EP0065089B1 - Corps de refoulement - Google Patents
Corps de refoulement Download PDFInfo
- Publication number
- EP0065089B1 EP0065089B1 EP82102178A EP82102178A EP0065089B1 EP 0065089 B1 EP0065089 B1 EP 0065089B1 EP 82102178 A EP82102178 A EP 82102178A EP 82102178 A EP82102178 A EP 82102178A EP 0065089 B1 EP0065089 B1 EP 0065089B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- grid structure
- displacement body
- sheet
- concrete
- portions
- 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
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
- E04C2/044—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of concrete
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/17—Floor structures partly formed in situ
- E04B5/18—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly cast between filling members
- E04B5/19—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly cast between filling members the filling members acting as self-supporting permanent forms
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/326—Floor structures wholly cast in situ with or without form units or reinforcements with hollow filling elements
Definitions
- the invention relates to a displacement body of the type explained in the preamble of claim 1 and to a component produced using this displacement body. It also relates to a method for producing a displacement body.
- a displacement body which consists of a metallic lattice and a flexible membrane.
- the membrane is made of waterproof paper. This waterproof paper covers the side of the latticework facing away from the concrete and is attached to the longitudinal bars with wire.
- the production of such a displacement body is quite labor-intensive, since the longitudinal rods must first be welded on individually, the arches, at least at the beginning of the welding work, having to be adequately fixed at a predetermined distance.
- the membrane is fastened using zigzag seams with wire, which in turn can only be applied one at a time.
- the membrane must be made of a relatively tear-resistant material, since it has to absorb the entire weight of the poured concrete and is only supported by the thin wire loops of the seams, whereby the puncture holes also create weak points.
- a hollow ceiling body which is designed as a circular cylinder to facilitate the concrete filling and to improve the concrete compaction.
- This hollow ceiling consists of a support made of circular wooden rods and wooden rods nailed over them. These can also be covered with waterproof paper or plastic film.
- This displacement body also has to be produced in costly and time-consuming manual work and is accordingly expensive.
- a displacement body which is composed of extruded profiles made of thermoplastic synthetic resin by means of intermediate pieces. Stiffening struts must be provided in the interior of the hollow profile in order to achieve the necessary stability. In addition, profiles are formed on the outer longitudinal edges of the outer sides, onto which the connecting piece must be pushed. Such displacement bodies are expensive to manufacture due to their complex shape. In the production of components by means of these displacement bodies, additional time must also be expended in order to connect the individual profiles to one another by means of the intermediate webs.
- Components made of concrete with recesses created by hollow profiles are e.g. known from DE-A No. 2536731.
- the displacers consist of spaced apart, approximately cubic, downward-open molded plastic parts.
- the invention has for its object to provide a displacement body of the type mentioned, which is inexpensive and easy to manufacture, hardly has its own weight and still meets the requirements with regard to stability.
- the displacement body according to the invention consisting of a deformed structural steel mat and a shrink-on shrink film made of plastic, can be produced inexpensively and quickly in a wide variety of forms.
- the structural steel mat is available everywhere in the desired stability and can be deformed relatively easily.
- the shrink film can be pulled taut over the latticework with simple means and attached tear-proof, without weak points.
- the displacement body according to the invention also has a low weight and sufficient stability and can be transported in a closely stacked manner to save space.
- the shrink film applied to the latticework on both sides can be connected to one another and / or to the lattice in a simple manner without having to be fixed beforehand, so that it encloses the lattice between them.
- good corrosion protection is also achieved in the interior of the hollow profile in the case of lattice materials that are susceptible to this.
- the film-free foot area according to claim 3 improves the anchoring of the displacement body with the concrete surrounding it and makes it possible to produce a closed concrete slab below the recess.
- Claim 4 describes a displacement body for the simultaneous production of several recesses, which can be used without the additional handles required in the prior art.
- the film-free intermediate pieces are embedded in the concrete and result in secure anchoring. At the same time, they serve as a spacer between the hollow profiles.
- Claim 5 describes a particularly advantageous embodiment for producing ribbed concrete parts.
- the largely closed displacement body according to claim 7 is particularly simple and inexpensive to manufacture.
- Claims 8 and 9 describe a further, advantageous embodiment of a displacement body.
