CN207095393U - A kind of novel two-stage light-gas gun piston apparatus - Google Patents
A kind of novel two-stage light-gas gun piston apparatus Download PDFInfo
- Publication number
- CN207095393U CN207095393U CN201720329098.4U CN201720329098U CN207095393U CN 207095393 U CN207095393 U CN 207095393U CN 201720329098 U CN201720329098 U CN 201720329098U CN 207095393 U CN207095393 U CN 207095393U
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- China
- Prior art keywords
- nylon66 fiber
- counterweight
- tungsten alloy
- rear end
- groove
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Abstract
A kind of novel two-stage light-gas gun piston apparatus,It is the piston three stage structure of nylon66 fiber tungsten alloy nylon66 fiber,Front end nylon66 fiber,Tungsten alloy counterweight and rear end nylon66 fiber are disposed as cylinder,The front end of front end nylon66 fiber is provided with front end nylon66 fiber horn mouth,Front end nylon66 fiber side wall is provided with front end nylon66 fiber groove,Tungsten alloy counterweight front end is provided with tungsten alloy counterweight and front end nylon66 fiber connection bump,Tungsten alloy counterweight rear end is provided with tungsten alloy counterweight and rear end nylon66 fiber connection bump,The cylinder axis of the front end of rear end nylon66 fiber is provided with rear end nylon66 fiber and counterweight connecting groove,The balanced design of the utility model nylon66 fiber tungsten alloy nylon66 fiber three-stage suitably reduces counterweight diameter,It is not easy to block pump line,Avoid removing damage of the counterweight to pump line,It will not also block pump line through appearance deformation jumping-up is used for multiple times even if counterweight,But rest on high-voltage cone section,Easily take out.
Description
Technical field
It the utility model is related to ultrahigh speed bullet Qu Donglingyu, and in particular to gas-powered two-stage light gas gun bullet loading system
The piston and balance weight combined device of system.
Background technology
The research of the protection of space junk, kinetic energy weapon etc. is required for developing ultrahigh speed bullet actuation techniques.Due to
Gas-powered two-stage light gas gun has the characteristics of launching variously-shaped bullet, there is wider fit to bullet quality, size and material
Scope is answered, is one of most widely used technology in the driving of ultrahigh speed bullet.Two-stage light gas gun is mainly by I and II air chamber, electricity
Magnet valve, piston, pump line, high-voltage cone section, diaphragm, bullet, transmitting tube, target cabin composition.
Gas-powered two-stage light gas gun driving bullet operation principle be：One-level air chamber is filled with to quantitative nitrogen or helium
Gas, pump line are filled with appropriate hydrogen, and transmitting tube vacuumizes with target chamber, is excited by magnetic valve, the gases at high pressure moment of one-level air chamber
Release promotes piston to accelerate, and the hydrogen in pump line is by Fast Compression, and when being compressed to certain value, gases at high pressure break through diaphragm,
Promote bullet to accelerate into transmitting tube, bullet is reached very high velocity collision research object.
The effect of piston is the light gas being delivered to air chamber inner high voltage gas energy in pump line, and isolates one-level gas
Gas in room and pump line forms the unapproachable high temperature of conventional method, high pressure in pump line, increases substantially lightweight in pump line
The velocity of sound of gas, and then improve the purpose of bullet speed.
At present, domestic gas-powered two-stage light gas gun piston and balance weight combined device use two-part structure, i.e. front end more
Polyethylene add the counterweight copper post of rear end, be the advantages of this design：(1) while meet that the weight demands of piston and front end deform
Requirement, i.e., when entering high-voltage cone section, the powerful inertia of counterweight copper post can make polyethylene keep higher deformation velocity, increase
Add gas pressure, be advantageous to bullet and moved with higher speed；(2) counterweight copper post can repeatedly use；Shortcoming is：(1) match somebody with somebody
For weight copper post because moment heating is easily deformed jumping-up in high-speed motion, diameter can halt when being more than pump line inwall blocks pump
Pipe, driving failure damage pump line simultaneously, and counterweight can not reuse；(2) it is poor to the sealing of rear and front end air chamber, counterweight copper post
Diameter and pump line inner diameter difference it is too small easily scratch pump line, the excessive sealing to front and rear two sections of air chambers of diameter difference is poor；(3)
Density is smaller, lighter in weight, low to front end air chamber driving energy utilization ratio.
For shortcoming present in prior art and weak point, it is necessary to which providing one kind has novelty and creativeness
Device.
Utility model content
The utility model provides the piston and balance weight combined device of a kind of new gas driving two-stage light gas gun, is solved with this
Certainly it is easily deformed at present existing for the piston and balance weight combined device of domestic gas-powered two-stage light gas gun, sealing is poor, driving
Can the drawback such as utilization ratio is low.
The utility model is achieved through the following technical solutions：New gas drives two-stage light gas gun piston and counterweight
Combination unit, it is arranged to the piston three stage structure of nylon66 fiber-tungsten alloy-nylon66 fiber, including：Front end nylon66 fiber, tungsten alloy
Counterweight, rear end nylon66 fiber；Front end nylon66 fiber groove, front end nylon66 fiber horn mouth, front end nylon66 fiber and counterweight connecting groove, tungsten close
Golden counterweight groove, tungsten alloy counterweight and front end nylon66 fiber connection bump；Rear end nylon66 fiber and counterweight connecting groove, rear end nylon66 fiber
Groove, tungsten alloy counterweight and rear end nylon66 fiber connection bump and O-ring seal；
The O-ring seal includes front end nylon66 fiber O-ring seal；Tungsten alloy counterweight O-ring seal；Rear end nylon66 fiber sealing
Cushion rubber；
The front end nylon66 fiber, tungsten alloy counterweight and rear end nylon66 fiber are disposed as cylinder, and front end nylon66 fiber is with after
Hold the cross-sectional diameter of nylon66 fiber identical, the diameter of the cross-sectional diameter of the tungsten alloy counterweight than front end nylon66 fiber cross section
Small 1mm；
The front end of the front end nylon66 fiber is provided with front end nylon66 fiber horn mouth, and front end nylon66 fiber horn mouth improves envelope gas
Ability, a circle front end nylon66 fiber groove is provided with the side wall of the front end nylon66 fiber, front end nylon66 fiber groove is provided with one
Front end nylon66 fiber O-ring seal is enclosed, to strengthen sealing effectiveness, the rear end of the front end nylon66 fiber is set front end nylon66 fiber O-ring seal
Front end nylon66 fiber and counterweight connecting groove are equipped with, the front end nylon66 fiber is arranged to cylinder with counterweight connecting groove, and sets
The cylinder axis opening position of nylon66 fiber in front end, for inserting fixed weight；
The tungsten alloy counterweight is arranged to cylinder, and is arranged on the centre of piston three stage structure, and the tungsten alloy is matched somebody with somebody
The front end of weight is provided with tungsten alloy counterweight and front end nylon66 fiber connection bump, and the rear end of the tungsten alloy counterweight is provided with tungsten alloy
Counterweight and rear end nylon66 fiber connection bump, the tungsten alloy counterweight and rear end nylon66 fiber connection bump and tungsten alloy counterweight and front end
Nylon66 fiber connection bump is disposed as cylinder, and is arranged at the cylinder axis opening position of tungsten alloy counterweight, the tungsten
The cross-sectional diameter and front end nylon66 fiber and the cross section of counterweight connecting groove of alloy counterweight and front end nylon66 fiber connection bump are straight
Footpath is identical, during for being connected with front end nylon66 fiber, insertion front end nylon66 fiber with counterweight connecting groove, the tungsten alloy counterweight
Cylinder lateral wall on be provided with two tungsten alloy counterweight grooves, two tungsten alloy counterweight grooves are provided with tungsten alloy and matched somebody with somebody
Resealing cushion rubber, tungsten alloy counterweight O-ring seal is to strengthen sealing effectiveness；
The rear end nylon66 fiber is arranged to cylinder, the cylinder axis opening position of the front end of the rear end nylon66 fiber
Rear end nylon66 fiber and counterweight connecting groove are provided with, and is arranged to cylinder, for being closed with tungsten alloy with insertion tungsten when reconnecting
Golden counterweight and rear end nylon66 fiber connection bump, it is recessed that rear end nylon66 fiber is provided with the cylinder lateral wall of the rear end nylon66 fiber
Groove, rear end nylon66 fiber groove are provided with rear end nylon66 fiber O-ring seal, and rear end nylon66 fiber O-ring seal is to strengthen sealing effectiveness.
As a kind of perferred technical scheme, front end nylon66 fiber and counterweight connecting groove, tungsten alloy counterweight and front end nylon
66 connection bumps, rear end nylon66 fiber and the cross section of counterweight connecting groove and tungsten alloy counterweight and rear end nylon66 fiber connection bump are straight
Footpath is disposed as 1/3rd of the cross-sectional diameter of tungsten alloy counterweight.
As a kind of perferred technical scheme, front end nylon66 fiber groove, tungsten alloy counterweight groove and the rear end nylon66 fiber
The width of groove is arranged to identical.
As a kind of perferred technical scheme, the thickness of the O-ring seal and front end nylon66 fiber groove, tungsten alloy counterweight
Groove is consistent with the width of rear end nylon66 fiber groove, and the outer annular diameter of the front end nylon66 fiber O-ring seal is than front end nylon66 fiber
Between the big 0.2-0.5mm of cross-sectional diameter, the outer annular diameter of the tungsten alloy counterweight O-ring seal is more transversal than tungsten alloy counterweight
Between the big 0.2-0.5mm of face diameter；The outer annular diameter of the rear end nylon66 fiber O-ring seal is more straight than the cross section of rear end nylon66 fiber
Between the big 0.2-0.5mm in footpath, to ensure sealing effectiveness.
It is of the present utility model beneficial to effect compared with the piston and balance weight combined device of existing gas-powered two-stage light gas gun
Fruit is：(1) tungsten alloy is compared with copper, it is not easy to and deform, can repeatedly use, service life length；(2) heavy phase is matched somebody with somebody with copper
Compare, tungsten alloy density is larger, phase homogenous quantities contraction in length, adds stroke, improves Projectile Motion speed；(3) nylon66 fiber
And tungsten alloy be all provided with it is fluted, encrypt sealing rubber ring, enhance sealing effect；(4) nylon66 fiber-tungsten alloy-nylon66 fiber this three
The design of segmentation balanced type can suitably reduce counterweight diameter, it is not easy to block pump line, avoid the damage for removing counterweight to pump line；
(5) the utility model is using nylon66 fiber-tungsten alloy-nylon66 fiber three stage structure design, even if counterweight occurs through being used for multiple times
Deformation jumping-up will not also block pump line, but rest on high-voltage cone section, easily take out.
Brief description of the drawings
Fig. 1 is the utility model gas-powered two-stage light gas gun piston and balance weight combined device section of structure；
Fig. 2 be the utility model gas-powered two-stage light gas gun piston and balance weight combined device front end nylon66 fiber profile and
Left view；
Fig. 3 be the utility model gas-powered two-stage light gas gun piston and balance weight combined device tungsten alloy counterweight profile and
Left view；
Fig. 4 be the utility model gas-powered two-stage light gas gun piston and balance weight combined device rear end nylon66 fiber profile and
Left view；
Fig. 5 is that the utility model gas-powered two-stage light gas gun piston and counter weight device encrypt sealing rubber ring design sketch.
Number explanation in figure：1 front end nylon66 fiber；2 tungsten alloy counterweights；3 rear end nylon66 fibers；4 front end nylon66 fiber grooves；Before 5
Hold nylon66 fiber horn mouth；6 front end nylon66 fibers and counterweight connecting groove；7 tungsten alloy counterweight grooves；8-1 tungsten alloys counterweight and front end
Nylon66 fiber connection bump；8-2 tungsten alloys counterweight and rear end nylon66 fiber connection bump；9 rear end nylon66 fibers and counterweight connecting groove；10
Rear end nylon66 fiber groove；11-1 front ends nylon66 fiber O-ring seal；11-2 tungsten alloy counterweight O-ring seals；11-3 rear ends nylon66 fiber is close
Sealing rubber ring.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, is easy to have a clear understanding of this
Utility model, but they do not form to the utility model and limited.
With reference to shown in Fig. 1：Gas-powered two-stage light gas gun piston and balance weight combined device, it is arranged to nylon66 fiber-tungsten and closed
The piston three stage structure of gold-nylon66 fiber, including：Front end nylon66 fiber 1, tungsten alloy counterweight 2, rear end nylon66 fiber 3；Front end nylon
66 grooves 4, front end nylon66 fiber horn mouth 5, front end nylon66 fiber and counterweight connecting groove 6, tungsten alloy counterweight groove 7, tungsten alloy are matched somebody with somebody
Weight and front end nylon66 fiber connection bump 8-1；Rear end nylon66 fiber and counterweight connecting groove 9, rear end nylon66 fiber groove 10 and tungsten alloy
Counterweight and rear end nylon66 fiber connection bump 8-2；
The front end nylon66 fiber 1, tungsten alloy counterweight 2 and rear end nylon66 fiber 3 are disposed as cylinder, and front end nylon66 fiber
1 is identical with the cross-sectional diameter of rear end nylon66 fiber 3, and the cross-sectional diameter of the tungsten alloy counterweight 2 is more transversal than front end nylon66 fiber 1
The small 1mm of diameter in face；
With reference to shown in Fig. 2：Gas-powered two-stage light gas gun piston and balance weight combined device front end nylon66 fiber profile and a left side
View, the front end of front end nylon66 fiber 1 are provided with front end nylon66 fiber horn mouth 5, and front end nylon66 fiber horn mouth 5 improves envelope gas energy
Power, a circle front end nylon66 fiber groove 4 is provided with the side wall of the front end nylon66 fiber 1, is provided with front end nylon66 fiber groove 4
One circle O-ring seal, O-ring seal are used to place O-ring seal to strengthen sealing effectiveness, and the rear end of the front end nylon66 fiber 1 is set
Front end nylon66 fiber and counterweight connecting groove 6 are equipped with, the front end nylon66 fiber is arranged to cylinder with counterweight connecting groove 6, and sets
The cylinder axis opening position in front end nylon66 fiber 1 is put, for inserting fixed weight；
With reference to shown in Fig. 3：Gas-powered two-stage light gas gun piston and balance weight combined device tungsten alloy counterweight profile and a left side
View, tungsten alloy counterweight 2 are arranged to cylinder, and are arranged on the centre of piston three stage structure, before the tungsten alloy counterweight 2
End is provided with tungsten alloy counterweight and front end nylon66 fiber connection bump 8-1, and the rear end of the tungsten alloy counterweight 2 is provided with tungsten alloy and matched somebody with somebody
Weight and rear end nylon66 fiber connection bump 8-2, the tungsten alloy counterweight and rear end nylon66 fiber connection bump 8-2 and tungsten alloy counterweight with
Front end nylon66 fiber connection bump 8-1 is disposed as cylinder, and is arranged at the cylinder axis line position of tungsten alloy counterweight 2
Place, the tungsten alloy counterweight and front end nylon66 fiber connection bump 8-1 cross-sectional diameter and front end nylon66 fiber are recessed with matching somebody with somebody reconnection
The cross-sectional diameter of groove 6 is identical, during for being connected with front end nylon66 fiber 1, insertion front end nylon66 fiber and counterweight connecting groove 6
In, two tungsten alloy counterweight grooves 7 are provided with the cylinder lateral wall of the tungsten alloy counterweight 2, two tungsten alloy counterweights are recessed
O-ring seal is provided with groove 7, O-ring seal is used to place O-ring seal to strengthen sealing effectiveness,
With reference to shown in Fig. 4, gas-powered two-stage light gas gun piston and balance weight combined device rear end nylon66 fiber profile and a left side
View, rear end nylon66 fiber 3 are arranged to cylinder, and the cylinder axis opening position of the front end of the rear end nylon66 fiber 3 is set
There are rear end nylon66 fiber and counterweight connecting groove 9, and be arranged to cylinder, inserting tungsten alloy during for being connected with tungsten alloy counterweight 2
Counterweight and rear end nylon66 fiber connection bump 8-2, rear end nylon66 fiber is provided with the cylinder lateral wall of the rear end nylon66 fiber 3
Groove 10, O-ring seal is provided with rear end nylon66 fiber groove 10, to strengthen sealing effectiveness.
With reference to shown in Fig. 5, front end nylon66 fiber 1, tungsten alloy counterweight 2, rear end nylon66 fiber 3 are provided with groove, each recessed
Groove is equipped with O-ring seal, respectively front end nylon66 fiber O-ring seal 11-1, tungsten alloy counterweight O-ring seal 11-2, rear end nylon
66 O-ring seal 11-3, the outer annular diameter for front and back end nylon66 fiber O-ring seal are bigger than the cross-sectional diameter of front and back end nylon66 fiber
0.2-0.5mm, the O-ring seal outer annular diameter for tungsten alloy counterweight are bigger 0.2- than the cross-sectional diameter of tungsten alloy counterweight
0.5mm, the outer annular diameter of the rear end nylon66 fiber O-ring seal it is bigger 0.2-0.5mm than the cross-sectional diameter of rear end nylon66 fiber it
Between, to ensure sealing effectiveness.
As a kind of perferred technical scheme, front end nylon66 fiber and counterweight connecting groove 6, tungsten alloy counterweight and front end nylon
66 connection bump 8-1, rear end nylon66 fiber are with counterweight connecting groove 9 and tungsten alloy counterweight with rear end nylon66 fiber connection bump 8-2's
Cross-sectional diameter is disposed as 1/3rd of the cross-sectional diameter of tungsten alloy counterweight 2.
As a kind of perferred technical scheme, the front end nylon66 fiber groove 4, tungsten alloy counterweight groove 7 and rear end nylon
The width of 66 grooves 10 is arranged to identical.
Tungsten alloy of the present utility model is compared with copper, it is not easy to and deform, can repeatedly use, service life length；With copper
Counterweight compares, and tungsten alloy density is larger, phase homogenous quantities contraction in length, adds stroke, improves Projectile Motion speed.
The utility model nylon66 fiber and tungsten alloy be all provided with it is fluted, encrypt sealing rubber ring, enhance sealing effect.
This three-stage balanced type design of the utility model nylon66 fiber-tungsten alloy-nylon66 fiber can suitably reduce counterweight diameter,
It is not easy to block pump line, avoids the damage for removing counterweight to pump line；Using nylon66 fiber-tungsten alloy-nylon66 fiber three stage structure
It design, will not also block pump line through appearance deformation jumping-up is used for multiple times even if counterweight, but rest on high-voltage cone section, easily take
Go out.
Above-described embodiment is only that the utility model design way of realization is enumerated, and the scope of protection of the utility model is not
Above-described embodiment is only limitted to, the scope of protection of the utility model may extend to those skilled in the art according to skill of the present utility model
The thinkable equivalent technologies mean of art design institute.
Claims (4)
1. a kind of novel two-stage light-gas gun piston apparatus, it is arranged to the piston three-stage knot of nylon66 fiber-tungsten alloy-nylon66 fiber
Structure, it is characterised in that including：Front end nylon66 fiber (1), tungsten alloy counterweight (2), rear end nylon66 fiber (3)；Front end nylon66 fiber groove
(4), front end nylon66 fiber horn mouth (5), front end nylon66 fiber and counterweight connecting groove (6), tungsten alloy counterweight groove (7), tungsten alloy
Counterweight and front end nylon66 fiber connection bump (8-1)；Rear end nylon66 fiber and counterweight connecting groove (9), rear end nylon66 fiber groove (10),
Tungsten alloy counterweight and rear end nylon66 fiber connection bump (8-2) and O-ring seal；
The O-ring seal includes front end nylon66 fiber O-ring seal (11-1)；Tungsten alloy counterweight O-ring seal (11-2)；Rear end Buddhist nun
Imperial 66 O-ring seals (11-3)；
The front end nylon66 fiber (1), tungsten alloy counterweight (2) and rear end nylon66 fiber (3) are disposed as cylinder, and front end nylon66 fiber
(1) identical with the cross-sectional diameter of rear end nylon66 fiber (3), the cross-sectional diameter of the tungsten alloy counterweight (2) is than front end nylon66 fiber
(1) the small 1mm of the diameter of cross section；
The front end of the front end nylon66 fiber (1) is provided with front end nylon66 fiber horn mouth (5), and front end nylon66 fiber horn mouth (5) improves
Gas sealingability, a circle front end nylon66 fiber groove (4) is provided with the side wall of the front end nylon66 fiber (1), front end nylon66 fiber is recessed
Groove (4) place is provided with a circle front end nylon66 fiber O-ring seal (11-1), and the rear end of the front end nylon66 fiber (1) is provided with front end Buddhist nun
Dragon 66 and counterweight connecting groove (6), the front end nylon66 fiber and counterweight connecting groove (6) are arranged to cylinder, and before being arranged on
The cylinder axis opening position of nylon66 fiber (1) is held, for inserting fixed weight；
The tungsten alloy counterweight (2) is arranged to cylinder, and is arranged on the centre of piston three stage structure, and the tungsten alloy is matched somebody with somebody
The front end of weight (2) is provided with tungsten alloy counterweight and front end nylon66 fiber connection bump (8-1), the rear end of the tungsten alloy counterweight (2)
It is provided with tungsten alloy counterweight and rear end nylon66 fiber connection bump (8-2), the tungsten alloy counterweight and rear end nylon66 fiber connection bump
(8-2) is disposed as cylinder with tungsten alloy counterweight with front end nylon66 fiber connection bump (8-1), and is arranged at tungsten alloy counterweight
(2) cylinder axis opening position, the cross-sectional diameter of the tungsten alloy counterweight and front end nylon66 fiber connection bump (8-1) with
Front end nylon66 fiber is identical with the cross-sectional diameter of counterweight connecting groove (6), during for being connected with front end nylon66 fiber (1), insertion
Front end nylon66 fiber closes with counterweight connecting groove (6), being provided with two tungsten on the cylinder lateral wall of the tungsten alloy counterweight (2)
Golden counterweight groove (7), two tungsten alloy counterweight groove (7) places are provided with tungsten alloy counterweight O-ring seal (11-2)；
The rear end nylon66 fiber (3) is arranged to cylinder, the cylinder axis line position of the front end of the rear end nylon66 fiber (3)
Place is provided with rear end nylon66 fiber and counterweight connecting groove (9), and is arranged to cylinder, during for being connected with tungsten alloy counterweight (2)
Tungsten alloy counterweight and rear end nylon66 fiber connection bump (8-2) are inserted, is set on the cylinder lateral wall of the rear end nylon66 fiber (3)
Rear end nylon66 fiber groove (10) is equipped with, rear end nylon66 fiber groove (10) place is provided with rear end nylon66 fiber O-ring seal (11-3).
A kind of 2. novel two-stage light-gas gun piston apparatus according to claim 1, it is characterised in that：Front end nylon66 fiber and counterweight
Connecting groove (6), tungsten alloy counterweight and front end nylon66 fiber connection bump (8-1), rear end nylon66 fiber and counterweight connecting groove (9) and
The cross-sectional diameter of tungsten alloy counterweight and rear end nylon66 fiber connection bump (8-2) is disposed as the cross section of tungsten alloy counterweight (2)
/ 3rd of diameter.
A kind of 3. novel two-stage light-gas gun piston apparatus according to claim 1, it is characterised in that：The front end nylon66 fiber is recessed
The width of groove (4), tungsten alloy counterweight groove (7) and rear end nylon66 fiber groove (10) is arranged to identical.
A kind of 4. novel two-stage light-gas gun piston apparatus according to claim 1, it is characterised in that：The thickness of the O-ring seal
Degree is consistent with the width of front end nylon66 fiber groove (4), tungsten alloy counterweight groove (7) and rear end nylon66 fiber groove (10), before described
Between holding the outer annular diameter of nylon66 fiber O-ring seal (11-1) bigger 0.2-0.5mm than the cross-sectional diameter of front end nylon66 fiber (1), institute
The outer annular diameter for stating tungsten alloy counterweight O-ring seal (11-2) is bigger 0.2-0.5mm than the cross-sectional diameter of tungsten alloy counterweight (2)
Between；The outer annular diameter of the rear end nylon66 fiber O-ring seal (11-3) is bigger than the cross-sectional diameter of rear end nylon66 fiber (3)
Between 0.2-0.5mm, to ensure sealing effectiveness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720329098.4U CN207095393U (en) | 2017-03-31 | 2017-03-31 | A kind of novel two-stage light-gas gun piston apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720329098.4U CN207095393U (en) | 2017-03-31 | 2017-03-31 | A kind of novel two-stage light-gas gun piston apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207095393U true CN207095393U (en) | 2018-03-13 |
Family
ID=61546887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720329098.4U Expired - Fee Related CN207095393U (en) | 2017-03-31 | 2017-03-31 | A kind of novel two-stage light-gas gun piston apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207095393U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2580519A (en) * | 2018-12-11 | 2020-07-22 | Secr Defence | Reconfigurable piston and method of manufacture |
-
2017
- 2017-03-31 CN CN201720329098.4U patent/CN207095393U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2580519A (en) * | 2018-12-11 | 2020-07-22 | Secr Defence | Reconfigurable piston and method of manufacture |
| GB2580519B (en) * | 2018-12-11 | 2021-08-25 | Secr Defence | Reconfigurable piston and method of manufacture |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180313 Termination date: 20190331 |