CN102770612B - Closable fire protection opening for drywall construction - Google Patents
Closable fire protection opening for drywall construction Download PDFInfo
- Publication number
- CN102770612B CN102770612B CN201180008528.8A CN201180008528A CN102770612B CN 102770612 B CN102770612 B CN 102770612B CN 201180008528 A CN201180008528 A CN 201180008528A CN 102770612 B CN102770612 B CN 102770612B
- Authority
- CN
- China
- Prior art keywords
- lid
- fire
- fighting
- opening
- edge
- 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 - Fee Related
Links
- 238000010276 construction Methods 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims description 13
- 239000002557 mineral fiber Substances 0.000 claims description 6
- 239000011507 gypsum plaster Substances 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F19/00—Other details of constructional parts for finishing work on buildings
- E04F19/08—Built-in cupboards; Masks of niches; Covers of holes enabling access to installations
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention relates to a closable fire protection opening (1) for drywall construction, comprising a panel (2) having an opening (3), a cover (4) for covering the opening (3), wherein the panel (2) has an opening edge (5) defining the opening (3) and the cover (4) has a cover edge (6), and a fire protection cover (7), wherein an interlocking connection is formed between the opening edge (5) and the cover edge (6) in such a manner that in the assembled state the cover (4) is retained in the opening (3) and the fire protection cover (7) rests on a frame (8) associated with the panel (2).
Description
Technical field
The present invention relates to a kind of for dry construction (construction) can closed fire-fighting mouth, comprise and there is the wall panel (panel) of opening and comprise for covering the lid of described opening, wherein, described wall panel has the edge of opening that defines described opening, and described lid has the edge of lid, the described fire-fighting lid that can closed fire-fighting mouth also comprise.
Background technology
Dry construction system can produce the structure for interior construction, for example, for the manufacture of wall and ceiling.Here, the industrial semiproduct such as gypsum plaster board and shape are used for dry construction technique.By which, likely cheap, construction is fast especially the construction of interior wall, partition wall and the ceiling of non-load-carrying, for example suspended ceiling.These constructions usually comprise facility (installations), for example electric, ventilation, sanitary fittings.After described construction completes, these facilities are hidden in described dry construction system.For the object of maintenance, in order still to get at described facility, knownly in wall or ceiling, provide inspection hole, described inspection hole makes to check and the inside that enters described construction becomes possibility.Described inspection hole usually has the lid to framework via chain connection.If desired meet fire-fighting demand, fire-fighting mouth rather than inspection hole are provided.Known fire-fighting mouth has above-described inspection hole, and wherein said inspection hole provides extra fire-fighting lid, and except trap (flap), described fire-fighting lid covers described mouthful.
The described fire-fighting mouth of flap type design has such shortcoming: they produce complicated and thereby expensive.They also have relatively high weight.
Summary of the invention
The object of the invention is to develop a kind of closeable fire-fighting mouth, produce simple, cheap and there is light weight.
Feature by claim 1 realizes described object.Dependent claims relates to useful embodiment.
In order to realize described object, between described edge of opening and described lid edge, produce form fit, like this, when in installment state, described cover remains in described opening.In addition, described fire-fighting lid rests on the framework of distributing to described wall panel.Except described lid, described fire-fighting lid is closed described opening, makes a plurality of lids be sequentially set and be formed for the obstruction to flue gas.As the result of form fit, described lid is maintained in described opening in automatic mode, wherein without extra holding element.Especially, if described fire-fighting mouth is used in ceiling, described lid is because gravity is maintained in described opening with automated manner.Owing to not needing extra holding element or like, described fire-fighting mouth only has assembly seldom, particularly, in the embodiment simplifying most, substantially only has wall panel, lid and fire-fighting lid with framework.Can save for reinforcing described fire-fighting mouth and for keeping stiffening frame and the tightening member for covering of hinge.By this way, it is simple especially and cheap that fire-fighting mouth is produced, and has light especially weight.Form fit is preferred, only by the shaping of wall panel and lid, is produced, and makes to save extra form fit element.Further advantage that can closed fire-fighting mouth according to the present invention is its little structure height.This structure height of fire-fighting mouth is to be defined by wall panel, framework and the structure height that is arranged on fire-fighting on framework lid.By this way, even can only exist the place in very limited available installation (installation) space to use described fire-fighting mouth.
