EP0735207B1 - Spülkasten - Google Patents

Spülkasten Download PDF

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Publication number
EP0735207B1
EP0735207B1 EP96103743A EP96103743A EP0735207B1 EP 0735207 B1 EP0735207 B1 EP 0735207B1 EP 96103743 A EP96103743 A EP 96103743A EP 96103743 A EP96103743 A EP 96103743A EP 0735207 B1 EP0735207 B1 EP 0735207B1
Authority
EP
European Patent Office
Prior art keywords
core
walls
base
cistern
thickness
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
EP96103743A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0735207A1 (de
Inventor
Bernd-Rüdiger Stahnke
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.)
Friatec AG
Original Assignee
Friatec AG
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 Friatec AG filed Critical Friatec AG
Publication of EP0735207A1 publication Critical patent/EP0735207A1/de
Application granted granted Critical
Publication of EP0735207B1 publication Critical patent/EP0735207B1/de
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
    • E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
    • E03D1/006—Realisations of and provisions for preventing "sweating" of cisterns

Definitions

  • the invention relates to a cistern according to the preamble of the claim 1 specified characteristics.
  • a plastic cistern With which Walls and floor connected to the inside of a foamed inner layer for insulation is.
  • the insulating material can be meltable and in a special process step the inside of the cistern can be sprayed.
  • the cistern can be made of ceramic, Plastic or metal exist and the inner layer or installation layer can also the inside of the cistern is glued or chemically bonded to it. This takes place after the manufacture of the cistern in a further process step, according to which the inner layer introduced into the interior of the cistern and there with additional means is attached. The inner layer is exposed and stands with the filled Water in direct contact. In the pores or spaces of the foamed Inner layer as well as impurities can penetrate and settle, the insulation ability mainly due to penetration of lime deposits in the course of Time is reduced.
  • a cistern is known from the Swiss patent specification CH-A-674 533 known, which has an inserted insulation body.
  • the back wall contains inside a groove extending from the bottom to the edge, into which a complementary Counterpart of the insulation body engages.
  • the separately manufactured and retrofitted Insulation body inserted into the interior of the cistern is held in a form-fitting manner.
  • a Adhesive connection between the insulation body and the inner surface of the cistern is not necessary and the insulation body can be removed from the cistern if necessary will.
  • the cistern on the one hand and the insulation body on the other hand are manufactured separately Components and the stability and strength of the cistern is due to the insulation body not changed.
  • the insulation body consists of a rigid foam Polystyrene base or a comparable plastic to prevent condensation to prevent.
  • Cisterns of the type mentioned arrive as surface-mounted or concealed cisterns in different designs, especially in connection with toilet bowls.
  • In terms of weight and material costs is a comparatively low Strived for wall thickness, but with limits in terms of stability and Load capacity of the cistern must be taken into account, especially since such a cistern usually has a volume of 6 to 9 liters of water.
  • difficulties can arise due to condensation if in bathrooms or on hot summer days with high humidity and Temperature due to the comparatively cold inflow into the cistern Water forms on the outside of the cistern condensate. Basically could counteract this process by increasing the wall thickness be, but which would require an increased use of materials.
  • the acoustic behavior of cisterns occurs more than ever in the Foreground, with an increase in wall thickness remedying the problem could, however, combined with the disadvantages already mentioned.
  • the invention is based on the object shown To avoid disadvantages and to further develop the plastic cistern, that with reliable construction the requirements of practice is met.
  • the cistern is supposed to be an optimized physical-technical Have behavior, especially on the noise transmission and / or Heat transfer and / or stability is turned off. Furthermore, the cistern be optimized with regard to the use of materials and weight and / or have improved stability.
  • the plastic cistern according to the invention has a functional function Construction on and contains a core, which as a foamed inner layer is formed and which outside and inside, by a cladding layer made of a non-foamed and / or a largely smooth Surface plastic is surrounded.
  • the foamed inner layer is an integral part of the cistern wall and the floor.
