CN109441308A - A kind of spinning and weaving workshop multilayer insulation fire resistant doorsets - Google Patents
A kind of spinning and weaving workshop multilayer insulation fire resistant doorsets Download PDFInfo
- Publication number
- CN109441308A CN109441308A CN201811114916.4A CN201811114916A CN109441308A CN 109441308 A CN109441308 A CN 109441308A CN 201811114916 A CN201811114916 A CN 201811114916A CN 109441308 A CN109441308 A CN 109441308A
- Authority
- CN
- China
- Prior art keywords
- thermal insulation
- insulation board
- fixing groove
- resistant doorsets
- fireproof door
- 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- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/002—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising natural stone or artificial stone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/047—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of fibres or filaments
-
- 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
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B3/7015—Door leaves characterised by the filling between two external panels
-
- 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
- E06B5/161—Profile members therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/105—Ceramic fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
-
- 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
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B3/7015—Door leaves characterised by the filling between two external panels
- E06B2003/7042—Door leaves characterised by the filling between two external panels with a fire retardant layer
-
- 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
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B2003/7049—Specific panel characteristics
- E06B2003/7051—Specific panel characteristics of layered construction involving different materials
Abstract
The invention discloses a kind of spinning and weaving workshop multilayer insulation fire resistant doorsets, including fireproof door plate and fireproof door frame, fireproof door plate includes reinforcing skeleton, reinforcing skeleton includes square frame, the inside of square frame is equipped with the transverse and longitudinal reinforcing rib being interspersed and the ceramic fibre being filled between reinforcing rib, the two sides for reinforcing skeleton are respectively equipped with the first thermal insulation board and the second thermal insulation board, the inside and outside ring pipe being distributed is equipped in first thermal insulation board and the second thermal insulation board, wherein glass fibre is filled in one layer of ring pipe, water is filled in another layer of ring pipe, the other side of first thermal insulation board is equipped with fire prevention inner panel, the other side of second thermal insulation board is equipped with fire prevention outside plate；The side of the fireproof door frame is equipped with flight, and the two sides of flight are respectively equipped with the first fixing groove, and the top surface of fireproof door frame is equipped with the second fixing groove, and the bottom surface of the second fixing groove is equipped with third fixing groove.The present invention has the characteristics that improve structural strength, improves flameproof effect.
Description
Technical field
The present invention relates to a kind of spinning and weaving workshop fire resistant doorsets, especially a kind of spinning and weaving workshop multilayer insulation fire resistant doorsets.
Background technique
Fire resistant doorsets refer to the door with fire resistance, can effectively play air between barrier two spaces when a fire
The diffusion for preventing dense smoke, toxic gas and hot gas is played in circulation indirectly, extends or control the sprawling of the intensity of a fire, therefore fire resistant doorsets exist
Fire plays a crucial role when occurring, currently, fire resistant doorsets are widely deployed in a variety of necks such as private residence, building, chemical industry
Domain.Common fire resistant doorsets are typically all metallic door, using the high feature of metallic door fusing point, effectively prevent the sprawling of fire, at present
The structural strength that some fire resistant doorsets in the market use is still inadequate, after burned for long time, is easy its internal material
Thermal deformation is generated, not can effectively prevent the sprawling of fire, flameproof effect is also not ideal enough.Therefore, existing fire resistant doorsets, exist
The problem that structural strength is inadequate, flameproof effect is not ideal enough.
Summary of the invention
The object of the present invention is to provide a kind of spinning and weaving workshop multilayer insulation fire resistant doorsets.The present invention has raising structure strong
Degree improves the characteristics of flameproof effect.
Technical solution of the present invention: a kind of spinning and weaving workshop multilayer insulation fire resistant doorsets, including fireproof door plate and fireproof door frame are prevented
Vent plate includes reinforcing skeleton, and reinforcing skeleton includes square frame, and the inside of square frame is equipped with the reinforcement that transverse and longitudinal is interspersed
Muscle and the ceramic fibre being filled between adjacent said rib, reinforce skeleton two sides be respectively equipped with the first thermal insulation board and second every
At least two layers inside and outside ring pipe being distributed is equipped in hot plate, the first thermal insulation board and the second thermal insulation board, wherein in one layer of ring pipe
Filled with glass fibre, water is filled in another layer of ring pipe, the other side of the first thermal insulation board is equipped with fire prevention inner panel, and second is heat-insulated
The other side of plate is equipped with fire prevention outside plate；The side of the fireproof door frame is equipped with flight, and the two sides of flight are respectively equipped with first
Fixing groove, the top surface of fireproof door frame are equipped with the second fixing groove, and the bottom surface of the second fixing groove is equipped with third fixing groove, the first fixing groove
Cross section with third fixing groove is up big and down small trapezoidal faces.
