EP0174197A3 - Steps - Google Patents

Steps Download PDF

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Publication number
EP0174197A3
EP0174197A3 EP85306311A EP85306311A EP0174197A3 EP 0174197 A3 EP0174197 A3 EP 0174197A3 EP 85306311 A EP85306311 A EP 85306311A EP 85306311 A EP85306311 A EP 85306311A EP 0174197 A3 EP0174197 A3 EP 0174197A3
Authority
EP
European Patent Office
Prior art keywords
pair
walls
hollow
holes
projections
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Withdrawn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
EP85306311A
Other languages
German (de)
French (fr)
Other versions
EP0174197A2 (en
Inventor
Constantinos Mandis
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 EP0174197A2 publication Critical patent/EP0174197A2/en
Publication of EP0174197A3 publication Critical patent/EP0174197A3/en
Withdrawn legal-status Critical Current

Links

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Abstract

There is described the combination of a step for use with a tubular man-hole liner having at least one pair of horizon­ tally located cylindrical holes therein. The step is substantial­ ly U-shaped in plan. It has a tread part and a pair of arms extending from the thread part to walls located respectively at the ends of the arms. A pair of cylindrical projections respectively project from the walls to engage in the holes. The outer ends of the projections are hollow and frusto­ conical plugs are received within the hollow ends and distort them into engagement with the walls.
EP85306311A 1984-09-05 1985-09-05 Steps Withdrawn EP0174197A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA846949 1984-09-05
ZA846949 1984-09-05

Publications (2)

Publication Number Publication Date
EP0174197A2 EP0174197A2 (en) 1986-03-12
EP0174197A3 true EP0174197A3 (en) 1987-01-07

Family

ID=25577498

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85306311A Withdrawn EP0174197A3 (en) 1984-09-05 1985-09-05 Steps

Country Status (1)

Country Link
EP (1) EP0174197A3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HUE025847T2 (en) 2006-10-19 2016-04-28 Societa' Italiana Acetilene E Derivati S I A D S P A In Abbreviated Form Siad S P A Groundwater decontamination system through in situ injection of oxidant and/or riducent gases
AT519577B1 (en) * 2017-03-31 2018-08-15 Predl Gmbh Shaft bottom lining and method for producing a shaft bottom lining

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB470919A (en) * 1936-02-24 1937-08-24 Douglas Spooner Watsham Improvements in or relating to step irons
FR1472410A (en) * 1965-04-23 1967-03-10 Expansion device, provided with removable means for controlling this expansion, intended in particular for the fixing of covering plates
CH478353A (en) * 1968-11-11 1969-09-15 Wesenberg Olav Jig
US3703219A (en) * 1971-03-16 1972-11-21 Products Corp Const Manhole ladder step unit
FR2440461A1 (en) * 1978-11-03 1980-05-30 Materiel Securite Urb Access rungs or handles of polyethylene with aluminium reinforcement - for use where electrical insulation and corrosion-resistance is required
GB2115868A (en) * 1981-08-19 1983-09-14 Rainer Clover Expanding-anchor step iron

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB470919A (en) * 1936-02-24 1937-08-24 Douglas Spooner Watsham Improvements in or relating to step irons
FR1472410A (en) * 1965-04-23 1967-03-10 Expansion device, provided with removable means for controlling this expansion, intended in particular for the fixing of covering plates
CH478353A (en) * 1968-11-11 1969-09-15 Wesenberg Olav Jig
US3703219A (en) * 1971-03-16 1972-11-21 Products Corp Const Manhole ladder step unit
FR2440461A1 (en) * 1978-11-03 1980-05-30 Materiel Securite Urb Access rungs or handles of polyethylene with aluminium reinforcement - for use where electrical insulation and corrosion-resistance is required
GB2115868A (en) * 1981-08-19 1983-09-14 Rainer Clover Expanding-anchor step iron

Also Published As

Publication number Publication date
EP0174197A2 (en) 1986-03-12

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