  • the inner layer on the one hand and the cladding layer on the other hand together determine the rigidity and stability of the cistern and its other technical-physical Characteristics.
  • the inner layer and jacket are together in the Manufactured using the same manufacturing process and form a complete one-piece Unit.
  • the inner layer is not subsequently a separate one Component inserted in the cistern already made or with this in a suitable wise connected. Rather, it is due to the common Production in the area of the interfaces of the inner layer and the jacket a transition zone exists in which molecules of the two layers exist together and / or interlock.
  • the jacket and the core or the inner layer consist of chemically comparable Materials, the inner layer having a comparatively large pore volume has, while the coat is none of the only practically negligible Pore volume and has a largely smooth surface.
  • the porous inner layer is in particular completely embedded in the jacket and the cistern preferably has a closed and / or pore-free surface on all sides on.
  • the core or the inner layer is within the scope of the invention Appropriately from recycled material, in particular the plastic from which the surrounding coat exists.
  • the coat on the other hand, consists of so-called virgin and / or new plastic.
  • the wall thickness of the inner layer is over a significant portion of the side walls, the front wall and the Rear wall and preferably also the floor much larger than the thickness of the cladding layers.
  • the cistern especially in the upper edge area of the walls and / or no core in the form of a foamed one in the region of the outflow opening Inner layer provided, but there is a single continuous layer the material of the inner and outer jacket layers, which are integrally united there.
  • the porous inner layer is thus complete enclosed in the material of the jacket with a largely smooth surface.
  • the fixing of foreign bodies or even the nesting of bacteria and soiling in the foamed inner layer becomes particularly special expediently excluded.
  • the provided according to the invention and integrally connected to the jacket Inner layer consists of the material, in particular polystyrene, as the least a coat, but contains largely evenly distributed pores such that its density is at least 5%, suitably up to 30%, less than the thickness of the non-foamed plastic of the cladding layer.
  • the overall wall thickness can thus be reduced in terms of stability.
  • the foamed and / or porous inner layer also leads to an improvement the acoustic values and / or the thermal insulation with the Result of a reduction in condensation. It is expressly noted that if necessary in addition to the inner layer provided according to the invention the inner surface of the cistern with a well-known insulating body can be lined.
  • the drawing shows schematically a section through a cistern, which in Principle has a rectangular shape and a bottom 2 and two side walls 4, 6, furthermore a rear wall 8 and contains a front wall, not visible here, in front of the plane of the drawing.
  • the cistern contains 8 in its rear wall Recesses 12 for fastening further assemblies not to be explained here or functional components.
  • the bottom 2 there is an outflow opening 13 provided with a connector 14 for connecting a drain line.
  • the bottom 2, the side walls 4, 6, the rear wall 8 and the front wall are made a core 16 and two cladding layers 18, 20, which the core 16 surround and fully embed.
  • the core is as a foamed inner layer 16 formed, which forms an integral unit with the cladding layers 18, 20 and are inextricably linked.
  • the core of the walls and floor the cistern is designed and extended as the foamed inner layer essentially continuously from the outflow opening 13 to the upper Edge area 10, preferably no interruptions in the core are.
  • the core has a lower specific weight and / or larger pore volume than the cladding layer.
  • the integrated core made of foamed Plastic ensures a reduction in the total weight of the Cistern and contributes significantly to the stability and strength of the Cistern at.
  • the walls of which are made of a single plastic have practically no increased thickness.
  • Below the core 16 is referred to as the inner layer for the sake of simplicity.
  • the inner layer 16 has a large part of the total extent of the cistern a significantly greater wall thickness than the outer cladding layer 18 and / or the inner cladding layer 20.
  • the interfaces between the core and the Inner layer 16 and the cladding layers 18, 20 form a transition zone, in which the molecules of the adjacent layers interlock or are present together, so that an intimate ultimately unsolvable connection of the layers mentioned.
  • the sandwich construction Cistern is an integral unit, in the walls and bottom of which the core is permanently integrated.
  • the cladding layers 18, 20 and thus, of course the areas integrated with one another also suitably consist of polystyrene or a comparable plastic.
  • the inner layer also preferably exists also made of polystyrene, but in a foamed form and has one open pore structure.
  • the specific weight of the porous inner layer 16 is a specified amount less than the specific weight of the plastic of the cladding layers 18, 20. In the context of the invention is the specific Weight of the inner layer at least 10%, maximum 35%, smaller than the specific one Weight of the cladding layers 18, 20. Furthermore, it has proven to be advantageous the specific weight in the range between 15 to 30% smaller, in particular to be specified in the range between 20 and 25% smaller than the specific one Weight of the cladding layers.
  • the specific weight is 10 to 20% or 30 to 40% of the specific weight of the cladding layers 18, 20.
  • the technical-physical Properties can be specified according to the requirements. Because of the pore structure with a reduced overall weight, nevertheless increased strength and / or stability of the walls and / or the floor is achieved without this the total thickness would have to be increased.
  • the walls of the cistern as well as the So large areas are made up of three layers integrated into each other constructed, namely the outer cladding layer 18, the inner layer 16 and the adjoining inner cladding layer 20. Since the three layers mentioned made of the same material is an integral connection of the layers given, there being no connecting means between the layers are still detaching or separating due to external influences, too not to be feared after many years.
  • the interior of the cistern is also as additional lining an insulating body 22 arranged, which in particular consists of styrofoam and after the production of the actual cistern in the interior has been used.
  • the insulating body 22 is preferably made of polystyrene or a comparable material and has a significantly lower specific Weight on than the plastic of the cladding layers 18, 20. Through the insulating body 22, the total weight is increased only slightly, although the Insulation, especially with regard to heat transfer, further improved becomes.
  • the insulating body 22 has a wall thickness 23, which essentially is the same as the total thickness 24 of the respective wall and / or floor 2, but does not contribute to the strength and stability of the cistern.
  • the inner layer 16 has a thickness 26, the outer cladding layer 18 one Thickness 28 and the inner cladding layer 20 are a thickness 30.
  • the thickness 26 of the inner layer is according to the invention over a large part of the total extent of the cistern greater than the thickness 28 and / or the thickness 30 of the two cladding layers.
  • To the The upper edge 10 runs the inner layer 16 in an area 32 with at least approximately triangular cross section. In this area 32 the Thickness of the inner layer 16 is largely uniformly smaller, while the thicknesses of the two cladding layers 18, 20 increase. Disappears in the upper edge 10 the inner layer 16 entirely, the two cladding layers 18, 20 one inside the other pass over and ultimately only form a single layer there.
  • the measuring point immediately above the floor 2 is designated as I and Measuring point II lies at a quarter of the total height 34 above the floor 2. Accordingly, measuring point III lies at half the total height and the measuring point IV at three quarters of the total height. It should also be noted that the Total thickness 24 of the cistern in the order of 4 to 8 mm lies and is appropriately in the range between 5 and 7 mm in size.
  • the thickness 26 of the inner layer 16 is in the range between 40 to 80%, preferably between 50 to 70%, of the total thickness 24.
  • the thickness 26 of the inner layer 16 is between 30 to 60%, in particular between 40 to 50%, the total thickness 24, while the inner layer 16 at measuring point III the thickness 26 in the range between 10 to 50%, in particular between 20 to 40%, having.
  • the thickness 26 of the inner layer 16 is at the upper measuring point IV, i.e. at 75% of the total height, between 5 to 30%, in particular between 5 to 20%, the total material thickness 24.
  • the integrated core 16 and the at least one outer cladding layer 20 existing walls starting from the floor 2 to the upper edge area 10 a substantially constant total thickness 24.
  • the thicknesses 28 and 30 of the outer cladding layer 18 and the inner cladding layer 20 essentially same size.
  • the thicknesses 28 and 30 of the cladding layers 18, 20 are different, with deviations in the range of +/- 30%, if necessary up to +/- 50% are also permitted. It has been shown that the Thickness 28 of the outer cladding layer 18 is predetermined to be greater than the thickness 30 the inner cladding layer, especially since the outer cladding layer 18 is regularly thicker is exposed to external attacks than the inner cladding layer 20.

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)
  • Laminated Bodies (AREA)
  • Sorption Type Refrigeration Machines (AREA)
  • Building Environments (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Vehicle Waterproofing, Decoration, And Sanitation Devices (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Floor Finish (AREA)
  • Body Structure For Vehicles (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Passenger Equipment (AREA)
  • Table Devices Or Equipment (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Cookers (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
EP96103743A 1995-03-27 1996-03-09 Spülkasten Expired - Lifetime EP0735207B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19510679A DE19510679A1 (de) 1995-03-27 1995-03-27 Spülkasten
DE19510679 1995-03-27

Publications (2)

Publication Number Publication Date
EP0735207A1 EP0735207A1 (de) 1996-10-02
EP0735207B1 true EP0735207B1 (de) 1998-12-23

Family

ID=7757534

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96103743A Expired - Lifetime EP0735207B1 (de) 1995-03-27 1996-03-09 Spülkasten

Country Status (12)

Country Link
EP (1) EP0735207B1 (cs)
AT (1) ATE174988T1 (cs)
CZ (1) CZ83296A3 (cs)
DE (2) DE19510679A1 (cs)
DK (1) DK0735207T3 (cs)
ES (1) ES2126347T3 (cs)
HR (1) HRP960138B1 (cs)
IL (1) IL117573A (cs)
NO (1) NO961227L (cs)
PL (1) PL179693B1 (cs)
SK (1) SK40096A3 (cs)
YU (1) YU16596A (cs)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2325251A (en) * 1997-05-14 1998-11-18 Deborah Francis Cistern insulating sleeve
DE29905023U1 (de) * 1999-03-19 2000-04-20 Daigler GmbH, 72818 Trochtelfingen Toilettenspülkasten
ATE306588T1 (de) * 2002-12-18 2005-10-15 Geberit Technik Ag Unterputzspülkasten

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2112407A (en) * 1936-09-05 1938-03-29 Mosicavice Andrew Flush tank
US2769981A (en) * 1953-11-10 1956-11-13 Jaye Corp Condensate inhibiting liner for toilet flush tanks
CA664452A (en) * 1960-12-16 1963-06-04 Pittsburgh Plate Glass Company Adhering polyurethane resin foams
US3191189A (en) * 1962-10-26 1965-06-29 American Radiator & Standard Anti-sweat water closet tank
US3435101A (en) * 1964-01-30 1969-03-25 American Standard Inc Method for the manufacture of an anti-sweat water closet tank
DE8417441U1 (de) * 1984-06-08 1984-09-13 Ideal-Standard Gmbh, 5300 Bonn Schwitzwassergeschuetzter wc-spuelkasten
CH674533A5 (cs) * 1987-12-01 1990-06-15 Geberit Ag
GB2259733A (en) * 1991-09-17 1993-03-24 Roy Hamer Improvements relating to water cisterns

Also Published As

Publication number Publication date
YU16596A (sh) 1998-12-23
NO961227L (no) 1996-09-30
ATE174988T1 (de) 1999-01-15
NO961227D0 (no) 1996-03-26
ES2126347T3 (es) 1999-03-16
DK0735207T3 (da) 1999-08-23
IL117573A0 (en) 1996-07-23
PL313512A1 (en) 1996-09-30
EP0735207A1 (de) 1996-10-02
IL117573A (en) 1998-12-06
HRP960138B1 (en) 2000-02-29
CZ83296A3 (en) 1996-10-16
DE19510679A1 (de) 1996-10-10
DE59601024D1 (de) 1999-02-04
HRP960138A2 (en) 1997-08-31
SK40096A3 (en) 1996-10-02
PL179693B1 (pl) 2000-10-31

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