EP0780201B1 - Ceramic sanitary article - Google Patents

Ceramic sanitary article Download PDF

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Publication number
EP0780201B1
EP0780201B1 EP96118571A EP96118571A EP0780201B1 EP 0780201 B1 EP0780201 B1 EP 0780201B1 EP 96118571 A EP96118571 A EP 96118571A EP 96118571 A EP96118571 A EP 96118571A EP 0780201 B1 EP0780201 B1 EP 0780201B1
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EP
European Patent Office
Prior art keywords
wall
cavity
water
sanitary element
element according
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Expired - Lifetime
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EP96118571A
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German (de)
French (fr)
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EP0780201A1 (en
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Villeroy and Boch AG
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Villeroy and Boch AG
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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03DWATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D11/00Other 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
    • E03D11/02Water-closet bowls ; Bowls with a double odour seal optionally with provisions for a good siphonic action; siphons as part of the bowl
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00Producing shaped prefabricated articles from the material
    • B28B1/26Producing shaped prefabricated articles from the material by slip-casting, i.e. by casting a suspension or dispersion of the material in a liquid-absorbent or porous mould, the liquid being allowed to soak into or pass through the walls of the mould; Moulds therefor ; specially for manufacturing articles starting from a ceramic slip; Moulds therefor
    • B28B1/261Moulds therefor
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03DWATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D2201/00Details and methods of use for water closets and urinals not otherwise provided for
    • E03D2201/40Devices for distribution of flush water inside the bowl

