EP1713983A1 - Deflecteur, indicateur de niveau de liquide, et applications pratiques de pretraitement et de post-traitement chimiques utiles dans des urinoirs sans eau - Google Patents

Deflecteur, indicateur de niveau de liquide, et applications pratiques de pretraitement et de post-traitement chimiques utiles dans des urinoirs sans eau

Info

Publication number
EP1713983A1
EP1713983A1 EP05705313A EP05705313A EP1713983A1 EP 1713983 A1 EP1713983 A1 EP 1713983A1 EP 05705313 A EP05705313 A EP 05705313A EP 05705313 A EP05705313 A EP 05705313A EP 1713983 A1 EP1713983 A1 EP 1713983A1
Authority
EP
European Patent Office
Prior art keywords
urine
cartridge
upper wall
float
diverter
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.)
Withdrawn
Application number
EP05705313A
Other languages
German (de)
English (en)
Inventor
Michael Higgins
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.)
Falcon Waterfree Technologies
Original Assignee
Falcon Waterfree Technologies
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 Falcon Waterfree Technologies filed Critical Falcon Waterfree Technologies
Publication of EP1713983A1 publication Critical patent/EP1713983A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/28—Odour seals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B33/00—Hand tools not covered by any other group in this subclass
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/28—Odour seals
    • E03C1/281—Odour seals using other sealants than water
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells

Definitions

  • the present invention relates to a diverter, a liquid level indicator and a liquid conditioner and, more particularly, to improved devices and methods therefor for use in a urinal, such as in a waterless urinal.
  • a diverter atop the upper wall of the cartridge and over the opening therein for avoiding direct access of urine to the opening.
  • the diverter is spaced from the upper wall to provide a urine flow passage.
  • An indicator such as a float, can be incorporated in the diverter to provide a visible signal of the presence of collected urine on the cartridge upper wall.
  • a pre-treatment chemically-constituted tablet or other substance may be incorporated in the diverter to provide sanitizing and/or deodorizing means.
  • one or more post-treatment chemically-constituted tablet or pellets may be placed at the outlet of the cartridge to protect the drain pipe from corrosion and other harm.
  • FIG. 1 is a view, in cross-section, of a cartridge for use in a urinal with a first embodiment of a urinal diverter positioned thereon and secured to its top;
  • FIG. 2 is an exploded view, in perspective, of the cartridge, per se, illustrated in FIG. 1 ;
  • FIGS. 3 and 4 are perspective views taken respectively from the top and bottom of the cartridge, per se, shown in FIG. 1;
  • FIGS. 5-7 respectively are side, top and bottom views of the cartridge, per se, shown in FIG. 1;
  • FIG. 8 is a cross-sectional view of the cartridge, per se, shown in FIG. 5 taken along line 8-8 thereof;
  • FIG. 9 is a cross-sectional view of the cartridge, per se, shown in FIG. 5 taken along line 9-9 thereof;
  • FIG. 10 is cross-sectional view of the cartridge, per se, shown in FIG. 7 taken along line 10-10 thereof;
  • FIGS. 11 and 12 are perspective views of the bottom portion of the cartridge, per se, depicted in FIGS. 1-10, taken respectively from its upper and under sides FIGS. 13 -15 respectively are side, top and bottom views of the cartridge bottom portion shown in FIGS. 1 and 12;
  • FIG. 15A is a cross-sectional view of a detail of the cartridge bottom portion taken along cutaway line 15A of FIG. 15;
  • FIG. 16 is a cross-sectional view of the cartridge bottom portion taken along line 16-16 of FIG. 13;
  • FIG. 16A is a cross-sectional view of a detail of the cartridge bottom portion taken along cutaway line 16A of FIG. 16;
  • FIG. 17 a cross-sectional view of the cartridge bottom portion taken along line 17-17 of FIG. 16;
  • FIG. 18 is a cross-sectional view of the cartridge bottom portion taken along line 18-18 of FIG. 15;
  • FIG. 19 is a cross-sectional view of the cartridge bottom portion taken along line 19-19 of FIG. 15;
  • FIG. 20 is a bottom view, in perspective, of a second embodiment of the diverter illustrated in FIG. 1 , with a urine pre-treatment tablet and a retainer for the tablet latched to the diverter;
  • FIG. 21 is a cross-sectional view of the diverter, tablet and retainer taken along line 21-21 of FIG. 20;
  • FIG. 22 is a perspective view of the underside of the diverter shown in
  • FIG. 23; FIGS. 23 and 24 respectively are top and side views of the second embodiment of the diverter, per se, illustrated in FIG. 22;
  • FIG. 24A is a cross-sectional view of a standoff spacer detail of the diverter taken along cutaway line 24A of FIG. 24;
  • FIG. 24B is a cross-sectional view of the standoff spacer detail of the diverter taken along cutaway line 24B of FIG. 24;
  • FIG. 24C is a perspective view of the standoff spacer detail and pre- treatment tablet retainer latch of the diverter illustrated in FIGS. 24, 24A and 24B;
  • FIG. 25 is a cross-sectional view of the diverter taken along line 25-25 of
  • FIG. 23 is a cross-sectional view of a detail of the diverter taken along cutaway line 25A of FIG. 25;
  • FIG. 26 is a bottom view of the diverter, per se, depicted in FIG. 22;
  • FIG. 27 is a cross-sectional view of the diverter taken along line 27-27 of
  • FIG. 26 FIG. 27A is a cross-sectional view of a detail of the diverter taken along cutaway line 27A of FIG. 27;
  • FIG. 27B is a cross-sectional view of a detail of the diverter taken along cutaway line 27B of FIG. 27;
  • FIG. 28 is a perspective view of the retainer, per se, depicted in FIGS. 20 and 21 ;
  • FIGS. 29 and 30 are top and side views of the retainer depicted in FIG. 28;
  • FIG. 31 is a cross-sectional view of the retainer taken along line 31-31 of FIG. 30;
  • FIG. 32 is a perspective view of the urine pre-treatment tablet, per se, depicted in FIGS. 20 and 21;
  • FIG. 33 is a cross-sectional view of the pre-treatment tablet taken along line
  • FIG. 35 is a perspective view of the first embodiment of the diverter, pre- treatment and retainer depicted in FIG. 1 ;
  • FIGS. 36 and 37 respectively are top and bottom views of the first embodiment of the diverter, pre-treatment and retainer depicted in FIG. 35;
  • FIG. 38 is a side view of the tip side of the first embodiment of the diverter, pre-treatment and retainer depicted in FIG. 35;
  • FIG.39 is a cross-sectional view of the first embodiment of the diverter, pre- treatment and retainer taken along line 39-39 of FIG. 38;
  • FIG. 39 is a cross-sectional view of the first embodiment of the diverter, pre- treatment and retainer taken along line 39-39 of FIG. 38;
  • FIG. 40 is a side view of the first embodiment of the diverter, per se, depicted in FIG. 1 ;
  • FIG. 40A is a cross-sectional view of a detail of the diverter taken along cutaway line 40A of FIG. 40;
  • FIG.41 is a cross-sectional view of the diverter, perse, taken along line 41- 41 of FIG. 40;
  • FIG. 41 A is a cross-sectional view of a detail of the diverter taken along cutaway line 41 A of FIG. 41;
  • FIG. 42 is a perspective view tablet a float used in the diverter depicted in FIG. 1;
  • FIG. 43 is a side view of the float illustrated in FIG. 42;
  • FIG. 44 is a cross-sectional view of the float taken along line 44-44 of FIG.
  • FIG. 45 is a perspective view of a see-through protective cap used in the diverter depicted in FIG. 1 ;
  • FIG. 46 is a side view of the protective cap shown in FIG. 45;
  • FIG. 47 is a cross-sectional view of the protective cap taken along line 47- 47 of FIG. 46;
  • FIGS. 48 and 49 are perspective views of a plug placeable in the bottom portion of any of the cartridges depicted in FIGS. 1-5, 7-10 and 53-55;
  • FIGS. 50-52 respectively are side, bottom and bottom views of the plug shown in FIGS.
  • FIGS.53 and 54 are perspective views of cartridges, similarto the cartridge illustrated in FIG.1 , with alternatively packaged post-treatment chemicals, embodied respectively as sticks and spheroids, used to treat urine as it exits the cartridge; and
  • FIG. 55 is a perspective view of a cartridge placed in a part of a waterless urinal as connected to a drain pipe.
  • an odor trap 98 comprises a cartridge 100, which is sometimes referred to as an "oil sealant-preserving drain odor trap.”
  • Cartridge assembly 100 acting as a flow trap for urine or other generally fluid waste products, comprises a top portion 102 and a bottom portion
  • Wastewater 103 such as a fluid with urine therein, and an oily liquid odor sealant 105 floating on the wastewater is contained within the cartridge.
  • a diverter such as diverter 270
  • Top portion 102 has a cylindrical configuration defined by a tubular wall 106 terminated by an opening 108 at its lower end and a top wall 110 at its upper end.
  • the top wall is sloped downwardly to a flat, generally horizontal flat center portion 112 in which an entry opening 114 is disposed, to act as a urine inlet.
  • opening 114 comprises a tripartite arrangement of three arced slots 114a, 114b and 114c.
  • a hole 115 is centrally positioned within center portion 112. As will be described with respect to FIGS. 20-47, slots 114a, 114b and 114c and hole 115 are adapted to hold either of the two diverters depicted therein to cartridge 100.
  • Top portion 102 is further provided with three keys 116 of which one may be of different length than the other two (e.g., see FIG. 2) for purposes of properly placing and orienting cartridge 100 within a urinal, as more fully described in U.S. Pat. No. 6,644,339 (the parent application of above-noted Serial No. 10/647,603).
  • Top wall 110 is provided with a recess 117, for example as shown in FIG.
  • Recess 117 has a small dimension sufficient to minimize the trapping of urine therein.
  • Top wall 110 of top portion 102 is further provided with three openings 1 8 which act as air vents that communicate with the interior of cartridge 100. In the event that one or two may become clogged, such as by urine when the urinal is in use, there will be at least one that remains open. Openings 118 also provide a means by which a tool may be inserted therein for the purpose of inserting and removing the cartridge into and from a urinal, as also described in above-noted co-pending provisional application No.60/535,463, now patent application serial No.
  • top portion 102 is divided by a bowed vertical separator 120 into two compartments, respectively an inlet compartment 122 and an outlet compartment 124.
  • Vertical separator 120 is secured or molded to the interior surface of tubular wall 106 and to the underside of top wall 110 in any convenient manner.
  • the bottom end of the vertical separator terminates in an end or terminus 121b which is disposed to be connected to a baffle 150.
  • inlet compartment 122 and outlet compartment 124 have generally equal volumes. It is important that the compartment volumes be made as equal as possible to ensure that the pressures on both sides of vertical separator 120 remain equal during use of the cartridge. Such pressure equality helps to minimize syphoning or, alternatively, to maximize resistance to syphoning between the compartments and, of particular importance, of sealant 105 from the inlet compartment to the outlet compartment. Thus, the usable life of the cartridge is improved by avoiding premature failure thereof. Additionally, any impediment to liquid flow in minimized.
  • Vertical separator 120 is bowed, e.g., curved or bent, to accommodate centrally positioned entry opening 114 which needs to fully communicate with inlet compartment 122.
  • the illustrated curved bowing of the vertical separator further enables air vent openings 118 also to communicate with the inlet compartment. It is to be understood, however, that the vertical separator need not be curved as illustrated; it may take any configuration that will effect its purpose, that is, to provide equally volumed compartments and to oblige the communications of openings 114 with the inlet compartment.
  • Bottom portion 104 comprises a pan 126 and a discharge section 128 extending upwardly therefrom.
  • the pan includes a wall 130 terminating at an edge 132 (FIG. 16) which provides a tongue-in-groove engagement with tubular wall 106 at its lower end opening 108, as best seen in FIG. 17, to provide a fluid-tight engagement between top and bottom portions 102 and 104.
  • the discharge section also includes a pair of tubular chambers 138 for receipt of post- treatment chemicals for treating the exiting urine, as contained in control stick 224a or pellets 224b (FIGS. 53-55), as more fully described in co-pending application, Serial No
  • Chambers 138 are closed at walls 140 (see FIGS. 11 and 18) at one of their ends at the uppermost part of upwardly extending discharge section 128 to prevent flow of fluids thereinto from the outlet compartment, and are open at their other ends 142 (see FIGS. 12 and 18).
  • a flow director 144 in tube 134 adjacent exit port area 136 comprises an angled part which is adapted to direct fluid flow towards ends 142 of tubular chambers 138 for impacting control stick or pellets 224.
  • Such directed fluid flow is also implemented by a pair of vertically extending ribs145 which are formed on the walls of tube 144, and by an inclination on top wall 140 towards tube 134 and ribs 145.
  • a key 146 and a keyway 148 are provided respectively on the interior surface of tubular wall 106 (see FIGS. 2 and 9) and on the backside of upwardly extending discharge section 128 (see FIGS. 1 , 13 and 16).
  • the key and keyway are disposed to provide an orientation and proper alignment between top and bottom portions 102 and 104 and, through the orienting mechanism of keys 116 with the urinal, to place exit port area 136 adjacent exterior drain 220 from cartridge 100. As depicted in FIGS.
  • a baffle 150 is disposed to be secured to curved vertical separator 120 for improved direction and flow of fluids through the cartridge in a region from inlet compartment 122 to outlet compartment 124, as more fully described in co-pending patent application, Serial No. xx/xxx,xxx (U.S. Provisional Application No. 60/579,921 , filed 14 June 2004) [Attorney Docket 7148- 119-US].
  • Cartridge 42 is provided with an upper wall 44 in which a central opening
  • Opening 46 may be disposed. Opening 46 may comprise a simple hole or one configured as a tripartite arrangement of three arced slots 46a, 46b and 46c, centered about a generally horizontal flat center portion 48 as best shown in FIG. 1A. A hole 445 is centrally positioned within center portion 112. As will be described with respect to FIGS. 36-43, slots 114a, 114b and 114c and hole 115 are adapted to hold either of the two diverters depicted therein to cartridge 100. In the illustrated configuration, cartridge 42 is disposed to receive urine through central opening 46 and transported to a drain such as may be connected to a urinal.
  • Such a cartridge may take any form, for example, as described in patents 6,053,197, 6,245,411, 6,644,339 and 6,xxx,xxx [Serial No. 09/855,735 (filed 14 May 2001)].
  • a diverter 170 is positionable atop cylinder upper wall 110, e.g., as shown in FIG. 1 , for protectively covering cartridge openings 114 and 115 at center portion 112, primarily to provide a circuitous path for flow of urine to the opening. Therefore, urine is prevented from directly contacting and entering into the openings.
  • Diverter 170 includes a shell 172 and, if desired, a deodorant and/or sanitizing tablet 210 and a tablet retainer 200 (see FIGS. 28-33) for retaining the tablet within shell 172.
  • the diverter is slightly spaced from upper wall 10 of cartridge 100 to assure a clear path for flow of the urine and to space retainer 200 and tablet 210 from the cartridge upper wall. As shown in detail in FIGS. 24 and 24A-24C, such spacing is effected by use of a standoff 182, depending from shell 172 and comprising a large portion 182a and a smaller portion 182b. Portion 182b is made as small as possible to permit the smallest contact of the diverter with the cartridge and, therefore, to provide the largest possible unobstructed flow path.
  • Shell 172 as for example shown in FIGS. 21 and 27, comprises an upper surface 184, terminated by a periphery 186 with a downwardly depending flange 188, and a central opening 190.
  • Upper surface 184 slopes downwardly towards periphery 186 to encourage flow of urine towards the periphery.
  • Inwardly-facing bumps or protuberances 191 are formed on large portion 182a of standoffs 182, as best shown in FIGS. 27 and 27B.
  • a tubular housing 194 (see FIGS. 21, 22 and 26) preferably of cylindrical configuration is secured at one end to the under surface of shell 172 and terminates in a securing mechanism 198 at its free end.
  • tablet retainer 200 comprises and open- structured cup 202 for supporting a tablet 210 (see FIGS. 32 and 33) and for exposing the tablet to any urine collected in top wall 110 of top portion 102.
  • the open-structured cup comprises an outer ring-like member 204, an inner ring-like member 206, and a plurality of spokes 208 connecting inner and outer ring-like members 206 and 204.
  • tablet 210 is configured generally as a donut having an inner cylindrical opening 212 which is adapted to fit over the outer periphery of inner ring-like member 204.
  • the contents of tablet 210 include a formulation of citric acid, quaternary ammonium and triclosan, and a binder to hold the formulation together.
  • the citric acid is used (1) to adjust the ph in the cartridge, between 5.5 and 3.0 ph to ensure that the contents remain acidic, and to prevent alkalinity which would otherwise degrade the sealant, (2) to inhibit biological growth and/or (3) to act as a cleaning agent, e.g., to remove scale and other minerals, stains, etc., within the cartridge and drain pipe.
  • the binder a polymer binding medium which holds and permits release of the agents held therein. It is believed that the quaternary ammonium comprises a surfactant having a negative ion which is adapted to combine with a positive ion surfactant and to form precipitants.
  • the problem to be avoided is to inhibit the breakdown of the sealant by positive ion surfactants, such cleaning agents used in urinals. While a negative ion surfactant, such as Hyamine 1622, trademark of Rohm and Haas, has been found to be useful, the requirement is one that militates against the breakdown of the sealant.
  • Triclosan trademark of , is a biocide which is designed to combine with polymers and to protect the sealant from bacteria.
  • the binder is formulated from a slightly soluble material, e.g., N, N- ethylenebisstearamide, which can be slowly worn away by water such as to the extent that its life will last at least to the life of the cartridge.
  • diverter 270 is positionable atop cylinder upper wall 110, as shown in FIG. 1 , for protectively covering cartridge openings 114 and 115 at center portion 112, primarily to provide a circuitous path for flow of urine to the opening. Therefore, urine is prevented from directly contacting and entering into the openings.
  • Diverter 270 includes a shell 272, a urine level detector, comprising a float 274 and a see- through protective cap 276, and, if desired, a deodorant and/or sanitizing tablet 210 and a tablet retainer 200 (see FIGS. 28-33) for retaining the tablet within shell 272.
  • the diverter is slightly spaced from upper wall 110 of cartridge 100 to assure a clear path for flow of the urine and to space retainer 200 and tablet 210 from the cartridge upper wall. As shown in detail in FIGS.40 and 40A, such spacing is effected by use of a standoff 282, depending from shell 272 and comprising a large portion 282a and a smaller portion 282b. Portion 282b is made as small as possible to permit the smallest contact of the diverter with the cartridge and, therefore, to provide the largest possible unobstructed flow path.
  • Shell 272 as for example shown in FIGS.41 and 41 A, comprises an upper surface 284, terminated by a periphery 286 with a downwardly depending flange 288, and a central opening 290.
  • Upper surface 284 slopes downwardly towards periphery 286 to encourage flow of urine towards the periphery and away from opening 290. Further, a rim 292 surrounds opening 290 also to encourage the outward urine flow and, in particular, to prevent urine from entering opening 290.
  • Inwardly-facing bumps 291 are formed on large portion 282a of standoffs 282.
  • a tubular housing 294 (see FIGS. 35 and 37-41) preferably of cylindrical configuration is secured at one end 296 (FIG. 41) to the under surface of shell 272 about opening 290 and terminates in a latching mechanism 298 at its second end 300.
  • An inwardly directed circular protuberance 302 is formed at end 300.
  • the second end is also formed with cut-away portions 304 which dissect protuberance 302 into legs 303 to permit a bending of the latching mechanism.
  • Latching mechanism 298 comprises pairs of facing teeth 306 at the ends of legs 303 which are adapted to latch into arced slots 14a, 114b and 114c of cartridge top portion 102 for securing diverter 270 to cartridge 100.
  • float 274 comprises a generally tubular body 318 from which a stem 320 extends from its upper surface. Its lower surface 322 is concavely formed so that any liquids thereon will flow off the concave surface and not collect thereon or leave deposits after the liquid has evaporated.
  • a plurality of ribs 324 are placed about body 318, and extend slightly below concave surface 322 so as to help any liquid to collect and form drops for facilitating the removal of liquid from the float.
  • Ribs 104 are configured with a generally triangular cross- section to form outer peripheries having a small surface which, in aggregation, delineate a cylindrical surface that fits closely within the inner surface of shell- depending tubular cylindrical housing 324.
  • ribs 324 permit the float to move between the under surface of shell 272 and cartridge upper wall 110.
  • the float is retained within tubular cylindrical housing 294 on protuberances 302 therein. Insertion of the float within the housing is permitted by flexure of its lower or second end 300 through the medium of cut-away portions 304.
  • Float 274 preferably is molded from a material that can be tinted so as to make it easily viewable, such as by a bright red and/or florescent shade, especially from the top of stem 320.
  • a passage within inner ring-like member 204 enables contact of the float with any urine collected in the upper wall of cartridge 100.
  • a magnet 326 having the shape of a toroid, is secured to float 274 about its stem 320 and, upon upward movement of the float, latches to ferromagnetic washer 298 and holds the float against shell 272.
  • Stem 332 is recessed to form a hollow 334, and is sized to extend through shell upper surface opening 292 and thereby to receive float stem 320.
  • An indentation 336 (FIG. 47) is formed beneath enlarged head 330 adjacent hollow stem 332 and helps to discourage flow of urine onto the hollow stem.
  • Indentation 336 thus acts as an adjunct to rim 292 formed about shell opening 290 to help in controlling the flow of urine.
  • Protective cap 276 is formed from a clear or translucent material, such as of acrylic plastic, to enable viewing of float 274 and, in particular, the top of its stem 320.
  • a plug 410 is disposed to be attached to bottom portion 104 within a part of exit port area 136 and to operate as a closure to open ends 142 of tubular chambers 138.
  • a pin 412 extends from the top side of plug 412 and is disposed to engage with a keyed interference fit coupling within an opening 414 (see FIGS. 34B and 46) in bottom portion 104 to join the two parts together.
  • Both pin 412 and opening 414 have mating ribs that, when inter-engaged, orient plug 410 with tubular chambers 138.
  • the plug is formed with a pair of tubular openings 416 having the same dimensions as those of tubular chambers 138 of bottom portion discharge tube section 128.
  • One side of tubular openings 416 is formed to provide an open basket-like weave 418 with openings 420, and a base 422 which is adapted to support ,a holder of post-treatment discharge control chemical agents, configured as sticks 424a or pellets 424b. It is through openings 420 that fluid is directed by the two-part flow director comprising angled ledge 144 and ribs xxx in tube 134.
  • a pair of such post-treatment discharge control sticks 424a or pellets 424b are disposed to be placed within tubular chambers 138.
  • Each one of pellets 424b as having a spheroid shape, rests against the inner wall of tubular chambers 138 with a smaller contact than does the contact between stick 424a with the inner wall and, therefore, is the preferable shape, as being more likely to move downwardly as fluid slowly erodes the post-treatment discharge chemicals.
  • Each post-treatment discharge control stick or pellet includes citric acid and, if desired, quaternary ammonium, a biocide and cleaning agents held in a time- release binder.
  • the post-treatment discharge control sticks or pellets may be used alone or in conjunction with pretreatment control tablet 410.
  • This assembled cartridge is then adapted to be placed within a waterless urinal 426, a portion of which is illustrated in FIG. 55, which is coupled to a drain 420 with exit port area 136 as provided through the orienting mechanism of keys 116.
  • An O-ring seal is placed within recess 117 in the periphery of top wall 110.
  • pretreatment control tablet 410 and post-treatment discharge control agents 424a or 424b are described herein as integral parts of the present invention, it is to be understood that they can be used alone, in other environments.
  • cartridge 100 of the present invention may employ other means, aside from tablet 410 and agents 424, to obtain the desired anti-bacterial, cleaning, etc., purposes.
  • both the tablet and stick/pellet agent can be composed of any number of other agents and ingredients depending upon the end result desired.
  • the diverter may be used alone, without any pretreatment tablet.

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Epidemiology (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)

Abstract

Selon l'invention, un déflecteur (170, 270) placé au sommet d'une paroi supérieure (110) d'une cartouche (100) et au-dessus d'une ouverture (114, 115) ménagée dans la cartouche empêche l'accès direct des urines à l'ouverture et au matériau d'étanchéité (105) diposé à l'intérieur de la cartouche. Le déflecteur est espacé de la paroi supérieure par des entretoises (182, 282) afin de créer un passage pour l'écoulement des urines. Un flotteur (274) peut être incorporé dans le déflecteur pour présenter sur la paroi supérieure de la cartouche une indication visible de la présence d'urines collectées. Des pastilles de prétraitement à base de produits chimiques (210) contenues dans un dispositif de retenue (200) ménagé dans le déflecteur constituent des produits d'assainissement et/ou de désodorisation. Des pastilles (224a) ou granules (224b) de post-traitement à base de produits chimiques pouvant être placées à la sortie de la cartouche protègent le tuyau d'évacuation de la corrosion et d'autres dommages.
EP05705313A 2004-01-09 2005-01-09 Deflecteur, indicateur de niveau de liquide, et applications pratiques de pretraitement et de post-traitement chimiques utiles dans des urinoirs sans eau Withdrawn EP1713983A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US53546304P 2004-01-09 2004-01-09
US57992104P 2004-06-14 2004-06-14
PCT/US2005/000594 WO2005071172A1 (fr) 2004-01-09 2005-01-09 Deflecteur, indicateur de niveau de liquide, et applications pratiques de pretraitement et de post-traitement chimiques utiles dans des urinoirs sans eau

Publications (1)

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EP1713983A1 true EP1713983A1 (fr) 2006-10-25

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Country Status (6)

Country Link
US (1) US20050229297A1 (fr)
EP (1) EP1713983A1 (fr)
JP (1) JP2007518005A (fr)
KR (1) KR20060135728A (fr)
CO (1) CO5721025A2 (fr)
WO (3) WO2005071171A1 (fr)

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US7575022B2 (en) * 2003-08-25 2009-08-18 Falcon Waterfree Technologie Diverter, liquid-level indicator and chemical pre-treatment and post-treatment implementations useful in waterless urinals
US20070083989A1 (en) * 2005-05-06 2007-04-19 Michael Higgins Anti-flushing diaphragm
EP1785077A1 (fr) * 2005-11-12 2007-05-16 Bob W. Illy Urinoir sans eau
EP1954896A4 (fr) * 2005-12-02 2012-05-30 Falcon Waterfree Technologies Llc Evacuation d urine avec indicateur de fin de vie
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WO2005071171A1 (fr) 2005-08-04
WO2005071172A1 (fr) 2005-08-04
WO2005071173A1 (fr) 2005-08-04
CO5721025A2 (es) 2007-01-31
KR20060135728A (ko) 2006-12-29
JP2007518005A (ja) 2007-07-05
US20050229297A1 (en) 2005-10-20

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