CN107178278A - A kind of bivalve door with middle seam sealing structure - Google Patents
A kind of bivalve door with middle seam sealing structure Download PDFInfo
- Publication number
- CN107178278A CN107178278A CN201710613253.XA CN201710613253A CN107178278A CN 107178278 A CN107178278 A CN 107178278A CN 201710613253 A CN201710613253 A CN 201710613253A CN 107178278 A CN107178278 A CN 107178278A
- Authority
- CN
- China
- Prior art keywords
- angle steel
- support
- middle seam
- wing plate
- adhesive tape
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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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
- 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
- E06B3/365—Astragals for double doors
-
- 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
-
- 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
- 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
- E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Corner Units Of Frames Or Wings (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention provides a kind of bivalve door with middle seam sealing structure, what the support component that is connected including left and right door leaf, with right door leaf and being fanned with left-hand door was connected holds down assembly, support component includes support angle steel and edge of a knife angle steel, one wing plate of support angle steel is welded on the unlatching side of right door leaf and another wing plate protrudes from right door leaf wainscot, and edge of a knife angle steel is fixed on the inside of the support angle steel and one of wing plate has a free margins；Hold down assembly including middle seam adhesive tape and fastener, middle seam adhesive tape is provided with inclined-plane, the free margins and the inclined-plane extrusion fit close to middle seam side.Sealing structure is stitched in the two-door fan that the present invention is provided to weld by using section bar such as angle steel, exempts edge of a knife bar blanking, while the integral solder non-deformability of angle steel is significantly better than common steel bar, welding precision is easily guaranteed that, so as to improve production efficiency；Sealing strip is installed using assembled, removes the process of welding adhesive tape bayonet socket from, makes that its sealing structure installation and debugging is convenient, maintenance is easy.
Description
Technical field
The present invention relates to a kind of two-door fan of people's air defense, relate more specifically to a kind of bivalve door with middle seam sealing structure.
Background technology
When biparting closed guard gate closes, two door leafs are closed by left and right door leaf sequencing.Seal form is stitched in current two-door fan,
It is in right door leaf skeleton edge steel wing plate vertical welding adhesive tape bowl assembly.The adhesive tape bowl assembly is specific as shown in figure 1, being in You Men
Vertical welding angle steel 101 on the channel airfoil plate of ribs of the fan frame side, then welds adhesive tape bayonet socket 102 with common with angle steel 101 on angle steel 101
Isomorphism is equipped with adhesive tape 103 into adhesive tape groove, and in angle steel, and wherein adhesive tape bayonet socket 102 is tilted to be prevented with preferably compressing sealing joint strip
Only it comes off, and plays a part of a baffle plate.Door leaf edge of a knife bar 104 is then welded on left door leaf skeleton, is closed the door using left and right
Sequentially, first right door leaf is closed, then left-hand door fan closing comes again, glue is extruded by edge of a knife bar 104 during closing
Adhesive tape 103 in bar groove completes sealing.Adhesive tape bayonet socket and edge of a knife bar are band steel, it is necessary to further be added by blanking link
Work, production efficiency is relatively low.In addition, welding adhesive tape groove on adhesive tape bayonet socket 102 during because adhesive tape bayonet socket 102 is longer
And tilt at an angle, so welding precision it is difficult to ensure that, easily there is welding deformation in steel bar, so as to influence sealing joint strip
Assembling and sealing.
The content of the invention
The present invention is intended to provide a kind of bivalve door with middle seam sealing structure, to ensure welding precision, improves production effect
Rate, it is convenient to install.
To achieve these goals, the invention provides a kind of bivalve door with middle seam sealing structure, including doorframe, a left side
Door leaf, right door leaf, the support component being connected with right door leaf and with left-hand door fan be connected hold down assembly, it is characterised in that the branch
Support component includes support angle steel and edge of a knife angle steel, and the first wing plate of support angle steel is welded on the unlatching side of right door leaf and second
Wing plate is parallel and protrudes from the wainscot of right door leaf, and the edge of a knife angle steel is fixed on the inside of the support angle steel and one of wing plate
With a free margins；It is described to hold down assembly on the wainscot fanned located at left-hand door, including adhesive tape and its fastener are stitched in one；It is described
Middle seam adhesive tape is provided with an inclined-plane, the free margins of edge of a knife angle steel and the inclined-plane extrusion fit close to middle seam side.
The outside of another wing plate of the edge of a knife angle steel is welded with the first wing plate of the support angle steel, right-angle side and branch
The second wing plate welding of support angle steel.
The wing plate with free margins of the edge of a knife angle steel is in 25 ° -40 ° with the angle of the wing plate of support angle steel second.
The support component, the length and left and right door leaf that hold down assembly in vertical direction are highly consistent.
The support component is also included located at the support blob of viscose between the support angle steel and doorframe.
The support blob of viscose is two pieces, is respectively arranged on the top and bottom of support angle steel.
The upper and lower ends of the middle seam adhesive tape are equipped with protuberance, the appearance of the support blob of viscose of its raised face and support component
Face is flushed.
Ω sealings are equipped with left-hand door fan, the upper and lower edge of wainscot of right door leaf and close to the side edge of side door frame
Adhesive tape, its width is less than the length of support blob of viscose vertical direction, highly the second wing plate more than support angle steel；The Ω fluid sealants
The end face of bar is close to the side of support blob of viscose and middle seam adhesive tape respectively.
The edge of a knife angle steel is unequal angle, and there is the wing plate of free margins to be short limb plate for it；The support angle steel is not
Equal leg angle, its first wing plate is short limb plate and the second wing plate is long wing plate.
The fastener held down assembly includes an adhesive tape pressing plate and multiple long spiro nails, and the adhesive tape pressing plate is adjacent to institute
The outside of middle seam adhesive tape is stated, the long spiro nail is connected solid with the door leaf wainscot that left-hand door is fanned through the pressing plate and the adhesive tape
It is fixed.
Sealing structure is stitched in the two-door fan that the present invention is provided by the way that existing edge of a knife bar steel bar is welded, is changed to using conventional
Section bar such as angle steel is welded, and exempts edge of a knife bar blanking link, improves production efficiency；The integral solder non-deformability of angle steel is big simultaneously
It is better than common steel bar greatly, welding precision is easily guaranteed that, beneficial to sealing, removes the trimming process of postwelding from, improves production efficiency；Sealing
Strip adoption assembled is installed, and is removed welding adhesive tape bayonet socket from the process of fixing seal bar, is made its integral seal structure installation and debugging
Convenient, maintenance is easy.
Brief description of the drawings
Fig. 1 is the schematic diagram of the middle seam sealing structure of prior art；
Fig. 2 is that the local axle of the bivalve door according to an embodiment of the invention with middle seam sealing structure measures meaning
Figure；
Fig. 3 is the cross section enlarged diagram of the support component of the bivalve door with middle seam sealing structure as shown in Figure 2；
Fig. 4 is the structural representation held down assembly of the bivalve door with middle seam sealing structure as shown in Figure 2；
Fig. 5 is the overall schematic of the bivalve door with middle seam sealing structure as shown in Figure 2.
Embodiment
Below in conjunction with the accompanying drawings, presently preferred embodiments of the present invention is provided, and is described in detail.
It is illustrated in figure 2 the middle seam sealing of the bivalve door according to an embodiment of the invention with middle seam sealing structure
The schematic top plan view of structure.As shown in Fig. 2 doorframe should be included with the middle seam sealing structure of the bivalve door of middle seam sealing structure
(not shown), left-hand door fan 11, right door leaf 12, with right door leaf 12 open side 121 weld support component 2 and by long spiro nail with
Left-hand door fan 11 connection holds down assembly 3.Support component 2, hold down assembly 3 vertical direction length and left and right door leaf 11,12 it is high
Degree is consistent.
Fig. 2 is referred to again, and support component 2 includes being welded on branch of the unlatching side 121 of right door leaf 12 at wainscot
Support angle steel 21, the edge of a knife angle steel 22 located at the inner side of support angle steel 21.Support angle steel 21 is extended not using door leaf short transverse
Equal leg angle, length is highly equal with door leaf, and its side of short limb plate 211, which is adjacent to, to be welded on the unlatching side 121 of right door leaf 12,
The long place face of wing plate 212 is parallel and protrudes from right door leaf wainscot 121.Support angle steel 21 and the attachment structure of edge of a knife angle steel 22 tool
Body is isometric with support angle steel as shown in figure 3, the edge of a knife angle steel 22 uses unequal angle, the outside 2221 of its long wing plate 222 with
The inner surface welding of support angle steel short limb plate 211, the inner surface of right-angle side 2222 and long wing plate 212 is welded, edge of a knife angle steel 22
Short limb plate 221 has a free margins, and the angle of the short limb plate 221 and the long wing plate 212 of support angle steel of the edge of a knife angle steel 22 is in
25 ° -40 °, in the present embodiment preferably 30 °.
3 are held down assembly on the wainscot that left-hand door fans 11, its concrete structure in one as shown in figure 4, including stitching adhesive tape
31st, an adhesive tape pressing plate 32 and multiple long spiro nails 33.Middle seam adhesive tape 31 vertically extends and length is equal with support angle steel,
Its inner face is adjacent to the wainscot 111 of left-hand door fan 11, the edge of one side alignd with the unlatching side 112 of left-hand door fan 11 and relative to
The unlatching side 112 is provided with an inclined ramp 311 so that when door leaf is closed, and first closes the right door leaf with support component in place,
11 it will be fastened provided with the 3 left-hand door fan of holding down assembly again, the skew back face 311 of middle seam adhesive tape 31 and the free margins pressure of edge of a knife angle steel 22
Tightly, the sealing stitched in door leaf is realized.Adhesive tape pressing plate 32 uses band steel, provided with multiple screw holes, and pressing plate 32 is close to outside adhesive tape, long
The door leaf wainscot that screw 33 fans 11 through pressing plate 32 and adhesive tape 31 with left-hand door is connected.Preferably, adhesive tape pressing plate 32 is set
The lateral edges stitched in remote door leaf outside adhesive tape.
Using this middle crack structure, it can avoid welding adhesive tape groove, eliminate blanking link, sealing joint strip can be assembled directly
On door leaf；Due to angle steel, non-deformability is good compared with edge of a knife bar in welding process, simplifies the difficulty of processing of middle seam.
In order to ensure the sealing between the support angle steel 21 and doorframe when closing the door on door leaf at middle seam, such as Fig. 5 institutes
Show, the support component 2 is also included located at the support blob of viscose 231,232 between the support angle steel 21 and doorframe.Due to being closed in door leaf
When closing, doorframe is only overlapped with support component 2 in the upper and lower ends of support angle steel 21, so support blob of viscose is only located at strut angle
The upper and lower ends of steel 21, including upper blob of viscose 231 and lower blob of viscose 232, to save material.Concrete structure such as Fig. 2 institutes of upper blob of viscose 231
Show.Blob of viscose 231 from left to right be close to the outside of support angle steel 21 and be close to the inner face of right door leaf 12 respectively successively by semi-surrounding on this
Plate.The structure of lower blob of viscose 232 is consistent with the structure of upper blob of viscose 231.The upper upper section alignment support angle steel upper section of blob of viscose 231, and
And the lower lower section alignment support angle steel lower section of blob of viscose 232, to ensure that door leaf is sealed.
In order to ensure the sealing of door leaf, 3 upper and lower ends of middle seam adhesive tape 31 of holding down assembly are equipped with protuberance 312.If
In it is middle seam adhesive tape 31 upper end protuberance 312 concrete structure as shown in Figure 2 and Figure 4, protuberance 312 towards away from left-hand door fan 11
Direction protrude, and its raised face 3121 and support component support the outer surface of blob of viscose 231,232 (for example, upper shown in Fig. 2
The outer surface 2311 of blob of viscose 231) flush, to avoid there is gap between upper blob of viscose and two faces of middle seam adhesive tape jointing.It is located at
The protuberance 312 of the lower end of middle seam adhesive tape 31 is consistent with its structure.
Refer to Fig. 5 again, in order to realize the sealing of door leaf, left-hand door fan 11, the upper and lower edge of wainscot of right door leaf 12 and
Side edge close to side door frame is equipped with Ω sealing joint strips 13 so that when door leaf is closed, doorframe is pressed with Ω sealing joint strips 13
Tightly, for door leaf 11,12 wainscot and doorframe overlap joint and sealing.The length of upper blob of viscose 231, the vertical direction of lower blob of viscose 232
More than the width of door leaf Ω sealing joint strips 13, to prevent Ω sealing joint strips Ω sealing joint strips and blob of viscose side up and down in compression process
Occur gap, influence door leaf sealing between the binding face of face.In addition, as shown in figure 5, Ω sealing joint strips 13 are higher than support angle steel 21
Long wing plate 212 so that doorframe can be while extrude upper strip 231, under strip and Ω sealing joint strips 13, with door when closing the door
Fan realizes that door leaf is sealed while closing；The Ω sealing joint strips 13 of wainscot top edge, lower edge located at right door leaf 12, it is leaned on
The end face stitched in nearly door leaf is close to upper blob of viscose 231, the side of lower blob of viscose 232 accordingly respectively；Located at the inner face of left-hand door fan 11
The Ω sealing joint strips 13 of plate top edge, lower edge, its end face stitched in door leaf is close to corresponding middle seam adhesive tape 31 respectively
Side, for realizing Ω sealing joint strips and the sealing of blob of viscose side up and down.
