EP0439418A1 - Echelon de sécurité destiné à être ancré dans la paroi d'un ouvrage en béton - Google Patents

Echelon de sécurité destiné à être ancré dans la paroi d'un ouvrage en béton Download PDF

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Publication number
EP0439418A1
EP0439418A1 EP91440004A EP91440004A EP0439418A1 EP 0439418 A1 EP0439418 A1 EP 0439418A1 EP 91440004 A EP91440004 A EP 91440004A EP 91440004 A EP91440004 A EP 91440004A EP 0439418 A1 EP0439418 A1 EP 0439418A1
Authority
EP
European Patent Office
Prior art keywords
sleeve
tubular element
intended
anchored
concrete
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Withdrawn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
EP91440004A
Other languages
German (de)
English (en)
French (fr)
Inventor
Christian Krättli
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
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 EP0439418A1 publication Critical patent/EP0439418A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C9/00—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes
    • E06C9/02—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes rigidly mounted
    • E06C9/04—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes rigidly mounted in the form of climbing irons or the like

Definitions

  • the subject of the present invention is a safety rung intended to be anchored in the wall of a masonry structure, more particularly of concrete structures allowing access to sewer networks, inspection chambers, etc.
  • the steps known to date for this type of use generally comprise a tubular element approximately in the shape of a U, the end of the branches of which is intended to be inserted into the wall of the masonry work.
  • the object of the present invention is to remedy these various drawbacks by proposing an aluminum rung with molded sleeve, which combines the advantage of easy installation in masonry with that of avoiding any installation errors during fixing. of the sleeve as well as any separation of the rung and the sleeve during use, while also offering excellent resistance to corrosion.
  • the step according to the invention is advantageously made of an alloy adapted to give it an elastic resistance of 20 to 30 daN / mm2, and it can be covered with a anticorrosion material such as epoxy resin paint.
  • the rung can also have longitudinal grooves on its surface arranged around its entire circumference in order to give it anti-drip qualities.
  • the sleeves of the rung according to the invention are produced by overmolding on each of the ends of the tubular element, this overmolding being produced by injection of a synthetic resin which is preferably an epoxy resin or a polyurethane.
  • the sockets cooperating with the sleeves of the rung according to the invention are produced by injection molding of a synthetic resin of the same kind as the sleeve. They are thus preferably made of epoxy resin or polyurethane.
  • the rung according to the invention consists of a cylindrical tubular element 1 of aluminum or aluminum alloy approximately in the shape of a U comprising a bilateral stamped 2, 2 ′ anti-tearing in the vicinity of each end as well as grooves 3 with parallel edges and flat bottom, arranged longitudinally on the outer circumference 5 of the tubular element 1.
  • the tubular element 1 has two elbows 6 and 6 ′ with a radius of curvature such that the ends 7 and 7 ′ of the tubular element 1 are approximately perpendicular to the concrete wall.
  • the sleeve 8 molded onto the tubular element 1 is joined by a circular bead 9 with the bilateral stamping 2 2 ′ formed on each end of the tubular element 1.
  • the sleeve 8 is provided on its outer circumference with a cutout 10 in the form of a sawtooth intended to improve its connection with the concrete or with the socket 11.
  • a truncated cone 12 which serves as a plug and as an insulator for the tubular element 1, while its rear part is provided with a cylindrical effusion 13 forming a stop.
  • the sleeve 11 which can be associated with the sleeve 8 has on its outer circumference grooves 14 with parallel edges and flat bottom intended to secure it to the concrete during the molding of the latter.
  • the internal wall of the female sleeve 11 is smooth and its end 16 has a frustoconical internal wall 15 intended to receive the end 12 of the sleeve 8.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Road Signs Or Road Markings (AREA)
EP91440004A 1990-01-26 1991-01-25 Echelon de sécurité destiné à être ancré dans la paroi d'un ouvrage en béton Withdrawn EP0439418A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9001109 1990-01-26
FR9001109A FR2657647A1 (fr) 1990-01-26 1990-01-26 Echelon de securite destine a etre ancre dans la paroi d'un ouvrage en beton.

Publications (1)

Publication Number Publication Date
EP0439418A1 true EP0439418A1 (fr) 1991-07-31

Family

ID=9393261

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91440004A Withdrawn EP0439418A1 (fr) 1990-01-26 1991-01-25 Echelon de sécurité destiné à être ancré dans la paroi d'un ouvrage en béton

Country Status (2)

Country Link
EP (1) EP0439418A1 (fi)
FR (1) FR2657647A1 (fi)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3502173A (en) * 1968-12-09 1970-03-24 Harold G Arnold Electrically insulated ladder
DE3322985C1 (de) * 1983-06-25 1984-11-22 Chemieschutz Gesellschaft für Säurebau mbH, 6140 Bensheim In einer Wand zu verankerndes Steigelement
US4610330A (en) * 1984-07-25 1986-09-09 Clay And Bailey Manufacturing Co., Inc. Drive-in manhole step construction
US4655318A (en) * 1985-10-04 1987-04-07 H. Bowen Company, Inc. Step assembly
EP0223725A1 (fr) * 1985-10-23 1987-05-27 M.S.U. MATERIEL DE SECURITE URBAIN Société à responsibilité limitée dite: Echelon de scellement et son procédé de fixation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2440461A1 (fr) * 1978-11-03 1980-05-30 Materiel Securite Urb Echelon de securite

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3502173A (en) * 1968-12-09 1970-03-24 Harold G Arnold Electrically insulated ladder
DE3322985C1 (de) * 1983-06-25 1984-11-22 Chemieschutz Gesellschaft für Säurebau mbH, 6140 Bensheim In einer Wand zu verankerndes Steigelement
US4610330A (en) * 1984-07-25 1986-09-09 Clay And Bailey Manufacturing Co., Inc. Drive-in manhole step construction
US4655318A (en) * 1985-10-04 1987-04-07 H. Bowen Company, Inc. Step assembly
EP0223725A1 (fr) * 1985-10-23 1987-05-27 M.S.U. MATERIEL DE SECURITE URBAIN Société à responsibilité limitée dite: Echelon de scellement et son procédé de fixation

Also Published As

Publication number Publication date
FR2657647B1 (fi) 1994-04-22
FR2657647A1 (fr) 1991-08-02

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