Definitions

  • the invention relates to a ceramic sanitary part with a projecting wall part, the is suitable, when it is formed in the casting mold on two opposite sides to be framed by the same mold part.
  • the invention has for its object to the possibilities of the die casting process expand.
  • the wall part has a double-walled design with a cavity closed at the end.
  • the cavity which is not desired per se, can remain very narrow, so that the space conditions are not changed significantly compared to the previous full wall design.
  • it allows the wall of the molded part to become detached from the surface of the casting mold when the water is back-pressure or to loosen enough.
  • the cavity created will simply remain can. If necessary, you can cut away one wall. In particular, it also says a sensible use of the cavity, for example as a water channel:
  • a particularly advantageous embodiment of the invention is provided on a toilet, which in a manner known per se following the water inlet connection, a central nozzle directed obliquely downwards and above it a mouth into a water distributor running around the edge of the basin, at the height of which another cavity extends to the rear edge of the toilet, and has two orifices in the basin wall arranged to the side of the nozzle.
  • the water distributor is opened on both side edges of the toilet after the further cavity mentioned and from this two water channels according to the, uniform or subdivided, cavity of a, uniform or subdivided, double-walled design arranged below and to the side of the water inlet connection of the type mentioned are unc from this cavity further to the two mouths mentioned.
  • the double-walled design of the water inlet connector blocks the place where the water channels have so far been laid on the short path from the water distributor after the two outlets mentioned.
  • a new water channel is created after the two mouths, which builds up on the dynamic pressure in the water distributor and uses the newly created cavity in the wall of the water inlet connector on a section of its path.
  • the cavity at the other end than the axial end is likewise closed by a wall which is formed by two cores which collide on the vertical central plane of the lavatory and which protrude onto the mold parts forming the two sides of the lavatory.
  • the wall or a wall section of the water inlet pipe is double-walled according to the invention be there without using the created cavity.
  • the outlet sockets like the water inlet sockets, do not require an exact inside diameter and therefore the formation with a core. You can do what you need get exact outer diameter in the hollow casting process, in which the problem solved by the invention does not occur.
  • supports in addition to the wall fastening screws, in particular wall-hung toilets, bidets or urinals.
  • These supports can, for example, each be formed using a mandrel which projects in a box-shaped corner section on a casting mold part forming the rear of the sanitary part. The support is then only available on one side next to the screw, several times around the screw. But it is strong enough to absorb only the force with which the screw presses the sanitary part against the wall.
  • FIG. 1 a mold consisting of a lower part 1 and an upper part 2 is shown with a molding 3.
  • the molding 3 has a protruding wall part 4, from which, despite a slight draft, the upper part 2 cannot be removed if it is made of plastic. It would be possible to remove the mold from the rest of the molding, since the direction of movement would be perpendicular to it and not essentially parallel to the wall part 4.
  • the wall part 4 is double-walled or hollow. In the first place, a shape that comes close to the wall part 4 and is only somewhat wider is considered. In principle, however, a certain redesign is also possible, which can be useful in other ways.
  • FIG. 2 shows something of the sort with a box shape that extends more in width.
  • the toilet body has the usual basic structure of a wall-hung toilet.
  • the rear part appearing in FIG. 5 is designed to be attached to a wall and to be fastened to it by screws 7 reaching through openings.
  • a water inlet connection 8 and an outlet connection 9 are respectively plugged or plugged onto and into a corresponding pipe end emerging from the wall and sealed.
  • a pool 10 with an indented edge extends to the front.
  • a nozzle 11 leads obliquely downwards into the basin 10 in the middle.
  • the majority of the water flows through a, also cut out after molding, mouth 12 into a water distributor 13, which pulls under the inverting 14 at the pool edge.
  • the water flows here on a floor 15, from which passages 16 lead down into the basin 10.
  • the bottom 15 is lost in the front area of the edge, but the flow continues there.
  • the two branches come together at the foremost point.
  • the basin is also flushed at the front by leakage of water under the invert 14; see arrow 17 in FIG. 4.
  • two orifices 18 are arranged in the basin wall below and to the side of the nozzle 11.
  • the two water ducts, designated 19 in FIG. 11, to these openings 18 pass through a wide variety of cavities in the lavatory body, which will be discussed in more detail below.
  • a channel 23 grows out of the cavity 20 in relation to the toilet body inwards and downwards. On the outside, it presents itself as a curved cheek 50 (see also FIGS. 4 and 5).
  • the channels 23 of the two cavities 20 open between the sections VII-VIII and IX-IX into a cavity 24, which is shown in FIG. 9.
  • the cavity 24 could also be divided in the middle instead of uniformly.
  • two channels 25 leave the cavity 24 again.
  • the channels 25 appearing in FIG. 10 lead into the openings 18.
  • the above-mentioned two water channels 19 thus extend from the water distributor 13 through the cavities 20, the channels 23, the cavity 24 and the channels 25. This is illustrated in FIGS. 7 to 11 by puncturing the spaces.
  • the cavity 24 is created by a double-walled in the lower and lateral area Formation of the water inlet pipe 8.
  • the inner wall is 26, the outer wall designated 27. You are at the entrance end of the water inlet connection 8 connected by an end wall 28. The other axial end of the cavity 24 formed by a wall 29.
  • the toilet body is made in one of two side mold parts, an upper mold part and a rear mold part existing mold.
  • Fig. 5 shows these designs in view.
  • a corresponding core forms the slightly conical interior of the water inlet connector 8.
  • the already mentioned inner wall 26 of the cavity 24 is deposited on it.
  • two wall sections 30 (FIG. 9) in the two upper lateral areas, which have been delimited on the outside by the two lateral mold parts.
  • an upper wall section 31 has been deposited in the hollow casting on the core under an intermediate space 32 which is open towards the water distributor 13 (FIG. 4).
  • the intermediate space 32 has not been set up according to the invention, but is present anyway. The problem on which the invention is based does not exist here, since the cover 33 is formed above the intermediate space 32 by the upper mold part, which is not removed to the rear but to the top.
  • the design according to the invention is the double wall 26, 27 and the cavity 24:
  • the outer wall 27 is just as wide by a on the rear mold part like the mandrel forming the interior of the water inlet connection 8 projecting forward Formed a lead. As can be seen in Fig. 4, when removing the back Mold part of the core at the top of the inner wall 26 and the projection slide along the underside of the outer wall 27.
  • the axial length of these two surfaces extends over the axial extent of the cavity 24 with its axial walls 28 and 29 in a normal area Core molding between the core and the protrusion and two on the vertical Middle level of the toilet clashing cores on the two side Project mold parts and in addition to continuations of walls 26 and 27 also form the wall 29.
  • the space 37 formed by the colliding nuclei is perpendicular to the plane of the drawing in FIG. 4 as one shown in FIG. 10 Spatial connection between the two open sides. A pretty much the same and on Space connection 38 generated in the same way exists on the other side of the nozzle 11.
  • the cores forming the spaces 37 and 38 create the wall of the nozzle 11 1 in Shape of a short pipe connection 39 (Fig. 10).
  • the nozzle 11 is after shaping cut out in the not yet dried "leather-hard" mass, likewise the mouth 12.
  • the box-shaped corner sections 21 already mentioned above are also double-walled according to the invention with a specially arranged inner wall 41 and a cavity 43 formed between this and an outer wall 42, which is closed at the end by a rear wall forming a contact surface of the toilet body on the wall of the room 44.
  • the inner wall 41 is in each case created by a core protruding from the rear mold part, the cross section of which can be recognized by the cross section of the remaining mold cavity 45 appearing in FIGS. 5 and 7.
  • the mold cavity is open at the rear and closed at the front by an end wall 46 (FIG. 3) deposited on the end face of the core. For example, it is 3 to 4 cm deep.
  • the cavity 43 is open towards the cavity 20.
  • the inventive measure is only taken for the two sections of the outer wall 42 of the box-shaped corner sections which lie within the lavatory body circumference and which are formed exclusively by the rear mold part.
  • the outer side walls of the corner sections lying on the periphery of the lavatory body are formed by the two lateral mold parts and the upper mold part, which are not removed to the rear.
  • the outer wall 42 replaces when manufactured in plaster molds on various Web 7 arranged sides of the opening.
  • the lower section of the outer wall 42 is therefore pulled obliquely downwards, together with the edge 47 of the To form the lavatory body an acute angle, which is also approximately on both sides the opening 7 is supported.
  • the openings 7 are accessible from the front in order to set the fastening screws; the two sides of the lavatory body are drawn in so far under and behind the basin 10 that the abutment of the lavatory body on the wall of the room, on the other hand, is widened to the sides and the openings 7 are arranged in the widenings designated 48.
  • the front walls of the widenings 48 can be seen from the rear in FIGS. 4 and 5.
  • the drain connector 9 is formed as a pure hollow casting in a slightly conical depression of the rear mold part.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Public Health (AREA)
  • Manufacturing & Machinery (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Producing Shaped Articles From Materials (AREA)
  • Inorganic Insulating Materials (AREA)
  • Special Chairs (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)

Abstract

A plastic mould is used for pressure-diecasting, forming a double-skinned wall (26-28) containing a chamber (24) closed at the ends (28). The chamber can be used to supply water (19), forming an inlet union, particularly in a wall-mounted toilet or bidet, and also a wall-support (8) alongside an opening for a fixing screw. A central nozzle (11) can be inclined downwards from the union, and above which is an opening in a water distributor (13) running round the basin top edge (10). Level with the distributor is a further chamber (20) extending to the basin rear edge, and there are two outlets (18) in the basin wall to the side of the nozzle. The distributor is open to the further chamber. From the latter, two water guides (19) run to the first chamber (24), and from there to the outlets at the sides of the nozzle.

Description

Die Erfindung betrifft ein keramisches Sanitärteil mit einem vorragenden Wandteil, das geeignet ist, bei seiner Ausformung in der Gießform an zwei gegenüberliegenden Seiten von demselben Gießformteil eingefasst zu werden.The invention relates to a ceramic sanitary part with a projecting wall part, the is suitable, when it is formed in the casting mold on two opposite sides to be framed by the same mold part.

