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A removable cartridge assembly for a waterless urinal

A urinal and component technology, applied in the field of detachable filter cartridge components, can solve the problems of material cost and waste

Active Publication Date: 2011-02-16
WATER TREATMENT (UK) LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This creates unnecessary expense and waste of material as the plastic casing will also be discarded after the scent block is depleted

Method used

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  • A removable cartridge assembly for a waterless urinal
  • A removable cartridge assembly for a waterless urinal
  • A removable cartridge assembly for a waterless urinal

Examples

Experimental program
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Embodiment Construction

[0041] see first figure 1 , which shows a first embodiment of a waterless urinal 10 according to the present invention. The urinal 10 has an inner bowl surface 12 with an outlet 14 . figure 1 Also shown is a first embodiment of a removable filter cartridge assembly 16 in accordance with the present invention. Cartridge assembly 16 is mounted in opening 14 and is connected to the municipal sewer line by pipe 18 .

[0042] Cartridge assembly 16 in Figures 2 to 7 is best shown in , and has a generally cylindrical plastic body 20 . The body 20 has external threads 22 on one end and a bifurcated taper 24 on the other end. The tapered portion 24 terminates in a flange 26 adapted to seal the opening 14 in the inner surface 12 of the urinal after installation. The cartridge assembly 16 is inserted from the interior of the urinal through the opening 14 and secured by tightening the nut 28 along the threads 22 until it engages the lower edge 14a of the outlet 14 .

[0043] A rubb...

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PUM

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Abstract

The present invention provides a removable cartridge assembly (16) for a waterless urinal (10). The cartridge assembly (16) comprises a cup (42) and a cap (46). The cup (42) is adapted to receive a scent block (44) therein. The cap (46) is adapted to releasably engage the cup (44). When the cap (46) is engaged with the cup (42), the scent block (44) is retained in the cup (42) and, when the cap (46) is disengaged from the cup (42), the scent block (44) is removable from within the cup (42), and thus from the cartridge assembly (16).

Description

technical field [0001] The present invention relates to a removable filter cartridge assembly for a waterless urinal. Background technique [0002] Waterless urinals using one-way valves are known. When there is urine, the valve is automatically opened to allow urine to flow through it into the drainage system, and then automatically closed to prevent the smell of sewage from entering the room where the waterless urinal is installed. It is also known to mount the valve in a removable cartridge assembly that can be fitted to a purpose-built urinal, or to fit in if the water supply to an existing flush urinal fails. match. Filter cartridges are also known to contain a scent or deodorant block to reduce any adverse effects of odor due to urine passing through the filter cartridge. [0003] One known cartridge assembly has a hemispherical cover protruding into the urinal, which is not aesthetically pleasing. [0004] One known cartridge assembly also has a scent block contai...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A47K11/06
CPCE03D13/005E03C1/281E03C1/28E03D13/007
Inventor S·J·卡明斯
Owner WATER TREATMENT (UK) LTD
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