CN101242768A - Exhaust structure of vacuum cleaner - Google Patents
Exhaust structure of vacuum cleaner Download PDFInfo
- Publication number
- CN101242768A CN101242768A CNA2006800300616A CN200680030061A CN101242768A CN 101242768 A CN101242768 A CN 101242768A CN A2006800300616 A CNA2006800300616 A CN A2006800300616A CN 200680030061 A CN200680030061 A CN 200680030061A CN 101242768 A CN101242768 A CN 101242768A
- Authority
- CN
- China
- Prior art keywords
- main body
- vacuum cleaner
- discharge port
- dust arrester
- discharge
- 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.)
- Pending
Links
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
- A47L5/225—Convertible suction cleaners, i.e. convertible between different types thereof, e.g. from upright suction cleaners to sledge-type suction cleaners
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
- A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
- A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
- A47L9/1683—Dust collecting chambers; Dust collecting receptacles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filters For Electric Vacuum Cleaners (AREA)
- Electric Suction Cleaners (AREA)
Abstract
Disclosed herein is an exhaust structure of a vacuum cleaner. The exhaust structure of the vacuum cleaner comprises a main body 10 having a suction port 12 and a discharge port 14 formed thereon, a suction fan 62 positioned inside the discharge port 14, a dust container 50 mounted at one side of a flow passage between the suction port 12 and the discharge port 14 and having a suction opening 52 and an exhaust opening 54 formed at one side thereof, and an exhaust conduit 82 extending between the exhaust opening 54 and the discharge port 14. The exhaust structure prevents reduction in vacuum force by air leakage resulting from inclination of a dust container towards one side, and permits reduction in use of a sealing material.
Description
Technical field
The present invention relates to vacuum cleaner, and more especially, the discharge structure that relates to vacuum cleaner, it comprises suction and the exhaust openings that is formed on dust arrester one side, with the delivery pipe that is positioned at the dust arrester outside, thereby prevent dust arrester because of pressure to lopsidedness, make air and impurity be inhaled into the main body of vacuum cleaner.
Background technology
Usually, posture during according to shape and use, vacuum cleaner can be divided into canister type vacuum cleaner and upright type vacuum cleaner, canister type vacuum cleaner is convenient to be cleaned in the corner and moves, be easy to change brush or suction nozzle simultaneously, upright type vacuum cleaner is convenient to maintenance, and is easy to clean big space.
Fig. 1 is the perspective view of illustrating conventional upright type vacuum cleaner.
Conventional upright type vacuum cleaner comprises that suction contains the pump unit 2 of the air of impurity, the main body 4 that is installed in pump unit 2 upsides and handle 6 on the ground, main body 4 comprises the aspirator that is used for suction air within it, and handle 6 is installed in the upside of main body 4 so that user's grasping.
When the operation vacuum cleaner, pump unit 2 aspirates the air that comprises dust and impurity by the collection opening that is formed on its downside, moves on the ground that will be cleaned simultaneously.
Main body 4 is provided with the aspirator that is used for coming by the pump unit in it 2 suction air.Therefore, being contained in the lower surface that the aspirator in the main body 4 makes air pass pump unit 2 by operation is sucked.
The lower part of main body 4 is hinged to the rear side of pump unit 2, so that main body 4 can recede with predetermined angle with respect to pump unit 2.
Handle 6 is installed in the upside of main body 4, and when using vacuum cleaner with box lunch, user's grasping member 6 is also controlled vacuum cleaner.
For example, when the user clean wish cleaning local time, user's grasping member 6 is adjusted the angle of inclination of main body 4 with respect to pump unit 2.
The front central that dust arrester 8 passes main body 4 is removably mounted on the main body 4.Dust arrester 8 filters and collects the airborne impurity that is sucked into by pump unit 2.
In the conventional upright type vacuum cleaner shown in Fig. 1, dust arrester 8 is collected impurity in the whirlwind mode from the air that is sucked.
For as the conventional upright type vacuum cleaner of above-mentioned structure in air stream, at first, be contained in the pump orifice that the aspirator in the main body 4 makes the air that comprises dust and impurity pass the lower surface that is formed on pump unit 2 by operation and be inhaled into.
The air that is inhaled into enters dust arrester 8 through main body 4.Then, along with removal of contamination the air in dust arrester 8, air passes exhaust outlet via the inside of main body 4 and is discharged into the external world.
Fig. 2 is the perspective view of illustrating the dust arrester of Fig. 1, wherein has suction opening 21 that is formed on top and the exhaust openings 22 that is formed on the bottom.
If suction opening is formed on the top of dust arrester, and exhaust openings is formed on its underpart, and vacuum power increases in vacuum cleaner driving process, and makes the shielding power at suction opening place increase, the problem that this suction force that causes producing vacuum cleaner reduces.
In addition, because passing the delivery pipe straight line of dust arrester places, the pressure increase that is caused by vacuum power makes dust arrester oblique to the suction opening inclination, coupling part around the exhaust openings relative with suction opening is between main body and the dust arrester and produces the gap, vacuum power reduction and air therefore occur and leaks.
In order to address this problem, must encapsulant be set at suction opening between dust arrester and the main body and exhaust openings place, this causes number of components to increase.Therefore, need improve vacuum cleaner to overcome this problem.
Summary of the invention
Technical problem
In view of the problems referred to above of conventional upright type vacuum cleaner and proposed the present invention, and target of the present invention provides the discharge structure of vacuum cleaner, wherein suction and exhaust openings are formed on a side of dust arrester, even therefore when dust arrester owing to the effect of vacuum power when the suction opening inclination is oblique, can prevent that also the coupling part around exhaust openings from producing the air leakage, and reduce the use of encapsulant.
Technical scheme
According to an aspect of the present invention, can realize above-mentioned and other target by the discharge structure that vacuum cleaner is set, comprising: main body has suction ports and discharge port thereon; Exhauster(-tor is arranged on the discharge port inboard; Dust arrester is installed in a side of the flow channel between suction ports and the discharge port, and forms suction opening and exhaust openings in the one side; And delivery pipe, between exhaust openings and discharge port, extend.
Preferably, suction ports is formed on the upper end of main body, and discharge port is formed on the lower front side of main body, and main body has the mounting portion between suction ports and discharge port, so that dust arrester is removably mounted on the mounting portion of main body in the mode of sliding.
Preferably, described discharge structure also comprises at the upper surface of delivery pipe and the soft sealing material between the discharge port.
Preferably, described discharge structure also comprises and is installed in the lid that the delivery pipe lower end links to each other with exhauster(-tor, to cover the suction inlet of exhauster(-tor.
Preferably, described discharge structure comprises also and being fastened on the main body to limit the housing of exhauster(-tor that described housing has discharge orifice, and discharge orifice is formed in the face of on the exhaust outlet of exhauster(-tor and the filter surface mounted thereto.
Beneficial effect
According to the present invention, in the discharge structure of vacuum cleaner, suction opening and exhaust openings are formed on a side of dust arrester, and the discharge port from the exhaust openings to the main body is installed delivery pipe, even so that when in the vacuum cleaner driving process when dust arrester during to lopsidedness, also can prevent because the vacuum power that the loss of air produces reduces, therefore improve the operating efficiency of vacuum cleaner and reduce power consumption.
In addition, because the discharge structure of vacuum cleaner prevents the air leakage, do not need too much encapsulant, therefore reduced manufacturing cost according to the present invention.
Description of drawings
Above-mentioned and other target of the present invention, feature and other advantage will be more clear by follow-up detailed description with the accompanying drawing, wherein:
Fig. 1 is the perspective view of illustrating conventional upright type vacuum cleaner;
Fig. 2 is the perspective view of illustrating the dust arrester of conventional upright type vacuum cleaner;
Fig. 3 is the perspective view of illustrating according to vacuum cleaner of the present invention;
Fig. 4 is the decomposition diagram of illustrating according to the dust arrester of vacuum cleaner of the present invention;
Fig. 5 is the decomposition diagram of illustrating according to the discharge structure of vacuum cleaner of the present invention; With
Fig. 6 is the perspective view of illustrating according to the mounting structure of delivery pipe in the discharge structure of vacuum cleaner of the present invention; With
Fig. 7 is the profile of illustrating according to the discharge structure of vacuum cleaner of the present invention.
The specific embodiment
Describe the preferred embodiments of the present invention below with reference to the accompanying drawings in detail.
Fig. 3 is the perspective view of illustrating according to vacuum cleaner of the present invention; With Fig. 4 be the decomposition diagram of illustrating according to the dust arrester of vacuum cleaner of the present invention.
Vacuum cleaner according to the present invention comprises: main body 10 has predetermined space within it, and has suction ports 12 and discharge port 14 thereon; Pump unit 15 is removably mounted on the downside of main body 10 so that main body 10 is upright, and has dust collection port (not shown) and exhaust openings 18; Suction hose 70 is between suction ports 12 and exhaust openings 18; Extension 30 is removably mounted on the main body 10, and inner hollow is so that limit dust along its flow channel that is inhaled into; Handle 20 is removably mounted on the upper end of extension 30, with further qualification dust along its flow channel that is inhaled into; Exhauster(-tor 62 is positioned at a side that extends to the flow channel of discharge port 14 from suction ports 12; Dust arrester 50, the side that described flow channel removably is installed; With filter 60, be positioned at the inboard of discharge port 14.
Said structure constitutes upright type vacuum cleaner, as an example, can use discharge structure of the present invention on it.This vacuum cleaner can be converted to canister type vacuum cleaner, and like this, after main body 10 was separated extension 30 and handle 20, suction hose 70 can disconnect with exhaust openings 18 and being connected, and is connected with handle 20, separates main body 10 from pump unit 15 then.In this, should be noted that the discharge structure according to vacuum cleaner of the present invention can be applied in the vacuum cleaner that comprises dust arrester and filter of any kind of for example common canister type vacuum cleaner and common upright type vacuum cleaner.
Fig. 5 is the decomposition diagram of illustrating according to the discharge structure of vacuum cleaner of the present invention, Fig. 6 is that perspective view and Fig. 7 of illustrating according to the mounting structure of delivery pipe in the discharge structure of vacuum cleaner of the present invention are the profiles of illustrating according to the discharge structure of vacuum cleaner of the present invention.
Discharge structure according to vacuum cleaner of the present invention comprises: portion limits the main body 10 of predetermined space within it, and has suction ports 12 and discharge port 14 thereon; Exhauster(-tor 62 is arranged on discharge port 14 inboards; Dust arrester 50, the side by the flow channel between suction ports 12 and the discharge port 14 is installed on the main body, and forms suction opening 52 and exhaust openings 54 in the one side; With delivery pipe 82, between exhaust openings 54 and discharge port 14, extend.
Utilize this structure, when exhauster(-tor 62 was driven, impurity and air were introduced into by suction ports 12, and the suction opening 52 by dust arrester 50 flows into dust arrester 50 then.Then, impurity is collected in the dust arrester 50 by the dust-collecting filter shown in Fig. 7 56.Simultaneously, from being passed the downside that exhaust openings 54 flows to main body 10 by the air of initial impurity screening along delivery pipe 82 here, and be discharged into the outside by discharge port 14.
In this, owing to the vacuum power from exhauster(-tor 62 can make dust arrester 50 to lopsidedness.But, according to the present invention, because suction opening 52 and exhaust openings 54 are formed on the upper surface of dust arrester 50, even, also can prevent the coupling part leakage of air from dust arrester and main body when dust arrester 50 during to suction opening 52 and exhaust openings 54 lopsidedness.
Therefore, soft sealing material 8 prevents to cause vacuum power to reduce because the air between delivery pipe and the exhaust openings leaks between the upper end and exhaust openings 54 of delivery pipe 82.
In addition, housing 64 is fastened on the main body 10, and limiting the front side of exhauster(-tor 62, and housing 64 has and pass the discharge orifice 64a that the surface in the face of the exhaust outlet 62a of exhauster(-tor 62 forms, so that filter 60 is installed in the front side of discharge orifice 64a.Therefore, pass and filtered for the second time when discharge orifice 64a flows to discharge port 14, thereby keep room air fresh when being included in airborne impurity.
To introduce operation below according to the discharge structure of vacuum cleaner of the present invention.
At first, when to vacuum cleaner power supply and driving exhauster(-tor 62, dust and other impurity pass suction ports 12 and are inhaled into, and flow into dust arresters 50 by suction opening 52.Then, by dust-collecting filter 56 impurity is collected in the dust arrester 50, air passes exhaust openings 54 and flows into exhauster(-tor 62 along delivery pipe 82 simultaneously, and is discharged into the outside via the discharge orifice 64a of housing 64 by discharge port 14.
Air is filtered when passing filter 60 for the second time.Simultaneously, encapsulant 86 and cover 84 and prevent that air is between delivery pipe 82 and the dust arrester 50 and leak between delivery pipe 82 and the exhauster(-tor.
Therefore, can prevent because dust arrester leaks the vacuum power decline that produces to the air that lopsidedness caused according to the discharge structure of vacuum cleaner of the present invention, and can reduce the use of encapsulant.
Although exemplarily disclose the preferred embodiments of the present invention, those skilled in the art can carry out various possible modifications, increase and replacement under the prerequisite that does not break away from as disclosed scope of invention of follow-up claim and spirit.
Claims (5)
1, a kind of discharge structure of vacuum cleaner comprises:
Main body has suction ports and discharge port thereon;
Exhauster(-tor is arranged on the discharge port inboard;
Dust arrester is installed in a side of the flow channel between suction ports and discharge port, and forms suction opening and exhaust openings in the one side; With
Delivery pipe extends between exhaust openings and discharge port.
2, discharge structure as claimed in claim 1, wherein suction ports is formed on the upper end of main body, and discharge port is formed on the lower front side of main body, main body has the mounting portion between suction ports and discharge port, so that dust arrester is removably mounted on the mounting portion of main body in the mode of sliding.
3, discharge structure as claimed in claim 1 also comprises: between the upper surface of delivery pipe and the soft sealing material between the exhaust openings.
4, discharge structure as claimed in claim 1 also comprises: be installed in the lid that the lower end of delivery pipe links to each other with exhauster(-tor, to cover the suction inlet of exhauster(-tor.
5, discharge structure as claimed in claim 1 also comprises: be fastened on the main body to limit the housing of exhauster(-tor, described housing has discharge orifice, and discharge orifice is formed in the face of the exhaust outlet of exhauster(-tor and is equipped with on the surface of filter.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050075745A KR100730944B1 (en) | 2005-08-18 | 2005-08-18 | Exhaust flow path structure of vacuum cleaner |
| KR1020050075745 | 2005-08-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101242768A true CN101242768A (en) | 2008-08-13 |
Family
ID=37757772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006800300616A Pending CN101242768A (en) | 2005-08-18 | 2006-08-17 | Exhaust structure of vacuum cleaner |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20070039124A1 (en) |
| EP (1) | EP1921966A4 (en) |
| JP (1) | JP2009504308A (en) |
| KR (1) | KR100730944B1 (en) |
| CN (1) | CN101242768A (en) |
| WO (1) | WO2007021144A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107260081A (en) * | 2017-08-18 | 2017-10-20 | 合肥荣电环境电器有限公司 | A kind of intelligent domestic floor sweeper |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100175217A1 (en) * | 2007-08-29 | 2010-07-15 | G.B.D. Corp. | Cyclonic surface cleaning apparatus with externally positioned dirt chamber |
| USD666372S1 (en) | 2011-08-15 | 2012-08-28 | Techtronic Floor Care Technology Limited | Filter housing |
| EP3566627A1 (en) * | 2018-05-09 | 2019-11-13 | Hilti Aktiengesellschaft | Air ejector system for a portable dry vacuum cleaning unit |
| USD1048619S1 (en) * | 2022-12-07 | 2024-10-22 | Emerson Electric Co. | Backpack vacuum cleaner |
| USD1056377S1 (en) * | 2023-03-20 | 2024-12-31 | Robert Bosch Gmbh | Vacuum attachment |
| USD1046350S1 (en) * | 2023-04-07 | 2024-10-08 | Emerson Electric Co. | Exhaust port accessory for vacuum cleaner |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5946771A (en) * | 1997-01-09 | 1999-09-07 | The Hoover Company | Vacuum cleaner air exhaust arrangement |
| US5961676A (en) * | 1997-06-09 | 1999-10-05 | The Hoover Company | Hard bag door with air directing arrangement |
| US6314610B1 (en) * | 1999-04-23 | 2001-11-13 | The Hoover Company | Vacuum cleaner bag housing assembly |
| EP1220635B1 (en) * | 1999-09-16 | 2010-05-05 | Lg Electronics Inc. | Vacuum cleaner |
| GB2358126B (en) * | 2000-01-17 | 2002-01-16 | Samsung Kwangju Electronics Co | Air exhaust structure of an upright-type vacuum cleaner |
| JP3956185B2 (en) * | 2000-07-18 | 2007-08-08 | 東芝テック株式会社 | Electric vacuum cleaner |
| KR100377016B1 (en) * | 2000-10-19 | 2003-03-26 | 삼성광주전자 주식회사 | Upright type Vacuum Cleaner |
| KR100540426B1 (en) * | 2000-12-29 | 2006-01-10 | 엘지전자 주식회사 | Vacuum cleaner |
| US7143469B2 (en) * | 2001-02-06 | 2006-12-05 | The Hoover Company | Dirt collecting system |
| US6920665B2 (en) * | 2001-02-06 | 2005-07-26 | The Hoover Company | Pivoting valve arrangement |
| US6615444B2 (en) | 2001-05-09 | 2003-09-09 | The Hoover Company | Dirt collection system for a vacuum cleaner |
| US7152275B2 (en) * | 2002-07-18 | 2006-12-26 | Panasonic Corporation Of North America | Dirt container for cyclonic vacuum cleaner |
| CA2500156C (en) * | 2002-10-31 | 2009-12-29 | Toshiba Tec Kabushiki Kaisha | Vacuum cleaner |
| KR20040080092A (en) * | 2003-03-10 | 2004-09-18 | 엘지전자 주식회사 | Noise reducing structure for Vacuum Cleaner |
| KR100511328B1 (en) * | 2003-06-05 | 2005-08-31 | 엘지전자 주식회사 | Dustbox structure for cyclone cieaner |
| KR100500829B1 (en) * | 2003-06-09 | 2005-07-12 | 삼성광주전자 주식회사 | Dust collecting apparatus of vacuum cleaner having two cyclones |
| EP1495706B1 (en) * | 2003-07-10 | 2013-05-01 | Black & Decker Inc. | Vacuum cleaner |
| US7588610B2 (en) * | 2004-11-25 | 2009-09-15 | Sanyo Electric Co., Ltd. | Dust collector and vacuum cleaner having the same |
-
2005
- 2005-08-18 KR KR1020050075745A patent/KR100730944B1/en not_active Expired - Fee Related
-
2006
- 2006-08-17 JP JP2008526883A patent/JP2009504308A/en not_active Withdrawn
- 2006-08-17 CN CNA2006800300616A patent/CN101242768A/en active Pending
- 2006-08-17 EP EP06783640A patent/EP1921966A4/en not_active Withdrawn
- 2006-08-17 WO PCT/KR2006/003234 patent/WO2007021144A1/en active Application Filing
- 2006-08-18 US US11/506,425 patent/US20070039124A1/en not_active Abandoned
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107260081A (en) * | 2017-08-18 | 2017-10-20 | 合肥荣电环境电器有限公司 | A kind of intelligent domestic floor sweeper |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2007021144A1 (en) | 2007-02-22 |
| EP1921966A4 (en) | 2010-03-10 |
| US20070039124A1 (en) | 2007-02-22 |
| EP1921966A1 (en) | 2008-05-21 |
| JP2009504308A (en) | 2009-02-05 |
| KR100730944B1 (en) | 2007-06-22 |
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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 | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080813 |