Above-described, only presently preferred embodiments of the present invention is not limited to the scope of the present invention, of the invention is upper
Stating embodiment can also make a variety of changes, for example, the replaceable sealing into other forms of Ω sealing joint strips, such as edge of a knife bar+close
The sealing of seal strip or the solid adhesive tape sealing of similar Ω shapes.I.e. every claims according to the present patent application and say
Simple, equivalent changes and modifications that bright book content is made, fall within the claims of patent of the present invention.The present invention is not
Detailed description is routine techniques content.
Claims (10)
1. a kind of bivalve door with middle seam sealing structure, including doorframe, left-hand door fan (11), right door leaf (12) and right door leaf
(12) support component (2) of connection and (11) holding down assembly (3) of being connected is fanned with left-hand door, it is characterised in that the support component
(2) support angle steel (21) and edge of a knife angle steel (22) are included, the first wing plate (211) of support angle steel (21) is welded on right door leaf (12)
Unlatching side (121) on and the second wing plate (212) is parallel and protrude from the wainscot of right door leaf (12), the edge of a knife angle steel
(22) it is fixed on the inside of the support angle steel (21) and its first wing plate (221) has a free margins；Hold down assembly (3) are located at
Adhesive tape (31) and its fastener (32,33) are stitched on the wainscot of left-hand door fan (11), including in one；The middle seam adhesive tape (31) is leaned on
Seam side is provided with an inclined-plane (311) near, the free margins of edge of a knife angle steel (22) and inclined-plane (311) extrusion fit.
2. the bivalve door according to claim 1 with middle seam sealing structure, it is characterised in that the edge of a knife angle steel (22)
The first wing plate (211) of outside (2221) and the support angle steel of the second wing plate (222) weld, right-angle side (2222) and branch
The second wing plate (212) welding of support angle steel.
3. the bivalve door according to claim 2 with middle seam sealing structure, it is characterised in that the tool of the edge of a knife angle steel
The angle for having the wing plate (221) of free margins and the second wing plate (212) of support angle steel is in 25 ° -40 °.
4. the bivalve door according to claim 1 with middle seam sealing structure, it is characterised in that the support component (2),
Hold down assembly (3) it is highly consistent in the length and left and right door leaf (11,12) of vertical direction.
5. the bivalve door according to claim 4 with middle seam sealing structure, it is characterised in that the support component (2)
Also include being located at support blob of viscose (231,232) of the support angle steel (21) between doorframe.
6. the bivalve door according to claim 5 with middle seam sealing structure, it is characterised in that the support blob of viscose
(231,232) it is two pieces, is respectively arranged on the top and bottom of support angle steel (21).
7. the bivalve door according to claim 5 with middle seam sealing structure, it is characterised in that the middle seam adhesive tape (31)
Upper and lower ends be equipped with protuberance (312), the appearance of the support blob of viscose (231,232) of its raised face (3121) and support component
Face is flushed.
8. the bivalve door according to claim 5 with middle seam sealing structure, it is characterised in that fan (11), the right side in left-hand door
The side edge of the upper and lower edge of wainscot of door leaf (12) and close side door frame is equipped with Ω sealing joint strips (13), its width
Less than the length of support blob of viscose (231,232) vertical direction, highly the second wing plate (212) more than support angle steel (21)；It is described
The end face of Ω sealing joint strips (13) is close to the side of support blob of viscose (231,232) and middle seam adhesive tape (31) respectively.
9. the bivalve door according to claim 1 with middle seam sealing structure, it is characterised in that the edge of a knife angle steel (22)
For unequal angle, there is the wing plate (221) of free margins to be short limb plate for it；The support angle steel (21) is unequal angle, its
First wing plate (211) is short limb plate and the second wing plate (212) is long wing plate.
10. the bivalve door according to claim 1 with middle seam sealing structure, it is characterised in that described to hold down assembly (3)
Fastener (32,33) include an adhesive tape pressing plate (32) and multiple long spiro nails (33), the adhesive tape pressing plate (32), be adjacent to described in
The outside of middle seam adhesive tape (31), the long spiro nail (33) is fanned (11) through the pressing plate (32) and the adhesive tape (31) with left-hand door
Door leaf wainscot is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710613253.XA CN107178278B (en) | 2017-07-25 | 2017-07-25 | Double-leaf door with center seam sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710613253.XA CN107178278B (en) | 2017-07-25 | 2017-07-25 | Double-leaf door with center seam sealing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107178278A true CN107178278A (en) | 2017-09-19 |
| CN107178278B CN107178278B (en) | 2023-05-26 |
Family
ID=59838142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710613253.XA Active CN107178278B (en) | 2017-07-25 | 2017-07-25 | Double-leaf door with center seam sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107178278B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825782A (en) * | 2018-06-28 | 2018-11-16 | 浙江力佳隆毛刷有限公司 | A kind of welding kind hair equipment |
| CN110552608A (en) * | 2018-05-31 | 2019-12-10 | 北京天乐泰力科技发展有限公司 | sliding plug door sealing structure |
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|---|---|---|---|---|
| CN101387181A (en) * | 2007-09-11 | 2009-03-18 | 上海粮油仓储有限公司 | Air sealed door for grain depot |
| CN201974056U (en) * | 2010-12-28 | 2011-09-14 | 北京盛运开源环境工程有限公司 | Self-feeding type flue gas gathering device |
| CN103485695A (en) * | 2013-09-10 | 2014-01-01 | 盐城市瑞恒电力石化设备制造有限公司 | Sealing device of escape door for mine |
| CN204877185U (en) * | 2015-08-17 | 2015-12-16 | 浙江金丰人防设备有限公司 | Biparting people's air defense door line sewn down back of a jacket seal structure |
| CN205153937U (en) * | 2015-11-21 | 2016-04-13 | 北京绿都天蓝环保设备有限公司 | Sound -proof door |
| CN206972057U (en) * | 2017-07-25 | 2018-02-06 | 上海民防建筑研究设计院有限公司 | A kind of bivalve door with middle seam sealing structure |
-
2017
- 2017-07-25 CN CN201710613253.XA patent/CN107178278B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101387181A (en) * | 2007-09-11 | 2009-03-18 | 上海粮油仓储有限公司 | Air sealed door for grain depot |
| CN201974056U (en) * | 2010-12-28 | 2011-09-14 | 北京盛运开源环境工程有限公司 | Self-feeding type flue gas gathering device |
| CN103485695A (en) * | 2013-09-10 | 2014-01-01 | 盐城市瑞恒电力石化设备制造有限公司 | Sealing device of escape door for mine |
| CN204877185U (en) * | 2015-08-17 | 2015-12-16 | 浙江金丰人防设备有限公司 | Biparting people's air defense door line sewn down back of a jacket seal structure |
| CN205153937U (en) * | 2015-11-21 | 2016-04-13 | 北京绿都天蓝环保设备有限公司 | Sound -proof door |
| CN206972057U (en) * | 2017-07-25 | 2018-02-06 | 上海民防建筑研究设计院有限公司 | A kind of bivalve door with middle seam sealing structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552608A (en) * | 2018-05-31 | 2019-12-10 | 北京天乐泰力科技发展有限公司 | sliding plug door sealing structure |
| CN108825782A (en) * | 2018-06-28 | 2018-11-16 | 浙江力佳隆毛刷有限公司 | A kind of welding kind hair equipment |
| CN108825782B (en) * | 2018-06-28 | 2024-01-05 | 浙江力佳隆毛刷有限公司 | Welding seed hair equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107178278B (en) | 2023-05-26 |
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Address after: 201700 room 209, 2 story D, 2 building, 349 West Cen street, Qingpu District, Shanghai. Applicant after: SHANGHAI CIVIL DEFENSE ARCHITECTURAL DESIGN & RESEARCH INSTITUTE CO.,LTD. Address before: 200032 room 1302, 1223 Tu Tu Road, Xuhui District, Shanghai. Applicant before: SHANGHAI CIVIL DEFENSE ARCHITECTURAL DESIGN & RESEARCH INSTITUTE CO.,LTD. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |