CN1293818A - Fuse unit - Google Patents
Fuse unit Download PDFInfo
- Publication number
- CN1293818A CN1293818A CN 00800089 CN00800089A CN1293818A CN 1293818 A CN1293818 A CN 1293818A CN 00800089 CN00800089 CN 00800089 CN 00800089 A CN00800089 A CN 00800089A CN 1293818 A CN1293818 A CN 1293818A
- Authority
- CN
- China
- Prior art keywords
- fusible link
- lead terminal
- resistive element
- main body
- mentioned
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/12—Overvoltage protection resistors
- H01C7/126—Means for protecting against excessive pressure or for disconnecting in case of failure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
- H01H85/048—Fuse resistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
- H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
- H01H37/761—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fuses (AREA)
Abstract
Fuse unit (10) comprising a temperature fuse (11) and a resistor (15), the fuse (11) comprising a fuse body (12) and a pair of lead terminals (13, 14) and being rendered non-conductive on temperature rise, the resistor (15) comprising a resistor body (16) and a pair of lead terminals (17, 18), the resistor body (16) being disposed ajdacent to the fused body and enclosed, together with the fuse body, by a covering material (20) consisting of an electrically insulating-resin tube. The lead terminal (13) and the lead terminal (17) are connected together by welding, while the lead terminals (14, 18) are exposed outside the covering material (20). The covering material (20), being formed of an insulating-resin tube, is compact and light in weight.
Description
The present invention relates to such fuse unit, it has the temperature fusible link and the resistive element that can become not on-state (off state) when circuit has overcurrent.
The fuse unit that is called the prior art of fusible link resistive element in this technology has the circuit structure that temperature fusible link and resistive element are connected in series.The temperature fusible link adopts and to have the pair of lead wires terminal in fusible link main body both sides, and resistive element also adopts and has the pair of lead wires terminal in resistive element main body both sides simultaneously.Temperature fusible link one side's lead terminal and resistive element one side's lead terminal is welded by scolder.Weld part and fusible link main body and support resistance device main body and be installed in inner hard such as pottery with insulating properties material fillings such as insulating properties adhesive and insulative resins outward in the packaging container.The temperature fusible link has such function, when having overcurrent to flow through or being applied with overvoltage, owing to flow through the electric current heating of temperature fusible link itself and, inner fusible link element fused, and become not conducting (opening circuit) state in moment from the heating of resistive element.
There have the spy to open in the flat 9-147710 communique as other forms of fuse unit to be disclosed.Fuse unit constitutes resistive element and temperature fusible link with the 1st and the 2nd substrate like this.
In preceding a kind of fuse unit,, exist the big problem of overall dimension owing to use the outer packaging container that forms by pottery etc.In addition, owing to be filled with adhesive etc. in the packaging container outside, goods are increased the weight of.Like this, because the size of goods and weight strengthen, the fuse unit of this prior art just can not be assembled on the automatic transport band, and can't be installed on the circuit substrate automatically by automatic assembly equipment.
There is the problem that volume is big and goods are heavy equally in a kind of fuse unit in back.
The object of the present invention is to provide light fuse unit than prior art.
Another object of the present invention is to provide than the simple in structure of prior art and the fuse unit that is easy to make.
Another purpose of the present invention is to provide simple in structure and is easy to arrive the fuse unit of temperature fusible link from the heat that resistive element produces.
The fuse unit that a further object of the present invention is to provide simple in structure and thermal endurance is high.
The fuse unit that provides resistive element and temperature fusible link to be electrically connected easily mutually is provided a further object of the present invention.
A further object of the present invention is to provide simple in structure and can makes resistive element main body and fusible link main body keep in touch the fuse unit of state.
It is small-sized and simple in structure that a further object of the present invention is to provide, and can correctly work and be easy to be assembled to automatically fuse unit on the circuit substrate.
Fuse unit of the present invention has temperature fusible link and resistive element.The temperature fusible link possesses the lead terminal that the fusible link main body is arranged and go out from the fusible link Subject Extension, can become not on-state when temperature raises.The pair of lead wires terminal that resistive element then is equipped with the resistive element main body and goes out from the resistive element Subject Extension, resistive element main body and fusible link main body are in abutting connection with configuration.In addition, fusible link main body and resistive element main body are to be coated by the clad material with electrical insulating property.Pair of lead wires terminal one side's of temperature fusible link lead terminal is connected with resistive element pair of lead wires terminal one side's lead terminal.Pair of lead wires end the opposing party's of temperature fusible link lead terminal and resistive element pair of lead wires terminal the opposing party's lead terminal then is exposed to the outside of clad material.
Among the present invention, form clad material by the cylindrical shell of insulative resin material system.Can make clad material compactness and lightweight like this.Particularly can make fusible link main body and resistive element main body mutually approaching masterpiece be used for determining on the two the shape and the size of cylindrical shell, thereby the fusible link main body is contacted with the resistive element main body and keep this contact condition.
Preferably adopt the heat-shrinkable resin material of heating after-contraction to form cylindrical shell.The geomery of the cylindrical shell before coming in this wise then to determine to install, even it can easily take in fusible link main body and resistive element main body, under the state of heat-shrinkable resin material thermal contraction, clad material is acted on fusible link main body and the resistive element main body making under the mutually approaching power of fusible link main body and resistive element main body.Like this, no matter because whether the installation of clad material can both keep the contact condition of fusible link main body and resistive element main body easily reliably, just the heat of self-resistance phosphor bodies is transmitted to the fusible link main body reliably in the future.
Preferably adopt the heat resisting temperature silicones higher as the heat-shrinkable resin material than the heating temp of resistive element main body.After having adopted such silicones (comprising silicon rubber), can prevent to significantly improve fail safe because of resistive element heating fusing clad material and burning etc.
Temperature fusible link one side's lead terminal and resistive element one side's the consecutive method of lead terminal can have several different methods for adopting.Particularly, not only easily make the automation that continues, can also improve the intensity that continues of continual-connecting-part, improved the reliability of goods by making two sides' lead terminal welding.Specifically, make a side and the opposing party of lead terminal of temperature fusible link one side's lead terminal and resistive element one side crooked alternately.The resistance of then cross-point of temperature fusible link one side's lead terminal and resistive element one side's lead terminal partly being switched on adds thermal weld and forms spot welding.Can carry out continuing of lead terminal with few man-hour and simple manufacturing procedure like this.
With the size of space between temperature fusible link the opposing party's lead terminal and resistive element the opposing party's lead terminal, leave fusible link main body and resistive element main body along with it and increase to slowly to a certain degree, after temperature fusible link the opposing party's lead terminal and resistive element the opposing party's lead terminal has at least a side shape to determine, when the clad material thermal contraction, just can be making the mutual power of convergence in opposite directions of these the opposing party's lead terminals give at least one side's lead terminal.As a result, described power also helps to keep contacting of fusible link main body and resistive element.
Temperature fusible link the opposing party's lead terminal preferably covers with the insulative resin pipe on the major part (base end part) of having removed resistive element the opposing party lead terminal fore-end.Can prevent the short circuit between a pair of the opposing party's here lead terminal like this, and the insulative resin pipe can become separator, can keep predetermined distance installing between the surface of circuit substrate of usefulness and temperature fusible link and the resistive element.In addition, by form this insulative resin pipe with the heat-shrinkable resin material, then this pipe is not only installed easily and can be prevented to come off.
In addition, fuse unit of the present invention is got the structure of the strip-shaped parts form of sliding because weight saving can attach to the fore-end of temperature fusible link the opposing party's lead terminal and resistive element the opposing party lead terminal on the automatic transport band.
Fig. 1 is used to illustrate the structure that the fuse unit of an embodiment of the present invention is constituted strip-shaped parts.
Form of implementation of the present invention is described with reference to the accompanying drawings.Fig. 1 shows the part of the strip-shaped parts that has 2 fuse units 10 of bright embodiments of the invention, and 1 fuse unit 10 among Fig. 1 in order to show bright its internal structure, is described as clad material 20 described later transparent.
The all desirable arbitrary structures of the resistance of resistive element 15 for example can be made of metal film, carbon film, oxidized metal, helix, metal glaze film or nethike embrane, carbon resin film etc.
After cutting, one side's of temperature fusible link 11 lead terminal 13 short lead terminal 17 weak points of cutting a side of resistive element 15 curve L font (or the shape that meets at right angles).With lead terminal 13 and lead terminal 17 cross-over configuration, the spot welding that both cross sections are heated by resistive welding continues then.14 of temperature fusible link 11 the opposing party's lead terminals extend from fusible link main body 12 Bi Zhi ground.The adjacent part of resistive element 15 the opposing party's lead terminal 18 and resistive element main body 16 is along with it is separated from resistive element main body 12 and outward-dipping, and its fore-end bends to the lead terminal almost parallel with temperature fusible link 11.In other words, widen with resistive element main body 16 slowly from being separated from fusible link main body 12 at the interval between lead terminal 14 and the lead terminal 18, and lead terminal 18 bendings then make it get constant width at interval.The lead terminal 18 of resistive element 15 and the lead terminal 14 of temperature fusible link 11 are on the electrode of the circuit substrate that scolder is used to actual installation continuously.
In this example, upward coat by the insulative resin pipe 19 of heat-shrinkables such as polyolefin at the opposing party's lead terminal 14 and 18 cardinal extremity (with main body 12 and 16 adjacent parts).In this example, the sweep of lead terminal 18 ends in an end of insulative resin pipe fitting 19.
As mentioned above, under the connection state of lead terminal 13 and 17, lead terminal 13 and 17, fusible link main body 12, resistive element main body 16, lead terminal 14 and a part of 18 are disposed at clad material 20 inside that the cylindrical body that formed by the insulative resin material is formed.The cylindrical body that this clad material 20 is made up of the thermal contraction resin material of height insulation constitutes.As the cylindrical body that this heat-shrinkable resin material is formed, for example can adopt the pipe fitting that is cut into suitable length by the pipe of the silicones of poly-Class B pitch tube or silicon rubber etc.The silicones of heat-shrinkable particularly, its thermal endurance is good, has to shrink about 150 ℃ and up to about 200 ℃ thermal endurance, applicable to making this pipe fitting.The heating temp of the working temperature of temperature fusible link 11 and resistive element 15 should be lower than the heat resisting temperature of this clad material 20, in order to avoid catch fire.In addition, even the heat resisting temperature of clad material 20 surpasses the melting temperature of the fusible link portion of fusible link 11, if heating time is short, then the fuse portion of temperature fusible link 11 can fusion or fusing yet.
As previously mentioned, be located at wire lead termination 18 in the resistive element 15 in resistive element main body 16 in cardinal extremity slightly to excurvation, substantially parallel with respect to the opposing party's lead terminal halfway then.The interval of parallel pair of lead wires terminal 14 and lead terminal 18 centre-to-centre spacing that is set at a pair of through hole that forms on the circuit substrate for example be 5mm.In this example, the lead terminal 17 and the lead terminal 18 of the bending of resistive element 15 are positioned at same plane.
The following describes the manufacture method of fusible link resistor 10 of the present invention, at first temperature fusible link 11 and a side's of resistive element 15 lead terminal 13 and 13 are used the scolder welding mutually, temperature fusible link 11 is connected mutually with resistive element 15 continue.Then, make the fusible link main body 12 of fusible link 11 and resistive element 15 16 one-tenth almost parallels of resistive element main body and equip attitude.Under this state, each insulative resin pipe 19 is coated the opposing party's lead terminal 14 and 18.Again insulative resin pipe heating is made its thermal contraction and do not become and can pull out form.Again lead terminal 18 at two places according to the predetermined angular bending.At this moment lead terminal 18 is crooked in itself and lead terminal 17 isoplanars.After this fusible link main body 12 of temperature fusible link 11 is inserted in the clad material 20 of cylindrical shell composition with the resistive element main body 16 of resistive element 15.Clad material 20 is heated to about 150 ℃ causes its thermal contraction, make fusible link main body 12 contact closely with resistive element main body 16.
Explanation now is with the situation of this fuse unit 10 as strip-shaped parts.At first as shown in Figure 1, the lead terminal 14 and 18 of each fuse unit 10, they with the length of automatic transport band 22 to meeting at right angles substantially, and and adjacent fusible link between distance become certain spacing, the lead terminal 14 and 18 of each fuse unit 10 is put on the automatic transport band 22.With adhesive tape 24 lead terminal 14 and 18 is fixed on the automatic transport band 22 then.
The strip-shaped parts that produces like this is installed on the circuit substrate with automatic installation apparatus.After being assembled to automatic transport band 22 on the automatic installation apparatus, automatic transport band 22 is just delivered on the precalculated position of automatic installation apparatus.Thereupon, manipulator keeps the part of the clad material 20 of fuse unit 10, and cutting knife is pressed predetermined length with lead terminal 14,18 and cut off.Insert in the predetermined through-holes of circuit substrate by the lead terminal 14 and 16 of manipulator then the cut-out of fuse unit 10.At this moment, insulative resin pipe 19 contacts with the circuit board substrate surface, the block piece when playing lead terminal 16 insertions or the effect of separator.
So the fuse unit 10 of this form of implementation simple in structure, small-sized is can be with fuse unit 10 by being attached on the automatic transport band 22 and be installed on the circuit substrate automatically.Therefore can efficiently fuse unit 10 be installed on the circuit substrate and reduce mounting cost.
In this example, because being fixed on fusible link main body 11 and the resistive element 15, the clad material thermal contraction needn't adopt the adhesive of fixing usefulness etc., be easy to produce and the fuse unit 10 of cheapness thereby can make.
In addition, lead terminal 13 and 17 is to be connected and fixed by spot welding each other, thereby the intensity height, even when lead terminal 17 is crooked, welding portion can not thrown off yet.As for lead terminal 13 and being connected of lead terminal 17 also considering to adopt solder.But can prolong heating time when solder, and heat can conduct to the temperature fusible link, might cause fusible link portion that partial melting or fusing easily take place.In contrast, spot welding is transient heating, brings adverse effect can for the temperature fusible link, and it is also easy to make.Moreover the heat conductivity of weld part is good, and the heat energy that resistive element 15 takes place is passed to temperature fusible link 12 well, is able to reliably and correctly make the fusing of fusible link portion.
In addition, on the lead terminal 14 and 18 of this form of implementation insulative resin pipe portion 19 coatings with heat-shrinkable, insulative resin pipe portion 19 can not come off from lead terminal 14 and 18, simultaneously after being installed on the circuit substrate, even lead terminal 14 and 18 can not cause short circuit because of distortion is in contact with one another yet.Have again,, can make the distance of circuit substrate and fusible link main body 12 and resistive element main body 16 keep certain in the time of on being installed to circuit substrate by described insulative resin pipe 19.Like this, by the distance of maintenance with circuit substrate, the heat of soldering is difficult for passing to the fusible link portion of temperature fusible link 11 during assembling, can prevent that the heat of scolder from making fusible link fusing.
Under above-mentioned form of implementation, resistive element 15 generally is to be made and not yielding by pottery, lead terminal 18 1 sides that are located in the resistive element 15 are crooked to make that to be located at the lead terminal 14 that has in the flexible outer temperature fusible link of adorning 11 not crooked by making, and can reduce the defective in the manufacturing process and improves rate of finished products.In addition, closely be installed to mutually on the circuit substrate, the fusible link main body 12 of temperature fusible link 11 is contacted with the resistive element main body 16 of skin resistance body 15 is closer mutually by under afterburning state, making lead terminal 14 and 18.Fuse unit of the present invention is not limited to above-mentioned form of implementation, and the shape of clad material 20 can suitably change, and can use suitable cylindrical body.
Fuse unit of the present invention, simple in structure, miniaturization also easily is installed on the circuit substrate automatically by being attached on the automatic transport band.Have, clad material is to install by thermal contraction again, can reduce manufacturing expense significantly.
Claims (11)
1. fuse unit is characterized in that comprising: the pair of lead wires terminal that has been equipped with the fusible link main body and has gone out from this fusible link Subject Extension becomes the temperature fusible link of nonconducting state when temperature rises; The lead terminal that has been equipped with the resistive element main body and has gone out, and the heating of this resistive element main body and above-mentioned fusible link main body disposed adjacent resistive element from this resistive element Subject Extension; Coat the clad material with electrical insulating property of above-mentioned fusible link main body and above-mentioned resistive element main body;
One side's lead terminal of the one side's lead terminal of the aforementioned pair of lead wires terminal of described temperature fusible link and the aforementioned pair of lead wires terminal of described resistive element continues;
The opposing party's lead terminal of the opposing party's lead terminal of the aforementioned pair of lead wires terminal of described temperature fusible link and the aforementioned pair of lead wires terminal of described resistive element continues;
Described clad material is to be made of the cylindrical shell that the insulative resin material forms.
2. fuse unit according to claim 1 is characterized in that, described cylindrical shell has makes the approaching mutually masterpiece of described fusible link main body and described resistive element main body be used for geomery on these two main bodys.
3. fuse unit according to claim 2 is characterized in that, described cylindrical shell is formed by the heat-shrinkable resin material of heating after-contraction.
4. fuse unit according to claim 2 is characterized in that, described heat-shrinkable resin material is the silicones with heat resisting temperature higher than the heating temp of aforementioned electric resistance body main body.
5. according to claim 3 or 4 described fuse units, it is characterized in that described clad material is used on these two main bodys the mutual approaching masterpiece of above-mentioned thermo-fuse main body and resistive element main body under the state of the aforementioned hot property received resin material thermal contraction.
6. fuse unit according to claim 1 is characterized in that, an aforementioned side's of described temperature fusible link the lead terminal and an aforementioned side's of described resistive element lead terminal is by being welded to connect.
7. fuse unit according to claim 6 is characterized in that, a side of an above-mentioned side's of described temperature fusible link the lead terminal and an above-mentioned side's of described resistive element fusible link lead terminal is staggered crooked with the opposing party; The cross-point part of aforementioned side's lead terminal of an above-mentioned side's of described temperature fusible link lead terminal and above-mentioned resistive element then forms spot welding by resistance welded.
8. fuse unit according to claim 2, it is characterized in that, the size of space between the linear terminal of aforementioned the opposing party of above-mentioned the opposing party's of described temperature fusible link lead terminal and above-mentioned resistive element, slowly be increased to necessarily substantially along with leaving described these two main bodys, and the shape of at least one side in aforementioned the opposing party's of above-mentioned the opposing party's of described temperature fusible link lead terminal and above-mentioned resistive element the lead terminal is determined.
9. fuse unit according to claim 1 is characterized in that, the above-mentioned the opposing party's of described temperature fusible link lead terminal covers with the insulative resin pipe on the major part of the aforementioned lead terminal fore-end of having removed described resistive element the opposing party.
10. fuse unit according to claim 9 is characterized in that, described insulative resin pipe is to be formed by the heat-shrinkable resin material.
11. fuse unit according to claim 1 is characterized in that, the fore-end of above-mentioned the opposing party's of above-mentioned the opposing party's of described temperature fusible link lead terminal and aforementioned electric resistance body lead terminal attaches on the automatic transport band.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22416/99 | 1999-01-29 | ||
| JP2241699 | 1999-01-29 | ||
| JP22416/1999 | 1999-01-29 | ||
| JP232165/99 | 1999-08-19 | ||
| JP232165/1999 | 1999-08-19 | ||
| JP23216599A JP4373539B2 (en) | 1999-01-29 | 1999-08-19 | Fuse resistor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1293818A true CN1293818A (en) | 2001-05-02 |
| CN1235254C CN1235254C (en) | 2006-01-04 |
Family
ID=26359638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00800089 Expired - Lifetime CN1235254C (en) | 1999-01-29 | 2000-01-28 | Fuse unit |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4373539B2 (en) |
| CN (1) | CN1235254C (en) |
| WO (1) | WO2000045409A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102714079A (en) * | 2010-01-29 | 2012-10-03 | 弗莱克斯电子有限责任公司 | Resistor with thermal element |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009010702A1 (en) * | 2007-07-17 | 2009-01-22 | Powrmatic Limited | A heating module and system controller that increases the efficiency of heat pumps for domestic hot water and heating |
| JP2009050096A (en) * | 2007-08-21 | 2009-03-05 | Nidec Shibaura Corp | Brushless mold motor |
| KR101038237B1 (en) * | 2009-04-21 | 2011-05-31 | 스마트전자 주식회사 | Thermal Fuse Resistor |
| KR101060013B1 (en) | 2009-04-21 | 2011-08-26 | 스마트전자 주식회사 | Fuse Resistor, Manufacturing Method and Installation Method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5840507Y2 (en) * | 1982-04-16 | 1983-09-12 | 東京軽電機株式会社 | Lead wire insulation spacer for temperature fuses, etc. |
| JPS5989501U (en) * | 1982-12-08 | 1984-06-18 | 株式会社東芝 | Resistor |
| JPS59176107U (en) * | 1983-05-09 | 1984-11-24 | 内橋エステック株式会社 | Resistor with temperature fuse |
| JPS61166410U (en) * | 1985-04-03 | 1986-10-15 | ||
| JPS62120241U (en) * | 1986-01-23 | 1987-07-30 | ||
| JPH0195040U (en) * | 1987-12-16 | 1989-06-22 | ||
| JPH03216927A (en) * | 1990-01-19 | 1991-09-24 | Matsushita Electric Ind Co Ltd | Electronic component protecting fuse |
| US5428338A (en) * | 1994-01-10 | 1995-06-27 | Therm-O-Disc, Incorporated | Thermal cutoff assembly |
-
1999
- 1999-08-19 JP JP23216599A patent/JP4373539B2/en not_active Expired - Lifetime
-
2000
- 2000-01-28 WO PCT/JP2000/000492 patent/WO2000045409A1/en active Application Filing
- 2000-01-28 CN CN 00800089 patent/CN1235254C/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102714079A (en) * | 2010-01-29 | 2012-10-03 | 弗莱克斯电子有限责任公司 | Resistor with thermal element |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2000045409A1 (en) | 2000-08-03 |
| JP4373539B2 (en) | 2009-11-25 |
| CN1235254C (en) | 2006-01-04 |
| JP2000285788A (en) | 2000-10-13 |
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|---|---|---|---|
| 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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20060104 |
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| CX01 | Expiry of patent term |