CN109629985A - A kind of mute rotation timber - Google Patents
A kind of mute rotation timber Download PDFInfo
- Publication number
- CN109629985A CN109629985A CN201811437186.1A CN201811437186A CN109629985A CN 109629985 A CN109629985 A CN 109629985A CN 201811437186 A CN201811437186 A CN 201811437186A CN 109629985 A CN109629985 A CN 109629985A
- Authority
- CN
- China
- Prior art keywords
- door leaf
- pull rod
- sound
- frame body
- plank
- 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
Links
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
- 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
-
- 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
-
- 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
- E06B3/7003—Door leaves consisting of several adjacent similar elements, e.g. planks, without outer covering panels
- E06B3/7005—Door leaves consisting of several adjacent similar elements, e.g. planks, without outer covering panels without a separate supporting frame
-
- 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
- E06B5/20—Doors, windows, or like closures for special purposes; Border constructions therefor for insulation against noise
-
- 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
- E06B2003/7098—Door leaves with bracing means crossing each other, e.g. diagonally disposed
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Special Wing (AREA)
Abstract
The invention discloses a kind of mute rotation timbers, it includes the first side frame body, the second side frame body and upper frame body, is provided with first rotating shaft and the second shaft on the second side frame body；It is rotatably equipped with door leaf in first rotating shaft, lower door leaf is rotatably equipped in the second shaft；The first pull rod and the second pull rod are provided between upper door leaf and lower door leaf；Sound arrester is provided between the upper door leaf and lower door leaf and the first side frame body；The upper door leaf and lower door leaf are three-layer composite structure, and including the first plank and the second plank arranged in parallel, sound insulation chamber is provided between the first plank and the second plank；Sound insulation intracavitary setting partition is provided with multiple equally distributed silencing means on partition；The both ends of partition are provided with fixed block.The present invention can not only improve soundproof effect, also have the advantages that easy to use, stability in use is good, dismounting and convenient transportation, good airproof performance, beauty and long service life.
Description
Technical field
The present invention relates to wood furniture field, especially a kind of mute rotation timber.
Background technique
Door it is many kinds of, have revolving door, sliding door, folding door etc., different doors has different usages；Wherein
The most frequently used in daily life is exactly to save space-efficient sliding door；And general sliding door is by door-plate and doorframe in whole Transporting
, so that the tool needs of delivery are transported by the area increased, and it is also required for biggish space when carrying and carries out
Space is mobile, and it is more inconvenient that transport is got up；It is between general sliding door and doorframe simultaneously to be connected by hinge more, and hinge is sudden and violent
Reveal aerial, hinge can get rusty after prolonged use, so that being that resistance is larger when having switch gate, use is less square
Just；And general door-plate is spliced by muti-piece door-plate, external sound can also be propagated by crack between a door and its frame, soundproof effect compared with
Difference.Therefore, existing sliding door has that soundproof effect is poor, less convenient using more inconvenient and transport.
Summary of the invention
The object of the present invention is to provide a kind of mute rotation timbers.The present invention can not only improve soundproof effect, also have
There is the advantages of easy to use and convenient transportation.
Technical solution of the present invention: a kind of mute rotation timber, including the first side frame body and the second side frame being oppositely arranged
Body is connected with upper frame body, installation is provided on the one side of upper frame body between the first side frame body and the upper end of the second side frame body
Plate；The upper end of second side frame body is provided with first rotating shaft, is rotatably equipped with door leaf in first rotating shaft；Second side frame body
Lower end be provided with the second shaft, lower door leaf is rotatably equipped in the second shaft；It is arranged between the upper door leaf and lower door leaf
There is the first pull rod, the second pull rod is provided with above the first pull rod；The both ends of second pull rod connect with upper door leaf and lower door leaf respectively
It connects, the second pull rod is arranged in a crossed manner with the first pull rod, and the top of the first pull rod is arranged in the second pull rod；The upper door leaf is under
Side raised line is provided on the side of door leaf；Side groove is equipped on the inner sidewall of first side frame body at the position of respective side raised line,
Sound arrester is provided between side groove and side raised line；The upper door leaf and lower door leaf are three-layer composite structure；Including mutual
First plank and the second plank disposed in parallel, are provided with sound insulation chamber between the first plank and the second plank；The intracavitary setting of sound insulation
Partition is provided with multiple equally distributed silencing means on partition；The both ends of partition are provided with fixed block, and each fixed block is equal
It is arranged between the first plank and the second plank.
In the mute rotation timber of one kind above-mentioned, the silencing means includes two voice conducting pipes being oppositely arranged, Mei Gechuan
Sound tube one end is respectively connected with the sound head out of arc, and one end of each sound head out is equipped with sound outlet hole；It is described two go out sound heads be in
It is oppositely arranged, two sound outlet holes are arranged between two voice conducting pipes.
In the mute rotation timber of one kind above-mentioned, the sound arrester include the first sound insulating pad and the second sound insulating pad, first
Sound insulating pad and the second sound insulating pad are arranged in " V " type；Buffering elastic is provided at the position that first sound insulating pad is connect with the second sound insulating pad
Spring.
In the mute rotation timber of one kind above-mentioned, is corresponded on the partition and be equipped with mounting hole at the position of voice conducting pipe, installation
Absorption of vibrations film is provided between the inner wall in hole and the outer wall of voice conducting pipe；The position of absorption of vibrations film is corresponded on the inner wall of mounting hole
Place is equipped with mounting groove, and absorption of vibrations film is fixedly mounted in mounting groove.
In the mute rotation timber of one kind above-mentioned, described lower one end of second pull rod is set with the higher one end of the first pull rod
It sets on same vertical line, the higher one end of the second pull rod and the lower one end of the first pull rod are arranged on same vertical line；Institute
It states the lower one end of the first pull rod to be arranged on the side of lower door leaf, the side of upper door leaf is arranged in the higher one end of the second pull rod
On.
Compared with prior art, the present invention is by being respectively set first rotating shaft and second in the upper and lower ends of the second side frame body
It is respectively arranged with door leaf and lower door leaf in shaft, first rotating shaft and the second shaft, is provided between upper door leaf and lower door leaf
One pull rod and the second pull rod, when needing to open the door, as long as pushing upper door leaf or lower door leaf toward outside, upper door leaf or lower door leaf will
As first rotating shaft or the second shaft rotate, and it will drive the first pull rod when upper door leaf or the rotation of lower door leaf and move down
Or second pull rod up move, so that lower door leaf or upper door leaf be pulled to rotate also with the second shaft or first rotating shaft, thus
Door is opened, it is very convenient to use；And door is divided into upper door leaf and lower door leaf, and pass through first rotating shaft and the second shaft
Installation, not only facilitates dismounting and transport, but also there was only first rotating shaft and upper door leaf or second during open and close
Pivoting friction between shaft and lower door leaf, reduces noise as far as possible；It is connect and is visited with the second pull rod by the first pull rod
Fan and lower door leaf, and the first pull rod and the second pull rod, at arranged in a crossed manner, the setting of the second pull rod not only increases above the first pull rod
The stability used, additionally it is possible to which the first pull rod is touched with the second pull rod when avoiding opening, and has further facilitated use；By setting
Side raised line and side groove are set, sound arrester is provided between side raised line and side groove, can be placed when closing door outer
The sound in portion is passed through from crack between a door and its frame；It is arranged to three-layer composite structure by upper door leaf and lower door leaf, using intermediate partition the
Two cavitys are isolated among one plank and the second plank, and are provided with multiple equally distributed voice conducting pipes on partition, using every
Two neighboring voice conducting pipe changes the amplitude of sound wave, so that in voice conducting pipe exit, the wave of a sound in two sound waves
Peak is to the trough of another upper sound wave, to achieve the effect that sound insulation；It, can not only and by the way that fixed block is arranged at the both ends of partition
Sound wave eliminates the vibration of partition, additionally it is possible to guarantee the leakproofness inside door leaf, increase soundproof effect.In addition, of the invention
Also by the way that the sound head out of arc is arranged in one end of voice conducting pipe, and every two goes out sound head in being oppositely arranged, so that in sound head out
Place increases out sound area and into sound area ratio, further improves soundproof effect；By the way that mounting hole is arranged on partition, pacify
It fills and absorption of vibrations film is set in hole, not only facilitate the installation of voice conducting pipe, but also utilization absorption of vibrations film can also will be from installation
The wave absorption flowed through between hole and voice conducting pipe, and guarantee leakproofness；By the way that the first sound insulating pad and the second sound insulating pad are arranged to
" V " type, and be provided with buffer spring between the two, so that can be delayed at closing time when shutting using buffer spring
Gap closing speed between door leaf and doorframe reduces the resistance of shutdown so as to overflow internal air substantially, thus
The damage to collision and collision generation between door leaf and doorframe is reduced, service life is improved；By by the first pull rod and
The both ends of second pull rod are arranged on same vertical line, improve aesthetics.Therefore, the present invention can not only improve sound insulation effect
Fruit, also has that easy to use, stability in use is good, dismounting and convenient transportation, good airproof performance, beauty and with long service life excellent
Point.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram when present invention opens；
Fig. 3 is the structural schematic diagram of upper door leaf；
Fig. 4 is the bottom view of the first side frame body；
Fig. 5 is the partial enlarged view in Fig. 3 at A；
Fig. 6 is the partial enlarged view in Fig. 4 at B.
The label in accompanying drawing is: the first side frame body of 1-, the second side frame body of 2-, 3- upper frame body, 4- mounting plate, first turn of 5-
Axis, the upper door leaf of 6-, the second shaft of 7-, door leaf under 8-, the first pull rod of 9-, the second pull rod of 10-, the side 11- raised line, the side 12- groove,
13- sound arrester, the first plank of 14-, the second plank of 15-, 16- sound insulation chamber, 17- partition, 18- voice conducting pipe, 19- fixed block, 20-
Sound head out, 21- sound outlet hole, the first sound insulating pad of 22-, the second sound insulating pad of 23-, 24- buffer spring, 25- mounting hole, 26- vibration are inhaled
Winder, 27- mounting groove.
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.A kind of mute rotation timber is constituted as shown in Figures 1 to 6, including 1 He of the first side frame body being oppositely arranged
Second side frame body 2 is connected with upper frame body 3, the one side of upper frame body 3 between first side frame body 1 and the upper end of the second side frame body 2
On be provided with mounting plate 4；The upper end of second side frame body 2 is provided with first rotating shaft 5, is rotatably equipped in first rotating shaft 5
Upper door leaf 6；The lower end of second side frame body 2 is provided with the second shaft 7, and lower door leaf 8 is rotatably equipped in the second shaft 7；It is described
The first pull rod 9 is provided between upper door leaf 6 and lower door leaf 8, the top of the first pull rod 9 is provided with the second pull rod 10；Second pull rod
10 both ends are connect with upper door leaf 6 with lower door leaf 8 respectively, and the second pull rod 10 is arranged in a crossed manner with the first pull rod 9, and the second pull rod
10 are arranged in the top of the first pull rod 9；Side raised line 11 is provided on the upper door leaf 6 and the side of lower door leaf 8；First side frame
On the inner sidewall of body 1 at the position of respective side raised line 11 be equipped with side groove 12, be provided between side groove 12 and side raised line 11 every
Mixer 13；The upper door leaf 6 and lower door leaf 8 are three-layer composite structure；Including 14 He of the first plank arranged in parallel
Second plank 15 is provided with sound insulation chamber 16 between first plank 14 and the second plank 15；Partition 17, partition are set in sound insulation chamber 16
Multiple equally distributed silencing means are provided on 17；The both ends of partition 17 are provided with fixed block 19, and each fixed block 19 is
It is arranged between the first plank 14 and the second plank 15.
The silencing means includes two voice conducting pipes being oppositely arranged 18, and each 18 one end of voice conducting pipe is respectively connected with arc
Go out sound head 20, it is each go out sound head 20 one end be equipped with sound outlet hole 21；In being oppositely arranged, two go out described two sound heads 20 out
Sound hole 21 is arranged between two voice conducting pipes 18；The sound arrester 13 includes the first sound insulating pad 22 and the second sound insulating pad 23,
First sound insulating pad 22 and the second sound insulating pad 23 are arranged in " V " type；At the position that first sound insulating pad 22 is connect with the second sound insulating pad 23
It is provided with buffer spring 24；It is corresponded on the partition 17 and is equipped with mounting hole 25, the inner wall of mounting hole 25 at the position of voice conducting pipe 18
Absorption of vibrations film 26 is provided between the outer wall of voice conducting pipe 18；The position of absorption of vibrations film 26 is corresponded on the inner wall of mounting hole 25
Place is equipped with mounting groove 27, and absorption of vibrations film 26 is fixedly mounted in mounting groove 27；Lower one end of second pull rod 10 and the
The higher one end of one pull rod 9 is arranged on same vertical line, the higher one end of the second pull rod 10 and the lower one end of the first pull rod 9
It is arranged on same vertical line；The lower one end of first pull rod 9 is arranged on the side of lower door leaf 8, the second pull rod 10 compared with
High one end is arranged on the side of upper door leaf 6.
Working principle: door is when closing, and when there is sound outside, sound wave can enter the first wood by gaps such as crack between a door and its frames
In sound insulation chamber 16 between plate 14 and the second plank 15, one end that sound wave first passes through voice conducting pipe 18 enters in voice conducting pipe 18, then
It is spread out of from sound outlet hole 21 as voice conducting pipe 18 enters in sound head 20, since two neighboring sound head 20 out makes in being oppositely arranged
Two areas increases of speaking gone out between sound head 20 are obtained, so that sound body area increases with the ratio into sound area, to increase
Divergence ratio reaches better noise elimination effect；The sound wave that part enters in sound insulation chamber 16 simultaneously can carry out collision reflection with partition 17,
It is offset using the sound wave being reflected back and original sound wave, to achieve the effect that noise elimination；There are also acoustic wave segments can pass through peace
It fills hole 25 and absorption of vibrations film 26 collides, after sound wave is contacted with absorption of vibrations film 26, absorption of vibrations film 26 can generate vibration, will
The energy absorption of sound wave, simultaneously as absorption of vibrations film 26 is fixedly connected with the inner wall of mounting groove 27, so that absorption of vibrations film 26
What is absorbed can weaken on 27 inner wall of mounting groove, to further improve noise elimination effect.
When opening the door, upper door leaf 6 or lower door leaf 8 are pushed outward, and when such as pushing upper door leaf 6, upper door leaf 6 can be around
First rotating shaft 5 rotates counterclockwise, and the upper rotation of door leaf 6 will drive the first pull rod 9 and move down；First pull rod 9 move down when
It waits, because the lower one end of the first pull rod 9 is connect with lower door leaf 8, the first pull rod 9 is mobile to apply one to lower door leaf 8 again
A pressure down；Simultaneously as one end of the second pull rod 10 is connect with upper door leaf 6, one end is connect with lower door leaf 8, upper door leaf 6
It will drive the second pull rod 10 while rotation again up to move, so the second pull rod 10 can apply lower door leaf 8 one up
Power；The power up that the second pull rod 10 applies when just starting turning is greater than the downward power that the first pull rod 9 applies, so as to
Enough so that lower door leaf 8 rotates clockwise；And with the continuation of rotation, it is past that the pulling force of the first pull rod 9 down is greater than the second pull rod 10
On pulling force so that upper door leaf 6 is fixed with lower door leaf 8.
Similarly close the door when closing the door according to reverse sequence when opening the door；And upper 6 He of door leaf when shutdown
In the meeting approaching side groove 12 of side raised line 11 on lower 8 side of door leaf, and the second sound insulating pad 23 is squeezed, the second sound insulating pad 23 can be compressed
Buffer spring 24；The extruding of second sound insulating pad 23, which will drive, slowly shifts to the first sound insulating pad 22, to delay the first side frame at closing time
Gap closing speed between body 1 and upper door leaf 6 and lower door leaf 8 so as to overflow internal air substantially, and then reduces
The resistance closed the door reduces to the collision and the damage that generates of collision between door leaf and doorframe, improves service life.
Claims (5)
1. a kind of mute rotation timber, it is characterised in that: including the first side frame body (1) and the second side frame body (2) being oppositely arranged,
It is connected between first side frame body (1) and the upper end of the second side frame body (2) upper frame body (3), is set on the one side of upper frame body (3)
It is equipped with mounting plate (4)；The upper end of second side frame body (2) is provided with first rotating shaft (5), and peace is rotated in first rotating shaft (5)
Equipped with upper door leaf (6)；The lower end of second side frame body (2) is provided with the second shaft (7), and the second shaft is rotatably equipped on (7)
Lower door leaf (8)；It is provided with the first pull rod (9) between the upper door leaf (6) and lower door leaf (8), the top setting of the first pull rod (9)
There are the second pull rod (10)；The both ends of second pull rod (10) are connect with upper door leaf (6) with lower door leaf (8) respectively, the second pull rod (10)
It is arranged in a crossed manner with the first pull rod (9), and the second pull rod (10) setting is in the top of the first pull rod (9)；The upper door leaf (6) with
Side raised line (11) are provided on the side of lower door leaf (8)；The position of respective side raised line (11) on the inner sidewall of first side frame body (1)
It sets place and is equipped with side groove (12), sound arrester (13) are provided between side groove (12) and side raised line (11)；The upper door leaf (6)
It is three-layer composite structure with lower door leaf (8)；Including the first plank (14) and the second plank (15) arranged in parallel, first
Sound insulation chamber (16) are provided between plank (14) and the second plank (15)；Partition (17) are set in sound insulation chamber (16), partition (17)
On be provided with multiple equally distributed silencing means；The both ends of partition (17) are provided with fixed block (19), each fixed block
(19) it is arranged between the first plank (14) and the second plank (15).
2. a kind of mute rotation timber according to claim 1, it is characterised in that: the silencing means includes two opposite
The voice conducting pipe (18) of setting, each voice conducting pipe (18) one end be respectively connected with arc go out sound head (20), each go out sound head (20)
One end be equipped with sound outlet hole (21)；Described two sound head (20) out in being oppositely arranged, two sound outlet holes (21) are arranged at two
Between a voice conducting pipe (18).
3. a kind of mute rotation timber according to claim 1, it is characterised in that: the sound arrester (13) includes first
Sound insulating pad (22) and the second sound insulating pad (23), the first sound insulating pad (22) and the second sound insulating pad (23) are arranged in " V " type；First sound insulation
Buffer spring (24) are provided at the position that pad (22) is connect with the second sound insulating pad (23).
4. a kind of mute rotation timber according to claim 1, it is characterised in that: correspond to voice conducting pipe on the partition (17)
(18) mounting hole (25) are equipped at position, vibration is provided between the inner wall of mounting hole (25) and the outer wall of voice conducting pipe (18) and is inhaled
Winder (26)；It is corresponded on the inner wall of mounting hole (25) and is equipped with mounting groove (27) at the position of absorption of vibrations film (26), absorption of vibrations
Film (26) is fixedly mounted in mounting groove (27).
5. according to claim 1 to a kind of mute rotation timber described in any claim in 4, it is characterised in that: described
Two pull rods (10) lower one end and the first pull rod (9) higher one end are arranged on same vertical line, the second pull rod (10) compared with
High lower one end in one end and the first pull rod (9) is arranged on same vertical line；The lower one end of first pull rod (9) is set
It sets on the side of lower door leaf (8), the higher one end of the second pull rod (10) is arranged on the side of upper door leaf (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811437186.1A CN109629985A (en) | 2018-11-28 | 2018-11-28 | A kind of mute rotation timber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811437186.1A CN109629985A (en) | 2018-11-28 | 2018-11-28 | A kind of mute rotation timber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109629985A true CN109629985A (en) | 2019-04-16 |
Family
ID=66069571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811437186.1A Pending CN109629985A (en) | 2018-11-28 | 2018-11-28 | A kind of mute rotation timber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109629985A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2020230241B2 (en) * | 2019-09-09 | 2022-06-02 | Tacam Steel Pte Ltd | Composite panel and method for manufacturing the same |
-
2018
- 2018-11-28 CN CN201811437186.1A patent/CN109629985A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2020230241B2 (en) * | 2019-09-09 | 2022-06-02 | Tacam Steel Pte Ltd | Composite panel and method for manufacturing the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190416 |
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| WD01 | Invention patent application deemed withdrawn after publication |