EP0053371B1 - Marche d'escalier et procédé pour sa réalisation - Google Patents

Marche d'escalier et procédé pour sa réalisation Download PDF

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Publication number
EP0053371B1
EP0053371B1 EP81109950A EP81109950A EP0053371B1 EP 0053371 B1 EP0053371 B1 EP 0053371B1 EP 81109950 A EP81109950 A EP 81109950A EP 81109950 A EP81109950 A EP 81109950A EP 0053371 B1 EP0053371 B1 EP 0053371B1
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EP
European Patent Office
Prior art keywords
shuttering
mitre
stair step
synthetic resin
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.)
Expired
Application number
EP81109950A
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German (de)
English (en)
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EP0053371A2 (fr
EP0053371A3 (en
Inventor
Alfred Jagemann
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Individual
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Individual
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Publication date
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Priority to AT81109950T priority Critical patent/ATE12805T1/de
Publication of EP0053371A2 publication Critical patent/EP0053371A2/fr
Publication of EP0053371A3 publication Critical patent/EP0053371A3/de
Application granted granted Critical
Publication of EP0053371B1 publication Critical patent/EP0053371B1/fr
Expired legal-status Critical Current

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    • 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
    • E04F11/16—Surfaces thereof; Protecting means for edges or corners thereof

Definitions

  • the invention relates to a stair step consisting of a lost wooden formwork that forms at least several adjacent sides of the step surface, made of veneer-provided, miter-cut and glued formwork panels, in particular chipboard, in the interior of which a reinforcement is arranged, and one in the room between the reinforcement and the wooden formwork, poured hardened filler made of cement-bound concrete, whereby a separating layer made of synthetic resin is provided between the surface of the wooden formwork and the concrete, which on its side facing the concrete acts as a bonding bridge between the concrete and the wooden formwork, sanding, splitting or od.
  • a lost wooden formwork that forms at least several adjacent sides of the step surface, made of veneer-provided, miter-cut and glued formwork panels, in particular chipboard, in the interior of which a reinforcement is arranged, and one in the room between the reinforcement and the wooden formwork, poured hardened filler made of cement-bound concrete, whereby a separating layer made of synthetic resin is provided between the surface of the wooden form
  • the invention relates to a method for producing such a stair step from a lost wooden formwork, which forms at least several adjacent sides of the step surface, from veneer-provided, miter-cut formwork panels, in particular chipboard, which are on the outside of the veneer with a slight mutual spacing in the area the miter joints are connected by adhesive tape, the miter gap is filled from the inside with synthetic resin and the surface of the wooden formwork that delimits the interior is provided with a separating layer made of synthetic resin, whereupon a connecting layer of sanding, splitting or the like is applied to the separating layer and into the interior with cement-bound concrete is poured.
  • a step of the type described in the opening paragraph is known from DE-PS 2 845 699.
  • the wooden formwork is also glued in the area of the miter joints with the synthetic resin, which forms a connection and separation layer on the surface of the wooden formwork that delimits the interior.
  • Polyester, acrylic, epoxy or the like can be used as the synthetic resin.
  • the connection to the cement-bound concrete is established by sanding, splitting or the like, the individual grains of sand, pebbles or the like being anchored on one side in the synthetic resin layer and on the other hand binding to the cement-bound concrete free of synthetic resin.
  • the miter or the miter joints on the individual formwork panels which are also already provided with a veneer, is cut as a smooth, continuous cut at an angle greater than 45 °, preferably 45.5 °.
  • the surface that is visible from the outside, i.e. the veneer in the area of the miter joints it is necessary to manufacture the individual formwork panels of the lost wooden formwork with great accuracy, to erect them carefully and in a precise relative position and to glue them in the area of the miter joints .
  • the invention has for its object to develop a stair step of the type described above or to design the method described so that the disadvantages described in the area of miter joints no longer occur or are considerably mitigated in terms of their undesirable effect.
  • this is because of a stair step of the type described at the beginning by achieving that, at least in the area of an upper longitudinal edge of the stair step, the miter is cut off at least on one side so that at least the veneer protrudes from the cutting plane of the formwork panel and between the two adjoining veneers a narrow one and between the two adjoining formwork panels a further, miter gap filled with adhesive.
  • the invention is thus particularly applied in the area of an upper longitudinal edge of the stair step, namely the step edge which is readily visible in the built-in staircase with a normal plan view, that is to say which is the most eye-catching and which is also exposed to the most stress when walking up the staircase .
  • the invention can be used not only in the area of one longitudinal edge, but also several or all of the longitudinal edges. This applies in particular to the four upper longitudinal edges of a step in the installed state.
  • This gap which is designed to be non-uniform, is formed particularly well when the miter is cut off on both sides.
  • a relatively broad phase can also be worked on in the area of the veneers, in which case only a relatively narrow gap filled with synthetic resin becomes visible, for example in the middle of the phase.
  • the resin in the area of the miter gaps can also be colored or provided with color pigments that are adapted to the outside of the surface according to the color of the veneer, a perfect appearance can be achieved in this way, so that the narrow miter gap filled with resin is no longer visible from a distance of about 1 m from a staircase, i.e. at normal distance.
  • a secure connection is achieved between them via the synthetic resin, since a relatively wide miter gap is available here, which can be easily filled with the synthetic resin, even when the formwork panels have already been erected have been fixed.
  • the free edge of the protruding veneer in the area of the narrow miter gap can be rounded, so that in this way, in particular when rounding the protruding veneer edges on both sides, it is possible to create surfaces or rolling surfaces that act as if they were articulated and that have an exactly angular position of the formwork panels in the erected state guarantee or enable.
  • the miter should be cut off on one side, but preferably on both sides, so that the veneer or small parts of the adjacent formwork panel protrude from the other parts of the formwork panel. It is also possible for the miter to be cut at an angle greater than 45 °, preferably 46.5 °, in the area of the formwork panels, that is to say not in the area of the veneers. As a result, the wide miter gap in the area of the formwork panels is angled inwards, which is only conducive to the introduction of the synthetic resin.
  • the synthetic resin which creates the connection in the area of the miter gaps, can also be pulled over the entire inner surface of the wooden formwork, which faces the cement-bound concrete, in order to first of all provide a separating layer against the ingress of water from the cement-bound concrete into the wooden formwork to prevent and on the other hand to carry the sanding, chaffing or the like and thus to realize the adhesive bridges between the concrete and the wooden formwork.
  • the formwork panels can also have a double separating layer made of synthetic resin on their surface delimiting the interior, which can also extend beyond the bonded miter joints, the sanding, splitting or the like also being provided for the second separating layer facing the concrete.
  • the application of two separating layers or a double separating layer made of synthetic resin or also of different synthetic resins has the advantage that the first separating layer can be applied as a sealing separating layer and at least partially cured before a second separating layer is applied and the sanding is preferably inflated.
  • the grains of sand provided with kinetic energy are then able to partially penetrate into the second separating layer, but they cannot penetrate the first separating layer and thus cannot injure them, so that the first separating layer certainly performs its final function against the ingress of water from the cement-bound concrete in the wooden formwork.
  • the miter which is offset at least on one side, can be provided on three adjoining or on all four edges of the surface forming the tread surface of the step in the installed state.
  • This design can be expediently used in combination with a different type of miter in the region of the edges which face away from the tread surface, that is to say around the underside of the step.