Sanitärteile mit solchen Ausbildungen, insbesondere eines Leitungs-Anschlußstutzens an der Rückseite, können in dem herkömmlichen Hohlgußverfahren in Gipsformen ohne weiteres hergestellt werden. Beim Druckgußverfahren entstehen jedoch Schwierigkeiten. Das Druckgußverfahren, im Prinzip der gleiche Hohlguß, nur mit Einführung des Gießschlickers unter Druck, verlangt aus Festigkeitsgründen Kunststofformen. An der Kunststoffoberfläche haftet der Formling in einem solchen Maße, daß er nur durch einen kurzzeitigen Rückdruck des Wassers abgelöst werden kann. Bei hervorstehenden, von ein und demselben Gießformteil beidseitig eingefaßten, schmalen Gestaltungen führt jedoch auch der Rückdruck nicht zum Ablösen. Insoweit sind die Gestaltungsmöglichkeiten beim Druckgußverfahren bisher beschränkt geblieben.Sanitary parts with such training, in particular a pipe connector the back, can in the conventional hollow casting process in plaster molds without more will be made. Difficulties arise with the die casting process. The die casting process, in principle the same hollow casting, only with the introduction of Gießschlickers under pressure requires plastic molds for strength reasons. At the The molding adheres to the plastic surface to such an extent that it can only be brief back pressure of the water can be released. When protruding from a and the same mold part, narrow designs bordered on both sides, however also the back pressure cannot be removed. In this respect, the design options are with Die casting processes have so far been limited.

Der Erfindung liegt die Aufgabe zugrunde, die Möglichkeiten des Druckgußverfahrens zu erweitern.The invention has for its object to the possibilities of the die casting process expand.

Gemäß der Erfindung ist zu diesem Zweck vorgesehen, daß bei einem Sanitärteil mit einer Gestaltung der eingangs angegebenen Art das Wandteil doppelwandig ausgebildet worden ist mit einem stimseitig geschlossenen Hohlraum.
Bei dieser Gestaltung ist die Herstellung im Druckgussverfahren mittels einer Gießform aus Kunststoff möglich. Der an sich nicht gewünschte Hohlraum kann sehr schmal bleiben, so daß die Platzverhältnisse im Vergleich zu der bisherigen vollen Wandausbildung nicht wesentlich geändert werden. Er läßt aber zu, daß sich die Wandung des Formteiles hier bei Rückdruck des Wassers von der Oberfläche der Gießform ablöst oder immerhin genügend lockert.
According to the invention it is provided for this purpose that in the case of a sanitary part with a design of the type specified at the outset, the wall part has a double-walled design with a cavity closed at the end.
With this design, production in the die-casting process is possible using a plastic mold. The cavity, which is not desired per se, can remain very narrow, so that the space conditions are not changed significantly compared to the previous full wall design. However, it allows the wall of the molded part to become detached from the surface of the casting mold when the water is back-pressure or to loosen enough.

Der geschaffene Hohlraum wird in den meisten Fällen einfach vorhanden bleiben können. Nötigenfalls kann man die eine Wand wegschneiden. Insbesondere steht ferner eine sinnvolle Nutzung des Hohlraumes in Betracht, etwa als Wasserführung:In most cases, the cavity created will simply remain can. If necessary, you can cut away one wall. In particular, it also says a sensible use of the cavity, for example as a water channel:

Eine besonders vorteilhafte Ausgestaltung der Erfindung ist an einem Klosett vorgesehen, das in an sich bekannter Weise
im Anschluß an den Wasserzulaufstutzen eine schräg nach unten gerichtete zentrale Düse und
darüber eine Mündung in einen am Rand des Beckens umlaufenden Wasserverteiler, in dessen Höhe sich ein weiterer Hohlraum bis an den hinteren Rand des Klosetts zieht,
sowie zwei seitlich der Düse angeordnete Ausmündungen in der Beckenwandung aufweist.
Hier ist nach der Erfindung vorgesehen, daß der Wasserverteiler an beiden Seitenrändern des Klosetts nach dem genannten weiteren Hohlraum hin geöffnet ist und von diesem zwei Wasserführungen nach dem, einheitlichen oder unterteilten, Hohlraum einer, einheitlichen oder unterteilten, unterhalb und seitlich des Wasserzulaufstutzens eingerichteten doppelwandigen Ausbildung der genannten Art gelegt sind unc von diesem Hohlraum weiter zu den beiden genannten Ausmündungen.
A particularly advantageous embodiment of the invention is provided on a toilet, which in a manner known per se
following the water inlet connection, a central nozzle directed obliquely downwards and
above it a mouth into a water distributor running around the edge of the basin, at the height of which another cavity extends to the rear edge of the toilet,
and has two orifices in the basin wall arranged to the side of the nozzle.
It is provided according to the invention that the water distributor is opened on both side edges of the toilet after the further cavity mentioned and from this two water channels according to the, uniform or subdivided, cavity of a, uniform or subdivided, double-walled design arranged below and to the side of the water inlet connection of the type mentioned are unc from this cavity further to the two mouths mentioned.

