EP0380753A1 - Plafond suspendu - Google Patents

Plafond suspendu Download PDF

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Publication number
EP0380753A1
EP0380753A1 EP89118117A EP89118117A EP0380753A1 EP 0380753 A1 EP0380753 A1 EP 0380753A1 EP 89118117 A EP89118117 A EP 89118117A EP 89118117 A EP89118117 A EP 89118117A EP 0380753 A1 EP0380753 A1 EP 0380753A1
Authority
EP
European Patent Office
Prior art keywords
support
suspended ceiling
rails
ceiling according
edges
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.)
Withdrawn
Application number
EP89118117A
Other languages
German (de)
English (en)
Inventor
Johan Willem Dipl.-Ing. C/O Keil & Brak
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunter Douglas Industries BV
Original Assignee
Hunter Douglas Industries BV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hunter Douglas Industries BV filed Critical Hunter Douglas Industries BV
Priority to AU48831/90A priority Critical patent/AU615371B2/en
Priority to NZ23228090A priority patent/NZ232280A/xx
Priority to JP2021924A priority patent/JPH0718203B2/ja
Publication of EP0380753A1 publication Critical patent/EP0380753A1/fr
Priority to US07/967,923 priority patent/US5331785A/en
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/22—Connection of slabs, panels, sheets or the like to the supporting construction
    • E04B9/24—Connection of slabs, panels, sheets or the like to the supporting construction with the slabs, panels, sheets or the like positioned on the upperside of, or held against the underside of the horizontal flanges of the supporting construction or accessory means connected thereto
    • E04B9/241—Connection of slabs, panels, sheets or the like to the supporting construction with the slabs, panels, sheets or the like positioned on the upperside of, or held against the underside of the horizontal flanges of the supporting construction or accessory means connected thereto with the slabs, panels, sheets or the like positioned on the upperside of the horizontal flanges of the supporting construction
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/06—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members
    • E04B9/12—Connections between non-parallel members of the supporting construction
    • E04B9/14—Connections between non-parallel members of the supporting construction all the members being discontinuous and laying at least partly in the same plane