  • the formwork panels forming the side walls can have a mitred step on their edges facing away from the tread of the stair step such that a projection, in particular an undercut, protrudes in the area of the formwork panel.
  • a projection which in particular forms an undercut, is arranged in the area of the formwork panel, not in the area of the veneers.
  • the step does not have a formwork panel on its underside, but here the smoothed concrete forms the surface .
  • the projection which in particular forms an undercut, also makes sense if a formwork panel is also used as a cover on the underside of the step.
  • the projection is then arranged such that it forms a support for the use of a cover forming the underside of the step in the installed state. This prevents the side walls from spreading apart when a cover is put on. By placing the cover on the protrusion, the action of side forces on the side walls as a result of putting the cover on is avoided.
  • a reinforcing insert made of glass fibers can be provided in the region of the double separating layer made of synthetic resin.
  • the reinforcement insert can also consist of other material, of textile-shaped mats or of staple fibers made of glass, which are already present in the plastic.
  • the particular advantage in connection with such training is the fact that large tensile and bending stresses can be absorbed according to the stress. This makes it possible to use lightweight concrete instead of heavy concrete, especially if the steel reinforcement is retained. Such a step reduces the weight considerably, which in particular leads to easier assembly, since the steps, which are difficult per se, can be handled better and more easily here.
  • the method for producing a stair step with the method steps mentioned at the outset is characterized in that, at least in the region of the upper longitudinal edge of the stair step, the miter is cut at least on one side in such a way that at least the veneer protrudes from the cutting plane of the formwork panel in such a way that the erected state the formwork panels are fixed and the miter gap is filled from the inside with synthetic resin, and that after the at least partial hardening of the separating layer made of synthetic resin, a second separating layer made of synthetic resin is applied, to which the sanding, splitting or the like is applied before hardening.
  • the way in which the synthetic resin can be introduced in the erected state of the formwork panels, that is to say at an angle to one another, makes it possible to meter the synthetic resin more precisely and to work reliably without large excess material.
  • the comparatively narrow miter gap in the area of the veneers simultaneously ensures that only a relatively small amount can pass through to the outside during the introduction of the synthetic resin.
  • this is not annoying because it is partially eliminated when the phase is being worked on and, on the other hand, this ensures that the miter joint is also filled with synthetic resin in the area of the narrow miter gap and that no air bubbles are trapped.
  • the double arrangement of the separating layer also allows a comparatively economical use of the synthetic resin and nevertheless optimal protection.
  • the first separation layer that is to say the separation layer applied first, is at least partially cured before the second separation layer is applied.
  • the second separating layer can be applied just as sparingly, whereby the sanding, splitting or the like can advantageously be applied by inflation.
  • the individual grains of sand penetrate into the second separation layer and anchor themselves on this contact side within the separation layer.
  • they are free from synthetic resin and can therefore bind the cement to the cement-bound concrete when it is later filled into the lost wooden formwork.
  • the first separating layer is expediently only applied when the synthetic resin has set in the area of the miter joints, so that the erected lost wooden formwork is already fixed as a spatial body.
  • the erected state of the formwork panels is expediently fixed with sections of the adhesive tape arranged at a distance, that is to say not with an adhesive tape which runs over the entire longitudinal edge or the longitudinal edges.
  • the narrow miter gap in the area of the veneers is designed to be largely open to the outside, so that there is no inclusion of air bubbles when the synthetic resin is pressed into the miter gap from the inside. This ensures that the miter gap is filled in the area of the narrow gap without the inclusion of air bubbles.
