CN113580718A - Compression fittings is used in production of various steel composite sheet - Google Patents
Compression fittings is used in production of various steel composite sheet Download PDFInfo
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- CN113580718A CN113580718A CN202110709198.0A CN202110709198A CN113580718A CN 113580718 A CN113580718 A CN 113580718A CN 202110709198 A CN202110709198 A CN 202110709198A CN 113580718 A CN113580718 A CN 113580718A
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- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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Abstract
The invention relates to the technical field of color steel composite board production devices, and discloses a pressing device for color steel composite board production. According to the pressing device for producing the color steel composite board, the worm is rotated to enable the worm wheel to drive the threaded sleeve to rotate through the adjusting mechanism, so that the threaded column rotates, the upper position and the lower position of the base plate can be adjusted in the pressing base, the pressing thickness of the pressed color steel composite board can be controlled manually, and the using effect is improved; and can make the backing plate have the locking effect through worm and worm wheel cooperation, make the backing plate can not lead to the position to change because of the machine vibrations, improve the reliability of device, and be provided with the stabilizing sleeve in the pressfitting board side, make the pressfitting board have fine stability, make the pressfitting effect obtain improving.
Description
Technical Field
The invention relates to the technical field of color steel composite board production devices, in particular to a pressing device for color steel composite board production.
Background
The color steel composite board is a heat-insulating composite maintenance board which is formed by compounding a color coating steel plate or other panels, a bottom plate and a heat-insulating core material through a binder (or foaming). Various steel composite sheet is pasted after the new material surface rubber coating of heat preservation back between panel and bottom plate, fix and compress tightly, among the prior art, compression fittings can only fix the various steel composite sheet of regulation width and compress tightly, it is not firm that same compression fittings is fixed to the various steel composite sheet of different width, can't adjust, arouse harmful effects such as pressure skew easily, and compressing tightly fixed in-process, can't be to the bottom plate, panel and core are fixed, make its in-process emergence skew compressing tightly, make various steel composite sheet pressfitting effect not good, cause the loss.
Disclosure of Invention
The invention aims to provide a pressing device for producing a color steel composite plate, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the pressing device for producing the color steel composite plate comprises a bottom plate, wherein the bottom plate is horizontally arranged, stand columns are vertically arranged above the bottom plate, the number of the stand columns is four, the four stand columns are uniformly and fixedly arranged on the top surface of the bottom plate, the top surfaces of the four stand columns are fixedly connected with the bottom surface of a top plate, the bottom surface of the top plate is fixedly provided with an air cylinder, the top surface of the bottom plate is fixedly provided with a pressing base, an adjusting mechanism is arranged inside the pressing base, and a width clamping mechanism is arranged inside the adjusting mechanism;
the adjusting mechanism comprises a base plate, a threaded column, a threaded sleeve, a worm wheel, a fixing plate, a worm, a lifting spring, a press plate, four stabilizing sleeves and a first limiting block, wherein a press groove is vertically formed downwards on the top surface of the press base, a lifting through groove is vertically formed in the left side surface and the right side surface in the press groove in a penetrating manner, the base plate is horizontally and slidably arranged in the press groove, the left end and the right end of the base plate penetrate through the lifting through groove and extend to the outer side of the press base, the threaded column is vertically arranged below the base plate, the top surface of the threaded column is fixedly connected with the bottom surface of the base plate, the bottom end of the threaded column penetrates through the press base and extends to the bottom surface below the base plate, the threaded sleeve is vertically sleeved on the bottom surface of the threaded column, the surface of the threaded column is in threaded connection with the inner wall of the threaded sleeve, the top end of the threaded sleeve is rotatably connected with the top surface of the base plate through a first bearing seat, the press plate is horizontally arranged on the top surface of the press base, the top surface of the pressing plate is fixedly connected with the bottom surface of the cylinder output rod.
Preferably, the left end and the right end of the base plate are sleeved on the surfaces of the four stand columns, the inner wall of the base plate is in sliding connection with the surfaces of the stand columns, the spring sleeve is lifted up and sleeved at the bottom ends of the stand columns, and the upper end and the lower end of the spring are lifted up and fixedly connected with the bottom surface of the base plate and the top surface of the bottom plate respectively.
Preferably, the bottom plate bottom surface is vertically provided with four supporting legs, the supporting leg top surface is fixedly connected with the bottom plate bottom surface, and the four supporting legs are uniformly arranged at four corners of the bottom plate bottom surface.
Preferably, the worm wheel is fixedly sleeved on the surface of the threaded sleeve, the fixed plate is vertically arranged on the side face of the threaded sleeve, the top face of the fixed plate is fixedly connected with the bottom face of the bottom plate, the worm penetrates through the fixed plate through the bearing I in a left-right rotating mode, and the right end surface of the worm is meshed with the side face of the worm wheel.
Preferably, four the slip cover of stabilizer sleeve is established on four stand surfaces, four stabilizer sleeve side and compressed particleboard side fixed connection, the vertical stable groove of having seted up in stand side, stopper one slides and sets up in stable inslot portion, a stopper side and the inner wall fixed connection of stabilizer sleeve.
Preferably, width clamping mechanism includes locating plate, threaded rod, presss from both sides tight frame one, screw ring, presss from both sides tight frame two, bearing block, stopper two, the regulation chamber has been seted up to the inside level of backing plate, backing plate top surface level has been seted up and has been pressed from both sides tight logical groove, press from both sides tight inside bottom surface in logical groove and link up the regulation chamber setting, the threaded rod level sets up inside the regulation chamber, the threaded rod right-hand member passes through bearing frame two and is connected with regulation intracavity wall rotation, the threaded rod left end runs through the regulation chamber and extends to the backing plate outside, screw ring threaded sleeve establishes on the screw rod surface, press from both sides the vertical setting of tight frame at the backing plate top surface, press from both sides tight frame bottom and run through and press from both sides tight logical groove and extend to the regulation intracavity portion and with screw ring top surface fixed connection.
Preferably, the pressfitting board right-hand member bottom surface from up vertical lining up down has seted up the location and has led to the groove, the vertical fixed setting of locating plate is at pressfitting base right-hand member top surface, the locating plate top is run through the location and is led to the groove and extend to the pressfitting board top.
Preferably, press from both sides two vertical sliding settings of tight frame and press from both sides tight frame one inside, press from both sides tight two bottoms of frame and press from both sides tight frame one inside bottom surface fixed connection through replying the spring, press from both sides tight two tops of frame and run through tight frame one inside top surface and extend to pressing from both sides tight frame one top, the vertical sliding setting of bearing block is pressing from both sides tight two insides of frame, the bearing block bottom is run through tight two inside bottoms of frame and extend to press from both sides tight frame one inside and with press from both sides tight frame one inside bottom surface fixed connection, the vertical spacing groove of having seted up in bearing block side, two sliding settings of stopper are inside the spacing groove, the stopper two sides and press from both sides tight two inner wall sliding connection of frame.
Compared with the prior art, the invention has the beneficial effects that: according to the pressing device for producing the color steel composite board, the worm is rotated to enable the worm wheel to drive the threaded sleeve to rotate through the adjusting mechanism, so that the threaded column rotates, the upper position and the lower position of the base plate can be adjusted in the pressing base, the pressing thickness of the pressed color steel composite board can be controlled manually, and the using effect is improved; the backing plate can have a locking effect by matching the worm and the worm wheel, so that the position of the backing plate cannot be changed due to the vibration of a machine, the reliability of the device is improved, and the stabilizing sleeve is arranged on the side surface of the laminated plate, so that the laminated plate has good stability, and the laminating effect is improved; through setting up width clamping mechanism, utilize the locating plate to set up as the limiting plate, through rotating the threaded rod, make press from both sides tight frame cooperation locating plate and make the composite sheet of treating the pressfitting obtain the clamping effect in the aspect of the width, avoided making it take place the skew at the in-process that compresses tightly for various steel composite sheet pressfitting effect is not good, causes the problem of loss.
Drawings
FIG. 1 is a schematic view of the overall front structure of the present invention;
FIG. 2 is a sectional view of the front structure of the press-fit base of the present invention;
FIG. 3 is a front sectional view of the backing plate of the present invention;
FIG. 4 is an enlarged view of area A of FIG. 3 according to the present invention.
In the figure: 1 bottom plate, 2 supporting feet, 3 top plate, 4 upright posts, 5 air cylinders, 6 pressing base, 7 adjusting mechanism, 701 pressing groove, 702 lifting through groove, 703 backing plate, 704 threaded post, 705 threaded sleeve, 706 worm wheel, 707 fixed plate, 708 worm, 709 lifting spring, 710 pressing plate, 711 stabilizing sleeve, 712 stabilizing groove, 713 first limiting block, 8 width clamping mechanism, 801 positioning through groove, 802 positioning plate, 803 adjusting cavity, 804 clamping through groove, 805 threaded rod, 806 clamping frame one, 807 threaded ring, 808 clamping frame two, 809 pressure-bearing block, 810 limiting groove and 811 second limiting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a pressing device for producing a color steel composite plate comprises a bottom plate 1, wherein the bottom plate 1 is horizontally arranged, stand columns 4 are vertically arranged above the bottom plate 1, the number of the stand columns 4 is four, four stand columns 4 are uniformly and fixedly arranged on the top surface of the bottom plate 1, the top surfaces of the four stand columns 4 are fixedly connected with the bottom surface of a top plate 3, a cylinder 5 is fixedly arranged on the bottom surface of the top plate 3, a pressing base 6 is fixedly arranged on the top surface of the bottom plate 1, an adjusting mechanism 7 is arranged inside the pressing base 6, a width clamping mechanism 8 is arranged inside the adjusting mechanism 7, supporting legs 2 are vertically arranged on the bottom surface of the bottom plate 1, the top surfaces of the supporting legs 2 are fixedly connected with the bottom surface of the bottom plate 1, the number of the supporting legs 2 is four, and the four supporting legs 2 are uniformly arranged at the four corners of the bottom surface of the bottom plate 1;
the adjusting mechanism 7 comprises a backing plate 703, a threaded column 704, a threaded sleeve 705, a worm wheel 706, a fixing plate 707, a worm 708, a lifting spring 709, a pressing plate 710, four stabilizing sleeves 711 and a limiting block 713, wherein a pressing groove 701 is vertically and downwardly formed on the top surface of the pressing base 6, a lifting through groove 702 is vertically formed on the left and right side surfaces inside the pressing groove 701, the backing plate 703 is horizontally and slidably arranged inside the pressing groove 701, the left and right ends of the backing plate 703 penetrate through the lifting through groove 702 and extend to the outer side of the pressing base 6, the threaded column 704 is vertically arranged below the backing plate 703, the top surface of the threaded column 704 is fixedly connected with the bottom surface of the backing plate 703, the bottom end of the threaded column 704 penetrates through the pressing base 6 and the bottom plate 1 and extends to the bottom plate 1, the threaded sleeve 705 is vertically sleeved on the bottom surface of the threaded column 704, the surface of the threaded column 704 is in threaded connection with the inner wall of the threaded sleeve 705, and the top end of the threaded sleeve 705 is rotatably connected with the top surface of the bottom plate 1 through a bearing seat I, the pressing plate 710 is horizontally arranged on the top surface of the pressing base 6, the top surface of the pressing plate 710 is fixedly connected with the bottom surface of an output rod of the air cylinder 5, the left end and the right end of the backing plate 703 are sleeved on the surfaces of four upright posts 4, the inner wall of the backing plate 703 is slidably connected with the surfaces of the upright posts 4, the lifting spring 709 is sleeved on the bottom end of the upright posts 4, the upper end and the lower end of the lifting spring 709 are respectively fixedly connected with the bottom surfaces of the backing plate 703 and the top surface of the bottom plate 1, the worm wheel 706 is fixedly sleeved on the surface of the threaded sleeve 705, the fixing plate 707 is vertically arranged on the side surface of the threaded sleeve 705, the top surface of the fixing plate 707 is fixedly connected with the bottom surface of the bottom plate 1, the worm 708 is arranged to penetrate through the fixing plate 707 through the left-right rotation of the bearing, the right end surface of the worm 708 is mutually meshed with the side surface of the worm wheel 706, the four stabilizing sleeves 711 are slidably sleeved on the surfaces of the four upright posts 4, the side surfaces of the pressing plate 710 are fixedly connected, the stabilizing grooves 712 are vertically arranged on the side surfaces of the upright posts 4, and the limiting blocks 713 are slidably arranged in the stabilizing grooves 712, the side face of the first limiting block 713 is fixedly connected with the inner wall of the stabilizing sleeve 711, the worm 708 is rotated to enable the worm wheel 706 to drive the threaded sleeve 705 to rotate through the arrangement of the adjusting mechanism 7, the threaded column 704 is rotated, the upper position and the lower position of the backing plate 703 can be adjusted in the pressing base 6, the pressing thickness of the pressed color steel composite plate can be controlled manually, and the using effect is improved; the backing plate 703 can have a locking effect by matching the worm 708 with the worm wheel 706, so that the backing plate 703 cannot be changed in position due to machine vibration, the reliability of the device is improved, and the stabilizing sleeve 711 is arranged on the side surface of the laminated plate 710, so that the laminated plate 710 has good stability, and the laminating effect is improved;
the width clamping mechanism 8 comprises a positioning plate 802, a threaded rod 805, a first clamping frame 806, a threaded ring 807, a second clamping frame 808, a pressure-bearing block 809 and a second limiting block 811, wherein an adjusting cavity 803 is horizontally arranged in the backing plate 703, a clamping through groove 804 is horizontally arranged on the top surface of the backing plate 703, the bottom surface of the clamping through groove 804 is arranged to penetrate through the adjusting cavity 803, the threaded rod 805 is horizontally arranged in the adjusting cavity 803, the right end of the threaded rod 805 is rotatably connected with the inner wall of the adjusting cavity 803 through the second bearing seat, the left end of the threaded rod 805 penetrates through the adjusting cavity 803 and extends to the outer side of the backing plate 703, the threaded ring 807 is threaded on the surface of the threaded rod 805, the first clamping frame 806 is vertically arranged on the top surface of the backing plate 703, the bottom end of the first clamping frame 806 penetrates through the clamping through groove 804 and extends to the inside of the adjusting cavity 803 and is fixedly connected with the top surface of the threaded ring 807, a positioning through groove 801 is vertically arranged from bottom to top of the right end of the pressing plate 710, the positioning plate 802 is vertically and fixedly arranged on the top surface of the right end of the pressing base 6, the top end of a positioning plate 802 penetrates through a positioning through groove 801 and extends to the upper side of a laminated plate 710, a clamping frame II 808 is vertically and slidably arranged inside a clamping frame I806, the bottom end of the clamping frame II 808 is fixedly connected with the inner bottom surface of the clamping frame I806 through a return spring, the top end of the clamping frame II 808 penetrates through the inner top surface of the clamping frame I806 and extends to the upper side of the clamping frame I806, a pressure bearing block 809 is vertically and slidably arranged inside the clamping frame II 808, the bottom end of the pressure bearing block 809 penetrates through the inner bottom surface of the clamping frame II 808 and extends to the inner side of the clamping frame I806 and is fixedly connected with the inner bottom surface of the clamping frame I806, a limiting groove 810 is vertically arranged on the side surface of the pressure bearing block 809, a limiting block II 811 is slidably arranged inside the limiting groove 810, the side surface of the limiting block II 811 is slidably connected with the inner wall of the clamping frame II 808, a width clamping mechanism 8 is arranged by using the positioning plate 802 as a limiting plate, and by rotating a threaded rod 805, the clamping frame I cooperates with the positioning plate 806 to enable a composite plate 806 to obtain a clamping effect in the width aspect, the problem of make its in-process that compresses tightly take place the skew has been avoided for various steel composite sheet pressfitting effect is not good, causes the loss.
When the device is used, the worm 708 is rotated to enable the worm wheel 706 to drive the threaded sleeve 705 to rotate, the threaded column 704 is rotated, the upper position and the lower position of the base plate 703 can be adjusted inside the pressing base 6, the pressing thickness of the pressed color steel composite plate can be controlled manually, the base plate 703 can have a locking effect through the cooperation of the worm 708 and the worm wheel 706, the base plate 703 cannot be changed in position due to machine vibration, the stabilizing sleeve 711 is arranged on the side face of the pressing plate 710, the pressing plate 710 has good stability, the positioning plate 802 is used as a limiting plate, and the clamping frame 806 is matched with the positioning plate 802 to clamp the composite plate to be pressed in the width aspect by rotating the threaded rod 805.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a compression fittings is used in production of various steel composite sheet, includes bottom plate (1), its characterized in that: the bottom plate (1) is horizontally arranged, the upright columns (4) are vertically arranged above the bottom plate (1), the number of the upright columns (4) is four, the four upright columns (4) are uniformly and fixedly arranged on the top surface of the bottom plate (1), the top surfaces of the four upright columns (4) are fixedly connected with the bottom surface of the top plate (3), the bottom surface of the top plate (3) is fixedly provided with the air cylinder (5), the top surface of the bottom plate (1) is fixedly provided with the pressing base (6), the inside of the pressing base (6) is provided with the adjusting mechanism (7), and the inside of the adjusting mechanism (7) is provided with the width clamping mechanism (8);
the adjusting mechanism (7) comprises a base plate (703), a threaded column (704), a threaded sleeve (705), a worm wheel (706), a fixing plate (707), a worm (708), a lifting spring (709), a pressing plate (710), four stabilizing sleeves (711) and a first limiting block (713), wherein a pressing groove (701) is vertically and downwards formed in the top surface of the pressing base (6), lifting through grooves (702) are vertically formed in the left side surface and the right side surface of the inside of the pressing groove (701) in a penetrating manner, the base plate (703) is horizontally and slidably arranged in the pressing groove (701), the left end and the right end of the base plate (703) penetrate through the lifting through grooves (702) and extend to the outer side of the pressing base (6), the threaded column (704) is vertically arranged below the base plate (703), the top surface of the threaded column (704) is fixedly connected with the bottom surface of the base plate (703), and the bottom end of the threaded column (704) penetrates through the pressing base (6) and the bottom plate (1) and extends to the bottom plate (1), the thread bush (705) is vertically sleeved on the bottom end surface of the thread column (704), the surface of the thread column (704) is in threaded connection with the inner wall of the thread bush (705), the top end of the thread bush (705) is rotatably connected with the top surface of the base plate (1) through a first bearing seat, the pressing plate (710) is horizontally arranged on the top surface of the pressing base (6), and the top surface of the pressing plate (710) is fixedly connected with the bottom surface of an output rod of the air cylinder (5).
2. The pressing device for producing color steel composite plates according to claim 1, wherein the pressing device comprises: the base plate (703) is controlled both ends and all is established at four stand (4) surfaces, base plate (703) inner wall and stand (4) surface sliding connection, it establishes in stand (4) bottom to lift up spring (709), lift up spring (709) upper and lower end respectively with base plate (703) bottom surface and bottom plate (1) top surface fixed connection.
3. The pressing device for producing color steel composite plates according to claim 1, wherein the pressing device comprises: the supporting legs (2) are vertically arranged on the bottom surface of the bottom plate (1), the top surfaces of the supporting legs (2) are fixedly connected with the bottom surface of the bottom plate (1), and the number of the supporting legs (2) is four, and the supporting legs (2) are evenly arranged at four corners of the bottom surface of the bottom plate (1).
4. The pressing device for producing color steel composite plates according to claim 1, wherein the pressing device comprises: the worm wheel (706) is fixedly sleeved on the surface of the threaded sleeve (705), the fixing plate (707) is vertically arranged on the side surface of the threaded sleeve (705), the top surface of the fixing plate (707) is fixedly connected with the bottom surface of the bottom plate (1), the worm (708) is arranged by rotating left and right through the fixing plate (707) through the bearing I, and the right end surface of the worm (708) is meshed with the side surface of the worm wheel (706).
5. The pressing device for producing color steel composite plates according to claim 1, wherein the pressing device comprises: four stabilizing sleeve (711) slip cover is established on four stand (4) surfaces, four stabilizing sleeve (711) side and pressfitting board (710) side fixed connection, vertical stable groove (712) of having seted up in stand (4) side, stopper one (713) slide to set up inside stable groove (712), stopper one (713) side and stabilizing sleeve (711) inner wall fixed connection.
6. The pressing device for producing color steel composite plates according to claim 1, wherein the pressing device comprises: the width clamping mechanism (8) comprises a positioning plate (802), a threaded rod (805), a first clamping frame (806), a threaded ring (807), a second clamping frame (808), a pressure-bearing block (809) and a second limiting block (811), wherein an adjusting cavity (803) is horizontally formed in the backing plate (703), a clamping through groove (804) is horizontally formed in the top surface of the backing plate (703), the bottom surface in the clamping through groove (804) penetrates through the adjusting cavity (803) to be arranged, the threaded rod (805) is horizontally arranged in the adjusting cavity (803), the right end of the threaded rod (805) is rotatably connected with the inner wall of the adjusting cavity (803) through the second bearing seat, the left end of the threaded rod (805) penetrates through the adjusting cavity (803) and extends to the outer side of the backing plate (805), the threaded ring (807) is sleeved on the surface of the threaded rod (703), and the first clamping frame (806) is vertically arranged on the top surface of the backing plate (703), the bottom end of the first clamping frame (806) penetrates through the clamping through groove (804) to extend into the adjusting cavity (803) and is fixedly connected with the top surface of the threaded ring (807).
7. The pressing device for producing color steel composite plates according to claim 6, wherein: pressfitting board (710) right-hand member bottom surface from up vertical link up down and seted up the location and lead to groove (801), the vertical fixed setting of locating plate (802) is at pressfitting base (6) right-hand member top surface, locating plate (802) top is run through the location and is led to groove (801) and extend to pressfitting board (710) top.
8. The pressing device for producing color steel composite plates according to claim 6, wherein: the clamping frame II (808) is vertically slidably arranged inside the clamping frame I (806), the bottom end of the clamping frame II (808) is fixedly connected with the inner bottom surface of the clamping frame I (806) through a return spring, the top end of the clamping frame II (808) penetrates through the inner top surface of the clamping frame I (806) and extends to the upper side of the clamping frame I (806), the pressure-bearing block (809) is vertically slidably arranged inside the clamping frame II (808), the bottom end of the pressure-bearing block (809) penetrates through the inner bottom surface of the clamping frame II (808) and extends to the inner portion of the clamping frame I (806) and is fixedly connected with the inner bottom surface of the clamping frame I (806), a limit groove (810) is vertically formed in the side surface of the pressure-bearing block (809), the limit block II (811) is slidably arranged inside the limit groove (810), and the side surface of the limit block II (811) is slidably connected with the inner wall of the clamping frame II (808).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110709198.0A CN113580718A (en) | 2021-06-25 | 2021-06-25 | Compression fittings is used in production of various steel composite sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110709198.0A CN113580718A (en) | 2021-06-25 | 2021-06-25 | Compression fittings is used in production of various steel composite sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113580718A true CN113580718A (en) | 2021-11-02 |
Family
ID=78244639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110709198.0A Withdrawn CN113580718A (en) | 2021-06-25 | 2021-06-25 | Compression fittings is used in production of various steel composite sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113580718A (en) |
-
2021
- 2021-06-25 CN CN202110709198.0A patent/CN113580718A/en not_active Withdrawn
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| PB01 | Publication | ||
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Application publication date: 20211102 |