CN105952340A - Steel insulating fireproof door and manufacture method thereof - Google Patents
Steel insulating fireproof door and manufacture method thereof Download PDFInfo
- Publication number
- CN105952340A CN105952340A CN201610472991.2A CN201610472991A CN105952340A CN 105952340 A CN105952340 A CN 105952340A CN 201610472991 A CN201610472991 A CN 201610472991A CN 105952340 A CN105952340 A CN 105952340A
- Authority
- CN
- China
- Prior art keywords
- door leaf
- door
- doorframe
- fire
- plastic laminated
- 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.)
- Pending
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Classifications
-
- 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
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/74—Making other particular articles frames for openings, e.g. for windows, doors, handbags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- 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
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/04—Frames for doors, windows, or the like to be fixed in openings
- E06B1/52—Frames specially adapted for doors
- E06B1/526—Frames specially adapted for doors for door wings that can be set up to open either left or right, outwards or inwards, e.g. provided with grooves for easily detachable hinges or latch plates
-
- 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
- E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
- E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
- E06B3/36—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a single vertical axis of rotation at one side of the opening, or swinging through the opening
- E06B3/362—Double winged doors or windows
-
- 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
- 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
- E06B3/72—Door leaves consisting of frame and panels, e.g. of raised panel type
-
- 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
- E06B5/164—Sealing arrangements between the door or window and its frame, e.g. intumescent seals specially adapted therefor
-
- 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
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
-
- 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
- E06B2003/704—Door leaves characterised by the filling between two external panels of mineral material which is not further specified
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Special Wing (AREA)
Abstract
The invention belongs to the field of production and manufacture of fireproof doors and particularly relates to a steel insulating fireproof door and a manufacture method thereof. The steel insulating fireproof door comprises a door frame and a door leaf, the door leaf is hinged to one side of the door frame, a surface of the door leaf and a surface of the door frame are both made with cold-rolled galvanized steel plates, the inside of the door leaf is filled with an expanded perlite fireproof plate, and an attachment joint of the door leaf and door leaf is provided with a fireproof expansion seal strip; a fire bearing face portion of the inner wall of the door frame is provided with a magnesium-silicon fireproof plate, and the side of the door leaf attached to the door frame and a fire bearing face of the door leaf are also provided with a magnesium-silicon fireproof plate, and the magnesium-silicon fireproof plates are disposed on the inner sides of the cold-rolled galvanized steel plates as the surfaces of the door frame and door leaf. The door frame and the door leaf are provided with the magnesium-silicon fireproof plates, fire resistance of the fireproof door can be improved greatly, and fire is prevented from spreading out from a door crevice.
Description
Technical field
The invention belongs to fire resistant doorsets and manufacture field, be specifically related to a kind of steel heat insulation fireproof door and
Its manufacture method.
Background technology
Existing fire metal door, the most all passes through hinge, lockset and door thereof with doorframe and door leaf
Assemble with five metals.The doorframe of fire resistant doorsets is to be directly over shear, punching press, folding by metallic plate
The working procedure processing such as curved, welding.Door leaf is the door skin shaped internal filling fire prevention to be filled out
Fill thing to process.For making door leaf have certain intensity, steel skeleton inside door leaf, has been needed to prop up
Support, in order to realize the integrity of fire resistant doorsets, meet the needs of fire resistance steel door fire endurance.So
And fireprotection layer of the prior art is often all disposed within door leaf surface (the i.e. fire surface one of door leaf
Side), but during breaking out of fire, the intensity of a fire typically can be the most climing from the gap between door leaf surrounding and doorframe
Prolonging, if not improving the fire protecting performance of this part, the fire protecting performance of door leaf is good to be more also difficult to stop
The intensity of a fire.
Summary of the invention
It is an object of the invention to provide a kind of steel heat insulation fireproof door that can be effectively improved fire protecting performance
And preparation method thereof.