In spinning and weaving workshop multilayer insulation fire resistant doorsets above-mentioned, first thermal insulation board and the second thermal insulation board are all made of nano-pore
Siliceous heat-barrier material.
In spinning and weaving workshop multilayer insulation fire resistant doorsets above-mentioned, the fire prevention inner panel is that fire prevention perlite fills plate.
In spinning and weaving workshop multilayer insulation fire resistant doorsets above-mentioned, the bottom surface of the fire prevention inner panel offers filling slot, filling slot
Inside be filled with expansion fire-proof layer.
In spinning and weaving workshop multilayer insulation fire resistant doorsets above-mentioned, the reinforcing rib is hollow form, and the top of square frame is equipped with
The water filling port being connected to reinforcing rib, water filling port is interior to be equipped with water filling plug.
In spinning and weaving workshop multilayer insulation fire resistant doorsets above-mentioned, the ring pipe uses refractory pipe, is filled with glass fibers
The ring pipe interval of peacekeeping water is arranged.
Compared with prior art, the present invention reinforces skeleton by being arranged in fireproof door plate, reinforces the cross being arranged in skeleton
Staggered reinforcing rib is indulged to improve the intensity for reinforcing skeleton, stable structure prolongs the service life, water is injected in reinforcing rib,
Water can first play heat-absorbing action when on fire, the pottery for reducing the heat of fireproof door plate, and matching and be embedded in, being filled between reinforcing rib
Porcelain fiber improves the fire resisting for reinforcing skeleton, heat-proof quality；By being arranged inside and outside multilayer in the first thermal insulation board and the second thermal insulation board
The ring pipe of distribution is spaced in ring pipe filled with glass fibre and water, improves the resistance to of the first thermal insulation board and the second thermal insulation board
High-temperature behavior and whole stabilized structure performance；By consolidating in the side of fireproof door frame setting flight, the first fixing groove, second
Slot and third fixing groove are determined, so that connecting stronger, reduction gap, raising fire protecting performance between fireproof door frame and wall.Cause
This, the present invention has the characteristics that improve structural strength, improves flameproof effect.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram for reinforcing skeleton；
Fig. 3 is the attachment structure schematic diagram of the first thermal insulation board；
Fig. 4 is the structural schematic diagram of fireproof door frame.
The label in accompanying drawing is: 1, reinforcement skeleton；11, square frame；111, water filling port；112, water filling plug；12, reinforce
Muscle；13, ceramic fibre；2, the first thermal insulation board；21, the second thermal insulation board；22, ring pipe；23, glass fibre；24, water；3, it prevents fires
Inner panel；31, fire prevention outside plate；4, fireproof door frame；41, flight；42, the first fixing groove；43, the second fixing groove；44, third is fixed
Slot.
Specific embodiment
Below with reference to embodiment, the present invention is further illustrated, but is not intended as the foundation limited the present invention.
Embodiment.
As shown in Figs 1-4, a kind of spinning and weaving workshop multilayer insulation fire resistant doorsets, including fireproof door plate and fireproof door frame 4, fire resistant doorsets
For plate including reinforcing skeleton 1, reinforcing skeleton 1 includes square frame 11, and the inside of square frame 11 adds equipped with what transverse and longitudinal was interspersed
Strengthening tendons 12 and the ceramic fibre 13 being filled between adjacent said rib 12, it is heat-insulated that the two sides of reinforcement skeleton 1 are respectively equipped with first
At least two layers inside and outside ring pipe being distributed is equipped in plate 2 and the second thermal insulation board 21, the first thermal insulation board 2 and the second thermal insulation board 21
22, wherein being filled with glass fibre 23 in one layer of ring pipe 22, water 24, the first thermal insulation board 2 are filled in another layer of ring pipe 22
The other side be equipped with fire prevention inner panel 3, the other side of the second thermal insulation board 21 is equipped with fire prevention outside plate 31；The side of the fireproof door frame 4
Equipped with flight 41, the two sides of flight 41 are respectively equipped with the first fixing groove 42, and the top surface of fireproof door frame 4 is equipped with the second fixing groove
43, the bottom surface of the second fixing groove 43 is equipped with third fixing groove 44, and the cross section of the first fixing groove 42 and third fixing groove 44 is
Up big and down small trapezoidal faces.
