EP1097275B1 - Assembly, to be used within a waste water system, being composed of a receptacle, a removable coating and means to connect the coating to the receptacle - Google Patents

Assembly, to be used within a waste water system, being composed of a receptacle, a removable coating and means to connect the coating to the receptacle Download PDF

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Publication number
EP1097275B1
EP1097275B1 EP99928918A EP99928918A EP1097275B1 EP 1097275 B1 EP1097275 B1 EP 1097275B1 EP 99928918 A EP99928918 A EP 99928918A EP 99928918 A EP99928918 A EP 99928918A EP 1097275 B1 EP1097275 B1 EP 1097275B1
Authority
EP
European Patent Office
Prior art keywords
coating
receptacle
assembly according
connection
dirt
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
EP99928918A
Other languages
German (de)
English (en)
French (fr)
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EP1097275A1 (en
Inventor
Fernando Alberto Grazziotin
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Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1097275A1 publication Critical patent/EP1097275A1/en
Application granted granted Critical
Publication of EP1097275B1 publication Critical patent/EP1097275B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/041—Accessories therefor
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/0407—Floor drains for indoor use
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F2005/0416—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps with an odour seal

Definitions

  • the present invention relates to an assembly composed of a receptacle connected to a water waste line, a removable coating coupled to said receptacle and means to couple the coating to the receptacle.
  • the waste products from the water waste line travel through a pipeline into the receptacle.
  • the waste products are retained in the receptacle due to their different density from the water passing through the receptacle.
  • the capture of the waste products minimizes the burden of waste products flowing to a waste removal system. Also, due to the sealing of the receptacle unpleasant smelling gases are minimized and prevented from passing through the waste water system.
  • waste water systems fail to include a trap and are therefore subjected to the presence of foul smelling gases. These devices retain elements that are lighter than water and only retain particles denser than water through settling, time permitting.
  • traps are sometimes installed by bending of a pipeline of an outlet. These types of traps prevent passage of gases but, however, require extensive maintenance for removal of particles denser than water.
  • the filtering device of the above-mentioned invention is intended for outdoor environments, e.g., outdoor water drains in paved roadways and it does not comprise its own receptacle. It comprises an outer protective grating, located at the pavement level, an holder member adapted to be mounted beneath the drain grating to hold a downwardly depending coarse-filtering wire basket having downwardly depending sides, and a fine-filtering bag made of flexible and water-permeable cloth or fabric material removably disposed around the outside of said holder member, said filter device serving to separate and collect particulate impurities (cf. claim 1).
  • the filtering device of the above-mentioned US patent is made of a water permeable material and therefore it only partially retains the flowing grease and oily materials flowing in the water. Accordingly, part of said material still passes through the filtering device and will stick to the drain walls and bottom with the result that the removal or emptying of the filter bag does not solve the problem of that material accumulated at the walls and bottom of the drain, which must still be cleaned up from time to time.
  • the goal of the present invention is to solve the problems of the prior art in an attempt to answer the following questions:
  • the object of the present invention is to allow the cleaning of a waste receptacle.
  • a complete cleaning of a receptacle is achieved by the use of a removable coating, which removes all dirt and avoids contact of the dirt with the receptacle at all times. Therefore the cleanup of the receptacle is quick, easy and simple.
  • the coating may be made of polyethylene.
  • the coating has suffcient elasticity and flexibility to allow accommodation of an internal shape of the receptacle while being water tight and fitting around the outlet and inlet.
  • the coating is preformed to allow for a perfect lining of the entire receptacle.
  • the removable coating has the possibility of accommodating multiple openings for connection with one or more inlet pipes and one or more outlet pipes.
  • the coating includes a series of prefabricated portions, which may be weakened and removed to selectively accommodate multiple inlets and/or outlets. Only the desired portion of a desired inlet or outlet is removed from the coating to accommodate a friction fit with an exterior surface of the inlet or outlet pipe to the receptacle. Alternatively, a compressive force is exerted on the coating between a pipe and a coupling portion to hold the coating in its place.
  • the present invention provides an assembly comprised by a receptacle and an impermeable coating that retains all the materials flowing in the water, making quite easy the removal or cleaning of the coating.
  • the assembly of the present invention comprises three main parts:
  • the usual receptacle of dirt that receives the waste waters is changed into a model designed to have a coating, i.e., a receptacle that collects dirt, connected in its interior through connection means that connect the coating around its external or inter surfaces at the ends of entrances and exit to a receptacle to collect dirt that can be a whole or divisible shaped to allow the accommodation of the receptacle.
  • a coating i.e., a receptacle that collects dirt
  • the design of the receptacle was changed: the internal ends of the inlets of the receptacle are open and their external ends are closed; the thickness of the wall in the place designed for sectioning is preferably reduced in order to facilitate its opening with cutting tools so as to reduce cross-section and to direct it perpendicularly; the tool to be used, then, may be the same saw used to cut the pipes.
