EP0097392B1 - A plastic gully and an outlet portion and a plastic gully portion for use in such a plastic gully - Google Patents
A plastic gully and an outlet portion and a plastic gully portion for use in such a plastic gully Download PDFInfo
- Publication number
- EP0097392B1 EP0097392B1 EP83200835A EP83200835A EP0097392B1 EP 0097392 B1 EP0097392 B1 EP 0097392B1 EP 83200835 A EP83200835 A EP 83200835A EP 83200835 A EP83200835 A EP 83200835A EP 0097392 B1 EP0097392 B1 EP 0097392B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gully
- plastic
- discharge portion
- curved
- branch portion
- 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
Links
Images
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
- E03F5/0401—Gullies for use in roads or pavements
- E03F5/0405—Gullies for use in roads or pavements with an odour seal
Definitions
- the invention relates to a plastic gully comprising a shaft said shaft being provided with an integral branch portion engaging a discharge portion.
- a plastic gully of this type is known from NL-A-7111224.
- This plastic gully presents the disadvantage that its manufacture is rather difficult due to the use of rather complicated moulds for moulding said gully with an integral branch portion and a discharge portion.
- the main aim of the present invention is now to provide a plastic gully of the abovementioned type allowing an extremely rapid fixing of the discharge portion without the use of any adhesive and a very flexible connection between the discharge portion and the plastic gully so that damages and leakages of the connection during conveyance of the plastic gullies after having mounted the discharge portion are almost absent and moreover no narrow tolerances need to be maintained.
- a discharge portion may thus be received in a connecting branch portion in an extremely rapid and convenient manner, thereby forming an optimum connection between the said connecting branch portion and the plastic gully. Moreover, in this manner a very flexible connection between the discharge portion and the plastic gully is obtained so that damages and leakages of the connection during conveyance of the plastic gullies are, after mounting the discharge portion, almost excluded, whilst moreover, no narrow tolerances need to be maintained.
- GB-A-2.031.480 figures 9 to 11 discloses a snap connection between a discharge portion and an integral branch portion in the bottom of a manhole and a sealing ring located at the outside of the manhole.
- connection presents the disadvantages that rather narrow tolerances must be met for the inner circumference of the opening and the outerside of the connecting portion (vide fig. 10 of GB-A-2.031.480). Moreover, this connection is not sufficiently flexible.
- the invention overcomes this problem by incorporating the sealing ring in the snap connection allowing a very flexible connection between the branch portion and the outlet portion.
- the discharge portion is held in a snapping engagement with the connecting branch portion by pressing the discharge portion adequately from inside the plastic gully through the opening bounded by the connecting branch portion.
- the snap connection between the discharge portion and the gully shaft and the sealing ring in the snap connection are located within the inner side of the branch portion.
- the connecting branch portion comprises cross-sectionally curved connecting branch portion side walls, adjoining the curved connecting branch portion and wall parts, so that a discharge portion can be used comprising spherical side walls, which discharge portions provide a great lateral stability to the discharge portion. More particularly leakage at the sides of the discharge portion is avoided in this manner.
- the discharge portion is connected with a removable stench screen to easier clean plastic gullies which are being used as inspection gullies or as sewage gullies.
- a removable stench screen said stench screen is clampingly retained which preferably is attained by means of two ribs provided on the inner wall of the discharge portion clampingly engaging the stench screen between the-top of the connecting branch portion.
- the used plastic gully consists in many cases of two components, the component as illustrated in the figures functioning as lower part of the plastic gully upon which lower part the upper component is mounted.
- a pipe part or shaft 1a is provided with a connecting branch portion 4 by heating the area to be widened in the watt of the gully, by means of electric elements and by subsequently providing a widened portion by means of an inner and outer mould, said portion forming a connecting branch 4 after removal of the wall.
- the connecting branch portion 4 is provided with an inwardly directed wall portion forming an inwardly directed edge 10.
- the plastic gully according to the invention also comprises a plastic discharge portion 2, provided with a ledge-shaped elevation 11 and a second annular edge 12 located at distance from the ledge shaped elevation 11.
- the inwardly directed edge 10 On outwardly pressing discharge portion 2 through opening 8 from the inner side of the plastic shaft 1 a, the inwardly directed edge 10 will be slightly deformed and will subsequently be set behind the ledge-shaped elevation 11.
- a plastic gully in accordance with the invention has to be provided with a stench screen 6 being clampingly retained between the upper wall of discharge portion 2 and ledges 7, provided on the inner side of discharge portion 2.
- stench screen 6 An easy removal of stench screen 6 enables an appropriate cleaning of the plastic gully, thus creating a good open connection between discharge portion 2 and gully shaft portion 1a.
- the connecting branch portion advantageously comprises, as seen in cross section, curved connecting branch portion side walls 15a and 15b adjoining the cylindrically shaped connecting branch end wall portions 16a and 16b.
- a connecting branch portion 4 results in an easy instalment of a discharge portion 2 comprising, as seen in cross-section, the same curved side walls 13a and 13b adjoining the cylindrically curved end wall portions 14a and 14b of the dischage portion.
Abstract
Description
- The invention relates to a plastic gully comprising a shaft said shaft being provided with an integral branch portion engaging a discharge portion.
- A plastic gully of this type is known from NL-A-7111224. This plastic gully presents the disadvantage that its manufacture is rather difficult due to the use of rather complicated moulds for moulding said gully with an integral branch portion and a discharge portion.
- For this reason it has been proposed in practice to manufacture a plastic gully of this type by manufacturing a plastic gully with an integral opening in which a separate discharge portion is fixed by means of an adhesive connection.
- These adhesive connections are disadvantageous as narrow tolerances should be maintained to obtain an optimum adhesive connection whereas an instalment of said discharge portion is very time-consuming.
- The use of an adhesive is the more cumbersome because the evil smell and evaporation of harmful volatile agents in the adhesive.
- The quality of an adhesive connection in addition being extremely dependent upon the person, who applies the same, great differences in quality of said adhesive connection may occur and it therefore frequently happens that the adhesive connections of discharge portions adhered to plastic gullies will get lost during their conveyance.
- As plastic gullies of this type accommodated beneath traffic roads are also subjected to various different loads, the rigid adhesive connection will be easily damaged after instalment of the gullies in a conduit system.
- The main aim of the present invention is now to provide a plastic gully of the abovementioned type allowing an extremely rapid fixing of the discharge portion without the use of any adhesive and a very flexible connection between the discharge portion and the plastic gully so that damages and leakages of the connection during conveyance of the plastic gullies after having mounted the discharge portion are almost absent and moreover no narrow tolerances need to be maintained.
- This aim is attained in that the discharge portion snappingly engages the connecting branch position and a sealing ring is accommodated within the snap connection.
- Obviously a discharge portion may thus be received in a connecting branch portion in an extremely rapid and convenient manner, thereby forming an optimum connection between the said connecting branch portion and the plastic gully. Moreover, in this manner a very flexible connection between the discharge portion and the plastic gully is obtained so that damages and leakages of the connection during conveyance of the plastic gullies are, after mounting the discharge portion, almost excluded, whilst moreover, no narrow tolerances need to be maintained.
- It should be noted that GB-A-2.031.480 figures 9 to 11 discloses a snap connection between a discharge portion and an integral branch portion in the bottom of a manhole and a sealing ring located at the outside of the manhole.
- However, this connection presents the disadvantages that rather narrow tolerances must be met for the inner circumference of the opening and the outerside of the connecting portion (vide fig. 10 of GB-A-2.031.480). Moreover, this connection is not sufficiently flexible.
- The invention overcomes this problem by incorporating the sealing ring in the snap connection allowing a very flexible connection between the branch portion and the outlet portion.
- Very advantageously the discharge portion is held in a snapping engagement with the connecting branch portion by pressing the discharge portion adequately from inside the plastic gully through the opening bounded by the connecting branch portion.
- This provides the advantage that an extremely good engagement may be rapidly obtained.
- In a very preferred embodiment the snap connection between the discharge portion and the gully shaft and the sealing ring in the snap connection are located within the inner side of the branch portion.
- Very advantageously the connecting branch portion comprises cross-sectionally curved connecting branch portion side walls, adjoining the curved connecting branch portion and wall parts, so that a discharge portion can be used comprising spherical side walls, which discharge portions provide a great lateral stability to the discharge portion. More particularly leakage at the sides of the discharge portion is avoided in this manner.
- It is to be recommended in particular that the discharge portion is connected with a removable stench screen to easier clean plastic gullies which are being used as inspection gullies or as sewage gullies.
- To obtain a removable stench screen said stench screen is clampingly retained which preferably is attained by means of two ribs provided on the inner wall of the discharge portion clampingly engaging the stench screen between the-top of the connecting branch portion.
- The invention will be illustrated with respect to an embodiment in the drawings, wherein
- Fig. 1 is a lateral section of a plastic gully according to the invention;
- Fig. 2 is a section according to line II-II;
- Fig. 3 is a side view of a plastic gully according to the invention and
- Fig. 4 illustrates a view according to line IV-IV.
- Fig. 1 illustrates a
plastic gully 1 conveniently consisting of polyvinylchloride. Theplastic gully 1 comprises a shaft connected to abottom 9. - The used plastic gully consists in many cases of two components, the component as illustrated in the figures functioning as lower part of the plastic gully upon which lower part the upper component is mounted.
- A pipe part or
shaft 1a is provided with a connectingbranch portion 4 by heating the area to be widened in the watt of the gully, by means of electric elements and by subsequently providing a widened portion by means of an inner and outer mould, said portion forming a connectingbranch 4 after removal of the wall. - The connecting
branch portion 4 is provided with an inwardly directed wall portion forming an inwardly directededge 10. - The plastic gully according to the invention also comprises a
plastic discharge portion 2, provided with a ledge-shaped elevation 11 and a secondannular edge 12 located at distance from the ledgeshaped elevation 11. - On outwardly pressing
discharge portion 2 through opening 8 from the inner side of theplastic shaft 1 a, the inwardly directededge 10 will be slightly deformed and will subsequently be set behind the ledge-shaped elevation 11. - In this manner an optimum snapping engagement 3 is obtained.
- A
sealing ring 5 provided in.the space between ledge-shaped elevation 11 andannular edge 12 simultaneously ensures an optimum seal, since said sealingring 5 seals the inner side ofshaft 1 and the outer side ofdischarge portion 2. - A plastic gully in accordance with the invention has to be provided with a
stench screen 6 being clampingly retained between the upper wall ofdischarge portion 2 andledges 7, provided on the inner side ofdischarge portion 2. - An easy removal of
stench screen 6 enables an appropriate cleaning of the plastic gully, thus creating a good open connection betweendischarge portion 2 andgully shaft portion 1a. - The connecting branch portion advantageously comprises, as seen in cross section, curved connecting branch
portion side walls end wall portions 16a and 16b. - The use of such a connecting
branch portion 4 results in an easy instalment of adischarge portion 2 comprising, as seen in cross-section, the samecurved side walls 13a and 13b adjoining the cylindrically curvedend wall portions - In the above manner an optimum seal and flexible connection are obtained as well as a very high natural stability of the discharge portion respectively, in comparison with a discharge portion comprising flat side walls.
- It is observed that the reference numerals in the claims are not intended to restrict the scope thereof, but are only denoted for clarification.
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT83200835T ATE33279T1 (en) | 1982-06-07 | 1983-06-07 | PLASTIC DRAIN, OUTLET PART AND PLASTIC DRAIN PART FOR USE IN THIS PLASTIC DRAIN. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8202299 | 1982-06-07 | ||
NL8202299A NL8202299A (en) | 1982-06-07 | 1982-06-07 | PLASTIC WELL. |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0097392A2 EP0097392A2 (en) | 1984-01-04 |
EP0097392A3 EP0097392A3 (en) | 1985-04-17 |
EP0097392B1 true EP0097392B1 (en) | 1988-03-30 |
Family
ID=19839838
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP83200835A Expired EP0097392B1 (en) | 1982-06-07 | 1983-06-07 | A plastic gully and an outlet portion and a plastic gully portion for use in such a plastic gully |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0097392B1 (en) |
AT (1) | ATE33279T1 (en) |
DE (1) | DE3376125D1 (en) |
NL (1) | NL8202299A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19747863A1 (en) * | 1997-10-30 | 1999-05-06 | Ralph Peter Dr Ing Hegler | Flushing and control shaft for liquid lines and shaft section therefor |
NL1007773C2 (en) * | 1997-12-11 | 1999-06-14 | Polva Pipelife Bv | Gluing end of a pipe section to the coupling sleeve section of an auxiliary part, used to form e.g. well chambers or street drains |
DE102004020929A1 (en) * | 2004-04-28 | 2005-11-24 | Hegler, Ralph-Peter, Dr.-Ing. | Kit for a pipe connection and its use |
EP2796628B1 (en) * | 2013-04-24 | 2019-11-06 | D & B Ingenieurs B.V. | Improved gulley |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1269351A (en) * | 1968-01-04 | 1972-04-06 | Marscar Ltd | Improvements in or relating to soil or surface drainage |
NL7111224A (en) * | 1971-08-14 | 1973-02-16 | Sump boxes - for pavement and roadway surface water drainage | |
GB2031480A (en) * | 1978-07-24 | 1980-04-23 | Hepworth Iron Co Ltd | Manholes |
-
1982
- 1982-06-07 NL NL8202299A patent/NL8202299A/en not_active Application Discontinuation
-
1983
- 1983-06-07 EP EP83200835A patent/EP0097392B1/en not_active Expired
- 1983-06-07 AT AT83200835T patent/ATE33279T1/en active
- 1983-06-07 DE DE8383200835T patent/DE3376125D1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ATE33279T1 (en) | 1988-04-15 |
DE3376125D1 (en) | 1988-05-05 |
NL8202299A (en) | 1984-01-02 |
EP0097392A3 (en) | 1985-04-17 |
EP0097392A2 (en) | 1984-01-04 |
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