CN1502012A - Hand operated pump for ejaculating small amount - Google Patents
Hand operated pump for ejaculating small amount Download PDFInfo
- Publication number
- CN1502012A CN1502012A CNA008199698A CN00819969A CN1502012A CN 1502012 A CN1502012 A CN 1502012A CN A008199698 A CNA008199698 A CN A008199698A CN 00819969 A CN00819969 A CN 00819969A CN 1502012 A CN1502012 A CN 1502012A
- Authority
- CN
- China
- Prior art keywords
- axle
- piston
- pump
- internal surface
- shell
- 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.)
- Granted
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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
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/14—Pumps characterised by muscle-power operation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The present invention relates to the manually operated pump for discharging small amount, of which the discharge rate is less than approximately 2 cc per one time, wherein the original function of the pump may be performed by means of just one spring by changing the structure of the shaft and the piston, the manufacturing process of the pump may be simplified by integrating the housing cap and the vessel cover and changing the structure of the cover to reduce the number of the constituent parts, the assembly process of the parts is simple, and the pumping is easier. And, it is an advantageous to improve the securing force between the housing and the cover and the sealing of the interior of the housing. Such a manually operated pump for discharging small amount is available in pumping both of the high viscous contents and low viscous contents.
Description
Technical field
The present invention relates to have hand pump improved internal structure, low dose of discharging.More specifically, the present invention relates to the axle by changing traditional hand pump and structure of piston, only use a spring to finish the hand pump of pumping function, the each emission index of this pump is lower than 0.2 milliliter, and in some cases, the hand pump of the low dose that provides discharging becomes integrated cover cap into special structure simultaneously by outer housing cover and cover cap are linked to be an integral body, thereby reduce the number of component parts, improve the function of pump and reduce manufacture cost.
Background technique
Low dose of discharging hand pump is approximately each 0.2 milliliter hand pump of a kind of emission index, and can be used for filling liquid or emulsion at container by aspirating quantitative discharging.This pump is widely used in cosmetics containers and the analog owing to its facility.
Fig. 1 is the representative example that shows traditional low dose discharging hand pump.Traditional pump comprises: cylinder blanket (20), the outer surface of formation pump; Axle (30) wherein has fluid passage; Cylindrical piston (40) is along the internal surface to-and-fro motion of shell (20); Outer housing cover (25), set casing (20) and cover cap (not shown) be the to-and-fro motion of leading axle (20) simultaneously; Conical axle bed (32) is fixed on the lower end of axle (30); Upper springs (52) places piston (40) upper end; Lower springs (54) is installed on the conical axle bed (32); Ball (60) places the bottom of shell (20); And manage (80), be fixed on the lower end of shell and analog.This pump wherein has spiral fluted cover cap (not shown) with utilization and is fixed on the container that has filled solution.
The elastic force of upper springs (52) is greater than lower springs (54), make when downward masterpiece is used on the axle (30), the lower springs (54) that cooperates with conical axle bed (32) is compressed, the lower ends downward of piston internal surface (42) moves, simultaneously because the expansionary force of upper springs (52), the lower end on surface (42) and the cooperation of the upper end bead (33) of conical axle bed (32).When the lower end of the outer surface (44) of piston arrives the bottom of the less shell (20) of diameter, piston (40) no longer moves downward, and axle (30) continues to move down, upper springs (52) is compressed simultaneously, makes the lower end of piston internal surface (42) separate with the upper end bead (33) of conical axle bed (32).At this moment, import the lower end of inward faces (42) and the interval between bead (33) upper end, pass inflow entrance (36) then and enter inner passage (38) at the solution of cylindrical body inner space (22) pressurized.
When elimination axle (30) was gone up downward power, axle (30) moved upward, and upper springs (52) is extended the interval between the upper end bead (33) of the lower end of closed piston internal surface (42) and conical axle bed (32) at once simultaneously.At this moment, because the expansionary force of upper end spring (54) when moving up, the pressure of cylindrical internal surface (22) reduces when axle (30), and for the reduction of supplementary pressure, and when the ball (60) of outer casing underpart when upwards rising, solution flows into by pipe (80).
This traditional pump needs two springs.Wherein, upper springs (52) places the top of piston (40) to make when spool (30) when moving up and down, piston (40) and conical axle bed (32) cooperate, therefore spring (52) makes solution in the cylindrical body inner space (22) at axle (30) pressurized when moving downward, and reduces pressure when moving upward at axle (30).
Described outer housing cover (25) makes the top of shell seal and axle (30) is fixed in the shell (20) when the to-and-fro motion of leading axle (30).
In this, upper springs (52) and outer housing cover (25) are that traditional low dose is discharged indispensable parts in the hand pump.Yet, in undersized hand pump, because the complexity of installing and operating a plurality of parts very likely causes mechanical failure and improves manufacture cost.
Consider in addition and use and outward appearance that for the pump that is installed in container top, because preferably it accounts for the as far as possible little volume of entire container, constituting the size of the parts of pump must be littler and need accurate structure, manufacture process is difficult.And the article that the Consumer requires are many more, and the number that constitutes the parts of pump trends towards increasing manyly more.Therefore, use pump during the probability of faulty operation because the increase of parts also becomes more and more.
Therefore, an object of the present invention is to solve these problems of conventional art.More specifically, the objective of the invention is,, do not need upper springs just can finish the original function of pump by changing the axle and the structure of piston of the approximately each 0.2 milliliter conventional manual pump of emission index.
In addition, further purpose of the present invention is: by integrated outer housing cover and cover cap etc., and change its structure so that these parts are finished further function, thereby reduce whole parts number, simplify manufacture process, reduce the probability of faulty operation and finish the improvement function further.
Summary of the invention
For reaching these purposes, the approximately each 0.2 milliliter low dose discharging hand pump of suction emission index of the present invention is characterised in that this pump comprises:
Cylinder blanket, the outer surface of formation pump; Axle, the conical axle bed that wherein has fluid passage and axle lower end is linked to be an integral body; Cylindrical piston is along the internal surface to-and-fro motion of shell; Outer housing cover, fixedly the shell in the cover cap guides the to-and-fro motion of described axle simultaneously; Spring is installed in the lower end of described conical axle bed; Ball places the lower end of shell; The pipe, be fixed on shell the lower end; And cover cap, wherein have spiral chute and described outer housing cover and analog and be fixed together;
Wherein, axle contact with the piston internal surface and the length of the appropriate section of adjacency is longer than the length of the internal surface of piston, and this part has relatively little diameter with in described internal surface slip; And
Described piston has dual structure, and abutment is on the piston and on the internal surface of abut outer surfaces at shell, and the frictional force between wherein said outer surface and the inner surface of outer cover is greater than the frictional force between described internal surface and the axle.
The difference of the frictional force between the frictional force between outer surface of piston and the inner surface of outer cover and the internal surface of piston and the axle is preferably by the different generations of area of contact.That is the area of outer surface of piston and inner surface of outer cover adjacency is greater than the area of its internal surface and axle adjacency.Under the material property situation identical with surface roughness, frictional force is owing to the difference of area of contact increases pro rata.
Be characterised in that according to this hand pump of the present invention, this pump only use one place ball and the axle lower end conical axle bed between spring, finish the function of the low dose discharging hand pump of two springs of traditional use, this is because this axle and structure of piston are different from above-mentioned traditional axle and structure of piston fully.
Preferable feature of the present invention is that outer housing cover and cover cap described in the low dose of discharging hand pump integrate.
More specifically, because have and the circumferential section that described axle is coaxial and the interior cylindrical curved section of circumferential groove, integrate with the upper end of described axle, the present invention does not require independent outer housing cover.In the to-and-fro motion of cylindrical curved section leading axle, and the inner space that replaces the effect of outer housing cover and sealing gasket to seal shell.
Hand pump of the present invention can be applicable to emission index and is lower than approximately each 0.2 milliliter, more preferably each 0.05 milliliter to 0.2 milliliter pump.Yet in some cases, even the emission index of pump departs from described scope a little, the present invention can comprise the scope of the pump of some discharging dosage.All can be used as the use of discharging solution such as the full-bodied like this emulsion of cosmetics washing lotion with such as the such low-viscosity (mobile) liquid of perfume.
The spray regime that a shape (bulk state) of small droplet and spray form all can be used as solution.Whether the difference of spray regime depends on nozzle and is fixed on the floss hole that solution outwards ejects from pump.If nozzle is fixed on the described floss hole, the solution of liquid kind sprays with regard to mist.
Below explanation illustrates in greater detail the present invention with reference to accompanying drawing, yet scope of the present invention is not thought limitation of the present invention.
Fig. 2 is to low dose discharging hand pump and the component part thereof of Fig. 6 demonstration according to the different examples of the present invention.Following with reference to description of drawings according to pump structure of the present invention and running principle.
With reference to Fig. 4, the upper end with axle (30) of inner passage (38) is fixed on the starter (10), and spring (50) is contained on the conical axle bed (32) of lower end of axle (30).When on starter (10), acting on and eliminating downward power, has dual structure, the piston (40) of comprise internal surface (42) and outer surface (44) is along the internal surface to-and-fro motion smoothly of shell (20).
The part of the axle (30) that the to-and-fro motion of piston internal surface is slipped over refers to the part between the upper end bead (33) of right angle step (34) and conical axle bed (32).The diameter of these parts is less than other parts.The length of piston internal surface (42) is compared relative shorter with described part.In these parts, the sliding parts (31) of axle refer to when downward power when starter (10) and the part of internal surface (42) adjacency of piston, make that the internal surface to piston provides frictional force in to-and-fro motion.
According to one embodiment of the present of invention, because the area of the sliding parts (31) of the internal surface (42) of piston and axle adjacency is less than the outer surface (44) of piston and the area of the abutment of shell, the frictional force of (44) is greater than piston internal surface (42) reciprocating frictional force in piston (40) on the outer surface of piston.
Therefore, when downward masterpiece is used in when being used to aspirate on the starter, axle (30) moves down, and sliding parts (31) at first slides along the internal surface (42) of the less relatively piston of frictional force.When the upper end of the internal surface (42) of piston arrives the right angle step (34) of axle (30), slip stops, in this process, separate with the upper end bead (33) of conical axle bed (32) lower end of internal surface (42), and the solution of cylindrical body inner space (22) passes inflow entrance (36) by the gap of separating and imports inner passage (38).
Next step, along with axle (30) continues to move downward, the outer surface of piston (44) slides along the internal surface of shell (20), when the outer surface (44) of piston arrive shell (20) stop step (24) time, slip stops.
In addition, finish when suction, act on the pressure of axle on (30) and eliminate, axle (30) begins to move upward, this moment frictional force also the internal surface of less relatively piston (42) slide earlier than the outer surface (44) of piston.Therefore, the upper end bead (33) of the conical axle bed (32) by axle (30) cooperates with the lower end of the internal surface (42) of piston, intercepts the inner passage (38) of cylindrical inner space (22) and axle (30).Then, in the process that axle (30) continues to move upward, the outer surface of piston (44) slippage, the pressure of the inner space of containment cylinder (22) continues to reduce.Reduce for replenishing this pressure, ball (60) a little upwards rises, and blocks the lower curtate of shell with gravity, and the solution in the container imports inner space (22) by pipe (80) at interval by this.
Fig. 3 shows that wherein, interior cylindrical curved section (72) comprising according to the vertical sectional view of the cover cap of the another example of the present invention: first circumferential section (76), and its horizontal component from cover cap (70) (74) extends downwards; Second circumferential section (78) separates with first circumferential section (76) on the direction of central shaft; And attachment portion (77), it interconnects the lower end of the circumferential section of winning (76) and the lower end of second circumferential section (78), and forms circumferential groove (79) at its top.
Attachment portion (77) preferred construction is to be close to piston (40), owing to do not having downward masterpiece to be used for that attachment portion (77) cooperates with piston (40) under the state of starter (10), and the inside of obstruct shell (20) and the outside of shell.
The upper end of shell (20) is fixed on the space that is made of vertical component in the internal structure of cover cap (70) (73) and first circumferential section (76), because the bending force of the warp architecture of cylindrical curved section (72), retention force is improved.More specifically, second circumferential section (78) by with axle (30) adjacency, extrusion interior cylindrical curved section (72), the reaction force of this pressure-display for being caused by circumferential groove (79) etc. especially herein, this elastic reactance have been strengthened the retention force between the internal structure of the upper end of shell (20) and cover cap (70).
Fig. 4 to Fig. 6 has shown the various examples with two characteristics of the present invention.
Fig. 4 is an example that shows according to pump of the present invention (200), and total is except cover cap (70) and interior cylindrical curved section (72) integrate, and is identical with the pump (100) of Fig. 2.Compared to Figure 1 as seen, interior cylindrical curved section (72) is finished the function of outer housing cover (25), but not has outer housing cover (25).In assembly process, as long as the assembling of shell (20) and cover cap (70) can be finished in the top that cover cap (70) is installed to shell (20), so assembly process is very simple.
Fig. 5 is an example that shows according to pump of the present invention (300), and is the floss hole (12) that this structure is fixed on starter (10) except discharge nozzle (16) is gone up, identical with Fig. 4.
Fig. 6 is an example that shows according to pump of the present invention (400), and this structure is except nozzle (14) is fixed in the floss hole (12) of starter (10), and is identical with Fig. 4.Although the pump (200,300) of the overall structure of the pump of Fig. 6 (400) and Fig. 4 and Fig. 5 is identical, pump (400) might spray the low-viscosity (mobile) liquid that comprises little water droplet by the nozzle (14) that is installed in the floss hole (12).
More than describe the present invention, obviously the present invention can have multiple mode to change, and these variations are not considered to break away from the spirit and scope of the present invention, and all such changes are conspicuous for the personnel of art technology.
The accompanying drawing summary
Fig. 1 is the vertical sectional view that representative traditional low dose is discharged hand pump;
Fig. 2 is the vertical perspective view according to the cross section of the low dose discharging hand pump (100) of one embodiment of the invention;
Fig. 3 is the vertical sectional view according to the closure for container that integrates with the interior cylindrical curved section of the embodiment of the invention;
Fig. 4 is the vertical sectional view according to low dose of discharging hand pump of the present invention (200);
Fig. 5 is the vertical sectional view of low dose of discharging hand pump (300), and its discharge nozzle is fixed in as shown in Figure 4 the floss hole; And
Fig. 6 is the vertical sectional view of low dose of discharging hand pump (400), and its nozzle is fixed in the floss hole.
The reference number title
10 starters, 12 floss holes
14 nozzles, 16 discharge nozzles
20 shells, 22 cylindrical body inner spaces
22 stop 30 on step
31 sliding partss, 32 conical axle beds
33 upper end beads, 38 inner passages
The internal surface of 40 pistons, 42 pistons
52 upper springs, 54 lower springs
The cover cap of 60 balls, 70 containers
72 interior cylindrical curved sections, 73 vertical components
74 horizontal components, 76 first circumferential sections
77 attachment portions, 78 second circumferential sections
79 circumferential grooves, 80 pipes
Industrial applicibility
The low dose of discharging of the present invention hand pump is characterised in that: by changing traditional manual pump The structure of axle and piston, only use a spring to finish the original function of pump; Outside inciting somebody to action Cap and closure for container are linked to be the number that an integral body reduces parts, can simplify the manufacturing of pump Journey; The assembling process of parts is simple, is easier to suction. And, advantageously improve shell and Bed knife between the cover cap and the sealing property of enclosure. This low dose discharging manual pump Both can be used for aspirating full-bodied solution and also can be used for low viscosity solution. In some cases, In traditional pump structure, closure for container can replace casing cover to use reliably.
Claims (7)
1. a low dose of discharging hand pump aspirates approximately each 0.2 milliliter of emission index, it is characterized in that this pump comprises:
Cylinder blanket, the outer surface of formation pump; Axle wherein has fluid passage, integrates with the conical axle bed of its low side; Cylindrical piston is along the internal surface to-and-fro motion of shell; Outer housing cover, the fixedly to-and-fro motion of leading axle simultaneously of the shell in the cover cap; Spring is installed in the lower end of described conical axle bed; Ball places the bottom of shell; Manage, be fixed on the lower end of shell and analog; And cover cap, be fixed in outer housing cover and the analog, wherein have spiral chute;
Axle is in piston internal surface contact and the length of the appropriate section of adjacency is longer than the length of the internal surface of piston, and this part has relatively little diameter with in described internal surface slip; And
Described piston has dual structure, and abutment is on the piston and on the internal surface of abut outer surfaces at shell, and the frictional force between wherein said outer surface and the inner surface of outer cover is greater than the frictional force between described internal surface and the axle.
2. low dose of discharging hand pump as claimed in claim 1, it is characterized in that, the difference of the frictional force between the frictional force between outer surface of piston and the inner surface of outer cover and the internal surface of piston and the axle is by the different generations of area of contact, and wherein the area of outer surface of piston and inner surface of outer cover adjacency is greater than the area of its internal surface and axle adjacency.
3. low dose of discharging hand pump as claimed in claim 1 or 2 is characterized in that, the interior cylindrical curved section has and coaxial circumferential section and the circumferential groove of described axle, integrates with the upper end of described axle, and does not require independent outer housing cover.
4. low dose of discharging hand pump as claimed in claim 3 is characterized in that the interior cylindrical curved section comprises: first circumferential section, extend downwards from the horizontal component of cover cap; Second circumferential section separates with first circumference on the direction of central shaft; And the attachment portion, the low side of the circumferential section of winning and the low side of second circumferential section are interconnected, and form circumferential groove at its top.
5. low dose of discharging hand pump as claimed in claim 1 is characterized in that emission index is between each 0.05 to 0.2 milliliter.
6. low dose of discharging hand pump as claimed in claim 1 is characterized in that discharging solution is high viscosity emulsion or low-viscosity (mobile) liquid.
7. low dose of discharging hand pump as claimed in claim 1 is characterized in that nozzle is fixed in the floss hole, and solution outwards sprays from pump from this, and therefore liquid solution is the mist injection.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/KR2000/001178 WO2002033258A1 (en) | 2000-10-19 | 2000-10-19 | Hand operated pump for ejaculating small amount |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1502012A true CN1502012A (en) | 2004-06-02 |
| CN1258647C CN1258647C (en) | 2006-06-07 |
Family
ID=19198290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00819969.8A Expired - Fee Related CN1258647C (en) | 2000-10-19 | 2000-10-19 | Hand operated pump for ejaculating small amount |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1334277A4 (en) |
| JP (1) | JP2004511725A (en) |
| CN (1) | CN1258647C (en) |
| AU (1) | AU2001210592A1 (en) |
| WO (1) | WO2002033258A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100486503C (en) * | 2006-11-13 | 2009-05-13 | 姚凡 | Finger controlled insufflation type cooking oil and flovoring bottle |
| CN102366756A (en) * | 2011-09-21 | 2012-03-07 | 浙江国裕资源再生利用科技有限公司 | Method for recycling papermaking waste residues |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7055721B2 (en) | 2001-03-23 | 2006-06-06 | Chong Woo Co., Ltd. | Finger-operated spray pump ejaculating fluid in fixed quantity |
| KR100995652B1 (en) | 2003-08-28 | 2010-11-22 | 주식회사 종우실업 | Low profile, fine mist, finger-operated, precompression-type spray pump |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1728220A1 (en) * | 1968-09-12 | 1972-03-23 | Zeller Plastik Koehn Graebner | Closure with conveyor and dispensing device for liquids |
| US4063854A (en) * | 1976-06-01 | 1977-12-20 | Vca Corporation | Spray pump assembly |
| JPS60166769A (en) * | 1984-02-10 | 1985-08-30 | Canyon Corp | Pump mechanism for dispenser |
| JPS60173373A (en) * | 1984-02-20 | 1985-09-06 | Canyon Corp | Hand-operating type dispenser |
| JPS60184977A (en) * | 1984-03-05 | 1985-09-20 | Canyon Corp | Manual dispenser |
| FR2576365B1 (en) * | 1985-01-23 | 1989-06-16 | Sofab | HAND VAPORIZER PUMP |
| JP2738170B2 (en) * | 1991-07-11 | 1998-04-08 | 日新電機株式会社 | Controller for switchgear |
| JP3163776B2 (en) * | 1992-08-25 | 2001-05-08 | 東洋製罐株式会社 | pump |
| IT1292958B1 (en) * | 1997-02-28 | 1999-02-11 | Taplast Spa | IMPROVEMENT BY DOSING PUMP FOR THE DISPENSING OF LIQUID OR DENSE SUBSTANCES FROM CONTAINERS. |
| FR2791400B1 (en) * | 1999-03-22 | 2002-04-26 | Sofab | RESPIRATION PUMP |
-
2000
- 2000-10-19 WO PCT/KR2000/001178 patent/WO2002033258A1/en active Application Filing
- 2000-10-19 AU AU2001210592A patent/AU2001210592A1/en not_active Abandoned
- 2000-10-19 EP EP00971843A patent/EP1334277A4/en not_active Withdrawn
- 2000-10-19 JP JP2002536214A patent/JP2004511725A/en active Pending
- 2000-10-19 CN CN00819969.8A patent/CN1258647C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100486503C (en) * | 2006-11-13 | 2009-05-13 | 姚凡 | Finger controlled insufflation type cooking oil and flovoring bottle |
| CN102366756A (en) * | 2011-09-21 | 2012-03-07 | 浙江国裕资源再生利用科技有限公司 | Method for recycling papermaking waste residues |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1334277A4 (en) | 2005-07-13 |
| WO2002033258A1 (en) | 2002-04-25 |
| JP2004511725A (en) | 2004-04-15 |
| AU2001210592A1 (en) | 2002-04-29 |
| EP1334277A1 (en) | 2003-08-13 |
| CN1258647C (en) | 2006-06-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| 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 | ||
| C56 | Change in the name or address of the patentee |
Owner name: (STRAIN) ZHONG YU INDUSTRIAL Free format text: FORMER NAME OR ADDRESS: (CORPORATION)ZHONGYU INDUSTRY |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Inchon Patentee after: Chong Woo Co., Ltd. Address before: Inchon Patentee before: Chong In Industry Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060607 Termination date: 20091119 |