EP3924557A4 - A locking/unlocking arrangement for a well cover - Google Patents

A locking/unlocking arrangement for a well cover Download PDF

Info

Publication number
EP3924557A4
EP3924557A4 EP19915511.0A EP19915511A EP3924557A4 EP 3924557 A4 EP3924557 A4 EP 3924557A4 EP 19915511 A EP19915511 A EP 19915511A EP 3924557 A4 EP3924557 A4 EP 3924557A4
Authority
EP
European Patent Office
Prior art keywords
locking
well cover
unlocking arrangement
unlocking
arrangement
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.)
Pending
Application number
EP19915511.0A
Other languages
German (de)
French (fr)
Other versions
EP3924557A1 (en
Inventor
Tomas Karlsson
Petter Lokander
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.)
Tierps Jaernbruk AB
Original Assignee
Tierps Jaernbruk AB
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 Tierps Jaernbruk AB filed Critical Tierps Jaernbruk AB
Publication of EP3924557A1 publication Critical patent/EP3924557A1/en
Publication of EP3924557A4 publication Critical patent/EP3924557A4/en
Pending legal-status Critical Current

Links

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
    • 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
    • E02D29/1427—Locking devices
    • 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
    • E02D29/1418—Covers for manholes or the like; Frames for covers with implements to assist in lifting, e.g. counterweights, springs
    • 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
    • E02D29/1481—Security devices, e.g. indicating unauthorised opening

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)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
EP19915511.0A 2019-02-12 2019-09-27 A locking/unlocking arrangement for a well cover Pending EP3924557A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1930054A SE542429C2 (en) 2019-02-12 2019-02-12 Locking and opening device for manhole cover
PCT/SE2019/050937 WO2020167181A1 (en) 2019-02-12 2019-09-27 A locking/unlocking arrangement for a well cover

Publications (2)

Publication Number Publication Date
EP3924557A1 EP3924557A1 (en) 2021-12-22
EP3924557A4 true EP3924557A4 (en) 2022-11-16

Family

ID=70324680

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19915511.0A Pending EP3924557A4 (en) 2019-02-12 2019-09-27 A locking/unlocking arrangement for a well cover

Country Status (3)

Country Link
EP (1) EP3924557A4 (en)
SE (1) SE542429C2 (en)
WO (1) WO2020167181A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112459124A (en) * 2020-11-25 2021-03-09 安徽力杰新材料有限公司 Push-type rebounding rotary anti-theft well lid and assembly method thereof
SE2130011A1 (en) * 2021-01-12 2021-09-28 Tierps Jaernbruk Ab Well cover with lifting and lowering lid
CN113818492B (en) * 2021-11-08 2022-09-23 曹熙 Town road drainage structures with emergent drainage function
CN114182761A (en) * 2021-12-23 2022-03-15 金永强 Shock attenuation inspection shaft lid
CN114809095B (en) * 2022-03-30 2023-12-08 上海译格照明设计有限公司 Invisible well lid opening and automatic resetting mechanism and opening and moving mechanism

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2027472A (en) * 1978-07-28 1980-02-20 Brickhouse Dudley Ltd Road surface boxes
DE3628703A1 (en) * 1985-10-21 1987-04-23 Werner Nill Opening device for covers of ground orifices, especially for inspection orifices of sewage systems
EP1936041A2 (en) * 2006-12-22 2008-06-25 Prefabricados Uniblok, S.A. Operator access door for underground buildings
EP2071084A1 (en) * 2007-12-14 2009-06-17 TBS Soest b.v. Device and method for closing a hole in the ground

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3930739A (en) * 1972-08-22 1976-01-06 Larsson Folke J Manhole frame with adjustment screws
US4461597A (en) * 1983-04-27 1984-07-24 Laurin Gerard F Valve box cover
CH688157A5 (en) 1994-04-20 1997-05-30 Von Roll Ag Manhole cover.
US5507590A (en) 1994-08-04 1996-04-16 Argandona; Toby Cover assembly for manholes and the like
US5531541A (en) 1995-03-22 1996-07-02 Fairfield Industries Manhole cover lifting apparatus
US6095365A (en) * 1998-08-24 2000-08-01 The Heil Company Pivoting hatch cover assembly
US7341398B2 (en) 2006-05-24 2008-03-11 East Jordan Iron Works, Inc. Lift-assisted manhole cover
DK178170B1 (en) 2014-04-15 2015-07-13 Harde Staal Aps Hinged cover

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2027472A (en) * 1978-07-28 1980-02-20 Brickhouse Dudley Ltd Road surface boxes
DE3628703A1 (en) * 1985-10-21 1987-04-23 Werner Nill Opening device for covers of ground orifices, especially for inspection orifices of sewage systems
EP1936041A2 (en) * 2006-12-22 2008-06-25 Prefabricados Uniblok, S.A. Operator access door for underground buildings
EP2071084A1 (en) * 2007-12-14 2009-06-17 TBS Soest b.v. Device and method for closing a hole in the ground

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020167181A1 *

Also Published As

Publication number Publication date
SE1930054A1 (en) 2020-04-28
SE542429C2 (en) 2020-04-28
EP3924557A1 (en) 2021-12-22
WO2020167181A1 (en) 2020-08-20

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