CN103708093B - A kind of dual spring emulsion pumps - Google Patents
A kind of dual spring emulsion pumps Download PDFInfo
- Publication number
- CN103708093B CN103708093B CN201310692167.4A CN201310692167A CN103708093B CN 103708093 B CN103708093 B CN 103708093B CN 201310692167 A CN201310692167 A CN 201310692167A CN 103708093 B CN103708093 B CN 103708093B
- Authority
- CN
- China
- Prior art keywords
- pump
- district
- rod
- pump rod
- lid
- 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.)
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- 239000000839 emulsion Substances 0.000 title claims abstract description 27
- 230000009977 dual effect Effects 0.000 title claims abstract description 26
- 239000007921 spray Substances 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000000443 aerosol Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 210000000481 breast Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1001—Piston pumps
- B05B11/1023—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem
- B05B11/1025—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem a spring urging the outlet valve in its closed position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1042—Components or details
- B05B11/1043—Sealing or attachment arrangements between pump and container
- B05B11/1046—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container
- B05B11/1047—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container the pump being preassembled as an independent unit before being mounted on the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1042—Components or details
- B05B11/1066—Pump inlet valves
- B05B11/1067—Pump inlet valves actuated by pressure
Landscapes
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Closures For Containers (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a kind of dual spring emulsion pumps, include combination lid, it is provided with pump assembly in combining lid, the nozzle button that pump assembly can be driven to work it is provided with on pump assembly top, pump assembly includes pump chamber, it is provided with tightening cover in pump chamber upper inside wall, pump rod on being provided with in tightening cover, upper pump rod is provided with limited step, the upper pump rod on limited step top stretches out combination lid, the upper pump rod of limited step bottom is arranged in combination lid, nozzle button is connected on pump rod, it is arranged with piston on upper pump rod outer wall below limited step, auxiliary spring it is provided with between piston and limited step, auxiliary spring is set on pump rod, lower pump rod it is provided with in pump chamber below upper pump rod, it is provided with positioning step in pump chamber bottom, it is provided with main spring between lower pump rod and positioning step, it is provided with pump pearl in pump chamber bottom.Purpose provides a kind of simple in construction, and production cost is low, easy to use, plays pump fast, spray volume metastable dual spring emulsion pumps.
Description
Technical field
The present invention relates to a kind of dual spring emulsion pumps.
Background technology
Emulsion pumps is due to its design fineness, easy to use, the most widely application and daily use chemicals and medicine
Etc. industry.But existing emulsion pumps part is many, structure is complicated, and manufacture difficulty is big, produces into
, additionally, due to the defect in the design of existing emulsion pumps, in use there is pump in this height
Relatively slow, spray volume such as is not sufficiently stable relatively at the shortcoming.The demand of user can not be met.
So, existing emulsion pumps awaits the most perfect.
Summary of the invention
The invention aims to overcome weak point of the prior art, it is provided that a kind of structure
Simply, production cost is low, easy to use, plays pump fast, spray volume metastable dual spring breast
Liquid pump.
In order to achieve the above object, the present invention uses below scheme:
A kind of dual spring emulsion pumps, includes combination lid, it is characterised in that: at described combination lid
Inside it is provided with pump assembly, is provided with on described pump assembly top and described pump assembly can be driven to work
Nozzle button, described pump assembly includes pump chamber, sets in described pump chamber upper inside wall
There is tightening cover, in described tightening cover, be provided with pump rod, be provided with spacing on described on pump rod
Step, the upper pump rod on described limited step top stretches out described combination lid, under described limited step
The upper pump rod in portion is arranged in combination lid, and described nozzle button is connected on pump rod, described
Be arranged with piston on upper pump rod outer wall below limited step, described piston and limited step it
Between be provided with auxiliary spring, described auxiliary spring is set on pump rod, on described below pump rod
Be provided with lower pump rod in pump chamber, be provided with positioning step in described pump chamber bottom, described lower pump rod with
It is provided with main spring between positioning step, is provided with pump pearl in described pump chamber bottom.
A kind of dual spring emulsion pumps as above, it is characterised in that described pump chamber includes first
Pump district, is provided with the second pump district below described first pump district, and the internal diameter in the second pump district is less than first
The internal diameter in pump district, is provided with the first connecting portion, in institute between described first pump district and the second pump district
Stating the second lower end, pump district and connect You Sanbeng district, the internal diameter in described 3rd pump district is less than described second
Pump district internal diameter, is provided with the second connecting portion between described second pump district and the 3rd pump district, described fixed
Position step is arranged on below described 3rd pump district.
A kind of dual spring emulsion pumps as above, it is characterised in that described combination lid includes lid
Body, is provided with evagination connecting portion on described lid upper surface, sets in the middle of described evagination connecting portion
There are installing hole, described upper pump rod to be arranged in installing hole, described evagination connecting portion inwall sets
There is positioning convex ring, the first described pump district outer wall is provided with position limiting convex ring, described position limiting convex ring
It is fastened on described positioning convex ring.
A kind of dual spring emulsion pumps as above, it is characterised in that described nozzle button includes
Push-button socket, is provided with nozzle on described push-button socket.
A kind of dual spring emulsion pumps as above, it is characterised in that described lower pump rod includes energy
The lower pump rod body of pump rod inner chamber in insertion, is provided with seal head on described lower pump rod body lower end.
A kind of dual spring emulsion pumps as above, it is characterised in that be provided with on described tightening cover
Locating convex block, is provided with hole, location in described pump chamber upper end, and described locating convex block is arranged on location
In hole.
A kind of dual spring emulsion pumps as above, it is characterised in that be provided with in described combination lid
Pad.
A kind of dual spring emulsion pumps as above, it is characterised in that connect in described pump chamber lower end
There is liquid guiding tube.
A kind of dual spring emulsion pumps as above, it is characterised in that be provided with in described combination lid
Connect screw thread.
A kind of dual spring emulsion pumps as above, it is characterised in that outside described evagination connecting portion
The lid of side is provided with position limiting convex ring, forms an energy between described position limiting convex ring and evagination connecting portion
Accommodate the annular link slot of nozzle button.
In sum, relative to prior art, it provides the benefit that the present invention:
One, middle pump body assembly of the present invention uses dual spring design so that aerosol apparatus of the present invention plays pump
Hurry up, spray volume is stable.
Two, present configuration is simple, and production cost is low, easy to use.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the present invention；
Fig. 2 is the decomposing schematic representation of Fig. 1；
Fig. 3 is Fig. 1 midship section schematic diagram；
Fig. 4 is the enlarged drawing in Fig. 3 at A；
Fig. 5 is the schematic diagram of tightening cover in the present invention；
Fig. 6 is the schematic diagram of pump rod under the present invention；
Fig. 7 is the schematic diagram of pump chamber of the present invention；
Fig. 8 is the schematic diagram that the present invention combines lid.
Detailed description of the invention
The invention will be further described with detailed description of the invention in explanation below in conjunction with the accompanying drawings:
A kind of dual spring emulsion pumps as shown in Figures 1 to 3, includes and combines lid 1, described
It is provided with pump assembly 2 in conjunction with in lid 1, is provided with on described pump assembly 2 top described in driving
The nozzle button 3 of pump assembly 2 work, described pump assembly 2 includes pump chamber 21,
Described pump chamber 21 upper inside wall is provided with tightening cover 22, is provided with in described tightening cover 22
Pump rod 23, is provided with limited step 24, described limited step 24 top on described on pump rod 23
Upper pump rod 23 stretch out described combination lid 1, the upper pump rod 23 of described limited step 24 bottom sets
Putting in combining lid 1, described nozzle button 3 is connected on pump rod 23, described spacing
It is arranged with piston 25, in described piston 25 and limit on upper pump rod 23 outer wall below step 24
Being provided with auxiliary spring 26 between the step 24 of position, described auxiliary spring 26 is set on pump rod 23,
It is provided with lower pump rod 27 in pump chamber 21 below pump rod 23, described pump chamber 21 times on described
Portion is provided with positioning step 28, is provided with main spring between described lower pump rod 27 and positioning step 28
29, it is provided with pump pearl 210 in described pump chamber 21 bottom.
Heretofore described lower pump rod 27 includes the lower pump rod that can insert pump rod 23 inner chamber
Body 271, is provided with seal head 272 on described lower pump rod body 271 lower end.
Middle pump body assembly of the present invention uses dual spring design so that it is fast that aerosol apparatus of the present invention plays pump,
Spray volume is stable.
As shown in Fig. 2,3,4 and 7, pump chamber 21 of the present invention includes the first pump district 211,
Being provided with the second pump district 212 below described first pump district 211, the internal diameter in the second pump district 212 is little
In the internal diameter in the first pump district 211, set between described first pump district 211 and the second pump district 212
There is the first connecting portion 213, connect You Sanbeng district 214, institute in described second lower end, pump district 212
The internal diameter in Shu Sanbeng district 214 is less than described second pump district 212 internal diameter, in described second pump district
212 and the 3rd are provided with the second connecting portion 215 between pump district 214, and described positioning step 28 is arranged
Below described 3rd pump district 214.
As shown in Fig. 1,2,3,4 and 8, heretofore described combination lid 1 includes lid
11, described lid 11 upper surface is provided with evagination connecting portion 12, at described evagination connecting portion
Being provided with installing hole 13 in the middle of 12, described upper pump rod 23 is arranged in installing hole 13, described
Evagination connecting portion 12 inwall is provided with positioning convex ring 14, at the first described pump district 211 outer wall
Being provided with position limiting convex ring 2111, described position limiting convex ring 2111 is fastened on described positioning convex ring 14
On.
The present invention is provided with position limiting convex ring on lid 11 outside described evagination connecting portion 12
15, form one between described position limiting convex ring 15 and evagination connecting portion 12 and can accommodate nozzle button 3
Annular link slot 16.
As shown in Figure 1, 2, 3, heretofore described nozzle button 3 includes push-button socket 31,
Described push-button socket 31 is provided with nozzle 32.
As it is shown in figure 5, the present invention is provided with locating convex block 221 on described tightening cover 22,
Described pump chamber 21 upper end is provided with hole 216, location, and described locating convex block 221 is arranged on hole, location
In 216.
As shown in Figures 2 and 3, the present invention is provided with pad 4 in described combination lid 1.Institute
State the connection of pump chamber 21 lower end and have liquid guiding tube 5.Connection screw thread 6 it is provided with in described combination lid 1.
The operation principle of the present invention:
1, during pressing nozzle button 3, the elastic force of main spring 29, nozzle button 3 is overcome to move down,
Because of the elastic force effect of auxiliary spring 26, piston 25 and then moves down together, the gas of pump chamber 21 inner chamber
Body is compressed, when piston 25 withstands first between the first pump district 211 and the second pump district 212 even
During the portion 213 of connecing, auxiliary spring 26 elastic force, piston 25 is overcome to seal with lower pump rod 27
Position is opened, and pump chamber 21 inner chamber gas will be discharged from this position；Lower pump rod 27 moves down into
The second connecting portion 215 between two pump districts 212 and the 3rd pump district 214, nozzle button 3 stops
Under press；
When 2, unclamping nozzle button 3, because of main spring 29 and the effect of auxiliary spring 26, piston
25 seal rapidly with lower pump rod 27 and together with resilience, pump chamber 21 inner chamber forms parital vacuum,
Under external atmosphere pressure effect, pump pearl 210 is introduced and washed open to liquid from liquid guiding tube 5 and enters
Inner chamber；Continue pressing, because of liquid Incoercibility thus by liquid by upper pump rod 23
The nozzle 32 flowing through nozzle button 3 sprays.
The ultimate principle of the present invention and principal character and the present invention have more than been shown and described
Advantage.Skilled person will appreciate that of the industry, the present invention is not restricted to the described embodiments,
The principle that the present invention is simply described described in above-described embodiment and description, without departing from this
On the premise of bright spirit and scope, the present invention also has various changes and modifications, these change and
Improvement both falls within scope of the claimed invention.Claimed scope is by appended
Claims and equivalent thereof define.
Claims (7)
1. a dual spring emulsion pumps, includes combination lid (1), it is characterised in that: in institute
It is provided with pump assembly (2) in stating combination lid (1), sets on described pump assembly (2) top
There are the nozzle button (3) that described pump assembly (2) can be driven to work, described pump assembly
(2) include pump chamber (21), be provided with tightening cover in described pump chamber (21) upper inside wall
(22), in described tightening cover (22), it is provided with upper pump rod (23), pump rod on described
(23) limited step (24) it is provided with, the upper pump rod (23) on described limited step (24) top
Stretching out described combination lid (1), the upper pump rod (23) of described limited step (24) bottom sets
Putting in combining lid (1), described nozzle button (3) is connected on pump rod (23),
It is arranged with piston (25) on upper pump rod (23) outer wall of described limited step (24) lower section,
Auxiliary spring (26) it is provided with between described piston (25) and limited step (24), described
Auxiliary spring (26) is set on pump rod (23), the pump of pump rod (23) lower section on described
It is provided with lower pump rod (27) in room (21), is provided with positioning step in described pump chamber (21) bottom
(28), between described lower pump rod (27) and positioning step (28), it is provided with main spring (29),
It is provided with pump pearl (210) in described pump chamber (21) bottom, described tightening cover (22) sets
There is locating convex block (221), be provided with hole, location (216), institute in described pump chamber (21) upper end
The locating convex block (221) stated is arranged in hole, location (216).
A kind of dual spring emulsion pumps the most according to claim 1, it is characterised in that described
Pump chamber (21) includes the first pump district (211), sets in described first lower section, pump district (211)
Having the second pump district (212), the internal diameter in the second pump district (212) is less than the first pump district (211)
Internal diameter, between described first pump district (211) and the second pump district (212), be provided with first even
Meet portion (213), connect You Sanbeng district (214) in described second pump district (212) lower end,
The internal diameter in described 3rd pump district (214) is less than described second pump district (212) internal diameter, described
It is provided with the second connecting portion (215) between second pump district (212) and the 3rd pump district (214),
Described positioning step (28) is arranged on described 3rd lower section, pump district (214).
A kind of dual spring emulsion pumps the most according to claim 2, it is characterised in that described
Lid (11) is included, outside described lid (11) upper surface is provided with in conjunction with lid (1)
Convex connecting portion (12), is provided with installing hole (13) in the middle of described evagination connecting portion (12),
Described upper pump rod (23) is arranged in installing hole (13), described evagination connecting portion (12)
Inwall is provided with positioning convex ring (14), is provided with on the first described pump district (211) outer wall
Position limiting convex ring (2111), described position limiting convex ring (2111) is fastened on described positioning convex ring (14)
On.
A kind of dual spring emulsion pumps the most according to claim 1, it is characterised in that described
Nozzle button (3) includes push-button socket (31), is provided with spray on described push-button socket (31)
Mouth (32).
A kind of dual spring emulsion pumps the most according to claim 1, it is characterised in that described
Lower pump rod (27) includes the lower pump rod body (271) that can insert pump rod (23) inner chamber,
Described lower pump rod body (271) lower end is provided with seal head (272).
6. according to a kind of dual spring emulsion pumps described in claim 1 or 3, it is characterised in that
Being provided with pad (4) in described combination lid (1), connecting in described pump chamber (21) lower end has
Liquid guiding tube (5), is provided with connection screw thread (6) in described combination lid (1).
A kind of dual spring emulsion pumps the most according to claim 3, it is characterised in that in institute
The lid (11) stating evagination connecting portion (12) outside is provided with position limiting convex ring (15), described
Form one between position limiting convex ring (15) and evagination connecting portion (12) and nozzle button (3) can be accommodated
Annular link slot (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310692167.4A CN103708093B (en) | 2013-12-13 | 2013-12-13 | A kind of dual spring emulsion pumps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310692167.4A CN103708093B (en) | 2013-12-13 | 2013-12-13 | A kind of dual spring emulsion pumps |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103708093A CN103708093A (en) | 2014-04-09 |
| CN103708093B true CN103708093B (en) | 2016-08-17 |
Family
ID=50401512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310692167.4A Active CN103708093B (en) | 2013-12-13 | 2013-12-13 | A kind of dual spring emulsion pumps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103708093B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104872980A (en) * | 2015-03-14 | 2015-09-02 | 理想科技集团有限公司 | Roller-type cosmetic bottle |
| CN108502344B (en) * | 2018-03-30 | 2020-06-05 | 佛山市彩泵塑料制品有限公司 | Emulsion pump |
| US20230092170A1 (en) * | 2021-09-23 | 2023-03-23 | Apackaging Group Llc | All Plastic High Pressure Pump |
| US11957178B2 (en) | 2021-11-15 | 2024-04-16 | Apackaging Group Llc | Aerosol actuator |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4856677A (en) * | 1987-03-26 | 1989-08-15 | Valois, Societe Anonyme | Portioning device for paste or semi-liquid products |
| US4960230A (en) * | 1987-07-30 | 1990-10-02 | Elettro Plastica S.R.L. | Delivery pump for fluid containers |
| US5038965A (en) * | 1990-04-06 | 1991-08-13 | Spruhventile Gmbh | Pump dispenser for delivering a predetermined dosage regardless of method of actuation |
| CN1136526A (en) * | 1995-04-13 | 1996-11-27 | 蒙托拉斯股份有限公司 | Precompression pump sprayer |
| CN1167215A (en) * | 1996-05-31 | 1997-12-10 | 卡尔马有限公司 | Plunger lock-up dispenser |
| CN1535901A (en) * | 2003-04-11 | 2004-10-13 | ���ŷ� | Pump and contaner with said pump |
| CN2795074Y (en) * | 2005-04-26 | 2006-07-12 | 林添大 | Spray pump with dust-proof cover |
| CN102145782A (en) * | 2011-04-28 | 2011-08-10 | 叶夏英 | Pressing type emulsion spray nozzle |
| CN202638659U (en) * | 2012-05-05 | 2013-01-02 | 中山市美捷时喷雾阀有限公司 | Atomizing pump with double springs |
-
2013
- 2013-12-13 CN CN201310692167.4A patent/CN103708093B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4856677A (en) * | 1987-03-26 | 1989-08-15 | Valois, Societe Anonyme | Portioning device for paste or semi-liquid products |
| US4960230A (en) * | 1987-07-30 | 1990-10-02 | Elettro Plastica S.R.L. | Delivery pump for fluid containers |
| US5038965A (en) * | 1990-04-06 | 1991-08-13 | Spruhventile Gmbh | Pump dispenser for delivering a predetermined dosage regardless of method of actuation |
| CN1136526A (en) * | 1995-04-13 | 1996-11-27 | 蒙托拉斯股份有限公司 | Precompression pump sprayer |
| CN1167215A (en) * | 1996-05-31 | 1997-12-10 | 卡尔马有限公司 | Plunger lock-up dispenser |
| CN1535901A (en) * | 2003-04-11 | 2004-10-13 | ���ŷ� | Pump and contaner with said pump |
| CN2795074Y (en) * | 2005-04-26 | 2006-07-12 | 林添大 | Spray pump with dust-proof cover |
| CN102145782A (en) * | 2011-04-28 | 2011-08-10 | 叶夏英 | Pressing type emulsion spray nozzle |
| CN202638659U (en) * | 2012-05-05 | 2013-01-02 | 中山市美捷时喷雾阀有限公司 | Atomizing pump with double springs |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103708093A (en) | 2014-04-09 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.21 Jiankang Road, Torch Development Zone, Zhongshan City, Guangdong Province 528400 Patentee after: Guangdong Meijieshi Holdings Co.,Ltd. Address before: No.21 Jiankang Road, Torch Development Zone, Zhongshan City, Guangdong Province 528400 Patentee before: MAJESTY PACKAGING SYSTEMS Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A double spring lotion pump Effective date of registration: 20231228 Granted publication date: 20160817 Pledgee: Industrial and Commercial Bank of China Limited Zhongshan High tech Development Zone Branch Pledgor: Guangdong Meijieshi Holdings Co.,Ltd. Registration number: Y2023980075289 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |