CN107583776A - A kind of spray gun for spraying polyurethane - Google Patents
A kind of spray gun for spraying polyurethane Download PDFInfo
- Publication number
- CN107583776A CN107583776A CN201711007426.XA CN201711007426A CN107583776A CN 107583776 A CN107583776 A CN 107583776A CN 201711007426 A CN201711007426 A CN 201711007426A CN 107583776 A CN107583776 A CN 107583776A
- Authority
- CN
- China
- Prior art keywords
- channel
- passage
- gun body
- spray gun
- compressed air
- 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.)
- Granted
Links
- 239000007921 spray Substances 0.000 title claims abstract description 62
- 239000004814 polyurethane Substances 0.000 title claims abstract description 15
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 14
- 238000005507 spraying Methods 0.000 title claims abstract description 10
- 238000012546 transfer Methods 0.000 claims abstract description 29
- 238000010079 rubber tapping Methods 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 14
- 230000004888 barrier function Effects 0.000 claims description 7
- 238000012856 packing Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims 1
- 239000004721 Polyphenylene oxide Substances 0.000 abstract description 10
- 239000012948 isocyanate Substances 0.000 abstract description 10
- 150000002513 isocyanates Chemical class 0.000 abstract description 10
- 229920000570 polyether Polymers 0.000 abstract description 10
- 238000004140 cleaning Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 229920005830 Polyurethane Foam Polymers 0.000 description 4
- 238000013459 approach Methods 0.000 description 4
- 239000006260 foam Substances 0.000 description 4
- 239000011496 polyurethane foam Substances 0.000 description 4
- 238000005187 foaming Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000013064 chemical raw material Substances 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- -1 isocyanic acids Ester Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 150000005846 sugar alcohols Polymers 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate Chemical compound [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920002627 poly(phosphazenes) Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Landscapes
- Nozzles (AREA)
Abstract
A kind of spray gun for spraying polyurethane, belong to polyurethane foamed material preparing technical field.Simple in construction, compact of the invention, it is easy to use.When spray gun uses, isocyanates and combined polyether pass through respective first transfer passage and the second transfer passage respectively, enter in tapping channel, after being mixed in tapping channel, sprayed from spray orifice, the distance that isocyanates and combined polyether are passed through is substantially reduced, reduces spray gun when not in use, needs the number of parts of disassembly, cleaning.And when spray gun blocks up rifle, only it need to dismantle lower check valve, you can valve member is cleared up, it is easy to operate.
Description
Technical field
The invention belongs to polyurethane foamed material preparing technical field, is specifically related to a kind of spray for spraying polyurethane
Rifle.
Background technology
Polyurethane (English abbreviation PU) is a kind of polyphosphazene polymer generated by isocyanates and polyalcohol by copolyreaction
Compound.Foaming machine also known as foam maker, it is that certain density chemical raw material can be made to foam and condensed to turn into setting for solid
It is standby.Foaming machine is the core component of polyurethane foam plastics process equipment, and foaming machine is by two kinds of different chemical raw material (isocyanic acids
Ester and polyalcohol) mixed by respective ratio uniform, high pressure sprays, and after running into air violent chemical reaction occurs for mixed material
Substantial amounts of foam is produced, so that its volume increases rapidly, after a period of time, the aerial mixed material of exposure condenses into band
There is the solid (polyurethane foam) of a large amount of foams.
Polyurethane foam has very high intensity, good shock resistance and sound isolating and heat insulating performance.Polyurethane foam is a lot
Field is all widely used, and such as refrigerator ice cabinet, Furniture manufacture, wall are heat-insulated.In the prior art, the structure of polyurethane sprayer
Complex, volume is larger, is easily blocked at nozzle, and disassembly, cleaning are inconvenient.
The content of the invention
The present invention mainly solves technical problem present in above-mentioned prior art, there is provided a kind of for spraying polyurethane
Spray gun.
The above-mentioned technical problem of the present invention is mainly what is be addressed by following technical proposals：One kind is used to spray poly- ammonia
The spray gun of ester, including gun body and handle, air duct, first passage, second channel, third channel, the are provided with the gun body
Four-way, air transmit chamber and compressed air cell, the third channel respectively with first passage, second channel, fourth lane phase
Connection, the air duct is connected with first passage, is provided with the 6th passage in the handle, one end of the 6th passage and
Third channel is connected, the other end connection outside air of the 6th passage；The compressed air intracavitary is provided with piston, and piston will press
Contracting air chamber is divided into left compressed air cell and right compressed air cell, and the right compressed air cell is connected with second channel, described
Left compressed air cell is connected with fourth lane；Be connected with spray gun piston rod on the piston, the other end of spray gun piston rod from
Left-to-right right compressed air cell, second channel, first passage, the air of sequentially passing through transmits chamber, and its end thread is connected with spray
Mouth, the spray gun piston rod are provided with first annular groove and the second annular groove, the first annular groove and the second annular
Sealing ring is equipped with groove, the first annular groove is sealed between first passage and second channel by sealing ring
Barrier first passage connects with second channel, and second annular groove is located at the right side of first passage, the gun body and spray gun
Piston rod lateral wall the tangent is provided with groove；The nozzle is slidably connected to gun body, and the nozzle is provided with spray orifice, tapping channel
With two charging holes, it is connected between spray orifice and two charging holes by tapping channel；Gunslinging is provided with the third channel to live
Stopper rod, one end of the shot piston bar are stretched out from gun body side, and another end in contact of the shot piston bar has gunslinging spring,
Another end in contact of the gunslinging spring has gunslinging lid, and gunslinging lid is threaded in gun body, from a left side on the shot piston bar
First annular fin, the second annular ridge and the 3rd annular ridge, the first annular fin, the second annular are sequentially provided with to the right side
Sealing ring is equipped with fin and the 3rd annular ridge, outlet is provided with shot piston bar on the left of the first annular fin
Hole, air admission hole, the shot piston bar are provided between second annular ridge and the 3rd annular ridge on shot piston bar
Five-channel is inside provided with, Five-channel is connected with air admission hole, venthole respectively；The both sides of the gun body upper end are respectively equipped with valve
Door component, the valve member include housing, are provided with the first transfer passage in the housing, are provided with first transfer passage
Check valve, the housing are provided with friction subcomponent with gun body junction, and the friction subcomponent includes packing ring, cylinder sleeve, friction pair
Spring and friction pair, the packing ring are located at the top of cylinder sleeve, and the friction pair and friction auxiliary spring are arranged in cylinder sleeve, and are rubbed
Wipe secondary upper end to touch with friction pair spring interface, the lower end of friction pair is in contact with nozzle outer sidewall, is provided with the friction pair
Second transfer passage, one end of the second transfer passage are connected with the first transfer passage.
Preferably, the check valve includes check ball, one-way valve spring and bonnet, one end of the one-way valve spring with
Check ball is in contact, and the other end is against on bonnet, and the bonnet is threadedly coupled housing.
Preferably, being hinged with trigger in the gun body, trigger is located at the front side of handle.
Preferably, the rear end of the gun body is provided with gun body bonnet, covered after the gun body provided with bonnet knob, bonnet rotation
Left compressed air cell is stretched into the end of button, and the front end of the gun body, which is located at nozzle, is provided with nozzle cover.
The course of work of spray gun is：
Before use, by the external isocyanates conduit of one of valve member, isocyanates is connected with isocyanates conduit,
The external combined polyether conduit of another valve member, combined polyether is connected with combined polyether conduit, the external air of air duct is led
Manage, air is connected with air conduit.
After cocking, shot piston bar is moved to the left so that and first annular fin is located at the left side of fourth lane, and second
Annular ridge connects between second channel and fourth lane, by sealing ring hermetic barrier second channel with fourth lane,
3rd annular ridge is located at the right side of first passage, so that fourth lane is connected with the 6th passage, first passage and second
Passage is connected；Now approach air duct, first passage, third channel, the second channel successively of the air in air conduit, enters
Enter right compressed air intracavitary, promote piston to be moved to the left, piston, which is moved to the left, drives spray gun piston rod to be moved to the left；Spray gun piston
Bar is threaded with nozzle, and nozzle is also moved to the left under the drive of spray gun piston rod, when the charging hole and friction pair on nozzle
During interior second transfer passage device to hole, tapping channel and the second transfer passage are connected, and isocyanates and combined polyether lead to respectively
Respective first transfer passage and the second transfer passage are crossed, is entered in tapping channel, after being mixed in tapping channel, from spray orifice
Spray；When spray gun piston rod is moved to the left, the second annular groove on spray gun piston rod between first passage and groove,
Chamber is transmitted by sealing ring hermetic barrier first passage with air to connect；When piston is moved to the left, left compressed air intracavitary
Air approach fourth lane, third channel, the 6th passage successively, row is outwardly.
After unclamping trigger, shot piston bar moves right so that first annular fin is located at second channel and fourth lane
Between, connected by sealing ring hermetic barrier second channel with fourth lane, the second annular ridge is located at first passage and second
Between passage, connected by sealing ring hermetic barrier first passage with second channel, the 3rd annular ridge is located at first passage
Right side, so that not connected mutually between first passage, second channel, fourth lane, second channel and the 6th passage are connected；This
When air conduit in air successively approach air duct, first passage, third channel, air admission hole, Five-channel, venthole,
Fourth lane, into left compressed air intracavitary, piston is promoted to move right, piston, which moves right, drives spray gun piston rod to move right
It is dynamic；Nozzle also moves right under the drive of spray gun piston rod, the second transfer passage in the charging hole and friction pair on nozzle
Dislocation, the lateral wall of nozzle block the second transfer passage；When spray gun piston rod moves right, second on spray gun piston rod
Annular groove is slipped into groove, first passage is transmitted chamber with air and is connected, the partial air in first passage passes through air
Pass chamber and enter nozzle material-feeding hole, discharged from spray orifice, while the remaining feed liquid in the air nozzle clearing；Moved right in piston
When, the air of right compressed air intracavitary approach second channel, third channel, the 6th passage successively, row is outwardly.
The device have the advantages that：Simple in construction, compact of the invention, it is easy to use.It is in spray gun in use, different
Cyanate and combined polyether are entered in tapping channel respectively by respective first transfer passage and the second transfer passage,
After being mixed in tapping channel, sprayed from spray orifice, substantially reduce the distance that isocyanates and combined polyether are passed through, reduce spray
Rifle when not in use, needs the number of parts of disassembly, cleaning.And when spray gun blocks up rifle, only it need to dismantle lower check valve, you can to valve
Component is cleared up, easy to operate.
Brief description of the drawings
Fig. 1 is a kind of main structure diagram of the present invention；
Fig. 2 is a kind of overlooking the structure diagram of the present invention；
Fig. 3 is a kind of cross section structure diagram of A-A in Fig. 2；
Fig. 4 is a kind of structural representation that B portions amplify in Fig. 3；
Fig. 5 is a kind of structural representation of shot piston bar of the present invention；
Fig. 6 is that one kind after cocking of the present invention uses schematic diagram；
Fig. 7 is that one kind after present invention release trigger uses schematic diagram.
In figure：1st, gun body；2nd, handle；3rd, air duct；4th, first passage；5th, second channel；6th, third channel；7th, the 4th
Passage；8th, air transmits chamber；9th, piston；10th, left compressed air cell；11st, right compressed air cell；12nd, spray gun piston rod；13rd, spray
Mouth；14th, first annular groove；15th, the second annular groove；16th, sealing ring；17th, groove；18th, spray orifice；19th, tapping channel；20、
Charging hole；21st, shot piston bar；22nd, gunslinging spring；23rd, gunslinging lid；24th, first annular fin；25th, the second annular ridge；
26th, the 3rd annular ridge；27th, venthole；28th, air admission hole；29th, Five-channel；30th, housing；31st, the first transfer passage；32nd, pad
Circle；33rd, cylinder sleeve；34th, rub auxiliary spring；35th, friction pair；36th, the second transfer passage；37th, the 6th passage；38th, check ball；39、
One-way valve spring；40th, bonnet；41st, trigger；42nd, gun body bonnet；43rd, bonnet knob；44th, nozzle cover；45th, valve member.
Embodiment
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.
Embodiment：A kind of spray gun for spraying polyurethane, as shown in Fig. 1-Fig. 7, including gun body and handle, the gun body
Interior air duct, first passage, second channel, third channel, fourth lane, the air of being provided with transmits chamber and compressed air cell, institute
State third channel respectively with first passage, second channel, fourth lane to be connected, the air duct is connected with first passage
It is logical, the 6th passage is provided with the handle, one end of the 6th passage is connected with third channel, the other end of the 6th passage
Connect outside air；The compressed air intracavitary is provided with piston, and compressed air cell is divided into left compressed air cell and right pressure by piston
Contracting air chamber, the right compressed air cell are connected with second channel, and the left compressed air cell is connected with fourth lane；Institute
State and spray gun piston rod is connected with piston, the other end of spray gun piston rod from left to right sequentially passes through right compressed air cell, second
Passage, first passage, air transmit chamber, and its end thread is connected with nozzle, and the spray gun piston rod is provided with first annular
Groove and the second annular groove, sealing ring is equipped with the first annular groove and the second annular groove, it is described first annular
Groove connects between first passage and second channel, by sealing ring hermetic barrier first passage with second channel, described
Second annular groove is located at the right side of first passage, and the gun body is provided with groove with spray gun piston rod lateral wall the tangent；It is described
Nozzle is slidably connected to gun body, and the nozzle is provided with spray orifice, tapping channel and two charging holes, spray orifice and two charging holes it
Between be connected by tapping channel；It is provided with shot piston bar in the third channel, one end of the shot piston bar is from gun body
Side is stretched out, and another end in contact of the shot piston bar has gunslinging spring, and another end in contact of the gunslinging spring has gunslinging
Lid, gunslinging lid are threaded in gun body, and first annular fin, the second ring are from left to right sequentially provided with the shot piston bar
Shape fin and the 3rd annular ridge, sealing is equipped with the first annular fin, the second annular ridge and the 3rd annular ridge
Circle, the first annular fin left side are provided with venthole, second annular ridge and the 3rd convex annular on shot piston bar
Air admission hole is provided between rib on shot piston bar, is provided with Five-channel in the shot piston bar, Five-channel is respectively with entering
Stomata, venthole are connected；The both sides of the gun body upper end are respectively equipped with valve member, and the valve member includes housing, institute
State and the first transfer passage is provided with housing, be provided with check valve in first transfer passage, the housing is set with gun body junction
There is friction subcomponent, the friction subcomponent includes packing ring, cylinder sleeve, friction auxiliary spring and friction pair, the packing ring and is located at cylinder sleeve
Top, the friction pair and friction auxiliary spring be arranged in cylinder sleeve, and the upper end of friction pair is touched with friction pair spring interface,
The lower end of friction pair is in contact with nozzle outer sidewall, is provided with the second transfer passage in the friction pair, and the one of the second transfer passage
End is connected with the first transfer passage.
The check valve includes check ball, one-way valve spring and bonnet, one end and the check ball phase of the one-way valve spring
Contact, the other end are against on bonnet, and the bonnet is threadedly coupled housing.
Trigger is hinged with the gun body, trigger is located at the front side of handle.
The rear end of the gun body is provided with gun body bonnet, is covered after the gun body provided with bonnet knob, the end of bonnet knob
Left compressed air cell is stretched into, the front end of the gun body, which is located at nozzle, is provided with nozzle cover.
Simple in construction, compact of the invention, it is easy to use.In spray gun in use, isocyanates and combined polyether difference
By respective first transfer passage and the second transfer passage, enter in tapping channel, after being mixed in tapping channel, from spray
Hole sprays, and substantially reduces the distance that isocyanates and combined polyether are passed through, reduces spray gun when not in use, need disassembly, cleaning
Number of parts.And when spray gun blocks up rifle, only it need to dismantle lower check valve, you can valve member is cleared up, operation is very
It is convenient.
Finally it is pointed out that above example is only the more representational example of the present invention.It is clear that the invention is not restricted to
Above-described embodiment, there can also be many deformations.Any letter that every technical spirit according to the present invention is made to above example
Single modification, equivalent variations and modification, are considered as belonging to protection scope of the present invention.
Claims (4)
1. a kind of spray gun for spraying polyurethane, including gun body and handle, it is characterised in that lead in the gun body provided with air
Road, first passage, second channel, third channel, fourth lane, air transmit chamber and compressed air cell, the third channel point
It is not connected with first passage, second channel, fourth lane, the air duct is connected with first passage, in the handle
Provided with the 6th passage, one end of the 6th passage is connected with third channel, the other end connection outside air of the 6th passage；
The compressed air intracavitary is provided with piston, and compressed air cell is divided into left compressed air cell and right compressed air cell by piston, described
Right compressed air cell is connected with second channel, and the left compressed air cell is connected with fourth lane；Connected on the piston
There is a spray gun piston rod, the other end of spray gun piston rod from left to right sequentially passes through right compressed air cell, second channel, first logical
Road, air transmit chamber, and its end thread is connected with nozzle, and the spray gun piston rod is provided with first annular groove and the second ring
Connected in star, sealing ring is equipped with the first annular groove and the second annular groove, and the first annular groove is located at first
Between passage and second channel, connected by sealing ring hermetic barrier first passage with second channel, second annular groove
Positioned at the right side of first passage, the gun body is provided with groove with spray gun piston rod lateral wall the tangent；The nozzle is slidably connected
In gun body, the nozzle is provided with spray orifice, tapping channel and two charging holes, logical by discharging between spray orifice and two charging holes
Road is connected；Shot piston bar is provided with the third channel, one end of the shot piston bar is stretched out from gun body side, described
Another end in contact of shot piston bar has gunslinging spring, and another end in contact of the gunslinging spring has gunslinging lid, gunslinging lid screw thread
It is connected in gun body, first annular fin, the second annular ridge and the 3rd is from left to right sequentially provided with the shot piston bar
Annular ridge, sealing ring, first ring are equipped with the first annular fin, the second annular ridge and the 3rd annular ridge
Venthole is provided with shot piston bar on the left of shape fin, is lived between second annular ridge and the 3rd annular ridge in gunslinging
Stopper rod is provided with air admission hole, is provided with Five-channel in the shot piston bar, Five-channel is connected with air admission hole, venthole respectively
It is logical；The both sides of the gun body upper end are respectively equipped with valve member, and the valve member includes housing, first is provided with the housing
Transfer passage, first transfer passage is interior to be provided with check valve, and the housing is provided with friction subcomponent with gun body junction, described
Friction subcomponent includes packing ring, cylinder sleeve, friction auxiliary spring and friction pair, the packing ring and is located at the top of cylinder sleeve, the friction pair
It is arranged at friction auxiliary spring in cylinder sleeve, and the upper end of friction pair is touched with friction pair spring interface, the lower end of friction pair and spray
Mouth lateral wall is in contact, and the second transfer passage, one end of the second transfer passage and the first transfer passage are provided with the friction pair
It is connected.
2. a kind of spray gun for spraying polyurethane according to claim 1, it is characterised in that the check valve includes non-return
Ball, one-way valve spring and bonnet, one end of the one-way valve spring are in contact with check ball, and the other end is against on bonnet, described
Bonnet is threadedly coupled housing.
3. a kind of spray gun for spraying polyurethane according to claim 1, it is characterised in that be hinged with and pull in the gun body
Machine, trigger are located at the front side of handle.
4. a kind of spray gun for spraying polyurethane according to claim 1, it is characterised in that the rear end of the gun body is provided with
Gun body bonnet, cover after the gun body and stretch into left compressed air cell provided with bonnet knob, the end of bonnet knob, the gun body
Front end, which is located at nozzle, is provided with nozzle cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711007426.XA CN107583776B (en) | 2017-10-25 | 2017-10-25 | A kind of spray gun for spraying polyurethane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711007426.XA CN107583776B (en) | 2017-10-25 | 2017-10-25 | A kind of spray gun for spraying polyurethane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107583776A true CN107583776A (en) | 2018-01-16 |
| CN107583776B CN107583776B (en) | 2018-07-27 |
Family
ID=61045455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711007426.XA Active CN107583776B (en) | 2017-10-25 | 2017-10-25 | A kind of spray gun for spraying polyurethane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107583776B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111466356A (en) * | 2020-04-03 | 2020-07-31 | 徐州蓝艺植保器械有限公司 | Mixed type spray gun |
| CN116899773A (en) * | 2023-09-14 | 2023-10-20 | 济南京华邦威聚氨酯设备有限公司 | Polyurethane polyurea spray gun |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2399108Y (en) * | 1999-04-01 | 2000-10-04 | 华成璞 | Improved polyurethane self-cleaning foaming gun |
| CN2691714Y (en) * | 2004-04-06 | 2005-04-13 | 黄振利 | Polyurethane foaming spray coating self cleaning type spray gun |
| CN2907913Y (en) * | 2006-04-11 | 2007-06-06 | 北京京华派克聚合机械设备有限公司 | Pneumatic device for switch of polyurethane spray gun |
| US20130164156A1 (en) * | 2010-06-10 | 2013-06-27 | Xavier Donnette | Pump for Delivering a Product, Comprising a Piston Sliding in the Metering Chamber |
| CN105327806A (en) * | 2015-11-20 | 2016-02-17 | 张绍文 | High-pressure spray gun of polyurethane foaming machine |
-
2017
- 2017-10-25 CN CN201711007426.XA patent/CN107583776B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2399108Y (en) * | 1999-04-01 | 2000-10-04 | 华成璞 | Improved polyurethane self-cleaning foaming gun |
| CN2691714Y (en) * | 2004-04-06 | 2005-04-13 | 黄振利 | Polyurethane foaming spray coating self cleaning type spray gun |
| CN2907913Y (en) * | 2006-04-11 | 2007-06-06 | 北京京华派克聚合机械设备有限公司 | Pneumatic device for switch of polyurethane spray gun |
| US20130164156A1 (en) * | 2010-06-10 | 2013-06-27 | Xavier Donnette | Pump for Delivering a Product, Comprising a Piston Sliding in the Metering Chamber |
| CN105327806A (en) * | 2015-11-20 | 2016-02-17 | 张绍文 | High-pressure spray gun of polyurethane foaming machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111466356A (en) * | 2020-04-03 | 2020-07-31 | 徐州蓝艺植保器械有限公司 | Mixed type spray gun |
| CN116899773A (en) * | 2023-09-14 | 2023-10-20 | 济南京华邦威聚氨酯设备有限公司 | Polyurethane polyurea spray gun |
| CN116899773B (en) * | 2023-09-14 | 2023-11-14 | 济南京华邦威聚氨酯设备有限公司 | Polyurethane polyurea spray gun |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107583776B (en) | 2018-07-27 |
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Address after: 312000 Wushan Industrial Park, Fusheng Town, Yuecheng District, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Huachuang Carbon Intelligent Manufacturing Co.,Ltd. Address before: 312000 Shaoxing Huachuang Polyurethane Co.,Ltd., Lushan Industrial Park, Fusheng Town, Shaoxing City, Zhejiang Province Patentee before: SHAOXING HUACHUANG POLYURETHANE Co.,Ltd. |
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