CN104210745A - Foam pump - Google Patents
Foam pump Download PDFInfo
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- CN104210745A CN104210745A CN201410362552.7A CN201410362552A CN104210745A CN 104210745 A CN104210745 A CN 104210745A CN 201410362552 A CN201410362552 A CN 201410362552A CN 104210745 A CN104210745 A CN 104210745A
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- foam
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- pump
- piston
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Abstract
The invention relates to a foam pump in order to solve the problems that the existing foam pump body and a chamber are integrated, resulting in the situation that a screwed bottleneck is increased in size, and the external diameter of the chamber is limited by the size of the bottleneck. The foam pump comprises a pump body inserted into a bottle body to be immersed in a liquid, and also comprises a foam generator, wherein the foam generator is provided with a screw part connected with the bottleneck, a gas bin positioned at the upper part of the screw part, and a pressing part positioned at the upper part of the gas bin, and the upper end of the pump body penetrates from the screw part through the gas bin to be connected with the pressing part in an inserted way; a foam generating chamber is arranged in a position, above the upper end of the pump body, of the inside of the pressing part, and is communicated with a foam outlet of the pressing part, and the pump body and the foam generator are two components which are fixedly connected in an inserted way. Before assembling, the pump body and the foam generator can be separately produced and detected, and are assembled into a whole after being respectively detected to be qualified, so that the yield of finished products is ensured; the gas bin of the foam generator is positioned at the upper part of the screw part, and the connecting size of the screw part and the volume of the gas bin are not influenced each other.
Description
Technical field
The present invention relates to pump class field, especially a kind of foam pump for generation of foam.
Background technology
Along with growth in the living standard, people are also at the convenience pursuing daily life, and daily living article also asks most easy-to-useization, such as bottling liquid, is all generally to connect a liquor pump at the outlet position of bottle, and only need press this pump can pump the liquid in bottle.
This bottling liquid is all liquid when using, such as hand cleanser, liquid detergent etc.But also have some liquid to need when in use to be kneaded into foam, existing mode, be all rubbed with the hands by hand rubbing after pumping liquid to spume, this mode uses cumbersome again, therefore people are also at a kind of pump that directly can produce foam newly of research, and what pump is exactly spumescence object.
Patent Office of the People's Republic of China also discloses the patent document of more relevant foam pump, all that the components interior of pump is provided with a foam generator, before pump discharge, liquid-to-air mixing forms foam by foam screen again, these foam pump all need a chamber, can air be sucked by this chamber, discharge at this chamber inner pressure contracting air and by the air after compression and mix with liquid.These pumps are all that spinning is at bottleneck, chamber and the pump housing are integrative-structures, when being connected with bottleneck, the pump housing is all extend in bottle, therefore related chamber is also extend in bottle simultaneously, that is the connecting portion of these foam pump and bottleneck is in the outside of chamber, this restriction with regard to making the external diameter of chamber be subject to bottleneck diameter, in order to obtain good foamed effect, chamber needs enough volumes, therefore the external diameter of chamber is the specification having it to design, the size of such foam pump self can be larger, also the size changing bottleneck is just needed to coordinate with these foam pump, or select larger bottleneck to assemble above-mentioned foam pump, cause on the bottle of the installation specification of existing foam pump more than 28/400, cannot be arranged on the bottle of toiletries product of more small dimension.
Such as: on September 14th, 2011 has announced a CN201971271U document, name is called foam pump, this foam pump comprises pressing piece, there is press section, foam inlet, foam outlet and foam screen assembly, also there is cylinder body, it has inner cylinder body, inner cylinder body is communicated with suction pipe by the first check valve, first piston is placed in cylinder body, it has through hole, and be provided with the second check valve, the middle part of first piston has valve pipe, foam pump also has the conduit being fixedly connected with valve pipe and foam inlet, its one end extends internally Venturi tube, its osculum end is towards foam screen assembly, foam pump is also provided with core assembly.
Summary of the invention
The object of this invention is to provide a kind of foam pump, solve the existing foam pump pump housing and chamber consubstantiality, cause the size of the bottleneck screwed to increase, the external diameter of chamber is subject to the defect of the restriction of bottleneck size simultaneously.
