CN1206689C - Circuit breaker - Google Patents
Circuit breaker Download PDFInfo
- Publication number
- CN1206689C CN1206689C CN 01140678 CN01140678A CN1206689C CN 1206689 C CN1206689 C CN 1206689C CN 01140678 CN01140678 CN 01140678 CN 01140678 A CN01140678 A CN 01140678A CN 1206689 C CN1206689 C CN 1206689C
- Authority
- CN
- China
- Prior art keywords
- nylon
- crystalline polyamide
- gabarit
- circuit
- breaker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/025—Constructional details of housings or casings not concerning the mounting or assembly of the different internal parts
- H01H71/0257—Strength considerations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Reinforced Plastic Materials (AREA)
- Breakers (AREA)
- Organic Insulating Materials (AREA)
Abstract
A housing of a circuit breaker is provided, which is satisfactory in impact resistance and can be applied to high breaking capacity use, and is satisfactory in flame retardancy and strength properties and exhibits less mottled blooming. The base of a circuit breaker includes 20 wt% of nylon 66, 9 wt% of nylon 6, 4 wt% of nylon 6T, 42 wt% of a glass fiber, 13 wt% of polybromostyrene, 4 wt% of antimony trioxide, 8 wt% of an ethylene/alpha-olefin copolymer, and 0.3 wt% of carbon black.
Description
Technical field
The present invention relates to when overcurrent takes place the circuit-breaker of circuit breaker is specifically related to a kind of circuit-breaker with thermoplastic resin gabarit of good flame retardancy, resistance to impact and intensity.
Background technology
Have in recent years and consider the motion that to carry out the shaping of fine part and adopt the circuit-breaker of thermoplastic resin.For example, having disclosed a kind of in Japanese patent laid-open 8-171831 communique is the drip molding of main resin with nylon 6 and nylon 66, wherein nylon 6 is 35-39wt% (percentage by weight), nylon 66 is 8-12wt%, nylon MXD 6 is 1-3wt%, ethylene/alpha-olefin interpolymer is 7-9wt%, and strengthening material is 40-45wt%.Because this drip molding is with specific cooperation ratio other elastomers to be cooperated, so be especially suitable for use as the case of the circuit-breaker of the high breaking capacity that can bear the rapid pressure rising that occurs in gabarit inside when opening circuit.
Yet, in recent years the requirement of the fail safe of circuit-breaker is improved constantly and require the flame retardancy of higher flame retardancy, for example IEC (International Electrotechnical Commission) 60947 or UL746C regulation, and the drip molding of above-mentioned existing circuit-breaker flame retardancy and insufficient when being especially in use in pedestal.
Therefore, the inventor forms by the incombustible agent of the about 20wt% of cooperation in the material of above-mentioned circuit-breaker in the past (is that incombustible agent and antimony system difficult combustion auxiliary agent are formed by halogen), can obtain drip molding more good aspect flame retardancy.But this drip molding has a strong impact on the outward appearance of gabarit because of whiting gabarit surface becomes graniphyric.For preventing whiting, though can consider to increase the cooperation ratio of nylon MXD 6, but the percentage by weight of nylon MXD 6 must reach tens wt% in this case, and the mix proportion of other compounding ingredients makes resistance to impact and strength characteristics worsen thereupon changing, and, increase owing to have the mix proportion of the nylon MXD 6 of aromatic rings, the insulation characterisitic after opening circuit will worsen.
Here, so-called whiting is meant that the strengthening material of glass fibre etc. or halogen are that incombustible agent, antimony are the surface of incombustible agent, elastomer emersion drip molding and seem to turn white, especially influencing outward appearance for dark under as the situation of black at drip molding, be that light color is next little to appearance effects as white situation at drip molding.
In addition, constitute the pedestal or the case thinner thickness of the gabarit of the circuit breaker that opens circuit, and screw inserting hole or reinforcement or next door etc. are set, during shaping especially resin from thinner thickness portion when thicker of thickness is mobile, resin flow is changed near turbulent state from laminar flow, the distribution that contains the strengthening material, incombustible agent, elastomer etc. of resin becomes inhomogeneous, compares easy the whiting with the framework that only is made of flat wall.
Summary of the invention
The present invention is intended to address the above problem, and its purpose is to provide a kind of to be had good resistance to impact and can be applicable to high breaking capacity, while flame retardancy and the circuit-breaker that strength characteristics is good and its gabarit graniphyric whitens.
Circuit-breaker of the present invention comprises: the movable contact with the movable side joint point that is oppositely arranged with the fixation side contact, the open-close mechanism section that this movable contact is opened and closed, and the gabarit of ccontaining these movable contacts and open-close mechanism section, when overcurrent or leakage current are detected, make the open-close mechanism section action and make between the above-mentioned contact separately, the part of above-mentioned gabarit is for comprising crystalline polyamide, non-crystalline polyamide, elastomer, strengthening material, incombustible agent, and become the drip molding of material of the colouring agent of black, drip molding comprises the crystalline polyamide of 15-35wt%, non-crystalline polyamide of 2-12wt%, the elastomer of 3-10wt%, the strengthening material of 30-55wt%, the incombustible agent of 10-20wt%.
In addition, preferably crystalline polyamide is at least one side of nylon 6 and nylon 66 or both copolymer materials, non-crystalline polyamide is at least one side of nylon 6T and nylon 6I or both copolymer materials, strengthening material is a glass fibre, and incombustible agent is that halogen is the mixture of incombustible agent and antimony system difficult combustion auxiliary agent.
In addition, crystalline polyamide is a nylon 66.
In addition, the part of gabarit is for constituting the pedestal of this gabarit.
Circuit-breaker of the present invention is owing to comprise: the movable contact with the movable side joint point that is oppositely arranged with the fixation side contact, the open-close mechanism section that this movable contact is opened and closed, and the gabarit of ccontaining these movable contacts and open-close mechanism section, when overcurrent or leakage current are detected, make the open-close mechanism section action and make between the above-mentioned contact separately, it is characterized in that, the part of above-mentioned gabarit is for comprising crystalline polyamide, non-crystalline polyamide, elastomer, strengthening material, incombustible agent, and become the drip molding of material of the colouring agent of black, have good resistance to impact and also can be applicable to high breaking capacity so can provide a kind of, while flame retardancy and the circuit-breaker that strength characteristics is good and its gabarit seldom has graniphyric to whiten.
In addition, because drip molding comprises the crystalline polyamide of 15-35wt%, non-crystalline polyamide of 2-12wt%, the elastomer of 3-10wt%, the strengthening material of 30-55wt%, the incombustible agent of 10-20wt%, so when having good resistance to impact, and have good flame retardancy, intensity and whiting characteristic.
In addition, because crystalline polyamide is at least one side of nylon 6 and nylon 66 or both copolymer materials, non-crystalline polyamide is at least one side of nylon 6T and nylon 6I or both copolymer materials, strengthening material is a glass fibre, incombustible agent is that halogen is the mixture of incombustible agent and antimony system difficult combustion auxiliary agent, so when having good resistance to impact, and have good flame retardancy, intensity and whiting characteristic.
In addition, because crystalline polyamide is a nylon 66, so have good thermal endurance.
In addition, because the part of gabarit is for constituting the pedestal of this gabarit, has the good resistance to impact while and have good flame retardancy, intensity and whiting characteristic, safe circuit-breaker so can provide.
The accompanying drawing simple declaration
Fig. 1 is the profile skeleton diagram of the invention process form 1.
Fig. 2 is the skeleton diagram after the case of Fig. 1 is unloaded.
Embodiment
Example 1:
Fig. 1 is the profile skeleton diagram of the invention process form 1.Fig. 2 is the skeleton diagram after the case of Fig. 1 is unloaded.Among Fig. 1 and Fig. 2,2 for being covered the pedestal that covers by case 1, by not shown mounting screw gabarit is installed and formed to case 1 and pedestal 2 one.The composition of gabarit will be narrated in the back.3 for remaining on swingably as the movable contact on the transverse arm 4 of the drip molding of insulative resin, and the one end is relative with not shown fixation side contact to be provided with movable side joint point.5 for carrying out the handle of opening and closing operations through 4 pairs of movable contacts of transverse arm 3 from case 1 outside, be arranged on upper end among the Fig. 2 that for example is documented in the open-close mechanism section with known elbow type mechanism 6 in the Japanese patent laid-open 9-161641 communique.7 make the overcurrent tripper (bi-metal and electromagnetic spool device) of trip(ping) bar 9 along clockwise direction swing among Fig. 2 during for detection of excessive current.11 for carrying out known deionization grid (de-ionizing grid) device of extinguishing arc to electric arc.
Action when below the explanation overcurrent opens circuit.
In a single day the above overcurrent of predetermined value takes place during energising, and overcurrent tripper 7 promptly moves, and makes trip(ping) bar 9 along clockwise direction swing among Fig. 2.By the swing of trip(ping) bar 9, make trip(ping) bar 9 engage disengagement with hasp between the open-close mechanism section 6, open-close mechanism section 6 actions and make movable contact 3 along make movable side joint point along and the fixation side contact separate direction and move (this action is commonly referred to as tripping operation and moves).In this when action tripping operation, corresponding to the size of overcurrent the fixation side contact with between the side joint point electric arc takes place movably.From the drip molding generation decomposition gas of two contacts periphery and gabarit inside, the gabarit pressure inside sharply rises by this electric arc.This pressure constitutes the case 1 of gabarit and pedestal 2 to impact.
Below explanation constitutes the case 1 of gabarit and the composition of pedestal 2.
Gabarit be comprise crystalline polyamide, non-crystalline polyamide, elastomer, strengthening material, incombustible agent and become the drip molding of material of the colouring agent of black.The drip molding that preferably comprises following composition: at least a, mixture or copolymer as nylon 66, nylon 46 and the nylon 6 of crystalline polyamide are 15-35wt%; As the nylon 6T of non-crystalline polyamide and/or nylon 6I or both copolymer is 2-12wt%; Ionomer as elastomeric ethylene/alpha-olefin interpolymer or polyolefin copolymers is 3-10wt%; Glass fibre or ceramic fibre as strengthening material are 30-55wt%; Halogen as incombustible agent is that incombustible agent (poly-bromoacetylene etc.) and antimony system's difficult combustion auxiliary agent (antimony trioxide, antimony pentaoxide, metaantimmonic acid soda etc.) are 10-20wt%; Carbon black as black colorant is 0.1-1.0wt%, is preferably 0.2-0.5wt%.
Resistance to impact during the electric arc extinguishing arc of this drip molding is good equally with the drip molding of record in the past, and machining accuracy height, forming accuracy is good, flame retardancy and strength characteristics are good, it is less that its surface and the drip molding that with glossiness thermosetting resin is principal component are compared gloss, gives the white partially on the whole impression of people, and piebald whiting is few, can not give the impression of defective products, be suitable for gabarit as circuit-breaker.In addition, as this drip molding being used for case 1 and the case 2 as the gabarit of circuit-breaker, then private side is comparatively desirable because of obtaining the high and fine drip molding of machining accuracy.
In addition, because nylon 6, nylon 66 and nylon 46 do not have aromatic ring, the insulation property after opening circuit are good.
In addition, as crystalline polyamide, situation during 66 combinations of nylon 6 and nylon is compared separately the time with nylon 66, more further the situation of nylon 6 separately the time with nylon 6 is compared during with nylon 66 combinations, the crystallization speed of resin is slack-off, still less whiting takes place and satisfactory.Especially satisfactory under the situation of giving the bigger case 1 of people's outward appearance impression.On the other hand, because melting point uprises and instantaneous excellent heat resistance when adopting nylon 66 and nylon 46 as crystalline polyamide, so satisfactory under the situation of pedestal 2.
The cooperation ratio of above-mentioned drip molding is in view of following reason.
When the total amount of nylon 66 and nylon 6 was lower than 15wt%, the mixing of material and shaping were all difficult, and on the other hand, when surpassing 35wt%, incombustible agent, strengthening material and elastomeric cooperation ratio reduce flame retardancy, intensity or deterioration of impact resistance relatively.In addition, when nylon 66 is 18-22wt%, flame retardancy, thermal endurance and good strength.
When the total amount of nylon 6T and nylon 6I was lower than 2wt%, it was noticeable to whiten, and on the other hand, when surpassing 12wt%, incombustible agent, strengthening material and elastomeric cooperation ratio reduce flame retardancy, intensity or deterioration of impact resistance relatively.
When the ionomer of ethylene/alpha-olefin interpolymer or polyolefin copolymers is lower than 3wt%, deterioration of impact resistance; On the other hand, when surpassing 10wt%, incombustible agent, strengthening material and elastomeric cooperation ratio reduce flame retardancy, intensity or deterioration of impact resistance relatively.
When glass fibre is lower than 30wt%, the intensity variation; On the other hand, when surpassing 55wt%, then whiten easily, the mixing of material and shaping are all difficult, and incombustible agent, strengthening material and elastomeric cooperation ratio reduce flame retardancy or deterioration of impact resistance relatively.
When halogen is that the total amount of incombustible agent and antimony system difficult combustion auxiliary agent is when being lower than 12wt%, flame retardancy is insufficient, on the other hand, when surpassing 55wt%, then whiten easily, the mixing of material and the difficulty that is shaped all, and strengthening material or elastomeric cooperation ratio reduce intensity or deterioration of impact resistance relatively.
Embodiment 1
The inventor forms by the gabarit that following test draws suitable circuit-breaker.
1. compounding ingredient
Adopt following material and the cooperation ratio shown in the table 1.
(1) polyamide
As crystalline polyamide, adopt nylon 6T and nylon 6I to be used as nylon 66, nylon 6, non-crystalline polyamide.
(2) elastomer
As elastomer, adopt ethylene/alpha-olefin interpolymer.
(3) strengthening material
Strengthening material is because of being used to improve intensity and rigidity, so select more than one in the group of glass fibre and ceramic fibre formation.In embodiment 1, use glass fibre.
Glass fibre is because of with good as the Combination of the nylon 6 of main resin, nylon 66, and evenly cooperates with drip molding, do not have local weak point, and resistance to impact is good; In addition, because glass originally as the good material of thermal endurance, so the thermal endurance of the insulation of drip molding formation thing is good, can bear the outburst shape air pressure and the heat of electric arc.Glass fibre can be the fibrous material that glass constitutes, and as glass material E glass, S glass, D glass or T glass etc. is arranged.As fiberglass products long fibre, short fiber or mineral wool etc. are arranged.Strengthening material as nylon-type is good with short fiber.The diameter of glass fibre is the 6-13 micron, and from the compressive resistance aspect, average length and diameter ratio are preferable more than 10.In addition, in glass fibre, carry out processed from preferable aspect the compressive resistance with inorganic agents such as Silene (silane) bridging agents.
(4) incombustible agent
As incombustible agent, will mix use with the poly-bromoacetylene that as halogen is incombustible agent as the antimony trioxide of antimony system difficult combustion auxiliary agent.
(5) black colorant
Adopt carbon black as black colorant.
In addition, the cooperation ratio of carbon black is a small amount of, is 0.3wt%, for simplicity, this cooperation ratio that is comprised in the nylon 66 is shown.
The cooperation of sample 01-03:
Sample 01: nylon 66 is 20wt%; Nylon 6 is 9wt%; Nylon 6T is 4wt%; Glass fibre is 42wt%; Poly-bromoacetylene is 13wt%; Antimony trioxide is 4wt%; Ethylene/alpha-olefin interpolymer is 8wt%.
Sample 02: nylon 66 is 20wt%; Nylon 6T is 8wt%; Nylon 6I is 2wt%; Glass fibre is 42wt%; Poly-bromoacetylene is 16wt%; Antimony trioxide is 4wt%; Ethylene/alpha-olefin interpolymer is 8wt%.
Sample 03: nylon 66 is 18wt%; Nylon 6I is 6wt%; Nylon 6T is 5wt%; Glass fibre is 55wt%; Poly-bromoacetylene is 10wt%; Antimony trioxide is 3wt%; Ethylene/alpha-olefin interpolymer is 3wt%.
The compounding ingredient of comparative example 1-4:
Comparative example 1 is according to the composition of the drip molding shown in the Japanese patent laid-open 8-171831 communique of above-mentioned prior art, includes nylon 66, nylon 6, nylon MXD 6, glass fibre, elastomer.
Comparative example 2 is the composition according to the drip molding shown in the Japanese patent laid-open 6-299068 communique of above-mentioned prior art, includes nylon 66, nylon 6, nylon 6T, glass fibre, as the clay of inorganic mineral.
Comparative example 3 is according to the composition of the drip molding shown in the Japanese patent laid-open 6-299068 communique of above-mentioned prior art, includes nylon 66, nylon 6T, glass fibre.
Comparative example 4 includes nylon 66, glass fibre, elastomer, incombustible agent for all forming according to drip molding of the present invention except that not comprising the amorphous nylon.
In addition, though in Japanese patent laid-open 6-299068 communique, do not disclose and inform and will use black colorant, for the whiting contrast of the sample 01,02,03 of embodiment 1, add a spot of carbon black with sample 01,02 is same.
Also have, the composition example of the Japanese patent laid-open 6-299068 communique of in the explanation of comparative example 2,3, quoting for only polyamide 66 and polyamide 6 T being cooperated, then do not touch upon for whiting, and since the cause that contains that kaolin clay is more, resistance to impact is low etc. can not use as the gabarit of circuit-breaker.
Table 1
| Nylon 66 | Nylon 6 | Nylon MXD 6 | Nylon 6T | Nylon 6I | Glass fibre | Halogen | Antimony | Elastomer | Clay | |
| Comparative example 1 | 37 | 10 | 2 | 0 | 0 | 42 | 0 | 0 | 9 | 0 |
| Comparative example 2 | 29 | 15 | 0 | 15 | 0 | 15 | 0 | 0 | 0 | 26 |
| Comparative example 3 | 30 | 16 | 0 | 16 | 0 | 38 | 0 | 0 | 0 | 0 |
| Comparative example 4 | 30 | 0 | 0 | 0 | 0 | 42 | 16 | 4 | 8 | 0 |
| 01 | 20 | 9 | 0 | 4 | 0 | 42 | 13 | 4 | 8 | 0 |
| 02 | 20 | 0 | 0 | 8 | 2 | 42 | 16 | 4 | 8 | 0 |
| 03 | 18 | 6 | 0 | 5 | 0 | 55 | 10 | 3 | 3 | 0 |
2. shaping order and test portion sheet
The pedestal 2 of test film and gabarit will inject 70 ℃ mould and to be shaped cooling time of 80 seconds at 280 ℃ of resins that mix down by 250 tons of forming machines.
3. evaluation method
(1) flame retardancy
Test is carried out according to IEC60695-2-1/2.
Test film is of a size of long 70mm * wide 70mm * high 1mm, adopt aura line (glow wire) burning test machine (manufacturing of ス ガ testing machine Co., Ltd.), the front end temperature that makes the aura line is 960 ℃, and it is qualified that the following does not all satisfy the person, does not satisfy each person and is defective.
Condition 1: the front end of aura line was placed on test film 30 seconds, the aura line is taken away the flame of back test film or scorching hot when disappearing in 30 seconds.
Condition 2: the packing that places test film below is with thin paper when missing of ignition.
(2) resistance to impact
Adopt the pedestal 2 (being of a size of long 90mm * wide 130mm * high 35mm) of 100 tons of frameless circuit-breakers, crackle with AC460V and after carrying out the short interruption test of 2 25kA, does not take place then for qualified as this pedestal 2 in the assembling circuit circuit breaker.
(3) outward appearance whiting
Outward appearance aberration according to the pedestal 2 of circuit-breaker carries out quantitative assessment.
Pass through S﹠amp; M color computer SM-4 (manufacturing of ス ガ testing machine Co., Ltd.) at 3 positions respectively of the side 2b (with reference to Fig. 2) of the side (not shown) of the mains side of pedestal 2 and load side, add up to 6 positions to measure with the condition of 2 light paths, mask φ 10.
As concrete sample, adopting thermosetting resin is the composition (unsaturated polyester (UP) 25wt%, aluminium hydroxide 56wt%, glass fibre 18.7wt%, carbon black 0.3wt%) of principal component, and adopt the authentic specimen of the die forming of the pedestal of using with 100 amperes of frameworks 2, with test piece equally at 3 positions respectively of the side 2b of the side of mains side and load side, add up to 6 positions to measure.This authentic specimen is principal component with the thermosetting resin, the surface is extremely glossy and the whiting seldom.
The aberration of the mean value of the measured value at the mean value of the measured value at 6 positions of authentic specimen and 6 positions of test piece is to be qualified below 8.5, and it then is defective surpassing 8.5.
When the outward appearance of the pedestal 2 by the visualization circuit-breaker, as graniphyric whiting part be no more than 5% of the gross area be equivalent to qualified.
4. result of the test
Table 2 illustrates the result of the test of above-mentioned evaluation method.
Sample 01,02,03 flame retardancy, resistance to impact, intensity and whiting characteristic good are applicable to the gabarit of circuit-breaker.In addition, the thermal endurance of sample 02 is better than sample 01, is applicable to pedestal 2.On the other hand, the whiting characteristic of sample 01 is better than sample 03, is applicable to case 1.The creep resistant of sample 03 is good, is applicable to the pedestal 2 of the circuit-breaker of high temperature, high stress.
The flame retardancy of comparative example 1 is poor, the flame retardancy of comparative example 2,3 and resistance to impact inequality, and most of zone, comparative example 4 surfaces is poor because of the visible piebald outward appearance whiting characteristic that whitens, and the gabarit that is used as circuit-breaker will be inferior to sample 01,02,03.
Table 2
| Flame retardancy | Resistance to impact | The outward appearance whiting | |
| Comparative example 1 | × | ○ | ○ |
| Comparative example 2 | × | × | ○ |
| Comparative example 3 | × | × | ○ |
| Comparative example 4 | ○ | ○ | × |
| 01 | ○ | ○ | ○ |
| 02 | ○ | ○ | ○ |
| 03 | ○ | ○ | ○ |
Claims (4)
1. circuit-breaker, comprise: movable contact with the movable side joint point that is oppositely arranged with the fixation side contact, the open-close mechanism section that described movable contact is opened and closed, and the gabarit of ccontaining these movable contacts and open-close mechanism section, when overcurrent or leakage current are detected, make the open-close mechanism section action and make between the described contact separately
It is characterized in that, the part of described gabarit be comprise crystalline polyamide, non-crystalline polyamide, elastomer, strengthening material, incombustible agent and become the drip molding of material of the colouring agent of black; Described drip molding comprises the crystalline polyamide of 15-35wt%, non-crystalline polyamide of 2-12wt%, the elastomer of 3-10wt%, the strengthening material of 30-55wt%, the incombustible agent of 10-20wt%.
2. circuit-breaker as claimed in claim 1, it is characterized in that, described crystalline polyamide is at least one side of nylon 6 and nylon 66 or both copolymer materials, described non-crystalline polyamide is at least one side of nylon 6T and nylon 6I or both copolymer materials, described strengthening material is a glass fibre, and described incombustible agent is that halogen is the mixture of incombustible agent and antimony system difficult combustion auxiliary agent.
3. circuit-breaker as claimed in claim 2 is characterized in that, described crystalline polyamide is a nylon 66.
4. as each described circuit-breaker among the claim 1-3, it is characterized in that the part of described gabarit is for constituting the pedestal of described gabarit.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP085013/01 | 2001-03-23 | ||
| JP2001085013A JP2002289083A (en) | 2001-03-23 | 2001-03-23 | Circuit breaker |
| JP085013/2001 | 2001-03-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1377054A CN1377054A (en) | 2002-10-30 |
| CN1206689C true CN1206689C (en) | 2005-06-15 |
Family
ID=18940597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01140678 Expired - Fee Related CN1206689C (en) | 2001-03-23 | 2001-09-17 | Circuit breaker |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1244128B1 (en) |
| JP (1) | JP2002289083A (en) |
| CN (1) | CN1206689C (en) |
| DE (1) | DE60129201T2 (en) |
| ES (1) | ES2286063T3 (en) |
| TW (1) | TW517258B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10331169A1 (en) * | 2003-07-09 | 2005-02-10 | Basf Ag | Housing shell for an electronic device |
| EP2924065A1 (en) * | 2014-03-26 | 2015-09-30 | LANXESS Deutschland GmbH | Polyamide compositions |
| EP2924068A1 (en) * | 2014-03-26 | 2015-09-30 | LANXESS Deutschland GmbH | Polyamide compositions |
| EP2924067A1 (en) * | 2014-03-26 | 2015-09-30 | LANXESS Deutschland GmbH | Polyamide compositions |
| CN106366656B (en) * | 2016-09-26 | 2018-12-21 | 五行科技股份有限公司 | A kind of high-intensitive high apparently high glass fiber reinforced nylon material and preparation method thereof |
| EP3604447B1 (en) | 2017-03-30 | 2023-08-16 | Asahi Kasei Kabushiki Kaisha | Polyamide composition and molded article |
| JP7023723B2 (en) * | 2018-01-22 | 2022-02-22 | 旭化成株式会社 | Polyamide composition and molded products |
| KR102389730B1 (en) * | 2020-04-02 | 2022-04-22 | 엘에스일렉트릭(주) | Arc extinguishing assembly and circuit breaker having the same |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07103309B2 (en) * | 1987-04-20 | 1995-11-08 | 三井石油化学工業株式会社 | Polyamide composition |
| US5290835A (en) * | 1991-10-01 | 1994-03-01 | Teijin Limited | Electrical and electronic parts formed of polybutylene naphthalenedicarboxylate |
| JP3298340B2 (en) * | 1994-12-16 | 2002-07-02 | 三菱電機株式会社 | Switch insulation components |
| JP3016344B2 (en) * | 1994-12-19 | 2000-03-06 | 三菱電機株式会社 | Switch |
| JPH1196882A (en) * | 1997-09-19 | 1999-04-09 | Hitachi Ltd | Circuit breaker |
| JP2000204241A (en) * | 1999-01-08 | 2000-07-25 | Ube Ind Ltd | Polyamide resin composition having excellent weld strength |
| EP1083203A1 (en) * | 1999-01-18 | 2001-03-14 | Mitsubishi Denki Kabushiki Kaisha | Switch |
| JP2000248172A (en) * | 1999-02-26 | 2000-09-12 | Unitika Ltd | Polyamide resin composition and self-tapping component made therefrom |
-
2001
- 2001-03-23 JP JP2001085013A patent/JP2002289083A/en active Pending
- 2001-08-21 TW TW90120457A patent/TW517258B/en active
- 2001-09-06 EP EP20010120748 patent/EP1244128B1/en not_active Expired - Lifetime
- 2001-09-06 ES ES01120748T patent/ES2286063T3/en not_active Expired - Lifetime
- 2001-09-06 DE DE2001629201 patent/DE60129201T2/en not_active Expired - Lifetime
- 2001-09-17 CN CN 01140678 patent/CN1206689C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2002289083A (en) | 2002-10-04 |
| CN1377054A (en) | 2002-10-30 |
| DE60129201D1 (en) | 2007-08-16 |
| EP1244128A2 (en) | 2002-09-25 |
| EP1244128B1 (en) | 2007-07-04 |
| ES2286063T3 (en) | 2007-12-01 |
| DE60129201T2 (en) | 2008-03-06 |
| EP1244128A3 (en) | 2004-04-14 |
| TW517258B (en) | 2003-01-11 |
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