EP0781366A1 - W.-c. avec reservoir de chasse - Google Patents

W.-c. avec reservoir de chasse

Info

Publication number
EP0781366A1
EP0781366A1 EP95932275A EP95932275A EP0781366A1 EP 0781366 A1 EP0781366 A1 EP 0781366A1 EP 95932275 A EP95932275 A EP 95932275A EP 95932275 A EP95932275 A EP 95932275A EP 0781366 A1 EP0781366 A1 EP 0781366A1
Authority
EP
European Patent Office
Prior art keywords
cistern
water
closet
toilet bowl
flushing
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.)
Granted
Application number
EP95932275A
Other languages
German (de)
English (en)
Other versions
EP0781366B1 (fr
Inventor
Curt Lennart Hammarstedt
Arne Sassan WAHLSTRÖM
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.)
Ifo Sanitar AB
Original Assignee
Ifo Sanitar AB
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 Ifo Sanitar AB filed Critical Ifo Sanitar AB
Publication of EP0781366A1 publication Critical patent/EP0781366A1/fr
Application granted granted Critical
Publication of EP0781366B1 publication Critical patent/EP0781366B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
    • E03D1/01—Shape or selection of material for flushing cisterns
    • E03D1/012—Details of shape of cisterns, e.g. for connecting to wall, for supporting or connecting flushing-device actuators
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
    • E03D1/24—Low-level flushing systems
    • E03D1/26—Bowl with flushing cistern mounted on the rearwardly extending end of the bowl