Each all can have the first major opposing side and the second major opposing side wall panel and lid, and described edge of opening can be formed, and makes the cross sectional area of described opening on described the first major opposing side be less than the cross sectional area of described the second major opposing side.In the present embodiment, lid edge is formed, and makes the described cross sectional area covering on described the first major opposing side be greater than the cross sectional area on described the second major opposing side.Preferred situation is: the cross sectional area of the first major opposing side of described opening is corresponding to the cross sectional area of the first major opposing side of described lid, and the cross sectional area of the second major opposing side of described opening is corresponding to the cross sectional area of the second major opposing side of described lid.For described lid is installed, described lid is placed in described opening, described opening comes from the space of the second major opposing side of distributing to described opening.Due to the less cross section of described opening on the first major opposing side, described lid can not fall through described opening, and in the situation of ceiling construction, described lid is because gravity is maintained in described opening with automated manner.
Described edge of opening and described lid edge can be about compatibly forming each other.This produces ultra-safe form fit, and first described lid is remained in described opening safely, secondly can not be blocked in described opening.It is also favourable between described wall panel and described lid, only forming little gap.
Profile (profiled) can be made in described edge of opening and described lid edge, wherein, described in to make profile be while making to check with cross section, described edge of opening and described lid edge be bracing (overlap) each other at least in part.For this purpose, from described edge of opening and/or from described lid edge, form at least one or more lug.A lug is preferably around form.Described lug can provide different radiuses.This causes large bracing and thus the safety of described lid is kept.In another embodiment, described beginning edge and described lid edge can be the forms on inclined-plane.The production of such form is simple especially.Be also contemplated that in each situation and be formed with at least one ladder from described edge of opening and described lid edge.Here, described lid in the mode defining especially, fasten that (latch) enter with a bolt or latch can't be blocked in described opening.Described edge of opening and described lid edge can also be formed, and make in conjunction with a plurality of or all above-mentioned design elements.Above-described embodiment all has advantage: described lid no longer flushes with described wall panel, and described lid especially can not protrude one that surpasses in two major opposing sides of described wall panel.In addition, in the present embodiment, the described joint being formed by described edge of opening and described lid edge is not especially subject to the impact of cigarette, because formed a kind of labyrinth (labyrinth).
Described opening and described lid can be triangle, rectangle or polygon form.Leg-of-mutton lid is easy operating especially, and can especially be easy to get at hidden facility by oblong openings.The in the situation that of oblong openings and lid, especially, in the situation of the square form of right and wrong, described lid can be easy to remove by described opening.
Due to the opening of described wall panel and the rectangle of described lid, triangle or polygonal basic configuration, can provide straight part, and the straight part of described wall panel and/or described lid can connect via circular portion.If use fragile material, in sharp edges part, especially at straight part and the acute angle place that meets, has the tendency of breaking of increase.In order to reduce the tendency of breaking, straight part is connected to each other via circular portion.Described circular portion has radius.Described radius is preferably between 1cm and 10cm.Radius within the scope of this reduces the tendency of breaking, and without too large degree reduce the size of described opening.
Described opening and described lid all can have circular or oval-shaped basic configuration.In the situation of circular design, the situation of avoiding straight part to meet at acute angle place, this is suitable, especially when the fragile material having used such as gypsum.This has greatly the tendency of breaking increasing, especially in the corner of sharp edges.
The height of described framework is preferably selected as making, when described fire-fighting is covered in installment state, between described wall panel and described fire-fighting lid, forming assembly space.In order to close fire-fighting mouth, first fire-fighting lid is arranged on described framework necessary.Due to the height of described framework, after described fire-fighting lid installs, assembly space is retained between described wall panel, framework and fire-fighting lid, makes described lid to be inserted in described space and to be then placed in described opening by described opening.For this purpose, the height of described assembly space is necessary to be at least equivalent to the height of described lid.If the height of described assembly space is equivalent to the twice of the height of described lid, in the process that described lid is installed, can make to process simpler.For the present embodiment, square or oval-shaped lid and opening shape are especially suitable for, because in these embodiments, and the described opening of the removable process of described lid.