Definitions

  • the invention relates to a suspended ceiling with a grid-shaped support structure made of intersecting support rails, which can be suspended at the intersection points of the support rails formed by node elements and whose free fields on the circumferential edges by panels, e.g. Cassettes, lighting elements, supply air devices, exhaust air devices and the like. Can be closed airtight and dustproof by sealing them against the mounting rails with the interposition of sealants.
  • Such a false ceiling is known for example from DE 28 58 140 C2.
  • Longitudinal or transverse support rails with a T-shaped cross section drawn from aluminum are used as support rails.
  • the longitudinal and transverse support rails are each connected to one another by means of a connecting element.
  • a disadvantage of this construction method is the complex production of the special profiles and the lack of adaptability to different construction axis dimensions.
  • the assembly of the relatively long side rails is problematic. To the over Gaps between the longitudinal and transverse support rails can easily lead to leaks, which must be avoided in clean rooms, for example for the industrial production of electrical or electronic components.
  • the object of the present invention is to create a perfectly sealed false ceiling, which has both the advantages of a band grid ceiling in the junction system, namely easy adaptability to different building axis dimensions, and also meets the requirements for clean room conditions with simple manufacture from sheet metal profiles and easy assembly.
  • the aim is to create a clean room ceiling that is also suitable for installing mobile partitions.
  • the support rails can be attached to node elements in an airtight and dust-tight manner by the support rails having angled support flanges on end walls and the respective node element matching support surfaces. Due to the special design of the mounting rails and node elements, it is easy to assemble a perfect seal not only on the cassettes on the mounting rails, but also in the entire node area.
  • sealing means such as sealing tapes
  • sealing tapes are provided between the preferably substantially horizontal support flanges of the mounting rails and the support surfaces of the node elements.
  • Sealing means can be attached to the corresponding support rail surfaces in a simple manner before the installation of the false ceiling.
  • the mounting rails can be used as e.g. edged or rolled, preferably cassette-shaped profile sheets are formed.
  • the mounting rails have corresponding, preferably angled support edges on the upper edges of their longitudinal side walls.
  • sealing means provided on the support edges of the support rails
  • the two angled support edges of each support rail are directed toward one another and are provided with the sealing means on their upper side, the sealing means running from the upper side of the support edges to the underside of the support flanges and preferably as Sealing tape are formed. This reliably prevents leaks in the intermediate joint between the support rails that meet at the crossing point.
  • the sealing means simultaneously perform three sealing functions: the mounting rails are sealed off from the node element, the cassettes or the like are sealed off from the mounting rails, and the mounting rails meeting at the crossing point are sealed against one another in the miter cut.
  • Sealing means is particularly simple and effective to design if the support flanges on the preferably vertical end walls of the mounting rails, for example at 45 ° or 60 °, are cut to miter, which is adapted to the miter of the mounting flange of the adjacent mounting rail .
  • a 45 ° miter is in the case of a square or rectangular node element advantageous.
  • a 60 ° miter results, for example, from a triangular node element.
  • Other polygonal node designs are of course also possible, the miter angle being adapted accordingly.
  • the support flanges preferably adjoin the respective head end of the support edges and, in order to achieve the best possible seal in the miter area, the sealing tape should, in a further embodiment of the invention, preferably be formed in one piece on each support rail, preferably in one piece, via the miter cuts and thereby seal the miter joint .
  • a butt joint in the sealing tape should expediently be located under the support flange of the mounting rail, where it lies against the support surfaces of the node element.
  • the support flange which cooperates with a node, can preferably have slot-shaped recesses in at least one of the mounting rails, into which essentially vertical retaining lugs of the node elements engage. This allows simple and safe mounting of the mounting rails on the node elements in the correct position.
  • each retaining lug has a slot for receiving a locking member, which enables a secure connection between the mounting rail and the node element in a particularly simple manner.
  • the upper edge of the slot runs obliquely to the horizontal and the locking element in the horizontal in the Slot can be clamped, whereby a wedge effect between the locking member and slot is achieved.
  • the node elements can each have a clamping element with which the support rails converging in the node can preferably be pressed together tightly against the node elements, for example by the clamping element acting on the support flanges of the support rails and, if appropriate, the clamping element using a clamping nut the node element or the support flanges of the mounting rails can be tensioned.
  • the contact surfaces of the node element are part of a sealing body, which is can-shaped or plate-shaped with a cover that can be placed thereon. In this way, a perfect optical termination of the node elements with a good sealing function can be achieved.
  • the undersides of the mounting rails can preferably be flush with the underside of the respective viewing cover of the node elements.
  • the can-shaped or plate-shaped sealing body has a preferably central recess which is spanned by a bow-shaped clamping element and / or a bow-shaped fastening element, which leave a space for accommodating ceiling accessories, such as sprinklers .
  • the clamping element can have downwardly angled clamping edges with which it acts on the support flanges, preferably between the lugs of the support element, that is to say precisely at those locations on the underside of the support flanges the sealing tape or the like runs to produce a good sealing function.
  • Such clamping elements can be easily made from sheet metal.
  • the mounting rails can form a Z-profile on the front with the support flange.
  • the mounting rails can also be cut into fixed lengths, with a frame shoe with a Z-fold forming the support flange being insertable tightly into its respective end and, e.g. by points or clamps. This makes it easy to compensate for differences in length of the mounting rails in the assembled state without the desired sealing function suffering.
  • the frame shoe has at least one preferably slot-shaped recess for interacting with a spring-elastic clamping element for clamping the frame shoe with respect to the mounting rail.
  • the frame shoe and / or the support rail can have a stop to limit the depth of insertion of the frame shoe into the support rail in order to ensure an exact positioning of the frame shoe. Furthermore, it can be provided in the sealing strip between an end wall of the mounting rail or the frame shoe and a side wall of the node element in order to ensure a secure seal.
  • the sealing takes place, as is evident from the aforementioned features, essentially in the horizontal, while sealing means in the vertical joints between the individual components see from the miter joints between the mounting rails in the area of the node, need not be present.
  • This can disadvantageously avoid wide dirt gaps between the individual cassettes or the like.
  • the support rails are expediently made of sheet metal with essentially vertical side walls and end walls, it is also expedient that the edging joints of the support rails between the longitudinal side walls and the end walls, for example by means of a closure element, which consists of a web element with lateral sealing elements which can be clamped in the support rails are airtight and dustproof closable. In this way, the required clean room conditions can also be served.
  • the vertical side walls of the panels e.g. Cassettes, or the like.
  • This enables reliable assembly and simple mounting of the cassettes or the like on the mounting rails.
  • the support edges of the cassettes or the like are preferably closed all around to improve the sealing function.
  • edges of the panels e.g. Cassettes or the like can be sealed airtight and dustproof between the side walls.
  • the support edges of the panels, for example cassettes, or the like, and in particular the oblique bevels thereof in the installed state of the panels, for example cassettes, or the like, with the pressure a spring element provided with a tensioning bracket or locking tongues and a tensioning leg or a spring tongue can be acted upon in the direction of the respective support edge of the mounting rails provided with the sealing means, whereby the cassettes or the like not only contribute to the sealing relative to the mounting rails due to their own weight, but for example A good sealing effect can be ensured even with slight overpressure in the clean room.
  • the spring elements can be inserted into the support rails, which are preferably designed as a C-profile that is open at the top, with elastic deformation of the tensioning bracket or locking tongues.
  • the spring element according to the invention which can also be used with suspended ceilings of a different construction, preferably has an inner base of the base section adjacent to the mounting rail, to which adjoining clamping brackets pointing obliquely outwards or locking tongues pointing obliquely inwards and which engage under the support edges on both sides. This provides the spring element with a simple design a secure fit in the mounting rail.
  • the respective clamping bracket or the base section can be followed by a clamping leg or spring tongue which runs upwards from the base section and which supports the support edges of the mounting rail and cassette or the like with an outwardly angled extension or Overlaps and preferably has an exciting effect on the oblique fold. In this way, the desired contact pressure is achieved, the interior of the C-profile-shaped mounting rail being largely kept free.
  • the tensioning bracket can have four bracket sections bent approximately in a rectangle, of which the first and the third - viewed obliquely upwards from the bottom of the mounting rail, the second extends at an angle between the longitudinal side wall and the support edge of the mounting rail and the fourth at the bottom of the mounting rail.
  • the respective clamping leg can connect to the fourth bracket section in order to have the desired deformability for assembly, but also to perform the required clamping function.
  • the cassette, or the like has a clamping section which is angled outward approximately parallel to the bottom of the mounting rail, preferably acting on the oblique fold of the cassette or the like, and has an adjoining clamping section - seen from the bottom of the mounting rail - preferably obliquely upwards inwards pointing handling section.
  • the clamping leg thus reliably performs a clamping and centering function, but can also be released from its clamped fit at the same time.
  • the support rails 1 have on their end walls 15 in the longitudinal direction angled support flanges 3, which are provided with slot-shaped recesses 4, engage in the retaining lugs 5 of the node elements 2.
  • the node elements 2 essentially consist of a support element 6, from which the retaining lugs 5 are angled upwards, a box-shaped sealing body 8, which forms support surfaces 18 for the support flanges 3 and has angled side walls 19, and a viewing cover 9, which is from below can be plugged onto the sealing body 8.
  • the support rails 1 are pressed in the region of their support flanges 3 by means of a cross-shaped clamping element 7 in the direction of the support surfaces 18.