First thermal insulation board 2 and the second thermal insulation board 21 are all made of nanoporous silica matter heat-barrier material.
The fire prevention inner panel 3 is that fire prevention perlite fills plate.
The reinforcing rib 12 is hollow form, and the top of square frame 11 is equipped with the water filling port 111 being connected to reinforcing rib 12, note
Water filling plug 112 is equipped in the mouth of a river 111.
The ring pipe 22 uses refractory pipe, is spaced and is arranged filled with the ring pipe 22 of glass fibre 23 and water 24.
Working principle: the present invention reinforces skeleton 1 by being arranged in fireproof door plate, reinforces the transverse and longitudinal being arranged in skeleton 1 and hands over
Wrong reinforcing rib 12 reinforces the intensity of skeleton 1 to improve, and stable structure prolongs the service life, and water 24 is injected in reinforcing rib,
Water 24 can first play heat-absorbing action when on fire, reduce the heat for reinforcing skeleton, and match and be embedded in, be filled between reinforcing rib 12
Ceramic fibre 13, improve and reinforce the fire resisting of skeleton 1, heat-proof quality；By being set in the first thermal insulation board 2 and the second thermal insulation board 21
The inside and outside ring pipe 22 being distributed of multilayer is set, is spaced in filled with glass fibre 23 and water 24 in ring pipe 22, water 24 when on fire
It can first play heat-absorbing action, reduce the heat of the first thermal insulation board 2 and the second thermal insulation board 21, cooperate glass fibre 23, improve the
The high temperature resistance of one thermal insulation board and the second thermal insulation board and whole stabilized structure performance；By being set in the side of fireproof door frame 4
It sets flight 41, the first fixing groove 42, the second fixing groove 43 and third fixing groove 44, flight 41 to protrude into inside wall, wall
Concrete enter in the first fixing groove 42, the second fixing groove 43 and third fixing groove 44, flow into smoothly so that fireproof door frame
Stronger, reduction gap, raising fire protecting performance are connected between 4 and wall.
Claims (5)
1. a kind of spinning and weaving workshop multilayer insulation fire resistant doorsets, it is characterised in that: including fireproof door plate and fireproof door frame (4), fire resistant doorsets
Plate includes reinforcing skeleton (1), and reinforcing skeleton (1) includes square frame (11), and the inside of square frame (11) interlocks equipped with transverse and longitudinal
The reinforcing rib (12) of distribution and the ceramic fibre (13) being filled between adjacent said rib (12) reinforce the two sides of skeleton (1)
Be respectively equipped with the first thermal insulation board (2) and the second thermal insulation board (21), be equipped in the first thermal insulation board (2) and the second thermal insulation board (21) to
Few two layers of inside and outside ring pipe (22) being distributed, wherein glass fibre (23) are filled in one layer of ring pipe (22), another layer of annular
Manage in (22) and be filled with water (24), the other side of the first thermal insulation board (2) is equipped with fire prevention inner panel (3), the second thermal insulation board (21) it is another
Side is equipped with fire prevention outside plate (31)；The side of the fireproof door frame (4) is equipped with flight (41), and the two sides of flight (41) are distinguished
Equipped with the first fixing groove (42), the top surface of fireproof door frame (4) is equipped with the second fixing groove (43), and the bottom surface of the second fixing groove (43) is set
Have third fixing groove (44), the cross section of the first fixing groove (42) and third fixing groove (44) is up big and down small trapezoidal faces.
2. a kind of spinning and weaving workshop multilayer insulation fire resistant doorsets according to claim 1, it is characterised in that: first thermal insulation board
(2) and the second thermal insulation board (21) is all made of nanoporous silica matter heat-barrier material.