Die doppelwandige Ausbildung des Wasserzulaufstutzens versperrt den Platz, an dem bisher die Wasserführungen auf kurzem Wege aus dem Wasserverteiler nach den genannten beiden Ausmündungen gelegt sind. Mit der vorstehenden Lösung ist eine neue Wasserführung nach den beiden Ausmündungen geschaffen, die auf dem Staudruck in dem Wasserverteiler aufbaut und auf einem Abschnitt ihres Weges den neu geschaffenen Hohlraum in der Wandung des Wasserzulaufstutzens benutzt.
Vorzugsweise ist dabei der Hohlraum an dem anderen als dem stirnseitigen axialen Ende gleichfalls geschlossen durch eine Wand, die durch zwei auf der senkrechten Mittelebene des Klosetts zusammenstoßende Kerne gebildet ist, die an die beiden Seiten des Klosetts ausbildenden Gießformteilen vorspringen.
The double-walled design of the water inlet connector blocks the place where the water channels have so far been laid on the short path from the water distributor after the two outlets mentioned. With the above solution, a new water channel is created after the two mouths, which builds up on the dynamic pressure in the water distributor and uses the newly created cavity in the wall of the water inlet connector on a section of its path.
Preferably, the cavity at the other end than the axial end is likewise closed by a wall which is formed by two cores which collide on the vertical central plane of the lavatory and which protrude onto the mold parts forming the two sides of the lavatory.

Auch bei einem, insbesondere wandhängenden, Bidet oder Urinal kann die Wand oder ein Wandabschnitt des Wasserzulaufstutzens erfindungsgemäß doppelwandig ausgebildet sein, dort ohne eine Benutzung des geschaffenen Hohlraumes. Die Ablaufstutzen bedürfen nicht, wie die Wasserzulaufstutzen, eines genauen Innendurchmessers und daher der Formung mit einem Kern. Sie können den bei ihnen erforderlichen genauen Außendurchmesser im Hohlgußverfahren erhalten, bei dem das mit der Erfindung gelöste Problem nicht auftritt.Even with a, in particular wall-hung, bidet or urinal, the wall or a wall section of the water inlet pipe is double-walled according to the invention be there without using the created cavity. The outlet sockets, like the water inlet sockets, do not require an exact inside diameter and therefore the formation with a core. You can do what you need get exact outer diameter in the hollow casting process, in which the problem solved by the invention does not occur.

Ein weiterer möglicher Anwendungsfall der Erfindung sind die Stützen neben den Wandbefestigungsschrauben, insbesondere wandhängender Klosetts, Bidets oder Urinale.
Diese Stützen können z.B. jeweils unter Anwendung eines Dornes gebildet sein, der an einem die Rückseite des Sanitärteils bildenden Gießformteil in einem kastenförmigen Eckabschnitt vorspringt. Die Stütze ist dann nur auf einer Seite neben der Schraube vorhanden statt, mehrfach, um die Schraube herum. Sie ist aber kräftig genug, allein die Kraft aufzunehmen, mit der die Schraube das Sanitärteil an die Wand preßt.
Another possible application of the invention is the supports in addition to the wall fastening screws, in particular wall-hung toilets, bidets or urinals.
These supports can, for example, each be formed using a mandrel which projects in a box-shaped corner section on a casting mold part forming the rear of the sanitary part. The support is then only available on one side next to the screw, several times around the screw. But it is strong enough to absorb only the force with which the screw presses the sanitary part against the wall.

Die Zeichnungen geben ein Ausführungsbeispiel der Erfindung wieder.

  • Fig. 1 und 2 sind Prinzipdarstellungen,
  • Fig. 3 zeigt eine Draufsicht auf einen, teilweise aufgeschnittenen Klosettkörper,
  • Fig. 4 zeigt einen Schnitt nach Linie IV-IV in Fig. 3,
  • Fig. 5 zeigt eine Ansicht gemäß Fig. 3 von unten und gemäß Fig. 4 von rechts,
  • Fig. 6 zeigt einen Teil desselben Schnittes wie Fig. 4,
  • Fig. 7 zeigt einen Schnitt nach Linie VII-VII in Fig. 6,
  • Fig. 8 zeigt einen Schnitt nach Linie VIII-VIII in Fig. 6,
  • Fig. 9 zeigt einen Schnitt nach Linie IX-IX in Fig. 6,
  • Fig. 10 zeigt einen Schnitt nach Linie X-X in Fig. 6 und
  • Fig. 11 zeigt noch einmal einen kleineren Teil desselben Schnittes wie Fig. 4.
  • The drawings show an embodiment of the invention.
  • 1 and 2 are schematic diagrams,
  • 3 shows a plan view of a partially cut-away toilet body,
  • Fig. 4 shows a section along line IV-IV in Fig. 3,
  • 5 shows a view according to FIG. 3 from below and according to FIG. 4 from the right,
  • Fig. 6 shows part of the same section as Fig. 4,
  • Fig. 7 shows a section along line VII-VII in Fig. 6,
  • 8 shows a section along line VIII-VIII in FIG. 6,
  • 9 shows a section along line IX-IX in FIG. 6,
  • Fig. 10 shows a section along line XX in Fig. 6 and
  • FIG. 11 shows again a smaller part of the same section as FIG. 4.
  • In Fig. 1 ist eine aus einem Unterteil 1 und einem Oberteil 2 bestehende Gießform mit einem Formling 3 dargestellt. Der Formling 3 weist ein vorragendes Wandteil 4 auf, von dem trotz einer leichten Entformungsschräge das Oberteil 2 nicht abgezogen werden kann, wenn aus Kunststoff besteht. Das Abnehmen der Form von dem übrigen Formling wäre möglich, da die Bewegungsrichtung zu diesem dabei senkrecht wäre und nicht im wesentlichen parallel wie zu dem Wandteil 4.
    Nach der Erfindung wird das Wandteil 4 doppelwandig bzw. hohl ausgebildet. In erster Linie steht dabei eine dem Wandteil 4 nahekommende, lediglich etwas breitere Gestalt in Betracht.
    Grundsätzlich ebenfalls in Frage kommt jedoch eine gewisse Umgestaltung, die anderweitig dienlich sein kann. Etwas Derartiges zeigt Fig. 2 mit einer stärker in der Breite sich erstreckenden Kastenform. Wird hier durch Rückdruck des Wassers die Decke oder Stirnwand 5 ein wenig eingedrückt, wie mit dem mittleren Pfeil angedeutet, so hilft das überdies, die beiden Wände 6 von dem Formteil abzuziehen oder jedenfalls, sie zu lockern, wie es mit den beiden seitlichen Pfeilen angedeutet ist.
    Eine Gestaltung, die näher an Fig. 1 bleibt, ist unten im Rahmen des konkreten Beispieles des Klosettkörpers beschrieben.
    In Fig. 1, a mold consisting of a lower part 1 and an upper part 2 is shown with a molding 3. The molding 3 has a protruding wall part 4, from which, despite a slight draft, the upper part 2 cannot be removed if it is made of plastic. It would be possible to remove the mold from the rest of the molding, since the direction of movement would be perpendicular to it and not essentially parallel to the wall part 4.
    According to the invention, the wall part 4 is double-walled or hollow. In the first place, a shape that comes close to the wall part 4 and is only somewhat wider is considered.
    In principle, however, a certain redesign is also possible, which can be useful in other ways. FIG. 2 shows something of the sort with a box shape that extends more in width. If the ceiling or end wall 5 is pressed in a little by back pressure of the water, as indicated by the middle arrow, this also helps to pull the two walls 6 off the molded part or, in any case, to loosen them, as indicated by the two arrows at the side is.
    A design that remains closer to Fig. 1 is described below in the context of the specific example of the toilet body.

    Der Klosettkörper hat den üblichen Grundaufbau eines wandhängenden Klosetts. Der in Fig. 5 in Ansicht erscheinende rückwärtige Teil ist konzipiert, an eine Wand angesetzt und mit durch Öffnungen 7 greifenden Schrauben an dieser befestigt zu werden. Ein Wasserzulaufstutzen 8 und ein Ablaufstutzen 9 werden jeweils auf bzw. in ein entsprechendes aus der Wand heraustretendes Rohrende auf- bzw. eingesteckt und abgedichtet.
    Nach vorne erstreckt sich ein Becken 10 mit eingestülptem Rand.
    The toilet body has the usual basic structure of a wall-hung toilet. The rear part appearing in FIG. 5 is designed to be attached to a wall and to be fastened to it by screws 7 reaching through openings. A water inlet connection 8 and an outlet connection 9 are respectively plugged or plugged onto and into a corresponding pipe end emerging from the wall and sealed.
    A pool 10 with an indented edge extends to the front.

    Aus dem Innenraum des Wasserzulaufstutzens 8 führt eine Düse 11 in der Mitte schräg nach unten in das Becken 10 hinein.
    Die Hauptmenge des Wassers strömt durch eine, gleichfalls nach dem Formen ausge schnittene, Mündung 12 in einen Wasserverteiler 13, der sich unter der Umstülpung 14 am Beckenrand herumzieht. Das Wasser strömt hier auf einem Boden 15, von dem Durchlässe 16 nach unten in das Becken 10 führen. Im vorderen Bereich des Randes verliert sich der Boden 15. Die Strömung setzt sich dort aber fort. Am vordersten Punkt schlagen die beiden Zweige zusammen. Das Becken wird auch vorne durch Austritt von Wasser unter der Umstülpung 14 gespült; siehe Pfeil 17 in Fig. 4.
    Schließlich sind unterhalb und seitlich der Düse 11 zwei Ausmündungen 18 in der Beckenwand angeordnet. Die beiden, in Fig. 11 mit 19 bezeichneten, Wasserführungen zu diesen Ausmündungen 18 durchlaufen verschiedenste Hohlräume des Klosettkörpers, worauf im folgenden noch näher eingegangen wird.
    From the interior of the water inlet connection 8, a nozzle 11 leads obliquely downwards into the basin 10 in the middle.
    The majority of the water flows through a, also cut out after molding, mouth 12 into a water distributor 13, which pulls under the inverting 14 at the pool edge. The water flows here on a floor 15, from which passages 16 lead down into the basin 10. The bottom 15 is lost in the front area of the edge, but the flow continues there. The two branches come together at the foremost point. The basin is also flushed at the front by leakage of water under the invert 14; see arrow 17 in FIG. 4.
    Finally, two orifices 18 are arranged in the basin wall below and to the side of the nozzle 11. The two water ducts, designated 19 in FIG. 11, to these openings 18 pass through a wide variety of cavities in the lavatory body, which will be discussed in more detail below.

    Von dem Wasserverteiler 13 zweigt auf beiden Seiten ein zunächst kanalförmiger, im hinteren Bereich sich verbreiternder flacher Hohlraum 20 ab, der sich dann am hinteren Ende in einem kastenförmigen Eckabschnitt 21 des Klosettkörpers auch vertieft. Am hinteren oberen Rand entlang besteht eine Verbindung 22 zwischen den beiden Hohlräumen 20. Der Schnitt Fig. 7 liegt in dem kastenförmigen Eckabschnitt 21. Der Schnitt Fig. 8 liegt in dem verbreiterten, aber noch nicht vertieften hinteren Bereich des Hohlraumes 20.From the water distributor 13 branches on both sides of an initially channel-shaped, in rear area widening flat cavity 20, which is then at the rear End also recessed in a box-shaped corner section 21 of the toilet body. At the Along the rear upper edge there is a connection 22 between the two cavities 20. The section in Fig. 7 lies in the box-shaped corner section 21. The Section Fig. 8 lies in the widened but not yet deepened rear area of the Cavity 20.