For achieving the above object, the invention provides techniques below scheme:
A kind of steel heat insulation fireproof door, including doorframe and a door leaf, described door leaf is hinged on doorframe side
Bian Shang, described door leaf and door frame surface are made by cold-rolling galvanization steel plate, and by expanding treasure inside door leaf
Pearl rock PLASTIC LAMINATED is filled, and described door leaf and doorframe joint place are provided with fire-proof expansion seal strip；Doorframe inwall
Fire surface part be provided with magnesium silicon PLASTIC LAMINATED, being subject to of side that described door leaf is fitted with doorframe and door leaf
Fire face also is provided with magnesium silicon PLASTIC LAMINATED, and described magnesium silicon PLASTIC LAMINATED lays respectively at the cold rolling of doorframe and door leaf surface
Inside galvanized steel plain sheet；
The side, back of the body fire face of described doorframe is provided with deep gouge, and described door leaf is positioned at deep gouge, door leaf when cutting out
And the fire-proof expansion seal strip between doorframe is positioned at the step corner of deep gouge；
Door leaf is provided with lid seam plate, described lid seam plate away from the crack between side and the doorframe of hinge side
Cold-rolling galvanization steel plate integral type bending forming with door leaf surface；
The height of described door leaf is 2214mm, and the thickness of door leaf is 55mm, and the width of door leaf is 914mm；
The degree of depth of described doorframe is 120mm, wherein deep gouge degree of depth 55mm；
Described each magnesium silicon PLASTIC LAMINATED thickness is 5mm, and the cold-rolling galvanization steel plate thickness of door leaf is 0.8mm,
The cold-rolling galvanization steel plate thickness of doorframe is 1.2mm；
The density of described expanded perlite PLASTIC LAMINATED is 400kg/m3± 10%.
Present invention also offers a kind of manufacture method for manufacturing described steel heat insulation fireproof door:
Doorframe makes:
(1) blanking, is punched out four block length bar shaped blanks with punch press on cold-rolling galvanization steel plate；
(2) punching press, utilizes stamping machine that four blocks of blanks are struck out four channel-shaped frames；
(3) it is respectively welded at the bottom of the inner side slot of four channel-shaped frames or rivets one piece of magnesium silicon PLASTIC LAMINATED；
(4) utilize welding or riveting process that four edges frame is assembled into entirety；
Door leaf makes:
A. punching press bending technique is used to become size to meet outside the door leaf of regulation cold-rolling galvanization steel plate bending
Shell, door leaf shell is the tubular structure of upper lower open mouth, and the seam of shell is positioned on described lid seam plate；
B. weld in the inner side of left and right sides wall of door leaf shell and the fire surface of door leaf or rivet magnesium silicon
PLASTIC LAMINATED；
C. in door leaf shell, tamp expanded perlite PLASTIC LAMINATED；
D. bending riveting process is used to install top board and base plate, described top board additional at the upper and lower two ends of door leaf shell
Be all previously provided with magnesium silicon PLASTIC LAMINATED inside base plate；
Door leaf, doorframe are installed
I., hinge for fireproof is installed in doorframe side, door leaf is connected with hinge for fireproof；
II. installing door closer between door leaf and doorframe, door closer is arranged on door leaf upper end.
The method have technical effect that: the present invention is provided with magnesium silicon PLASTIC LAMINATED on doorframe, door leaf,
The fire resistance of fire resistant doorsets can be greatly improved, prevent the intensity of a fire from outwards spreading from crack between a door and its frame.
Accompanying drawing explanation
Fig. 1 is the front view of the present invention；
Fig. 2 is the A-A sectional view of Fig. 1.
Detailed description of the invention
In describing the invention, it should be noted that term " on ", D score, " left ",
Orientation or the position relationship of the instruction such as " right ", "front", "rear", " interior ", " outward " are base
In orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, and
It not to indicate or imply that the device of indication or element must have specific orientation, with specific orientation structure
Make and operate, be therefore not considered as limiting the invention.
As shown in Figure 1, 2, a kind of steel heat insulation fireproof door, including doorframe 10 and a door leaf 11, institute
State door leaf 11 to be hinged on doorframe 10 1 side, it is characterised in that: described door leaf 11 and doorframe 10
Surface is made by cold-rolling galvanization steel plate 101,111, and door leaf 11 inside is prevented fires by expanded perlite
Plate 112 is filled, and described door leaf 11 is provided with fire-proof expansion seal strip 15 with doorframe 10 joint place；Doorframe
The fire surface part of 10 inwalls is provided with magnesium silicon PLASTIC LAMINATED 20, the side that described door leaf 11 is fitted with doorframe 10
The fire surface of face and door leaf 11 also is provided with magnesium silicon PLASTIC LAMINATED 20, described magnesium silicon PLASTIC LAMINATED 20 position respectively
Inside the cold-rolling galvanization steel plate 101,111 on doorframe 10 and door leaf 11 surface.The present invention is at doorframe
10, magnesium silicon PLASTIC LAMINATED 20 it is provided with on door leaf 11, it is possible to be greatly improved the fire resistance of fire resistant doorsets,
Prevent the intensity of a fire from outwards spreading from crack between a door and its frame.
Further, the side, back of the body fire face of described doorframe 10 is provided with deep gouge, when described door leaf 11 cuts out
Being positioned at deep gouge, the fire-proof expansion seal strip 15 between door leaf 11 and doorframe 10 is positioned at the step of deep gouge
Corner.Door leaf 11 and doorframe 10 compact assembling structure, globality is preferable.
Further, door leaf 11 is provided with lid away from the crack between side and the doorframe 10 of hinge side
Seam plate 13, described lid seam plate 13 is bent into cold-rolling galvanization steel plate 111 integral type on door leaf 11 surface
Type.
Preferably, the height L1 of described door leaf 11 is 2214mm, and the thickness L2 of door leaf 11 is 55mm,
The width L3 of door leaf 11 is 914mm.Degree of depth L4 of described doorframe 10 is 120mm, and wherein deep gouge is deep
Degree 55mm.Described each magnesium silicon PLASTIC LAMINATED 20 thickness is 5mm, the cold-rolling galvanization steel plate 111 of door leaf 11
Thickness is 0.8mm, and cold-rolling galvanization steel plate 101 thickness of doorframe 10 is 1.2mm.Described expanded pearlite
The density of rock PLASTIC LAMINATED 112 is 400kg/m3± 10%.The above-mentioned fire prevention being sized to guarantee fire resistant doorsets
Grade reaches pre-provisioning request.
Present invention also offers a kind of manufacture method for manufacturing described steel heat insulation fireproof door:
Doorframe makes:
1 blanking, is punched out four block length bar shaped blanks with punch press on cold-rolling galvanization steel plate；
2 punching presses, utilize stamping machine that four blocks of blanks are struck out four channel-shaped frames；
3 are respectively welded or rivet one piece of magnesium silicon PLASTIC LAMINATED 20 at the bottom of the inner side slot of four channel-shaped frames；
4 utilize welding or riveting process that four edges frame is assembled into entirety；
Door leaf makes:
A. punching press bending technique is used to become size to meet outside the door leaf of regulation cold-rolling galvanization steel plate bending
Shell, door leaf shell is the tubular structure of upper lower open mouth, and the seam of shell is positioned on described lid seam plate 13；
B. weld in the inner side of left and right sides wall of door leaf shell and the fire surface of door leaf or rivet magnesium silicon
PLASTIC LAMINATED 20；
C. in door leaf shell, tamp expanded perlite PLASTIC LAMINATED 112；
D. bending riveting process is used to install top board and base plate, described top board additional at the upper and lower two ends of door leaf shell
Be all previously provided with magnesium silicon PLASTIC LAMINATED 20 inside base plate；
Door leaf, doorframe are installed
I., hinge for fireproof 12 is installed in doorframe 10 side, door leaf 11 is connected with hinge for fireproof 12；
II. installing door closer 14 between door leaf 11 and doorframe 10, door closer 14 is arranged on door leaf 11
Upper end.
Claims (8)
1. a steel heat insulation fireproof door, including doorframe (10) and a door leaf (11), described door leaf (11)
It is hinged on doorframe (10) side, it is characterised in that: described door leaf (11) and doorframe (10)
Surface is made by cold-rolling galvanization steel plate (101,111), and door leaf (11) is internal by expanded pearlite
Rock PLASTIC LAMINATED (112) is filled, and described door leaf (11) and doorframe (10) joint place are provided with fire prevention and expand
Sealing strip (15)；The fire surface part of doorframe (10) inwall is provided with magnesium silicon PLASTIC LAMINATED (20), described
Side and the fire surface of door leaf (11) that door leaf (11) and doorframe (10) are fitted also are provided with magnesium silicon
PLASTIC LAMINATED (20), described magnesium silicon PLASTIC LAMINATED (20) lays respectively at doorframe (10) and door leaf (11) table
Cold-rolling galvanization steel plate (101, the 111) inner side in face.
Steel heat insulation fireproof door the most according to claim 1, it is characterised in that: described doorframe (10)
Side, back of the body fire face be provided with deep gouge, described door leaf (11) is positioned at deep gouge, door leaf (11) when cutting out
And the fire-proof expansion seal strip (15) between doorframe (10) is positioned at the step corner of deep gouge.
Steel heat insulation fireproof door the most according to claim 2, it is characterised in that: door leaf (11)
It is provided with lid seam plate (13), described lid seam away from the crack between side and the doorframe (10) of hinge side
Plate (13) and cold-rolling galvanization steel plate (111) the integral type bending forming on door leaf (11) surface.