  • the internal ends of the devices are to be protected by movable caps so as to prevent the excessive entering of the pipes where waters will flow and to protect against other damages, such as excessive paste and abrasion marks.
  • the caps will close unused inlets internally and will be removed from the inlets to be used.
  • the diameter of the receptacle inlets is the same as the diameter of the pipes, and said inlets are closed internally. This is an obstacle for the proper fitting of the coating because it implies a reduction of the section of passage of waters at the inlets.
  • the solution found was to supply the receptacle with a connection device only in the outlet, leaving to the plumbers the option of placing the devices-for-connection in the inlets.
  • the diameter of the inlets will be larger than the diameter of the respective pipes through which waters will flow; their diameter is to be large enough to enable the fitting of the corresponding coating and pipes connection devices.
  • the solution found to make cleaning easier and to preserve tightness, which is already guaranteed by the coating is to use a removable coating in addition to the sectioning of the receptacle.
  • the part comprising the coating connection devices is fixed and the remaining parts are made movable.
  • the receptacle may be removed almost entirely, giving support to the coating even when it is displaced for replacement.
  • the coating is connected in the fixed parts and the movable part is placed to give support to the coating.
  • the receptacle may be located in a high position to allow that the removal with the coating filled with dirty waters is done from below. Vertically, below the points for connection, the coating is preferably larger than the receptacle-for-dirt. This enable the receptacle to be lowered before the coating is disconnected.
  • the receptacle may have a water displacer for those waters flowing from the top, which should be located at a given distance but not far from the coating connection devices. This given distance will avoid the need for coatings of different sizes; and not far so that, after the upper edge of the coating is placed between the walls of the receptacle and the displacer, it stays there, at a higher level than the flow of waters.
  • the present invention provides a removable coating, a receptacle to receive the dirt that flow in piping or come from the surface to interrupt their way for decantation and/or for flotation.
  • Said receptacle may have the form of a sack or curved tube, in elastic or flexible material, polyethylene film, for example, so that in the first case (a sack) the connection is accomplished by pressuring its holes against the surface of the connector-for-connection-of-coating-around-its-external-surface or around the external surface of the intermediate-connector-for-connection-of-coating, and in the second (a curved tube) the pressure of the liquid and dirt will adapt to the shape of the receptacle; besides, they are both, useful as stanching between connector-for-connection-of coating-in-its-internal-part and the respective intermediate-connector-for-connection-of-coating. Still, the coating is provided with areas for fitting it in the receptacle through connection means.
  • the coating has two films in the areas designed for connection: one of the films has perforations in the areas designed for connection, and the other film, less resistant, is glued on it around and above its holes in order to isolate them. In the connection places the thinner film is easily broken open with no need for auxiliary tools.
  • Another alternative created is to provide coating with projections in the areas designed for connection, preferably, in cylindrical form or cone log, closed in the external extremity. In the connection places the coating is cut in the projections and thus ready for fitting.
  • An improvement of this solution is a less thickness of the projection walls, so that there will be no need of auxiliary instruments.
  • the coating may be in the form of a siphon to function as trap due to the curvature (26) between the entrance and the exit, so that there is no need for a trap.
  • the coating can be also supplied with a siphon.
  • the coating when filled with liquids, will be narrower in its lower part, in order to facilitate its removal from the bottom up; this can be obtained by folding the coating to form six edges, that is, two folds in the central region, and another two folds in each end, before gluing them and closing the lower part.
  • the receptacles of dirt are not appropriately prepared to receive a removable coating.
  • the present invention provides connections means to connect the removable coating to the receptacle.
  • connection means consist of coupling/fitting. means to connect the coating to the receptacle to minimize the passage of liquids and stinky gases through the joints in the entrance(s) and exit.
  • the connection means have a diameter, in the place where the coating is inserted, larger than the diameter of the corresponding area of the coating foreseen for fitting, because the fitting of the coating is done around the external surface of the connection means.
  • connection of the coating is done around the external surface of the connection means, the sealing between the coating and the device will be a result of the pressure that the elastic and flexible coating will exert in a given area of the connection means, as a result of the forced increase in the diameters of the corresponding part designed to pressure the area of the coating connection. If the coating connection is in the internal part of the connection means, the sealing will happen as a result of the compression of the coating between the connection means and the intermediary part of the connection means.
  • the first step is to insert coating around its external surface up to before the larger diameter of the extremity.
  • This intermediate-connector presents an end that will be inserted in the internal part of the coating connection means.
  • the external diameter of this end is slightly smaller than the internal diameter of the internal connection device to which it will be connected.