    Wie Fig. 8 erkennen läßt, wächst aus dem Hohlraum 20, bezogen auf den Klosettkörper nach innen und unten, ein Kanal 23 heraus. An seiner Außenseite stellt er sich als eine gewölbte Wange 50 dar. (Siehe auch Fig. 4 und 5). Die Kanäle 23 der beiden Hohlräume 20 münden zwischen den Schnitten VII -VIII und IX-IX in einen Hohlraum 24, der in Fig. 9 dargestellt ist. Der Hohlraum 24 könnte statt einheitlich auch in der Mitte unterteilt sein. Zwischen den Schnitten IX-IX und X-X verlassen den Hohlraum 24 wieder zwei Kanäle 25. Die, in Fig. 10 erscheinenden, Kanäle 25 führen in die Ausmündungen 18.
    Die oben erwähnten beiden Wasserführungen 19 ziehen sich solchermaßen von dem Wasserverteiler 13 durch die Hohlräume 20, die Kanäle 23, den Hohlraum 24 und die Kanäle 25. Das ist in Fig. 7 bis 11 durch Punktierung der Räume verdeutlicht.
    As can be seen in FIG. 8, a channel 23 grows out of the cavity 20 in relation to the toilet body inwards and downwards. On the outside, it presents itself as a curved cheek 50 (see also FIGS. 4 and 5). The channels 23 of the two cavities 20 open between the sections VII-VIII and IX-IX into a cavity 24, which is shown in FIG. 9. The cavity 24 could also be divided in the middle instead of uniformly. Between the sections IX-IX and XX, two channels 25 leave the cavity 24 again. The channels 25 appearing in FIG. 10 lead into the openings 18.
    The above-mentioned two water channels 19 thus extend from the water distributor 13 through the cavities 20, the channels 23, the cavity 24 and the channels 25. This is illustrated in FIGS. 7 to 11 by puncturing the spaces.

    Der Hohlraum 24 ist entstanden durch eine im unteren und seitlichen Bereich doppelwandige Ausbildung des Wasserzulaufstutzens 8. Die innere Wand ist mit 26, die äußere Wand mit 27 bezeichnet. Sie sind am Eingangsende des Wasserzulaufstutzens 8 verbunden durch eine Stirnwand 28. Das andere axiale Ende des Hohlraumes 24 ist durch eine Wand 29 gebildet.The cavity 24 is created by a double-walled in the lower and lateral area Formation of the water inlet pipe 8. The inner wall is 26, the outer wall designated 27. You are at the entrance end of the water inlet connection 8 connected by an end wall 28. The other axial end of the cavity 24 formed by a wall 29.

    Der Klosettkörper ist hergestellt worden in einer aus zwei seitlichen Gießformteilen, einem oberen Gießformteil und einem rückseitigen Gießformteil bestehenden Gießform.The toilet body is made in one of two side mold parts, an upper mold part and a rear mold part existing mold.

    Alle zur Rückseite, d.h. gemäß Fig. 4 nach rechts, hin offenen Räume sind durch das rückseitige Gießformteil gebildet worden. Fig. 5 zeigt diese Gestaltungen in Ansicht.All to the back, i.e. 4 to the right, open spaces are through back mold part has been formed. Fig. 5 shows these designs in view.

    Ein entsprechender Kern formt den, leicht konischen, Innenraum des Wasserzulaufstutzens 8. Im unteren Bereich und in den unteren seitlichen Bereichen lagert sich die bereits erwähnte innere Wand 26 des Hohlraumes 24 auf ihm ab. Darüber folgen in den beiden oberen seitlichen Bereichen zwei Wandabschnitte 30 (Fig. 9), die an ihrer Außenseite durch die beiden seitlichen Gießformteile begrenzt worden sind. Schließlich ist ein oberer Wandabschnitt 31 im Hohlguß auf dem Kern abgelagert worden unter einem nach dem Wasserverteiler 13 hin offenen (Fig. 4) Zwischenraum 32.
    Der Zwischenraum 32 ist nicht nach der Erfindung eingerichtet worden, sondern ohnehin vorhanden. Das der Erfindung zugrundeliegende Problem besteht hier nicht, da die Decke 33 über dem Zwischenraum 32 durch das obere Gießformteil gebildet wird, das nicht nach hinten, sondern nach oben abgenommen wird.
    Das Problem liegt jedoch an sich vor bei zwei oberen seitlichen Wandabschnitten 34 (Fig. 7 und 8), die jedoch auf einen axialen Endbereich am Eingang des Wasserzulaufstutzens 8 beschränkt sind und daher mit einer starken Schrägung an ihrer Außenseite gestaltet werden können, die noch ein Abziehen nach hinten ermöglicht. Die Schrägung erscheint in der Zeichnung nicht; in der Ansicht hat sie nur eine Vorderkante 35 an der Grundlinie von zwei kurzen Dornen des hinteren Gießformteils, die sich in Fig. 7 und 8 bei 36 abbilden.
    A corresponding core forms the slightly conical interior of the water inlet connector 8. In the lower area and in the lower lateral areas, the already mentioned inner wall 26 of the cavity 24 is deposited on it. This is followed by two wall sections 30 (FIG. 9) in the two upper lateral areas, which have been delimited on the outside by the two lateral mold parts. Finally, an upper wall section 31 has been deposited in the hollow casting on the core under an intermediate space 32 which is open towards the water distributor 13 (FIG. 4).
    The intermediate space 32 has not been set up according to the invention, but is present anyway. The problem on which the invention is based does not exist here, since the cover 33 is formed above the intermediate space 32 by the upper mold part, which is not removed to the rear but to the top.
    The problem is, however, with two upper side wall sections 34 (FIGS. 7 and 8), which are, however, limited to an axial end region at the entrance of the water inlet connection 8 and can therefore be designed with a strong bevel on the outside thereof, which is still a Allows pulling backwards. The skew does not appear in the drawing; in view it has only one leading edge 35 on the base line of two short spikes of the rear mold part, which are shown at 36 in FIGS. 7 and 8.

