CN114294999A - Throwing device and throwing method - Google Patents
Throwing device and throwing method Download PDFInfo
- Publication number
- CN114294999A CN114294999A CN202111441047.8A CN202111441047A CN114294999A CN 114294999 A CN114294999 A CN 114294999A CN 202111441047 A CN202111441047 A CN 202111441047A CN 114294999 A CN114294999 A CN 114294999A
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- projectile
- throwing
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000007789 gas Substances 0.000 claims abstract description 103
- 238000007789 sealing Methods 0.000 claims abstract description 61
- 239000002737 fuel gas Substances 0.000 claims abstract description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 9
- 239000013589 supplement Substances 0.000 claims description 4
- 238000005266 casting Methods 0.000 abstract description 19
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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Abstract
The invention discloses a throwing device and a throwing method, which comprise a throwing cylinder, a base connected to the throwing cylinder and sealing one end opening of the throwing cylinder, a piston positioned in the throwing cylinder and a locking device arranged on the throwing cylinder and used for locking a projectile positioned in the throwing cylinder, wherein an air cavity is enclosed between the base and the piston, a fuel gas generating assembly is arranged on the base, an annular flexible sealing element is sleeved on the piston, an inflation inner cavity used for inflating gas to force the annular flexible sealing element to expand and deform so as to enable the annular flexible sealing element to be tightly contacted with the inner wall of the throwing cylinder is arranged between the annular flexible sealing element and the piston, and the inflation inner cavity is provided with an inflation port communicated with the air cavity. The structure is simple, the cost is low, the manufacture and the assembly are easy, the work is stable and reliable, the sealing and pressure maintaining performance is good, and the casting stability is good; the throwing method is that several gas generators of the throwing device are ignited successively in batches to prolong the time of inflating the air cavity and realize low overload and high speed throwing.
Description
Technical Field
The invention relates to the technical field of weapon launching equipment, in particular to a throwing device and a throwing method.
Background
The principle of the projectile device for storing and projecting projectiles is that a gas system is ignited, a gas mixture is sprayed into a barrel body through a nozzle according to set flow speed and flow, a pressure field is established at the bottom of the barrel body, and when the pressure field reaches a set value, a locking device is cut off, so that the projectiles are pushed to move along the barrel body and are projected out.
At present, the realization of low-overload high-speed projectile in a limited space is still a technical difficulty to be solved by a weapon system, when the projectile is thrown at high speed, the projectile is greatly overloaded, the damage of electrical components in the projectile is easily caused, and the projectile cannot enter a normal working mode; in addition, the existing casting device (especially a square casting device) has poor tightness and rapid pressure relief, so that the problems of poor casting stability, low casting speed and the like are caused, and even casting failure can be caused.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art, provides a casting device which has the advantages of simple structure, low cost, easy manufacture and assembly, stable and reliable work, good sealing and pressure maintaining performance and good casting stability, and correspondingly provides a casting method for realizing high-speed low-overload casting by adopting the casting device.
In order to solve the technical problems, the invention adopts the following technical scheme:
a throwing device comprises a throwing cylinder, a base, a piston and a locking device, wherein the base is connected to the throwing cylinder and seals an opening at one end of the throwing cylinder, the piston is positioned in the throwing cylinder, the locking device is arranged on the throwing cylinder and is used for locking a projectile positioned in the throwing cylinder, an air cavity is enclosed between the base and the piston, a fuel gas generating assembly is arranged on the base, an annular flexible sealing element is sleeved on the piston, an inflation inner cavity is arranged between the annular flexible sealing element and the piston and is used for inflating gas to force the annular flexible sealing element to expand and deform so as to enable the annular flexible sealing element to be in close contact with the inner wall of the throwing cylinder, and the inflation inner cavity is provided with an inflation port communicated with the air cavity.
In the above-mentioned projection device, preferably, the annular flexible sealing member has a through hole sleeved on the piston, one end of the through hole close to the air cavity is provided with a counter bore, the counter bore and the outer wall of the piston enclose to form the inflation inner cavity, and the open end of the counter bore and the outer wall of the piston enclose to form an annular opening as the inflation inlet.
In the above-mentioned projecting device, preferably, the two ends of the piston are respectively provided with an annular guide boss which is in guide fit with the inner wall of the projecting cylinder, an annular accommodating groove is formed between the two annular guide bosses, the annular flexible sealing member is installed in the annular accommodating groove, the two ends of the annular flexible sealing member respectively abut against the annular guide bosses at the two ends of the piston, and the annular guide boss close to the air cavity is provided with a communication channel which communicates the air cavity with the inflation inlet.
In the above-mentioned projecting device, preferably, the communicating channel is a communicating hole.
In the above-mentioned ejection device, preferably, the ejection cylinder and the piston are both square, and the four side edges of the square piston are provided with communication channels for communicating the air cavity and the inflation inlet.
In the above-described projectile apparatus, preferably the annular flexible seal contacts the inner wall of the projectile barrel when not inflated.
In the above-mentioned projectile device, preferably, the gas generating assembly includes a plurality of gas generators mounted on the base for generating high-pressure gas to be charged into the gas chamber.
In the above-mentioned projectile device, preferably, the plurality of gas generators include a main gas generator and four auxiliary combustion-supporting gas generators, the main gas generator is located on a central line of the projectile barrel, the four auxiliary combustion-supporting gas generators are divided into two pairs by taking two auxiliary combustion-supporting gas generators as a pair, and the two auxiliary combustion-supporting gas generators of each pair are symmetrically arranged relative to the central line of the projectile barrel.
In the above-mentioned projection device, preferably, the main gas generator and the auxiliary gas generator are installed in a threaded through hole formed in the base in a threaded connection manner.
As a general technical concept, the present invention also provides a projectile method of the above-mentioned projectile device, the projectile method comprising, after the projectile is loaded into the projectile barrel and locked by the locking device, igniting a pair of auxiliary combustion-supporting gas generators, the pair of auxiliary combustion-supporting gas generators generating pressure gas and charging the pressure gas into the gas chamber; after the locking device releases the locking of the projectile and the projectile starts to move, igniting the main gas generator within a first preset time, and generating pressure gas by the main gas generator to force the projectile to move in an accelerated manner; igniting one of the remaining pair of auxiliary combustion-supporting gas generators after the second preset time to supplement the pressure in the gas cavity, igniting the other of the remaining pair of auxiliary combustion-supporting gas generators after the third preset time to further supplement the pressure in the gas cavity, and ejecting the projectile out of the ejection cylinder.
Compared with the prior art, the invention has the advantages that:
according to the ejection device, the annular flexible sealing element is sleeved on the piston, the inflation inner cavity is arranged between the annular flexible sealing element and the piston and is provided with the inflation inlet communicated with the air cavity, and high-pressure gas generated by the gas generation assembly enters the air cavity during ejection and then enters the inflation inner cavity through the inflation inlet, so that the annular flexible sealing element is expanded and deformed to be in close contact with the inner wall of the ejection cylinder to form extrusion sealing, the sealing property between the piston and the inner wall of the ejection cylinder can be improved, the gas leakage is reduced, the pressure maintaining effect of the air cavity is good, the effective work amount of the high-pressure gas is increased, and the ejection stability is improved. The casting device also has the advantages of simple structure, low cost, easy manufacture and assembly, and stable and reliable work.
The casting method has the advantages of the casting device, can realize low-overload high-speed casting, and is easy to implement, popularize and apply.
Drawings
Figure 1 is a main sectional structural schematic view of the projectile apparatus.
Figure 2 is a schematic view of the projectile apparatus from below.
Fig. 3 is a schematic bottom view of the piston.
Fig. 4 is a sectional structural view of the piston.
Illustration of the drawings:
1. a projectile barrel; 11. an air cavity; 2. a base; 3. a piston; 31. an annular guide boss; 32. an annular accommodating groove; 33. a communicating hole; 4. a locking device; 5. an annular flexible seal; 6. a main gas generator; 7. auxiliary combustion-supporting gas generator; 100. an inflation inner cavity; 200. an inflation inlet.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples.
As shown in fig. 1 to 4, the projectile device of the embodiment includes a projectile barrel 1, a base 2 connected to the projectile barrel 1 and closing an opening at one end of the projectile barrel 1, a piston 3 located in the projectile barrel 1, and a locking device 4 arranged on the projectile barrel 1 and used for locking a projectile located in the projectile barrel 1, an air chamber 11 is defined between the base 2 and the piston 3, a gas generating assembly is mounted on the base 2, an annular flexible sealing member 5 is sleeved on the piston 3, an inflation inner chamber 100 for inflating gas to force the annular flexible sealing member 5 to expand and deform so as to make the annular flexible sealing member 5 tightly contact with an inner wall of the projectile barrel 1 is arranged between the annular flexible sealing member 5 and the piston 3, and the inflation inner chamber 100 is provided with an inflation port 200 communicated with the air chamber 11. This casting device is equipped with annular flexible sealing member 5 on piston 3, be equipped with between annular flexible sealing member 5 and the piston 3 and aerify inner chamber 100, it has the charging port 200 of intercommunication air cavity 11 to aerify inner chamber 100, high-pressure gas that the subassembly produced takes place in the gas when casting gets into air cavity 11 after, can get into through charging port 200 and aerify inner chamber 100, make annular flexible sealing member 5 bulging deformation and throw section of thick bamboo 1 inner wall in close contact with, form extrusion seal, can promote the leakproofness between piston 3 and the throw section of thick bamboo 1 inner wall, reduce gaseous leakage, it is effectual to make the pressurize of air cavity 11, increase high-pressure gas's effective work load, promote the stability of casting. The casting device also has the advantages of simple structure, low cost, easy manufacture and assembly, and stable and reliable work.
In this embodiment, the annular flexible sealing member 5 has a through hole sleeved on the piston 3, a counter bore is arranged at one end of the through hole close to the air cavity 11, the counter bore and the outer wall of the piston 3 enclose to form an inflation inner cavity 100, and the open end of the counter bore and the outer wall of the piston 3 enclose to form an annular opening as an inflation opening 200. On one hand, only the annular flexible sealing element 5 with a counter bore at one end of the through hole needs to be manufactured, the annular flexible sealing element 5 is sleeved on the piston 3, and an inflation inner cavity 100 and an inflation opening 200 are formed, the manufacturing is simple and convenient, the cost is low, and compared with the method that an independent inner cavity is directly manufactured on the annular flexible sealing element 5, the thickness and the size of the annular flexible sealing element 5 can be reduced, the space for installing the annular flexible sealing element 5 between the piston 3 and the projectile tube 1 is reduced, so that a larger size space for inserting projectiles can be reserved in the piston 3, and the structural compactness is improved; on the other hand, after the inflation inner cavity 100 is filled with gas, only a part of the annular flexible sealing element 5 close to the gas cavity 11 expands and tilts outwards and is in close contact with the projecting cylinder 1, and the rest part does not expand and deform, so that the sealing device has good sealing performance, reduces the contact surface area of the annular flexible sealing element 5 in close contact with the inner wall of the projecting cylinder 1 due to expansion and deformation, is favorable for reducing friction force, and reduces energy consumption loss.
In this embodiment, the two ends of the piston 3 are respectively provided with an annular guide boss 31 which is matched with the inner wall of the projectile barrel 1 in a guide manner, an annular accommodating groove 32 is formed between the two annular guide bosses 31, the annular flexible sealing element 5 is installed in the annular accommodating groove 32, the two ends of the annular flexible sealing element 5 are respectively abutted against the annular guide bosses 31 at the two ends of the piston 3, and a communication channel which is communicated with the air cavity 11 and the inflation inlet 200 is arranged on the annular guide boss 31 which is close to the air cavity 11. The mounting structure enables the annular flexible sealing element 5 to be stably and reliably mounted, has good sealing performance, is convenient to process, manufacture and assemble, utilizes the structure of the piston 3 to seal and guide as far as possible, and is favorable for ensuring the sealing performance and the guiding performance.
In this embodiment, the communicating passage is the communicating hole 33, and the sealing performance and the guiding performance between the structure of the piston 3 itself and the inner wall of the barrel 1 are not affected.
In this embodiment, the projectile tube 1 and the piston 3 are both square, and four side positions of the square piston 3 are provided with communication channels for communicating the air cavity 11 with the inflation inlet 200. Make the annular flexible sealing member 5 dilatational strain quick, even, do benefit to and improve sealed reliable and stable nature, especially when the clearance of a section of thick bamboo 1 and piston 3 is square clearance, this kind of structural style can improve sealed reliable and stable nature greatly, has guaranteed the structural strength of piston 3 itself simultaneously.
In the embodiment, the annular flexible sealing element 5 is in contact with the inner wall of the projectile barrel 1 when the annular flexible sealing element 5 is not inflated, and the sealing performance is good when the annular flexible sealing element 5 is not inflated.
In this embodiment, the gas generating assembly includes a plurality of gas generators installed on the base 2 for generating high-pressure gas to be charged into the gas chamber 11. The arrangement of the plurality of gas generators can ignite the gas generators in batches when the projectile throws, so that the time for inflating the gas cavity 11 is prolonged, the impact overload on the projectile is greatly reduced, the damage to electric components in the projectile is avoided, the normal launching is ensured, and the purpose of low-overload high-speed projectile is achieved.
In this embodiment, the multiple gas generators include a main gas generator 6 and four auxiliary combustion-supporting gas generators 7, the main gas generator 6 is located on the central line of the projectile barrel 1, the four auxiliary combustion-supporting gas generators 7 are divided into two pairs by taking two auxiliary combustion-supporting gas generators as a pair, and the two auxiliary combustion-supporting gas generators 7 of each pair are symmetrically arranged relative to the central line of the projectile barrel 1. In the process of sequentially igniting the gas generators in batches, when the two auxiliary combustion-supporting gas generators 7 of a pair are ignited at the same time, the positions of the high-pressure gas generated by the two auxiliary combustion-supporting gas generators 7 entering the gas cavity 11 are symmetrical relative to the central line of the projectile barrel 1, the acting force on the projectile is uniform, and the projectile stability can be improved.
In this embodiment, the main gas generator 6 and the auxiliary gas generator 7 are installed in a threaded through hole provided in the base 2 in a threaded connection manner. The sealing performance is good, and the assembly and disassembly are convenient. Preferably, thread glue is applied to the connection threads to further improve the sealing property.
In this embodiment, preferably, the base 2 has an insertion portion inserted into the shooting barrel 1 to form a location, and the insertion portion and the shooting barrel 1 are fastened by screws, so that the base 2 is stably and reliably mounted, and the sealing performance between the base 2 and the shooting barrel 1 is good. The outside of the throwing cylinder 1 and the base 2 is wrapped by nonmetal such as glass fiber or carbon fiber, so that the sealing performance and the structural consistency are ensured. The annular flexible sealing element 5 is made of rubber materials. When the projectile is not thrown, the locking device 4 fixes the projectile in the throwing cylinder 1, and when the projectile is thrown, the projectile is locked to play a role in establishing the throwing pressure, the locking device 4 adopts the prior art and mainly adopts two types, one type is a locking pin type locking mechanism which is sheared after the preset shearing force is reached, and the other type is a controllable locking mechanism which can control the movement of the projectile and relieve the blocking effect.
After the projectile is loaded into the projectile cylinder 1 and locked by the locking device 4, a pair of auxiliary combustion-supporting gas generators 7 are ignited, the auxiliary combustion-supporting gas generators 7 generate pressure gas and are filled into the gas cavity 11, and meanwhile, the pressure gas enters the annular flexible sealing element 5 from a communication channel on the piston 3, so that the annular flexible sealing element 5 is expanded and deformed, and the gas leakage is prevented; along with the continuous increase of the pressure in the air cavity 11, the force of the piston 3 for pushing the projectile to the outlet of the projectile cylinder 1 is continuously increased, when the pushing force of the piston 3 reaches a certain value, the locking device 4 releases the locking of the projectile and the projectile starts to move, the main gas generator 6 is ignited after a first preset time, the main gas generator 6 generates pressure gas and quickly fills the air cavity 11, and the projectile is forced to move in an accelerated manner; along with the accelerated movement of the projectile, the pressure gas generated by the main gas generator 6 is reduced, one of the remaining pair of auxiliary combustion-supporting gas generators 7 is ignited after the second preset time, the pressure in the gas supplementing cavity 11 is supplemented, the other one of the remaining pair of auxiliary combustion-supporting gas generators 7 is ignited after the third preset time, the pressure in the gas supplementing cavity 11 is further supplemented, and the projectile is ejected out of the projectile barrel 1.
According to the throwing method of the throwing device, the main fuel gas generator 6 and the auxiliary fuel gas generators 7 are sequentially ignited in batches according to the preset sequence and time, so that the time for inflating the air cavity 11 can be prolonged, the impact overload on the throwing object is greatly reduced, the electric components in the throwing object are prevented from being damaged, the normal emission is ensured, and the purposes of low-overload high-speed throwing are achieved. By reasonably designing the ignition sequence and time of the main gas generator 6 and the auxiliary combustion-supporting gas generators 7, stable and satisfactory throwing can be realized. It is easy to implement, popularize and apply.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-described embodiments. Modifications and variations that may occur to those skilled in the art without departing from the spirit and scope of the invention are to be considered as within the scope of the invention.
Claims (10)
1. The utility model provides a throwing device, includes throwing a section of thick bamboo (1), connect on throwing a section of thick bamboo (1) and with base (2) that throwing a section of thick bamboo (1) one end opening is confined, be located piston (3) in throwing a section of thick bamboo (1) and locate on throwing a section of thick bamboo (1) be used for locking be located the locking device (4) of throwing the projectile in section of thick bamboo (1), enclose into an air cavity (11) between base (2) and piston (3), install the gas on base (2) and take place the subassembly, its characterized in that: the annular flexible sealing element (5) is sleeved on the piston (3), an inflation inner cavity (100) used for inflating gas to force the annular flexible sealing element (5) to expand and deform so as to enable the annular flexible sealing element (5) to be in close contact with the inner wall of the projectile tube (1) is arranged between the annular flexible sealing element (5) and the piston (3), and the inflation inner cavity (100) is provided with an inflation opening (200) communicated with the air cavity (11).
2. The projectile device as set forth in claim 1, wherein: the annular flexible sealing element (5) is provided with a through hole sleeved on the piston (3), a counter bore is arranged at one end, close to the air cavity (11), of the through hole, the counter bore and the outer wall of the piston (3) are enclosed to form the inflation inner cavity (100), and the opening end of the counter bore and the outer wall of the piston (3) are enclosed to form an annular opening serving as the inflation opening (200).
3. The projectile device as claimed in claim 2, wherein: the two ends of the piston (3) are respectively provided with an annular guide boss (31) which is matched with the inner wall of the projectile tube (1) in a guide mode, an annular accommodating groove (32) is formed between the two annular guide bosses (31), the annular flexible sealing element (5) is installed in the annular accommodating groove (32), the two ends of the annular flexible sealing element (5) are respectively abutted to the annular guide bosses (31) at the two ends of the piston (3), and a communication channel which is communicated with the air cavity (11) and the inflation inlet (200) is formed in the annular guide boss (31) which is close to the air cavity (11).
4. The projectile device as claimed in claim 3, wherein: the communication channel is a communication hole (33).
5. The projectile device as claimed in claim 3, wherein: the ejection cylinder (1) and the piston (3) are square, and communication channels for communicating the air cavity (11) with the inflation inlet (200) are arranged at the positions of four side edges of the square piston (3).
6. The projectile device as set forth in claim 1, wherein: the annular flexible seal (5) is in contact with the inner wall of the projectile barrel (1) when not inflated.
7. The projectile device as claimed in any one of claims 1 to 6, wherein: the gas generating assembly comprises a plurality of gas generators which are arranged on a base (2) and are used for generating high-pressure gas to be filled into the gas cavity (11).
8. The projectile device as claimed in claim 7, wherein: the fuel gas generators comprise a main fuel gas generator (6) and four auxiliary combustion-supporting gas generators (7), the main fuel gas generator (6) is positioned on the central line of the projectile barrel (1), the four auxiliary combustion-supporting gas generators (7) are divided into two pairs by taking two auxiliary combustion-supporting gas generators as a pair, and the two auxiliary combustion-supporting gas generators (7) of each pair are symmetrically arranged relative to the central line of the projectile barrel (1).
9. The projectile device as claimed in claim 8, wherein: the main fuel gas generator (6) and the auxiliary combustion-supporting gas generator (7) are arranged in a threaded through hole arranged on the base (2) in a threaded connection mode.
10. A method of projecting the projecting device of claim 8, wherein: the throwing method comprises the steps that after a throwing object is loaded into a throwing cylinder (1) and locked by a locking device (4), a pair of auxiliary combustion-supporting gas generators (7) are ignited, and pressure gas is generated by the pair of auxiliary combustion-supporting gas generators (7) and is filled into a gas cavity (11); after the locking device (4) releases the locking of the projectile and the projectile starts to move, igniting the main gas generator (6) after a first preset time, and generating pressure gas by the main gas generator (6) to force the projectile to move in an accelerated manner; igniting one of the remaining pair of auxiliary combustion-supporting gas generators (7) after the second preset time to supplement the pressure in the gas cavity (11), igniting the other of the remaining pair of auxiliary combustion-supporting gas generators (7) after the third preset time to further supplement the pressure in the gas cavity (11), and throwing the projectile out of the throwing barrel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111441047.8A CN114294999A (en) | 2021-11-30 | 2021-11-30 | Throwing device and throwing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111441047.8A CN114294999A (en) | 2021-11-30 | 2021-11-30 | Throwing device and throwing method |
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| Publication Number | Publication Date |
|---|---|
| CN114294999A true CN114294999A (en) | 2022-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111441047.8A Pending CN114294999A (en) | 2021-11-30 | 2021-11-30 | Throwing device and throwing method |
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| CN (1) | CN114294999A (en) |
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2021
- 2021-11-30 CN CN202111441047.8A patent/CN114294999A/en active Pending
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|---|---|---|---|---|
| CN102631732A (en) * | 2012-03-30 | 2012-08-15 | 杭州龙德医用器械有限公司 | Low-resistance piston component of syringe |
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