  • a fiber, rounding or the like penetrating the two veneers and the synthetic resin can be attached from the outside. Since the two veneers are located at a very short distance from each other, the visible gap of the synthetic resin becomes particularly narrow at this point and therefore inconspicuous.
  • the stair step shown in FIG. 1 has a formwork panel 1 which forms the tread surface, that is to say is arranged facing upwards. Adjacent to the formwork panel 1 are four formwork panels 2, 3, 4, 5 forming the side walls. Between the two formwork panels 1 and 2, the upper longitudinal edge 6 of the step is formed, which is exposed to stress when walking in a special way. On its other long side, the formwork panel 2 sits at the bottom on the longitudinal edge 7. The stair step shown therefore has no formwork panel on its underside parallel to the formwork panel 1. All around, the formwork panel 1 or the tread of the step has the edges 6, 8, 9, 10.
  • the formwork panels 1 and 2 consist, for example, of chipboard corresponding to the section and are covered with veneers 11 and 12 on the outside. Since the upper longitudinal edge 6 forms a right angle, the miter is aligned in a special way with the 45 ° line 13. 2, the formwork panels 1 and 2 are formed on both sides symmetrically to the 45 ° line 13 or the corresponding plane. The formwork panels 1 and 2 are cut at an angle of 45 °, so that the cutting planes 14 and 15 are formed, which form a wide miter gap 16 between them. The cut on each formwork panel, which was understandably previously connected to the veneer, is now offset so that the veneers each protrude from the cutting plane.
  • the veneer 12 on the formwork panel 2 protrudes from the cutting plane 14 by the dimension 17, which can be of the order of 1 to 2 mm.
  • the veneers 11 and 12 cannot be placed directly on top of one another everywhere along the upper longitudinal edge 6 of the stair step, but they are at least partially in a narrow miter gap 18 corresponding to twice the dimension 19 from one another to be reserved.
  • the sectional plane 14 is thus removed from the 45 ° line 13 by the dimension 20.
  • the formwork panel 1 or its veneer 11 if, as shown in FIG. 2, the miter is cut off on both sides.
  • the two formwork panels 1 and 2 together form the wide miter gap 16, which merges into the narrow miter gap 18 in the area of the veneers 11 and 12.
  • This entire miter gap or space 21 is filled with synthetic resin as an adhesive, which brings about the connection between the two formwork panels 1 and 2 and the two veneers 11 and 12.
  • the synthetic resin When introducing this resin in the right angularly erected state between the formwork panels 1 and 2 from the inside, the synthetic resin also exits to a limited extent from the narrow miter gap 18 to the outside. According to the indicated line 22, a phase as shown in FIG. 4 can be worked on after the hardening of the synthetic resin, so that only the narrow miter gap 18 remains visible.
  • the veneers 11 and 12 are rounded on the inside in the projecting area, that is, where they reach the synthetic resin.
  • a first separating layer 23 made of synthetic resin for example made of polyester, acrylic, epoxy resin or the like, is applied to the inner surface of the formwork panels 1, 2, etc.
  • This first release layer 23 is at least partially caused to cure so that it closes off the inner surface of the lost wood shuttering with safety and g against the ingress of water during the subsequent filling of the cement-bound concrete into the lost Holzschalun effective protection.
  • the second separating layer 24 made of synthetic resin is applied, which, like the first separating layer, extends over the entire inner surface.
  • sanding or splintering or the like is inflated onto this second separating layer 24, in such a way that the individual grains of sand can firmly anchor themselves on the one hand in the separating layer 24, but on the other hand out of this separating layer in the direction of the later protrude concrete.
  • the lost wooden formwork is poured out with cement-bound concrete 27 as a filling compound. In this way, a stair step is created which has a concrete core with corresponding reinforcement 26 in its interior and has the appearance of a wooden step with its decorative beauty.
  • the two formwork panels 1 and 2 and the associated veneers 11 and 12 are again cut on both sides in a stepped manner, symmetrically to the 45 ° line 13.
  • the design is such that the cutting planes 14 and 15 in are placed at an angle to each other, so not parallel, so that the miter gap 21 widens inwards and thus favors the introduction of the synthetic resin from the inside.
  • the cutting contour is offset in the manner shown, i.e. still in the area of the formwork panels 1 and 2, the cutting line bends inward relative to the cutting planes 14 and 15, i.e.
