EP0040606B1 - Element for the construction of a stair case - Google Patents

Element for the construction of a stair case Download PDF

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Publication number
EP0040606B1
EP0040606B1 EP80902046A EP80902046A EP0040606B1 EP 0040606 B1 EP0040606 B1 EP 0040606B1 EP 80902046 A EP80902046 A EP 80902046A EP 80902046 A EP80902046 A EP 80902046A EP 0040606 B1 EP0040606 B1 EP 0040606B1
Authority
EP
European Patent Office
Prior art keywords
construction
bridge
tread
pillar
bridge pillar
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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
Application number
EP80902046A
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German (de)
French (fr)
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EP0040606A1 (en
Inventor
Rudolf Pichler
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to AT80902046T priority Critical patent/ATE3731T1/en
Publication of EP0040606A1 publication Critical patent/EP0040606A1/en
Application granted granted Critical
Publication of EP0040606B1 publication Critical patent/EP0040606B1/en
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02—Stairways; Layouts thereof
    • E04F11/104—Treads
    • E04F11/116—Treads of stone, concrete or like material or with an upper layer of stone or stone like material, e.g. ceramics, concrete; of glass or with an upper layer of glass
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02—Stairways; Layouts thereof
    • E04F11/104—Treads
    • E04F11/1041—Treads having means to adjust the height, the depth and/or the slope of the stair steps

Definitions

  • the invention relates to a staircase component which forms a bow-like bridge section in cross section, which forms a flat footplate at the top, delimited by right-angled edges, and has a front bridge pillar which is provided on its underside with a plurality of tooth-like shoulders which, according to the step height to be set, on the can be supported behind the edge of the tread plate of a first staircase component.
  • CH-A-PS 369575 relates to a staircase in which the first staircase component has a flat step plate, delimited by right-angled edges, and a front bridge pillar, which is provided on its underside with tooth-like shoulders which are intended to be tooth-like shoulders on interlocking the rear part of the step plate of a second staircase component in order to determine the step height and step depth.
  • CH-A-PS 475445 a set of stair building elements is published, in which the step height of a staircase can be adjusted according to two different values by changing the position of a rectangular step element.
  • the slope of the stairs can be varied somewhat by letting the tread plate protrude more or less beyond the step element.
  • the CH-A-PS 485931 describes a staircase with adjustable incline, in which at least one toothed concrete molding is provided transversely to the direction of the stairs, and the tread element is connected directly or via a core to the toothing of the concrete molding in a non-displaceable manner.
  • the object of the staircase component according to the invention is to create a unit element which makes it possible to vary the step height of a staircase within the widest possible limits, e.g. in places by means of gearing to adjust to different values to almost double the height, and also to combine such unit elements in such a way that the step height becomes zero, i.e. that the tread plates together form a flat surface that can be provided as a platform.
  • a rear bridge pillar of the bridge section at the bottom is connected by a sloping section to a channel section which has a raised outer edge, and that the rear bridge pier including the sloping section below has a plurality of shoulders, so that the front bridge pier of a second stairway component can rest with one of its shoulders on the rear edge portion of the tread plate of the first stair component and the rear bridge pillar of the second stair component with the corresponding paragraph on the outer, upper edge of the outer edge of the channel portion of the first stair component.
  • the staircase component 1 a as a unit element has a bow-like bridge section 2 and a subsequent channel section 3 in cross section. Above the bridge section 2 is designed as a tread plate 4, the edge angle of which is 90 °.
  • a front bridge pillar 5 of the bridge section 2 has tooth-like shoulders 6 on its underside, which are delimited by vertical and horizontal planes.
  • a rear bridge pier 7 of the bridge section 2 is connected at the bottom by an inclined section 8 to the channel section 3. This is limited by a raised outer edge 9.
  • a second stair component 1 b is placed on two adjacent first stair components 1 to form an average step height.
  • the front bridge pillar 5 of the second staircase component 1 is seated with one of its shoulders 6 on the rear edge portion 10 of the tread plates 4 of the two first staircase components 1a.
  • the same shoulder 6 of the rear bridge pillar 7 comes to rest on the area of the outer, upper edge 11 of the outer edge 9 of the first components 1 a.
  • the paragraphs 6 are directed so that the second, upper staircase component 1 b cannot be moved in the descending direction of the stairs.
  • a lateral recess 12 is provided on the channel section 3, which serves to correct the position of the staircase component.
  • the paragraphs 6 of the bridge pillars 5, 7 allow an optional adjustment of the step height up to approximately twice its value.
  • the staircase can be made as wide as desired by the juxtaposition of several staircase elements.
  • the parting lines 13 are advantageously partially covered by displacing the staircase elements placed thereon. Unit elements with only single and double step lengths are therefore sufficient, which enables economical production.
  • the bottom, first stair construction elements are concreted in. The following are preferably used freely.
  • the rear bridge pillar 7 has a protruding shoulder 14 in its middle, which is at least twice as large as the lower paragraphs 6.
  • the front, lower nose section 15 of the front bridge pillar 5 of the second step Penbauelements 1 can accordingly be placed on the shoulder 14 and the underside of the step plate 4 on the outer edge 9 of the channel section 3 of the first stairway element 1a, the cover surfaces of the step plates 4 of the stairway elements 1a, 1b coming to lie in the same plane and a platform ( Fig. 2) form.
  • the stair construction element enables the production of a staircase with side ramps for prams, shopping carts, etc. This element can be closed off to the side between the two bridge pillars 5 and 7.
  • the stairway can be provided with different step heights, the smallest step height being chosen at the top.
  • the staircase which is advantageous for terrace houses, can also be wide at the bottom and narrower at the top. It can therefore be designed individually. Depending on the nature of the floor, corrections can be made. Platforms can be erected at the desired points on the stairs.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Steps, Ramps, And Handrails (AREA)
  • Basic Packing Technique (AREA)
  • Package Frames And Binding Bands (AREA)
  • Clamps And Clips (AREA)

Abstract

The construction element (1a) has a bridge-like portion (2) of which a first (5) and a second (7) pillars are provided on the lower part thereof with a plurality of steps (6). The second pillar (7) is connected by an inclined part (8) to a channel-like portion (3), provided with an outer edge (9). During construction of the staircase, a second element (1b) is set in place with one of the steps (6) of the first pillar on one arris (10) of the stair (4), as well as with a step corresponding to the second pillar on the arris (11) on the top outer edge (9) of the first element (1a). The height of the stair may be varied up to a double ratio according to the steps (6) in contact with the arrises.

Description

Die Erfindung betrifft ein Treppenbauelement, das im Querschnitt eine bügelartige Brückenpartie bildet, die oben eine ebene, durch rechtwinklige Kanten begrenzte Trittplatte bildet und einen vorderen Brückenpfeiler aufweist, der an seiner Unterseite mit einer Mehrzahl zahnartiger Absätze versehen ist, die entsprechend der einzustellenden Stufenhöhe auf die hinter Kantenpartie der Trittplatte eines ersten Treppenbauelements abgestützt werden können.The invention relates to a staircase component which forms a bow-like bridge section in cross section, which forms a flat footplate at the top, delimited by right-angled edges, and has a front bridge pillar which is provided on its underside with a plurality of tooth-like shoulders which, according to the step height to be set, on the can be supported behind the edge of the tread plate of a first staircase component.

Vorwiegend bei unebenen Gartenanlagen und Terrassenbauten sind Treppen mit verschieden hohen Stufen erwünscht.For uneven gardens and patios, stairs with different heights are desirable.

Die CH-A-PS 369575 betrifft eine Treppe, bei der das erste Treppenbauelement oben eine ebene, durch rechtwinklige Kanten begrenzte Trittplatte und einen vorderen Brückenpfeiler aufweist, der an seiner Unterseite mit zahnartigen Absätzen versehen ist, die dazu bestimmt sind, mit zahnartigen Absätzen am hinteren Teil der Trittplatte eines zweiten Treppenbauelements ineinanderzugreifen, um die Stufenhöhe und Tritttiefe zu bestimmen.CH-A-PS 369575 relates to a staircase in which the first staircase component has a flat step plate, delimited by right-angled edges, and a front bridge pillar, which is provided on its underside with tooth-like shoulders which are intended to be tooth-like shoulders on interlocking the rear part of the step plate of a second staircase component in order to determine the step height and step depth.

In der CH-A-PS 475445 ist ein Satz von Treppenbauelementen veröffentlicht, bei welchem die Stufenhöhe einer Treppe durch Veränderung der Lage eines rechteckigen Stufenelements nach zwei verschiedenen Werten einstellbar ist. Zudem kann die Treppensteigung noch etwas variiert werden, indem man die Trittplatte mehr oder weniger über das Stufenelement hinausragen lässt.In CH-A-PS 475445 a set of stair building elements is published, in which the step height of a staircase can be adjusted according to two different values by changing the position of a rectangular step element. In addition, the slope of the stairs can be varied somewhat by letting the tread plate protrude more or less beyond the step element.

Die CH-A-PS 485931 beschreibt eine Treppe mit einstellbarer Steigung, bei welcher quer zur Treppenrichtung wenigstens ein verzahntes Betonformteil vorgesehen ist, und das Trittplattenelement direkt oder über ein Kernstück mit der Verzahnung des Betonformteils verschiebungsfest verbunden wird.The CH-A-PS 485931 describes a staircase with adjustable incline, in which at least one toothed concrete molding is provided transversely to the direction of the stairs, and the tread element is connected directly or via a core to the toothing of the concrete molding in a non-displaceable manner.

Dem erfindungsgemässen Treppenbauelement liegt die Aufgabe zugrunde, ein Einheitselement zu schaffen, das es ermöglicht, die Stufenhöhe einer Treppe in möglichst weiten Grenzen variieren zu können, z.B. stellenweise mittels Verzahnungen auf verschiedene Werte bis auf annähernd die doppelte Höhe einzustellen, und solche Einheitselemente auch derart zusammenzulegen, dass die Stufenhöhe gleich Null wird, d.h., dass die Trittplatten zusammen eine ebene Fläche bilden, die als Podest vorgesehen sein kann.The object of the staircase component according to the invention is to create a unit element which makes it possible to vary the step height of a staircase within the widest possible limits, e.g. in places by means of gearing to adjust to different values to almost double the height, and also to combine such unit elements in such a way that the step height becomes zero, i.e. that the tread plates together form a flat surface that can be provided as a platform.

Diese Aufgabe wird dadurch gelöst, dass ein hinterer Brückenpfeiler der Brückenpartie unten durch eine Schrägpartie mit einer Rinnenpartie verbunden ist, welche einen hochgestellten Aussenrand aufweist, und dass der hintere Brückenpfeiler samt der Schrägpartie unten eine Mehrzahl Absätze aufweist, so dass der vordere Brükkenpfeiler eines zweiten Treppenbauelements mit einem seiner Absätze auf die hintere Kantenpartie der Trittplatte des ersten Treppenbauelements und der hintere Brückenpfeiler des zweiten Treppenbauelements mit dem entsprechenden Absatz auf die äussere, obere Kante des Aussenrands der Rinnenpartie des ersten Treppenbauelements ruhen kann.This object is achieved in that a rear bridge pillar of the bridge section at the bottom is connected by a sloping section to a channel section which has a raised outer edge, and that the rear bridge pier including the sloping section below has a plurality of shoulders, so that the front bridge pier of a second stairway component can rest with one of its shoulders on the rear edge portion of the tread plate of the first stair component and the rear bridge pillar of the second stair component with the corresponding paragraph on the outer, upper edge of the outer edge of the channel portion of the first stair component.

In der Zeichnung ist ein Ausführungsbeispiel des Erfindungsgegenstands dargestellt. Es zeigen:

  • Fig. 1. eine von links aufsteigende Treppenpartie, in perspektivischer Darstellung, und
  • Fig. 2 drei zu einem Podest zusammengelegte Treppenbauelemente.
In the drawing, an embodiment of the subject of the invention is shown. Show it:
  • Fig. 1. a staircase ascending from the left, in perspective, and
  • Fig. 2 three staircase elements folded into a pedestal.

Das Treppenbauelement 1a als Einheitselement weist im Querschnitt eine bügelartige Brükkenpartie 2 und eine anschiessende Rinnenpartie 3 auf. Oben ist die Brückenpartie 2 als Trittplatte 4 ausgebildet, deren Kantenwinkel 90° beträgt. Ein vorderer Brückenpfeiler 5 der Brückenpartie 2 weist an seiner Unterseite zahnartige Absätze 6 auf, die durch vertikale und horizontale Ebenen begrenzt sind. Ein hinterer Brückenpfeiler 7 der Brückenpartie 2 ist unten durch eine Schrägpartie 8 mit der Rinnenpartie 3 verbunden. Diese ist durch einen hochgestellten Aussenrand 9 begrenzt.The staircase component 1 a as a unit element has a bow-like bridge section 2 and a subsequent channel section 3 in cross section. Above the bridge section 2 is designed as a tread plate 4, the edge angle of which is 90 °. A front bridge pillar 5 of the bridge section 2 has tooth-like shoulders 6 on its underside, which are delimited by vertical and horizontal planes. A rear bridge pier 7 of the bridge section 2 is connected at the bottom by an inclined section 8 to the channel section 3. This is limited by a raised outer edge 9.

Bei der von links aufsteigenden Treppenpartie nach Fig. 1 ist zur Bildung einer mittleren Stufenhöhe ein zweites Treppenbauelement 1 b auf zwei nebeneinanderliegende, erste Treppenbauelemente 1 gelegt. Der vordere Brückenpfeiler 5 des zweiten Treppenbauelements 1 sitzt mit einem seiner Absätze 6 auf der hinteren Kantenpartie 10 der Trittplatten 4 der zwei ersten Treppenbauelemente 1a auf. In entsprechender Weise kommt der gleiche Absatz 6 des hinteren Brükkenpfeilers 7 auf den Bereich der äusseren, oberen Kante 11 des Aussenrandes 9 der ersten Bauelemente 1 a zu liegen.1, a second stair component 1 b is placed on two adjacent first stair components 1 to form an average step height. The front bridge pillar 5 of the second staircase component 1 is seated with one of its shoulders 6 on the rear edge portion 10 of the tread plates 4 of the two first staircase components 1a. Correspondingly, the same shoulder 6 of the rear bridge pillar 7 comes to rest on the area of the outer, upper edge 11 of the outer edge 9 of the first components 1 a.

Die Absätze 6 sind so gerichtet, dass das zweite, obere Treppenbauelement 1 b nicht in absteigender Richtung der Treppe verschoben werden kann. Zudem ist eine seitliche Aussparung 12 an der Rinnenpartie 3 vorgesehen, die zur Korrektur der Lage des Treppenbauelements dient.The paragraphs 6 are directed so that the second, upper staircase component 1 b cannot be moved in the descending direction of the stairs. In addition, a lateral recess 12 is provided on the channel section 3, which serves to correct the position of the staircase component.

Die Absätze 6 der Brückenpfeiler 5, 7 ermöglichen eine wahlweise Einstellung der Stufenhöhe bis annähernd zu dessen doppeltem Wert.The paragraphs 6 of the bridge pillars 5, 7 allow an optional adjustment of the step height up to approximately twice its value.

Wie in Fig. 1 dargestellt, kann die Treppe durch das Nebeneinanderlegen mehrerer Treppenbauelemente beliebig breit gemacht werden. Dabei werden die Trennfugen 13 vorteilhaft durch Versetzung der daraufgelegten Treppenbauelemente teilweise überdeckt. Es genügen daher Einheitselemente mit nur einfacher und doppelter Stufenlänge, was eine wirtschaftliche Herstellung ermöglicht.As shown in Fig. 1, the staircase can be made as wide as desired by the juxtaposition of several staircase elements. The parting lines 13 are advantageously partially covered by displacing the staircase elements placed thereon. Unit elements with only single and double step lengths are therefore sufficient, which enables economical production.

Die untersten, ersten Treppenbauelemente werden einbetoniert. Vorzugsweise werden die nachfolgenden frei eingesetzt.The bottom, first stair construction elements are concreted in. The following are preferably used freely.

Der hintere Brückenpfeiler 7 weist in seiner Höhenmitte einen vorstehenden Absatz 14 auf, der mindestens doppelt so gross ist wie die untern Absätze 6. Die vordere, untere Nasenpartie 15 des vorderen Brückenpfeilers 5 des zweiten Treppenbauelements 1 kann demnach auf den Absatz 14 und die Unterseite der Trittplatte 4 auf den Aussenrand 9 der Rinnenpartie 3 des ersten Treppenbauelements 1a gelegt werden, wobei die Deckflächen der Trittplatten 4 der Treppenbauelemente 1a, 1 b in dieselbe Ebene zu liegen kommen und ein Podest (Fig. 2) bilden.The rear bridge pillar 7 has a protruding shoulder 14 in its middle, which is at least twice as large as the lower paragraphs 6. The front, lower nose section 15 of the front bridge pillar 5 of the second step Penbauelements 1 can accordingly be placed on the shoulder 14 and the underside of the step plate 4 on the outer edge 9 of the channel section 3 of the first stairway element 1a, the cover surfaces of the step plates 4 of the stairway elements 1a, 1b coming to lie in the same plane and a platform ( Fig. 2) form.

Das Treppenbauelement ermöglicht die Herstellung einer Treppe mit seitlichen Rampen für Kinderwagen, Einkaufswagen, usw. Dieses Element kann seitlich zwischen den beiden Brückenpfeilern 5 und 7 abgeschlossen sein.The stair construction element enables the production of a staircase with side ramps for prams, shopping carts, etc. This element can be closed off to the side between the two bridge pillars 5 and 7.

Die Treppe kann mit verschiedenen Stufenhöhen vorgesehen sein, wobei die Stufenhöhe oben am kleinsten gewählt wird. Auch kann die Treppe, vorteilhaft bei Terrassenhäusern, unten breit und zuoberst schmaler sein. Sie kann somit individuell gestaltet werden. Je nach Beschaffenheit des Bodens können Korrekturen vorgenommen werden. An gewünschten Stellen der Treppe können Podeste errichtet werden.The stairway can be provided with different step heights, the smallest step height being chosen at the top. The staircase, which is advantageous for terrace houses, can also be wide at the bottom and narrower at the top. It can therefore be designed individually. Depending on the nature of the floor, corrections can be made. Platforms can be erected at the desired points on the stairs.

Claims (3)

1. Element for the construction of a stair case, which is formed, in cross section, by a bridge-like portion (2) which forms on top a level tread (4) bordered by rectangular arrises and a front bridge pillar (5) which has on its underside a plurality of serrated steps (6) provided to rest, corresponding to the height of the step, on the rear part of the arris of the tread (4) of a first constructional element (1a), characterized in that a rear bridge pillar (7) of the bridge-like portion (2) is connected below by a sloping portion (8) with a channel portion (3) which has a raised outer edge (9), and in that the rear bridge pillar (7) with the sloping portion (8) has on its underside a plurality of serrated steps (6), so that the front bridge pillar (5) of a second constructional element (1b) can rest with one of its steps (6) on the rear arris sec-, tion (10) of the tread (4) of the first constructional element (1a) and the rear bridge pillar (7) of the second constructional element (1 b) with the corresponding step (6) on the outer upper arris (11) of the outer edge (9) of the channel portion (3) of the first construction element (1 a).
2. Element for the construction of a stair case according to claim 1, characterized in that the rear bridge pillar (7) has in its centre of height a protruding step (14) which is at least twice as large as the bottom steps (6), so that the frontal bottom edge portion (15) of the front bridge pillar (5) of the second constructional element (1 b) can rest on the step (14) and the underside of the tread (4) can rest on the outer edge (9) of the channel portion (3) of the first constructional element (1 a), whereby the top surface of the tread (4) of both constructional elements (1 a, 1 b) is getting to lie in the same plane.
3. Element for the construction of a stair case according to claim 2, characterized in that it has a lateral cutout (12) at the channel portion (3).
EP80902046A 1979-11-28 1980-11-10 Element for the construction of a stair case Expired EP0040606B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80902046T ATE3731T1 (en) 1979-11-28 1980-11-10 STAIR CONSTRUCTION ELEMENT.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH10555/79 1979-11-28
CH1055579A CH642707A5 (en) 1979-11-28 1979-11-28 STAIR CONSTRUCTION ELEMENT.

Publications (2)

Publication Number Publication Date
EP0040606A1 EP0040606A1 (en) 1981-12-02
EP0040606B1 true EP0040606B1 (en) 1983-06-08

Family

ID=4364458

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80902046A Expired EP0040606B1 (en) 1979-11-28 1980-11-10 Element for the construction of a stair case

Country Status (9)

Country Link
US (1) US4516368A (en)
EP (1) EP0040606B1 (en)
JP (1) JPS6043508B2 (en)
BR (1) BR8008936A (en)
CA (1) CA1156021A (en)
CH (1) CH642707A5 (en)
DE (1) DE3063700D1 (en)
NO (1) NO150928C (en)
WO (1) WO1981001584A1 (en)

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Publication number Priority date Publication date Assignee Title
JPH0348014Y2 (en) * 1986-07-16 1991-10-14
JPH02166034A (en) * 1988-12-21 1990-06-26 Kirin Brewery Co Ltd Apparatus for cutting to open and removing packing material
FI86002C (en) * 1988-04-12 1992-06-25 Trioplan Oy ELEMENTSYSTEM FOER BYGGANDE TERRAENGTRAPPOR, AVSATSER, TERRASSER OCH LIKNANDE.
GB2257168A (en) * 1991-06-10 1993-01-06 Kevin Brown Paving bricks for constructing steps
US5787656A (en) * 1997-01-17 1998-08-04 Rpg Diffusor Systems, Inc. Acoustical seating risers for indoor arenas
DE59911139D1 (en) * 1999-01-08 2004-12-30 Kombilith Gmbh Entwicklung & Verwertung Stair element
DE20016658U1 (en) * 2000-09-25 2002-02-14 Karl Weber Betonwerk Gmbh & Co Step stone for a staircase and stairs made from it
US6922955B2 (en) * 2002-11-22 2005-08-02 Mark Sanders Pre-cast dock leveler pit
KR101318093B1 (en) 2006-06-30 2013-10-14 도레이 카부시키가이샤 Epoxy resin composition, prepreg, and fiber-reinforced composite material
US20080190049A1 (en) * 2007-02-08 2008-08-14 David Muti Portable construction staircase
US9169650B1 (en) * 2014-12-02 2015-10-27 William Gardner Stair tread
CN110206242A (en) * 2019-05-06 2019-09-06 广东博意建筑设计院有限公司 A kind of precast stair

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190013626A (en) * 1900-07-30 1900-12-31 Richard Feig Improvements in Staircase-steps or the like.
DE809483C (en) * 1950-03-03 1951-07-30 Hermann Fiene Hollow staircase made of precast concrete parts for variable inclines
DE962830C (en) * 1950-04-20 1957-04-25 Wilhelm Ludowici Dr Ing Staircase made of angular steps
US2703005A (en) * 1951-01-09 1955-03-01 Walther H M Dobermann Prefabricated stairway
CH369575A (en) * 1958-08-21 1963-05-31 Novi Enrico Step in pre-formed elements to be used in particular for cantilevered installation
CH402360A (en) * 1963-05-09 1965-11-15 Wagner Jun Rene Staircase made from individual, prefabricated, concreted step plates, in particular for horticulture
US3343316A (en) * 1964-10-14 1967-09-26 Frank C Mcintire Prefabricated step for stepway construction
CH475445A (en) * 1967-07-06 1969-07-15 Richard Walter Set of stair components
DE1955443A1 (en) * 1969-09-29 1971-05-06 Flohr Friedrich Wilhelm Herman Flohr patent stairs

Also Published As

Publication number Publication date
WO1981001584A1 (en) 1981-06-11
CH642707A5 (en) 1984-04-30
JPS6043508B2 (en) 1985-09-28
NO812520L (en) 1981-07-22
NO150928B (en) 1984-10-01
NO150928C (en) 1985-01-16
US4516368A (en) 1985-05-14
CA1156021A (en) 1983-11-01
EP0040606A1 (en) 1981-12-02
JPS56501615A (en) 1981-11-05
DE3063700D1 (en) 1983-07-14
BR8008936A (en) 1981-10-20

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

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