  • the thickness of the coating times two, plus the diameter equals a dimension smaller than the diameter of the internal-device, so that the parts have clearance and the insertion is easy; next, the external diameters of the intermediary-device increase gradually until they match the internal diameter of the internal connection device; this happens because, when the intermediary-device is inserted already connected to the coating, this latter is subjected to compression between the two devices, and, since it is made of a flexible and elastic material, it accommodates under pressure, functioning as a sealant.
  • the external surface of both the device for external connection and the intermediary device have an increased diameter in the end attached to the coating to prevent it from breaking loose, and in the case of the device for external connection, it also facilitates the fitting of the coating in the moment of its placement, when the increase of the diameter of the hole foreseen for connection is provoked.
  • the increase of the diameter of the hole of the coating, in the area foreseen for connection can be made using a tool with the same shape of that for the intermediary connection means, but with a reduced size in the cylindrical part, larger at the end of larger diameter and with the end of smaller diameter continued in form of stalk of cone and shut, to proceed to put the tool inside the intermediary connection means, which however, is positioned in the fitting hole of the coating and moves the coating for the conical stalk area of the tool up to the hole increases of diameter and passes for the intermediary connection means, positioning the coating close to the end of larger diameter, resulting in that the coating is prepared to be connected in the internal part of the connection means.
  • the internal connection device From its end to its center, the internal connection device presents internal diameters larger in its initial segment; the diameters gradually reduce up to a segment of constant diameter; this will facilitate the entering of the intermediary connection device already connected to the coating, and the part of the coating working as a sealant will not be sectioned due to pressure being exerted on a very reduced area.
  • the external diameter of the coating external connection means does not need to be constant in the end of the larger diameter and may have a projection that further facilitates the fixing of the connection point of the coating when its diameter is increased, facilitating that the connection can be done, for example, only with one hand.
  • rings of elastic materials may be used in the part of the coating fitting to the connector in order to tighten the connection.
  • the siphon (11) When necessary, the siphon (11) will be, preferably, disposable, and in the case of the coating is inserted in the external surface of the coating connection means, the siphon can be inserted soon after the fixing of the coating, without contacting it, directly in the internal part of the connection means, and if the coating is intended to be fitted at the exit of the internal part of the coating connection means, it is necessary that the siphon possesses the same characteristics of the coating connection means, so that it can already be supplied coupled to the coating, as a whole.
  • the internal part of the coating connection means should foresee that the area suitable to the coupling of the intermediary connector, or of the siphon, is prevented to be invaded by a tube of entrance/exit or eventual glue excess; this can be done using a cap over at the area or internal projection to be protected.
  • the diameters of the internal part of the connection means in the inlets have to be such as to allow the connection of the intermediary part of the connection means with an internal diameter larger or similar to the smallest diameter of the inlet pipe.
  • a displacer of waters (18) was created consisting in a central passage with a slope towards its center.
  • the displacer of waters may be either part of the receptacle, if an exact height of the coating is estimated, or it may be also part of the receptacle extension and, still, part of the base as a support for the grate. In the base it may serve as a support for a movable displacer (17).
  • the movable displacer will be suitable to move the waters to a more central point of the receptacle, and thus, the inclination of the displacer and its support are the same and aim at the non-detachment of the drops that pass between the two displacers before reaching the more central part.
  • its smallest diameter must be smaller than the smallest diameter of its support, and the other end has to rest completely on the fixed displacer.
  • the movable displacer may also become a strainer when closed and has small holes in its central part to retain the more solid dirt that pass through the grate.
  • the displacer of waters can still serve to fix the edges of the coating close to the walls of the receptacle.
  • the system of removal the coating varies according to the type of receptacle of dirt; to facilitate the retreat minimizing the risks of breaking the coating or the receptacle of dirt can be fixed and whole and the coating is removed from the bottom to the top, or when required or more convenient, it can be removed from top to bottom. It is enough for this, that the receptacle of dirt is totally or partially movable. This is possible because the receptacle is designed not to contact directly the dirt; it works only as support for the coating, which works as receptacle; it has not to be totally hermetic and may be separable.
  • the coating 7 may be removed horizontally, if the receptacle is opened laterally; such flexibility allows, for example, the use of passage-boxes built in walls, or even inside closets, counters, cabinets, etc., and that they have small wheels in case of very big and/or heavy boxes, so that they can be moved elsewhere for maintenance to be carried out in a service area instead of, for example, in a kitchen.
  • the invention presents the creation of an assembly that can facilitate the plumbers task of opening the entrances in the receptacles of dirt, at the construction or remodeling time, as also and mainly, the periodic work of maintenance, cleaning of the receptacles, because the receptacle of dirt of the prior art may be partially replace by the coating and the dirt recipient, which no longer receives the dirt and becomes the support for the removable coating.
  • Figures 1 to 5 show an alternative with projections (21 ) in the coating (7), in the areas of connection of the receptacle (1); these projections (21) have thinner walls (6) in their contour, which, besides facilitating the cutting with scissors or other instrument, also allows, due to the weakening provoked by the narrowing, that the rupture is made, besides, carefully, for stretching, manually without the use of any instrument.
  • coating (7) is made of two sheets, one of larger thickness (27) with holes (5) in the places where the receptacle of dirt can fit, the other one of smaller thickness (23), a fifth, for example inside the sheet of larger thickness (27), so that it can be broken manually without affecting the thickest sheet (27), agglutinated one each other in vertical lines (25) between the holes (5), isolating them; in this case the fitting can be made without breaking the sheet of smaller thickness, but it must be broken in the places where there are entrance and exit pipes of the receptacle of dirt;
  • the dirt receptacle (1) is provided in its interior with connector devices (2) that consist of an internal projection in the entrances and exit, which end (20) could have or not, an increased external diameter.
  • the increase in the external diameter need not to be necessarily continuous; for example, it may be only from the inferior half to down or with abrupt projection, for the placement of the coating with only one hand; it imports the easiness of placement of the coating mainly and the seizing to avoid accidental uncoupling.
  • connection means When the external surface of the connection means is not used and the coating is accompanied of intermediary connection means to be connected in its internal part, it can be released, because the internal progress of the connectors for connection in the entrances and exit of the box, could just remain the necessary to maintain the end of each one perpendicular to its axis.
  • the coating (7) should be of material that presents flexibility, to adjust to the form of the receptacle (1), and elasticity, for joining, with pressure of the coating in its holes (5), in the connector devices (2).
  • the coating in polyethylene sheet (7) should be of bigger dimensions to the internal dimensions of the receptacle (1).
  • the narrowing is recommended, provoked by the closing (8) with folds (19) to facilitate the retreat for between the devices connectors (2) and in the superior opening of the receptacle.
  • the coating (7) may be simple, with holes in the places where it is previously known that the connection will be made. Instead, it may also be prepared for breaking in the connection places (6) or still doubled, with holes in the external sheet (27), more resistant, and without in the intern (23), to hinder, even so, weaker, a fifth of the thickness of the other, for example, for being easily broken without damaging the main (27), when necessary for connection. In this last case it is necessary that the two sheets are agglutinated (25) to each other, between the holes (5), isolating them, to preserve the tightness in the holes (5) where there is no connection.
  • a way to prepare the coating so that it is weak, for breaking in the points where connection is needed, is fastening it around the places that will be marked, in a support base with holes in said points, being followed with the forced stretching, from the walls of the sheet that are in the place of the holes, for displacement, preferably, of cylinders with a less external diameter than the inside diameter of the holes.
  • the purpose is with the forced displacement, the point of elasticity is surpassed being proceeded to before the point of breaking of the sheets, so that it happens the narrowing of the same ones, in definitive deformation, forming projections shaped as cone stalks.
  • the space between the diameter of the hole of the support base and the external diameter of the cylinder defines the parts that will suffer deformation, defining the as of displacement in relation to the used material.
  • the holes are made in the most resistant sheet (27); later joins with the weakest sheet (23), gluing them in vertical lines (25) between the holes (5), optionally also above and below them in horizontal lines and in points of the lateral extremities, for they are not free; in the sequence, it is joined the opposed lateral ends in order that the thinnest sheet (23) is in the internal part; next, they are agglutinated, the sheets making a tubular closing; soon after, if necessary, the folds are made (19) to provoke the narrowing of the base (8); finally, the sheets are glued in the base (8) and, in case of continuous sheets, the cutting is done to separate the units of coating.
  • a displacer of waters will be provided in their upper region.
  • the best alternative is to provide the coating connection means in its internal part, together with intermediary coating connection means, because it offers better stanch and they do not use the internal space of the receptacle.
  • intermediary coating connection means because it offers better stanch and they do not use the internal space of the receptacle.
  • the first coating may be in a more resistant washable and re-usable material, having the internal shape of the receptacle, giving a warranty against fails, while the coating that will receive the dirt may be in disposable material.
  • the coating (7) may be made of a double sheet glued to each other.
  • the external sheet (27) is more resistant and provided with connection holes (5) the internal one (23) being thinner and located between the holes of the most resistant, isolating them.
  • the thinnest sheet breaks up easily in the connection locations .
  • a strainer with coating form may be fitted after the coating, so that when the coating is removed, it takes together the solid dirt, and the remaining liquid may directed to the exit before the total removal of the coating.

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)
  • Paints Or Removers (AREA)
  • Sewage (AREA)
  • Connection Of Plates (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Electric Vacuum Cleaner (AREA)
  • Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
  • Insertion Pins And Rivets (AREA)
  • Sink And Installation For Waste Water (AREA)
  • Coating Apparatus (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
EP99928918A 1998-05-28 1999-05-10 Assembly, to be used within a waste water system, being composed of a receptacle, a removable coating and means to connect the coating to the receptacle Expired - Lifetime EP1097275B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
BR9801250 1998-05-28
BR9801250-9A BR9801250C1 (pt) 1998-05-28 1998-05-28 Revestimento removìvel descartável acoplável a receptáculo de sujeiras, para remoção desta sem contato direto com ela e dotação de dispositivos no receptáculo para encaixe de revestimento.
PCT/BR1999/000031 WO1999061714A1 (en) 1998-05-28 1999-05-10 Removable coupling coating to receptacle in that accumulate dirt and endowment of connectors for fitting of that

Publications (2)

Publication Number Publication Date
EP1097275A1 EP1097275A1 (en) 2001-05-09
EP1097275B1 true EP1097275B1 (en) 2005-11-23

Family

ID=4069470

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99928918A Expired - Lifetime EP1097275B1 (en) 1998-05-28 1999-05-10 Assembly, to be used within a waste water system, being composed of a receptacle, a removable coating and means to connect the coating to the receptacle

Country Status (10)

Country Link
EP (1) EP1097275B1 (zh)
CN (1) CN1303455A (zh)
AR (1) AR018406A1 (zh)
AT (1) ATE310857T1 (zh)
AU (1) AU4593599A (zh)
BR (1) BR9801250C1 (zh)
DE (1) DE69928535T2 (zh)
ES (1) ES2253896T3 (zh)
UY (1) UY25531A1 (zh)
WO (1) WO1999061714A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7080751B2 (en) 1998-05-28 2006-07-25 Fernando Alberto Grazziotin Removable liner coupled to a receptacle for collection of debris

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103334486B (zh) * 2013-07-11 2014-06-11 北京建筑大学 雨水口自动溢流截污装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD41404A (zh) *
SE427680B (sv) * 1981-10-01 1983-04-25 Oscar Sven Arntyr Anordning for avskiljning och uppsamling av fororeningar vid dagvattenbrunnar

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7080751B2 (en) 1998-05-28 2006-07-25 Fernando Alberto Grazziotin Removable liner coupled to a receptacle for collection of debris

Also Published As

Publication number Publication date
EP1097275A1 (en) 2001-05-09
ATE310857T1 (de) 2005-12-15
ES2253896T3 (es) 2006-06-01
WO1999061714A1 (en) 1999-12-02
AU4593599A (en) 1999-12-13
DE69928535T2 (de) 2006-08-10
CN1303455A (zh) 2001-07-11
AR018406A1 (es) 2001-11-14
DE69928535D1 (de) 2005-12-29
BR9801250A (pt) 1999-12-28
BR9801250C1 (pt) 2000-10-31
UY25531A1 (es) 2000-02-23

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