EP0536100A1 - A riser with floating cover - Google Patents

A riser with floating cover Download PDF

Info

Publication number
EP0536100A1
EP0536100A1 EP92850225A EP92850225A EP0536100A1 EP 0536100 A1 EP0536100 A1 EP 0536100A1 EP 92850225 A EP92850225 A EP 92850225A EP 92850225 A EP92850225 A EP 92850225A EP 0536100 A1 EP0536100 A1 EP 0536100A1
Authority
EP
European Patent Office
Prior art keywords
riser pipe
covering
socket
gully
pipe
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.)
Withdrawn
Application number
EP92850225A
Other languages
German (de)
English (en)
French (fr)
Inventor
Tage Skönvall
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.)
SKOENVALL, TAGE
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 EP0536100A1 publication Critical patent/EP0536100A1/en
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1409—Covers for manholes or the like; Frames for covers adjustable in height or inclination

Definitions

  • the present invention relates to a riser pipe with floating gully covering comprising a covering rim connected at a socket to the riser pipe.
  • the invention relates to a riser pipe with a floating gully covering of the kind referred to above wherein there is provided on the outside of the riser pipe a circumferential spherically curved bulge having the center of curvature on the center axis of the riser pipe, and there is provided on the inside of the socket an annular concavity adapted to the spherical curvature of the bulge, said concavity bearing against the bulge maintaining the riser pipe and the socket in mutual engagement allowing the gully covering to be universally tilted in relation to the riser pipe.
  • the connection between the riser pipe and the covering rim is formed by a ball joint which allows the gully covering to be angled in relation to the telescope pipe such that the covering can be inclined in order to be adapted to existing slope of the ground surface.
  • SE-B-398 904 discloses a riser pipe with a floating gully covering, constructed in said manner, the pipe wall and the socket being curved to form matching spherical surfaces.
  • this prior art embodiment is difficult to manufacture because one of the two elements forming the ball joint - the riser pipe or the socket of the curved - in the manufacture before the covered shape is imparted thereto has to be passed into or over the other element in order then to be curved.
  • This method of manufacture is complicated and cumbersome.
  • one element, the riser pipe or the socket can be slotted so that the elements can be pulled together by the slotted element yielding resiliently, but also this involves a cumbersome method of manufacture.
  • the object of the invention is to simplify considerably the manufacture of a riser pipe with a floating gully covering of the kind referred to herein, and this object is achieved by providing a riser pipe with a floating gully covering of said kind having the characterizing features of claim 1.
  • a pipe 10 which can be assumed to be made of plastics and can form the upper portion of an underground telescopic riser pipe.
  • a gully covering is provided which can be made of cast iron or plastics and comprises a covering rim 11 which should be flush e.g. with the surface of a roadway and is integral with a depending connection socket 12.
  • the gully covering also comprises a gully cover 13 supported by a shoulder 14 in the rim. The upper surface of the cover is flush with the upper surface of the rim.
  • the pipe 10 at the upper end thereof is shaped to form a spherically curved outside surface 15 the center of curvature of which being located on the center axis of the pipe. Centrally of said spherically curved surface there is formed an annular rib 16.
  • a shallow annular groove is provided in the inner side of the socket 12 said groove having a spherically curved bottom surface and the center of curvature thereof being located on the center axis of the socket.
  • a through passage 18 joining said annular groove tangentially as shown in FIG 3.
  • an elastically flexible strip element 19 preferably extruded of suitable plastics having good bearing properties has been inserted from the outside into the groove 17 through the passage 18 in order to interconnect the covering and the pipe.
  • Said element has a smooth outside surface and this surface preferably is plane initially.
  • the surface has adjusted to the curved bottom of the groove so that the element is curved transversally along the bottom.
  • the element 19 adjacent the longitudinal edges thereof has two mutually spaced ribs 20 at each side of the annular rib 16, the annular rib 16 and the ribs 20 having such height that the element and the pipe interengage at these ribs.
  • the gully covering 11 and the pipe 10 are effectively interlocked axially, the gully covering being easily rotated and tilted universally in relation to the pipe to allow adjustment of the position of the gully covering to existing slope of the ground surface.
  • a ball joint connection beween the covering rim and the pipe.
  • a spherical surface can be formed on the pipe by a simple working operation.
  • the provision of an inside annular groove in the socket of the gully covering involves no difficulties.
  • the element 19 can be extruded and, thus, also this element can be manufactured by a simple method of manufacture.
  • the gully covering and the pipe are interconnected by the element 19 being pushed into the groove 17 through the passage 18, and also this working operation is not complicated.
  • Suitable materials for the element 19 is softened PCV and hard rubber.
  • the spherical surface on the pipe 10 in the simplest way is provided by shaping the pipe but it is of course also possible to mount on the cylindrical pipe a ring having a cylindral inside surface and a spherically curved outside surface. It is not necessary that the groove 17 is continuous overthe entire circumference of the socket. This groove can be limited to the peripherally spaced raised portions on the inside surface of the socket.
  • the element 19 and the surface 15 interengage at the ribs 16 and 20 but the element and the surface can also interengage directly.
  • the ribs limit tilting of the covering rim and prevent the rim from being pulled off the pipe by the rim being tilted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Joints Allowing Movement (AREA)
  • Special Spraying Apparatus (AREA)
  • Sewage (AREA)
EP92850225A 1991-09-30 1992-09-23 A riser with floating cover Withdrawn EP0536100A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9102827 1991-09-30
SE9102827A SE502029C2 (sv) 1991-09-30 1991-09-30 Stigarrör med flytande brunnsbetäckning

