EP3653801A1 - Siphon d'urinal - Google Patents

Siphon d'urinal Download PDF

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Publication number
EP3653801A1
EP3653801A1 EP19209799.6A EP19209799A EP3653801A1 EP 3653801 A1 EP3653801 A1 EP 3653801A1 EP 19209799 A EP19209799 A EP 19209799A EP 3653801 A1 EP3653801 A1 EP 3653801A1
Authority
EP
European Patent Office
Prior art keywords
piece
shell
tubular
section
outlet
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
EP19209799.6A
Other languages
German (de)
English (en)
Other versions
EP3653801B1 (fr
EP3653801C0 (fr
Inventor
Angela Haas
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP3653801A1 publication Critical patent/EP3653801A1/fr
Application granted granted Critical
Publication of EP3653801B1 publication Critical patent/EP3653801B1/fr
Publication of EP3653801C0 publication Critical patent/EP3653801C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D13/00—Urinals ; Means for connecting the urinal to the flushing pipe and the wastepipe; Splashing shields for urinals
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/28—Odour seals
    • E03C1/284—Odour seals having U-shaped trap
    • 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
    • E03D11/18—Siphons
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D13/00—Urinals ; Means for connecting the urinal to the flushing pipe and the wastepipe; Splashing shields for urinals
    • E03D13/005—Accessories specially adapted for urinals

