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US3746174A Expired / Lapsed US ⏱️ 0.0 years remaining

Simple water treating apparatus

Assignee: Kurita Water Industries Ltd
•
Filing: 1972-03-22
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Granted: 1973-07-17
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Expires: 1992-03-22
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Abstract

Abstract In a simple water treating apparatus comprising, a magazine containing water conditioning materials through which water is passed and a body for replaceably holding said magazine formed of a case which is attached to the outlet of the water passage communicating with the water supply tap to convey water onto the upper surface of said magazine and a lid fixed to said case to close the open top end thereof and having cylindrical adaptor to engage the tap, wherein a cylindrical water passage is formed between the inner wall of the case and the outer wall of the magazine, a radial water passage communicating at its periphery with the lower part of said cylindrical water passage is formed between the upper surface of the case bottom and the lower surface of the magazine bottom and the body is provided with a water discharge pipe for conveying water from the top of said cylindrical water passage to the outside, the improvement therein of providing on said magazine a circumferential wall extending above the water passable upper surface of said magazine and providing on said lid a flexible skirt extending downwardly from the lower end of said water passage to engage with its lower periphery the inside face of said circumferential wall thereby forming a water chamber inside the skirt, between the lid and the magazine, when the magazine is inserted into the case and the lid is fixed thereto.

Inventors

  • 👤 K Watanabe

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 10:18
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/001; C02F1/003; C02F2307/00; C02F2307/06

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 245 words
In a simple water treating apparatus comprising a magazine containing water conditioning materials through which water is passed and a body for replaceably holding said magazine formed of a case having an open top which is attached to the outlet of a water passage communicating with a water supply tap to convey water onto the upper surface of said magazine and a lid fixed to said case to close the open top end thereof and having a cylindrical adaptor to engage the tap, wherein a cylindrical water passage is formed between the inner wall of the case and the outer wall of the magazine, a radial water passage communicating at its periphery with the lower part of said cylindrical water passage is formed between the upper surface of the case bottom and the lower surface of the magazine bottom and the body is provided with a water discharge pipe for conveying water from the top of said cylindrical water passage to the outside, the improvement therein of providing on said mAgazine a circumferential wall extending above the water passable upper surface of said magazine and providing on said lid a flexible skirt extending downwardly from the lower end of the first mentioned water passage to engage with its lower periphery the inside face of said circumferential wall thereby forming a water chamber inside the skirt, between the lid and the magazine, when the magazine is inserted into the case and the lid is fixed thereto.
Claim 2
Dependent Claim 245 words
In a simple water treating apparatus comprising a magazine containing water conditioning materials through which water is passed and a body for replaceably holding said magazine formed of a case having an open top which is attached to the outlet of a water passage communicating with a water supply tap to convey water onto the upper surface of said magazine and a lid fixed to said case to close the open top end thereof and having a cylindrical adaptor to engage the tap, wherein a cylindrical water passage is formed between the inner wall of the case and the outer wall of the magazine, a radial water passage communicating at its periphery with the lower part of said cylindrical water passage is formed between the upper surface of the case bottom and the lower surface of the magazine bottom and the body is provided with a water discharge pipe for conveying water from the top of said cylindrical water passage to the outside, the improvement therein of providing on said mAgazine a circumferential wall extending above the water passable upper surface of said magazine and providing on said lid a flexible skirt extending downwardly from the lower end of the first mentioned water passage to engage with its lower periphery the inside face of said circumferential wall thereby forming a water chamber inside the skirt, between the lid and the magazine, when the magazine is inserted into the case and the lid is fixed thereto.

References Cited (Backward Citations)

US2605901A Cited
US3184064A Cited
US3204770A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-07-16 1977-01-15 1977-07-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-07-16 1981-01-15 1981-07-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-07-16 1985-01-15 1985-07-17 $7700.00 Window Closed / Lapsed

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