WO2007139473A1 - Dishwashing member for a granule dishwasher - Google Patents
Dishwashing member for a granule dishwasher Download PDFInfo
- Publication number
- WO2007139473A1 WO2007139473A1 PCT/SE2007/000516 SE2007000516W WO2007139473A1 WO 2007139473 A1 WO2007139473 A1 WO 2007139473A1 SE 2007000516 W SE2007000516 W SE 2007000516W WO 2007139473 A1 WO2007139473 A1 WO 2007139473A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- plastic granules
- dishwashing
- plastic
- member according
- granule
- Prior art date
Links
- 239000008187 granular material Substances 0.000 title claims abstract description 39
- 238000004851 dishwashing Methods 0.000 title claims abstract description 27
- 229920000426 Microplastic Polymers 0.000 claims abstract description 78
- 239000000463 material Substances 0.000 claims description 35
- 229920003023 plastic Polymers 0.000 claims description 15
- 239000004033 plastic Substances 0.000 claims description 15
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 239000003599 detergent Substances 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 6
- 239000011324 bead Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000003086 colorant Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000005406 washing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- -1 weight Substances 0.000 description 1
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
- A47L15/00—Washing or rinsing machines for crockery or tableware
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
-
- 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
- A47L15/0094—Washing or rinsing machines for crockery or tableware cleaning with abrasive solid particles, e.g. by blasting the crockery with liquid containing granules
-
- 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
- A47L15/4297—Arrangements for detecting or measuring the condition of the washing water, e.g. turbidity
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/20—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought
- B08B9/38—Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought the apparatus cleaning by using scrapers, chains, grains of shot, sand or other abrasive means
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/37—Polymers
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/40—Dyes ; Pigments
-
- 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
- A47L2601/18—Liquid and granule
-
- C11D2111/14—
Abstract
A dishwashing member for a granule dishwasher, the member comprising plastic granules, where the member is provided with indicators, which provides the user of the granule dishwasher with wear information of the plastic granules.
Description
Dishwashing member for a granule dishwasher
AREA OF INVENTION
The present invention relates to a dishwashing member, and more specifically to a dishwashing member for granule dishwasher machines .
BACKGROUND OF INVENTION Granule dishwasher units or granule potwasher units are known per se. These dishwasher units use specially designed plastic granules or the like that are thrown with high impact together with a clean liquid and/or water towards the dish to be cleanded in order to clean the dish. EP-Bl-O 169 847 discloses such an apparatus and method.
Before the first use, the granule dishwasher machine is filled with an amount of the plastic granules. While the dishwasher machine is used, the plastic granules are exposed to wear and small pieces of the plastic granules will wear off. As a result, the amount of granules decreases and the washing effect deteriorates .
With maintenance of the granule dishwasher machines, granules may be added continuously or at frequent intervals. This may take place when the granule dishwasher machine is located in institutional kitchens, such as schools, hospitals, nursing homes etc., where the staff handling the dishwasher machine is experienced and competent .
Another group of granule dishwasher machine users are restaurants. Granule dishwasher machines used in restaurants may in many instances be not very well maintained, due to both the lack of experience and competence of the staff, but also due to the usage pattern of the granule dishwasher machines. The granule dishwasher machines in restaurants are sometimes used throughout the
day, seven days a week, whereas the granule dishwasher machines in institutional kitchens may be used once or twice a day, five days a week. In restaurants, the staff often dishes the dish twice in the granule dishwasher machine when the dishwashing efficiency deteriorates.
The user may use the granule collector/collectors for checking the amount of plastic granules left, if the user has installed a granule collector. Not every user has, however, invested in a granule collector or uses it, and need for that reason a tool for the indication of the plastic granule wear.
SUMMARY OF INVENTION
Accordingly, an object of the present invention is to mitigate, alleviate or eliminate one or more of the above- identified deficiencies and disadvantages singly or in any combination.
According to an aspect, there is provided a dishwashing member for a granule dishwasher machine comprising plastic granules, wherein the dishwashing member comprises wear indicators providing wear information of the plastic granules .