  • the cutting line is angled back to the veneers 11 and 12, so that here the veneers 11 and 12 are cut off parallel to one another and straight and thus form a very narrow miter gap 18 at this point.
  • the wide miter gap 16 changes its dimension along the 45 'line 13. But also with this design it is caused that the veneers 11 and 12 can be brought very close together to form a narrow miter gap 18 in the erected position and by the synthetic resin in Miter gap 21 are connected.
  • the two separating layers 23 and 24 according to FIG. 2 can be made thin or approximately the same thickness, it is also possible, according to FIG. 3, to keep the first separating layer 23 even thinner than the second separating layer 24, which is comparatively thicker is trained.
  • FIG. 4 shows an embodiment in which the cutting planes 14 and 15 run parallel to one another and at a distance from the 45 ° line 13. Within the formwork panels 1 and 2, the cutting line then folds inwards, in order then to run parallel again in the area of the narrow miter gap 18. This narrow miter gap 18 also continues in the area of the veneers 11 and 12. The phase 28 that has already been worked on can already be seen here. It can be clearly seen how comparatively large distances of the veneer 11 or 12 and only a narrow gap of the synthetic resin from the miter gap 21 can be seen on the outside through this oblique cut.
  • Fig. 5 shows a miter set off on one side.
  • the formwork panel 1 and the veneer 11 are cut according to the 45 ° line 13.
  • the sectional plane 14 of the formwork panel 2 is provided here at an angle with respect to the 45 ° line 13, but also in such a way that the veneer 12 also protrudes here.
  • the narrow gap 18 and a correspondingly wide gap 16, which changes its size along the 45 ′ line, are formed.
  • FIG. 6 and 7 show designs in the region of the lower longitudinal edge 7.
  • a step is shown which has no formwork panel at the bottom.
  • the formwork panel 2 - like the other formwork panels 3, 4 and 5 - have a miter so graduated that cut obliquely than the 45 ° line 13, a projection 29 is formed, which advantageously forms an undercut.
  • the first separating layer 23 as well as the second separating layer 24 extend over the miter to the lower longitudinal edge 7, so that the wood is effectively protected here.
  • the step also has a formwork panel 31 with veneer 32 to be used as a lid.
  • the projection 29 is designed and arranged here so that it corresponds Chend the total wall thickness of the formwork panel 31 and the veneer 32 is formed and arranged, so that the formwork panel 31 can be supported on the projection 29.
  • the miter gap 33 formed here is also filled with synthetic resin, which may possibly still enter the interior somewhat inwardly, where the individual parts are already provided with the two separating layers 23 and 24 and the sanding 25.
  • the wall-side formwork panel 5 may be missing or may only be used after the cement-bound concrete has been installed.
  • FIGS. 8-10 show various process steps in the manufacture of a straight step.
  • the four formwork panels 1, 2, 3, 4 are cut to size and miter, as has been explained with reference to FIGS. 2-7.
  • the formwork panels are then fixed together with individual sections 34 of adhesive tape in the manner shown, the adhesive tape being glued onto the outside of the veneers.
  • the formwork panels 2, 3 and 4 are raised at right angles so that they have the shape shown in FIG. 9.
  • the synthetic resin is first introduced into the miter gap 21. After the setting, the two separating layers 23 and 24 are applied and the sanding 25. Then the reinforcement 26 is inserted.
  • the formwork panel 31 serving as a cover is likewise provided with the two separating layers 23 and 24 and the sanding 25, this formwork panel 31 being mitred, as shown in FIG. 7.
  • synthetic resin is applied to the still open miter surfaces of the formwork panels 2, 3 and 4 and the formwork panel 31 is inserted.
  • the lost formwork can be erected as shown in FIG. 10, so that the cement-bound concrete is poured in according to arrow 35.
  • a formwork panel 5 can be put on. If such a formwork panel is missing, the concrete is smeared off flush.
  • stair treads can also be produced without using the formwork panel 31.
  • a corresponding formwork panel 5 is used.
  • the concrete is then poured in following analogous process steps and in accordance with arrow 36 in FIG. 11.
  • the concrete is then smoothed off at the top, so that the formation according to FIG. 6 results at this point.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Steps, Ramps, And Handrails (AREA)
  • Stringed Musical Instruments (AREA)

Claims (13)

1. Marche d'escalier constituée par un coffrage perdu en bois, formant au moins plusieurs côtés, attenants entre eux, de la surface de la marche, ce coffrage étant constitué de plaques de coffrage (1, 2) et spécialement de panneaux de particules de bois, ces plaques étant munies extérieurement de placages (11, 12), coupées à onglets et collées à cet endroits, une armature étant placée à l'intérieur de cellesci, ainsi que d'une masse de remplissage en béton (27), liée avec du ciment, coulée dans l'espace compris entre l'armature (26) et le coffrage de bois, cependant qu'entre la surface du coffrage en bois limitant l'espace intérieur et le béton, il est prévu une couche séparatrice (23, 24) en résine synthétique, qui comporte, sur son côté tourné vers le béton, comme ponts d'adhérence entre le béton et le revêtement en bois, du sable, du gravillon ou analogue (25), caractérisée en ce qu'au moins dans la zone de l'arête longitudinale supérieure (6) de la marche, l'onglet est coupé, au moins d'un côté, avec un épaulement, de manière qu'au moins le placage (11, 12) fasse saillie sur le plan de coupe (15, 14) de la plaque de coffrage (1, 2) et qu'il y ait, entre les deux placages (11, 12) atténants entre eux, une fente d'onglet étroite remplie de colle et, entre les deux plaques de coffrage (1, 2) attenantes entre elles, une fente d'onglet (21) large (16), remplie de colle.
2. Marche d'escalier suivant la revendication 1, caractérisée en ce que l'arête libre du placage (11, 12) faisant saillie est arrondie dans la zone de la fente étroite (18) d'onglet.
3. Marche d'escalier suivant la revendication 1 ou 2, caractérisée en ce que l'onglet qui est dans la zone des plaques de coffrage (1, 2 et/ou 1, 3 et/ou 1, 4 et/ou 1, 5) est coupé suivant un angle supérieur à 45° et, de préférence, 46,5°.
4. Marche d'escalier suivant une ou plusieurs des revendications 1 à 3, caractérisée en ce que les plaques de coffrage (1, 2, 3, 4, 5, 31) présentent, sur leur surface délimitant l'espace intérieur, une double couche séparatrice (23, 24) en résine synthétique, qui s'étend aussi au-delà des joints d'onglet collés, cependant qu'il est prévu, sur la couche séparatrice latérale (24) tournée vers le béton (27), un garnissage de sable, de gravillon ou analogue (25).
5. Marche d'escalier suivant les revendications 1 à 3, caractérisée en ce que l'onglet, qui est épaulé au moins d'un côté, est prévu sur trois arêtes attenantes entre elles ou sur les quatre arêtes (6, 8, 9, 10) de la surface formant, à l'état monté, la surface de circulation de la marche d'escalier.
6. Marche d'escalier suivant la revendication 1, caractérisée en ce que les plaques de coffrage (2, 3, 4, 5) formant les parois latérales présentent, sur leurs arêtes (7) opposées à la surface de circulation de la marche, un onglet étagé de manière que, dans la zone de la plaque de coffrage, il y ait une saillie (29) formant en particulier un talon (30).
7. Marche d'escalier suivant la revendication 6, caractérisée en ce que la saillie (29) est placée de façon à former un support pour la mise en oeuvre d'un couvercle (31,32), formant, à l'état monté, le côté inférieur de la marche.
8. Marche d'escalier suivant une des revendications 1 à 7, caractérisée en ce qu'on prévoit, dans la zone de la double couche séparatrice (23, 24) en résine synthétique, un élément intercalaire de renfort en fibres de verre.
9. Procédé pour la fabrication d'une marche d'escalier, constituée par un coffrage perdu en bois, formant au moins plusieurs côtés, attenants entre eux, de la surface de la marche, ce revêtement étant constitué de plaques de coffrage (1, 2) et spécialement de panneaux de particules de bois, ces plaques étant munies extérieurement de placages (11, 12), coupées à onglet et liées sur l'extérieur du placage, par une bande adhésive, dans la zone des joints d'onglets, à une légère distance l'une de l'autre, la fente d'onglet étant remplie, de l'intérieur, avec de la résine synthétique et la surface du coffrage en bois délimitant l'espace intérieur étant munie d'une couche séparatrice (23, 24) en résine synthétique, une couche de liaison, faite d'un garnissage de sable, de gravillon ou analogue (25) étant ensuite appliquée sur la couche séparatrice, une armature (26) étant posée dans l'espace intérieur et du béton, lié avec du ciment étant finalement coulé dans l'espace intérieur, caractérisé en ce qu'au moins dans la zone de l'arête longitudinale supérieure (6) de la marche, l'onglet est coupé au moins d'un côté avec un épaulement de manière qu'au moins le placage (11, 12) fasse saillie par rapport au plan de coupe (15,14) de la plaque de coffrage, que l'état dressé des plaques de coffrage (1, 2, 3, 4, 5) est fixé et qu'alors la fente d'onglet (21) est remplie, de l'intérieur, avec de la résine synthétique et qu'après le durcissement, au moins partiel, de la couche séparatrice (23) en résine synthétique, on applique une deuxième couche séparatrice (24) en résine synthétique, qui reçoit, avant le durcissement, le garnissage de sable, de gravillon ou analogue(25).
10. Procédé suivant la revendication 9, caractérisé en ce que l'état dressé des plaques de coffrage (1, 2, 3, 4, 5) est fixé avec des tronçons (34) de la bande adhésive, qui sont espacés les uns des autres.
11. Procédé suivant les revendications 9 et 10, caractérisé en ce que cinq plaques de coffrage (1, 2, 3, 4, 5) sont fixées une fois dressées, collées entre elles, puis munies des couches séparatrices (23, 24) et enfin du garnissage de sable, de gravillon ou analogue (25), avant que l'armature (26) et le béton (27) lié avec du ciment soient mis en place.
12. Procédé suivant les revendications 9 et 10, caractérisé en ce que quatre plaques de coffrage (1, 2, 3, 4) sont fixées une fois dressées, collées ensemble et que celles-ci ainsi qu'une plaque de coffrage (31) servent de couvercle sont munies des couches séparatrices (23, 24) et enfin du garnissage de sable, de gravillons ou analogue (25); que l'armature (26) est mise en place dans l'espace intérieur formé par quatre plaques de coffrage (1,2,3,4) et que l'autre plaque de coffrage (31) est collée sur les bords, comme couvercle, avec l'unité formée par les quatre plaques de coffrage, avant le remplissage avec le béton (27) lié avec du ciment.
13. Procédé suivant les revendications 9 et 10, caractérisé en ce que, dans la zone des joints d'onglet, on pratique, de l'extérieur, un chanfrein, un arrondi ou analogue (28), qui traverse les deux placages (11, 12) et la résine synthétique.
EP81109950A 1980-11-28 1981-11-27 Marche d'escalier et procédé pour sa réalisation Expired EP0053371B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81109950T ATE12805T1 (de) 1980-11-28 1981-11-27 Treppenstufe und verfahren zu ihrer herstellung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3044796 1980-11-28
DE3044796A DE3044796C2 (de) 1980-11-28 1980-11-28 Trittplatte und Verfahren zu ihrer Herstellung

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EP0053371A2 EP0053371A2 (fr) 1982-06-09
EP0053371A3 EP0053371A3 (en) 1983-09-28
EP0053371B1 true EP0053371B1 (fr) 1985-04-17

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AT (1) ATE12805T1 (fr)
DE (1) DE3044796C2 (fr)

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CN105220842A (zh) * 2015-09-01 2016-01-06 南通协鑫热熔胶有限公司 一种楼梯护角爪型结构
US10611095B2 (en) 2017-05-02 2020-04-07 Wood & Wood, Inc. Vitrine and method for making a vitrine

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DE2845699C2 (de) * 1978-10-20 1980-11-27 Alfred 3401 Seulingen Jagemann Treppenstufe und Verfahren zu ihrer Herstellung

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EP0053371A2 (fr) 1982-06-09
EP0053371A3 (en) 1983-09-28
DE3044796C2 (de) 1983-02-03
ATE12805T1 (de) 1985-05-15
DE3044796A1 (de) 1982-06-03

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