  • the clamping element 7 has clamping edges 21 which are angled downwards and which engage between the retaining lugs 5.
  • the node element 2 is height-adjustable on a threaded rod 10, onto which the support element 6 can be screwed with the aid of a nut 41 attached to it.
  • the height of the node element 2 on the threaded rod 10 is determined by means of a lock nut 13.
  • the clamping element 7 is tightened with a knurled clamping nut 11. Below the clamping element 7 sits on the threaded rod 10 a sealing element 42 which tightly encloses the opening 43 of the Clamping element 7 for the threaded rod 10 closes airtight and dustproof.
  • the end edges 12 of the support flanges 3 of the mounting rails 1 are provided with a miter 14. At the upper edges of the longitudinal side walls 16 of the mounting rails 1 are located after internally angled support edges 17.
  • a sealing strip 20 runs in the longitudinal direction on the top of the support edges 17 and in the transverse direction on the underside of the support flanges 3 between the support flange 3 and the support surface 18, in that it is passed in one piece through the joint between the miters 14.
  • the sealing tape 20 thereby rests on the bearing surfaces 18 of the node elements 2 and, supported by the clamping element 7, seals the mounting rails 1 against the node elements 2 in a horizontal plane.
  • the support element 6 projects beyond the support surfaces 18 of the sealing body 8 by a predetermined material thickness.
  • the support flanges 3 protrude inward beyond the retaining lugs 5 and come to rest there on the support element 6 - metal on metal - while the Sealing tape 20 is only provided in the area of the support surfaces 18.
  • the mounting rails 1 get a defined height relative to the node element 2 in the clamped state, so that on the one hand the sealing tape 20 is pressed together only by a predetermined amount, while on the other hand the undersides of the mounting rails 1 are flush with the underside of the viewing cover 9, which on the downwardly angled side walls 19 of the sealing body 8 is attached.
  • a web element 35 consisting of a resilient material and on the edges of each of which a sealing element 36 has a sealing element 54 can be inserted into the interior of the C-profile-shaped mounting rail 1 to the end on the node side , so that the sealing elements 36 close the upstanding joints.
  • the web element 35 made of resilient material is dimensioned such that it is slightly curved when inserted into the interior of the mounting rail 1 and thus remains clamped in the sealing position.
  • the cassettes 30 have vertical side walls 31, at the upper end of which there are angled support edges 32 which run all the way around without notching.
  • the support edges 32 are provided with bevels 33 which are inclined obliquely upwards on the inside.
  • the cassettes 30 serve to cover the ceiling panels 34. They are clamped onto the mounting rails 1 by means of spring elements 37 shown in FIGS. 3 to 6, as a result of which the support edges 32 lie sealingly against the sealing tapes 20 on the mounting edges 17 of the mounting rails 1.
  • the support edges 17 and / or 32 can be provided with projecting warts that secure the distance. In this way it can be ensured that the undersides of the mounting rails 1 are aligned with those of the cassettes 30.
  • the mounting rail 1 is cut smoothly to a fixed length at its head end facing the node element 2.
  • a frame shoe 38 is pushed tightly into the knot-side end and is fixed in place.
  • the bearing flange 3 is angled on the end wall 15 of the frame shoe 38.
  • the end wall 15 is set back somewhat in relation to the end of the mounting rail 1 in the assembled state.
  • a sealing strip 55 is inserted into the resulting space, which comes into sealing contact when the node element 2 and the mounting rail 1 are joined against the outer surface of the side wall 19 of the sealing body 8.
  • the support flange 3 is provided on both sides with a notch 50 on the inside.
  • the sealing tape 20 runs from the top of the support edges 17 via the miter 14 to the underside of the support flange 3.
  • Fig. 2 b shows another embodiment of the node element 2 and the frame shoe 38.
  • the frame shoe 38 is frictionally engaged with a clamping member 25 designed as a spring, the ends of which pass through slot-shaped recesses 29 on inward side flanges 63 of the frame shoe 38 between the inner sides of the two longitudinal side walls 16 of the mounting rail.
  • the node element 2 consists essentially of a plate-shaped support element 6, a cover 9 which can be plugged onto the support element 6 and a bow-shaped fastening element 26 which is punctured on the support element 6 and is provided on its upper side with a nut 51 which can be screwed onto a threaded rod (not shown) is.
  • the support element 6 is integrally formed around four upwardly directed retaining lugs 5, each of which is provided with a slot 22, the upper edge 23 of which has a bevel.
  • the support element 6 has a recess 27 in the middle, through which the lower leg ends of the fastening element 26 protrude.
  • the clamping element 7, like the fastening element 26, has a bow-shaped design and is provided on both legs on its underside with this slightly outwardly bent clamping edge 21, which is wider than the bearing flange 3 of the frame shoe 38, which is mitered 14.
  • the viewing cover 9 is provided on its inside with locking lugs 28 which are provided for fastening the viewing cover 9 to the support element 6.
  • the bow-shaped design of the clamping element 7 and the fastening element 26 gripped by it allows the accommodation of ceiling accessories, such as sprinklers.
  • the support edges 32 of the cassettes 30 or the like and in particular the oblique bevels 33 in the installed state of the cassettes 30 or the like are pressurized tion of the respective provided with the sealing tape 20 support edge 17 of the mounting rails 1.
  • the spring element 37 can be inserted under its elastic deformation into the support rail 1 designed as a C-profile.
  • the spring element 37 In its holding position, the spring element 37 has a base section 40 lying inside on the bottom 39 of the mounting rail 1 and, in the illustrated case, straight base section 40, which is adjoined by clamping brackets 41 which point obliquely outwards and which engage under the support edges 17 of the mounting rail 1 on both sides.
  • the respective clamping bracket 41 is followed by a clamping leg 42 running upward from the base section 40, which overlaps the support edges 17, 32 of the mounting rail 1 and cassette 30 or the like with an outwardly angled extension 43 and preferably onto the oblique fold 33 of the Cassette 30 or the like.
  • the spring element 37 shown in FIGS. 3 to 6 is formed in one piece from spring wire.
  • the tensioning bracket 41 has four bracket sections 44 to 47 which are bent approximately in a rectangle, of which the first bracket section 44 and the third bracket section 46 - viewed from the bottom 39 of the mounting rail 1 - diagonally upwards outwards, the second bracket section 45 at an angle between the longitudinal side wall 16 and support edge 17 of the mounting rail 1 and the fourth bracket section 47 runs on the bottom 39 of the mounting rail 1.
  • the spring element 37 on the one hand has a firm clamping fit inside the mounting rail 1, and on the other hand, the upward-pointing clamping legs 42 with their extension 43 can freely exert their clamping force on the oblique fold 33 of the cassette 30 or the like.
  • the tensioning leg 42 directly adjoins the fourth bracket section 47, which is subjected to a torsional force when moving sideways.
  • the approach 43 has an approximately parallel to the bottom 39 of the mounting rail 1 angled outwards to the oblique fold 33 of the cassette 30 or the like.
  • the positioning of the spring element 37 is carried out in such a way that it is first introduced from above into the interior of the mounting rail 1 with the base part 40 standing approximately parallel to the longitudinal direction of the mounting rail and then rotated in such a way that the clamping bracket 41 jams under the support edges 17 and the Clamp legs 42 protrude with their approaches 43 over the bearing edges 17 and are ready for clamping the adjacent cassettes 30 or the like.
  • FIGS. 4a-4c A further embodiment of a spring element 56 is shown in FIGS. 4a-4c.
  • the spring element 56 can be inserted into the support rail 1 designed as a C-profile under elastic deformation.
  • the spring element 56 In its holding position, the spring element 56 has a base section 57 lying inside on the bottom 39 of the mounting rail 1, which is straight in the illustrated case, to which are connected locking elements 58 which point obliquely inwards and which engage under the support edges 17 on both sides of the mounting rail 1.
  • At the base section 57 is in the middle of an upwardly extending spring tongue 59, which overlaps the support edges 17, 32 of the mounting rail 1 and cassette 30 or the like.
  • With an outwardly angled projection 61 which preferably on the oblique fold 33 of the Cassette 30 or the like.
  • the spring element 56 shown in FIGS. 4a to 4c is made in one piece from a sheet metal strip, the detents 58 and the spring tongue 59 each extending upward from the base section 57.
  • the spring element 56 on the one hand has a firm clamping fit inside the Support rail 1, on the other hand, the upward-pointing spring tongue 59 with its projection 61 can freely exert its tension force on the oblique fold 33 of the cassette 30 or the like. Practically independently of it.
  • the projection 61 has an approximately parallel to the bottom 39 of the mounting rail 1 angled outward, acting on the oblique fold 33 of the cassette 30 or the like.
  • the spring element 56 is inserted from the inside into the C-shaped profile of the mounting rail 1 until the base section 57 strikes the inside of the longitudinal side wall 16 in the region of its transition to the detents 58. The elastic catches jam on the underside of the support edge 17.
  • the respective clamping nuts 11 are first screwed onto the threaded rods 10, subsequently the clamping elements 7 and, if present, the sealing elements 52 are pushed on, then, if available, the lock nut 13 is screwed on and then the supporting element 6 with the sealing body 8 or the fastening element 26 with the support element 6 is screwed to the desired height on the threaded rod 10 and, if necessary, fixed by means of the lock nut 13.
  • the mounting rails 1, which are already provided with sealing means 20, are hung with their recesses 4 on the retaining lugs 5 of the supporting elements 6 and are moved by the clamping elements 7 by means of the clamping nuts 11 in the direction of the contact surfaces 18 of the node elements 2 with compression of the sealing means 20, if necessary until the front edge of the respective support flanges 3 on the edge of the support element 6 projecting beyond the support surfaces 18 Stop coming.
  • the underside of the mounting rails 1 forms an essentially flat surface with the underside of the viewing cover 9 placed from below onto the sealing body 8 or the supporting element 6.
  • the cassettes 30 or correspondingly dimensioned lighting elements, supply air devices, exhaust air devices or the like are inserted into the open ceiling fields 34.
  • the side walls 31 is dimensioned taking into account the material thickness of the support edges 32 and the height of the mounting rails 1 including sealant 20 so that after fixing the cassettes 30 or the like on the mounting rails 1 the underside of the cassettes 30 or the like with the undersides of the Support rails 1 and the viewing cover 9 of the node elements 2 are aligned.
  • obviously no sealing of the vertical joints between the support rails 1 and the cassettes 30 or the like is required, so that they can be kept extremely narrow.
EP89118117A 1989-02-01 1989-09-29 Plafond suspendu Withdrawn EP0380753A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU48831/90A AU615371B2 (en) 1989-02-01 1990-01-25 Clean room ceiling
NZ23228090A NZ232280A (en) 1989-02-01 1990-01-29 Suspended ceiling of intersecting grid of beams and nodal elements
JP2021924A JPH0718203B2 (ja) 1989-02-01 1990-01-31 クリーンルームの天井
US07/967,923 US5331785A (en) 1989-02-01 1992-10-28 Clean room ceiling

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3902934A DE3902934A1 (de) 1989-02-01 1989-02-01 Unterdecke
DE3902934 1989-02-01

Publications (1)

Publication Number Publication Date
EP0380753A1 true EP0380753A1 (fr) 1990-08-08

Family

ID=6373206

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89118117A Withdrawn EP0380753A1 (fr) 1989-02-01 1989-09-29 Plafond suspendu

Country Status (3)

Country Link
US (1) US5331785A (fr)
EP (1) EP0380753A1 (fr)
DE (1) DE3902934A1 (fr)

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WO2000063505A1 (fr) * 1999-04-21 2000-10-26 Georg Haag Ag Ensemble d'elements de construction servant a former une structure porteuse en treillis
EP3855069A1 (fr) * 2020-01-21 2021-07-28 Trilux GmbH & Co. KG Système de fermeture de bande lumineuse et fil

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US5768843A (en) * 1996-10-21 1998-06-23 Dziedzic; Jerome J. Apparatus and method for mounting suspension ceiling panels
US6871983B2 (en) * 2001-10-25 2005-03-29 Tir Systems Ltd. Solid state continuous sealed clean room light fixture
CN103261541B (zh) 2010-11-01 2016-04-13 阿姆斯特郎世界工业公司 悬吊天花板系统、固定构件及安装悬吊天花板系统的方法
EP2929986B1 (fr) 2014-03-28 2017-09-13 Black & Decker Inc. Élément elastique destiné à un actionneur avant/arrière d'un outil électrique
US10541588B2 (en) 2017-05-24 2020-01-21 Black & Decker Inc. Electronic power module for a power tool having an integrated heat sink
US10610716B2 (en) 2017-06-08 2020-04-07 Anvil International, Llc Sprinkler drop bracket for intersecting downlight
US10010731B1 (en) 2017-06-08 2018-07-03 Anvil International, Llc Sprinkler drop bracket for intersecting downlight
CA3083338A1 (fr) * 2017-11-29 2019-06-06 Armstrong World Industries, Inc. Embout pour dalle de plafond et systeme de plafond le comportant

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DE3020627A1 (de) * 1980-05-30 1981-12-03 Gema AG Apparatebau, 9015 St. Gallen Knotenbandraster-decke
CH639720A5 (en) * 1982-09-08 1983-11-30 Gema Bauelemente Panel ceiling
DE3500258A1 (de) * 1985-01-05 1986-07-17 Klima und Kälte GmbH Beratung und Vertrieb für Klima- und Kältetechnik, 6300 Gießen Gitterwerkdecke, insbesondere reinraumgitterwerkdecke
US4769958A (en) * 1985-12-03 1988-09-13 Limp Edgar W Clean-room suspended ceiling

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000063505A1 (fr) * 1999-04-21 2000-10-26 Georg Haag Ag Ensemble d'elements de construction servant a former une structure porteuse en treillis
EP3855069A1 (fr) * 2020-01-21 2021-07-28 Trilux GmbH & Co. KG Système de fermeture de bande lumineuse et fil

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US5331785A (en) 1994-07-26
DE3902934A1 (de) 1990-08-16
DE3902934C2 (fr) 1993-06-09

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