CN1205799A - Improvements relating to electrically powered water heating appliances and controls therefor - Google Patents
Improvements relating to electrically powered water heating appliances and controls therefor Download PDFInfo
- Publication number
- CN1205799A CN1205799A CN 96199162 CN96199162A CN1205799A CN 1205799 A CN1205799 A CN 1205799A CN 96199162 CN96199162 CN 96199162 CN 96199162 A CN96199162 A CN 96199162A CN 1205799 A CN1205799 A CN 1205799A
- Authority
- CN
- China
- Prior art keywords
- combination
- equipment
- parts
- intake section
- protection controller
- 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
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/04—Bases; Housings; Mountings
- H01H37/043—Mountings on controlled apparatus
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
- H01R13/713—Structural association with built-in electrical component with built-in switch the switch being a safety switch
- H01R13/7137—Structural association with built-in electrical component with built-in switch the switch being a safety switch with thermal interrupter
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/0006—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches
- H01H11/0031—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches for allowing different types or orientation of connections to contacts
Landscapes
- Cookers (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
A cordless electrical appliance such as an electrical kettle has an element protection control combined with an appliance connector inlet part of the cordless connection system of the appliance, the element protection control and the appliance connector inlet part being separate items which plug into each other by way of connections providing for a degree of flexibility as regards the relative positions of the parts when they are plugged into each other. By virtue of this arrangement manufacturing tolerances in electrical appliances to which the subject combination is to be fitted can readily be accommodated.
Description
Invention field
The present invention relates to about the improvement of electrically powered water heating appliances etc. and to its control.The example of the water heating apparatus that the present invention is suitable for has insulating pot and hot-water bottle, teapot, and pot, laboratory equipment or the like will specifically be described the present invention with reference to insulating pot and hot-water bottle hereinafter, although the present invention obviously is not limited only to these purposes.
Background of invention
Control such as the electrically powered water heating appliances of kettle and hot-water bottle one class is the operating technology of well-known, can occur cut-out equipment under the condition of temperature overheating at the heating element of equipment, for example since the equipment of connecting be empty or dryouied; Sort controller is commonly called the element protection controller.Other controllers also are known, cut off the equipment power of equipment heating element (or can reduce significantly at least) when they can the water in equipment be heated to boiling point; These controllers are normally operated by the steam that produces in the checkout equipment, and are collectively referred to as the steam sensing controler.Element protection controller and steam sensing controler generally include the heat sensor of himself; bimetallic element normally; and known elements protection controller also comprises the auxiliary or backup protection of certain form, is used for losing efficacy at master controller, although this carries out action when unlikely.
Reference Fig. 3 A wherein in GB-A-2 194 099,3B and 3C have described a kind of element protection controller, and have described a kind of improved form of sort controller in GB-A-2 248 724.Concrete reference Fig. 3 A has wherein described a kind of steam sensing controler to 3M in GB-A-2 212 664.
A kind of single-sensor that element protection and steam sensing controler are combined has been described in GB-A-2 283 155; it is made up the shell original shape that proposes among a kind of improved form of the element protection controller of GB-A-2 194 099 (referring to Fig. 2 of GB-A-2 283 155) and the GB-A-1 143 834 constitutes; this element protection controller is installed in a side dry on the plane heating element that is positioned at the water heating vessels bottom, and its shell is in a side moist on the element relative with the element protection location of controls.Have opening on the shell, can when container needs water-filling, be used for pouring water, and the boiling of the water in container the time discharges the steam that produces in the water from shell, thereby cause the element protection controller can detected a kind of local element temperature overheating state.By means of this structure, just can utilize single controller to finish two kinds of functions such as element over-temperature protection and steam detection.
Although insulating pot and other water heating apparatus all are wired usually, that is to say can be by terminating at the outlet that electric wire (or cable) on the suitable plug and socket formula terminal is connected to electrical outlets, but there is a kind of so-called cordless apparatus to be popularized in recent years, electric power wherein offers power consumption equipment itself by the base device that is connected with power supply, equipment itself and base device have the electric connector part of cooperation, when equipment itself is placed on the base, can provide suitable electrical connection for the inner heating element of equipment itself by base device.The concrete connected system of wireless electric equipment has been described in GB-A-2 241 390 and GB-A-2 236 220, described a kind of especially effectively cordless apparatus connected system in WO 94/06185, it can not need to resemble must be with equipment aligning base itself before coupling part separately is meshing with each other the system of GB-A-2 241390 and GB-A-2 236 220.The connected system of WO 94/06185 two coupling parts whole in relative rotation 360 ° or near 360 ° scope in, be connected for providing between equipment itself and its base.
Described a kind of connected system of wireless electric equipment in WO 94/06185 with reference to Fig. 7 to 11, shown in Fig. 8 B wherein, the plug portion of connected system is to form an integral body according to the method for GB-A-2 194 099 and element protection controller.Yet the problem of this structure is to lack flexibility, and the overall structure of element protection controller and connector plug part has limited designer's flexibility, and has increased some tolerance limits when making this kind equipment.
Goal of the invention and general introduction
The objective of the invention is to solve or reduce the problems referred to above that exist in whole element protection controller and the wireless connected system at least significantly.
According to one aspect of the present invention; a kind of element protection controller and wireless connected system of combination are provided for water heating apparatus; the element protection controller wherein and the equipment coupling part of wireless connected system are parts independently; partly be connected to together by electric connector, the electric connector part should be able to connect two parts effectively in its certain relative position scope.
In the one embodiment of the present of invention that so limit; be provided with the electric connecting member that can be plugged together according to the socket part of the sort of wireless connected system of the method for WO 94/06185 with according to the element protection controller of the method for GB-A-2 194 099; the two one of on be provided with a pair of blade terminal (plug), and be provided with supporting jack (socket) the opposing party.Jack (socket) preferably comprises spring terminal; even when the tolerance that occurs in the manufacture process of auxiliary device caused connector body part and element protection controller not to have complete mutual alignment or its relative position of each other not accurate enough to a certain extent, this structure still can realize being electrically connected fully.
Describe the various distortion of the foregoing description hereinafter in detail; the element protection controller can be installed in the socket part top of wireless connected system or arranged side by side with socket part; this type of distortion can adapt to different device structures, and provides more flexibility for the product design personnel.Be contained in the socket part of wireless connected system and/or the electric connector part on the element protection controller, allow each parts to use one of them selectively at top and distortion centre arranged side by side.
To specifications, the present invention can also expand to the electrically powered water heating appliances that comprises wireless connected system and element protection controller.Although be not unique selection, the present invention is suitable for the sort of water heating apparatus described in GB-A-2 283 155 most, and the electrical heating elements of this equipment is the plane formula element.
In additional claims, enumerated above-mentioned and other features of the present invention, from below in conjunction with accompanying drawing to recognizing these features the detailed description of specific embodiment.
Fig. 1 is the perspective view of a kind of element protection controller of designing for the present invention specially according to the method for GB-A-2 194 099 and GB-A-2 248 724;
Fig. 2 is the perspective view of a kind of wireless connected system of designing for the present invention specially according to the method for WO 94/06185;
Fig. 3 is a perspective view, and the element protection controller of presentation graphs 1 is connected to the situation at the connected system part top of Fig. 2;
Fig. 4 is an element protection controller and a connected system plane graph partly that makes up among Fig. 3;
Fig. 5 is the bottom plan view of compound mode shown in Figure 3;
Fig. 6 is a partial longitudinal section, and how the element protection controller of presentation graphs 1 and the connected system of Fig. 2 partly are connected;
Fig. 7 is the partial enlarged drawing of Fig. 6;
Fig. 8 is a kind of perspective view that changes form of the element protection controller of Fig. 1;
Fig. 9 is a kind of perspective view that changes form of the connected system part of Fig. 2;
Figure 10 is a perspective view, and the element protection controller of presentation graphs 8 is connected to the connected system part of Fig. 9 according to structure arranged side by side;
Figure 11 is an element protection controller and a connected system plane graph partly that makes up among Figure 10;
Figure 12 is the bottom plan view of compound mode shown in Figure 10;
Figure 13 is a partial longitudinal section, and how the element protection controller of presentation graphs 8 and the connected system of Fig. 9 partly are connected;
Figure 14 is the partial enlarged drawing of Figure 13;
Figure 15 and 16 and Fig. 2 and 6 similar, a kind of change form of the embodiment of presentation graphs 1 to 7;
Figure 17 and 18 and Fig. 9 and 13 similar, a kind of change form of the embodiment of presentation graphs 8 to 14.
Embodiment describes in detail
Below at first the first embodiment of the present invention is described with reference to the Fig. 1 to 7 in the accompanying drawing.Element protection controller 1 (Fig. 1) is with reference to its Fig. 3 A in GB-A-2 194 099; the change form of the sort of controller that 3B and 3C describe; or the change form of the sort of controller of describing among the GB-A-2 248 724, or the change form of the sort of controller of GB-A-2 283 155 and GB-A-2 283 156 descriptions.Below only sort controller is given briefly brightly,, also need to consult relevant specification if fully understand the various aspects and the advantage thereof of sort controller.
According to the state of the bimetal blade 2 of controller, element protection controller 1 can be by controller to electronic water heating vessels or the heating element that other equipment of sort controller are housed provides electric current.Bimetal blade 2 keeps thermo-contact closely with heating element, and the superheat state of response element and open one group of switch contact of controller inside, thereby the electric current that provides by controller is provided.Bimetal blade 2 is QA in operation, and acts on the push rod, thereby opens switch contact.The protection of compole realizes by bimetal blade 2 is installed on the support 3; support is to make with the plastic material with predetermined fusion temperature; when using controller; support is subjected to the pressure of spring; and can under the cas fortuit that the temperature that makes heating element owing to bimetal blade 1 akinesia continues to rise, take place softening; and under the effect of spring pressure, deform, thereby open one group of spring contact of controller inside.Can further understand the structure of controller 1 and the details of operation principle with reference to above-mentioned specification.
Fig. 2 is illustrated among the WO 94/06185 socket or the equipment connector intake section 4 with reference to the wireless connected system of the described a kind of plug and socket formula of its Fig. 7 to 11.Specifically, the part 130 shown in Fig. 8 B is identical among the structure of equipment connector intake section 4 and the WO 94/06185, and be fit to partly match with the plug or the equipment connector of a complementation shown in Fig. 9, the structure of equipment connector and equipment connector intake section can relatively rotate between two parts on whole 360 ° of rotation directions.Equipment connector intake section 4 comprises a cup part 5 with the roughly tubular of molded of plastic material shaping, and has a centre strut 6 that is made of central opening 7 (referring to Fig. 5).Ground wire terminal 8 is installed in the center of opening 7, and neutral terminal 9 is installed in the sidewall of opening 7, and fire line terminal 10 is installed on the outer wall of pillar 6.As shown in Figure 2, cup-shaped equipment connector intake section 4 wherein is in the position of putting upside down, ground wire, center line and fire line terminal 8,9 and 10 are connected to blade or tab terminal 11,12 and 13 separately, and center line and live wire tab terminal 12 and 13 extend upward from this part 4.
The structure of the element protection controller 1 of Fig. 1 is fit to insert according to mode shown in Figure 3 the equipment connector intake section 4 of Fig. 2, can see clearlyer in Fig. 6 and 7.As shown in Fig. 6 and 7, element protection controller 1 is made of a pair of groove 15, is provided with ring spring metal parts 16 in each groove.Be provided with an opening 17 in the bottom of each groove 15, be used for being in and during column position according to shown in Figure 3 at controller 1 and equipment connector intake section 4, insert the center line and the fire line terminal 12 of equipment connector intake section 4 respectively therein, 13, the feasible terminal 12 that is received in the groove, 13 at terminal 12,13 with withstand with solid power to form between the ring spring metal parts 16 of terminal and be electrically connected.By means of this connection, electric current just can flow into controller from connector part 4 by tab terminal 12,13 and spring metal parts 16.
The form of spring metal parts 16; the size of groove 15 and opening 17; and the relative size of terminal part 12,13, can make element protection controller 1 and equipment connector intake section 4 in the whole relative position of two parts and relative arrangement scope, realize cooperating each other.As mentioned above, the advantage that is produced thus is to satisfy the existing inevitable manufacturing tolerance of water heating vessels easily.For example, adopt the equipment connector intake section 4 of this cooperation and be attached to element protection controller 1 on the heating element of water heating vessels, can partly match with the sort of equipment connector shown in Fig. 8 A of WO 94/06185.
In accompanying drawing 8 to 14, represented an alternative embodiment of the invention; unique difference of this embodiment and the foregoing description be equipment connector intake section and element protection controller be interconnective according to relation arranged side by side; compare with first embodiment of " going up following formula ", do like this and can reduce whole height.In Fig. 8 to 14; adopted identical label with structural similarity among first embodiment and intimate parts; as can be seen from Fig. 9; center line and fire line terminal 12 and 13 flatly extend; rather than vertically extend resembling among Fig. 2, in addition, in Figure 13 and 14; the terminal 12 of equipment connector intake section 4 and 13 openings 17 by the controller side touch the spring 16 of element protection controller 1, rather than be in resembling in Fig. 6 and 7 controller below.All the embodiment with Fig. 1 to 7 is identical in other various aspects for the embodiment of Fig. 8 to 14.
Figure 15 and 16 and Figure 17 and 18 represent the distortion of above-mentioned first and second embodiment respectively, same, the label parts employed label identical with structure among Fig. 1 to 14 that uses among Figure 15 to 18 is identical.Figure 15 and 16 is just compared with Fig. 2 and 6 as can be seen; comprise in this distortion and used the sucking fit terminal component that is used for limiting center line and fire line terminal 12 and 13; the sucking fit terminal component is parts independently; it can push and be fixed on center line and live wire blade or tab terminal parts and the ground wire terminal 11; these terminals are installed in the intake section 4 of equipment connector, and have adopted difform spring 16 in element protection controller 1.In the change embodiment of Figure 17 and 18, difform sucking fit terminal component is housed on center line and live wire tab terminal.Figure 15 is identical with equipment connector intake section 4 among Figure 17 basically, uses difform sucking fit terminal component to protect controller 1 and substantially the same equipment connector intake section 4 to adapt to the structure of " going up following formula " and " installation side by side " with components identical.
From above-mentioned explanation as can be seen; described structure can adapt to the relative motion between equipment connector intake section and the element protection controller, and this motion is that the bending by the sliding contact between the spring of the tab terminal of equipment connector intake section and element protection controller and/or one or two joint and spring realizes.Required two kinds of center line and live wire are connected and can move independently, can realize any motion that must angle.The ground wire terminal joint of equipment connector intake section can be connected to by the lead-in wire of softness on the equipment; or can directly be connected on the equipment by rivet; electrical connection between element protection controller and the heating element can go between with the softness on the tab terminal 20 that is connected to controller 1 and finish; this connection can be adopted quick connect receptacle, or adopts the another kind of controller that utilizes spring to connect described in GB-A-2 285 156.The connection of steam controller also is similar.
Abovely the present invention has been described with reference to specific embodiment, apparent, under the condition that does not break away from the additional the spirit and scope of the present invention that claims limited, can also make amendment and change.For example, the present invention is not limited only to the element protection controller of described type, and is not limited only to the wireless connected system of described type.
Claims (14)
1. be used for the combination of the equipment connector intake section of a kind of element protection controller electronic firing equipment or wherein and wireless connected system; said elements protection controller and equipment connector intake section are made of parts independently, have the electric connector part that is fit to connect together on each parts.
2. according to the combination of claim 1, it is characterized in that above-mentioned electric connector partly comprise be contained in one on the above-mentioned parts the plug terminal part and be contained in female terminal part on another parts.
3. according to the combination of claim 2, it is characterized in that the tab terminal on the above-mentioned parts is adapted to be received in the terminal groove of another parts.
4. according to the combination of claim 3, it is characterized in that in above-mentioned groove, being provided with terminal springs.
5. according to the combination of arbitrary aforementioned claim, it is characterized in that above-mentioned electric connector part can connect two parts effectively in certain relative position scope.
6. according to the combination of arbitrary aforementioned claim; it is characterized in that said elements protection controller comprise be installed in the support that is subjected to thermal contraction or on bimetal piece; the action of bimetal piece can be finished its major control function, and is subjected to the support of thermal contraction can realize auxiliary or the controlled function of reserve.
7. according to the combination of arbitrary aforementioned claim, it is characterized in that the said equipment connector intake section can partly mesh with a supporting equipment connector, thereby realize the engagement of two connector parts, basically with the transverse plane of parts engagements direction in relative rotation position irrelevant.
8. according to the combination of right 7, it is characterized in that the said equipment connector intake section and the said equipment connector part are coaxial arrangement basically.
9. according to the combination of arbitrary aforementioned claim, it is characterized in that said elements protection controller is with reference to the Fig. 1 in the accompanying drawing, 8 or 16 described controllers.
10. according to the combination of arbitrary aforementioned claim, it is characterized in that the said equipment connector intake section basically as the Fig. 2 in the accompanying drawing, 9,15 or 17 is described.
11. according to the combination of arbitrary aforementioned claim, it is attached on the electrical heating elements.
12. according to the combination of claim 11, it is characterized in that above-mentioned electrical heating elements comprises the heating element on a plane, it has the element protection controller and the equipment connector intake section of the combination that is attached to the one side.
13. according to the combination of arbitrary aforementioned claim, it further comprises a supporting equipment connector part of above-mentioned wireless connected system.
14. an electric equipment, it comprises the described combination of claim 13.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9522594.2 | 1995-11-03 | ||
| GB9522594A GB2306801B (en) | 1995-11-03 | 1995-11-03 | Improvements relating to electrically powered water heating appliances and controls therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1205799A true CN1205799A (en) | 1999-01-20 |
| CN1114221C CN1114221C (en) | 2003-07-09 |
Family
ID=10783369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96199162A Expired - Lifetime CN1114221C (en) | 1995-11-03 | 1996-11-04 | Improvements relating to electrically powered water heating appliances and controls therefor |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0858672B1 (en) |
| CN (1) | CN1114221C (en) |
| AU (1) | AU728528B2 (en) |
| DE (1) | DE69609518T2 (en) |
| GB (1) | GB2306801B (en) |
| HK (1) | HK1014615A1 (en) |
| NZ (1) | NZ320495A (en) |
| WO (1) | WO1997016842A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2330064B (en) | 1997-10-07 | 2002-03-13 | Otter Controls Ltd | Improvements relating to electrically heated vessels |
| AU3617099A (en) * | 1998-04-21 | 1999-11-08 | Otter Controls Limited | Improvements relating to the control of electric heating elements |
| GB2373107B (en) * | 1998-04-21 | 2002-10-23 | Otter Controls Ltd | Improvements relating to the control of electric heating elements |
| EP1249851B1 (en) * | 1998-04-21 | 2008-11-26 | Otter Controls Limited | Improvements relating to the control of electric heating elements |
| DK199901805A (en) * | 1999-12-16 | 2001-06-17 | Pi Design Ag | Couplings for an electric consumer, especially for a coffee maker and means for securing the coupler |
| GB2364890A (en) | 2000-07-25 | 2002-02-13 | Otter Controls Ltd | Securing planar heating element in liquid heating vessel |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3384195A (en) * | 1955-04-15 | 1968-05-21 | Sunbeam Corp | Electric frying pan |
| US3231717A (en) * | 1963-11-15 | 1966-01-25 | Texas Instruments Inc | Electrically heated vessel and detachable temperature-regulating connector therefor |
| IT1187602B (en) * | 1985-11-05 | 1987-12-23 | Bruno Martinetti | UNIVERSAL SWITCH WITH TABS INTEGRAL CONTACTORS |
| GB8618372D0 (en) * | 1986-07-28 | 1986-09-03 | Otter Controls Ltd | Thermal control units |
| AU687361B2 (en) * | 1992-09-02 | 1998-02-26 | Otter Controls Limited | Charging unit for cordless appliances |
-
1995
- 1995-11-03 GB GB9522594A patent/GB2306801B/en not_active Expired - Fee Related
-
1996
- 1996-11-04 AU AU73234/96A patent/AU728528B2/en not_active Ceased
- 1996-11-04 EP EP96935159A patent/EP0858672B1/en not_active Expired - Lifetime
- 1996-11-04 DE DE69609518T patent/DE69609518T2/en not_active Expired - Fee Related
- 1996-11-04 NZ NZ320495A patent/NZ320495A/en unknown
- 1996-11-04 WO PCT/GB1996/002690 patent/WO1997016842A1/en active IP Right Grant
- 1996-11-04 CN CN96199162A patent/CN1114221C/en not_active Expired - Lifetime
-
1998
- 1998-12-28 HK HK98115779A patent/HK1014615A1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| WO1997016842A1 (en) | 1997-05-09 |
| HK1014615A1 (en) | 1999-09-30 |
| GB2306801B (en) | 1999-09-01 |
| AU728528B2 (en) | 2001-01-11 |
| DE69609518T2 (en) | 2000-12-14 |
| GB2306801A (en) | 1997-05-07 |
| NZ320495A (en) | 2000-02-28 |
| EP0858672B1 (en) | 2000-07-26 |
| DE69609518D1 (en) | 2000-08-31 |
| GB9522594D0 (en) | 1996-01-03 |
| AU7323496A (en) | 1997-05-22 |
| EP0858672A1 (en) | 1998-08-19 |
| CN1114221C (en) | 2003-07-09 |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: OTTER CONTROLS (SHENZHEN) CO., LTD Free format text: FORMER OWNER: OTTER CONTROLS LIMITED Effective date: 20100726 |
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Free format text: CORRECT: ADDRESS; FROM: DERBYSHIRE UK TO: 518108 SANLIAN INDUSTRIAL ZONE, SHIYAN TOWN, BAOAN DISTRICT, SHENZHEN CITY |
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Effective date of registration: 20100726 Address after: 518108 Sanlian Industrial Zone, Shiyan Town, Shenzhen, Baoan District Patentee after: Ferro Techniek Holding B V Address before: Derby County Patentee before: Otter Controls Limited |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160602 Address after: 516035 Guangdong province Huizhou City Zhongkai high tech Zone Lilin town Diego Shilong village Huizhou Yi Shen Electronic Technology Park Patentee after: Otter controls (Huizhou) Co., Ltd. Address before: 518108 Sanlian Industrial Zone, Shiyan Town, Shenzhen, Baoan District Patentee before: Ferro Techniek Holding B V |
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| CX01 | Expiry of patent term |
Granted publication date: 20030709 |
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| EXPY | Termination of patent right or utility model |