CN105197389B - Foam pump - Google Patents
Foam pump Download PDFInfo
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- CN105197389B CN105197389B CN201510613233.3A CN201510613233A CN105197389B CN 105197389 B CN105197389 B CN 105197389B CN 201510613233 A CN201510613233 A CN 201510613233A CN 105197389 B CN105197389 B CN 105197389B
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- rhabd
- check valve
- pump housing
- foam
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Abstract
A kind of foam pump, including the pump housing, big lid, head cap, foamed assembly, in the pump housing by dividing plate be divided into above and below two sheaf spaces, upper rhabd and lower rhabd are respectively equipped with two sheaf spaces up and down, the lower end of upper rhabd is coaxially set in the top of lower rhabd through dividing plate, the upper end of upper rhabd is connected with head cap, the lower end of lower rhabd is connected with the obstruction located at pump housing bottom, the disc-shaped structure as piston that upper rhabd is engaged with the top of lower rhabd integrally formed with the inwall with the pump housing, the first check valve and the 3rd check valve are respectively arranged below with disc-shaped structure, corresponding with outlet hole site the second check valve and the 4th check valve are respectively equipped with the inwall of upper rhabd and lower rhabd.The pump housing of the present invention uses double-decker, on the premise of pump housing external diameter and dosage are equal, and single times of pressing distance just can obtain double tolerance, so as to obtain double dosage, with compact conformation is reasonable, good seal performance, heavy dose the characteristics of.
Description
Technical field
The present invention relates to a kind of foam pump, especially a kind of heavy dose of foam pump.
Background technology
Foam pump is widely used in the fields such as daily cosmetics, medicine, and general foam pump dosage is all smaller, is all
Using the structure of the individual layer pump housing, but the also big occasion of dosage in need, it is assumed that on the premise of pump housing external diameter is constant, to improve
Dosage will increase pressing stroke and the height of the pump housing, and the height of such head cap will be very high, and influence is used and attractive in appearance.
Through looking into, the Chinese patent of existing Patent No. 200720113219.8《A kind of foam pump》, it includes the pump housing, big
Piston, big piston rod, valve piston, small piston rod, head cap, foam screen, it is characterised in that set in described big piston rod and big
The check valve of piston gas cavity connection, also, unidirectional valve body uses the valve block in sleeve-shaped that elastomeric material is made, valve
Piece is arranged on step surface in the fixed seat of big piston rod, also, valve block upper end uses the cone seal that diameter gradually increases
Intercommunicating pore on face, with big piston rod carries out fitted seal, and intercommunicating pore connects gas-liquid mixed cavity and big piston in big piston rod
Gas cavity.This foam pump with it is existing, be also individual layer pump body structure, it is therefore desirable to design a kind of new heavy dose
Foam pump, on the premise of pump housing external diameter and dosage are equal, it is not necessary to increase pressing stroke, meet usability and aesthetic property will
Ask.
The content of the invention
The technical problems to be solved by the invention be for the above-mentioned state of the art and provide a kind of compact conformation rationally, agent
Big, the practical foam pump of amount.
The present invention solve the technical scheme that is used of above-mentioned technical problem for：A kind of foam pump, it include the pump housing, great Gai,
Head cap, foamed assembly, it is characterised in that：In the pump housing by dividing plate be divided into above and below two sheaf spaces, in two sheaf spaces up and down
Hollow upper rhabd and lower rhabd is respectively equipped with, the lower end of upper rhabd is set in above lower rhabd through dividing plate to be connected, on
The upper end of mobile jib is connected with head cap, and the lower end of lower rhabd is connected with the obstruction located at pump housing bottom, upper rhabd and lower rhabd
Top have the disc-shaped structure as piston being engaged with the inwall of the pump housing, upper rhabd disc-shaped structure and dividing plate it
Between, formed between the disc-shaped structure of dividing plate and lower rhabd and between the disc-shaped structure and obstruction of lower rhabd the first cavity,
The disc-shaped structure of 3rd cavity and the second cavity, upper rhabd and lower rhabd is provided with air admission hole, divides below disc-shaped structure
The first check valve and the 3rd check valve that She You do not coordinate, venthole, upper master are respectively equipped with the side wall of upper rhabd and lower rhabd
Corresponding with outlet hole site the second check valve and the 4th check valve are respectively equipped with the inwall of bar and lower rhabd, when head cap is pushed
When, the first check valve, the 3rd closed check valve, the second check valve, the 4th check valve are opened, the first cavity in the pump housing, second
Gas in cavity extrudes head cap, when head cap is up, the first check valve, the 3rd by the hollow space of upper rhabd and lower rhabd
Check valve is opened, the second check valve, the 4th closed check valve, in the fluid chamber below liquid suction obstruction.
As an improvement, the pump housing is the small pump that the undergauge below the big pump housing is arranged on by the cylindric big pump housing and pairing
Body is constituted, and dividing plate is integrally formed in the middle part of the inner chamber of the big pump housing, provided with close between the lower end of upper rhabd and the centre bore of dividing plate
Seal seat.
As an improvement, the middle part of the dividing plate is provided with the annular groove with centre bore, seal receptacle is the set with bulge loop
Coil structures, sealed socket sleeve is located at the lower end outside of upper rhabd, is arranged on upper rhabd and bulkhead seal in annular groove.
As an improvement, first check valve and the 3rd check valve are respectively sleeved at outside upper rhabd and lower rhabd, first
The valve that the tip-tilted disc-shaped structure with upper rhabd and lower rhabd offsets is respectively equipped with the outside of check valve and the 3rd check valve
Membranaceous sealing surface coordinates with air admission hole.
As an improvement, second check valve and the 4th check valve are in sleeve-like configuration, the second check valve and the 4th respectively
The lower end of check valve is respectively equipped with the convex portion offseted with the inwall step surface of upper rhabd and lower rhabd, the second check valve and the 4th list
It is respectively equipped with and is offseted with the inwall of upper rhabd and lower rhabd by the sealed wide diameter portion of venthole to the upper end of valve.
Improve again, the upper rhabd, which is provided with, is located at what is covered greatly on the return-air structure being connected with the 3rd cavity, upper rhabd
Lower section side is provided with a return-air hole, is longitudinally communicated provided with upper end with return-air hole on the side wall of upper rhabd, bottom and the 3rd cavity phase
The gap of connection.
Improve again, the obstruction is arranged in the small pump housing, the outer sheath of obstruction be provided with the inwall of the small pump housing offset it is small
Piston, the sidepiece longitudinal section of valve piston is in the I-shaped shape of upset, and the inboard of valve piston is embedded in the annular groove and lower rhabd of obstruction
Bottom between, the inwall of the outside of valve piston and the small pump housing offsets sealing, and the inboard valve and annular groove bottom of valve piston are
Fitted seal or disengaging, the outer surface milling of obstruction has air channel.
Improve again, the upper end of the upper rhabd is sequentially provided with foam screen and lower foam screen, wherein lower foam screen is set in
The upper end of the gas-liquid mixed chamber of upper rhabd, upper foam screen is co-axially located above lower foam screen, between upper rhabd and head cap.
Further improve, divide between the outward flange of disc-shaped structure of the upper rhabd and lower rhabd and the inwall of the pump housing
The first sealing ring and the second sealing ring are not equipped with.
Further improve, the upper end of the pump housing is provided with the edge of evagination, indent is correspondingly provided with the inside of the upper end covered greatly
Annular slot, the pump housing is connected with covering greatly by way of clamping, and close provided with the 3rd between edge upper end and big lid
Seal, the lower end inside covered greatly is provided with internal thread, and the mode being connected through a screw thread is covered greatly and is connected with shell of tank, and is holding
Seal washer is lined between device shell and big lid.
Compared with prior art, the advantage of the invention is that：The pump housing uses double-decker, and set corresponding upper rhabd and
Integrally formed with the disc-shaped structure as piston on lower rhabd, upper rhabd and lower rhabd, product structure is enormously simplify, and
Assembling is convenient to, and compared with traditional individual layer pump housing, foam pump pressing stroke shortens half, so in pump housing external diameter and
On the premise of dosage is equal, single times of pressing distance just can obtain double tolerance, so as to obtain double dosage；In addition, setting
Have a seal receptacle, good seal performance, prevent upper rhabd and lower rhabd caused in motion process above and below air chamber gas leakage；Pump
Return-air structure is provided with vivo, ensures that air enters when making to be formed negative pressure.Not only compact conformation is reasonable by the present invention, good seal performance,
And heavy dose is realized, the height of head cap is substantially reduced, improves and uses practicality.
Brief description of the drawings
Fig. 1 for the present invention in off position under structural representation；
Fig. 2 pushes the structural representation under bubble jet does well for the present invention in head cap；
Fig. 3 is structure decomposition figure of the invention；
Fig. 4 passes in and out schematic diagram for the gas of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in figures 1-4, the foam pump of the present embodiment, it includes the pump housing 1, big lid 2, head cap 3, upper rhabd 4, lower rhabd 5
And the critical piece such as foamed assembly, the pump housing 1, big lid 2, head cap 3, upper rhabd 4 and lower rhabd 5 be made of PP plastics, pump
The small pump housing 12 that body 1 is arranged on the undergauge of the big lower section of the pump housing 11 by the cylindric big pump housing 11 and pairing is constituted, and they can be with
Formed using the clamping or ultrasonic bonding connection of annular slot and annular card article, the upper end of the big pump housing 11 is provided with the side of evagination
The annular slot of indent is correspondingly provided with the inside of edge, the upper end of big lid 2, the pump housing 1 is connected with big lid 2 by way of clamping,
And the 3rd sealing ring 100 is provided between edge upper end and big lid 2, the lower end inside of big lid 2 is provided with internal thread, and big lid 2 passes through
The mode of threaded connection is connected with shell of tank 102, and is lined with seal washer between shell of tank 102 and big lid 2
101, the lower end of the small pump housing 12 is connected with suction pipe 103, in the top of suction pipe 103 provided with pellet seat 104, is inside provided with pellet 109,
Form check valve；The inner chamber integral middle of the big pump housing 1 form a dividing plate 111 by the pump housing 1 be divided into above and below two sheaf spaces, upper rhabd
4 and lower rhabd 5 be hollow structure, be separately positioned on upper and lower two sheaf space, the lower end of upper rhabd 4 passes through the coaxial sleeve of dividing plate 111
The top of lower rhabd 5 is located at, coordinates clamping to connect by annular slot and annular card article, upper end and the head cap 3 of upper rhabd 4
Phase clamping is connected, and the lower end of lower rhabd 5 is connected with the phase clamping of obstruction 6 located at the small internal upper part of the pump housing 12, in the lower end of upper rhabd 4
Seal receptacle 7 is provided between the centre bore of dividing plate 111, the middle part of dividing plate 111 is provided with the annular groove with centre bore, seal receptacle
7 be the ferrule arrangement with bulge loop, and it is to play sealing function in the up and down motion of upper rhabd 4 that it, which is acted on, and seal receptacle 7 is set in
The lower end outside of mobile jib 4, it is arranged in annular groove and seals upper rhabd 4 with dividing plate 111；
The top of upper rhabd 4 and lower rhabd 5 integrally formed with the inwall with the big pump housing 11 be engaged as piston
Disc-shaped structure 41 and 51, the first O is equipped between the outward flange of disc-shaped structure 41 and 51 and the inwall of the big pump housing 11
The O-ring seals 107 of shape sealing ring 110 and second, between the disc-shaped structure 41 and dividing plate 111 of upper rhabd 4, dividing plate 111 with
First is sequentially formed respectively between the disc-shaped structure 51 of lower rhabd 5 and between the disc-shaped structure 51 and obstruction 6 of lower rhabd 5
Be respectively equipped with the disc-shaped structure 41 and 51 of cavity 13, the 3rd cavity 15 and the second cavity 14, upper rhabd 4 and lower rhabd 5 into
Stomata 411 and 511, the first check valve 42 of cooperation and the 3rd check valve 52 are respectively arranged below with disc-shaped structure 41 and 51, the
One check valve 42 and the 3rd check valve 52 are constituted using the valve on fixed cover, simple in construction, are active in one's movements, in the He of upper rhabd 4
The side wall of lower rhabd 5 is respectively equipped with venthole 44 and 54, is respectively equipped with and venthole 44 on the inwall of upper rhabd 4 and lower rhabd 5
Corresponding with 54 positions the second check valve 43 and the 4th check valve 53, the second check valve 43 and the 4th check valve 53 are also using fixation
The valve put is constituted, simple in construction, is active in one's movements, the first check valve 42, the second check valve 43, the 3rd check valve 52 and the 4th
Check valve 53 is that silica gel is made, wherein the first check valve 42 is similar with the structure of the 3rd check valve 52, is respectively sleeved at master
Outside bar 4 and lower rhabd 5, be respectively equipped with the outside of the first check valve 42 and the 3rd check valve 52 it is tip-tilted with upper rhabd 4 and
The disc-shaped structure 41 and 51 of lower rhabd 5 offsets the sealing surface of the valve shape of inlet close, the second check valve 43 and the 4th
The structure of check valve 53 is similar, respectively in sleeve-like configuration, with valve, the lower end of the second check valve 43 and the 4th check valve 53
It is respectively equipped with the convex portion offseted with the inwall step surface of upper rhabd 4 and lower rhabd 5, the second check valve 43 and the 4th check valve 53
Upper end is respectively equipped with to offset the sealed wide diameter portion of venthole with the inwall of upper rhabd 4 and lower rhabd 5, valve is constituted, when head cap 3
When pushing, the first check valve 42, the 3rd check valve 52 are closed, and the second check valve 43, the 4th check valve 53 are opened, in the pump housing 1
Gas in first cavity 13, the second cavity 14 extrudes head cap 3 by the hollow space of upper rhabd 4 and lower rhabd 5, when head cap 3
When up, the first check valve 42, the 3rd check valve 52 are opened, and the second check valve 43, the 4th check valve 53 are closed, liquid suction resistance
In the fluid chamber 16 of the lower section of plug 6；
When head cap 3 is descending, the volume of the 3rd cavity 15 is widened, and forming negative pressure needs extraneous gas to enter the 3rd cavity
15, and head cap 3 it is up when, the volume of the second cavity 14, which is widened, also forms negative pressure, it is also desirable to outside air enter the 3rd cavity 15,
Therefore the lower section side for being located at big lid 2 on the return-air structure being connected with the 3rd cavity 15, upper rhabd 4 is provided with upper rhabd 4
Provided with a return-air hole 45, longitudinally communicated on the side wall of upper rhabd 4 provided with upper end with return-air hole 45, bottom is connected with the 3rd cavity 15
Logical gap 46, when head cap 3 is pressed, between the upper end outer wall and bucker 8 of big lid 2, the lower end of head cap 3 and big lid 2 it
Between form the gap of supplied gas flowing, the return-air of such 3rd cavity 15 passes through the side of upper rhabd 4 along the arrow circuit in Fig. 4
Parietal suture gap 46 enters, and completes air inlet and is connected with the external world；Obstruction 6 is arranged on the small internal upper part of the pump housing 12, and the outer sheath of obstruction 6 is provided with
The valve piston 9 offseted with the inwall of the small pump housing 12, the sidepiece longitudinal section of valve piston 9 is in the I-shaped shape of upset, the inboard of valve piston 9
It is embedded between the annular groove of obstruction 6 and the bottom of lower rhabd 5, the inwall of the outside of valve piston 9 and the small pump housing 12 offsets sealing,
The inboard valve and annular groove bottom of valve piston 9 are fitted seal or disengaging, and the outer surface milling of obstruction 6 has air channel
61；The upper end of upper rhabd 4 is sequentially provided with foam screen 105 and lower foam screen 106, wherein lower foam screen 106 is set in upper rhabd 4
Gas-liquid mixed chamber upper end, upper foam screen 105 be co-axially located at the top of lower foam screen 106, positioned at upper rhabd 4 and head cap 3 it
Between, the side of head cap 3 offers spout 31, is also arranged with anti-theft fastener 10 between head cap 7 and big lid 2, plays anti-theft function, separately
Spring 108 is supported by between outer head cap 3 and big lid 2 so that the pressing of head cap 3 can automatically reset after loosing one's grip.
Operation principle and the use of process is such：When hand presses head cap 3, upper rhabd 4 and lower rhabd 5 is driven to transport downwards
It is dynamic, the first check valve 42, the 3rd check valve 52 and upper rhabd 4 and the disc knot of lower rhabd 5 on upper rhabd 4 and lower rhabd 5
Structure 41 and 51 is offseted fitted seal, and the second check valve 43, the 4th check valve 53 are opened, the first cavity 13, the second chamber in the pump housing 1
Gas in body 14 extrudes head cap 3 by the hollow space of upper rhabd 4 and lower rhabd 5, under obstruction 6 is under the promotion of lower rhabd 5
OK, valve piston 9 is 6 up relative to obstruction, departs from annular groove bottom, no longer fitted seal, opens valve, and liquid is from fluid chamber
16 extrude head cap 3 by the hollow space of upper rhabd 4 and lower rhabd 5, and liquid blows along with from the first cavity 13, the second cavity 14
The gas gone out, blows out by lower foam screen 106, the formation foam of upper foam screen 105 from shower nozzle 31；
When hand unclamps head cap 3, head cap 3 is up in the presence of spring 108, drives upper rhabd 4, lower rhabd 5 up, pump
The pressure of fluid chamber 16 in body 1 reduces, and the liquid that pellet 109 can not be sealed up in suction pipe 103, container enters fluid chamber 16
In, while the first check valve 42, the 3rd check valve 52 are opened, the second check valve 43, the 4th check valve 53 are closed, and gas is from the external world
It is to prepare next time, do action just produces spray action successively into the first cavity 13 and the second cavity 14.
Claims (9)
1. a kind of foam pump, it includes the pump housing, great Gai, head cap, foamed assembly, it is characterised in that：Pass through dividing plate in the pump housing
Two sheaf space above and below being divided into, is respectively equipped with hollow upper rhabd and lower rhabd, the lower end of upper rhabd is worn in two sheaf spaces up and down
Cross dividing plate to be set in the top of lower rhabd and be connected, the upper end of upper rhabd is connected with head cap, and the lower end of lower rhabd is with being located at
The obstruction of pump housing bottom is connected, and upper rhabd has the disk as piston being engaged with the inwall of the pump housing with the top of lower rhabd
Shape structure, between the disc-shaped structure and dividing plate of upper rhabd, between the disc-shaped structure of dividing plate and lower rhabd and lower rhabd
Disc-shaped structure and obstruction between form the disc of the first cavity, the 3rd cavity and the second cavity, upper rhabd and lower rhabd
Structure is provided with air admission hole, is respectively arranged below with disc-shaped structure unidirectional with the first check valve of air admission hole cooperation and the 3rd
Valve, venthole is respectively equipped with the side wall of upper rhabd and lower rhabd, is respectively equipped with and outlet on the inwall of upper rhabd and lower rhabd
Corresponding second check valve in hole site and the 4th check valve, when head cap is pushed, the first check valve, the 3rd closed check valve, the
Two check valves, the 4th check valve are opened, and the first cavity in the pump housing, the gas in the second cavity pass through upper rhabd and lower rhabd
Hollow space extrudes head cap, when head cap is up, and the first check valve, the 3rd check valve are opened, the second check valve, the 4th check valve
Close, in the fluid chamber below liquid suction obstruction；
The upper rhabd is provided with the return-air structure being connected with the 3rd cavity, upper rhabd to be provided with positioned at the lower section side covered greatly
Longitudinally provided with the gap that upper end is communicated with return-air hole, bottom is connected with the 3rd cavity on one return-air hole, the side wall of upper rhabd.
2. foam pump according to claim 1, it is characterised in that：The pump housing is set by the cylindric big pump housing and pairing
The small pump housing composition of the undergauge below the big pump housing is put, dividing plate is integrally formed in the middle part of the inner chamber of the big pump housing, under upper rhabd
Seal receptacle is provided between end and the centre bore of dividing plate.
3. foam pump according to claim 2, it is characterised in that：The middle part of the dividing plate is provided with the annular with centre bore
Groove, seal receptacle is the ferrule arrangement with bulge loop, and sealed socket sleeve is located at the lower end outside of upper rhabd, is arranged in annular groove
By upper rhabd and bulkhead seal.
4. foam pump according to claim 1, it is characterised in that：First check valve is arranged respectively with the 3rd check valve
Outside upper rhabd and lower rhabd, be respectively equipped with the outside of the first check valve and the 3rd check valve it is tip-tilted with upper rhabd and under
The sealing surface for the valve shape that the disc-shaped structure of mobile jib offsets, coordinates with air admission hole.
5. foam pump according to claim 1, it is characterised in that：Second check valve and the 4th check valve are respectively in set
The lower end of tubular structure, the second check valve and the 4th check valve is respectively equipped with to offset with the inwall step surface of upper rhabd and lower rhabd
Convex portion, the upper end of the second check valve and the 4th check valve is respectively equipped with to offset venthole with the inwall of upper rhabd and lower rhabd
Sealed wide diameter portion.
6. the foam pump according to claim 1 to 5 any claim, it is characterised in that：The obstruction is arranged on small pump
In vivo, the outer sheath of obstruction is provided with the valve piston offseted with the inwall of the small pump housing, and the sidepiece longitudinal section of valve piston is in the work overturn
Shape, the inboard of valve piston is embedded between the annular groove of obstruction and the bottom of lower rhabd, the outside of valve piston and the small pump housing
Inwall offsets sealing, and the inboard valve and annular groove bottom of valve piston are fitted seal or disengaging, the appearance facing cut of obstruction
Air channel is cut.
7. the foam pump according to claim 1 to 5 any claim, it is characterised in that：The upper end of the upper rhabd according to
It is secondary to be provided with upper foam screen and lower foam screen, wherein lower foam screen is set in the upper end of the gas-liquid mixed chamber of upper rhabd, upper foam screen
It is co-axially located above lower foam screen, between upper rhabd and head cap.
8. the foam pump according to claim 1 to 5 any claim, it is characterised in that：The upper rhabd and lower rhabd
The outward flange of disc-shaped structure and the inwall of the pump housing between be equipped with the first sealing ring and the second sealing ring.
9. the foam pump according to claim 1 to 5 any claim, it is characterised in that：The upper end of the pump housing is provided with
The annular slot of indent is correspondingly provided with the inside of the edge of evagination, the upper end covered greatly, the pump housing is connected with covering greatly by way of clamping
It is fixed, and the 3rd sealing ring is provided between edge upper end and big lid, the lower end inside covered greatly is provided with internal thread, and big lid passes through spiral shell
The mode of line connection is connected with shell of tank, and is lined with seal washer between shell of tank and big lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510613233.3A CN105197389B (en) | 2015-09-24 | 2015-09-24 | Foam pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510613233.3A CN105197389B (en) | 2015-09-24 | 2015-09-24 | Foam pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105197389A CN105197389A (en) | 2015-12-30 |
| CN105197389B true CN105197389B (en) | 2017-08-15 |
Family
ID=54945451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510613233.3A Active CN105197389B (en) | 2015-09-24 | 2015-09-24 | Foam pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105197389B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108408236A (en) * | 2018-02-02 | 2018-08-17 | 李茵茵 | A kind of facial cleanser mousse bubble flask |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2371382Y (en) * | 1999-01-27 | 2000-03-29 | 张锡雄 | Foam emulsion pump |
| EP1911525B1 (en) * | 2005-07-29 | 2012-04-11 | Yoshino Kogyosho Co., Ltd. | Ejecting container |
| JP5873247B2 (en) * | 2011-03-22 | 2016-03-01 | 大和製罐株式会社 | Pump type foam discharge container |
| CA2841279C (en) * | 2014-01-29 | 2021-11-23 | Heiner Ophardt | Multiple air chamber foam pump |
| CN203997361U (en) * | 2014-06-30 | 2014-12-10 | 上海保柏日化有限公司 | A kind of improved type spring external is pressed liquid foam dispensing device and container |
| CN205023129U (en) * | 2015-09-24 | 2016-02-10 | 浙江金马实业有限公司 | Foam pump |
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2015
- 2015-09-24 CN CN201510613233.3A patent/CN105197389B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105197389A (en) | 2015-12-30 |
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Effective date of registration: 20220909 Address after: Yaojia Village, Mazhu Town, Yuyao City, Ningbo City, Zhejiang Province, 315456 Patentee after: Ningbo Huazhou Packaging Co.,Ltd. Address before: 315400 No. 3, Zhushan Road, Mazhu Town, Yuyao City, Zhejiang Province Patentee before: ZHEJIANG JM INDUSTRY Co.,Ltd. |