3. a kind of spinning and weaving workshop multilayer insulation fire resistant doorsets according to claim 1 or 2, it is characterised in that: in the fire prevention
Plate (3) is that fire prevention perlite fills plate.
4. a kind of spinning and weaving workshop multilayer insulation fire resistant doorsets according to claim 1, it is characterised in that: the reinforcing rib (12)
For hollow form, the top of square frame (11) is equipped with the water filling port (111) being connected to reinforcing rib (12), sets in water filling port (111)
There are water filling plug (112).
5. a kind of spinning and weaving workshop multilayer insulation fire resistant doorsets according to claim 1, it is characterised in that: the ring pipe (22)
Using refractory pipe, the ring pipe (22) filled with glass fibre (23) and water (24) is spaced setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811114916.4A CN109441308A (en) | 2018-09-25 | 2018-09-25 | A kind of spinning and weaving workshop multilayer insulation fire resistant doorsets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811114916.4A CN109441308A (en) | 2018-09-25 | 2018-09-25 | A kind of spinning and weaving workshop multilayer insulation fire resistant doorsets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109441308A true CN109441308A (en) | 2019-03-08 |
Family
ID=65533004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811114916.4A Withdrawn CN109441308A (en) | 2018-09-25 | 2018-09-25 | A kind of spinning and weaving workshop multilayer insulation fire resistant doorsets |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109441308A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854149A (en) * | 2019-03-14 | 2019-06-07 | 宁波新力强门业有限公司 | A kind of box fire resisting door body of row |
-
2018
- 2018-09-25 CN CN201811114916.4A patent/CN109441308A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854149A (en) * | 2019-03-14 | 2019-06-07 | 宁波新力强门业有限公司 | A kind of box fire resisting door body of row |
| CN109854149B (en) * | 2019-03-14 | 2024-01-30 | 宁波新力强门业有限公司 | Box type fire-resistant door body |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103064163A (en) | Flame-retardant and fire-resistant optical cable | |
| CN202047589U (en) | Isolation-type fireproof composite heat-insulating template for cast-in-place concrete | |
| CN109441308A (en) | A kind of spinning and weaving workshop multilayer insulation fire resistant doorsets | |
| CN203320884U (en) | Basalt fiber reinforced foamed cement thermal insulation decorative board | |
| CN211873315U (en) | Foaming cement board with crack control function | |
| CN209398272U (en) | Spinning and weaving workshop heat-insulating flame-retardant fireproof door plate | |
| CN209620666U (en) | A kind of unsymmetric structure fireproof blocking of converter transformer valve-side sleeve valve hall hole | |
| JP6477288B2 (en) | Glass melting furnace and method for keeping temperature of glass melting furnace | |
| KR102275607B1 (en) | Triple panel structure with fire resistance, heat insulation, and sound absorption | |
| CN101929204B (en) | Polyphenyl board cavity-free fireproofing external wall thermal insulation system | |
| Mazzucchelli et al. | Fire safety issues in high-rise building façades | |
| CN103883097A (en) | Insulation decorative plate | |
| CN209837396U (en) | Wall structure based on integrated composite heat-insulation external formwork | |
| CN203049886U (en) | Composite inorganic self-heat preservation building blocks | |
| CN206862127U (en) | A kind of refractory brick | |
| CN109138778A (en) | A kind of spinning and weaving workshop heat-insulating flame-retardant fireproof door plate | |
| CN213041023U (en) | High-temperature-resistant castable prefabricated part | |
| CN205024950U (en) | Fire -resistant heat insulating cement board of high strength | |
| CN220725418U (en) | Fireproof outer wall adopting graphite heat-insulating plate | |
| CN217500669U (en) | High-strength light mullite brick | |
| CN215407109U (en) | Foamed ceramic decorative and heat-preservation integrated board | |
| CN205475817U (en) | Wall structure who gives sound insulation and prevent fires | |
| CN109882049A (en) | A kind of fireproof door frame fill method | |
| CN212104355U (en) | Same-floor drainage pipe fitting | |
| CN209837393U (en) | Isolated fire prevention compound incubation exterior sheathing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190308 |
|
| WW01 | Invention patent application withdrawn after publication |