Definitions

  • the present invention relates to a water-closet with a flushing cistern of the type as defined in the preamble to claim 1.
  • Water-closets or toilets have in most cases a water tank or cistern, which is connected to the actual toilet bowl and serves to accommodate the volume of water needed for flushing.
  • this water cistern has been made of the same kind of porcelain as the toilet bowl itself and has then been screwed to this by means of bolts extending through the bottom of the cistern.
  • a water-filling and flushing system is mounted, and the supply conduit to this also extends through the bottom of the cistern.
  • the water cistern is at the upper end closed with a porcelain cover, through which the operating member of the flushing mechanism or system extends.
  • the porcelain cover is in many cases loosely arranged on the cistern and is held in place by a sleeve nut being passed through a hole in the cover and screwed together with the corresponding threaded pipe of the flushing mechanism or system.
  • This prior-art con ⁇ struction suffers from many drawbacks. For instance, it is often difficult to achieve tightness in the passages through the bottom of the flushing cistern and provide an attractive and permanent joint in the transition between the toilet bowl and the cistern bot ⁇ tom.
  • a further drawback is that maintenance, e.g.
  • ex ⁇ change of the bottom valve in the flushing cistern is difficult to carry out on the one hand owing to the nar ⁇ row space in the mounted flushing cistern and, on the other hand, because the flushing cistern must, precisely when exchanging the bottom valve, be detached from the toilet bowl.
  • a further drawback of this known type of toilets is that at high temperatures and high humidity a large amount of condensation forms on the outside of the flushing cistern.
  • it is known to install an inner cistern in the porcelain tank of a toilet An example of this technique is a toilet sold by IFO Sanitar AB under the trademark Carat.
  • the inner cistern has outwardly directed flange portions forming shoulders, by which the inner cistern rests against a supporting surface of the toilet bowl.
  • For securing the inner cistern to the toilet bowl use is made of a number of clamping screws which, from the inside of the inner cistern, have been passed through the flange portions of the inner cistern and down into the corresponding hole in the supporting surface of the toilet bowl.
  • the outer cistern can be dislodged even by minor forces which are directed to the upper part of the outer cistern. More ⁇ over, any maintenance or exchange of the bottom valve and the filling and flushing system is connected with the requirement of screwing off the inner cistern from the toilet bowl, which is an operation that necessitates qua- lified mechanics.
  • An object of the present invention is to meet this demand, and this is achieved if the water-closet is designed as defined in claim 1.
  • the invention thus relates to a water-closet hav ⁇ ing a toilet bowl and a flushing fluid cistern attached thereto.
  • This comprises an inner cistern and a casing or outer cistern.
  • the inner cistern rests against the toilet bowl by means of an external flange which also forms a supporting surface for the casing.
  • the inner cistern is secured to the toilet bowl by fastening means which are arranged on the outside of the inner cistern and engage with the flange of the inner cistern.
  • Above and at a dis- tance from the supporting surface there is at least one locking projection extending over the supporting surface.
  • On the outside of the cistern there is at least one turnable locking hook.
  • the casing has an inwardly directed flange at least at the locking projection or projections and at the locking hook or hooks and is fixed to said supporting surface by means of these projections and hooks.
  • the inner cistern and the outer cistern are designed in such a manner that the inner cistern has an outwardly directed flange or is con ⁇ nected with a bottom plate, the outer edge of which forms this flange.
  • the flange forms a supporting surface for the lower edge of the outer cistern and can also form a seal between the lower edge of the outer cistern and a supporting surface of the toilet bowl.
  • the inner cistern is attached to the toilet bowl by means of fastening ele ⁇ ments which are secured to the outwardly directed flange and therefore are located outside the flushing fluid space of the inner cistern.
  • the inner cistern comprises on the one hand one or more locking projections, under which the corresponding flange of the outer cistern can be insert ⁇ ed, and, on the other hand, at least one turnable locking hook, which is turnably attached on the outside of the inner cistern, preferably on the outwardly directed flange, and the shaft of which is accessible from the outside of the water-closet.
  • the filling and flushing system or flushing device is mounted in the inner cistern and its operating member projects through a hole in the top of the outer cistern.
  • a sleeve nut can be used to stabilise the flushing system or device relative to the outer tank, but when using the invention, it is not necessary for this sleeve nut and the flushing system or device to take up any forces for retaining the outer cistern, since this is held in place by the fastening means arranged at the lower end.
  • the torque at the points of attachment will be much smaller when applying an over- turning pressure to the outer cistern as compared with the above-mentioned known construction of the inner and outer cisterns.
  • the invention aJsn confers the advantage that the outer flange of the inner cistern can serve as attachment for the necessary inlet pipe which is to be connected to the water conduit. If desired, when using the invention it is therefore possible to assemble in advance the inner cistern, connection pipe, filling and flushing system, bottom valve and distributing or flushing pipe to a single unit, which in simple motions can be put in place and secured to the toilet bowl. It is particularly advan ⁇ tageous if the flushing pipe is joined to the bottom valve in a fixed and completely sealed fashion and there ⁇ fore is independent of the fitting problems connected with a flushing pipe that is loosely arranged in the toilet bowl.
  • the outer cistern can be moved down over and be fastened under the locking projection or projections of the inner cistern and then be secured by means of the turnable hook or hooks accessible from the outside, while the flange of the inner cistern serves as a sealing insert between the lower edge of the outer tank and the corresponding supporting surface of the toilet bowl.
  • Fig. 1 is a vertical section approximately of the centre of the toilet bowl with a mounted flushing cis- tern.
  • Fig. 2 is a sectional view approximately along line II-II in Fig. 1.
  • Fig. 3 is a top plan view of the rear end of the toilet bowl and the pit formed therein for insertion of a flushing pipe included in the flushing system.
  • Fig. 4 is a vertical section similar to Fig. 1, illu ⁇ strating the mounting of the inner cistern on the toilet bowl.
  • Fig. 5 is the corresponding vertical section after mount- ing of the inner cistern.
  • Fig. 6 is the same vertical section after slipping down the outer cistern onto the inner cistern so as to be attached around this.
  • the drawings illustrate a water-closet having a toilet bowl 10, at the rear end of which there is a pit 11 for receiving a distributing or flushing pipe 12, whose two branches are passed through openings 13 in the pit wall and are connected to flushing nozzles (not shown) inside the rim 14 of the toilet bowl.
  • a seat 15 At the upper edge of the pit 11, there is a seat 15. Inside this seat, there are inwardly directed wall portions 16 having through-holes 17 for fastening means which will be de ⁇ scribed below.
  • the water-closet also comprises an inner cistern 18, which is made of some suitable plastic material.
  • the bottom 19 of the inner cistern is attached to a cistern or bottom plate 20, which extends outside the bottom 19 to form an outwardly directed cir ⁇ cumferential flange 21.
  • this flange may be integrated with the inner cistern.
  • the flange 21 rests against the seat 15 of the toilet bowl.
  • the flange 21 serves as attachment for fastening means 22, which in this case are in the form of expansion bolts, which are accessible from the upper side of the flange and which in the mounted position of the inner cistern extend down through the above-mentioned through-holes 17 to hold the inner cistern hard against the seat 15.
  • the heads of the expansion bolts can abut directly against the flange 21 (not shown in this embodiment) , but can also (as is the case in the preferred embodiment as shown) abut indirect ⁇ ly against the flange 21.
  • this is thus formed with a shoulder 38 spaced from the bottom plate 20 and the sup ⁇ porting surface 39 formed thereof.
  • the fastening means 22 engage with this shoulder 38 and the flange 21, which results in the cistern being very strongly secured.
  • the bottom plate can be formed with upwardly directed lugs 40 which prevent the fastening bolts of the fastening means 22 from being inclined.
  • the inner cistern 18 On the front of the inner cistern 18 there are for- wardly projecting holding-down or locking projections 23, which are arranged at a short distance above the support ⁇ ing surface 39 of the flange 21.
  • the locking projection or projections 23 and the fixing hook or hooks 24 serve to lock a casing or outer cistern 25 which is slipped onto the inner cistern 21 and the lower edge of which rests against the supporting sur ⁇ face 39 of the flange 21 supported by the seat 15.
  • the casing 25 has at its lower end an inwardly pro ⁇ jecting flange 26 at least in the positions straight in front of the holding-down projection or projections 23 and the fixing hook or hooks 24.
  • the mutual distance between the locking projection 23 and the shaft of the opposite fixing hook 24 is so much smaller than the dis- tance between the inwardly directed free edges of the corresponding inwardly directed flanges 26 at the lower edge of the casing 25 that the casing, when being mount ⁇ ed, can be slipped onto the inner cistern, pushed back- wards such that the flange 26 on the front of the casing is pushed in between the locking projection 23 and the flange 21 and is then fixed in place by turning the fix ⁇ ing hook 24, which thus engages over the flange 21 (see Fig. 1).
  • the stub shaft of the hook may have a hexagonal hole in its free end face for receiving a hex key wrench.
  • a filling and flush ⁇ ing system or flushing device 27 has been mounted in the inner cistern 18 by an external threaded connecting piece 28 being passed through a hole in the bottom 19 of the cistern and in the flange-forming cistern plate 20, such that the device 27, by an abutment surface 30, comes into abutment against the cistern plate. Between the abutment surface and the cistern bottom 19, a sealing ring 30 is suitably inserted.
  • a sleeve-shaped locking nut 31 is screwed to the downwardly extending portion of the con ⁇ necting piece 28 and adapted to clamp the flushing device in the cistern and to simultaneously clamp the cistern plate 20 against the cistern bottom 19.
  • the distributing pipe 12 is then attached to the sleeve-shaped locking nut 31, for instance by being snap ⁇ ped over this.
  • the cistern plate 20 can suitably have downwardly projecting stabilising projections 32, which ensure that the two branches of the distributing pipe 12 are oriented in the correct, forwardly directed posi ⁇ tions.
  • the cis ⁇ tern 18 has indentations 33 in the positions where the fastening means 22 and the locking hooks 24 are arranged.
  • the toilet bowl 10 also has indentations 41 in the positions of the locking hooks 24, which thus become accessible from the outside of the inner cistern, the outwardly directed flange 21 of the inner cistern 18 extending as a roof over this indentation.
  • a con- necting pipe 34 with coupling means 35 is also attached to the flange portion 21 of the cistern plate 20 and is extended along one of the indentations 33 to the upper edge of the inner cistern and from there to the flushing device 27.
  • the operating member 36 of the device is extended upwards, such that it extends through a passage in the top of the casing 25.
  • a sleeve nut 37 is in prior-art manner used to stabilise the position of the operating member 36 in the passage.
  • this sleeve nut and the flushing device need not take up any forces for clamping the outer cis ⁇ tern or casing to the toilet bowl, but it is sufficient if the sleeve nut stabilises the position of the flushing device relative to the casing.
  • the invention has been shown in connection with a special type of filling and flushing system.
  • the invention may also be used for all types of filling and flushing systems which are mounted in a flushing fluid tank. Instead of a separate bottom plate or flange, it is possible in some systems to weld or in some other manner permanently attach the plate or flange to the inner cistern.
  • the invention also makes it possible to design a water cistern, in which the cistern and the flushing sys- tem are permanently joined together and completely with ⁇ out passages, which may cause water leakage.