Foam pump provided by the invention, also solves the existing foam pump pump housing and foam generator is structure as a whole, and needs whole detection and debugging, the defect that the pump housing and foam generator can not be changed separately.
Foam pump provided by the invention, the size of installation, not by the restriction of cavity volume, can screw on the less toiletries product of screw socket.
The technical solution adopted for the present invention to solve the technical problems is: a kind of foam pump, comprise the pump housing being inserted into and immersing liquid in bottle, also comprise foam generator, foam generator have connect bottleneck screw socket portion, be in the gas storehouse on the top in screw socket portion and be in the press section on top, gas storehouse;
The upper end of the pump housing penetrates from screw socket portion and passes gas storehouse and press section grafting, and the inner foam that is provided with at above position, the upper end of the pump housing in press section generates room, and foam generates the foam outlet of connection press section, room;
The lower end of press section is piston, and this piston to be in gas storehouse and with press section synchronizing moving, piston can be provided with inlet channel and to control air inlet by breather check valve, and gas storehouse and foam generate and be provided with gas off-take between room and controlled by outgassing nonreturn valve;
The pump housing and foam generator adopt the mode of grafting to assemble, and plugging position is provided with sealing arrangement.
The pump housing and foam generator are two parts, for grafting is fixedly connected with between two parts, in the pre-assembly, the pump housing and foam generator all can be produced separately, detect separately, an entirety is assembled into again after each Autonomous test is qualified, guarantee the qualification rate of finished product, even if defect appears in final finished, also directly can judge the position at defect place; The gas storehouse of foam generator is in the top of screw socket, can not influence each other between the volume in the gentle storehouse of connection dimension of screw socket, that is: the connection dimension in screw socket portion can design according to the size of bottleneck and make, the volume in gas storehouse designs according to the requirement of setting, the external diameter in gas storehouse does not limit by bottleneck size, also the spiral size in screw socket portion is made can to match less bottleneck, such as toiletries bottle.
The pump housing and foam generator grafting integrally rear and bottleneck are spirally connected, and for preventing the pump housing to be separated with foam generator during use, foam generator is provided with next door between screw socket portion and gas storehouse, and the centre in this next door is provided with the through hole of walking for the pump housing; The proper site of the shell of the pump housing is provided with limiting section, and after the pump housing and foam generator grafting, limiting section and next door fit.After screw socket portion and bottleneck are spirally connected, limiting section is clamped in upper end-face edge and the next door of bottleneck, and screw socket portion and bottleneck revolve tighter, and the pump housing connects all the more stable.
In order to prevent the liquid of bottle inside from flowing out from bottleneck gap location, the shell of the pump housing is equipped with packing seal, and packing seal is in the side of limiting section towards pump housing pump liquid entrance; Packing seal is lined with between limiting section and next door.
In order to increase the effect of foam, press section is inner is provided with gas-liquid mixed room between foam generates room and the pump housing exports, and gas-liquid mixed room is communicated with the gas off-take in gas storehouse, and unidirectional air outlet valve is placed in the gas off-take place in gas storehouse and controls the logical of this gas off-take or close.Gas and liquid first mixed in gas-liquid mixed indoor before foam chamber, enter foam simultaneously and generate room after mixing.
As preferably, the inside of piston is provided with passage, and the upper end of passage is that foam generates room, and the lower end of passage be middle narrow meshed first connecting portion, the perisporium of the first connecting portion offers pore, pore communicating passage and the gas storehouse of symmetry.
As preferably, piston end surface place is provided with valve seat, and the upper end of the pump housing to be inserted in valve seat and relative with the aperture of the first connecting portion, and the top periphery of valve seat is provided with slot, slot communicates with pore formation gas off-take, and outgassing nonreturn valve seat is logical or close for unidirectional control gas off-take on valve seat.
As preferably, breather check valve and outgassing nonreturn valve are structure as a whole formation air valve component, air valve component has the Plug Division being embedded into piston axial end, and breather check valve is the film lobe be connected on the outer wall of Plug Division, and outgassing nonreturn valve is the film lobe be connected on the inwall of Plug Division.
As preferably, the two ends that foam generates room are mesh sheet, and by mesh sheet seat supports between two mesh sheet, two mesh sheet are provided with mesh, and mesh beak up of liquids also forms foam.
As preferably, gas storehouse is surrounded by gas bulkhead, the outside in screw socket portion is hood-shaped large lid, the opening direction of large lid is identical with the screw-in direction in screw socket portion, screw socket portion is provided with annular draw-in groove towards the one end in gas storehouse, the end of gas bulkhead snaps onto in draw-in groove, and screw socket portion is extended with retaining wall towards the one end in gas storehouse, and after gas bulkhead snaps onto draw-in groove, retaining wall is in gas bulkhead outside.
As preferably, the top of press section is head cap, and head cap and the mutual grafting of piston are also fixing, and the upper end of gas bulkhead has the socket coordinated with head cap circumferential play, gas bulkhead is provided with towards the flange of inside, gas storehouse at the edge of socket, and structure is moved back in the resistance forming piston between flange and gas bulkhead.
The invention has the beneficial effects as follows: the pump housing and foam generator are two parts, for grafting is fixedly connected with between two parts, in the pre-assembly, the pump housing and foam generator all can be produced separately, detect separately, an entirety is assembled into again after each Autonomous test is qualified, guarantee the qualification rate of finished product, even if defect appears in final finished, also directly can judge the position at defect place; The gas storehouse of foam generator is in the top of screw socket, can not influence each other between the volume in the gentle storehouse of connection dimension of screw socket.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is a kind of view sub-anatomy of the present invention;
Fig. 3 is a kind of exploded perspective view of the present invention;
Fig. 4 is the present invention's one blast cutaway view;
In figure: 1, translucent cover, 2, head cap, 3, piston, 4, gas storehouse, 5, screw socket portion, 6, large lid, 7, the pump housing, 8, press section, 9, packing seal, 10, next door, 11, outgassing nonreturn valve, 12, breather check valve, 13, valve seat, 14, gas-liquid mixed room, 15, foam generates room, 16, mesh sheet, 17, flange, 18, foam generator, 19, gas bulkhead, 20, retaining wall, 21, limiting section, 22, Plug Division, 23, mesh sheet seat, 24, inlet channel, 25, air valve component, 26, slot, 27, foam outlet, 28, socket, 29, pore, 30, first connecting portion, 31, inserting groove, 32, through hole, 33, anti-back ring.
Detailed description of the invention
Below by specific embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment: a kind of foam pump (see accompanying drawing 1), mutually docked by two parts and be formed by connecting, a part is for for insert in bottle and to immerse the pump housing 7 of liquid, and another part is the foam generator 18 of the bottleneck be spirally connected, and foam generator upper end is equipped with translucent cover 1.
Foam generator have connect bottleneck screw socket portion 5, be in the gas storehouse 4 on the top in screw socket portion and be in the press section 8 on top, gas storehouse.Specifically see accompanying drawing 2.
Press section 8(is see accompanying drawing 3 accompanying drawing 4) comprise piston 3 and head cap 2, be stopper rod in the middle of piston, head cap is nested with in stopper rod upper end.Head cap has the foam outlet 27 of inclination, and the axis place of stopper rod has the passage be communicated with foam outlet 27.Stopper rod forms foam and generates room 15 in the upper end of passage, foam generates inside, room 15 and is fixed with mesh sheet seat 23, and in a tubular form, the closed at both ends of mesh sheet seat has mesh sheet 16 to mesh sheet seat 23, and two mesh sheet 16 are provided with mesh, and liquid is broken and form foam by mesh.The below that the middle part of stopper rod passage, foam generate room is gas-liquid mixed room 14.The periphery perisporium that the lower end position of stopper rod passage is provided with the first connecting portion 30, first connecting portion 30 offers symmetrical pore 29, and pore 29 is communicated with gas-liquid mixed room 14 and gas storehouse 4.Stopper rod has slot in the outer setting of gas-liquid mixed room, and make the outer wall of gas-liquid mixed room be column structure, the first connecting portion is connected to the lower end position of column.The outer wall vertical piston axis of slot extends to form piston, and the periphery of piston is the sealing surface structure of indent, and the position that piston departs from stopper rod is provided with the inlet channel 24 being axially communicated with side face of piston ring.The slot place of stopper rod is equipped with valve seat 13, valve seat 13 is a gyro-rotor of L shape, minor face on gyro-rotor L shape outwardly, valve seat 13 axis place shape is in the axis hole with stopper rod channel coaxial, the top of the column of valve seat 13 is provided with radial slot 26, slot 26 is communicated with outward in valve seat axis hole, and this slot is communicated with the pore 29 on the first connecting portion perisporium.The middle part of valve seat shaft hole inner wall is provided with location division, and the end of the first connecting portion 30 is boss structure, and when valve seat is nested with, boss coordinates with valve seat location division.The position of inwall below location division of the axis hole of valve seat is provided with the circle bulge loop to axis hole internal projection.After valve seat and piston are connected, between the outer wall of valve seat and piston middle part, the slot of valve seat, pore constitute the gas off-take in gas storehouse.The lower surface of piston is provided with axial inserting groove 31, air valve component 25 is plugged with in inserting groove 31, air valve component comprises Plug Division 22, breather check valve 12 and outgassing nonreturn valve 11, Plug Division is embedded in inserting groove for fixing, breather check valve is the film lobe be connected on the outer wall of Plug Division, and outgassing nonreturn valve is the film lobe be connected on the inwall of Plug Division.Breather check valve is used for the logical of the enterprising air flue 24 of control plunger or closes, and fits on end face that valve seat L shape minor face is rotarily formed for controlling the logical of gas off-take or closing as the film lobe of outgassing nonreturn valve.
Gas storehouse 4 is surrounded by gas bulkhead 19, the upper end of gas bulkhead 19 has the socket 28 coordinated with head cap 2 circumferential play, this gap is the entrance of gas storehouse air inlet, the inwall in the laminating gas storehouse, periphery of piston 3, gas bulkhead is provided with towards the flange 17 of inside, gas storehouse at the edge of socket, and structure is moved back in the resistance forming piston between flange and gas bulkhead.When piston moves up in gas storehouse, the edge of piston snaps onto this resistance and moves back in structure.
Screw socket portion 5 has the negative thread coordinated with bottleneck, the upper surface in screw socket portion is provided with the draw-in groove of annular, the bottom of gas bulkhead snaps onto in draw-in groove, and screw socket portion 5 is extended with retaining wall 20 towards the one end in gas storehouse 4, and after gas bulkhead 19 snaps onto draw-in groove, retaining wall 20 is in gas bulkhead outside.The outside face of retaining wall 20 is provided with a circle bulge loop, translucent cover is nested with after on press section, and the inwall of translucent cover is crossed this bulge loop and formed retaining.The outside in screw socket portion is hood-shaped large lid 6, and the opening direction of large lid 6 is identical with the screw-in direction in screw socket portion.Screw socket portion is provided with next door 10 towards the one end in gas storehouse, and the centre in next door 10 is provided with the through hole of walking for the pump housing.
The pump housing 7 adopts emulsion pumps, the proper site of the shell of emulsion pumps is provided with limiting section 21, after the pump housing 7 and foam generator 18 grafting, insertion is held from screw socket subordinate in the pump core upper end of the pump housing, successively through through hole, the gas storehouse in next door, finally be inserted in the axis hole of valve seat, the bulge loop of shaft hole inner wall and pump housing upper end are formed and seal, and the pump liquid outlet of the pump housing is connected with passage.Limiting section 21 and next door 10 fit, and the shell of the pump housing is equipped with packing seal 9, packing seal 9 is in the side of limiting section towards pump housing pump liquid entrance.
Press head cap 2 downwards, piston is thereupon descending, and in descending process, breather check valve closes inlet channel, and the pressure increase in gas storehouse opens outgassing nonreturn valve, makes gas off-take conducting, and compressed gas enters into gas-liquid mixed room at a high speed.The pump core work of the pump housing while this process, suck enough liquid, in the descending process of pump core, liquid enters at a high speed gas-liquid mixed room from the outlet of pump liquid and mixes with the compressed gas entered at a high speed, gas-liquid mixture enters in foam chamber through the mesh sheet of lower floor thereupon, mesh sheet is by gas-liquid mixture first time foamed, form more uniform compound, simultaneously under the promotion of compound below, continue through the mesh sheet on upper strata, complete second time foamed and form desirable foam, finally spray from foam outlet.Unclamp head cap, the resilience of pump core, piston rises, and form vacuum in gas storehouse, now outgassing nonreturn valve closes gas off-take, and breather check valve is opened, inlet channel conducting, and air enters gas storehouse again, and enters next working cycle.
Above-described embodiment is a kind of preferred version of the present invention, not does any pro forma restriction to the present invention, also has other variant and remodeling under the prerequisite not exceeding the technical scheme described in claim.
Claims (10)
1. a foam pump, comprise the pump housing (7) being inserted into and immersing liquid in bottle, characterized by further comprising foam generator (18), foam generator have connect bottleneck screw socket portion (5), be in the gas storehouse (4) on the top in screw socket portion and be in the press section (8) on top, gas storehouse;
The upper end of the pump housing penetrates from screw socket portion and passes gas storehouse and press section grafting, and the inner foam that is provided with at above position, the upper end of the pump housing in press section generates room (15), and foam generates the foam outlet (27) of connection press section, room;
The lower end of press section is piston (3), this piston is in also can with press section synchronizing moving in gas storehouse, piston be provided with inlet channel (24) and control air inlet by breather check valve (12), gas storehouse and foam generate and are provided with gas off-take between room and are controlled by outgassing nonreturn valve (11);
The pump housing and foam generator adopt the mode of grafting to assemble, and plugging position is provided with sealing arrangement.
2. foam pump according to claim 1, is characterized in that foam generator is provided with next door (10) between screw socket portion and gas storehouse, and the centre in this next door is provided with the through hole of walking for the pump housing; The proper site of the shell of the pump housing is provided with limiting section (21), and after the pump housing and foam generator grafting, limiting section and next door fit.
3. foam pump according to claim 2, the shell that it is characterized in that the pump housing is equipped with packing seal (9), and packing seal is in the side of limiting section towards pump housing pump liquid entrance; Packing seal is lined with between limiting section and next door.
4. foam pump according to claim 1, it is characterized in that press section is inner and be provided with gas-liquid mixed room (14) between foam generates room and the pump housing exports, gas-liquid mixed room is communicated with the gas off-take in gas storehouse, and unidirectional air outlet valve is placed in the gas off-take place in gas storehouse and controls the logical of this gas off-take or close.
5. the foam pump according to claim 1 or 2 or 3 or 4, it is characterized in that the inside of piston is provided with passage, the upper end of passage is that foam generates room, the lower end of passage is middle narrow meshed first connecting portion (30), the perisporium of the first connecting portion offers symmetrical pore (29), pore communicating passage and gas storehouse.
6. foam pump according to claim 5, it is characterized in that piston end surface place is provided with valve seat (13), the upper end of the pump housing to be inserted in valve seat and relative with the aperture of the first connecting portion, the top periphery of valve seat is provided with slot (26), slot communicates with pore formation gas off-take, and outgassing nonreturn valve seat is logical or close for unidirectional control gas off-take on valve seat.
7. foam pump according to claim 5, it is characterized in that breather check valve and outgassing nonreturn valve are structure as a whole and form air valve component (25), air valve component has the Plug Division (22) being embedded into piston axial end, breather check valve is the film lobe be connected on the outer wall of Plug Division, and outgassing nonreturn valve is the film lobe be connected on the inwall of Plug Division.
8. the foam pump according to claim 1 or 2 or 3 or 4, it is characterized in that the two ends of foam generation room are mesh sheet (16), supported by mesh sheet seat (23) between two mesh sheet, two mesh sheet are provided with mesh, and mesh beak up of liquids also forms foam.
9. the foam pump according to claim 1 or 2 or 3 or 4, it is characterized in that gas storehouse is surrounded by gas bulkhead, the outside in screw socket portion is hood-shaped large lid (6), the opening direction of large lid is identical with the screw-in direction in screw socket portion, screw socket portion is provided with annular draw-in groove towards the one end in gas storehouse, the end of gas bulkhead snaps onto in draw-in groove, and screw socket portion is extended with retaining wall (20) towards the one end in gas storehouse, and after gas bulkhead snaps onto draw-in groove, retaining wall is in gas bulkhead outside.
10. foam pump according to claim 9, it is characterized in that the top of press section is head cap, head cap and the mutual grafting of piston are also fixing, the upper end of gas bulkhead has the socket (28) coordinated with head cap circumferential play, gas bulkhead is provided with towards the flange of inside, gas storehouse (17) at the edge of socket, and structure is moved back in the resistance forming piston between flange and gas bulkhead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410362552.7A CN104210745B (en) | 2014-07-29 | 2014-07-29 | Foam pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410362552.7A CN104210745B (en) | 2014-07-29 | 2014-07-29 | Foam pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104210745A true CN104210745A (en) | 2014-12-17 |
| CN104210745B CN104210745B (en) | 2016-07-06 |
Family
ID=52092742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410362552.7A Active CN104210745B (en) | 2014-07-29 | 2014-07-29 | Foam pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN104210745B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104691928A (en) * | 2015-03-03 | 2015-06-10 | 梅元红 | Glass bead extrusion type foam pump and method for generating foam by foam pump |
| CN105346831A (en) * | 2015-10-21 | 2016-02-24 | 深圳市好年华模具有限公司 | Liquid soap bottle and forming mold thereof |
| CN108601399A (en) * | 2016-04-26 | 2018-09-28 | 深圳瀚星翔科技有限公司 | Priming device |
| CN110451072A (en) * | 2019-09-06 | 2019-11-15 | 浙江晟祺实业有限公司 | A kind of Novel cosmetic container |
| CN113401493A (en) * | 2021-06-24 | 2021-09-17 | 浙江优肯包装有限公司 | Foam pump |
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| US20080083783A1 (en) * | 2006-10-10 | 2008-04-10 | Continentalafa Dispensing Company | Rotating Dispenser Head with Locking and Venting Closure Connector for an Air Foaming Pump Dispenser |
| CN101370594A (en) * | 2006-01-17 | 2009-02-18 | 泰普勒斯特股份公司 | Device for the delivery of gas-liquid mixtures |
| CN201292924Y (en) * | 2008-11-06 | 2009-08-19 | 屠旭峰 | Foam pump |
| CN203997362U (en) * | 2014-07-29 | 2014-12-10 | 余姚市特力喷雾器有限公司 | Foam pump |
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| US6547162B1 (en) * | 1998-04-17 | 2003-04-15 | Keltub B.V. | Foam spraying device |
| KR100632932B1 (en) * | 2005-06-17 | 2006-10-13 | 최희진 | Foaming pump dispenser |
| JP2007137497A (en) * | 2005-11-21 | 2007-06-07 | Canyon Corp | Foam discharging type pump dispenser |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104691928A (en) * | 2015-03-03 | 2015-06-10 | 梅元红 | Glass bead extrusion type foam pump and method for generating foam by foam pump |
| CN105346831A (en) * | 2015-10-21 | 2016-02-24 | 深圳市好年华模具有限公司 | Liquid soap bottle and forming mold thereof |
| CN108601399A (en) * | 2016-04-26 | 2018-09-28 | 深圳瀚星翔科技有限公司 | Priming device |
| CN110451072A (en) * | 2019-09-06 | 2019-11-15 | 浙江晟祺实业有限公司 | A kind of Novel cosmetic container |
| CN110451072B (en) * | 2019-09-06 | 2024-03-12 | 浙江晟祺实业有限公司 | Novel cosmetic container |
| CN113401493A (en) * | 2021-06-24 | 2021-09-17 | 浙江优肯包装有限公司 | Foam pump |
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| Publication number | Publication date |
|---|---|
| CN104210745B (en) | 2016-07-06 |
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