Publications (1)

Publication Number Publication Date
EP0536100A1 true EP0536100A1 (en) 1993-04-07

Family

ID=20383863

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92850225A Withdrawn EP0536100A1 (en) 1991-09-30 1992-09-23 A riser with floating cover

Country Status (4)

Country Link
EP (1) EP0536100A1 ( )
FI (1) FI924375A ( )
NO (1) NO923790L ( )
SE (1) SE502029C2 ( )

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29610934U1 (de) * 1996-06-21 1996-08-08 Betonwerk Kwade GmbH & Co. KG, 48465 Schüttorf Kanalisationsschacht
WO1997049872A1 (de) * 1996-06-21 1997-12-31 Karl Kortmann Kanalisationsschacht mit einem abdeckelement
US6367097B1 (en) * 1999-08-04 2002-04-09 Sacopa, S.A. Swimming pool bottom flushing device
WO2002036892A1 (de) * 2000-10-31 2002-05-10 Peter Hagen Vorrichtung zum abdecken von schächten
US6698973B2 (en) * 2000-08-30 2004-03-02 Ismail Cemil Suatac Adjustable manhole cover assembly

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH435135A (de) * 1965-09-22 1967-04-30 Gubser Emil Schachtabdeckung
DE2509971A1 (de) * 1975-03-07 1976-09-09 Schaefer & Co Otto Rohrverbindung
SE398904B (sv) * 1977-03-16 1978-01-23 Gustavsberg Lubonyl Ab Anordning for beteckning av ror eller rorbrunnar

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH435135A (de) * 1965-09-22 1967-04-30 Gubser Emil Schachtabdeckung
DE2509971A1 (de) * 1975-03-07 1976-09-09 Schaefer & Co Otto Rohrverbindung
SE398904B (sv) * 1977-03-16 1978-01-23 Gustavsberg Lubonyl Ab Anordning for beteckning av ror eller rorbrunnar

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29610934U1 (de) * 1996-06-21 1996-08-08 Betonwerk Kwade GmbH & Co. KG, 48465 Schüttorf Kanalisationsschacht
WO1997049872A1 (de) * 1996-06-21 1997-12-31 Karl Kortmann Kanalisationsschacht mit einem abdeckelement
US6367097B1 (en) * 1999-08-04 2002-04-09 Sacopa, S.A. Swimming pool bottom flushing device
US6698973B2 (en) * 2000-08-30 2004-03-02 Ismail Cemil Suatac Adjustable manhole cover assembly
WO2002036892A1 (de) * 2000-10-31 2002-05-10 Peter Hagen Vorrichtung zum abdecken von schächten
US6773202B2 (en) 2000-10-31 2004-08-10 Peter Hagen Device for covering shafts

Also Published As

Publication number Publication date
NO923790L (no) 1993-03-31
SE9102827L (sv) 1993-03-31
SE502029C2 (sv) 1995-07-17
FI924375A0 (fi) 1992-09-29
NO923790D0 (no) 1992-09-29
SE9102827D0 (sv) 1991-09-30
FI924375A (fi) 1993-03-31

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

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Designated state(s): AT BE CH DE DK ES FR GB IT LI NL PT SE

17P Request for examination filed

Effective date: 19930901

17Q First examination report despatched

Effective date: 19941027

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: SKOENVALL, TAGE

STAA Information on the status of an ep patent application or granted ep patent

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18D Application deemed to be withdrawn

Effective date: 19960402