Steel heat insulation fireproof door the most according to claim 1, it is characterised in that: described door leaf (11)
Height (L1) be 2214mm, the thickness (L2) of door leaf (11) is 55mm, door leaf (11)
Width (L3) is 914mm.
Steel heat insulation fireproof door the most according to claim 4, it is characterised in that: described doorframe (10)
The degree of depth (L4) be 120mm, wherein deep gouge degree of depth 55mm.
Steel heat insulation fireproof door the most according to claim 5, it is characterised in that: described each magnesium silicon
PLASTIC LAMINATED (20) thickness is 5mm, and cold-rolling galvanization steel plate (111) thickness of door leaf (11) is 0.8mm,
Cold-rolling galvanization steel plate (101) thickness of doorframe (10) is 1.2mm.
Steel heat insulation fireproof door the most according to claim 6, it is characterised in that: described expansion treasure
The density of pearl rock PLASTIC LAMINATED (112) is 400kg/m3± 10%.
8. the system for the steel heat insulation fireproof door described in manufacturing claims 1 to 7 any one
Make method, it is characterised in that:
Doorframe makes:
(1) blanking, is punched out four block length bar shaped blanks with punch press on cold-rolling galvanization steel plate；
(2) punching press, utilizes stamping machine that four blocks of blanks are struck out four channel-shaped frames；
(3) it is respectively welded at the bottom of the inner side slot of four channel-shaped frames or rivets one piece of magnesium silicon PLASTIC LAMINATED
(20)；
(4) utilize welding or riveting process that four edges frame is assembled into entirety；
Door leaf makes:
A. punching press bending technique is used to become size to meet outside the door leaf of regulation cold-rolling galvanization steel plate bending
Shell, door leaf shell is the tubular structure of upper lower open mouth, and the seam of shell is positioned at described lid seam plate (13)
On；
B. weld in the inner side of left and right sides wall of door leaf shell and the fire surface of door leaf or rivet magnesium silicon
PLASTIC LAMINATED (20)；
C. in door leaf shell, tamp expanded perlite PLASTIC LAMINATED (112)；
D. bending riveting process is used to install top board and base plate, described top board additional at the upper and lower two ends of door leaf shell
Be all previously provided with magnesium silicon PLASTIC LAMINATED (20) inside base plate；
Door leaf, doorframe are installed
I., hinge for fireproof (12) is installed, by door leaf (11) and hinge for fireproof (12) in doorframe (10) side
Connect；
II., door closer (14), door closer (14) are installed between door leaf (11) and doorframe (10)
It is arranged on door leaf (11) upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610472991.2A CN105952340A (en) | 2016-06-22 | 2016-06-22 | Steel insulating fireproof door and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610472991.2A CN105952340A (en) | 2016-06-22 | 2016-06-22 | Steel insulating fireproof door and manufacture method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105952340A true CN105952340A (en) | 2016-09-21 |
Family
ID=56903778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610472991.2A Pending CN105952340A (en) | 2016-06-22 | 2016-06-22 | Steel insulating fireproof door and manufacture method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105952340A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106639814A (en) * | 2016-11-16 | 2017-05-10 | 铜陵狮达防火门有限责任公司 | Production technique for fire resistance steel door leaf |
| CN107724907A (en) * | 2017-11-21 | 2018-02-23 | 江苏中特防火门有限公司 | One kind fire prevention resistance taste door |
| CN109625179A (en) * | 2018-11-16 | 2019-04-16 | 天津市宝洪源机械制造有限公司 | A kind of high intensity hatch door and its manufacturing method |
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|---|---|---|---|---|
| JPH07208033A (en) * | 1994-01-21 | 1995-08-08 | Aica Kogyo Co Ltd | Wooden fireproof heat-insulating door |
| CN1978379A (en) * | 2005-12-01 | 2007-06-13 | 张迪昌 | Magnesium-silicon composite fire-proof plate and processing method for manufacturing same |
| CN201159034Y (en) * | 2008-01-31 | 2008-12-03 | 顾志良 | Fire-retardant door |
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| CN201687371U (en) * | 2010-04-07 | 2010-12-29 | 东莞市华棱安防科技有限公司 | Edge-covering free steel heat insulation fireproof door |
| CN201650042U (en) * | 2010-05-17 | 2010-11-24 | 余河新 | Steel heat insulation fire door |
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Application publication date: 20160921 |