof
US5037484A (en) * 1981-04-20 1991-08-06 Alcon Laboratories, Inc. Cleaning agent for optical surfaces
US5056274A (en) * 1988-04-22 1991-10-15 Stern Leif E Device for cleaning vehicle wheels
US5601480A (en) * 1992-04-24 1997-02-11 Pw-System Ab Cleaning machine for treating goods with liquid and granules
US5667431A (en) * 1992-04-08 1997-09-16 Aktiebolaget Electrolux Dishwasher machine

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109480739A (en) * 2019-01-07 2019-03-19 山东格蓝科思清洗科技有限公司 Dish cleaning machine particle cleaning mechanism

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1040477A (en) * 1910-02-03 1912-10-08 Leopold Weiscopf Cleaning and sterilizing machine.
US1414634A (en) * 1919-10-13 1922-05-02 Fassio Julius Dishwashing machine
US1662144A (en) * 1922-05-25 1928-03-13 Brunhoff Mfg Company Bottle-washing apparatus
US1934494A (en) * 1928-10-09 1933-11-07 Gillespie Auto Laundry System Method and apparatus for cleaning and polishing automobiles
US2189761A (en) * 1936-02-17 1940-02-13 Mckenna Rott Equipment Corp Apparatus for washing hollow vessels
US2508999A (en) * 1944-07-29 1950-05-23 American Wheelabrator & Equipm Fluid drainage means for washing and rinsing machines
US2561631A (en) * 1944-12-27 1951-07-24 John A Negri Automatic glass washing and sterilizing machine
US2574149A (en) * 1944-03-03 1951-11-06 Leo M Kahn Article carrier for washing machines and tray therefor
US2599110A (en) * 1946-01-14 1952-06-03 Johnson Earl Royeroft Dishwashing machine
US2893408A (en) * 1955-04-12 1959-07-07 Willard R Walker Dish washers

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1040477A (en) * 1910-02-03 1912-10-08 Leopold Weiscopf Cleaning and sterilizing machine.
US1414634A (en) * 1919-10-13 1922-05-02 Fassio Julius Dishwashing machine
US1662144A (en) * 1922-05-25 1928-03-13 Brunhoff Mfg Company Bottle-washing apparatus
US1934494A (en) * 1928-10-09 1933-11-07 Gillespie Auto Laundry System Method and apparatus for cleaning and polishing automobiles
US2189761A (en) * 1936-02-17 1940-02-13 Mckenna Rott Equipment Corp Apparatus for washing hollow vessels
US2574149A (en) * 1944-03-03 1951-11-06 Leo M Kahn Article carrier for washing machines and tray therefor
US2508999A (en) * 1944-07-29 1950-05-23 American Wheelabrator & Equipm Fluid drainage means for washing and rinsing machines
US2561631A (en) * 1944-12-27 1951-07-24 John A Negri Automatic glass washing and sterilizing machine
US2599110A (en) * 1946-01-14 1952-06-03 Johnson Earl Royeroft Dishwashing machine
US2893408A (en) * 1955-04-12 1959-07-07 Willard R Walker Dish washers

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126024A (en) * 1964-03-24 jellies
US3183120A (en) * 1961-09-09 1965-05-11 Toscana Ind Cucine Electrodome Method of washing dishes and the like
US3323159A (en) * 1964-12-10 1967-06-06 Gen Motors Corp Dishwasher with particle reclaiming
EP0057044A2 (en) * 1979-04-02 1982-08-04 Carl Göran Christer Mosell Cleaning machine
EP0057044A3 (en) * 1979-04-02 1982-08-11 Carl Göran Christer Mosell Cleaning machine
US4374443A (en) * 1979-04-02 1983-02-22 Mosell Carl G C Cleaning machine with particulate abrasive
US4670060A (en) * 1981-04-20 1987-06-02 Alcon Laboratories, Inc. Cleaning agent for optical surfaces
US4613379A (en) * 1981-04-20 1986-09-23 Alcon Laboratories, Inc. Cleaning agent for optical surfaces
US4493783A (en) * 1981-04-20 1985-01-15 Alcon Laboratories, Inc. Cleaning agent for optical surfaces
US4792414A (en) * 1981-04-20 1988-12-20 Alcon Laboratories, Inc. Cleaning agent for optical surfaces
US5037484A (en) * 1981-04-20 1991-08-06 Alcon Laboratories, Inc. Cleaning agent for optical surfaces
US4801333A (en) * 1983-03-24 1989-01-31 Mosell Carl G Method of cleaning articles in a tank
US4977912A (en) * 1988-02-29 1990-12-18 Tokyo Tatsuno Co., Ltd. Finely pulverized component added in vehicle spray washing water and apparatus for recovering thereof
US5056274A (en) * 1988-04-22 1991-10-15 Stern Leif E Device for cleaning vehicle wheels
US5667431A (en) * 1992-04-08 1997-09-16 Aktiebolaget Electrolux Dishwasher machine
US5601480A (en) * 1992-04-24 1997-02-11 Pw-System Ab Cleaning machine for treating goods with liquid and granules

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