The information of the indicators may provide information about when to refill plastic granules into the granule dishwasher. In an embodiment, the wear indicators are formed by first and a second set of plastic granules. The first and the second set of plastic granules may have different physical characteristics, such as color, weight, plastic parts, wear resistance. The first and the second sets of plastic granules may comprise a filling material, wherein the filling material of the second set of plastic granules may be different from the filling material of the first set of plastic granules. The filling material may be a material selected from the group comprising: plastic, glass, glass beads, dishwashing detergent or any other suitable filling
material. The first set of plastic granules may be provided with a different color than the second set of plastic granules. The first set of plastic granules may be made of a single plastic material. The second set of plastic granules may comprise a core and a coating surrounding the core, and where the core and the coating may have different colours. The material of the coating may be less wear resistant than the material of the core. The first set of plastic granules and the core of the second set of plastic granules are made of the same plastic material.
In another aspect, there is provided a method of indicating the wear of plastic granules in a granule dishwasher machine, using of a dishwashing member as described above.
BRIEF DESCRIPTION OF THE DRAWINGS
Further objects, features and advantages of the invention will become apparent from the following detailed description of embodiments of the invention with reference to the drawings, in which:
Fig. 1 is a block diagram of a first embodiment of the invention.
Fig. 2 is a diagram similar to Fig. 1 of a second embodiment of the invention. Fig. 3 is a diagram similar to Fig. 1 of a third embodiment of the invention.
Fig. 4 is a diagram similar to Fig. 1 of a fourth embodiment of the invention.
DETAILED DESCRIPTION OF EMBODIMENTS
The principles of granule dishwashing or pot washing are based on washing using specially developed plastic granules with water and detergent. Before use, plastic granules are provided into the dishwasher machine; detergent is provided as a detergent dispenser dispensing
detergent as the need arises; and water is supplied via water pipes connected to the dishwasher. A forceful flow of water and plastic granules is diverted at high pressure over the pots through specially designed nozzles. When the plastic granules impact burnt and dried up food remains at high speed, the pots are literally scoured clean. This scouring action guarantees truly clean pots and pans. Food remains vanish without soaking or scrubbing by hand. After the mechanical treatment with the plastic granules, a washing cycle with only water follows. During the water flushing any remaining granules are rinsed off the pots and the pans.
The washing cycle ends with a final rinse with clean water. The final rinse may take place at a high temperature. The time, flow and temperature of the rinse water are controlled to ensure a hygienic result.
Depending on the amount of remaining plastic granules and the supplied detergent, the quality or the efficiency of the dishwashing varies. The plastic granules are mechanically worn during the use, and after roughly 2000-
2500 dishes, the amount of granules may be reduced by up to 30%.
To provide the user of the granule dishwasher with information of the plastic granule wear and to inform the user about the need of refilling plastic granules into the granule dishwasher, the plastic granules are arranged with wear indicators, which will be explained below.
The granules or the granule components are made of an acetal polymer, POM, polyoxymethylenoxide . This material has been approved for use in connection with food and is not dangerous if ingested. Other plastic materials can also be used as the granule component as long as the material has been approved for use in connection with food and the material is not dangerous to man. The plastic granules have been developed to have the right shape and to be
sufficiently hard to remove all 'food remains effectively at the same time as being sufficiently soft so that they do not damage the dishes.
The granule wear indicator can be arranged in various forms, but the color of the plastic granules may be used as wear indicator. By having two sets of plastic granules filled into the granule dishwasher, the two sets of plastic granules can be colored differently and having different physical characteristics, plastic material, weight, plastic parts, wear resistance, etc. so that the two sets of plastic granules are worn differently, thus being an indicator of the plastic granule wear.
In a first embodiment shown in Fig. 1, the first set 12 of plastic granules, contained in a dishwasher machine 10, can e.g. be colored with a light blue color and the second set 11 of plastic granules can be colored with a dark blue color. Furthermore, the first set of plastic granules is made of a more wear-resistant plastic material than the second set of plastic granules. Thus, the dark blue colored plastic granules 11 will be worn faster and the user can easily use the relative amount of the two sets of colored plastic granules as the wear indicator of the plastic granules.
Accordingly, the relative amount of the two sets of colored plastic granules is an indication of the need to refill plastic granules. The refill of plastic granules is typically made of both the first and the second set of plastic granules, but adding relatively more of the dark blue colored plastic granules to restore the equal amount of the two sets of plastic granules. Only the second set of plastic granules, the dark blue colored granules, can also be refilled, but eventually the total amount of plastic granules will be lowered to a level where the efficiency of the plastic granules is too low.
The two sets of plastic granules can also be formed differently in such a way that the first set of plastic granules comprises a filling material, and the second set of plastic granules do not comprise a filling material or that the filling material of the two sets of plastic granules is not the same. The filling material can be any material from the group: plastic, glass, glass beads, dishwashing detergent or any other suitable filling material . The plastic granules can also be formed so that the filling material actually is a core of the plastic granule of a first color, which is surrounded by a coating, said coating having a second color different from the first color. The core and coating can either be made of the same plastic material or by different plastic materials. Any other combination of the above-mentioned embodiments is also possible.
The color of the plastic granules is not limited to the exemplified color, but can be any suitable color that easily provides an operator of the granule dishwasher with the best indication of the plastic granule wear.
The invention is not limited to the embodiments described above and shown on the drawings, but can be supplemented and modified in any manner within the scope of the invention as defined by the enclosed claims.
Claims
1. A dishwashing member for a granule dishwasher machine comprising plastic granules, characterized in that the dishwashing member comprises wear indicators providing wear information of the plastic granules.
2. A dishwashing member according to claim 1, wherein the information of the indicators provides information about when to refill plastic granules into the granule dishwasher.
3. A dishwashing member according to claim 1 or 2, wherein the wear indicators are formed by first and a second set of plastic granules.
4. A dishwashing member according to claim 3, wherein the first and the second set of plastic granules have different physical characteristics, such as color, weight, plastic parts, wear resistance.
5. A dishwashing member according to claim 3, wherein the first and the second sets of plastic granules comprise a filling material, wherein the filling material of the second set of plastic granules is different from the filling material of the first set of plastic granules.
6. A dishwashing member according to claim 5, wherein the filling material is a material selected from the group comprising: plastic, glass, glass beads, dishwashing detergent or any other suitable filling material .
7. A dishwashing member according to claim 6, wherein the first set of plastic granules is provided with a different color than the second set of plastic granules.
8. A dishwashing member according to any of claims 1 to 3, wherein the first set of plastic granules is made of a single plastic material.
9. A dishwashing member according to claim 8, wherein the second set of plastic granules comprises a core and a coating surrounding the core, and where the core and the coating have different colours.
10. A dishwashing member according to claim 8, wherein the material of the coating is less wear resistant than the material of the core.
11. A dishwashing member according to claim 10, wherein the first set of plastic granules and the core of the second set of plastic granules are made of the same plastic material.
12. A method of indicating the wear of plastic granules in a granule dishwasher machine, characterized by the use of a dishwashing member according to any of claims 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP07748180A EP2038397A4 (en) | 2006-05-26 | 2007-05-28 | Dishwashing member for a granule dishwasher |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0601158-9 | 2006-05-26 | ||
| SE0601158A SE0601158L (en) | 2006-05-26 | 2006-05-26 | Detergent composition for granular dishwashers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2007139473A1 true WO2007139473A1 (en) | 2007-12-06 |
