EP3196382A1 - Acoustic sound damping ground, in particular for ships - Google Patents

Acoustic sound damping ground, in particular for ships Download PDF

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Publication number
EP3196382A1
EP3196382A1 EP16203247.8A EP16203247A EP3196382A1 EP 3196382 A1 EP3196382 A1 EP 3196382A1 EP 16203247 A EP16203247 A EP 16203247A EP 3196382 A1 EP3196382 A1 EP 3196382A1
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EP
European Patent Office
Prior art keywords
floor according
floor
panels
soundproofing
sound
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.)
Granted
Application number
EP16203247.8A
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German (de)
French (fr)
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EP3196382B1 (en
Inventor
Dennis Brumm
Roland Stork
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R&M International GmbH
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R&M International GmbH
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Publication of EP3196382A1 publication Critical patent/EP3196382A1/en
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    • 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
    • E04F15/02447—Supporting structures
    • E04F15/02464—Height adjustable elements for supporting the panels or a panel-supporting framework
    • E04F15/0247—Screw jacks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B3/00—Hulls characterised by their structure or component parts
    • B63B3/14—Hull parts
    • B63B3/68—Panellings; Linings, e.g. for insulating purposes
    • 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
    • E04F15/02447—Supporting structures
    • E04F15/02458—Framework supporting the panels

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Building Environments (AREA)
  • Floor Finish (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

Ein schalldämmender Boden, insbesondere für Schiffe, weist eine Unterkonstruktion (15) aus nicht brennbaren Materialien als nivellierte Aufständerung und eine Auflage aus Boden-Paneelen (17) auf, die einen schalldämmenden Kern (20) aus Mineralwolle und eine obere Halbschale (19) und eine untere Halbschale (18) als Abdeckung aufweisen, wobei die Halbschalen (18, 19) im Wesentlichen nicht miteinander verbunden sind.A sound-absorbing floor, in particular for ships, has a substructure (15) of non-combustible materials as leveled upstands and a support of floor panels (17) comprising a sound insulating core (20) of mineral wool and an upper half shell (19) and a lower half-shell (18) as a cover, wherein the half-shells (18, 19) are substantially not interconnected.

Description

Die Erfindung betrifft einen schalldämmenden Boden, insbesondere für Schiffe, nach dem Oberbegriff des Anspruches 1.The invention relates to a sound-absorbing floor, in particular for ships, according to the preamble of claim 1.

Ein derartiger außerordentlich aufwändiger Boden ist aus der US 7,328,667 B1 bekannt.Such an extraordinarily elaborate soil is from the US 7,328,667 B1 known.

Bei Passagierschiffen und Yachten werden die Anforderungen an einzuhaltende Schallpegel immer höher. Diesem Erfordernis wurde versucht, durch Schwingelemente mit Gummieinlagen unterhalb des eigentlichen Bodens zu begegnen. Andererseits gilt im Schiffbau generell, dass hinter Abdeckungen keine brennbaren Materialien verwendet werden dürfen.For passenger ships and yachts, the requirements for sound levels to be complied with are always higher. This requirement was attempted to be counteracted by rubber elements with rubber inserts underneath the actual floor. On the other hand, in shipbuilding generally, flammable materials must not be used behind the covers.

Der Erfindung liegt daher die Aufgabe zugrunde, einen schalldämmenden Boden, insbesondere für Schiffe, zu schaffen, der einerseits hohen Anforderungen an die Schalldämmung und andererseits den Anforderungen an die Brandsicherheit genügt.The invention is therefore an object of the invention to provide a soundproofing floor, especially for ships, on the one hand meets high demands on the sound insulation and on the other hand, the requirements for fire safety.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale im Kennzeichnungsteil des Anspruches 1 gelöst. Einerseits ist eine in sich starre Unterkonstruktion als Aufständerung vorgesehen, durch die auch Unebenheiten des Decks oder dergleichen ausgeglichen werden. Die eigentliche Schalldämmung erfolgt dann in den auf der Unterkonstruktion angebrachten Boden-Paneelen.This object is achieved by the features in the characterizing part of claim 1. On the one hand, an inherently rigid substructure is provided as an elevation, by the unevenness of the deck or the like are compensated. The actual sound insulation then takes place in the mounted on the substructure floor panels.

