EP0173095B1 - Plaque mixte saillante pour la construction, en particulier pour fond double - Google Patents
Plaque mixte saillante pour la construction, en particulier pour fond double Download PDFInfo
- Publication number
- EP0173095B1 EP0173095B1 EP85109559A EP85109559A EP0173095B1 EP 0173095 B1 EP0173095 B1 EP 0173095B1 EP 85109559 A EP85109559 A EP 85109559A EP 85109559 A EP85109559 A EP 85109559A EP 0173095 B1 EP0173095 B1 EP 0173095B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- composite building
- trough
- formations
- knob
- slab according
- 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
- 239000002131 composite material Substances 0.000 title claims abstract description 47
- 238000010276 construction Methods 0.000 title 1
- 239000000463 material Substances 0.000 claims abstract description 9
- 229910052925 anhydrite Inorganic materials 0.000 claims abstract description 6
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims abstract description 6
- 230000002787 reinforcement Effects 0.000 claims description 42
- 230000015572 biosynthetic process Effects 0.000 claims description 31
- 238000005755 formation reaction Methods 0.000 claims description 31
- 238000003466 welding Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000004873 anchoring Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000000945 filler Substances 0.000 abstract description 21
- 230000009969 flowable effect Effects 0.000 abstract description 4
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 208000000260 Warts Diseases 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 201000010153 skin papilloma Diseases 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/024—Sectional false floors, e.g. computer floors
- E04F15/02405—Floor panels
- E04F15/02417—Floor panels made of box-like elements
- E04F15/02423—Floor panels made of box-like elements filled with core material
- E04F15/02429—Floor panels made of box-like elements filled with core material the core material hardening after application
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/024—Sectional false floors, e.g. computer floors
- E04F15/02405—Floor panels
- E04F15/02411—Floor panels with integrated feet
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
- E04F15/182—Underlayers coated with adhesive or mortar to receive the flooring
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
- E04F15/185—Underlayers in the form of studded or ribbed plates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/23—Sheet including cover or casing
- Y10T428/232—Encased layer derived from inorganic settable ingredient
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
- Y10T428/24322—Composite web or sheet
- Y10T428/24331—Composite web or sheet including nonapertured component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
- Y10T428/24562—Interlaminar spaces
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24628—Nonplanar uniform thickness material
- Y10T428/24669—Aligned or parallel nonplanarities
Definitions
- the invention relates to a self-supporting composite building board, in particular for raised floors, with an outer trough-shaped reinforcement for a flowable or pourable and curable filler with high compressive strength in the cured state, e.g. Anhydrite, concrete or the like
- Such a self-supporting composite building board is known from DE-PS 2004101.
- the trough-shaped reinforcement of this composite building board has a practically flat floor and its entire clear cross-section is filled with anhydrite, so that this composite building board has a correspondingly high weight.
- a lower board weight is desired without sacrificing the numerous advantages of this composite building board, e.g. B. with high fire resistance, resilience, impact sound insulation, etc.
- DE-OS 3103632 and 2930426 are also already known double floor panels with numerous knob-shaped projections on their undersides, but which are all supported on a sub-floor, that is, form a plurality of support feet.
- These raised access floor panels may have a lower weight than the composite panel explained at the outset, but are not self-supporting, i. H. cannot be supported exclusively on their corners on footrests, because the necessary reinforcement is missing.
- the invention has for its object to develop a cantilever composite building board of the type mentioned in such a way that it has a significantly lower weight and still retain the advantageous properties described above.
- this object is achieved in that the trough-shaped reinforcement is provided on its underside with a large number of knob-like, filler-containing formations which are connected to one another by a floor element of high tensile strength.
- the knob-like formations on the underside of the trough-shaped reinforcement means that a much smaller amount of filler is absorbed than from the corresponding lower clear cross-sectional area of the known trough-shaped reinforcement with practical flat floor.
- the weight reduction achieved in this way with the finished composite building board compared to the prior art is approximately 40%.
- the smaller amount of filler in the lower cross-sectional area of the composite building board (below the neutral board level) is meaningless, since when the composite building board is loaded only tensile stresses occur in this area anyway and the filler, e.g. B. anhydrite or concrete, is one with very low tensile strength and very low modulus of elasticity.
- the high load-bearing capacity of the composite building board according to the invention is ensured by attaching a floor element of high tensile strength to the downwardly protruding knob-like formations, which absorbs the tensile forces occurring on its underside when the composite building board is loaded.
- the arrangement of such a floor element also makes it possible to use relatively thin-walled material for the trough-shaped reinforcement, which has a favorable effect on their production costs.
- the quantity of filler relevant for the impact sound insulation is nevertheless also present in sufficient quantities in the composite building board according to the invention.
- the relatively high fire resistance of the composite building board is ensured by the fact that there is a sufficiently thick filler layer over the entire section of the board between the trough-shaped reinforcement and the top of the board.
- any coverings can be attached to the top of the plate.
- the knob-like formations on the underside of the trough-shaped reinforcement are preferably of uniform design and regularly arranged and are expediently produced using the steel sheet for the trough-shaped reinforcement in the deep-drawing process.
- the floor element with high tensile strength can be welded, glued, riveted or screwed onto the knob-like formations of the trough-shaped reinforcement.
- the floor element can simply consist of a sheet of thin metal.
- the floor element can be perforated to further reduce the weight of the composite building board.
- the flexural strength of the composite building board is improved if the base element is provided with stiffening beads or the like.
- the bottom element can also be made of a grid, e.g. B. a steel mesh.
- the height of the knob-like formations can be about half the total height of the trough-shaped reinforcement and thus un lie below the neutral level of the composite building board.
- the knob-like formations can be frustoconical, their cross-section becoming smaller on the outside. This frusto-conical version of the knob-like formations is preferred because of the simplified removal of the finished trough-shaped reinforcement from a corresponding deep-drawing tool.
- the height of the knob-like formations becomes progressively smaller towards the center of the trough-shaped reinforcement in order to arch the trough-shaped reinforcement slightly upwards, so that after the filler has been introduced, the underside and top of the composite building board run plane-parallel to one another, the slight deflection of the trough-shaped reinforcement caused by the weight of the filler is advantageously compensated for.
- the trough-shaped reinforcement of which has openings with pressed-in edges for anchoring in the filler it is expedient for manufacturing reasons if the bottoms of the knob-like formations have these openings.
- the openings in the bottoms of the knob-like formations are closed to the outside by the base element, the filler is prevented from escaping through these openings as long as it is still in the flowable or pourable state.
- the closure materials previously applied over the openings for the same purpose are thus advantageously replaced by the base element which is required anyway.
- knob-like formations are provided on their underside with wart-shaped welding projections for puncturing the base element, the spot welding process is facilitated.
- the self-supporting composite building boards 10 and 10A selected as exemplary embodiments form floor boards for raised floors.
- Such floor slabs are mutually laid on one another and are supported at their corners on footrests, which in turn are placed on the raw floor of the respective building.
- the composite building board 10 contains an outer trough-shaped reinforcement 11, which in the exemplary embodiment is made of sheet steel with a surface protection, e.g. there is a zinc coating.
- the trough-shaped reinforcement 11 has numerous, regularly arranged, uniform, knob-like formations 12 on its underside, which are formed in a deep-drawing process together with the upwardly extending, circumferential side walls 13 of the trough-shaped reinforcement 11.
- These knob-like formations 12 form truncated cones, the cross-section of which is slightly smaller towards the outside or below.
- the height of the formations 12 corresponds to approximately half the height of the reinforcement 11.
- the height of the knob-like formations 12 can decrease progressively towards the center of the trough-shaped reinforcement 11, so that the bottom sides 14 of the formations 12 are slightly curved upwards.
- This has the advantage that when the filler is introduced into the trough-shaped reinforcement, which is still to be described, the trough-shaped reinforcement 11 is bent downward to such an extent that the underside and top of the finished composite building board 10 run plane-parallel.
- the knob-like formations 12 z. B. have a smallest diameter of approx. 20 mm and at a mutual distance of approx. 40 mm, measured from center to center of the protrusions.
- a sheet steel plate of small thickness acting as a base element 15 is fastened by spot welding, which can be provided with openings 16 in relation to the cavities between the formations 12 for further weight saving, as is indicated in FIG. 4.
- wart-like welding projections 17, which are arranged centrally on the outside on the bottom sides 14 and which facilitate the puncturing of the bottom element 15 by means of a corresponding spot welding machine.
- This floor element 15 is used when the finished composite building board 10 to absorb tensile forces and is equal to the trough-shaped reinforcement 11 with a surface protection, for. B. provided a zinc coating.
- tub reinforcement 11 To complete the cantilever composite building board 10 is in the open top, tub reinforcement 11, a flowable or pourable and curable filler 18, preferably anhydrite, introduced. Possibly. after passing through a vibrating station, excess filler 18 is wiped off in order to obtain a smooth surface 19. After the filler 18 has hardened, the surface 19 can, if necessary, be additionally ground so that it is perfectly flat.
- the self-supporting composite building board 10A shown partially in section in FIG. 4 corresponds essentially to that according to FIG. 1 and the same parts are therefore also identified by the same reference numbers.
- the trough-shaped reinforcement 11 on its circumferential side walls 13 and on the bottom sides 14 of its knob-like formations 12 has openings 21 with inwardly drawn edges, which produce a composite effect between the trough-shaped reinforcement 11 and the filler 18 serve.
- the filler which has penetrated into the openings 21 with the inwardly drawn edges namely forms conical anchoring bodies after it has hardened.
- the sheet steel sheet of small thickness which is fastened on the outside on the bottom sides 14 of the formations 12 by spot welding and serves as a bottom element 15 ', not only serves to absorb tensile forces when the composite building board 10A is loaded, but also serves the purpose of the filler 18 leaking out during the filling process Avoid openings 21 in the bottom sides 14.
- the openings 21 in the side walls 13 of the trough-shaped reinforcement 11 are closed for the same purpose with an adhesive strip or the like to the outside.
- the sheet steel plate serving as the base element 15 ' has in this embodiment 12 openings 16 between the formations for weight reduction.
- the knob-like formations 12 in the trough-shaped reinforcement 11 can also be cylindrical or have a polygonal cross section. Although galvanized steel sheet is preferred for the trough-shaped reinforcement 11 and the floor elements 15 and 15 ', these components can also consist of other materials.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Floor Finish (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polyurethanes Or Polyureas (AREA)
- Laminated Bodies (AREA)
- Rod-Shaped Construction Members (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Joining Of Building Structures In Genera (AREA)
Claims (11)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT85109559T ATE44065T1 (de) | 1984-08-24 | 1985-07-30 | Freitragende verbundbauplatte, insbesondere fuer doppelboeden. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3431118A DE3431118C1 (de) | 1984-08-24 | 1984-08-24 | Freitragende Verbundbauplatte,insbesondere fuer Doppelboeden |
DE3431118 | 1984-08-24 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0173095A2 EP0173095A2 (fr) | 1986-03-05 |
EP0173095A3 EP0173095A3 (en) | 1987-03-25 |
EP0173095B1 true EP0173095B1 (fr) | 1989-06-14 |
Family
ID=6243762
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85109559A Expired EP0173095B1 (fr) | 1984-08-24 | 1985-07-30 | Plaque mixte saillante pour la construction, en particulier pour fond double |
Country Status (6)
Country | Link |
---|---|
US (1) | US4640854A (fr) |
EP (1) | EP0173095B1 (fr) |
AT (1) | ATE44065T1 (fr) |
CA (1) | CA1251944A (fr) |
DE (1) | DE3431118C1 (fr) |
ES (1) | ES288739Y (fr) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3720238A1 (de) * | 1987-06-19 | 1989-01-05 | Mero Werke Kg | Verbundbauplatte, insbesondere fuer doppelboeden |
US4993208A (en) * | 1987-09-29 | 1991-02-19 | Buchtal Gesellschaft Mit Beschrankter Haftung | Mold for producing tile-shaped floor elements for forming a double floor construction and a corresponding tile-shaped floor element |
DE3803062A1 (de) * | 1988-01-29 | 1989-08-10 | Herbst Donald | Biegsame schalungsfolie |
DE3902419C3 (de) * | 1989-01-27 | 2000-06-15 | Dieter Opitz | Bodenbelag |
IT1237170B (it) * | 1989-10-27 | 1993-05-24 | Componente deumidificante per sistemi murari. | |
JP3006069B2 (ja) * | 1990-10-26 | 2000-02-07 | タカタ株式会社 | エアバッグ装置のモジュールカバー |
KR970033353A (ko) * | 1995-12-19 | 1997-07-22 | 이대원 | 요소연결부 구조 |
US5950390A (en) * | 1998-04-20 | 1999-09-14 | Jones; Jack | Pre-cast concrete building module |
DE29907682U1 (de) | 1999-04-30 | 2000-09-07 | Deutsche Verpackungsmittel | Bodenplatte |
AU2002225285A1 (en) * | 2002-01-25 | 2003-09-02 | Edilconsulting S.A. | Flat panel for raised floor |
ITTV20020034A1 (it) * | 2002-04-04 | 2003-10-06 | Marcello Toncelli | Lastra rinforzata in conglomerato cementizio, procedimento per la suafabbricazione e relativa struttura di rinforzo |
ITVR20020035A1 (it) * | 2002-04-11 | 2003-10-13 | Stone Italiana S R L | Procedimento per la produzione di lastre o piastrelle in materiale agglomerato armate con piastra metallica e lastre o piastrelle armate con |
USD813421S1 (en) | 2009-08-28 | 2018-03-20 | Progress Profiles Spa | Floor underlayment |
US9188348B2 (en) | 2009-08-28 | 2015-11-17 | Progress Profiles Spa | Method and apparatus for positioning heating elements |
US8950141B2 (en) * | 2012-09-12 | 2015-02-10 | Schluter Systems L.P. | Veneer underlayment |
US10215423B2 (en) | 2014-08-18 | 2019-02-26 | Progress Profiles S.P.A. | Method and apparatus for positioning heating elements |
CA3073539C (fr) | 2014-08-18 | 2021-09-28 | Progress Profiles Spa | Procede et appareil pour le positionnement d'elements chauffants |
USD806911S1 (en) | 2015-03-17 | 2018-01-02 | Silcart S.P.A. | Floor underlayment |
US9328520B1 (en) * | 2015-07-17 | 2016-05-03 | Matthew Kriser | High strength in-floor decoupling membrane |
US10859274B2 (en) | 2016-04-01 | 2020-12-08 | Progress Profiles S.P.A. | Support for radiant covering and floor heating elements |
US9726383B1 (en) | 2016-06-17 | 2017-08-08 | Progress Profiles S.P.A. | Support for radiant covering and floor heating elements |
USD971449S1 (en) | 2016-04-13 | 2022-11-29 | Progress Profiles S.P.A. | Floor underlayment |
GB2571745B (en) * | 2018-03-07 | 2020-07-22 | George Owen Ltd | Concrete paving panel |
US11746541B2 (en) * | 2019-04-01 | 2023-09-05 | Formulated Materials Llc | High compressive strength sound attenuation |
DE102019109458A1 (de) * | 2019-04-10 | 2020-10-15 | Infinex Holding Gmbh | Trägerplatte für einen Boden-, Wand- oder Deckenaufbau |
EP4025744A1 (fr) * | 2019-09-06 | 2022-07-13 | Cpc Ag | Plancher en béton, éléments de plancher en béton et procédés de fabrication d'un plancher en béton et d'un élément de plancher en béton |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB544042A (en) * | 1940-07-23 | 1942-03-25 | George Carpenter | Improvements in and relating to reinforcement of lightweight building slabs and like materials |
US3286418A (en) * | 1962-08-14 | 1966-11-22 | Kissam Builders Supply Company | Prestressed composite load-bearing slab |
CH516709A (de) * | 1970-01-30 | 1971-12-15 | Mero Ag | Verfahren zur Herstellung von Verbund-Bauplatten |
FR2143610A2 (en) * | 1971-06-29 | 1973-02-09 | Morel Charles | Foam cored panels - reinforced with steel webs in two directions and with some core cells filled with concrete |
US3845593A (en) * | 1972-09-12 | 1974-11-05 | G Zen | Lightweight concrete panel |
GB2050904A (en) * | 1979-06-20 | 1981-01-14 | Tate Architectural Products | Rigid stiffening web for load- bearing panel |
DE2930426C2 (de) * | 1979-07-26 | 1986-08-14 | Betonwerk Kleinwallstadt Richard Weitz GmbH, 8751 Kleinwallstadt | Fußbodenelement für eine Fußbodenheizung |
US4411121A (en) * | 1981-02-02 | 1983-10-25 | Tate Architectural Products, Inc. | Structural member with truncated conical portion and composite panel including same |
CA1181215A (fr) * | 1981-02-04 | 1985-01-22 | Wolfgang Radtke | Plancher creux |
DE3345620C1 (de) * | 1983-12-16 | 1985-04-25 | MERO-Werke Dr.-Ing. Max Mengeringhausen, GmbH & Co, 8700 Würzburg | Freitragende Verbundplatte für Doppelböden, Decken oder dergleichen |
-
1984
- 1984-08-24 DE DE3431118A patent/DE3431118C1/de not_active Expired
-
1985
- 1985-07-30 EP EP85109559A patent/EP0173095B1/fr not_active Expired
- 1985-07-30 AT AT85109559T patent/ATE44065T1/de not_active IP Right Cessation
- 1985-08-20 ES ES1985288739U patent/ES288739Y/es not_active Expired
- 1985-08-20 US US06/767,716 patent/US4640854A/en not_active Expired - Fee Related
- 1985-08-23 CA CA000489334A patent/CA1251944A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0173095A2 (fr) | 1986-03-05 |
DE3431118C1 (de) | 1985-04-04 |
CA1251944A (fr) | 1989-04-04 |
ES288739U (es) | 1986-01-16 |
ES288739Y (es) | 1986-10-01 |
EP0173095A3 (en) | 1987-03-25 |
US4640854A (en) | 1987-02-03 |
ATE44065T1 (de) | 1989-06-15 |
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DE20309363U1 (de) | Bauelement | |
DE3008744C2 (fr) | ||
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