- the end sections are closed by the cover without additional welding work being required.
- the component according to claims 10 to 12 with the displacement body made of a structural steel mat and a shrunk-on film can be produced inexpensively and quickly.
- the displacement body used is sufficiently stable and yet very light, so that it does not noticeably increase the weight of the finished component.
- the film-free foot region of the displacement body is connected to the reinforcement of the component, whereby the manufacturing effort of the entire component can be reduced further, whereby the anchoring is improved or a joint reinforcement is achieved by the upward-facing edge regions of the reinforcement mat according to claim 14.
- a displacement body made of a plurality of hollow profiles connected by means of intermediate pieces makes uncomplicated and quick manufacture possible, the intermediate pieces acting both as a spacer between the hollow profiles and as an anchor.
- the edge areas pointing upward at approximately right angles further improve the anchoring or can be used as joint reinforcements.
- edge regions of the reinforcement mat pointing upward at right angles are expediently bridged with a U-shaped bracket in the case of a ceiling produced from the components according to the invention.
- Claim 18 describes a particularly advantageous method for producing a displacement body.
- the film shrunk on both sides according to claim 19 ensures good protection against corrosion.
- Fig. 1 shows a displacement body in the form of a box-like hollow profile which is trapezoidal in longitudinal and cross section and which, e.g. is used to manufacture ribbed concrete ceilings.
- the displacement body consists of a wall made of latticework 1 with a flexible film 2 covering the outside facing the concrete.
- the latticework 1 consists of a deformed structural steel mat, the wire thickness and mesh size being variable depending on the requirements for stability.
- the flexible film2 is a common plastic shrink film.
- FIG. 2 shows a displacement body according to the invention in the form of a channel profile open at the bottom with side walls diverging downwards, in which a foot region 3 is not covered by the film 2.
- This film-free foot region 3 expediently extends along all boundary edges of the open side of the hollow profile.
- the film-free area 3 is completely enclosed by the displacement body when it is embedded in concrete and results in good anchoring.
- the wall on these narrow sides 4 only suffices from foil 2 without the reinforcing latticework 1.
- Such a displacement body can be seen in FIG. 3.
- the latticework 1 can be produced from a structural steel mat without further welding or other connection work on the boundary edges of the narrow sides 4 only by, for example, pressing or bending.
- the displacement body in the form of a channel or channel profile which is open at the bottom and is used, for example, for producing ribbed concrete ceilings.
- the displacement body in turn consists of a wall made of latticework 1 and shrink film 2.
- the latticework 1 is a deformed structural steel mat.
- the film 2 covers with a layer 2a the side of the latticework 1 that will later face the concrete, and with a layer 2b the side later facing away from the concrete.
- the films 2a and 2b are at least on the lower longitudinal edges of the channel or channel profile Welding points 5 connected to each other.
- the two foils 2a and 2b can also be welded to one another at the front edges of the displacement body.
- FIG. 4a shows the course of the two flexible foils 2a and 2b drawn in bold in section on the finished displacement body. Further connection points in the form of point or area-shaped welds 6 are provided within the grid openings.
- a displacement body can be seen, as z. B. is used to manufacture ribbed concrete elements.
- the displacement body consists of a series of parallel, downwardly open channel profiles made of latticework 1, which is covered with a film 2 such that a foot area 3 remains free on the lower long sides of the hollow profiles.
- the foot areas 3 of two channel profiles lying next to one another are connected to one another by webs 7.
- the longitudinal edge region 8 of the latticework 1 is bent upward at approximately a right angle. Reinforcing struts 9 can be attached across the lower, open side of the hollow profiles.
- the latticework 1 is formed by a deformed structural steel mat.
- the rectilinear intermediate webs drawn in the figures can also be designed as an arch, hump or provided with beads to improve stability.
- a trough-shaped displacer can be seen which is open at both of its end portions, i.e. is not covered by latticework 1 and foil 2 or 2a, b. This end section was closed by a cover 11 made of plastic.
- the cover 11 is provided with a groove 12 along its edge corresponding to the profile.
- This groove 12 is assigned to the end edge 13 of the displacement body.
- the width and the shape of the groove 12 are dimensioned such that the end edge 13 is firmly held after insertion.
- the cover 11 is here provided with opposing latching tongues 14 which engage in contact with the inner surfaces of the closed wall sections.
