EP1273726B1 - W.c. de type occidental - Google Patents

W.c. de type occidental Download PDF

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Publication number
EP1273726B1
EP1273726B1 EP01912415A EP01912415A EP1273726B1 EP 1273726 B1 EP1273726 B1 EP 1273726B1 EP 01912415 A EP01912415 A EP 01912415A EP 01912415 A EP01912415 A EP 01912415A EP 1273726 B1 EP1273726 B1 EP 1273726B1
Authority
EP
European Patent Office
Prior art keywords
rim
bowl
western
side wall
bowl portion
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.)
Expired - Lifetime
Application number
EP01912415A
Other languages
German (de)
English (en)
Other versions
EP1273726A4 (fr
EP1273726A1 (fr
Inventor
Koji Miwa
Shoichi Nakamura
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.)
Inax Corp
Original Assignee
Inax Corp
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
Priority claimed from JP2000107497A external-priority patent/JP2001288799A/ja
Priority claimed from JP2000109256A external-priority patent/JP3815945B2/ja
Priority claimed from JP2000109259A external-priority patent/JP4116226B2/ja
Priority claimed from JP2000124116A external-priority patent/JP2001303648A/ja
Priority claimed from JP2000124064A external-priority patent/JP2001303650A/ja
Priority claimed from JP2000132082A external-priority patent/JP3761765B2/ja
Priority claimed from JP2000132084A external-priority patent/JP4080138B2/ja
Priority claimed from JP2000132085A external-priority patent/JP2001311208A/ja
Application filed by Inax Corp filed Critical Inax Corp
Publication of EP1273726A1 publication Critical patent/EP1273726A1/fr
Publication of EP1273726A4 publication Critical patent/EP1273726A4/fr
Publication of EP1273726B1 publication Critical patent/EP1273726B1/fr
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
    • E03D11/02—Water-closet bowls ; Bowls with a double odour seal optionally with provisions for a good siphonic action; siphons as part of the bowl
    • E03D11/08—Bowls with means producing a flushing water swirl
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
    • E03D11/02—Water-closet bowls ; Bowls with a double odour seal optionally with provisions for a good siphonic action; siphons as part of the bowl
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D2201/00—Details and methods of use for water closets and urinals not otherwise provided for
    • E03D2201/30—Water injection in siphon for enhancing flushing
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D2201/00—Details and methods of use for water closets and urinals not otherwise provided for
    • E03D2201/40—Devices for distribution of flush water inside the bowl

Definitions

  • This invention relates to a western-style flush toilet.
  • a western-style flush toilet which includes a western-style toilet body made of porcelain and a washing device having a water tank such as a low tank which is mounted at the rear of the western-style toilet body and which is capable of spouting water.
  • the western-style toilet body comprises a bowl portion, a rim which is formed at an upper periphery of the bowl portion and which has a rim channel capable of flowing water downward to the bowl portion in the inside thereof and a trap portion which is connected to a lower edge of the bowl portion.
  • the trap portion has a jet opening for spouting water along the trap portion.
  • the water tank is connected to a water supply pipe such as a city water service pipe for supplying water, and the water reserved in the water tank which is capable of being spouted to the rim channel.
  • a rim in which a rim channel is exposed to a bowl portion so-called “an open rim” comprises an upper side wall portion which is protruded inwardly from an upper periphery of the bowl portion in an approximately horizontal direction and an inner side wall portion which is extended from an inner edge of the upper side wall portion in an approximately vertical direction.
  • a rim channel for guiding the water which is spouted from a washing device is formed in the inside of the open rim. In the open rim, the water in the rim channel is spouted to the bowl portion by way of an opening which is formed by the inner side wall portion and the bowl portion.
  • a rim in which a rim channel is not exposed to a bowl portion so-called “a closed rim” comprises an upper side wall portion which is protruded inwardly from an upper periphery of the bowl portion in an approximately horizontal direction, an inner side wall portion which is extended from an inner edge of the upper side wall portion in an approximately vertical direction and a lower side wall portion for connecting a lower edge of the inner side wall portion to the bowl portion.
  • the same rim channel as that of the open rim is formed in the inside of the closed rim.
  • plural water spout openings which open toward the bowl portion are mounted in the lower side wall portion, and the water in the rim channel is spouted to the bowl portion by way of these water spout openings.
  • a water-closet pan is known.
  • a closed rim is provided. Resulting thereof, there exists a possibility that filth is not fully discharged from a bowl as well as stains caused by a splash of urine generated at the time of using the toilet or a splash generated at the time of going to defecate easily remain on each in-between space of adjoining ducts on a bowl face of said bowl.
  • stains caused by a splash of urine generated at the time of using the toilet or a splash generated at the time of going to defecate are likely to be adhered to the rim channel such as a rear side of the upper side wall portion or a rear side of the inner side wall portion.
  • the above-mentioned stains are apt to be adhered to the inside of the rim channel through a front side of the lower side wall portion or the water spout openings.
  • Such stains adhered to the rim exist at the position which a cleaning person hardly sees.
  • the first and second inventions have been made in view of the above circumstances and it is the first and second tasks to be solved to provide a sanitary western-style flush toilet in which stains are difficult to be adhered to a rim, and a nasty smell is hardly generated.
  • a western-style flush toilet including a western-style toilet body comprising a bowl portion and a rim which is formed at an upper periphery of the bowl portion and which has a rim channel in the inside thereof, and a washing device which is capable of spouting water to the rim channel, wherein the water which is spouted from the washing device is provided for washing the bowl portion by way of the rim channel, wherein at the transition of said bowl portion and said rim an inward surface of said rim is flush with a bowl face of said bowl portion
  • said western-style flush toilet being characterized in that said rim is an open rim comprising an upper side wall portion which is protruded inwardly from the upper periphery of said bowl portion in an approximately horizontal direction, and an inner side wall portion which is extended from an inner edge of said upper side wall portion in an approximately vertical direction, a stepped portion is formed in such a manner that it is protruded in approximately parallel to the said upper side
  • the inward surface of the rim is an identical surface to the bowl face of the bowl portion at least at the front side, so stains are hardly adhered to the rim.
  • the rim is an open rim, stains are hardly adhered to the rim channel such as a rear side of an upper side wall portion or a rear side of an inner side wall portion.
  • the rim is a closed rim, stains are hardly adhered to the inside of the rim channel through a front side of a lower side wall portion or water spout openings.
  • the inward surface of the rim is an identical surface to the bowl face of the bowl portion, stains exist at the position which a cleaning person easily sees, and in addition, the stains are easily wiped out at one time. Accordingly, it is possible for the cleaning person to carry out the cleaning satisfactorily.
  • the inward surface of the rim is an identical surface to the bowl face of the bowl portion at least at the front side, the minimum operation and effect of the first invention can be obtained.
  • the reason of this is that stains caused by a splash of urine generated at the time of using the toilet or a splash generated at the time of going to defecate are likely to be positioned at the front side.
  • the inward surface of the rim is an identical surface to the bowl face of the bowl portion at the whole of the upper periphery of the bowl portion.
  • a western-style flush toilet including a western-style toilet body comprising a bowl portion and a rim which is formed at an upper periphery of the bowl portion and which has a rim channel in the inside thereof, and a washing device which is capable of spouting water to the rim channel, wherein the water which is spouted from the washing device is provided for washing the bowl portion by way of the rim channel
  • the western-style flush toilet being characterized in that at the transition of said bowl portion and said rim, an inward surface of the rim is positioned outwardly with respect to a bowl face of the bowl portion at least at the front side, said rim is an open rim comprising an upper side wall portion which is protruded inwardly from the upper periphery of said bowl portion in an approximately horizontal direction, and an inner side wall portion which is extended from an inner edge of said upper side wall portion in an approximately vertical direction, a stepped portion is formed in such a manner that it is pro
  • the inward surface of the rim is positioned outwardly with respect to the bowl face of the bowl portion at least at the front side, so stains are hardly adhered to the rim as well.
  • the inward surface of the rim is positioned outwardly with respect to the bowl face of the bowl portion at least at the front side, the minimum operation and effect of the second invention can be obtained.
  • it is desirable that the inward surface of the rim is positioned outwardly with respect to the bowl face of the bowl portion at the whole of the upper periphery of the bowl portion.
  • the western-style flush toilet has a stepped portion which forms the rim channel at a boundary between the bowl portion and the rim.
  • said rim channel may guide said water not to flow downward immediately, but to flow downward gradually to said bowl face of said owl portion while whirling satisfactorily in said rim channel.
  • the rim channel may open at the whole periphery between the inward surface of the rim and the bowl face of the bowl portion. It is so-called an open rim. With such a constitution, it is possible to obtain an advantage in the manufacturing cost.
  • a western-style flush toilet of the embodiment 1 includes a western-style toilet body 1 made of porcelain and a distributor 2 which is a part of a washing device mounted at the rear of the western-style toilet body 1.
  • a water tank which constitute a part of the washing device, a toilet seat and a toilet lid are not shown in the drawing.
  • the western-style toilet body 1 has a bowl portion 3 which receives filth, a trap portion 4 which is connected to a lower edge of the bowl portion 3 and a base seat portion 5 which conceals the bowl portion 3 and the trap portion 4.
  • a bowl portion 3 which receives filth
  • a trap portion 4 which is connected to a lower edge of the bowl portion 3
  • a base seat portion 5 which conceals the bowl portion 3 and the trap portion 4.
  • an installation portion 6 on which the water tank is installed is formed, and the distributor 2 made of resin is provided in the installation portion 6.
  • an open rim 8 is formed at the whole of an upper periphery of the bowl portion 3.
  • the open rim 8 comprises an upper side wall portion 8a which is protruded inwardly from the upper periphery of the bowl portion 3 in an approximately horizontal direction and an inner side wall portion 8b which is extended from an inner edge of the upper side wall portion 8a in an approximately vertical direction.
  • a stepped portion 8c is formed in such a manner that it is protruded in approximately parallel to the upper side wall portion 8a.
  • a rim channel 7 for guiding water which is spouted from the distributor 2 along the stepped portion 8c is formed in the inside of the open rim 8.
  • an inward surface of the inner side wall portion 8b in the open rim 8 is an identical surface to a bowl face 3a of the bowl portion 3 at the whole of the upper periphery of the bowl portion 3.
  • the rim channel 7 opens at the whole periphery between the inner side wall portion 8b and the bowl face 3a by means of an opening 7a.
  • the inward surface of the inner side wall portion 8b is an identical surface to the bowl face 3a, the splashed stains are hardly adhered to the rim channel 7 such as a rear side of the upper side wall portion 8a or a rear side of the inner side wall portion 8b.
  • a nasty smell such as ammonia is hardly generated, and the person who uses the western-style flush toilet doesn't feel uncomfortable.
  • the western-style flush toilet is sanitary.
  • the western-style flush toilet has the stepped portion 8c which forms the rim channel 7 at a boundary between the bowl portion 3 and the open rim 8.
  • the western-style flush toilet stains are hardly adhered to the open rim 8. As a result, a nasty smell and the like are hardly generated, and the person who uses the western-style flush toilet feels comfortable. Besides, the western-style flush toilet is sanitary. In addition, in the western-style flush toilet, it is possible to obtain an advantage in the manufacturing cost.
  • a western-style toilet body 1 has an open rim 18 in which an inner side wall portion 18b is formed at the further outside as compared with the western-style flush toilet of the embodiment 1. Accordingly, the inward surface of the inner side wall portion 18b is positioned outwardly with respect to a bowl face 3a of a bowl portion 3.
  • Other constitutions are the same as those of the embodiment 1.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)

Claims (3)

  1. Toilettes à chasse d'eau de type occidental comprenant un corps de toilettes de type occidental (1) comprenant une partie de cuvette (3) et un bord (8) qui est formé au niveau d'une périphérie supérieure de ladite partie de cuvette (3) et qui possède un canal de bord (7) dans la partie intérieure de celui-ci, et
    un dispositif de lavage (2) qui est capable de faire jaillir de l'eau jusqu'audit canal de bord (7),
    dans lesquelles ladite eau, qui est éjectée à partir dudit dispositif de lavage (2), est fournie pour laver ladite partie de cuvette (3) par l'intermédiaire dudit canal de bord (7), et
    dans lesquelles, au niveau de la transition de ladite partie de cuvette (3) et dudit bord (8), une surface intérieure dudit bord (8) est alignée avec une face de cuve (3a) de ladite partie de cuvette (3),
    caractérisé en ce que
    ledit bord (8) est un bord ouvert comprenant une partie de paroi latérale supérieure (8a) qui est en saillie vers l'intérieur à partir de la périphérie supérieure de ladite partie de cuvette (3) dans une direction approximativement horizontale, et une partie de paroi latérale intérieure (8b) qui est étendue à partir d'un bord intérieur de ladite partie de paroi latérale supérieure (8a) dans une direction approximativement verticale,
    une partie échelonnée (8c) est formée de manière telle qu'elle est en saillie de façon approximativement parallèle à ladite partie de paroi latérale supérieure (8a) dans la partie intérieure dudit bord ouvert (8), et
    ledit canal de bord (7) guide l'eau qui est éjectée à partir du dispositif de lavage (2) le long de la partie échelonnée (8c).
  2. Toilettes à chasse d'eau de type occidental comprenant un corps de toilettes de type occidental (1) comprenant une partie de cuvette (3) et un bord (18) qui est formé au niveau d'une périphérie supérieure de ladite partie de cuvette (3) et qui possède un canal de bord (7) dans la partie intérieure de celui-ci, et
    un dispositif de lavage (2) qui est capable de faire jaillir de l'eau jusqu'audit canal de bord (7), dans lesquelles ladite eau qui est éjectée à partir dudit dispositif de lavage (2) est fournie pour laver ladite partie de cuvette (3) par l'intermédiaire dudit canal de bord (7),
    caractérisé en ce que,
    au niveau de la transition de ladite partie de cuvette (3) et dudit bord (18), une surface intérieure dudit bord (18) est positionnée vers l'extérieur par rapport à une face de cuve (3a) de ladite partie de cuvette (3),
    ledit bord (18) est un bord ouvert comprenant une partie de paroi latérale supérieure (8a) qui est en saillie vers l'intérieur à partir de la périphérie supérieure de ladite partie de cuvette (3) dans une direction approximativement horizontale, et une partie de paroi latérale intérieure (18b) qui est étendue à partir d'un bord intérieur de ladite partie de paroi latérale supérieure (8a) dans une direction approximativement verticale,
    une partie échelonnée (8c) est formée de manière telle qu'elle soit en saillie de façon approximativement parallèle à ladite partie de paroi latérale supérieure (8a) dans la partie intérieure dudit bord ouvert (18), et
    ledit canal de bord (7) guide l'eau qui est éjectée à partir du dispositif de lavage (2) le long de la partie échelonnée (8c).
  3. Toilettes à chasse d'eau de type occidental selon la revendication 1 ou 2,
    dans lesquelles ledit canal de bord (7) guide ladite eau pour ne pas s'écouler immédiatement vers le bas, mais pour s'écouler progressivement vers le bas jusqu'à ladite face de cuve (3a) de ladite partie de cuvette (3) tout en tourbillonnant de façon satisfaisante dans ledit canal de bord (7).
EP01912415A 2000-04-10 2001-03-15 W.c. de type occidental Expired - Lifetime EP1273726B1 (fr)

Applications Claiming Priority (17)

Application Number Priority Date Filing Date Title
JP2000107497 2000-04-10
JP2000107497A JP2001288799A (ja) 2000-04-10 2000-04-10 洋風水洗式便器
JP2000109259 2000-04-11
JP2000109259A JP4116226B2 (ja) 2000-04-11 2000-04-11 洋風水洗式便器
JP2000109256 2000-04-11
JP2000109256A JP3815945B2 (ja) 2000-04-11 2000-04-11 洋風水洗式便器
JP2000124064A JP2001303650A (ja) 2000-04-25 2000-04-25 洋風水洗式便器
JP2000124116A JP2001303648A (ja) 2000-04-25 2000-04-25 洋風水洗式便器
JP2000124064 2000-04-25
JP2000124116 2000-04-25
JP2000132082A JP3761765B2 (ja) 2000-05-01 2000-05-01 洋風水洗式便器
JP2000132085 2000-05-01
JP2000132084A JP4080138B2 (ja) 2000-05-01 2000-05-01 洋風水洗式便器
JP2000132085A JP2001311208A (ja) 2000-05-01 2000-05-01 洋風水洗式便器
JP2000132082 2000-05-01
JP2000132084 2000-05-01
PCT/JP2001/002080 WO2001077452A1 (fr) 2000-04-10 2001-03-15 W.c. occidental

Publications (3)

Publication Number Publication Date
EP1273726A1 EP1273726A1 (fr) 2003-01-08
EP1273726A4 EP1273726A4 (fr) 2004-12-01
EP1273726B1 true EP1273726B1 (fr) 2008-07-16

Family

ID=27573698

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01912415A Expired - Lifetime EP1273726B1 (fr) 2000-04-10 2001-03-15 W.c. de type occidental

Country Status (9)

Country Link
US (2) US20030140406A1 (fr)
EP (1) EP1273726B1 (fr)
KR (1) KR100670437B1 (fr)
CN (2) CN101418590A (fr)
AT (1) ATE401466T1 (fr)
DE (1) DE60134843D1 (fr)
ES (1) ES2310176T3 (fr)
HK (1) HK1055323A1 (fr)
WO (1) WO2001077452A1 (fr)

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JP6628025B2 (ja) * 2015-08-10 2020-01-08 Toto株式会社 水洗大便器
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US11965322B2 (en) * 2018-09-28 2024-04-23 Kohler Co. Flush toilet
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Also Published As

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WO2001077452A1 (fr) 2001-10-18
ATE401466T1 (de) 2008-08-15
US20030140406A1 (en) 2003-07-31
CN1422355A (zh) 2003-06-04
EP1273726A4 (fr) 2004-12-01
US20050166308A1 (en) 2005-08-04
HK1055323A1 (en) 2004-01-02
KR100670437B1 (ko) 2007-01-18
CN101418590A (zh) 2009-04-29
DE60134843D1 (de) 2008-08-28
ES2310176T3 (es) 2009-01-01
CN100441789C (zh) 2008-12-10
EP1273726A1 (fr) 2003-01-08
KR20030023619A (ko) 2003-03-19

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