CN201292924Y - Foam pump - Google Patents

Foam pump Download PDF

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Publication number
CN201292924Y
CN201292924Y CNU2008201670068U CN200820167006U CN201292924Y CN 201292924 Y CN201292924 Y CN 201292924Y CN U2008201670068 U CNU2008201670068 U CN U2008201670068U CN 200820167006 U CN200820167006 U CN 200820167006U CN 201292924 Y CN201292924 Y CN 201292924Y
Authority
CN
China
Prior art keywords
piston
big
piston rod
foam
pump housing
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.)
Expired - Lifetime
Application number
CNU2008201670068U
Other languages
Chinese (zh)
Inventor
屠旭峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang JM Industry Co Ltd
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CNU2008201670068U priority Critical patent/CN201292924Y/en
Priority to US12/535,680 priority patent/US20100111735A1/en
Application granted granted Critical
Publication of CN201292924Y publication Critical patent/CN201292924Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/12—Valves; Arrangement of valves arranged in or on pistons
    • F04B53/125—Reciprocating valves
    • F04B53/126—Ball valves
    • 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
    • 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
    • B05B11/1087—Combination of liquid and air pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/12—Valves; Arrangement of valves arranged in or on pistons
    • F04B53/125—Reciprocating valves
    • F04B53/127—Disc valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/0018—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam
    • B05B7/0025—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply
    • B05B7/0031—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply with disturbing means promoting mixing, e.g. balls, crowns
    • B05B7/0037—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply with disturbing means promoting mixing, e.g. balls, crowns including sieves, porous members or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Closures For Containers (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

A foam pump comprises a pump body (1), a big cover (2), a big piston (3), a small piston (4), a piston rod (5), a head cap (6) and a foam screen (7). The foam pump is characterized in that the pump body (1) and the big cover (2) are integrated by molding in one step; the head cap (6) and the big piston (3) are integrated by molding in one step; a sealing ring (9) made of elastic material is arranged between the big piston (3) and the inner wall of the pump body (1) for sealing; as the pump body and big cover are integrated by molding in one step, the volume of an air chamber, and the working pressure and the foaming effect of the foam pump are increased under the condition that the big cover has the same size; furthermore, as the head cap and big piston are integrated by molding in one step, and the sealing ring (9) made of elastic material is arranged between the big piston and the inner wall of the pump body for sealing, the structure of the big piston is simplified; and as the pump body can be utilized as the piston rod of the big piston, the piston rod is unnecessary, the structure of the foam pump is further simplified, and the internal structure of the foam pump is more compact.

Description

A kind of foam pump
Technical field
The utility model relates to a kind of foam pump.
Background technique
The screw socket of existing foam pump is bigger, volume is also bigger, for example claimant's publication number of obtaining the authorization on June 18th, 2008 is: (patent No. is CN 201073625: Chinese patent CN200720113219.8), just announced a kind of foam pump, it includes the pump housing, big piston, the big piston bar, small piston, small piston rod, head cap, foam screen, it is characterized in that being provided with in the described big piston bar one-way valve that is communicated with the big piston gas cavity, and, the valve block that is sleeve-shaped that the one-way valve main body adopts elastic material to make, valve block has on the fixed base that step surface is installed in the big piston bar, and, the conical seal (contact) face that the valve block upper end adopts diameter to increase gradually, carry out fitted seal with the intercommunicating pore on the big piston bar, intercommunicating pore is communicated with gas-liquid mixed cavity and big piston gas cavity in the big piston bar.The foam pump of this structure, the big lid and the pump housing are made respectively as separate part, and it is too little that screw socket can not be made, and volume is also bigger.In addition, spring is arranged on outside the small piston rod, in the big piston bar, contacts with liquid easily during spring work, makes liquid be subjected to the secondary pollution possibility bigger.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of structure foam pump of compact and reasonable, foamed effect more at above-mentioned prior art present situation, and it has the effective advantage of unidirectional air inlet equally.
The utility model solves the problems of the technologies described above the technological scheme that is adopted: a kind of foam pump, and it includes the pump housing, Da Gai, big piston, small piston, piston rod, head cap, foam screen; The one-way valve that is communicated with pump housing gas cavity is set in the described piston rod, and, the valve block that is sleeve-shaped that the one-way valve main body adopts elastic material to make, valve block has on the fixed base that step surface is installed in piston rod, and, the conical seal (contact) face that valve block upper end adopts diameter to increase gradually carries out fitted seal with intercommunicating pore on the piston rod, and intercommunicating pore is communicated with gas-liquid mixed cavity and gas cavity in the piston rod; Described piston rod links to each other with described headgear is inner; It is characterized in that: the described pump housing and described big lid once-through form integral piece, and described head cap and described big piston once-through form integral piece; Be provided with the seal ring sealing of elastic material between big piston and the pump housing inwall.
As improvement, above-mentioned described covering greatly has and the extraneous pore that communicates, and this pore communicates in the external world by the breather cheek valve of being located in the big lid.Be convenient to air like this and enter in the sprayer that is threaded with big lid, extruding liquid improves foamed effect.
Above-mentioned formation one annular groove on the side face of big piston, described seal ring just is contained in this groove, and the following inboard of groove is provided with and the extraneous suction port that communicates.Can realize that by this structure outer bound pair gas cavity carries out tonifying Qi.
Further improve, the bottom in the above-mentioned pump housing molds the circular groove that the cross section takes the shape of the letter U, and the piston rod middle part has convex shoulder, is provided with a spring at this upper cover of piston rod, and this spring is supported between circular groove and the convex shoulder.Effectively make spring follow liquid to isolate, guaranteed that liquid is not subjected to secondary pollution, makes product much cleaner.
Above-mentioned pump housing outside also is arranged with a housing, big piston on the described head cap is positioned at housing and big piston is carried out upper limit simultaneously, it is running fit with respect to the part of the pump housing between housing and the headgear, is convenient to air inlet so that gas cavity is replenished air.
Compared with prior art, advantage of the present utility model is: it forms integral piece with the pump housing and the once-through of big lid, can increase the volume of air cavity under the big lid situation of identical size like this, promptly strengthen the working pressure of foam pump, and then improved the foamed effect of foam pump; Also have it that head cap and described big piston once-through are formed integral piece, be provided with the seal ring sealing of elastic material between big piston and the pump housing inwall, simplified the structure of big piston, the pump housing itself can be used as the piston rod use of big piston simultaneously, need not to be provided with separately piston rod, further simplified the foam pump structure, made the structure of foam pump inside compact more.
Description of drawings
Fig. 1 is the utility model embodiment's a structure sectional view (normal state);
Fig. 2 is the utility model embodiment's a structure sectional view (squeezed state);
Fig. 3 is the utility model embodiment's a three-dimensional exploded view.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Shown in Fig. 1～3, be a preferred embodiment of the present utility model.
A kind of foam pump, critical pieces such as it includes the pump housing 1, cover 2 greatly, big piston 3, small piston 4, piston rod 5, spring 13, head cap 6, foam screen 7, its middle pump body 1 and 2 once-throughs of big lid are integral the part structure, be that top is with respect to the effect of original patent middle pump body, the bottom is equivalent to big lid effect in original patent, the following inner screw socket diameter that forms of big lid 2 is the interior threaded hole 22 of 24～25mm, the pump housing 1 lower end is a suction pipe 15, the inside above suction pipe 15, steel ball 16 is installed, has formed one-way valve.
Head cap 6 forms integral piece with big piston 3 once-throughs, be provided with seal ring 9 sealings of elastic material between big piston 3 and the pump housing 1 inwall, promptly on the side face of big piston 3, form an annular groove 31, described seal ring 9 just is contained in this groove 31, the following inboard of groove 31 is provided with and the extraneous suction port 32 that communicates, effect by suction port 32 on seal ring 9 and the circular groove 31 forms the effect of one-way valve.
The pump housing 1 outside also is arranged with a housing 14, and the big piston 3 on the described head cap 6 is positioned at housing 14 and big piston 3 is carried out upper limit simultaneously, and it is running fit with respect to the part of the pump housing 1 between housing 14 and the headgear 6, is convenient to air inlet.On housing 14, also be arranged with transparent cover 23.
Bottom in the pump housing 1 molds the circular groove 12 that the cross section takes the shape of the letter U, and piston rod 5 middle parts have convex shoulder 53, are arranged with a spring 13 on this piston rod 5, and this spring 13 is supported on circular groove 12 and convex shoulder 53.
Socket connection small piston pedestal 18 in the piston rod 5 lower end through holes, small piston pedestal 18 middle parts are with small piston 4 slidably, small piston 4 adopts the bivalve membrane structure, the big valve lower end surface of the inside cooperates with the circular groove 181 on the small piston seat 18, cooperate for the ease of butt joint, circular groove 181 edges have the conical surface.Small piston pedestal 18 surface formings have the shallow slot 182 that following liquid container 19 is communicated with top gas-liquid mixed chamber 52.
11 of gas-liquid mixed cavity 52 and pump housing gas cavity also are provided with one-way valve in the piston rod 5, and, the one-way valve main body adopts the valve block 8 that is sleeve-shaped, make as silica gel with elastic material, valve block 8 has step surface, pass through step surface, be installed on the piston rod 8, and, the conical seal (contact) face diameter of valve block 8 upper ends is to increase gradually, and intercommunicating pore 51 is arranged on valve block conical seal (contact) face sidepiece, and number can be one or more, a plurality of intercommunicating pores 51 are to present circumference evenly to distribute, and are communicated with gas-liquid mixed cavity 52 and gas cavity 11 in the piston rod.Like this, the conical seal (contact) face of valve block 8 upper ends just with piston rod on intercommunicating pore 51 carry out fitted seal, constituted one-way valve structures.
Foam screen 7 spacing middle and upper parts in piston rod 5 can be the Chinese utility model patent of CN200720113219.8 referring to the patent No. specifically.
Head cap 6 is enclosed within on the piston rod 5, and head cap 6 lower ends are plugged in the pump housing 1 telescopicly, then, is connected with the shell whorl of bottleneck of sprayer again, forms the packaging container of band foam pump.
Its working principle and using process are such.
When hand is pressed head cap 6, driving piston rod 5 moves downward, because, the seal ring effect of big piston 3 sidepieces, gas cavity 11 in the pump housing 1 is isolated from the outside, be in sealing state, simultaneously, under piston rod 5 promotes, make big piston 3 pressurized gas cavitys 11 with piston rod 5 integrative-structures, its air pressure increases, gas in the gas cavity 11 just by the intercommunicating pore 51 on the piston rod 5, is pushed the gas-liquid mixed cavity 52 that valve block 8 enters into piston rod open, drives gas-liquid mixture, in foam screen 7 and head cap 6, foam, from the spout foam hole of head cap 6, spray; Piston rod 5 continues to overcome the elasticity strength of spring 13, promote small piston 4 motions downwards, because, resistance between small piston 4 and the pump housing 1 inwall, it is lost motion that small piston 4 has just begun, and between the small piston seat 18 slide relative takes place, circular groove on small piston 4 lower ends and the small piston seat 18 can't form contact seal, and, small piston 4 moves downward, and liquid cavity 19 pressure in the pump housing 1 are increased, and steel ball 16 seals up suction pipe 15, following liquid can't be entered, and the liquid in the liquid cavity 19 passes through the shallow slot 181 on small piston seat 18 surfaces under air-flow drives, and enters into the gas-liquid mixed cavity 52 of piston rod 5, and the gas of coming with gas cavity 11 mixes, form gas-liquid mixture, for prepare next time.
In the time of openhanded beginning cap 6, piston rod 5 moves upward under the effect of spring 13, driving piston rod 5 moves upward, resistance between small piston 4 and the pump housing 1 inwall, it is lost motion that small piston 4 has just begun, and between the small piston seat 18 slide relative takes place, circular groove on small piston 4 lower ends and the small piston seat 18 forms contact seal once more, and, small piston 4 moves upward, make liquid cavity 19 volumes in the pump housing become big, pressure reduces, steel ball 16 can't seal up suction pipe 15, ambient air is by the inlet hole 21 on the big lid 2 simultaneously, liquid to sprayer is exerted pressure, make following liquid enter into liquid cavity 19, and the liquid in the liquid cavity 19 can't be by the shallow slot 181 on small piston seat 18 surfaces, enter into the gas-liquid mixed cavity 52 of piston rod 5, under piston rod 5 drives, big piston 3 also moves upward, because the hysteresis of seal ring 9 is moved, and makes ambient atmos carry out tonifying Qi by 32 pairs of gas cavity of suction port 11 again by the gap of seal ring 9 and groove 31, for prepare next time; Do action just produces the spraying action successively.

Claims (5)

1, a kind of foam pump, it includes the pump housing (1), big lid (2), big piston (3), small piston (4), piston rod (5), head cap (6), foam screen (7); The one-way valve that is communicated with pump housing gas cavity (11) is set in the described piston rod (5), and, the valve block that is sleeve-shaped (8) that the one-way valve main body adopts elastic material to make, valve block (8) has step surface and is installed in the piston rod (5), and, the conical seal (contact) face that valve block (8) upper end adopts diameter to increase gradually carries out fitted seal with intercommunicating pore (51) on the piston rod (5), and intercommunicating pore (51) is communicated with gas-liquid mixed cavity (52) and described gas cavity (11) in the piston rod; Described piston rod (5) links to each other with described headgear (6) is inner; It is characterized in that: the described pump housing (1) forms integral piece with described big lid (2) once-through, and described head cap (6) forms integral piece with described big piston (3) once-through; Be provided with seal ring (9) sealing of elastic material between big piston (3) and the pump housing (1) inwall.
2, foam pump according to claim 1 is characterized in that: have on the described big lid (2) and the extraneous pore (21) that communicates, this pore (21) communicates in the external world by the breather cheek valve of being located in the big lid (2) (10).
3, foam pump according to claim 1, it is characterized in that: the described annular groove (31) that on the side face of big piston (3), forms, described seal ring (9) just is contained in this groove (31), and the following inboard of groove (31) is provided with and the extraneous suction port (32) that communicates.
4, foam pump according to claim 1, it is characterized in that: the bottom in the described pump housing (1) molds the circular groove (12) that the cross section takes the shape of the letter U, piston rod (5) middle part has convex shoulder (53), be arranged with a spring (13) on this piston rod (5), this spring (13) is supported between circular groove (12) and the convex shoulder (53).
5, foam pump according to claim 1, it is characterized in that: the described pump housing (1) outside also is arranged with a housing (14), big piston (3) on the described head cap is positioned at housing (14) and big piston (3) is carried out upper limit simultaneously, is running fit between housing (14) and the headgear (6).
CNU2008201670068U 2008-11-06 2008-11-06 Foam pump Expired - Lifetime CN201292924Y (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CNU2008201670068U CN201292924Y (en) 2008-11-06 2008-11-06 Foam pump
US12/535,680 US20100111735A1 (en) 2008-11-06 2009-08-05 Foam Pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008201670068U CN201292924Y (en) 2008-11-06 2008-11-06 Foam pump

Publications (1)

Publication Number Publication Date
CN201292924Y true CN201292924Y (en) 2009-08-19

Family

ID=41006401

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008201670068U Expired - Lifetime CN201292924Y (en) 2008-11-06 2008-11-06 Foam pump

Country Status (2)

Country Link
US (1) US20100111735A1 (en)
CN (1) CN201292924Y (en)

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CN101875034A (en) * 2010-07-02 2010-11-03 黄建壮 Improved structure of hand-buckling minitype atomizer and using method thereof
CN103118797A (en) * 2010-06-15 2013-05-22 布莱特维尔分配器有限公司 Foam pump
CN104210745A (en) * 2014-07-29 2014-12-17 余姚市特力喷雾器有限公司 Foam pump
WO2018210160A1 (en) * 2017-05-19 2018-11-22 钟竞铮 Foam pump sprayer
CN112253053A (en) * 2020-11-02 2021-01-22 东北石油大学 Foaming device and oil recovery lifting devices

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US8733596B2 (en) 2009-02-27 2014-05-27 Gotohti.Com Inc. Ozone foam dispenser
US20140217123A1 (en) * 2009-02-27 2014-08-07 Gotohti.Com Inc. Outer Bore Pump
GB2484093B (en) * 2010-09-29 2012-09-05 Derxin Shanghai Cosmetics Co Ltd Spray head assembly
US8561919B2 (en) * 2010-10-04 2013-10-22 Derxin (Shanghai) Cosmetics Co., Ltd. Foam spray head assembly
GB2491576A (en) * 2011-06-03 2012-12-12 Ya-Tsan Wang A push-type dispenser nozzle with the spring located outside the fluid path
JP5891563B2 (en) * 2012-02-29 2016-03-23 株式会社吉野工業所 Foam dispenser
JP5996216B2 (en) * 2012-02-29 2016-09-21 株式会社吉野工業所 Foam dispenser
CN104853995B (en) 2012-12-20 2017-06-09 里克公司 Foam dispenser with reversal valve
JP6482386B2 (en) * 2015-05-29 2019-03-13 株式会社吉野工業所 Foam dispenser
KR20190142046A (en) * 2018-06-15 2019-12-26 양형택 Pump type liquid airtight container
CN111547367B (en) * 2020-04-27 2024-06-25 中山市联昌喷雾泵有限公司 Foam pump
JP7433726B2 (en) * 2020-06-30 2024-02-20 株式会社吉野工業所 Foam jetting pump container and foam jetting pump
US20220192877A1 (en) * 2020-12-22 2022-06-23 Johnson & Johnson Surgical Vision, Inc. Reducing irrigation/aspiration valve response time in a phacoemulsification system
WO2023092461A1 (en) * 2021-11-26 2023-06-01 佛山市长拓包装科技有限公司 Pump body structure and foam pump
CN114056749A (en) * 2021-11-26 2022-02-18 佛山市长拓包装科技有限公司 Pump body structure and foam pump

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103118797A (en) * 2010-06-15 2013-05-22 布莱特维尔分配器有限公司 Foam pump
CN103118797B (en) * 2010-06-15 2016-04-27 布莱特维尔分配器有限公司 Foam pump
CN101875034A (en) * 2010-07-02 2010-11-03 黄建壮 Improved structure of hand-buckling minitype atomizer and using method thereof
CN101875034B (en) * 2010-07-02 2011-12-28 黄建壮 Improved structure of hand-buckling minitype atomizer and using method thereof
CN104210745A (en) * 2014-07-29 2014-12-17 余姚市特力喷雾器有限公司 Foam pump
WO2018210160A1 (en) * 2017-05-19 2018-11-22 钟竞铮 Foam pump sprayer
US11110473B2 (en) 2017-05-19 2021-09-07 King Tsang Chung Foam pump sprayer
CN112253053A (en) * 2020-11-02 2021-01-22 东北石油大学 Foaming device and oil recovery lifting devices

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Zhejiang JM Industry Co., Ltd.

Assignor: Tu Xufeng

Contract record no.: 2011330000281

Denomination of utility model: Outlet connecting pipe of foam pump

Granted publication date: 20090819

License type: Exclusive License

Record date: 20110413

ASS Succession or assignment of patent right

Owner name: ZHEJIANG JM INDUSTRY CO., LTD.

Free format text: FORMER OWNER: TU XUFENG

Effective date: 20110616

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

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