US20010032825A1 - Dish rack for a dishwasher - Google Patents

Dish rack for a dishwasher Download PDF

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Publication number
US20010032825A1
US20010032825A1 US09/801,764 US80176401A US2001032825A1 US 20010032825 A1 US20010032825 A1 US 20010032825A1 US 80176401 A US80176401 A US 80176401A US 2001032825 A1 US2001032825 A1 US 2001032825A1
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US
United States
Prior art keywords
dish rack
coating
frame
rack according
dishwasher
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.)
Abandoned
Application number
US09/801,764
Inventor
Guenter Hess
Heinz Scholten
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.)
Evonik Operations GmbH
Original Assignee
Degussa Huels AG
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 Degussa Huels AG filed Critical Degussa Huels AG
Assigned to DEGUSSA-HUELS AKTIENGESELLSCHAFT reassignment DEGUSSA-HUELS AKTIENGESELLSCHAFT ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HESS, GUENTER, SCHOLTEN, HEINZ
Publication of US20010032825A1 publication Critical patent/US20010032825A1/en
Assigned to DEGUSSA AG reassignment DEGUSSA AG CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: DEGUSSA-HUELS AKTIENGESELLSCHAFT
Abandoned 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
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/50—Racks ; Baskets

Definitions

  • the present invention relates to a dish rack for a dishwasher.
  • the dish racks in these dishwashers are customarily manufactured with frames made of steel wire.
  • the dish racks are usually coated with an anticorrosive made of organic polymers.
  • the color of the coating varies according to the design of the machine equipped with the rack and is produced by adding commercial pigments to the coating. Smooth surfaces are particularly preferred for the coating and are therefore generally customary, because the user assumes that no residual foreign matter will stick to these surfaces.
  • drops of water usually remain on the contact points where the dishes rest on the rack and do not vaporize easily. The dishes therefore remain wet. To vaporize these drops and dry the dishes quickly, it is necessary to increase vaporization energy. As a result, power consumption increases.
  • a dish rack for a dishwasher includes a frame and a coating covering the frame and configured to distribute water over a surface of the coating in a thin film.
  • FIG. 1 is a schematic view of a dish rack according to one embodiment of the present invention.
  • FIG. 2 is a cross-sectional view of the dishwasher rack shown in FIG. 1.
  • a dish rack according to the present invention ensures in a simple manner that the water running off the dishes, which collects as drops at the contact points between rack and dishes in conventional dish racks, distributes itself over the rack's surface and consequently vaporizes more easily. Also, a dish rack according to the present invention draws drops of water away from the contact points.
  • FIG. 1 is a schematic view of a dish rack according to one embodiment of the present invention and FIG. 2 is a cross-sectional view of the dishwasher rack shown in FIG. 1.
  • a dish rack 1 for a dishwasher 2 includes a frame 11 and a coating 12 covering the frame 11 .
  • the coating 12 distributes water over a surface of the coating 12 in a thin film. Consequently, the water is distributed uniformly as a film across the entire coated surface and vaporizes quickly with little addition of heat.
  • a dish rack includes a plastic coating which has an average roughness R z ⁇ 5 ⁇ m and which feels smooth nevertheless.
  • the peak-to-valley-height is measured in accordance with DIN 4768 using the Rodenstock RM 600 laser profilometer. The measurement is performed by scanning the surface with a laser beam. Mechanical detectors, such as the Perthometer M4P, display values that are too small.
  • the dish racks may be a wire frame coated with plastic.
  • the wire frame of the dish racks may be manufactured of a structural steel.
  • a dish rack according to the present invention is coated with a coating that distributes water in the manner described above.
  • a coating may be plastic, substantially polyamide or polyamide, and deposited by a plastic coating process. Such a coating may be deposited by a coating process such as one described in DE-OS 2050905, for example.
  • a dishwasher rack can be manufactured in a simple manner without any extra cost, improves its overall appearance, and ensure that the dishes will be dried without any noticeable energy expenditure.

Landscapes

  • Washing And Drying Of Tableware (AREA)
  • Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

A dish rack for a dishwasher, including a frame and a coating covering the frame and configured to distribute water over a surface of the coating in a thin film.

Description

    CROSS-REFERENCE TO RELATED APPLICATIONS
  • The present application claims priority to German Patent Application No. 200 04 244.0, filed Mar. 9, 2000. The contents of that application are incorporated herein by reference in their entirety. [0001]
    • BACKGROUND OF THE INVENTION
  • 1. Field of the Invention [0002]
  • The present invention relates to a dish rack for a dishwasher. [0003]
  • 2. Discussion of the Background [0004]
  • Dishwashers in the market feature at least one dish rack for holding and arranging the dishes, flatware and other items to be washed. The dish racks in these dishwashers are customarily manufactured with frames made of steel wire. Because of the risk of corrosion from the chemicals used in dishwashers, the dish racks are usually coated with an anticorrosive made of organic polymers. The color of the coating varies according to the design of the machine equipped with the rack and is produced by adding commercial pigments to the coating. Smooth surfaces are particularly preferred for the coating and are therefore generally customary, because the user assumes that no residual foreign matter will stick to these surfaces. When the washing is finished, drops of water usually remain on the contact points where the dishes rest on the rack and do not vaporize easily. The dishes therefore remain wet. To vaporize these drops and dry the dishes quickly, it is necessary to increase vaporization energy. As a result, power consumption increases. [0005]
    • SUMMARY OF THE INVENTION
  • According to one aspect of the present invention, a dish rack for a dishwasher, includes a frame and a coating covering the frame and configured to distribute water over a surface of the coating in a thin film.[0006]
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • A more complete appreciation of the invention and many of the attendant advantages thereof will be readily obtained as the same becomes better understood by reference to the following detailed description when considered in connection with the accompanying drawings, wherein: [0007]
  • FIG. 1 is a schematic view of a dish rack according to one embodiment of the present invention; and [0008]
  • FIG. 2 is a cross-sectional view of the dishwasher rack shown in FIG. 1.[0009]
    • DESCRIPTION OF THE PREFERRED EMBODIMENTS
  • The preferred embodiments will now be described with reference to the accompanying drawings, wherein like reference numerals designate corresponding or identical elements throughout the various drawings. [0010]
  • A dish rack according to the present invention ensures in a simple manner that the water running off the dishes, which collects as drops at the contact points between rack and dishes in conventional dish racks, distributes itself over the rack's surface and consequently vaporizes more easily. Also, a dish rack according to the present invention draws drops of water away from the contact points. [0011]
  • FIG. 1 is a schematic view of a dish rack according to one embodiment of the present invention and FIG. 2 is a cross-sectional view of the dishwasher rack shown in FIG. 1. [0012]
  • Referring to FIGS. 1 and 2, a [0013] dish rack 1 for a dishwasher 2 includes a frame 11 and a coating 12 covering the frame 11. The coating 12 distributes water over a surface of the coating 12 in a thin film. Consequently, the water is distributed uniformly as a film across the entire coated surface and vaporizes quickly with little addition of heat.
  • According to another embodiment of the present invention, a dish rack includes a plastic coating which has an average roughness R[0014] z≧5 μm and which feels smooth nevertheless. The peak-to-valley-height is measured in accordance with DIN 4768 using the Rodenstock RM 600 laser profilometer. The measurement is performed by scanning the surface with a laser beam. Mechanical detectors, such as the Perthometer M4P, display values that are too small.
  • In these embodiments, the dish racks may be a wire frame coated with plastic. For example, the wire frame of the dish racks may be manufactured of a structural steel. However, a dish rack according to the present invention is coated with a coating that distributes water in the manner described above. According to the present invention, a coating may be plastic, substantially polyamide or polyamide, and deposited by a plastic coating process. Such a coating may be deposited by a coating process such as one described in DE-OS 2050905, for example. [0015]
  • According to the present invention, a dishwasher rack can be manufactured in a simple manner without any extra cost, improves its overall appearance, and ensure that the dishes will be dried without any noticeable energy expenditure. [0016]
  • Obviously, numerous modifications and variations of the present invention are possible in light of the above teachings. It is therefore to be understood that within the scope of the appended claims, the invention may be practiced otherwise than as specifically described herein. [0017]

Claims (9)

What is claimed as new and desired to be secured by letters patent of the United States is:
1. A dish rack for a dishwasher, comprising:
a frame; and
a coating covering said frame and configured to distribute water over a surface of said coating in a thin film.
2. The dish rack according to
claim 1
, wherein said coating comprises a plastic having a surface roughness of Rz≧5 μm.
3. The dish rack according to
claim 1
, wherein said coating is configured to spread water.
4. The dish rack according to
claim 1
, wherein said coating is deposited over said frame by a plastic coating process.
5. The dish rack according to
claim 1
, wherein said coating comprises polyamide.
6. The dish rack according to
claim 1
, wherein said frame comprises a steel wire frame.
7. The dish rack according to
claim 1
, wherein said coating comprises plastic.
8. The dish rack according to
claim 1
, wherein said coating comprises at least one of plastic, substantially polyamide and polyamide.
9. A dishwasher apparatus comprising the dish rack of
claim 1
.
US09/801,764 2000-03-09 2001-03-09 Dish rack for a dishwasher Abandoned US20010032825A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20004244U DE20004244U1 (en) 2000-03-09 2000-03-09 Dish rack for a dishwasher
DE20004244.0 2000-03-09

Publications (1)

Publication Number Publication Date
US20010032825A1 true US20010032825A1 (en) 2001-10-25

Family

ID=7938428

Family Applications (1)

Application Number Title Priority Date Filing Date
US09/801,764 Abandoned US20010032825A1 (en) 2000-03-09 2001-03-09 Dish rack for a dishwasher

Country Status (11)

Country Link
US (1) US20010032825A1 (en)
EP (1) EP1145681A3 (en)
JP (1) JP2001292952A (en)
KR (1) KR20010088798A (en)
CN (1) CN2538275Y (en)
AU (1) AU737815B3 (en)
BR (1) BR8100958U (en)
CA (1) CA2339915A1 (en)
DE (1) DE20004244U1 (en)
NZ (1) NZ507806A (en)
TR (1) TR200003378U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050104488A1 (en) * 2003-11-14 2005-05-19 Hunt Stacy A. Dishwaser with electrocoated dish rack
US20080121253A1 (en) * 2006-11-28 2008-05-29 Shotwell Craig R Cleansing bin
US20140375190A1 (en) * 2013-06-19 2014-12-25 Bsh Home Appliances Corporation Dishwasher with sliding dish rack

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101172281B (en) 2006-11-03 2010-09-29 鸿富锦精密工业（深圳）有限公司 Cleaning fixture
DE102007036007A1 (en) 2007-07-30 2009-02-19 Miele & Cie. Kg Einspülvorrichtung for a washing machine and washing machine
CN113040518B (en) * 2021-04-01 2022-10-18 于春伟 Household picking-free dining table

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1628610B2 (en) * 1967-02-11 1975-04-10 N.V. Philips' Gloeilampenfabrieken, Eindhoven (Niederlande) dishwasher
IT1201784B (en) * 1986-11-28 1989-02-02 Zanussi Zeltron Inst PROCEDURE FOR THE MANUFACTURE OF BASKETS FOR DISHWASHER MACHINES AND BASKETS OBTAINED BY SUCH PROCEDURE
JPS6475539A (en) * 1987-09-18 1989-03-22 Hitachi Ltd Treatment for improving wettability
DE4113211A1 (en) 1991-04-23 1992-10-29 Winfried Heinzel METHOD FOR COATING HOUSEHOLD AND KITCHEN EQUIPMENT
SE507969C2 (en) * 1996-12-20 1998-08-03 Electrolux Ab Basket for storing items and subject to a basket
IT243433Y1 (en) * 1997-09-12 2002-03-04 Electrolux Zanussi Elettrodome DISHWASHER WITH HEIGHT ADJUSTABLE BASKET
DE29809170U1 (en) * 1998-05-20 1998-09-24 BSH Bosch und Siemens Hausgeräte GmbH, 81669 München Dish basket for a household dishwasher
DE19842095A1 (en) * 1998-09-15 2000-03-16 Miele & Cie Improvement of plastic surfaces in dishwashing and clothes washing machines by plasma treatment or fluorination, to prevent discoloration and improve water-shedding properties
DE19917151A1 (en) 1999-04-16 2000-10-19 Miele & Cie Production of polymer coating for utensil baskets for dish washers comprises melt coating to yield rough or uneven surface

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050104488A1 (en) * 2003-11-14 2005-05-19 Hunt Stacy A. Dishwaser with electrocoated dish rack
US20080121253A1 (en) * 2006-11-28 2008-05-29 Shotwell Craig R Cleansing bin
US20140375190A1 (en) * 2013-06-19 2014-12-25 Bsh Home Appliances Corporation Dishwasher with sliding dish rack
US9345382B2 (en) * 2013-06-19 2016-05-24 Bsh Home Appliances Corporation Dishwasher with sliding dish rack

Also Published As

Publication number Publication date
JP2001292952A (en) 2001-10-23
NZ507806A (en) 2002-07-26
EP1145681A3 (en) 2003-01-02
BR8100958U (en) 2002-02-13
CN2538275Y (en) 2003-03-05
TR200003378U (en) 2001-10-22
DE20004244U1 (en) 2000-05-18
CA2339915A1 (en) 2001-09-09
KR20010088798A (en) 2001-09-28
AU737815B3 (en) 2001-08-30
EP1145681A2 (en) 2001-10-17

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Date Code Title Description
AS Assignment

Owner name: DEGUSSA-HUELS AKTIENGESELLSCHAFT, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HESS, GUENTER;SCHOLTEN, HEINZ;REEL/FRAME:011894/0809

Effective date: 20010521

AS Assignment

Owner name: DEGUSSA AG, GERMANY

Free format text: CHANGE OF NAME;ASSIGNOR:DEGUSSA-HUELS AKTIENGESELLSCHAFT;REEL/FRAME:012463/0601

Effective date: 20010209

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION