CN205676619U - Non-woven spun lacing experimental machine - Google Patents
Non-woven spun lacing experimental machine Download PDFInfo
- Publication number
- CN205676619U CN205676619U CN201620448479.XU CN201620448479U CN205676619U CN 205676619 U CN205676619 U CN 205676619U CN 201620448479 U CN201620448479 U CN 201620448479U CN 205676619 U CN205676619 U CN 205676619U
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- torr
- frame
- net roller
- spun lacing
- suction tube
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Abstract
The utility model discloses a kind of non-woven spun lacing experimental machine, including frame, spun lacing mechanism, Tuo Wang mechanism, aspirating mechanism, unreeling structure, rolling-up mechanism and actuating unit are installed in frame, described Tuo Wang mechanism includes torr lace curtaining, the first torr net roller, the second torr net roller and the 3rd torr net roller, first torr net roller is arranged on one end of frame, and it is positioned at the lower section of the let off roll of unreeling structure, second torr net roller is arranged on the other end of frame, and is positioned at the lower section of the wind-up roll of rolling-up mechanism and is connected with the output shaft driving motor of actuating unit；3rd torr net roller is arranged on the bottom of frame, and with the first torr net roller and the triangle structure of the second torr net roller, torr lace curtaining is set on the first torr net roller, the second torr net roller and the 3rd torr net roller；The suction tube of aspirating mechanism is arranged in frame and is positioned at the lower section of torr lace curtaining；Spun lacing mechanism is arranged in frame and the water jet of spun lacing mechanism is positioned at the top holding in the palm lace curtaining.Water consumption is few, and voltage supply mode is simple；Negative-pressure ward mode is simple, reduces energy consumption.
Description
Technical field
The utility model relates to Nonwoven Machinery technical field, is specifically related to a kind of spunlace non-woven experiment and scientific research dress
Put.
Background technology
Spun lacing is one of non-woven important reinforcing mode, and spunlace non-woven material is widely used in health care and product
Industry multiple fields, water jet process not only can make single Hydroentangled product, it is also possible to and needle point method, spun-bond process etc. other are non-
Weaving process carries out process combination, makes nonwoven products more diversified and functionalization.
The exploitation of water jet process and product needs the flexible and changeable experimental provision matching, it is achieved convenient, flexible, low
Energy consumption, low-loss requirement, and current only spun lacing experimental machine few in number is in addition to fabric width slightly shortens, equipment its
Its structure and industrial water thorn machine are more or less the same, and floor space is big, structure is complicated, it is adaptable to small lot batch manufacture but and inapplicable section
Grind.
Common experimental water thorn machine, because using machine for producing structure, has strict demand to operation and maintenance, needs behaviour
Possess certain operating experience and troubleshooting capability as personnel, otherwise can strengthen labour intensity and the prolongation experiment of experimenter
Time.
Common small test spun-laced machine limits because of volume and weight, it is impossible to arbitrarily build with miscellaneous equipment combination, it is impossible to
Complete process innovation experiment, especially cannot be by water jet process and other nonwoven techniques such as acupuncture, spunbond, melt-blown, hot bonding
More flexible combines.
Utility model content
For above-mentioned deficiency described in the prior, the purpose of this utility model is to provide a kind of simple to operation,
Positive and negative spun lacing and MULTILAYER COMPOSITE technique can be realized, the non-woven spun lacing experimental machine of less energy consumption.
For realizing above-mentioned technical purpose, the technical scheme that the utility model is used is as follows:
A kind of non-woven spun lacing experimental machine, including frame, frame is provided with spun lacing mechanism, Tuo Wang mechanism, suction machine
Structure, unreeling structure, rolling-up mechanism and actuating unit, described Tuo Wang mechanism include torr lace curtaining, the first torr net roller, the second torr net roller and
3rd torr net roller, the first torr net roller is arranged on one end of frame, and is positioned at the lower section of the let off roll of unreeling structure, the second torr net roller
It is arranged on the other end of frame, and be positioned at the lower section of the wind-up roll of rolling-up mechanism the output shaft of the driving motor with actuating unit
Connect；3rd torr net roller is arranged on the bottom of frame, and with the first torr net roller and the triangle structure of the second torr net roller, hold in the palm net
Curtain is set on the first torr net roller, the second torr net roller and the 3rd torr net roller；The suction tube of aspirating mechanism is arranged in frame and position
Lower section in torr lace curtaining；Spun lacing mechanism is arranged in frame and the water jet of spun lacing mechanism is positioned at the top holding in the palm lace curtaining.
Being provided with the mechanism that catchments in frame, the described mechanism that catchments includes water collection sheet and drainpipe, and water collection sheet is arranged on machine
Frame bottom and the lower section of the 3rd torr net roller being positioned at Tuo Wang mechanism, and be connected with external pipe by drainpipe.Setting of water collection sheet
Put the hygienic conditions that can guarantee that laboratory.
Described unreeling structure includes let off roll and unreels bracket, and the described bracket that unreels is arranged on frame near the first torr net roller
Place, is provided with longitudinal fluting I unreeling on bracket, the spindle nose of let off roll is provided with rolling bearing, and is installed by rolling bearing
In the longitudinal fluting I unreeling bracket.
In longitudinal fluting I, cushion block is installed.The effect of cushion block is to make let off roll and the first torr net roller separate, it is simple to carry out
Reverse side spun lacing.
Described rolling-up mechanism includes wind-up roll and rolling bracket, and rolling bracket is arranged on frame at the second torr net roller,
Rolling bracket is provided with longitudinal fluting II, rolling bearing is installed at the spindle nose of wind-up roll, and is installed by rolling bearing
In the longitudinal fluting II of rolling bracket.Wind-up roll is by gravity pressure on the second torr net roller, and wind-up roll relies on rubbing between the two
Wiping power is followed the second torr net roller and is rotated.
Outer surface at wind-up roll is enclosed with the rubber layer of 2 thickness.
Described aspirating mechanism includes some groups of pumping components, total suction tube and the gas water separation tank equipped with negative-pressure air fan, institute
Stating pumping components and including suction tube, pipe collar and bolt, pipe collar is bolted in frame, and can in frame on move down
Dynamic；Suction tube is fixed on the top of pipe collar, and suction tube presses close to hold in the palm the side of lace curtaining to be provided with gap, and one end of suction tube is closed,
Other end opening, and the openend of suction tube is connected with total suction tube, total suction tube and the gas water separation tank equipped with negative-pressure air fan
Connect.
Described pumping components is three groups, the respectively first pumping components, including the first suction tube, the first pipe collar, bolt, the
One pipe collar is arranged on frame one end near unreeling structure by bolt, and the first suction tube is fixed on the top of the first pipe collar, and
Contact one end with torr lace curtaining and be provided with gap.First pumping components is used for debatching fixed network, mainly makes through spun lacing and has certain
The spun laced fabric of intensity can adsorb after unreeling under the effect of the first pumping components on torr lace curtaining, the technique meeting reverse side spun lacing
Require.
Second pumping components, including the second suction tube, the second pipe collar, bolt, the second pipe collar is arranged on frame by bolt
Near one end of rolling-up mechanism, the second suction tube is fixed on the top of the second pipe collar, and is provided with gap with asking lace curtaining to contact one end.
The effect of the second pumping components is the water under suction water jet thorn.
3rd pumping components, including the 3rd suction tube, the 3rd pipe collar, bolt, the 3rd pipe collar is arranged on frame by bolt
The lower section of water jet that is upper and that be positioned at spun lacing mechanism, the 3rd suction tube is fixed on the top of the 3rd pipe collar, and contacts with torr lace curtaining
One end is provided with gap.The effect of the 3rd pumping components is the attached water on suction cloth cover and torr lace curtaining.
The width in described gap is 7.
Described spun lacing mechanism includes water jet and water jet bracket, and water jet bracket is arranged in frame, and water jet passes through
Regulation bolt is arranged on water jet bracket, and is positioned at the top of torr lace curtaining.Water jet bracket is cantilever structure, water jet with
The mode of lifting is arranged on water jet bracket by regulating bolt, and can by regulation bolt change water jet and cloth cover away from
From the process requirements of the different cloth cover of adaptation.
Machine fabric width degree of the present utility model is about 400, and volume is little, and floor space is little, and can by unreeling structure
Realize front spun lacing, reverse side spun lacing and MULTILAYER COMPOSITE technique, when reverse side spun lacing, pacify in the longitudinal fluting I of unreeling structure
Dress cushion block makes let off roll and the first torr net roller separate, and is existed cloth cover absorption by the gap on the suction tube of the first pumping components
On torr lace curtaining.
The utility model, because light structure feature is strong, both can be combined to neatly in other experiment lines, and can fit again
Answer batch (-type) experimental implementation, i.e. the yardage roll debatching again through pre-thorn can be carried out second spun lacing, provide to engineer testing
Greater flexibility, and, the utility model materials are few, and repiece and rolling waste are few, save raw material；By adjusting debatching
Direction of principal axis, can realize to fibre web tow sides spun lacing；Also other materials can be converted, with following fleece together on debatching axle
Enter spun lacing region, it is achieved MULTILAYER COMPOSITE technique；Water consumption is few, and voltage supply mode is simple；Negative-pressure ward mode is simple, reduces energy
Consumption.
Brief description
Fig. 1 is front view of the present utility model.
Fig. 2 is right view of the present utility model.
Fig. 3 is the structural representation of the utility model rolling-up mechanism.
Fig. 4 is structural representation during the utility model unreeling structure front spun lacing.
Fig. 5 is structural representation during the utility model unreeling structure reverse side spun lacing.
Fig. 6 is the structural representation of the utility model the first suction tube.
Detailed description of the invention
As shown in figures 1 to 6, a kind of non-woven spun lacing experimental machine, including frame 1, frame 1 is provided with spun lacing mechanism, torr
Net mechanism, aspirating mechanism, unreeling structure, rolling-up mechanism and actuating unit, described Tuo Wang mechanism includes holding in the palm lace curtaining the 2nd, the first torr net
Roller 3-1, the second torr net roller 3-2 and the 3rd torr net roller 3-3, the first torr net roller 3-1 is arranged on one end of frame 1, and is positioned at and unreels
The lower section of the let off roll of mechanism, the second torr net roller 3-2 is arranged on the other end of frame 1, and be positioned at the wind-up roll of rolling-up mechanism
The output shaft of lower section the driving motor 10 with actuating unit is connected；3rd torr net roller 3-3 is arranged on the bottom of frame 1, and with
First torr net roller 3-1 and the triangle structure of the second torr net roller 3-2, it is ensured that the planarization of torr lace curtaining 2；Torr lace curtaining 2 is set in
On first torr net roller 3-1, the second torr net roller 3-2 and the 3rd torr net roller 3-3；The suction tube of aspirating mechanism be arranged in frame 1 and
It is positioned at the lower section of torr lace curtaining 2；Spun lacing mechanism is arranged in frame 1 and the water jet 5-1 of spun lacing mechanism is positioned at the upper of torr lace curtaining 2
Side.It is PET or PU establishment curtain that described torr lace curtaining uses, and air penetrability is 8000-10000m/(h).
In order to ensure the hygienic conditions in laboratory, being provided with the mechanism that catchments in frame 1, the described mechanism that catchments includes catchmenting
Plate 8 and drainpipe, water collection sheet 8 is arranged on frame 1 bottom and is positioned at the lower section of the 3rd torr net roller 3-3 of Tuo Wang mechanism, and passes through
Drainpipe is connected with external pipe.
Described unreeling structure includes let off roll 4-1 and unreels bracket 4-2, described unreel bracket 4-2 to be arranged on frame 1 close
At first torr net roller 3-1, being provided with longitudinal fluting I 4-3 unreeling on bracket 4-2, the spindle nose of let off roll 4-1 is provided with the axis of rolling
Hold, and be arranged on by rolling bearing in longitudinal fluting I 4-3 unreeling bracket 4-2.
For the ease of carrying out reverse side spun lacing, in longitudinal fluting I 4-3, cushion block 4-4 is installed.The effect of cushion block is to make to unreel
Roller 4-1 and the first torr net roller 3-1 separates.
Described rolling-up mechanism includes that wind-up roll 7-1 and rolling bracket 7-2, rolling bracket 7-2 are arranged on frame 1 near second
At torr net roller 3-2, rolling bracket 7-2 is provided with longitudinal fluting II 7-3, at the spindle nose of wind-up roll 7-1, the axis of rolling is installed
Hold, and be arranged in longitudinal fluting II 7-3 of rolling bracket 7-2 by rolling bearing.Wind-up roll 7-1 leans on gravity pressure in the second torr
On net roller 3-2, wind-up roll 7-1 relies on frictional force between the two to follow the second torr net roller 3-2 and rotates.
For increasing friction force, the outer surface at wind-up roll 7-1 is enclosed with the rubber layer of 2 thickness.
Described aspirating mechanism includes some groups of pumping components, total suction tube and the gas water separation tank equipped with negative-pressure air fan, institute
Stating pumping components and including suction tube, pipe collar and bolt, described suction tube is hard PVC pipe, and pipe collar is bolted in frame,
And can move up and down in frame；Suction tube is fixed on the top of pipe collar, and suction tube presses close to hold in the palm the side of lace curtaining to be provided with gap,
The width in described gap is 7.One end of suction tube is closed, other end opening, and the openend of suction tube is with total suction tube even
Connecing, total suction tube is connected with the gas water separation tank equipped with negative-pressure air fan.
In the present embodiment, described pumping components is three groups, the respectively first pumping components, including the first suction tube 6-1-
1st, the first pipe collar 6-2-1, bolt 6-3, the first pipe collar 6-2-1 are arranged on frame 1 near the one of unreeling structure by bolt 6-3
End, the first suction tube 6-1-1 is fixed on the top of the first pipe collar 6-2-1, and is provided with gap with asking lace curtaining 2 to contact one end.First
Pumping components is used for debatching fixed network, mainly makes through spun lacing and has the spun laced fabric of some strength and can take out first after unreeling
Adsorb under the effect inhaling assembly on torr lace curtaining 2, meet the technological requirement of reverse side spun lacing.
Second pumping components, including the second suction tube 6-1-2, the second pipe collar 6-2-2, bolt 6-3, the second pipe collar 6-2-2
Being arranged on frame 1 one end near rolling-up mechanism by bolt 6-3, the second suction tube 6-1-2 is fixed on the second pipe collar 6-2-2's
Top, and it is provided with gap with asking lace curtaining 2 to contact one end.The effect of the second pumping components is the water under suction water jet thorn.
3rd pumping components, including the 3rd suction tube 6-1-3, the 3rd pipe collar 6-2-3, bolt 6-3, the 3rd pipe collar 6-2-3
Be arranged in frame 1 and be positioned at the lower section of water jet 5-1 of spun lacing mechanism by bolt 6-3, the 3rd suction tube 6-1-3 is fixed on
The top of the 3rd pipe collar 6-2-3, and it is provided with gap with asking lace curtaining 2 to contact one end.The effect of the 3rd pumping components is suction cloth cover
With the attached water on torr lace curtaining.
Described spun lacing mechanism includes that water jet 5-1 and water jet bracket 5-2, water jet bracket 5-2 are arranged in frame 1,
Water jet 5-1 is arranged on water jet bracket 5-2 by regulating bolt, and is positioned at the top of torr lace curtaining 2.Water jet bracket 5-2
For cantilever structure, water jet is arranged on water jet bracket 5-2 by regulating bolt in the way of lifting, and can be by regulation
Bolt changes the distance of water jet and cloth cover, adapts to the process requirements of different cloth cover.
In the present embodiment, the way of supplying water of water jet 5 uses jetting machine, and maximum pressure is 8MPa, maximum stream flow
For 22L/min.
Operation principle: during the spun lacing of front, let off roll 4-1 and wind-up roll 7-1 rely on self gravitation respectively with the first torr net roller
3-1 and the second torr net roller 3-2 contact, drives motor 10 to drive the second torr net roller 3-2 to rotate, and the second torr net roller 3-2 is at torr lace curtaining 2
Effect under drive first torr net roller 3-1 rotate, let off roll 4-1 under the frictional force effect of the first torr net roller 3-1 under with first
Torr net roller 3-1 rotates, and will treat the cloth debatching of front spun lacing, and in the course of conveying of torr lace curtaining, cloth is carried out by water jet 5-1
Spun lacing, wind-up roll 7-1 rotates with the second torr net roller 3-2 under the effect of the second torr net roller 3-2 frictional force, after the spun lacing of front
Cloth is rolled, and during spun lacing, first group of pumping components guarantees to treat that the cloth of spun lacing is close to hold in the palm lace curtaining 2, second group of suction group
Water under water jet 5-1 spray is transferred in moisture trap by part by gap, cloth cover after the 3rd group of pumping components suction spun lacing
With the attached water on torr lace curtaining.
During reverse side spun lacing, cushion block 4-4 is installed in longitudinal fluting I 4-3, makes let off roll 4-1 and the first torr net roller 3-1 divide
From, wind-up roll 7-1 leans on self gravitation and the second torr net roller 3-2 contact, drives motor 10 to drive the second torr net roller 3-2 to rotate, from
And realizing holding in the palm the rotation of lace curtaining 2, wind-up roll 7-1 turns with the second torr net roller 3-2 under the effect of the second torr net roller 3-2 frictional force
Dynamic, and by treating that the cloth of reverse side spun lacing drives let off roll 4-1 rotation to carry out the debatching of cloth, the first pumping components passes through first
The gap of suction tube 6-1-1 is by cloth absorption on torr lace curtaining 2, and making cloth move through wind-up roll 7-1 with torr lace curtaining 2 will be anti-
Cloth after the spun lacing of face is rolled.During reverse side spun lacing, water jet 5-1 carries out spun lacing, the second pumping components suction water to cloth
The water that tartar 5 is ejected, the cloth cover after the 3rd pumping components suction reverse side spun lacing and the attached water on torr lace curtaining.
Claims (10)
1. a non-woven spun lacing experimental machine, it is characterised in that: include frame (1), frame (1) is provided with spun lacing mechanism,
Tuo Wang mechanism, aspirating mechanism, unreeling structure, rolling-up mechanism and actuating unit, described Tuo Wang mechanism include torr lace curtaining (2), first
Torr net roller (3-1), the second torr net roller (3-2) and the 3rd torr net roller (3-3), the first torr net roller (3-1) is arranged on the one of frame (1)
End, and it is positioned at the lower section of the let off roll of unreeling structure, the second torr net roller (3-2) is arranged on the other end of frame (1), and is positioned at receipts
The output shaft of the lower section of the wind-up roll of volume mechanism the driving motor (10) with actuating unit is connected；3rd torr net roller (3-3) peace
Be contained in the bottom of frame (1), and with the first torr net roller (3-1) and the triangle structure of the second torr net roller (3-2), hold in the palm lace curtaining
(2) it is set in the first torr net roller (3-1), the second torr net roller (3-2) and the 3rd torr net roller (3-3)；The suction tube of aspirating mechanism
It is arranged on the lower section that frame (1) is upper and is positioned at torr lace curtaining (2)；Spun lacing mechanism is arranged on that frame (1) is upper and the spun lacing of spun lacing mechanism
Head (5-1) is positioned at the top of torr lace curtaining (2).
2. non-woven spun lacing experimental machine according to claim 1, it is characterised in that: it is provided with in frame (1) and catchment
Mechanism, the described mechanism that catchments includes water collection sheet (8) and drainpipe, and water collection sheet (8) is arranged on frame (1) bottom and is positioned at torr net machine
The lower section of the 3rd torr net roller (3-3) of structure, and be connected with external pipe by drainpipe.
3. non-woven spun lacing experimental machine according to claim 1 and 2, it is characterised in that: described unreeling structure includes putting
Winding up roller (4-1) and unreel bracket (4-2), the described bracket (4-2) that unreels is arranged on frame (1) near the first torr net roller (3-1) place,
Being provided with longitudinal fluting I (4-3) on bracket (4-2) unreeling, the spindle nose of let off roll (4-1) is provided with rolling bearing, and passes through
Rolling bearing is arranged in the longitudinal fluting I (4-3) unreeling bracket (4-2).
4. non-woven spun lacing experimental machine according to claim 3, it is characterised in that: install in longitudinal fluting I (4-3)
There is cushion block (4-4).
5. non-woven spun lacing experimental machine according to claim 1 and 2, it is characterised in that: described rolling-up mechanism includes receiving
Winding up roller (7-1) and rolling bracket (7-2), rolling bracket (7-2) is arranged on close second torr net roller (3-2) place of frame (1), is receiving
It is provided with longitudinal fluting II (7-3) on volume bracket (7-2), rolling bearing is installed at the spindle nose of wind-up roll (7-1), and by rolling
Dynamic bearing is arranged in the longitudinal fluting II (7-3) of rolling bracket (7-2).
6. non-woven spun lacing experimental machine according to claim 5, it is characterised in that: at the outer surface of wind-up roll (7-1)
It is enclosed with the rubber layer of 2 thickness.
7. non-woven spun lacing experimental machine according to claim 1 and 2, it is characterised in that: if described aspirating mechanism includes
Dry group pumping components, total suction tube and the gas water separation tank equipped with negative-pressure air fan, described pumping components include suction tube, pipe collar and
Bolt (6-3), pipe collar is fixed in frame (1) by bolt (6-3), and can move up and down in frame (1)；Suction tube is fixed
On the top of pipe collar, and suction tube presses close to hold in the palm the side of lace curtaining (2) to be provided with gap, and one end of suction tube is closed, other end opening,
And the openend of suction tube is connected with total suction tube, total suction tube is connected with the gas water separation tank equipped with negative-pressure air fan.
8. non-woven spun lacing experimental machine according to claim 7, it is characterised in that: described pumping components is three groups, point
It is not the first pumping components, including the first suction tube (6-1-1), the first pipe collar (6-2-1), bolt (6-3), the first pipe collar (6-
2-1) being arranged on frame (1) one end near unreeling structure by bolt (6-3), the first suction tube (6-1-1) is fixed on first
The top of pipe collar (6-2-1), and it is provided with gap with asking lace curtaining (2) to contact one end；
Second pumping components, including the second suction tube (6-1-2), the second pipe collar (6-2-2), bolt (6-3), the second pipe collar (6-
2-2) being arranged on frame (1) one end near rolling-up mechanism by bolt (6-3), the second suction tube (6-1-2) is fixed on second
The top of pipe collar (6-2-2), and it is provided with gap with asking lace curtaining (2) to contact one end；
3rd pumping components, including the 3rd suction tube (6-1-3), the 3rd pipe collar (6-2-3), bolt (6-3), the 3rd pipe collar (6-
It 2-3) is arranged on the lower section of water jet (5-1) that frame (1) is upper and is positioned at spun lacing mechanism, the 3rd suction tube by bolt (6-3)
(6-1-3) it is fixed on the top of the 3rd pipe collar (6-2-3), and be provided with gap with asking lace curtaining (2) to contact one end.
9. non-woven spun lacing experimental machine according to claim 8, it is characterised in that: the width in described gap is 7.
10. non-woven spun lacing experimental machine according to claim 1 and 2, it is characterised in that: described spun lacing mechanism includes water
Tartar (5-1) and water jet bracket (5-2), water jet bracket (5-2) is arranged in frame (1), and water jet (5-1) is by regulation
Bolt is arranged on water jet bracket (5-2), and is positioned at the top of torr lace curtaining (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620448479.XU CN205676619U (en) | 2016-05-17 | 2016-05-17 | Non-woven spun lacing experimental machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620448479.XU CN205676619U (en) | 2016-05-17 | 2016-05-17 | Non-woven spun lacing experimental machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205676619U true CN205676619U (en) | 2016-11-09 |
Family
ID=57436812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620448479.XU Expired - Fee Related CN205676619U (en) | 2016-05-17 | 2016-05-17 | Non-woven spun lacing experimental machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205676619U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112981726A (en) * | 2021-02-20 | 2021-06-18 | 江苏迎阳无纺机械有限公司 | Water needle protection device of water jet head |
-
2016
- 2016-05-17 CN CN201620448479.XU patent/CN205676619U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112981726A (en) * | 2021-02-20 | 2021-06-18 | 江苏迎阳无纺机械有限公司 | Water needle protection device of water jet head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20161109 Termination date: 20190517 |