Die Unteransprüche beinhalten zahlreiche vorteilhafte und erfinderische Weiterbildungen der erfindungsgemäßen Lösung.The subclaims contain numerous advantageous and inventive developments of the solution according to the invention.

Weitere Einzelheiten, Vorteile und Merkmale der Erfindung ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispiels der Erfindung anhand der Zeichnung. Es zeigt:

Fig. 1
einen auf einem Deck befestigten Bolzen mit Kopfhalter als Teil einer Unterkonstruktion in einer Schnittdarstellung,
Fig. 2
eine Darstellung entsprechend Fig. 1 mit auf dem Kopfhalter befestigter Tragschiene,
Fig. 3
ein Boden-Paneel mit Nut und Feder im Längsschnitt,
Fig. 4
ein Boden-Paneel nur mit Feder im Längsschnitt,
Fig. 5
ein Boden-Paneel nur mit Nut im Längsschnitt,
Fig. 6
eine Darstellung entsprechend Fig. 2 mit aufgesetztem Boden-Paneel und einer oberen Abdeckplatte,
Fig. 7
eine Darstellung entsprechend Fig. 6 um 90° gedreht, und
Fig. 8
eine Draufsicht auf einen noch ohne Abdeckplatte verlegten Boden.
Further details, advantages and features of the invention will become apparent from the following description of an embodiment of the invention with reference to the drawing. It shows:
Fig. 1
a stud fastened on a deck with head support as part of a substructure in a sectional view,
Fig. 2
a representation accordingly Fig. 1 with mounting rail fastened on the head holder,
Fig. 3
a floor panel with tongue and groove in longitudinal section,
Fig. 4
a floor panel only with spring in longitudinal section,
Fig. 5
a floor panel only with a groove in longitudinal section,
Fig. 6
a representation accordingly Fig. 2 with attached floor panel and an upper cover plate,
Fig. 7
a representation accordingly Fig. 6 turned 90 °, and
Fig. 8
a plan view of a laid without a cover plate bottom.

Auf einem unteren Boden, beispielsweise einem Deck 1 eines Schiffes, werden Bolzen 2 in vertikaler Richtung durch eine Schweißnaht 3 befestigt. Die Bolzen 2 weisen an ihrem oberen Ende ein Außen-Gewinde 4 auf, auf das ein Kopfhalter 5 aufgeschraubt wird. Ein solcher Kopfhalter 5 weist eine Hülse 6 mit einem dem Außen-Gewinde 4 angepassten InnenGewinde 7 und eine senkrecht zur gemeinsamen Achse 8 von Bolzen 2 und Hülse 6 verlaufende obere kreisförmige Kopfplatte 9 auf. Alle für einen Boden eingesetzten Kopfhalter 5 werden derart auf den jeweiligen Bolzen 2 aufgeschraubt, dass die Oberseiten der Kopfplatte 9 in einer gemeinsamen Ebene liegen. Wie aus Fig. 8 ersichtlich ist, werden jeweils Bolzen 2 in einer gradlinigen Reihe (in Figur 8 waagerecht) angeordnet, sodass jeweils auf eine Reihe von Kopfhaltern 5 eine Tragschiene 10 aufgesetzt werden kann. Die in einer Reihe jeweils in gleichem Abstand a voneinander angeordneten Bolzen 2 jeweils benachbarter Reihen sind um den halben Abstand, also a/2, gegeneinander versetzt, wie ebenfalls aus Fig. 8 ersichtlich ist. Die Tragschienen 10 werden jeweils mittels einer Klebstoffschicht 11 mit den Kopfhaltern 5 verbunden und außerdem mittels Nieten 12 mit diesen verbunden. Die Nieten 12 haben den Zweck, während der Montage der Tragschiene 10 ein Verrutschen gegenüber der Kopfplatte 9 zu verhindern und die Tragschiene 10 bis zum Abbinden der Klebstoffschicht auf der Kopfplatte 9 zu fixieren. Die Klebstoffschicht 11 wirkt gleichzeitig als kraftschlüssige Verbindung und chemische Trennung zwischen den verschiedenen Materialien der Kopfplatte 9, nämlich Stahl, und der Tragschiene 10, nämlich Aluminium, und soll außerdem ein Knirschen bei geringfügigen Bewegungen zwischen der Tragschiene 10 und der Kopfplatte 9 verhindern.On a lower floor, for example a deck 1 of a ship, bolts 2 are fastened in the vertical direction by a weld 3. The bolts 2 have at their upper end an external thread 4, on which a head holder 5 is screwed. Such a head holder 5 has a sleeve 6 with an external thread 4 adapted internal thread 7 and a perpendicular to the common axis 8 of pin 2 and sleeve 6 extending upper circular top plate 9. All head support 5 used for a floor are screwed onto the respective bolt 2 in such a way that the upper sides of the head plate 9 lie in a common plane. How out Fig. 8 it can be seen, each bolt 2 in a straight line (in FIG. 8 horizontally), so that in each case a support rail 10 can be placed on a number of head holders 5. The arranged in a row each at the same distance a from each other bolts 2 each adjacent rows are offset by half the distance, ie a / 2, against each other, as also out Fig. 8 is apparent. The mounting rails 10 are each connected by means of an adhesive layer 11 with the head holders 5 and also connected by means of rivets 12 thereto. The rivets 12 have the purpose during the mounting of the support rail 10 to prevent slipping relative to the top plate 9 and to fix the support rail 10 to the setting of the adhesive layer on the top plate 9. The adhesive layer 11 simultaneously acts as a frictional connection and chemical separation between the various materials of the top plate 9, namely steel, and the support rail 10, namely aluminum, and is also intended to prevent crunching with slight movements between the support rail 10 and the top plate 9.

Die Tragschienen 10 haben ein Hut-Profil, das heißt sie haben ein nach unten offenes C-Profil mit sich seitlich anschließenden Flanschen 14. Hierdurch wird die jeweilige Tragschiene 10 sehr verwindungssteif. Außerdem können die Flansche 14 als Auflage für durch im Randbereich angeordnete als Querversteifungen dienende Abschlussschienen 10' zwischen benachbarten Tragschienen 10 dienen, falls eine solche Querversteifung notwendig sein sollte.The support rails 10 have a hat profile, that is, they have a downwardly open C-profile with laterally adjoining flanges 14. As a result, the respective support rail 10 is very torsionally rigid. In addition, the flanges 14 can be used as a support for by arranged in the edge region serve as a transverse stiffening end rails 10 'between adjacent support rails 10, if such a transverse reinforcement should be necessary.

Auf die durch die Bolzen 2, die Kopfhalter 5, die Tragschienen 10 und die Abschlussschienen 10' gebildete Unterkonstruktion 15 wird der eigentliche schwingungsdämpfende Boden 16 aufgebracht. Dieser besteht aus Boden-Paneelen 17, die eine untere Halbschale 18 und eine obere Halbschale 19 aufweisen, zwischen denen ein schalldämmender Kern 20 aus Mineralwolle angeordnet ist. Die Halbschalen 18, 19 bestehen aus Stahl- oder Aluminiumblech. Sie sind im Wesentlichen nicht direkt miteinander verbunden, sodass keine Schallbrücken gebildet werden. Die länglich mit Langseiten 21 und Schmalseiten 22 rechteckig ausgebildeten Boden-Paneele 17 weisen an einem Ende, also einer Schmalseite 22, eine Feder 23 und an der gegenüberliegenden Schmalseite 22 eine Nut 24 auf, sodass sie als Steckverbindung verlegt werden können. In die Nut 24 ist ein C-förmiges Stabilisierungs-Profil 25 eingelegt. Die Schmalseiten 22 der Boden-Paneele 17 sind durch die Halbschalen 18, 19 teilweise abgedeckt, wie Fig. 3 bis 5 entnehmbar ist.On the by the bolt 2, the head holder 5, the support rails 10 and the end rails 10 'formed substructure 15 of the actual vibration damping floor 16 is applied. This consists of floor panels 17, which have a lower half-shell 18 and an upper half-shell 19, between which a sound-insulating core 20 is disposed of mineral wool. The half shells 18, 19 are made of steel or aluminum sheet. They are essentially not directly connected to each other so that no sound bridges are formed. The oblong long sides 21 and narrow sides 22 rectangular-shaped bottom panels 17 have at one end, ie a narrow side 22, a spring 23 and on the opposite narrow side 22 a groove 24, so that they can be installed as a plug connection. In the groove 24, a C-shaped stabilization profile 25 is inserted. The narrow sides 22 of the floor panels 17 are partially covered by the half-shells 18, 19, such as Fig. 3 to 5 is removable.

Die mit einem Rand (in Fig. 8 oben und unten) des Bodens 16 abschließenden Boden-Paneele 17' oder 17" weisen entsprechend der Verlegung nur eine Feder 23 und keine Nut 24 (Fig. 4) oder nur eine Nut 24 und keine Feder 23 (Fig. 5) auf.The one with a border (in Fig. 8 top and bottom) of the bottom 16 final floor panels 17 'or 17 "have according to the laying only a spring 23 and no groove 24 ( Fig. 4 ) or only one groove 24 and no spring 23 (FIG. Fig. 5 ) on.

Auf die Oberseite der verlegten Boden-Paneele 17, 17', 17" wird noch eine Abdeckplatte 26 aufgebracht, die aus Aluminium, Stahl oder einem Verbundmaterial bestehen kann. Eine solche Abdeckplatte 26 wird mittels einer Klebstoffschicht 27 auf den Boden-Paneelen 17, 17' befestigt. Falls eine solche Abdeckplatte 26 durch einen Estrich gebildet wird, entfällt naturgemäß die Klebstoffschicht. Durch die Abdeckplatte 26 erfolgt eine bessere Druckverteilung.A cover plate 26, which may be made of aluminum, steel or a composite material, is also applied to the upper side of the laid floor panels 17, 17 ', 17 ".This cover panel 26 is applied to the floor panels 17, 17 by means of an adhesive layer 27 'attached such a cover plate 26 is formed by a screed, naturally eliminates the adhesive layer. By the cover plate 26 there is a better pressure distribution.

Claims (10)

Schalldämmender Boden, insbesondere für Schiffe mit
einer Unterkonstruktion (15) aus nicht brennbaren und starren Materialien als nivellierte Aufständerung und
einer Auflage aus Boden-Paneelen (17, 17', 17"), die einen schalldämmenden Kern (20) und eine obere Abdeckung und eine untere Abdeckung aufweisen,
dadurch gekennzeichnet,
dass die als Aufständerung dienende Unterkonstruktion (15) auf einer Grundplatte oder einem Deck (1) vertikal angebrachte Bolzen (2) aufweist,
dass auf diesen Bolzen (2) Kopfhalter (5) mit einer oberen Kopfplatte (9) mittels Gewindeverbindung höhenverstellbar angebracht sind, dass auf den in einer geradlinigen Reihe angeordneten Bolzen (2) mit Kopfhaltern (5) jeweils eine Tragschiene (10) befestigt ist,
dass die Abdeckungen durch eine obere Halbschale (19) und eine untere Halbschale (18) gebildet sind, die nicht unmittelbar miteinander verbunden sind und
dass der schalldämmende Kern (20) aus Mineralwolle besteht.Soundproofing floor, especially for ships with
a substructure (15) of non - combustible and rigid materials as leveled upstands and
a support of floor panels (17, 17 ', 17 ") having a sound insulating core (20) and a top cover and a bottom cover,
characterized,
that the elevation serving as sub-construction (15) on a base plate or a deck (1) vertically mounted pin (2),
that on this bolt (2) head holder (5) with an upper head plate (9) are mounted vertically adjustable by threaded connection, that on the arranged in a rectilinear row of bolts (2) with head holders (5) each have a support rail (10) is attached,
in that the covers are formed by an upper half-shell (19) and a lower half-shell (18) which are not directly connected to one another and
that the sound-absorbing core (20) consists of mineral wool. Schalldämmender Boden nach Anspruch 1, dadurch gekennzeichnet, dass die Boden-Paneele (17) rechteckig mit jeweils einander gegenüber liegenden Langseiten (21) und Schmalseiten (22) ausgebildet sind und an ihren Schmalseiten (22) jeweils mit einer Feder (23) oder einer Nut (24) versehen sind.Sound insulating floor according to claim 1, characterized in that the bottom panels (17) are formed rectangular with each opposite long sides (21) and narrow sides (22) and at their narrow sides (22) each with a spring (23) or a Groove (24) are provided. Schalldämmender Boden nach Anspruch 2, dadurch gekennzeichnet, dass die einen äußeren Rand des Bodens (16) abschließenden Boden-Paneele (17', 17") jeweils nur eine Feder (23) oder eine Nut (24) aufweisen.Sound-insulating floor according to claim 2, characterized in that the an outer edge of the bottom (16) final floor panels (17 ', 17 ") each have only one spring (23) or a groove (24). Schalldämmender Boden nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet,
dass eine Tragschiene (10) auf den Kopfhaltern (5) mittels Nieten (12) und einer Klebstoffschicht (11) befestigt ist.Sound insulating floor according to one of claims 1 to 3, characterized
in that a mounting rail (10) is fastened on the head holders (5) by means of rivets (12) and an adhesive layer (11). Schalldämmender Boden nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet,
dass die Boden-Paneele (17, 17', 17") mit ihren Langseiten (21) quer zu den Tragschienen (10) angeordnet sind.Soundproofing floor according to one of claims 1 to 4, characterized
that the floor panels (17, 17 ', 17 ") are arranged with their long sides (21) transverse to the supporting rails (10). Schalldämmender Boden nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet,
dass die Tragschienen (10) ein Hut-Profil (13) aufweisen.Soundproofing floor according to one of claims 1 to 5, characterized
in that the mounting rails (10) have a hat profile (13). Schalldämmender Boden nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet,
dass die Kopfhalter (5) benachbarter Reihen von Bolzen (2) mit Kopfhaltern (5) gegeneinander versetzt angeordnet sind.Soundproofing floor according to one of claims 1 to 6, characterized
in that the head holders (5) of adjacent rows of bolts (2) with head holders (5) are offset relative to one another. Schalldämmender Boden nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet,
dass auf den verlegten Boden-Paneelen (17, 17', 17") eine Abdeckplatte (26) angebracht ist.Soundproofing floor according to one of claims 1 to 7, characterized
that on the laid floor panels (17, 17 ', 17 ") a cover plate (26) is mounted. Schalldämmender Boden nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet,
dass die Abdeckplatte (26) auf die Boden-Paneele (17, 17', 17") aufgeklebt ist.Sound insulating floor according to one of claims 1 to 8, characterized
that the cover plate (26) is glued onto the bottom panels (17, 17 ', 17 "). Schalldämmender Boden nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet,
dass die Kopfhalter (5) aus Stahl und die Tragschienen (10) aus Aluminium bestehen.Soundproofing floor according to one of claims 1 to 9, characterized
in that the head holders (5) are made of steel and the carrier rails (10) are made of aluminum.
EP16203247.8A 2016-01-19 2016-12-09 Acoustic sound damping ground, in particular for ships Active EP3196382B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016200584.7A DE102016200584A1 (en) 2016-01-19 2016-01-19 Soundproofing floor, especially for ships

Publications (2)

Publication Number Publication Date
EP3196382A1 true EP3196382A1 (en) 2017-07-26
EP3196382B1 EP3196382B1 (en) 2018-12-05

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ID=57544269

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Application Number Title Priority Date Filing Date
EP16203247.8A Active EP3196382B1 (en) 2016-01-19 2016-12-09 Acoustic sound damping ground, in particular for ships

Country Status (4)

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EP (1) EP3196382B1 (en)
CN (1) CN206485512U (en)
DE (1) DE102016200584A1 (en)
DK (1) DK3196382T3 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201800005834A1 (en) * 2018-05-29 2019-11-29 Elastic floor structure for shipbuilding
EP3683131A1 (en) * 2019-01-15 2020-07-22 Lethe GmbH Isolated bordering of a refrigerated area on a ship
CN115027515A (en) * 2022-05-30 2022-09-09 滁州市永通交通设备有限公司 Modularized floor supporting structure with high damping effect for train and installation method thereof

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109296165B (en) * 2018-10-22 2021-02-19 上海品宅装饰科技有限公司 Overhead system
CN110641615A (en) * 2019-10-08 2020-01-03 株洲时代新材料科技股份有限公司 Sound insulation method and partition board for ship interior

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Publication number Priority date Publication date Assignee Title
DE2832108A1 (en) * 1978-07-21 1980-01-31 Kaefer Isoliertechnik Flexible floor covering for ship's compartments - consists of two layers of floor plates, glued together in staggered arrangement on mineral wool mat
DE20206230U1 (en) * 2002-02-05 2002-07-04 Weiss Ausbausysteme Gmbh Raised floor with fire protection
EP1528181A1 (en) * 2003-10-28 2005-05-04 Annie Verne False floor
US7328667B1 (en) 2005-03-21 2008-02-12 Epic Metals Corporation Three dimensional plated deck

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Publication number Priority date Publication date Assignee Title
DE102005059540A1 (en) * 2005-08-19 2007-06-14 Bauer, Jörg R. Reliably fastened to each other, flat components, and component

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2832108A1 (en) * 1978-07-21 1980-01-31 Kaefer Isoliertechnik Flexible floor covering for ship's compartments - consists of two layers of floor plates, glued together in staggered arrangement on mineral wool mat
DE20206230U1 (en) * 2002-02-05 2002-07-04 Weiss Ausbausysteme Gmbh Raised floor with fire protection
EP1528181A1 (en) * 2003-10-28 2005-05-04 Annie Verne False floor
US7328667B1 (en) 2005-03-21 2008-02-12 Epic Metals Corporation Three dimensional plated deck

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201800005834A1 (en) * 2018-05-29 2019-11-29 Elastic floor structure for shipbuilding
WO2019229606A1 (en) * 2018-05-29 2019-12-05 Marinoni Spa Elastic floor structure for naval constructions
EP3683131A1 (en) * 2019-01-15 2020-07-22 Lethe GmbH Isolated bordering of a refrigerated area on a ship
CN115027515A (en) * 2022-05-30 2022-09-09 滁州市永通交通设备有限公司 Modularized floor supporting structure with high damping effect for train and installation method thereof
CN115027515B (en) * 2022-05-30 2024-02-20 滁州市永通交通设备有限公司 Modularized floor supporting structure with high shock absorption effect for train and installation method thereof

Also Published As

Publication number Publication date
DK3196382T3 (en) 2019-04-01
EP3196382B1 (en) 2018-12-05
CN206485512U (en) 2017-09-12
DE102016200584A1 (en) 2017-07-20

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