CN110421714A - A kind of mortar blending device - Google Patents
A kind of mortar blending device Download PDFInfo
- Publication number
- CN110421714A CN110421714A CN201910820504.0A CN201910820504A CN110421714A CN 110421714 A CN110421714 A CN 110421714A CN 201910820504 A CN201910820504 A CN 201910820504A CN 110421714 A CN110421714 A CN 110421714A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- spiral
- driven rod
- bearing
- mortar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/0875—Mixing in separate stages involving different containers for each stage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/1238—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers for materials flowing continuously through the mixing device and with incorporated feeding or discharging devices
- B28C5/1276—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers for materials flowing continuously through the mixing device and with incorporated feeding or discharging devices with consecutive separate containers with rotating stirring and feeding or discharging means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/16—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/06—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
- B28C7/064—Supply from sacks; Sack openers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/06—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
- B28C7/10—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors by means of rotary members, e.g. inclinable screws
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention discloses a kind of mortar blending devices, including the first weight mixed organization and the second heavy mixed organization, the first weight mixed organization includes first sleeve, first bearing is equipped in the middle part of one end of the first sleeve inner wall, it is connected by the connecting rod that quantity is four with the first sleeve around the first bearing, the inside that the middle part of the first bearing is located at the first sleeve is equipped with the first spiral driven rod, one end of the first spiral driven rod is equipped with the first power mechanism, and one end of the first sleeve is equipped with loading hopper；The second weight mixed organization includes second sleeve, and the second sleeve is connected to the fixation of one end of the first sleeve far from the loading hopper, and the second spiral driven rod is equipped in the second sleeve.The utility model has the advantages that being further again stirring for the material being uniformly mixed first by material stirring, then after filling the water, to can guarantee the uniform stirring of dry-mixed mortar, the mortar quality of output can guarantee.
Description
Technical field
The present invention relates to mortars to stir field, it particularly relates to a kind of mortar blending device.
Background technique
Conventional blender has a single function, and can only stir the mortar mixed, and the stirring difficulty of dry-mixed mortar compared with
Greatly, uniform mix is not easily accomplished by conventional blender, carries out mix in time particularly with the aggregates such as reworked material and slurry
When, it is easy to generate block in whipping process and then makes powder undercompounding, the mortar quality exported in this way is not high, up to not
To homogenieity requirement, and then it will affect construction quality.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Summary of the invention
The purpose of the present invention is to provide a kind of mortar blending devices, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of mortar blending device, including the first weight mixed organization and the second heavy mixed organization, the first heavy mixing machine
Structure includes first sleeve, and first bearing is equipped in the middle part of one end of the first sleeve inner wall, is passed through around the first bearing
Quantity is that four connecting rods are connected with the first sleeve, and the middle part of the first bearing is located at the interior of the first sleeve
Portion is equipped with the first spiral driven rod, and one end of the first spiral driven rod is equipped with the first power mechanism, the first sleeve
One end is equipped with loading hopper；
The second weight mixed organization includes second sleeve, the second sleeve and far from the loading hopper described the
The fixed connection in one end of one sleeve, the second sleeve is interior to be equipped with the second spiral driven rod, the spiral shell of the second spiral driven rod
It revolves density and is greater than the first spiral driven rod, one end of the second spiral driven rod passes through second bearing and described second set
The inner wall of cylinder is connected, and the side of the second sleeve is equipped with water inlet, and the second spiral driven rod is far from the bearing
One end is equipped with the second power mechanism, and the second sleeve is equipped with the first discharge nozzle far from one end of the first sleeve.
Further, first power mechanism and second power mechanism include motor, the output of the motor
End is equipped with the first belt pulley, is fixed with the on one end of the first spiral driven rod and the second spiral driven rod respectively
Two belt pulleys are connected between first belt pulley and second belt pulley by belt, and the belt extends through institute
State first sleeve and second sleeve.
Further, first discharge nozzle is connected with the input terminal of concrete pump, the output end of the concrete pump
Equipped with third weight mixed organization, the third weight mixed organization includes mixing drum, and the output end of the concrete pump is stirred with described
The bottom end side for mixing cylinder is connected, and the mixing drum is equipped with stirring motor, and the output end of the stirring motor is located at described stir
It mixes and is equipped with stirring rod in cylinder, be successively fixed with several spiral material transfer pieces and stirring sheet on the stirring rod, the mixing drum
Side is equipped with the second discharge nozzle.
Further, feeding mechanism is equipped with above the loading hopper.The feeding mechanism includes feed device and cutting
Device, the feed device include track, and ratchet is fixed in the track, is equipped with several movable plates between the track,
The hook that quantity is two, the 3rd bearing that the two sides of the movable plate are four by quantity are fixed under the movable plate
Equipped with ratchet, the ratchet is adapted with the ratchet, and chain is connected on the ratchet, is fixed with skin on the chain
Band, the shape of the belt is consistent with the shape of the track, and the two sides of the belt are respectively equipped with driving wheel and driven wheel, institute
It states and is hung with mortar raw material bag on hook.
Further, the cutter device includes automatic reciprocating hydraulic cylinder, and the output end of the automatic reciprocating hydraulic cylinder is solid
Surely it is equipped with cutting blade, the output end of the cutting blade and the automatic reciprocating hydraulic cylinder is fixed with reinforcing rib.
Compared with prior art, the invention has the following advantages:
(1), further the material being uniformly mixed is again stirring for first by material stirring, then after filling the water, so as to
The uniform stirring for guaranteeing dry-mixed mortar, can guarantee the mortar quality of output.
(2), further increase the quality of discharging in the quality for increasing stirring, increase the quality of building.
(3), the frequency pushed by the speed of rotation and automatic reciprocating hydraulic cylinder, can control the frequency of charging, thus
The ratio between water and pan feeding can be controlled, so that the intensity of material can more precisely.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of mortar blending device according to an embodiment of the present invention；
Fig. 2 is a kind of cross-sectional view of mortar blending device middle orbit according to an embodiment of the present invention；
Fig. 3 is the top view of belt in a kind of mortar blending device according to an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of automatic reciprocating hydraulic cylinder in a kind of mortar blending device according to an embodiment of the present invention.
Appended drawing reference:
1, first sleeve；2, first bearing；3, the first spiral driven rod；4, the first power mechanism；5, loading hopper；6,
Two sleeves；7, the second spiral driven rod；8, second bearing；9, water inlet；10, the second power mechanism；11, the first discharge nozzle；12,
Concrete pump；13, mixing drum；14, stirring motor；15, stirring rod；16, spiral material transfer piece；17, stirring sheet；18, the second discharging
Pipe；19, track；20, ratchet；21, movable plate；22, it links up with；23, ratchet；24, chain；25, belt；26, mortar raw material bag；
27, automatic reciprocating hydraulic cylinder；28, cutting blade.
Specific embodiment
In the following, making further description to invention in conjunction with attached drawing and specific embodiment:
Embodiment one:
Referring to Fig. 1, a kind of mortar blending device according to an embodiment of the present invention, including the first weight mixed organization and second
Weight mixed organization, the first weight mixed organization includes first sleeve 1, and the is equipped in the middle part of one end of 1 inner wall of first sleeve
One bearing 2 is connected around the first bearing 2 with the first sleeve 1 by the connecting rod that quantity is four, and described the
The inside that the middle part of one bearing 2 is located at the first sleeve 1 is equipped with the first spiral driven rod 3, the first spiral driven rod 3
One end is equipped with the first power mechanism 4, and one end of the first sleeve 1 is equipped with loading hopper 5；Described second, which weighs mixed organization, includes
Second sleeve 6, the second sleeve 6 is connected to the fixation of one end of the first sleeve 1 far from the loading hopper 5, described
The second spiral driven rod 7 is equipped in second sleeve 6, the spiral density of the second spiral driven rod 7 is greater than first spiral
One end of driven rod 3, the second spiral driven rod 7 is connected by second bearing 8 with the inner wall of the second sleeve 6, institute
The side for stating second sleeve 6 is equipped with water inlet 9, and the second spiral driven rod 7 is equipped with second far from one end of the bearing and moves
Force mechanisms 10, the second sleeve 6 are equipped with the first discharge nozzle 11 far from one end of the first sleeve 1.
Above scheme through the invention passes through the first spiral driven rod 3 by the way that material is entered the first mixed organization
It enables loading hopper 5 enter material and can obtain first to stir again, is then entered by water inlet 9 and water is output to second sleeve
In 6, the material stirred again by first can be obtained the second spiral driven rod 7 progress second by addition water and be stirred again, so
Repeatedly, further the material being uniformly mixed is again stirring for first by material stirring, then after filling the water, to can guarantee dry-mixed
The uniform stirring of mortar can guarantee the mortar quality of output.
Embodiment two:
Fig. 1-4 is please referred to, for the first power mechanism 4 and the second power mechanism 10,4 He of the first power mechanism
Second power mechanism 10 includes motor, and the output end of the motor is equipped with the first belt pulley, the first spiral transmission
It is fixed with the second belt pulley on one end of bar 3 and the second spiral driven rod 7 respectively, first belt pulley and described the
It is connected between two belt pulleys by belt, the belt extends through the first sleeve 1 and second sleeve 6.For first
For discharge nozzle 11, first discharge nozzle 11 is connected with the input terminal of concrete pump 12, the output of the concrete pump 12
End be equipped with third weight mixed organization, the third weight mixed organization includes mixing drum 13, the output end of the concrete pump 12 with
The bottom end side of the mixing drum 13 is connected, the mixing drum 13 be equipped with stirring motor 14, the stirring motor 14 it is defeated
Outlet, which is located in the mixing drum 13, is equipped with stirring rod 15, is successively fixed with several spiral material transfer pieces 16 on the stirring rod 15
The second discharge nozzle 18 is equipped with the side of stirring sheet 17, the mixing drum 13.For loading hopper 5, the loading hopper 5
Top is equipped with feeding mechanism.The feeding mechanism includes feed device and cutter device, and the feed device includes track 19, institute
It states and is fixed with ratchet 20 in track 19, several movable plates 21 are equipped between the track 19, the lower fixation of the movable plate 21 is set
Having quantity is two hooks 22, and the two sides of the movable plate 21 are equipped with ratchet 23, institute by the 3rd bearing that quantity is four
It states ratchet 23 to be adapted with the ratchet 20, chain 24 is connected on the ratchet 23, is fixed with skin on the chain 24
Band 25, the shape of the belt 25 is consistent with the shape of the track 19, the two sides of the belt 25 be respectively equipped with driving wheel and
Driven wheel, described link up with are hung with mortar raw material bag 26 on 22.For cutter device, the cutter device includes automatic past
Multiple hydraulic cylinder 27, the output end of the automatic reciprocating hydraulic cylinder 27 are fixed with cutting blade 28, the cutting blade 28 and institute
The output end for stating automatic reciprocating hydraulic cylinder 27 is fixed with reinforcing rib.
Above scheme through the invention, to the material after the completion of stirring via injection mixing drum 13 after concrete pump 12
It is interior, also, constantly 13 bottom of mixing drum is pressurized, will can constantly it be entered by stirring sheet 17 and spiral material transfer piece 16
It carries out being again stirring for it being enabled to move up to slurry, be discharged by the second discharge nozzle 18, further in the quality for increasing stirring,
The quality for increasing discharging, increases the quality of building.By the way that feeding mechanism is arranged, enable related personnel by mortar raw material bag
It is hanging on hook 22, chain 24 is driven by belt 25 and is rotated, while being able to drive the rotation of ratchet 23, ratchet 23 is in ratchet
It carries out being rotated in track 19 under 20 limitation moving, and then mortar raw material bag 26 is enabled to be moved to the upper of loading hopper 5
Side, automatic reciprocating hydraulic cylinder 27 pushes at this time, enables cutting blade 28 that can cut mortar raw material bag 26 into two, and then can
Material therein is dropped in loading hopper 5, blanking, also, remaining empty bag is completed, can be rotated to by hook 22
Removed at feeding, repeatedly, can continue carry out work, further, it is possible to by rotation speed with it is automatic reciprocating hydraulic
The frequency that cylinder 27 pushes, can control the frequency of charging, so as to control the ratio between water and pan feeding, so as to make
The intensity for obtaining material can more precisely.
In order to facilitate above-mentioned technical proposal of the invention is understood, below just present invention working principle in the actual process or
Person's mode of operation is described in detail.
In practical application, enabling charging leakage by the first spiral driven rod 3 by the way that material is entered the first mixed organization
Bucket 5 enters material and can obtain first to be stirred again, is then entered by water inlet 9 and water is output in second sleeve 6, process
First material stirred again can be obtained the second spiral driven rod 7 progress second by addition water and be stirred again, repeatedly, first will
Material stirring, then further the material being uniformly mixed is again stirring for after filling the water, to can guarantee the equal of dry-mixed mortar
Even stirring can guarantee the mortar quality of output.Material after the completion of stirring is injected in mixing drum 13 via after concrete pump 12,
Also, constantly 13 bottom of mixing drum is pressurized, will can constantly be entered by stirring sheet 17 and spiral material transfer piece 16
Slurry carries out being again stirring for it being enabled to move up, and is discharged by the second discharge nozzle 18, further in the quality for increasing stirring, increases
The quality for adding discharging increases the quality of building.By the way that feeding mechanism is arranged, related personnel is hanged mortar raw material bag
It is suspended on hook 22, chain 24 is driven by belt 25 and is rotated, while being able to drive the rotation of ratchet 23, ratchet 23 is in ratchet 20
Limitation under be rotated in track 19 and move, and then mortar raw material bag 26 is enabled to be moved to the top of loading hopper 5,
Automatic reciprocating hydraulic cylinder 27 pushes at this time, enables cutting blade 28 that can cut mortar raw material bag 26 into two, and then can incite somebody to action
Material therein drops in loading hopper 5, completes blanking, also, remaining empty bag, can be rotated to by hook 22
It is removed at material, repeatedly, what can be continued work, further, it is possible to speed and automatic reciprocating hydraulic cylinder by rotation
27 frequencies pushed, can control the frequency of charging, so as to control the ratio between water and pan feeding, so that
The intensity of material can more precisely.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of mortar blending device, which is characterized in that including the first weight mixed organization and the second heavy mixed organization, described first
Weight mixed organization includes first sleeve (1), is equipped with first bearing (2) in the middle part of one end of first sleeve (1) inner wall, and described the
It is connected by the connecting rod that quantity is four with the first sleeve (1) around one bearing (2), the first bearing (2)
Middle part be located at the first sleeve (1) inside be equipped with the first spiral driven rod (3), the first spiral driven rod (3)
One end is equipped with the first power mechanism (4), and one end of the first sleeve (1) is equipped with loading hopper (5)；
The second weight mixed organization includes second sleeve (6), the second sleeve (6) and separate the loading hopper (5)
The fixed connection in one end of the first sleeve (1), is equipped with the second spiral driven rod (7) in the second sleeve (6), and described second
The spiral density of spiral driven rod (7) is greater than the first spiral driven rod (3), one end of the second spiral driven rod (7)
It is connected by second bearing (8) with the inner wall of the second sleeve (6), the side of the second sleeve (6) is equipped with water inlet
(9), the second spiral driven rod (7) is equipped with the second power mechanism (10) far from one end of the bearing, the second sleeve
(6) one end far from the first sleeve (1) is equipped with the first discharge nozzle (11).
2. a kind of mortar blending device according to claim 1, which is characterized in that first power mechanism (4) and institute
Stating the second power mechanism (10) includes motor, and the output end of the motor is equipped with the first belt pulley, the first spiral transmission
It is fixed with the second belt pulley, first belt pulley and institute respectively on one end of bar (3) and the second spiral driven rod (7)
It states and is connected between the second belt pulley by belt, the belt extends through the first sleeve (1) and second sleeve (6).
3. a kind of mortar blending device according to claim 2, which is characterized in that first discharge nozzle (11) and coagulation
The input terminal of soil pump (12) is connected, and the output end of the concrete pump (12) is equipped with third weight mixed organization, the third weight
Mixed organization includes mixing drum (13), and the output end of the concrete pump (12) is connected with the bottom end side of the mixing drum (13)
Logical, the mixing drum (13) is equipped with stirring motor (14), and the output end of the stirring motor (14) is located at the mixing drum
(13) stirring rod (15) are equipped in, are successively fixed with several spiral material transfer pieces (16) and stirring sheet on the stirring rod (15)
(17), the side of the mixing drum (13) is equipped with the second discharge nozzle (18).
4. a kind of mortar blending device according to claim 3, which is characterized in that be equipped with above the loading hopper (5)
Feeding mechanism.
5. a kind of mortar blending device according to claim 4, which is characterized in that the feeding mechanism includes feed device
And cutter device, the feed device include track (19), are fixed with ratchet (20), the track in the track (19)
(19) several movable plates (21) are equipped between, the hook (22) that quantity is two is fixed under the movable plate (21), it is described
The two sides of movable plate (21) are equipped with ratchet (23) by the 3rd bearing that quantity is four, the ratchet (23) and the ratchet
(20) it is adapted, is connected with chain (24) on the ratchet (23), is fixed with belt (25) on the chain (24), it is described
The shape of belt (25) is consistent with the shape of the track (19), and the two sides of the belt (25) are respectively equipped with driving wheel and driven
It takes turns, is hung with mortar raw material bag (26) on the hook (22).
6. a kind of mortar blending device according to claim 1, which is characterized in that the cutter device includes automatic reciprocating
The output end of hydraulic cylinder (27), the automatic reciprocating hydraulic cylinder (27) is fixed with cutting blade (28), the cutting blade
(28) reinforcing rib is fixed with the output end of the automatic reciprocating hydraulic cylinder (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910820504.0A CN110421714A (en) | 2019-09-02 | 2019-09-02 | A kind of mortar blending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910820504.0A CN110421714A (en) | 2019-09-02 | 2019-09-02 | A kind of mortar blending device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110421714A true CN110421714A (en) | 2019-11-08 |
Family
ID=68418434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910820504.0A Withdrawn CN110421714A (en) | 2019-09-02 | 2019-09-02 | A kind of mortar blending device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110421714A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931956A (en) * | 2021-10-27 | 2022-01-14 | 曲阜天博汽车制动器有限公司 | Formula preparation process and device for enhanced premixed composite friction material and friction lining |
-
2019
- 2019-09-02 CN CN201910820504.0A patent/CN110421714A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931956A (en) * | 2021-10-27 | 2022-01-14 | 曲阜天博汽车制动器有限公司 | Formula preparation process and device for enhanced premixed composite friction material and friction lining |
| CN113931956B (en) * | 2021-10-27 | 2023-12-05 | 曲阜天博汽车制动器有限公司 | Enhanced pre-mixed composite friction material, friction lining formula preparation process and device |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191108 |
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| WW01 | Invention patent application withdrawn after publication |