Described framework can be arranged on described wall panel with described open space on separate.That is to say, between described edge of opening and the medial surface of described framework, form interval, make the area of the described cross section being defined by the medial surface of described framework be greater than the area of the cross section being defined by described opening.Here, the area of the cross section being defined by the medial surface of described framework should at least be selected as, and fire-fighting cover is installed, and the lid inserting through described opening can rotate in described assembly space.Clear space between the medial surface of the mutual opposition of described framework is preferably at least equivalent to the longest diagonal degree of described lid.In the present embodiment, the space of being defined by described wall panel, described framework and described fire-fighting lid relies on described space parallel further to increase dimensionally in the fact of the plane extension of described wall panel.By this way, the lid inserting through described opening may rotate in free space, and no matter the fire-fighting of described installation lid makes described lid to be directed to correct position with respect to described opening.
Described fire-fighting lid can be multi-part form.By this way, described fire-fighting lid easy operating also can be easy to remove and be placed on two sides of described opening from described framework, getting at hidden facility through described opening.
Described fire-fighting lid can have two covers, and described two covers adjoin to be each other arranged on described framework and along described contact and engage bracing at least in part.By this way, especially easy operating Smoke prevention are covered in described fire-fighting.By inserting fire-fighting sealer as described above, can further improve sealing action.
Described fire-fighting lid can be multilayer form.In the present embodiment, rely on the plate that forms the cover with different size, it is to be especially easy to produce that the contact of described bracing engages, and makes the plate bracing of a cover to the plate of another cover.Be also contemplated that these plates can be engaged with each other by translation.The fire-fighting lid of the multilayer for example being formed by two or more gypsum plaster boards is compared the fire-fighting increasing is provided with the fire-fighting of individual layer lid.
Described framework, lid and fire-fighting lid are preferably comprised of nonflammable material, especially gypsum plaster board, plasterboard, mineral fiber tiles and/or cement material and/or metal material, the especially nonflammable material of metal sheet form.These materials are confirmed and in fire-fighting, have useful performance in dry construction field.Surprisingly, the Ban Hegai being comprised of gypsum or cement material, has enough stability although they have high fragility, and described lid can be moved and reinstall repeatedly.Mineral fiber tiles be low flammability and there is useful sound absorption qualities.Therefore mineral fiber tiles is applicable to the construction of special ceiling.Especially, in lid and/or described fire-fighting described in each situation, cover one or more plates can with type above-mentioned, one of the plate of the type is arranged on another.Therefore, described lid can be multilayer form.
Brief Description Of Drawings
Based on accompanying drawing, by explaining in detail according to some exemplary embodiments that can closed fire-fighting mouth of the present invention, in these accompanying drawings, in each situation diagrammatically:
Fig. 1 shows the fire-fighting lid with framework and bead, and lid and fire-fighting are covered in decomposing diagram;
Fig. 2 shows according to the sectional view of the fire-fighting lid of Fig. 1;
Fig. 3 shows according to the graphics of the fire-fighting lid of Fig. 1;
Fig. 4 shows according to the plan view of the fire-fighting lid of Fig. 1.
Accompanying drawing is described
Fig. 1 show for dry construction can closed fire-fighting mouth 1.In the present embodiment, fire-fighting mouth 1 is designed to be used in ceiling, is in the construction of suspended ceiling in this case.Wall panel 2 provides opening 3, is provided with removably for covering the lid 4 of opening 3 in opening 3.Lid 4 is compatibly made with respect to opening 3, makes only to exist very circlet solderless wrapped connection to close between wall panel 2 and lid 4.Lid 4 remains in opening 3 by form fit (form fit), and wherein said form fit is to make to cover 4 only under Action of Gravity Field, to remain in wall panel 2.Fire-fighting lid 7 rests on framework 8 by form fit, and its middle frame 8 is fastened on the second major opposing side 10 of wall panel 2 and around opening 3.Framework 8 consists of the band of nonflammable material, and described band is set to multilayer, and to be centered around opening 3 surroundings around mode, and viscosity be connected to wall panel 2.Yet be also contemplated that described band can be by upper button (screwed on).Here, one in described band is placed on above another, and number is to make the height of framework 8 be equivalent to cover three times of 4 height.When installation fire-fighting covers 7, formed assembly space 17, the height of assembly space 17 is equivalent to cover the twice of 4 height.Further, framework 8 be fastened on wall panel 2 so that on framework 8 spaces from separating with opening 3.Therefore, be parallel to the plane of wall panel 2, the size of assembly space increases.Therefore, by the fire-fighting lid 7 under installment state, under installment state, lid 4 can be through opening 3 rotation then, and making to cover 4 can aim at respect to opening 3.Fire-fighting lid 7 has outstanding length at the outer of it around edge, make fire-fighting lid 7 partly bracing framework 8 and in the direction of opening 3 part sink between framework 8.The top side face of framework 8 is provided with fire-fighting sealer, if breaking out of fire, the swelling of sealing thing is also sealed the gap between fire-fighting lid 7 and framework 8.In the present embodiment, wall panel 2, lid 4, framework 8 and fire-fighting lid 7 are comprised of mineral fiber tiles.In other embodiments, wall panel 2, lid 4, fire-fighting lid 7 and framework 8 also can be comprised of other nonflammable materials, such as gypsum plaster board, plasterboard and/or cement material and/or mineral fiber tiles and/or metal material, the especially metal material of metal sheet roof covering form.It will also be appreciated that the combination of above-mentioned material.In the drawings, lid 4 is rectangular.In other embodiments, lid 4 can be circle or triangle.Oblong openings 3 due to wall panel 2 and lid 4, provides straight part 12, and the straight part 12 of wall panel and/or lid 4 connects via circular portion 13.Circular portion 13 is formed with the radius of the size that depends on opening 3, and this radius is between 1cm and 10cm.Fire-fighting lid 7 is multi-part forms, and is comprised of two covers 14,15, and described cover 14,15 adjoins each other and is arranged on framework 6 and engages 16 bracings each other partly along contact.In engaging 16, contact is provided with fire-fighting sealer.In addition the cover the 14, the 15th of fire-fighting lid 7, multilayer form.In the present embodiment, cover the 14, the 15th, two-layer form, wherein single plate is made to the size of needs to cover 7 outer edge and bring outstanding length between cover 14,15 in fire-fighting.
Fig. 2 shows the fire-fighting mouth 1 of describing in Fig. 1 with sectional view.Wall panel 2 and lid 4 all have the first major opposing side 9 and the second major opposing side 10, and wall panel 2 has the edge of opening 5 that defines opening 3, lid 4 has the edge of lid 6, wherein forms edge of opening 5, makes the cross sectional area of opening 3 on the first major opposing side 9 be less than the cross sectional area of the second major opposing side 10.
Further, form and to cover edge 6, make to cover 4 cross sectional areas on the first major opposing side 9 and be greater than the cross sectional area on the second major opposing side 10.The first major opposing side 9 points to the direction in room, and the second major opposing side 10 points to the direction of ceiling or the direction of sensing fire-fighting lid 7.Edge of opening 5 and lid edge 6 be about compatibly forming and made each other profile, wherein edge of opening 5 and lid edge 6 bracing each other at least in part as shown in cross-sectional view.For this purpose, in each situation, from edge of opening 5 with from lid edge 6, form a ladder 11.
Fig. 3 shows the graphics of the fire-fighting mouth of Fig. 1 description.Fig. 4 shows the plan view of the fire-fighting mouth 3 of Fig. 1 description.