- FIG. 11 shows a section through a rib component made of concrete 15 with a displacement body according to the invention enclosed therein in the form of a hollow profile 16, analogously to FIG. 1.
- the displacement body is composed again of a shaped lattice work 1 and a film 2 spanning this.
- the latticework 1 consists of a structural steel mat in the form of a box-shaped or quiver-shaped hollow profile.
- the film 24 is shrunk on.
- FIG. 12 shows a plate-shaped component made of concrete 15, which is provided with several tunnel-like recesses in order to save weight. These recesses are produced by a displacement body according to FIGS. 5 and 6.
- the hollow profiles 16 are connected to one another by intermediate pieces 7.
- the intermediate pieces 7 are designed as webs and run in one piece with the latticework 1 of the hollow profiles 16.
- the lattice work 1 has an upwardly directed, film-free edge area 8 for better anchoring in the concrete 15.
- Crossing struts (not shown) can be attached across the lower open sides of the hollow profiles 16 to stabilize the shape.
- reinforcement elements e.g. Lattice girder, and reinforcement mats cast into the concrete below and possibly above the recesses.
- FIG. 13 shows a component made of concrete 15 in which the corresponding number of hollow profiles 16, in particular according to FIG. 2, has been embedded in order to produce a plurality of recesses.
- the hollow profiles 16 here consist of individual, downwardly open channel profiles from the latticework 1 made of structural steel and the shrunk-on film 2.
- the film-free foot areas 3 are placed on a conventional reinforcement mat 17.
- the reinforcement mat 17 is bent approximately vertically upward in its edge region 18 and extends into a recessed groove in the abutting edge of the component.
- FIG. 14 shows two components lying side by side, specifically according to FIG. 13.
- the edge regions 18 of the reinforcement mats 17 pointing upwards are spanned to form a joint reinforcement with a U-shaped bracket 19.
- the joint can then be filled.
- the hollow profiles here have a box shape, the narrow sides 20 also being enclosed by concrete 15. It has been shown that in the case of such elongated, narrow hollow profiles, which are also to be closed on the narrow sides 20, it is quite sufficient to make the wall on these narrow sides 20 only from film 2 without the reinforcing latticework 1. As a result, the latticework 1 can be made from a structural steel mat without further welding or other connection work on the boundary edges of the narrow sides 20 only by e.g. Pressing or bending can be made.
- a component according to FIG. 11 is produced by placing the displacement body on a formwork and filling concrete in the usual thickness.
- the components according to FIGS. 12 to 15 are produced by first pouring a concrete sub-layer and pressing the displacement body, with or without a reinforcement mat, up to the edge of the film, so that the film-free foot areas, the webs and / or the reinforcement mat of Concrete are enclosed. Then concrete can be poured in the desired shape and thickness. Of course, only a single recess can be made in the concrete using the latter method if a displacement body in the form of a single hollow profile with a foil-free foot area is used.
- the displacement body according to the invention can be produced by a first method in such a way that the film 2 is shrunk onto a preformed hollow profile made of latticework 1 which corresponds to the contour shapes of the recess.
- the film 2 can then either be covered as a tubular shrink film or folded out of a flat piece of film and shrunk under the action of heat, the cut edges being firmly connected to one another or to the latticework 1.
- This process can also be used, at least in the circumferential direction, to produce closed displacement bodies by pulling and shrinking a tubular film over the preformed latticework (e.g. in the case of a displacement body for a stair component).
- the displacement bodies according to FIG. 3 are produced with this method, the latticework 1 made of a structural steel mat without further welding or other connection work on the boundary edges of the narrow sides only by e.g. Pressing or bending can be shaped.
- Another preferred method for producing the displacement body according to the invention is that the film 2 is shrunk onto the still flat lattice work 1 and that the lattice work 1 and the film 2 are then brought together into the shape of the desired recess.
- Displacement bodies in particular according to FIGS. 5 to 7, 12 and 15, are produced by placing pieces of film the size of the circumference of the recess on a flat structural steel mat 1 at the desired distance and fastening them by shrinking under the action of heat. If it is ensured that the film is stretched tightly over the latticework, it is sufficient to attach only the edges of the film in the manner specified. Then the latticework, together with the foil on it, is brought into the desired shape. Then the reinforcing struts 9 can e.g. be welded on.
- FIGS. 16 and 17 offer particular advantages for displacement bodies provided with film on both sides.
- 16 shows a structural steel mat 1 used for producing the displacement body according to the invention and provided with the film 2 on both sides before the deformation.
- the manufacturing process is such that the structural steel mat 1 is first covered on both sides with a plastic film 2a and 2b.
- the two plastic films 2a and 2b are then exposed to the action of heat, whereby they connect to one another and / or to the latticework 1 through the lattice openings.
- the dimensions of the latticework 1, which is provided with the film 2 in one operation suitably depend on the place of manufacture and the available possibilities.
- a piece of the latticework 1 exceeding the dimensions of the wall for a single displacement body is provided with the flexible foils 2a and 2b.
- the foils 2a and 2b are connected to one another in the manner indicated.
- the entire piece is then cut, for example along dash-dotted dividing lines 21, into individual sections each the size of a displacement body.
- the separation is also advantageously carried out under the action of heat, so that the foils 2a and 2b also weld at the dividing lines 21.
- the sections are then bent into displacers of the desired shape. Since these sections are very easy to transport, they can easily be shaped on site.
- latticework 1 in the size required for each individual displacement body, is coated separately with the foils 2a and 2b.
- a tubular shrink film made of plastic is also suitable for this variant. The tubular film is pulled over the latticework, welded and shrunk on. Prepared in this way, the latticework and film are then formed together to form the displacement body.
- This method is particularly easy to modify for the mass production of smaller, equally large displacement bodies by covering a continuous web of latticework 1 with the tubular film 2 or covering it with the two films 2a and 2b, welding it and then dividing it into sections along the dash-dotted lines 21.
- wire thickness and mesh size can also be varied depending on the required strength. Particularly light components are achieved if, in addition to these displacement bodies, which have hardly any dead weight, a lightweight concrete mixed, for example, from concrete and foam flakes is used. Furthermore, the foil-free foot areas are only necessary where the displacement body is to be firmly anchored in the concrete of the component. Furthermore, the two foils can be welded within the grid openings and at the edge by mechanical pressure during shrinking.
- the displacement body For uses in which the displacement body is greater loads has to withstand, its wall may be supported from the inside with encryption s t eifungsbügeln.
- the stiffening brackets have an angular cross-section, the legs of the angle being provided with latching devices for the lower longitudinal edges, for example a channel profile, and the apex of the angle carrying a support plate which bears against the upper wall of the channel profile. The legs thus keep the width of the channel profile constant even under load, while the support plate secures the upper wall against bending.
- the displacement body according to the invention can also be used in a double or multi-storey design without any significant increase in the weight of the component.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Laminated Bodies (AREA)
Claims (25)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT82102178T ATE10662T1 (de) | 1981-05-18 | 1982-03-17 | Verdraengungskoerper. |