    Erfindungsgemäße Gestaltung sind die Doppelwandung 26, 27 und der Hohlraum 24: Die äußere Wand 27 wird durch einen an dem rückseitigen Gießformteil ebenso weit wie der den Innenraum des Wasserzulaufstutzens 8 bildende Dorn nach vorne ragenden Vorsprung gebildet. Wie Fig. 4 erkennen läßt, müssen beim Abnehmen des rückseitigen Gießformteiles der Kern an der Oberseite der inneren Wand 26 und der Vorsprung an der Unterseite der äußeren Wand 27 entlangrutschen.The design according to the invention is the double wall 26, 27 and the cavity 24: The outer wall 27 is just as wide by a on the rear mold part like the mandrel forming the interior of the water inlet connection 8 projecting forward Formed a lead. As can be seen in Fig. 4, when removing the back Mold part of the core at the top of the inner wall 26 and the projection slide along the underside of the outer wall 27.

    Die axiale Länge dieser beiden Oberflächen erstreckt sich über die axiale Ausdehnung des Hohlraumes 24 mit seinen axialen Wänden 28 und 29 hinaus in einen Bereich normalen Kerngusses zwischen dem Kern und dem Vorsprung und zwei auf der senkrechten Mittelebene des Klosetts zusammenstoßenden Kernen, die an den beiden seitlichen Gießformteilen vorspringen und im übrigen neben Fortsetzungen der Wände 26 und 27 auch die Wand 29 bilden. Der von den zusammenstoßenden Kernen gebildete Raum 37 stellt sich senkrecht zur Zeichenebene der Fig. 4 als eine aus Fig. 10 ersichtliche Raumverbindung zwischen den beiden offenen Seiten dar. Eine ziemlich gleiche und auf gleiche Weise erzeugte Raumverbindung 38 besteht auf der anderen Seite de Düse 11. Die die Räume 37 und 38 bildenden Kerne schaffen die Wandung der Düse 11 1 in Gestalt einer kurzen Rohrverbindung 39 (Fig. 10). Die Düse 11 ist nach der Formgebung in der noch nicht getrockneten "lederharten" Masse ausgestochen, desgleichen die Mündung 12. The axial length of these two surfaces extends over the axial extent of the cavity 24 with its axial walls 28 and 29 in a normal area Core molding between the core and the protrusion and two on the vertical Middle level of the toilet clashing cores on the two side Project mold parts and in addition to continuations of walls 26 and 27 also form the wall 29. The space 37 formed by the colliding nuclei is perpendicular to the plane of the drawing in FIG. 4 as one shown in FIG. 10 Spatial connection between the two open sides. A pretty much the same and on Space connection 38 generated in the same way exists on the other side of the nozzle 11. The cores forming the spaces 37 and 38 create the wall of the nozzle 11 1 in Shape of a short pipe connection 39 (Fig. 10). The nozzle 11 is after shaping cut out in the not yet dried "leather-hard" mass, likewise the mouth 12.

    In diesem Zustand der Masse werden die Räume 37 und 38 sowie ein in Fig. 4 erscheinender Raum 40 geschlossen durch "angarnierte" Wandungsteile, mit denen weitgehend vollflächige Seitenwände des Klosettkörpers geschaffen werden.In this state of mass, spaces 37 and 38 and one in FIG. 4 appearing room 40 closed by "hinged" wall parts with which largely full-surface side walls of the toilet body are created.

    Die weiter oben schon erwähnten kastenförmigen Eckabschnitte 21 sind ebenfalls erfindungsgemäß doppelwandig geformt mit einer eigens eingerichteten inneren Wandung 41 und einem zwischen dieser und einer äußeren Wandung 42 entstandenen Hohlraum 43, der stirnseitig geschlossen ist durch eine eine Anlagefläche des Klosettkörpers an der Wand des Raumes bildende Rückwand 44. Die innere Wandung 41 ist jeweils durch einen an dem rückseitigen Gießformteil vorragenden Kern geschaffen, dessen Querschnitt an dem in Fig. 5 und 7 erscheinenden Querschnitt des verbleibenden Formhohlraumes 45 erkennbar ist. Der Formhohlraum ist nach hinten offen und vorne durch eine auf der Stirnseite des Kernes abgelagerte Endwand 46 (Fig. 3) geschlossen. Er ist beispielsweise 3 bis 4 cm tief. Der Hohlraum 43 ist nach dem Hohlraum 20 hin offen.
    Die Erfindungsmaßnahme ist dabei nur für die beiden innerhalb des Klosettkörperumfanges liegenden Abschnitte der äußeren Wandung 42 der kastenförmigen Eckabschnitte getroffen, die ausschließlich von dem rückseitigen Gießformteil geformt werden. Die am Umfang des Klosettkörpers liegenden äußeren Seitenwände der Eckabschnitte werden durch die beiden seitlichen Gießformteile und das obere Gießformteil gebildet, die nicht nach hinten abgenommen werden.
    The box-shaped corner sections 21 already mentioned above are also double-walled according to the invention with a specially arranged inner wall 41 and a cavity 43 formed between this and an outer wall 42, which is closed at the end by a rear wall forming a contact surface of the toilet body on the wall of the room 44. The inner wall 41 is in each case created by a core protruding from the rear mold part, the cross section of which can be recognized by the cross section of the remaining mold cavity 45 appearing in FIGS. 5 and 7. The mold cavity is open at the rear and closed at the front by an end wall 46 (FIG. 3) deposited on the end face of the core. For example, it is 3 to 4 cm deep. The cavity 43 is open towards the cavity 20.
    The inventive measure is only taken for the two sections of the outer wall 42 of the box-shaped corner sections which lie within the lavatory body circumference and which are formed exclusively by the rear mold part. The outer side walls of the corner sections lying on the periphery of the lavatory body are formed by the two lateral mold parts and the upper mold part, which are not removed to the rear.

    Die äußere Wandung 42 ersetzt bei der Herstellung in Gipsformen auf verschiedenen Seiten der Öffnung 7 angeordnete Stege. Der untere Abschnitt der äußeren Wandung 42 ist deshalb schräg nach unten gezogen, um zusammen mit dem Rand 47 des Klosettkörpers einen spitzen Winkel zu bilden, in dem gleichfalls annähernd beiderseits der Öffnung 7 eine Abstützung vorhanden ist.The outer wall 42 replaces when manufactured in plaster molds on various Web 7 arranged sides of the opening. The lower section of the outer wall 42 is therefore pulled obliquely downwards, together with the edge 47 of the To form the lavatory body an acute angle, which is also approximately on both sides the opening 7 is supported.

    Zur Gesamtgestaltung sei noch erwähnt: Die Öffnungen 7 sind, um die Befestigungsschrauben zu setzen, von vorne her zugänglich; die beiden Seiten des Klosettkörpers sind unter und hinter dem Becken 10 so weit eingezogen, daß die Anlage des Klosettkörpers an der Wand des Raumes demgegenüber nach den Seiten verbreitert ist und die Öffnungen 7 in den, mit 48 bezeichneten, Verbreiterungen angeordnet sind. Die vorderen Wände der Verbreiterungen 48 sind in Fig. 4 und 5 von der Rückseite her zu sehen.
    Der Ablaufstutzen 9 ist als reiner Hohlguß in einer leicht konischen Einsenkung des rückseitigen Gießformteils geformt.
    Regarding the overall design, it should also be mentioned that the openings 7 are accessible from the front in order to set the fastening screws; the two sides of the lavatory body are drawn in so far under and behind the basin 10 that the abutment of the lavatory body on the wall of the room, on the other hand, is widened to the sides and the openings 7 are arranged in the widenings designated 48. The front walls of the widenings 48 can be seen from the rear in FIGS. 4 and 5.
    The drain connector 9 is formed as a pure hollow casting in a slightly conical depression of the rear mold part.

    Claims (7)

    1. Ceramic sanitary element having a protruding wall part (26-28; 41-44), the wall part being suitable, as it is formed in the casting mould, for being enclosed on two opposite sides by the same casting-mould part, characterized in that the wall part (26-28; 41-44) is of double-walled (26, 27; 42, 43) design with a cavity (24; 43) which is closed on the end side (28; 44).
    2. Sanitary element according to Claim 1, characterized in that the cavity (24) is utilized, in particular for a water channel (19).
    3. Sanitary element according to Claim 1 or 2, characterized in that the wall part (26-28) is the wall or a wall section of a water-inflow connector (8), in particular of an, in particular wall-mounted, WC or bidet or of a urinal.
    4. Sanitary element according to Claim 1, characterized in that the wall part (41-44) is a support (41-44) alongside a wall-fastening screw (opening 7), in particular of a wall-mounted WC or bidet or of a urinal.
    5. Sanitary element according to Claim 3 in the form of a WC which, following the water-inflow connector (8), has an obliquely downwardly directed central nozzle (11) and, thereabove, an inlet (12) into a water distributor (13), which runs around the edge of the bowl (10) and level with which a further cavity (20) extends as far as the rear edge of the WC, as well as two outlets (18), arranged to the side of the nozzle (11), in the bowl wall, characterized in that the water distributor (13) is open, on the two side edges of the WC, in the direction of the abovementioned further cavity (20) and, from the latter, two water channels (19) are routed to the single-piece or subdivided cavity (24) of a single-piece or subdivided double-walled arrangement (26, 27) of the type mentioned, the latter being set up beneath and to the side of the water-inflow connector (8), and, from said cavity (24), the two water channels are routed further to the two abovementioned outlets (18).
    6. Sanitary element according to Claim 5, characterized in that, at the axial end opposite the axial end (28), the cavity (24) is likewise closed by a wall (29), which is formed by two cores which abut in the vertical centre plane of the WC and project on the two casting-mould parts which form sides of the WC.
    7. Sanitary element according to Claim 4, characterized in that two supports (41-44) of the abovementioned type are formed in each case using a mandrel (mould cavity 45) which projects on a casting-mould part which forms the rear side of the sanitary element, in a box-like corner section (21).
    EP96118571A 1995-12-20 1996-11-20 Ceramic sanitary article Expired - Lifetime EP0780201B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE19547620A DE19547620A1 (en) 1995-12-20 1995-12-20 Ceramic sanitary part
    DE19547620 1995-12-20

    Publications (2)

    Publication Number Publication Date
    EP0780201A1 EP0780201A1 (en) 1997-06-25
    EP0780201B1 true EP0780201B1 (en) 2003-03-26

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    ID=7780681

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP96118571A Expired - Lifetime EP0780201B1 (en) 1995-12-20 1996-11-20 Ceramic sanitary article

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    EP (1) EP0780201B1 (en)
    AT (1) ATE235357T1 (en)
    DE (2) DE19547620A1 (en)

    Families Citing this family (1)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    GB2561337A (en) * 2017-03-10 2018-10-17 Ideal Standard Int Nv Basin

    Family Cites Families (3)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    GB2161104B (en) * 1984-07-02 1988-03-23 Armitage Shanks Ltd Moulding sanitary appliances
    JPH078484B2 (en) * 1990-11-09 1995-02-01 株式会社イナックス Manufacturing method of tightly closed toilet by pressure casting
    JPH0872033A (en) * 1994-09-02 1996-03-19 Toto Ltd Split-cavity mold structure for slip casting

    Also Published As

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    DE19547620A1 (en) 1997-06-26
    ATE235357T1 (en) 2003-04-15
    EP0780201A1 (en) 1997-06-25
    DE59610266D1 (en) 2003-04-30

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