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)

Abstract

La présente invention se rapporte à un W.-C. comportant une cuvette (10) à laquelle est fixé un réservoir de fluide de chasse (18, 25). Ce dernier est constitué d'un réservoir interne (18) et d'une enveloppe ou réservoir externe (25). Le réservoir interne repose contre la cuvette au moyen d'un rebord externe (21, 38, 40) qui forme également une surface de support (39) de l'enveloppe (25). Le réservoir interne est assujetti à la cuvette par des moyens de fixation (22) qui sont disposés à l'extérieur du réservoir interne et sont en prise avec le rebord (21, 38, 40) de ce dernier. Au-dessus et à distance de la surface de support (39), au moins une partie saillante de blocage (23) fait saillie par-dessus la surface de support. Au moins un crochet de blocage rotatif (24) est également disposé à l'extérieur du réservoir. L'enveloppe (25) possède un rebord (26) dirigé vers l'intérieur, situé au moins au niveau de la ou des parties saillantes de blocage (23) et au niveau du ou des crochets de blocage (24), et est fixée sur la surface de support (39) au moyen de ces parties saillantes (23) et crochets (24).
EP95932275A 1994-09-12 1995-09-11 W.-c. avec reservoir de chasse Expired - Lifetime EP0781366B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9403033A SE502570C2 (sv) 1994-09-12 1994-09-12 Vattenklosett med spolcistern som omfattar en inner- och yttercistren
SE9403033 1994-09-12
PCT/SE1995/001017 WO1996008615A1 (fr) 1994-09-12 1995-09-11 W.-c. avec reservoir de chasse

Publications (2)

Publication Number Publication Date
EP0781366A1 true EP0781366A1 (fr) 1997-07-02
EP0781366B1 EP0781366B1 (fr) 2000-08-23

Family

ID=20395199

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95932275A Expired - Lifetime EP0781366B1 (fr) 1994-09-12 1995-09-11 W.-c. avec reservoir de chasse

Country Status (8)

Country Link
EP (1) EP0781366B1 (fr)
JP (1) JPH10505642A (fr)
AU (1) AU3536595A (fr)
DE (1) DE69518532T2 (fr)
DK (1) DK0781366T3 (fr)
PL (1) PL178962B1 (fr)
SE (1) SE502570C2 (fr)
WO (1) WO1996008615A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2802227B1 (fr) * 1999-12-14 2002-10-31 Prod Ceramiques De Touraine Ensemble sanitaire comportant un reservoir de chasse d'eau et une cuvette de toilettes
ITUB20153808A1 (it) * 2015-09-22 2017-03-22 Oliveira & Irmao Sa Serbatoio per una cassetta di risciacquo

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3965493A (en) * 1975-03-12 1976-06-29 Bemis Manufacturing Company Water closet tank
EP0319467A1 (fr) * 1987-12-01 1989-06-07 Geberit AG Réservoir de chasse d'eau avec un corps d'isolation placé à l'extérieur
US5295273A (en) * 1992-01-22 1994-03-22 Kohler Company Pressurized flush toilet coupling
EP0615026A1 (fr) * 1993-02-05 1994-09-14 Malte Fierlings Appareil de chasse d'eau pour W.C.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1909196A1 (de) * 1969-02-24 1970-09-10 Beko Betr Smittelkontor Gmbh K Verfahren zur voruebergehenden Kennzeichnung von zu reinigenden Kleidungsstuecken sowie Vorrichtung zur Durchfuehrung eines solchen Verfahrens
US4136778A (en) * 1975-08-12 1979-01-30 Burlington Industries, Inc. Linen sorter
GB1586511A (en) * 1977-06-15 1981-03-18 Polymark Int Ltd Heat transfers
GB2073550B (en) * 1980-04-03 1984-06-27 Standard Telephones Cables Ltd Article sorting
WO1993004855A1 (fr) * 1991-09-11 1993-03-18 Mahn John E Sr Decalques thermoactives avec caracteres lisibles par machine
DE4309914A1 (de) * 1993-03-26 1994-09-29 Licentia Gmbh Einrichtung zum automatischen Erkennen von Textilien sowie deren automatische Zuordnung zu den einzelnen Wäschebehandlungsprogrammen von Wäschebehandlungsmaschinen
DE69323293T2 (de) * 1993-04-14 1999-09-09 Gustafson Elektronische Vorrichtung zur Kennzeichnung
DE4321962A1 (de) * 1993-07-01 1995-01-12 Electrolux Therma Gmbh Vorrichtung zum Erfassen von Geschirr- und Besteckteilen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3965493A (en) * 1975-03-12 1976-06-29 Bemis Manufacturing Company Water closet tank
EP0319467A1 (fr) * 1987-12-01 1989-06-07 Geberit AG Réservoir de chasse d'eau avec un corps d'isolation placé à l'extérieur
US5295273A (en) * 1992-01-22 1994-03-22 Kohler Company Pressurized flush toilet coupling
EP0615026A1 (fr) * 1993-02-05 1994-09-14 Malte Fierlings Appareil de chasse d'eau pour W.C.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9608615A1 *

Also Published As

Publication number Publication date
EP0781366B1 (fr) 2000-08-23
JPH10505642A (ja) 1998-06-02
WO1996008615A1 (fr) 1996-03-21
DE69518532D1 (de) 2000-09-28
SE9403033L (sv) 1995-11-13
PL178962B1 (pl) 2000-07-31
AU3536595A (en) 1996-03-29
DE69518532T2 (de) 2001-01-11
PL319094A1 (en) 1997-07-21
DK0781366T3 (da) 2000-11-13
SE502570C2 (sv) 1995-11-13
SE9403033D0 (sv) 1994-09-12

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