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3119703 | 1981-05-18 | ||
DE3119705 | 1981-05-18 | ||
DE3119703 | 1981-05-18 | ||
DE19813119705 DE3119705A1 (de) | 1981-05-18 | 1981-05-18 | Verdraengungskoerper |
DE3119704 | 1981-05-18 | ||
DE19813119704 DE3119704A1 (de) | 1981-05-18 | 1981-05-18 | Verdraengungskoerper |
DE19813129165 DE3129165A1 (de) | 1981-07-23 | 1981-07-23 | Verdraengungskoerper |
DE3129165 | 1981-07-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0065089A1 EP0065089A1 (fr) | 1982-11-24 |
EP0065089B1 true EP0065089B1 (fr) | 1984-12-05 |
Family
ID=27432671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP82102178A Expired EP0065089B1 (fr) | 1981-05-18 | 1982-03-17 | Corps de refoulement |
Country Status (8)
Country | Link |
---|---|
US (1) | US4495744A (fr) |
EP (1) | EP0065089B1 (fr) |
AU (1) | AU551508B2 (fr) |
BR (1) | BR8202859A (fr) |
CA (1) | CA1179860A (fr) |
DK (1) | DK152996C (fr) |
ES (3) | ES275052Y (fr) |
NZ (1) | NZ200627A (fr) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2048630B1 (es) * | 1991-10-25 | 1996-08-01 | Isla Manuel Santalla | Forjado unidireccional con panales prefabricados autoportantes de hormigon armado. |
WO1995024532A1 (fr) * | 1994-03-10 | 1995-09-14 | Lassen Joergen | Element destine a la fabrication d'une structure en beton arme dotee de cavites, corps de remplissage destine a la fabrication de cet element, et procede de fabrication d'une structure en beton arme dotee de cavites. |
IT1305513B1 (it) * | 1998-07-03 | 2001-05-09 | Daliform S R L | Elemento prefabbricato modulare per uso edilizio |
DE19837077A1 (de) * | 1998-08-17 | 2000-02-24 | Haeussler Planung Gmbh | Bewehrungskorb und dessen Anordnung für die Herstellung von Stahlbeton-Hohlkörperplatten |
BE1015117A5 (nl) * | 2002-09-23 | 2004-10-05 | Belvi Nv | Prefabelement en werkwijze voor het vervaardigen ervan. |
GB2394727A (en) * | 2002-11-01 | 2004-05-05 | Mohammad Yunas | Elements for forming a void in a foundation |
WO2005061804A1 (fr) * | 2003-12-23 | 2005-07-07 | The Australian Steel Company (Operations) Pty Ltd | Dispositif pour former des cavites |
EP1568827A1 (fr) * | 2004-02-25 | 2005-08-31 | Cobiax Technologies AG | Procédé et moyen de fabrication de pièces en béton |
US20080035830A1 (en) * | 2004-05-11 | 2008-02-14 | The Australian Steel Company (Operations) Pty Ltd | Cavity Former |
EA009028B1 (ru) * | 2004-08-13 | 2007-10-26 | Бам Аг | Железобетонная плита или панель перекрытия, содержащая полые блоки |
CZ297936B6 (cs) * | 2005-02-22 | 2007-05-02 | Jasan@Petr | Stropní konstrukce a zpusob její výroby |
US20070000202A1 (en) * | 2005-06-30 | 2007-01-04 | Yue-Yue Yang | Artificial stone slab having a lining structure |
CN101063326B (zh) * | 2006-04-29 | 2010-11-03 | 邱则有 | 一种砼结构用开口箱 |
CN101240574B (zh) * | 2007-02-05 | 2011-06-08 | 湖南邱则有专利战略策划有限公司 | 一种现浇砼空心板 |
PT2189586E (pt) * | 2008-11-19 | 2011-07-11 | Cobiax Technologies Ag | Elemento de painel dispondo de um reforço |
US20140083002A1 (en) * | 2010-04-07 | 2014-03-27 | Paul C. McMichael | Garden plant protector |
KR101245602B1 (ko) * | 2010-12-28 | 2013-03-20 | 주식회사 흥아기연 | 블리스터 포장용 카톤 성형장치 |
CN103031920A (zh) * | 2012-05-10 | 2013-04-10 | 成都锦城梦真科技有限公司 | 一种建筑石膏模盒及使用其的空腹楼板结构 |
CN104746890B (zh) * | 2015-01-29 | 2017-04-12 | 天津市房屋质量安全鉴定检测中心 | 密肋空心砖楼板加固方法 |
CN104695610A (zh) * | 2015-04-03 | 2015-06-10 | 王勇 | 一种加强上盖板钢丝网架内支撑箱体 |
CN105064597B (zh) * | 2015-07-30 | 2016-05-25 | 陈风平 | 一种密肋楼板填充预制切体构件及制造方法 |
CN105507483A (zh) * | 2016-01-25 | 2016-04-20 | 王勇 | 一种抗上浮自定位钢丝网架轻质结构箱体 |
CN105926824A (zh) * | 2016-07-05 | 2016-09-07 | 周雄浩 | 轻型空心砌块 |
CN106760144A (zh) * | 2017-01-11 | 2017-05-31 | 保定恒超新型材料科技有限公司 | 一种现浇空腹楼盖填充体 |
DE102017119087A1 (de) | 2017-08-21 | 2019-02-21 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Verdrängungskörper aus Hochleistungsaerogelbeton |
US11352789B2 (en) | 2018-06-01 | 2022-06-07 | Matter Up Pty Ltd | Void former |
CN112360030A (zh) * | 2020-12-08 | 2021-02-12 | 宝冶(郑州)建筑工程有限公司 | 一种用于超厚空心楼板的空心箱体装置及其制作方法 |
Family Cites Families (14)
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DE323383C (de) * | 1916-08-18 | 1920-07-21 | Edmund Rumpler | Motor, insbesondere fuer Flugzeuge und Motorwagen, mit paarweise zu je einem Block zusammengefuegten Zylindern |
FR835937A (fr) * | 1937-04-01 | 1939-01-05 | élément de construction | |
GB519218A (en) * | 1938-10-01 | 1940-03-19 | Edwin Airey | Improvements in or relating to reinforced concrete floors and like surfaces |
DE1274330B (de) * | 1958-02-17 | 1968-08-01 | Johannes Rix Dipl Ing | Trog- oder kastenfoermiger Schalungskoerper, insbesondere fuer Stahlbetonrippendecken |
DE1850167U (de) * | 1960-09-17 | 1962-04-19 | Rheinbau Gmbh | Schalungskoerper fuer stahlbetonrippendecken. |
US3113402A (en) * | 1960-12-09 | 1963-12-10 | Donald H Butler | Slab construction |
US3224725A (en) * | 1962-03-09 | 1965-12-21 | Masonite Corp | Floor pan form |
DE1233561B (de) * | 1965-02-24 | 1967-02-02 | Hochtief Ag Hoch Tiefbauten | Verfahren zum Herstellen von aus einem Stuetzgerippe und einer Ummantelung bestehenden Fuellkoerpern fuer Betonkonstruktionen |
US3480696A (en) * | 1966-11-16 | 1969-11-25 | Shell Oil Co | Alpha olefin block copolymers and their preparation |
AT323383B (de) * | 1972-01-19 | 1975-07-10 | Klepsch Rudolf Dipl Ing | Schalungskörper aus kunststoff |
NL7411231A (nl) * | 1974-08-23 | 1976-02-25 | Ballast Nedam Groep Nv | Bekistingselement. |
DE2503132A1 (de) * | 1975-01-27 | 1976-07-29 | Aloys Bastgen | Verbundelemente fuer stahlbeton oder andere erhaertungsmassen |
IT1039863B (it) * | 1975-07-15 | 1979-12-10 | Anic Spa | Elemneto trafilato in resine termoplastiche per la realizzazione di solai misti in cemento armato e procedimento perla realizzazione di tale solai |
EP0077872B1 (fr) * | 1981-10-23 | 1988-10-05 | Angelika Kirchner-Carl | Dispositif de recouvrement |
-
1982
- 1982-03-17 EP EP82102178A patent/EP0065089B1/fr not_active Expired
- 1982-04-16 DK DK170082A patent/DK152996C/da not_active IP Right Cessation
- 1982-05-06 AU AU83468/82A patent/AU551508B2/en not_active Ceased
- 1982-05-10 US US06/376,605 patent/US4495744A/en not_active Expired - Lifetime
- 1982-05-11 CA CA000402731A patent/CA1179860A/fr not_active Expired
- 1982-05-17 NZ NZ200627A patent/NZ200627A/en unknown
- 1982-05-17 ES ES1982275052U patent/ES275052Y/es not_active Expired
- 1982-05-17 BR BR8202859A patent/BR8202859A/pt not_active IP Right Cessation
-
1983
- 1983-04-14 ES ES521469A patent/ES8405470A1/es not_active Expired
- 1983-04-14 ES ES1983279898U patent/ES279898Y/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU551508B2 (en) | 1986-05-01 |
DK152996B (da) | 1988-06-06 |
ES275052Y (es) | 1986-02-16 |
DK152996C (da) | 1988-10-17 |
ES521469A0 (es) | 1984-06-01 |
ES275052U (es) | 1985-06-16 |
ES279898U (es) | 1985-08-01 |
ES279898Y (es) | 1986-04-16 |
DK170082A (da) | 1982-11-19 |
US4495744A (en) | 1985-01-29 |
NZ200627A (en) | 1986-04-11 |
ES8405470A1 (es) | 1984-06-01 |
AU8346882A (en) | 1982-11-25 |
CA1179860A (fr) | 1984-12-27 |
BR8202859A (pt) | 1983-04-26 |
EP0065089A1 (fr) | 1982-11-24 |
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