Definitions

  • the invention relates to a urinal siphon.
  • Siphons are regularly used in the field of sanitary installations as an odor trap to prevent channel gases escaping through the sewage pipes of a building installation.
  • siphons regularly have a pipe turn which, when installed as intended, lies below a pipe axis of an inlet and an outlet.
  • this tube turn colloquially referred to as "knee" - which closes the tube forming the siphon. This means that no sewer gases can escape from the sewage pipes back into the rooms of the building.
  • siphons are also known, which are interposed between the toilet body and the sewage pipe and which only act as an odor trap together with the drain pipe of the toilet body.
  • the invention has for its object to provide an improved siphon.
  • the urinal siphon according to the invention has a tubular inlet piece (for example a sleeve) for connecting the urinal siphon to a drain line of a urinal and a tubular outlet piece (or also: “drain piece”) for connecting the urinal siphon to a waste water pipe.
  • the urinal siphon has a spiral, tubular intermediate piece which is interposed between the inlet piece and the outlet piece and which has at least two sections which are each angled, preferably wound, by 180 degrees.
  • the urinal siphon has a sliding sleeve, by means of which the outlet piece is fastened to the inlet piece or the intermediate piece so that it can be moved by an extension length relative to the inlet piece.
  • At least the intermediate piece is molded from plastic.
  • the intermediate piece is formed in some areas, in particular in the area of the angled partial sections, by a first and a second tubular part shell, which are placed one above the other transversely to a tube axis of the intermediate piece, the two tubular part shells being connected to one another in a media-tight manner by means of plastic laser beam welding.
  • the intermediate piece is preferably injection molded.
  • a polyethylene optionally a cross-linked or cross-linkable polyethylene or a polypropylene, is used.
  • the sliding sleeve is in particular a comparatively elongated sleeve, the length of the tube into which a corresponding counterpart can be inserted has a length of at least the extension length.
  • the length of the sliding sleeve is preferably equal to the extension length plus a sealing length which is intended to allow a minimum overlap with the counterpart for a sufficient tightness.
  • the intermediate piece Due to the total of 360 ° turns (ie the at least two angled sections) an odor trap is possible through the urinal siphon itself.
  • the intermediate piece can hardly be manufactured without lost shaping means, for example fusible cores or the like. Therefore, the intermediate piece is partial along the pipe axis direction cut open and thus divided into the two pipe part shells.
  • the plastic laser beam welding of these two pipe part shells enables a high level of process reliability to be achieved in comparison to adhesive bonds.
  • a melt discharge from the welding zone is minimal, so that an inner surface of the intermediate piece can also be kept almost smooth. This reduces the risk that wastewater will adhere to unevenness in the inner surface and thus lead to the pipe being closed in the long run.
  • methods based on friction are less suitable for forming the connection in the case of polyethylene or polypropylene.
  • the intermediate piece can be designed as a "real" spiral, i. h as a curve with a continuously increasing radius (especially around the inlet piece or the outlet piece).
  • the (at least two) above-mentioned angled sections are preferably spaced apart from one another by a straight (pipe) section.
  • the sliding sleeve is formed in one piece, in particular monolithically (i.e. from the same material and in one production step without a connection point), with the first tubular part shell of the intermediate piece.
  • the sliding sleeve is preferably also arranged parallel to the section described above and spacing the two angled sections.
  • the sliding sleeve is formed in an advantageous embodiment by a one-piece tubular closed section of the first tubular shell.
  • the sliding sleeve is formed by a one-piece tube, which forms part of the first tube part shell.
  • the second pipe shell covers the sliding sleeve at the transition to the section adjacent to it with a continuously decreasing or obliquely cut end section.
  • the second tubular shell runs gradually in the overlap area with the sliding sleeve (preferably to the circumference of the Sliding sleeve out).
  • the second pipe part shell gradually runs out from the side of its contact surface to the first pipe part shell or to the sliding sleeve.
  • the protruding end section of the second tubular shell is delimited at the edge by a laser weld seam, by means of which the first and the second tubular shell are connected to one another all around. Due to the shape of the end section, this laser weld seam is made at the transition between the sliding sleeve and the adjacent section with a continuous transition or at least at an obtuse angle to the pipe axis of the intermediate piece. This is advantageous for process control in laser beam welding (in particular for guiding the laser beam focus). In addition, a joining pressure can be applied all around to the entire contact surface between the first and second tubular part shells.
  • the outlet piece and the inlet piece are at least in an intended assembly state with at least one outlet-side and one inlet-side section, in particular with their (in particular in these sections) assigned pipe axes parallel to one another and perpendicular to the pipe axis of the intermediate piece.
  • the outlet and inlet-side pipe axes of the outlet piece or the inlet piece in the intended installation state are additionally arranged on a common vertical, so that the drain line of the urinal and the waste water line can also be arranged in alignment one above the other.
  • the outlet piece has an insertion section which is closed in one piece and is tubular in order to be inserted into the sliding sleeve.
  • the insertion section preferably carries at least two sealing elements on the free end for sealing against the sliding sleeve.
  • the outlet piece has a coupling section which is connected to the insertion section via an angular section.
  • the angular section in the intended assembly state of the urinal siphon (which is basically independent of the installation or installation state in a sanitary installation) is also wound in the same plane as the subsections of the intermediate piece, in particular also in the same direction, so that in the intended assembly state a continuation of the results in a spiral-like intermediate piece (and the terminal sections of the inlet and outlet pieces are arranged on a vertical in the intended installation state).
  • the inlet piece and the outlet piece are preferably aligned with their connection openings in opposite directions.
  • the outlet piece is also preformed from plastic, preferably injection molded.
  • at least the angular section - in particular analogously to the angled sections of the intermediate piece - is formed from a first partial shell and a second partial shell placed on the first partial shell along the tube axis of the angular section and connected to it by laser beam welding.
  • the connecting edge of the first and second partial shells extends at least for the most part along a mold parting plane of an injection molding tool, so that the first and second partial shells can be easily injection molded.
  • the two partial shells are laser-welded to one another, the laser welding seam surrounding the partial shells being made at the transition between the insertion section and the adjacent angular section with a continuous transition or at least an obtuse angle to the tube axis.
  • the second partial shell like the second tubular partial shell, is provided with an end section which is cut obliquely.
  • the first or the second tubular shell of the intermediate piece and / or the first or the second partial shell of the outlet piece are expediently formed from a laser beam-transparent plastic (for the laser wavelength selected for plastic laser beam welding).
  • the respective counterpart, on the other hand, is expediently made of an absorbent (for the selected laser wavelength) Plastic formed.
  • an absorbent for the selected laser wavelength
  • a black-colored, in particular filled with carbon black, polyethylene or polypropylene is selected as the absorbent plastic, and, in particular, unfilled polyethylene or polypropylene as the laser-transparent plastic.
  • the plastic which is transparent to laser beams is preferably at least translucent (ie in particular translucent), optionally also transparent, in the visible spectral range. This means that a visual inspection for contamination or blockage is also possible when installed as intended.
  • a web referred to below as the pressure rib
  • the pressure rib is arranged on the outside on the first or the second tubular part shell of the intermediate piece and / or on the first or the second partial shell of the outlet piece.
  • This web forms a pressure surface for the laser beam welding process.
  • the corresponding partial tube shell and / or partial shell can be pressed onto the other partial tube shell or partial shell by means of the web and the joining pressure required for laser beam welding can be applied.
  • this pressure rib can also serve as a spacer and / or line-like contact surface for the urinal siphon against a wall during installation.
  • the respective laser weld seam between the first and the second tubular part shell of the intermediate piece and / or between the first and the second partial shell of the outlet piece is formed in a groove.
  • a urinal siphon 1 is shown in different perspective and plan views as an exploded view.
  • the urinal siphon 1 comprises a tubular inlet piece, which specifically forms a connecting sleeve 2 for connecting the urinal siphon 1 to a drain line of a urinal.
  • the drainage line of the urinal is inserted into this connection sleeve 2.
  • the urinal siphon 1 further comprises a tubular outlet piece 4, which is used to connect the urinal siphon 1 to a sewage pipe, in particular of a building.
  • the urinal siphon 1 comprises a tubular intermediate piece 6 which spirally extends between the inlet piece (ie the connecting sleeve 2) and the outlet piece 4 extends.
  • the intermediate piece 6 has at least two partial sections 8, each angled by 180 degrees. An effective odor trap can already be realized by the urinal siphon 1 by means of these partial sections 8, which are spirally wound by 360 degrees, since a kind of “knee” can stand under a liquid level in each alignment of the intermediate piece 6.
  • the intermediate piece 6 is aligned with its tube axis 10 in a plane arranged perpendicular to the tube axis 12 of the connecting sleeve 2.
  • the pipe axis 12 of the connecting sleeve 2 is oriented horizontally in the intended installation state of the urinal siphon 1 and the plane of the pipe axis 10 of the intermediate piece 6 is thus arranged in a vertical plane (at least in sanitary installations due to usual tolerances).
  • the urinal siphon 1 has a sliding sleeve 14.
  • the sliding sleeve 14 is formed by an integral and tubular closed section - which adjoins one of the angled sections 8 of the intermediate piece 6 - of the intermediate piece 6.
  • An insertion section 16 of the outlet piece 4 can be variably inserted into this sliding sleeve 14 by an extension length L.
  • the maximum extension length L is shorter than the total length of the insertion section 16, so that a sufficiently long sealing section 18, which carries two sealing rings 19, remains in the sliding sleeve 14 and thus enables a sufficient sealing effect.
  • the outlet piece 4 comprises a coupling section 20 on the outlet side, the pipe axis 22 of which is aligned parallel to the pipe axis 12 of the connecting sleeve 2 and thus also perpendicular to a pipe axis 24 of the insertion section 16.
  • the insertion section 16 and the coupling section 20 are in one piece with one another via an angular section 26, specifically monolithic (ie made of the same material and without connecting seams, preferably in a shaping, especially injection molding step) connected.
  • the pipe axis 28 of the angle section 26 is also arranged in the intended mounting state of the urinal siphon 1 in the plane of the pipe axis 10 of the intermediate piece 6.
  • the angle section 26 is also shaped, specifically bent to continue the turns of the intermediate piece 6, that the pipe axis 12 of the connecting sleeve 2 and the pipe axis 22 of the coupling section 20 lie on the same vertical when the urinal siphon 1 is installed as intended.
  • the connecting sleeve 2, the intermediate piece 6 and the sliding sleeve 14 form a common, integral component of the urinal siphon 1, which is at least partially monolithically injection molded from a plastic, specifically a polyethylene, preferably a cross-linked polyethylene, specifically injection molded. Since the angled sections 8 of the intermediate piece 6 cover a total of at least 360 degrees, it is not possible to manufacture the entire component in one piece by injection molding without "lost" shaping means (for example meltable cores). Therefore, the intermediate piece 6 is formed over its two angled partial sections 8 by a first tubular partial shell 30 and a second tubular partial shell 32, which are placed on one another at least in regions along the tube axis 10 of the partial sections 8. Specifically, the tube part shells 30 and 32 essentially each form a half shell of the intermediate piece 6. This enables a comparatively simple shape separation in the plane of the tube axis 10 of the intermediate piece 6 in the injection molding process.
  • One of the two tube part shells 30 and 32 also has a circumferential (edge) web which, when the intermediate piece 6 is in the intended mounting state, lies in a complementary groove which is formed on the corresponding other tube part shell 32 and 30 (not shown in more detail). .
  • This web is connected with its free edge to the groove base of the groove encompassing it by means of plastic laser beam welding.
  • Plastic laser beam welding has the advantage that there is no or very little melt discharge from the welding zone compared to other welding processes, which can be easily collected in the groove.
  • a Inner surface of the intermediate piece 6 are kept as smooth as possible, so that sludge accumulations and / or microbiological growth on uneven areas of the inner surface are advantageously prevented or at least a risk for this is reduced.
  • plastic laser beam welding also has the advantage of greater process reliability with regard to the quality and tightness of the connection.
  • the second pipe shell 32 Since the sliding sleeve 14 - in order to ensure the tightness of the plug connection with the outlet piece 4 - is formed by a circumferentially closed section of the intermediate piece 6, the second pipe shell 32 has a continuously reducing, specifically obliquely cut end section 34. With this end section 34, the second pipe part shell 32 covers the sliding sleeve 14 on the outside to form a decreasing part. This makes it possible to prevent an abrupt kink, in particular a 90-degree kink, of a laser weld seam 35 at the transition of the sliding sleeve 14 to the section 8 of the intermediate piece 6 adjoining it.
  • the laser welding seam 35 which now runs obliquely at the edge of the end section 34, can on the one hand apply a contact pressure (or joining pressure), which is applied during laser beam welding between the two tubular part shells 30 and 32, to the contact surface between the end section 34 and the sliding sleeve 14.
  • a contact pressure or joining pressure
  • a 90-degree deflection of the laser beam focus at the transition to the sliding sleeve 14 can also be omitted, so that the process control of the plastic laser beam welding process can be kept comparatively simple.
  • a web 36 is also applied on the outside, which forms a pressure rib.
  • This web 36 represents a pressure surface for applying the joining pressure between the first and the second pipe shell 30 or 32.
  • this web 36 can also form as a spacer between the intermediate piece 6 and an installation surface.
  • the angle section 26 of the outlet piece 4 is likewise formed by a first partial shell 40 and a second partial shell 42, which are welded by means of plastic laser beam welding are connected analogously to the first and second tubular shell parts 30 and 32 of the intermediate piece 6.
  • a corresponding obliquely cut end section 44 of the second partial shell 42 lies on the outside on the insertion section 16, so that a laser weld seam 46 connecting the two partial shells 40 and 42 also runs obliquely to one side of the insertion section 16.
  • the second partial shell 42 has, similarly to the second tubular partial shell 32, a web 48 on the outside, which serves as a pressure rib for applying the joining pressure during plastic laser beam welding. This is in Fig. 4 shown in more detail.
  • the first tubular partial shell 30 and the first partial shell 40 are each formed by black-colored polyethylene.
  • the second tube shell 32 and the second shell 42 are made of laser-transparent polyethylene, which is at least translucent in the visible spectral range. Due to the translucency in the visible spectral range, a visual check of the urinal siphon 1 for blockage is possible.
  • the urinal siphon 1 also has a limiting device 50.
  • This is formed by a link 52 and a link pin 54, which is in guide connection with the link 52 in the intended installation state of the urinal siphon 1.
  • the link pin 54 lies in the link 52, which is essentially formed by an elongated slot delimited by an edge.
  • the setting 52 is dimensioned such that when the maximum extension length L is reached, the setting pin 54 abuts the end of the setting 52. In this position, the sealing section 18 of the insertion section 16 remains in the sliding sleeve 14.
  • the link 52 is aligned parallel to the sliding sleeve 14.
  • the limiting device can be “activated”. In its active state (shown in the Figures 6 to 9 ) the pin 54 engages the scenery 52. In an inactive state (not shown in detail), on the other hand, the link 52 is displaced on the outlet piece 4 (or removed from it) such that the link pin 54 can no longer engage in the link 52.
  • the link 52 is connected to a coupling ring 56 which is pushed over the coupling section 20 of the outlet piece 4.
  • the component formed by the link 52 and the coupling ring 56 is therefore manufactured separately from the outlet piece 4, preferably injection molded. This simplifies the injection molding production of the entire urinal siphon 1.
  • the object of the invention is not limited to the embodiment described above. Rather, other embodiments of the invention can be derived by the person skilled in the art from the above description.
  • the sliding sleeve 14 and / or the intermediate piece 6 can be connected in one piece to the outlet piece 4.
  • the connecting sleeve 2 possibly together with the intermediate piece 6) could be inserted into the sliding sleeve 14.

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)
EP19209799.6A 2018-11-19 2019-11-18 Siphon d'urinal Active EP3653801B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018219814.4A DE102018219814A1 (de) 2018-11-19 2018-11-19 Urinalsiphon

Publications (3)

Publication Number Publication Date
EP3653801A1 true EP3653801A1 (fr) 2020-05-20
EP3653801B1 EP3653801B1 (fr) 2024-01-03
EP3653801C0 EP3653801C0 (fr) 2024-01-03

Family

ID=68610035

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19209799.6A Active EP3653801B1 (fr) 2018-11-19 2019-11-18 Siphon d'urinal

Country Status (4)

Country Link
EP (1) EP3653801B1 (fr)
DE (1) DE102018219814A1 (fr)
HU (1) HUE065940T2 (fr)
PL (1) PL3653801T3 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2447695A1 (de) * 1974-10-07 1976-04-08 Franz Viegener Ii Armaturenfab Geruchverschluss mit absaugvorrichtung fuer urinale
DE29910426U1 (de) * 1999-06-15 1999-08-05 Franz Viegener II GmbH & Co. KG, 57439 Attendorn Geruchverschluß für Haushaltsgeräte
DE20105412U1 (de) * 2000-06-30 2001-06-28 Geberit Technik AG, Jona, St. Gallen Absaugesiphon für eine Spüleinrichtung
EP1416098A1 (fr) * 2002-10-30 2004-05-06 Geberit Technik Ag Bonde siphoide pour installation d'écoulement
WO2008129957A1 (fr) * 2007-04-18 2008-10-30 Inax Corporation Raccord de tuyau d'évacuation
DE202010002565U1 (de) * 2010-02-19 2010-05-27 Sanitärtechnik Eisenberg GmbH Absaugsiphon
EP2412879A1 (fr) * 2010-07-28 2012-02-01 Andreas Bock Urinoir et siphon pour urinoir

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH657404A5 (en) * 1982-12-07 1986-08-29 Geberit Ag Automatic flushing device for a urinal

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2447695A1 (de) * 1974-10-07 1976-04-08 Franz Viegener Ii Armaturenfab Geruchverschluss mit absaugvorrichtung fuer urinale
DE29910426U1 (de) * 1999-06-15 1999-08-05 Franz Viegener II GmbH & Co. KG, 57439 Attendorn Geruchverschluß für Haushaltsgeräte
DE20105412U1 (de) * 2000-06-30 2001-06-28 Geberit Technik AG, Jona, St. Gallen Absaugesiphon für eine Spüleinrichtung
EP1416098A1 (fr) * 2002-10-30 2004-05-06 Geberit Technik Ag Bonde siphoide pour installation d'écoulement
WO2008129957A1 (fr) * 2007-04-18 2008-10-30 Inax Corporation Raccord de tuyau d'évacuation
DE202010002565U1 (de) * 2010-02-19 2010-05-27 Sanitärtechnik Eisenberg GmbH Absaugsiphon
EP2412879A1 (fr) * 2010-07-28 2012-02-01 Andreas Bock Urinoir et siphon pour urinoir

Also Published As

Publication number Publication date
HUE065940T2 (hu) 2024-06-28
DE102018219814A1 (de) 2020-05-20
EP3653801B1 (fr) 2024-01-03
PL3653801T3 (pl) 2024-05-13
EP3653801C0 (fr) 2024-01-03

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