List of numerals
1 fire-fighting mouth
2 wall panels
3 openings
4 lids
5 edge of opening
6 lid edges
7 fire-fighting lids
8 frameworks
9 first major opposing sides
10 second major opposing sides
11 ladders
12 straight parts
13 circular portions
14 covers
15 covers
16 contacts engage
17 assembly spaces
Claims (15)
- One kind for dry construction can closed fire-fighting mouth (1), comprise the there is opening wall panel (2) of (3), and comprise the lid (4) for covering described opening (3), wherein said wall panel (2) has the edge of opening (5) that defines described opening (3), and described lid (4) has the edge of lid (6), and the described fire-fighting lid (7) that can closed fire-fighting mouth (1) also comprise, it is characterized in that, between described edge of opening (5) and described lid edge (6), produce form fit, like this, when in installment state, described lid (4) is maintained in described opening (3), and described fire-fighting lid (7) rests on the framework (8) of distributing to described wall panel (2).
- 2. fire-fighting mouth as claimed in claim 1, it is characterized in that, described wall panel (2) and described lid (4) all have the first major opposing side (9) and the second major opposing side (10), and form described edge of opening (5), make described opening (3) at described cross sectional area on the first major opposing side (9), be less than the cross sectional area of described the second major opposing side (10).
- 3. fire-fighting mouth as claimed in claim 2, it is characterized in that, form described lid edge (6), make the cross sectional area of described lid (4) on described the first major opposing side (9) be greater than the cross sectional area on described the second major opposing side (10).
- 4. fire-fighting mouth as claimed in claim 3, is characterized in that, described edge of opening (5) and described lid edge (6) compatibly form each other.
- 5. the fire-fighting mouth as described in any one in claim 1-4, it is characterized in that, profile is made at described edge of opening (5) and described lid edge (6), wherein, the described profile of making is while making to check from cross section, and described edge of opening (5) and described lid edge (6) be bracing each other at least in part.
- 6. fire-fighting mouth as claimed in claim 5, is characterized in that, in each situation, from described edge of opening (5) and described lid edge (6), forms at least one ladder (11).
- 7. the fire-fighting mouth as described in any one in claim 1-6, is characterized in that, described opening (3) and the described lid (4) of described wall panel (2) all have triangle, rectangle or polygonal basic configuration.
- 8. the fire-fighting mouth as described in any one in claim 1-7, it is characterized in that, rectangle, triangle or polygonal basic configuration due to described opening (3) and the described lid (4) of described wall panel (2), can provide straight part (12), and the straight part (12) of described wall panel (2) and/or described lid (4) can connect via circular portion (13).
- 9. the fire-fighting mouth as described in any one in claim 1 to 6, is characterized in that, described opening (3) and described lid (4) have circular or oval-shaped basic configuration.
- 10. fire-fighting mouth as claimed in any one of claims 1-9 wherein, it is characterized in that, select the height of described framework (8) to be caught, when (7) are covered in described fire-fighting in installment state, between described wall panel (2) and described fire-fighting lid (7), to form assembly space (17).
- 11. fire-fighting mouths as described in any one in claim 1-10, is characterized in that, described framework (8) be arranged on described wall panel (2) upper with described opening (3) space on separate.
- 12. fire-fighting mouths as described in any one in claim 1-11, is characterized in that, described fire-fighting lid (7) is multi-part form.
- 13. fire-fighting mouths as claimed in claim 12, it is characterized in that, described fire-fighting lid (7) has two covers (14,15), described cover (14,15) adjoins that to be arranged on described framework (8) upper and engage (16) partly bracing each other along contact each other.
- 14. fire-fighting mouths as described in claim 10 or 13, is characterized in that, described fire-fighting lid (7) is multilayer form.
- 15. fire-fighting mouths as described in any one in claim 1-14, it is characterized in that, described wall panel (2), described lid (4) and described fire-fighting lid (7) are comprised of nonflammable material, especially gypsum plaster board, plasterboard, mineral fiber tiles and/or cement material and/or metal material, the especially metal material of metal sheet form.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202010002008U DE202010002008U1 (en) | 2010-02-05 | 2010-02-05 | Lockable fire protection opening for drywall construction |
| DE202010002008.5 | 2010-02-05 | ||
| PCT/EP2011/000145 WO2011095276A1 (en) | 2010-02-05 | 2011-01-14 | Closable fire protection opening for drywall construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102770612A CN102770612A (en) | 2012-11-07 |
| CN102770612B true CN102770612B (en) | 2014-12-03 |
Family
ID=42115073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180008528.8A Expired - Fee Related CN102770612B (en) | 2010-02-05 | 2011-01-14 | Closable fire protection opening for drywall construction |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP2531668B9 (en) |
| CN (1) | CN102770612B (en) |
| DE (1) | DE202010002008U1 (en) |
| DK (1) | DK2531668T3 (en) |
| IL (1) | IL221240A0 (en) |
| RU (1) | RU2531956C2 (en) |
| UA (1) | UA104234C2 (en) |
| WO (1) | WO2011095276A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011141065A1 (en) * | 2010-05-12 | 2011-11-17 | Knauf Gips Kg | Building panel, in particular for ceiling installation, and method for opening or closing an inspection opening in a building panel |
| DE202014101437U1 (en) | 2014-03-27 | 2014-04-09 | Knauf Gips Kg | An inspection cover |
| CA2892839C (en) | 2014-10-30 | 2016-02-23 | Maxam Metal Products Limited | Insert access door |
| RU183984U1 (en) * | 2018-06-15 | 2018-10-11 | Яна Вячеславовна Папе | Manhole for buildings and structures |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1555898A (en) * | 2004-01-09 | 2004-12-22 | 河南省新郑青莲电力防腐有限公司 | Automatic fire proof door controller and its control method |
| CN2764823Y (en) * | 2005-03-22 | 2006-03-15 | 刘文平 | Normal pressure totally encapsulated multi-purpose combined type sanitation water supplying tank |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1362808A1 (en) * | 1986-04-28 | 1987-12-30 | Государственный Проектный Институт "Ленинградский Промстройпроект" | Device for operating hatch |
| NL1006870C1 (en) * | 1997-08-28 | 1999-03-02 | O C S Holding B V | Multi-purpose internal ceiling tile |
| ITRN20010043A1 (en) * | 2001-07-27 | 2003-01-27 | Roberto Celli | PLASTERBOARD PANEL WITH INSPECTION OPENING AND RELATED CLOSING ELEMENT |
| US7650722B1 (en) * | 2001-12-21 | 2010-01-26 | Melesky James B | Insulation cover for attic closures |
| AT504833B1 (en) * | 2006-10-10 | 2009-09-15 | Kamleithner Maly Uta Ing Mag | FIRE SAFETY LOCK |
-
2010
- 2010-02-05 DE DE202010002008U patent/DE202010002008U1/en not_active Expired - Lifetime
-
2011
- 2011-01-14 CN CN201180008528.8A patent/CN102770612B/en not_active Expired - Fee Related
- 2011-01-14 WO PCT/EP2011/000145 patent/WO2011095276A1/en active Application Filing
- 2011-01-14 UA UAA201210479A patent/UA104234C2/en unknown
- 2011-01-14 EP EP11703123.7A patent/EP2531668B9/en active Active
- 2011-01-14 RU RU2012139493/03A patent/RU2531956C2/en not_active IP Right Cessation
- 2011-01-14 DK DK11703123.7T patent/DK2531668T3/en active
-
2012
- 2012-08-01 IL IL221240A patent/IL221240A0/en unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1555898A (en) * | 2004-01-09 | 2004-12-22 | 河南省新郑青莲电力防腐有限公司 | Automatic fire proof door controller and its control method |
| CN2764823Y (en) * | 2005-03-22 | 2006-03-15 | 刘文平 | Normal pressure totally encapsulated multi-purpose combined type sanitation water supplying tank |
Also Published As
| Publication number | Publication date |
|---|---|
| UA104234C2 (en) | 2014-01-10 |
| EP2531668A1 (en) | 2012-12-12 |
| DE202010002008U1 (en) | 2010-04-22 |
| IL221240A0 (en) | 2012-10-31 |
| EP2531668B9 (en) | 2016-09-21 |
| WO2011095276A1 (en) | 2011-08-11 |
| RU2012139493A (en) | 2014-03-10 |
| EP2531668B1 (en) | 2016-04-27 |
| CN102770612A (en) | 2012-11-07 |
| DK2531668T3 (en) | 2016-08-15 |
| RU2531956C2 (en) | 2014-10-27 |
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