Family
ID=38653279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/SE2007/000516 WO2007139473A1 (en) | 2006-05-26 | 2007-05-28 | Dishwashing member for a granule dishwasher |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2038397A4 (en) |
| SE (1) | SE0601158L (en) |
| WO (1) | WO2007139473A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010046473A1 (en) * | 2008-10-24 | 2010-04-29 | Gs Development Ab | Granule for dishwasher machines |
| US20160199960A1 (en) * | 2013-12-13 | 2016-07-14 | United Technologies Corporation | Abrasive tool indicator system, method and apparatus |
| SE543636C2 (en) * | 2019-04-18 | 2021-05-04 | Granuldisk Ab | Biodegradable granules for granule dishwashers and a method for producing biodegradable granules |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1151906B (en) * | 1960-08-13 | 1963-07-25 | Wilhelm Lepper Dr Ing | Dishwashing facility |
| EP0169847B1 (en) | 1983-03-24 | 1988-07-13 | Granuldisk Ab | Method in a cleaning machine and a cleaning machine for working the method |
| US4804488A (en) * | 1984-03-27 | 1989-02-14 | Arne Alvemarker | Blasting bodies adapted for cleaning utensils in dish-washing machines |
| US5789535A (en) * | 1995-03-28 | 1998-08-04 | Arts; Theo J. C. | Method of preparing polymer granules |
| US20030073604A1 (en) * | 2001-04-04 | 2003-04-17 | The Procter & Gamble Company | Detergent product |
| US20030129717A1 (en) * | 2001-06-22 | 2003-07-10 | Becker Nathaniel T. | Highly impact-resistant granules |
| EP1431333A1 (en) * | 2002-12-20 | 2004-06-23 | Rohm And Haas Company | Process for preparing polymeric detergent additives |
| CN1565376A (en) * | 2003-06-12 | 2005-01-19 | 崔喜亮 | Bowl washing ball |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5906834A (en) * | 1992-06-15 | 1999-05-25 | The Gillette Company | Color changing matrix as wear indicator |
| US5340581A (en) * | 1991-08-23 | 1994-08-23 | Gillette Canada, Inc. | Sustained-release matrices for dental application |
| US5584767A (en) * | 1995-06-07 | 1996-12-17 | Columbia Industries, Inc. | Bowling ball finger insert having a wear indicator |
| US6513370B1 (en) * | 1998-04-17 | 2003-02-04 | Mark Helton | Wear indicator for sports balls |
| MXPA04010775A (en) * | 2002-05-02 | 2005-03-07 | Procter & Gamble | Detergent compositions and components thereof. |
| US20040116213A1 (en) * | 2002-12-06 | 2004-06-17 | Filosa Michael P. | Water-immersion indicator indicia and articles bearing such indicia |
-
2006
- 2006-05-26 SE SE0601158A patent/SE0601158L/en not_active IP Right Cessation
-
2007
- 2007-05-28 EP EP07748180A patent/EP2038397A4/en not_active Withdrawn
- 2007-05-28 WO PCT/SE2007/000516 patent/WO2007139473A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1151906B (en) * | 1960-08-13 | 1963-07-25 | Wilhelm Lepper Dr Ing | Dishwashing facility |
| EP0169847B1 (en) | 1983-03-24 | 1988-07-13 | Granuldisk Ab | Method in a cleaning machine and a cleaning machine for working the method |
| US4804488A (en) * | 1984-03-27 | 1989-02-14 | Arne Alvemarker | Blasting bodies adapted for cleaning utensils in dish-washing machines |
| US5789535A (en) * | 1995-03-28 | 1998-08-04 | Arts; Theo J. C. | Method of preparing polymer granules |
| US20030073604A1 (en) * | 2001-04-04 | 2003-04-17 | The Procter & Gamble Company | Detergent product |
| US20030129717A1 (en) * | 2001-06-22 | 2003-07-10 | Becker Nathaniel T. | Highly impact-resistant granules |
| EP1431333A1 (en) * | 2002-12-20 | 2004-06-23 | Rohm And Haas Company | Process for preparing polymeric detergent additives |
| CN1565376A (en) * | 2003-06-12 | 2005-01-19 | 崔喜亮 | Bowl washing ball |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP2038397A4 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010046473A1 (en) * | 2008-10-24 | 2010-04-29 | Gs Development Ab | Granule for dishwasher machines |
| US20160199960A1 (en) * | 2013-12-13 | 2016-07-14 | United Technologies Corporation | Abrasive tool indicator system, method and apparatus |
| US10569382B2 (en) * | 2013-12-13 | 2020-02-25 | United Technologies Corporation | Abrasive tool indicator system, method and apparatus |
| SE543636C2 (en) * | 2019-04-18 | 2021-05-04 | Granuldisk Ab | Biodegradable granules for granule dishwashers and a method for producing biodegradable granules |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2038397A4 (en) | 2010-07-07 |
| SE529654C2 (en) | 2007-10-16 |
| EP2038397A1 (en) | 2009-03-25 |
| SE0601158L (en) | 2007-10-16 |
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