Patent US4313451A successfully refreshed from Google Patents.
US4313451A
Expired / Lapsed
US
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Apparatus for washing soiled articles
Assignee: GS Blakeslee and Co
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Filing: 1979-09-14
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Granted: 1982-02-02
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Expires: 1999-09-14
Abstract
Abstract A dishwashing machine includes a plurality of sections through which a soiled article to be washed is transported. A dishwashing machine includes a detergent pre-wash section, a detergent-wash section, a chemical power rinse and final clear water rinse section.
Inventors
- 👤 Erik O. Vilen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:19
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/24; A47L15/241; A47L15/245
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
100 words
An apparatus for washing soiled articles and having a conveyer means movable therethrough, including in combination; a first detergent wash section adapted to direct a detergent wash solution onto the exposed articles positioned on the conveyor means to wash the same; a second chemical sanitizing power rinse section adapted to direct a chemical sanitizing solution onto the exposed washed articles positioned on the conveyor means to chemically sanitize the same, and a third clear fresh water final rinse section adapted to direct clear water onto the exposed chemically sanitized articles to remove the chemical therefrom and provide chemical-free cleaned articles.
Claim 2
Independent Claim
100 words
An apparatus for washing soiled articles and having a conveyer means movable therethrough, including in combination; a first detergent wash section adapted to direct a detergent wash solution onto the exposed articles positioned on the conveyor means to wash the same; a second chemical sanitizing power rinse section adapted to direct a chemical sanitizing solution onto the exposed washed articles positioned on the conveyor means to chemically sanitize the same, and a third clear fresh water final rinse section adapted to direct clear water onto the exposed chemically sanitized articles to remove the chemical therefrom and provide chemical-free cleaned articles.
Claim 3
Dependent Claim
40 words
The apparatus in accordance with claim 1 further including a detergent pre-wash section adapted to direct a pre-wash solution onto the soiled articles positioned on the conveyor means prior to engagement of the soiled articles with said detergent wash section.
Claim 4
Dependent Claim
44 words
The apparatus in accordance with claim 1 wherein each of said detergent wash section and said chemical power rinse section include a pumping assembly comprised of an impeller pump member driven by a drive motor to circulate the respective solutions onto the exposed articles.
Claim 5
Dependent Claim
51 words
The apparatus in accordance with claim 1 wherein each of said detergent wash section, said chemical sanitizing power rinse section and said clear water final rinse section include lower and upper spray boxes therein respectively for directing said wash, said chemical sanitizing and said clear water solution onto the exposed articles.
Claim 6
Dependent Claim
21 words
The apparatus in accordance with claim 1 wherein said chemical sanitizing solution is maintained at a temperature of about 120° F.
Claim 7
Dependent Claim
50 words
The apparatus in accordance with claim 1 wherein said clear water final rinse section includes switch means engageable with the sanitized articles on the conveyor means to energize and operate said clear water final rinse section to direct clear water onto the exposed sanitized articles to remove the chemical therefrom.
Claim 8
Dependent Claim
42 words
The apparatus in accordance with claim 6 wherein said switch means includes a rinse gate engageable with the sanitized article and operatively connected to a switch which energizes a solenoid element to direct clear water through said clear water final rinse section.
Claim 9
Dependent Claim
32 words
The apparatus in accordance with claim 1 wherein said sanitizing power rinse section includes pumping means operatively connected to a chemical supply means to supply chemical to said sanitizing power rinse section.
Claim 10
Dependent Claim
32 words
The apparatus in accordance with claim 8 further including control means engageable with said pumping means to energize the same to control the flow of chemical to said sanitizing power rinse section.
Claim 11
Dependent Claim
28 words
The apparatus in accordance with claim 9 wherein said control means includes a timing element to predeterminely control the flow of chemical to said sanitizing power rinse section.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-02-01 | 1985-08-03 | 1986-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-02-01 | 1989-08-03 | 1990-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-02-01 | 1993-08-03 | 1994-02-02 | $7700.00 | Window Closed / Lapsed |