KR100286544B1 - Fuse connector - Google Patents

Fuse connector Download PDF

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Publication number
KR100286544B1
KR100286544B1 KR1019970059312A KR19970059312A KR100286544B1 KR 100286544 B1 KR100286544 B1 KR 100286544B1 KR 1019970059312 A KR1019970059312 A KR 1019970059312A KR 19970059312 A KR19970059312 A KR 19970059312A KR 100286544 B1 KR100286544 B1 KR 100286544B1
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KR
South Korea
Prior art keywords
side walls
fuse
holder
pair
fuses
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KR1019970059312A
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Korean (ko)
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KR19990039278A (en
Inventor
임동빈
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윤종용
삼성전자주식회사
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Priority to KR1019970059312A priority Critical patent/KR100286544B1/en
Publication of KR19990039278A publication Critical patent/KR19990039278A/en
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Publication of KR100286544B1 publication Critical patent/KR100286544B1/en

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    • 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
    • H01H85/20—Bases for supporting the fuse; Separate parts thereof
    • H01H85/202—Bases for supporting the fuse; Separate parts thereof for fuses with ferrule type end contacts
    • 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
    • H01H85/20—Bases for supporting the fuse; Separate parts thereof
    • H01H85/205—Electric connections to contacts on the base

Abstract

PURPOSE: A fuse connector is provided to prevent a transformation of a holder and increase a thermal contact resistance rate by exactly connecting a fuse to a predetermined location of a holder. CONSTITUTION: Both side walls(102) are vertically bent at a holder(100) and holds both end contacting portions of fuses by an elastic force when the fuses are inserted into a bottom surface(101). An mounting surface(103) is formed at one side of each of the both side walls(102). When the both end contacting portions of fuses are inserted between the both side walls(102), the fuses are stably mounted by the mounting surface(103). A lead(104) is bent at a center of the bottom surface(101) so that the holder(100) passes through a hole of a printed circuit board and protrudes to a rear surface when the holder(100) is mounted at an upper surface of the printed circuit board. A connecting portion(105) is formed at an upper portion of each of the both side walls(102). The connecting portion(105) prevents areas of remaining both side walls(103) other than an area of the mounting surface(103) from being widened. A pair of slits(106) are bent at a lower end of each of the both side walls(102).

Description

퓨즈 취부장치Fuse Mounting Device

본 발명은 퓨즈 취부장치에 관한 것으로서, 더욱 상세하게는 전자렌지에 사용되는 노이즈필터(Noise Filter) 어세이부에 설치된 퓨즈(Fuse)와 홀더와의 결합시 발생되는 접촉불량을 없애도록 한 퓨즈 취부장치에 관한 것이다.The present invention relates to a fuse attaching device, and more particularly, a fuse attaching device for removing contact defects generated when a fuse and a holder installed in a noise filter assembly used in a microwave oven are combined. It is about.

일반적으로 노이즈필터 어세이부는, 도1에 도시한 바와같이 인쇄회로기판(10)의 상면에 시멘트저항(20), 세라믹콘덴서(30), 노이즈제거를 위한 쵸크코일(40), 컨넥터(50)등이 납땜에 의해 실장(實裝)되어 있고, 그 상면 일측에는 규정 이상의 전류가 흐르면 가열되어 녹아 끊어지면서 전기회로를 자동적으로 오프시키도록 과전압용 퓨즈(60), 써지차단용 퓨즈(61)가 장착되어 있다.In general, as shown in FIG. 1, the noise filter assembly includes a cement resistor 20, a ceramic capacitor 30, a choke coil 40 for removing noise, and a connector 50 on an upper surface of the printed circuit board 10. The back is mounted by soldering, and on one side of the upper surface, an overvoltage fuse 60 and a surge blocking fuse 61 are turned on to automatically turn off the electric circuit while heating and melting when a current exceeding a prescribed value flows. It is installed.

이때, 상기 퓨즈(60)(61)는 도2 및 도3에 도시한 바와 같이 교체가능하도록 그 양단에 설치된 접촉부(62)가 상기 인쇄회로기판(1)에 납땜에 의해 장착되는 한쌍의 홀더(70)에 의해 각각 탄력적으로 결합되어 있다.At this time, the fuse (60) (61) is a pair of holders that are mounted on the printed circuit board (1) by soldering the contact portion 62 installed at both ends thereof so as to be replaceable as shown in Figs. 70) are elastically coupled to each other.

즉, 상기 홀더(70)의 바닥면(71) 좌우측에는 상기 퓨즈(60)(61)가 상부를 통해 삽입될 때 퓨즈(60)(61)의 양단 접촉부(62)를 일정압력의 탄발력에 의해 잡아주도록 직각되게 양측벽(72)이 절곡되어 있고, 상기 양측벽(72)의 중간높이 일측단에는 상기 퓨즈(60)(61)의 접촉부(62)가 상부에서 양측벽(72)의 사이로 삽입될 때 일정높이에 안착되면서 길이방향으로 이탈되지 않도록 바깥방향으로 오목한 반원형상의 안착면(73)이 형성되어 있으며, 상기 바닥면(71)의 전후단 중앙에는 홀더(70)가 상기 인쇄회로기판(10)의 상면에 안착될 때 인쇄회로기판(10)의 구멍(11)을 관통하여 후면으로 돌출됨과 동시에 납땜되도록 직각되게 리드(74;Lead)가 각각 절곡되어 있다.That is, the left and right sides of the bottom surface 71 of the holder 70 when the fuse (60) (61) is inserted through the upper portion of the contact portion 62 of the fuse (60) (61) to the elastic force of a constant pressure Both side walls 72 are bent at right angles so as to be grasped, and at one end of the middle height of the both side walls 72, the contact portions 62 of the fuses 60 and 61 are disposed between the two side walls 72 from the top. A semicircular seating surface 73 is formed to be recessed in an outward direction so as not to be separated in the longitudinal direction while being seated at a predetermined height when inserted. A holder 70 is formed at the center of the front and rear ends of the bottom surface 71 of the printed circuit board. Leads 74 are bent at right angles so as to penetrate the holes 11 of the printed circuit board 10 to protrude to the rear side and to be soldered at the same time when they are seated on the upper surface of the 10.

그러나, 이와 같이 구성된 종래에 의한 퓨즈 취부장치에 의하면, 퓨즈(60)(61)의 접촉부(62)를 홀더(70)의 양측벽(72) 상부 개구를 통하여 압입할 때 그 양측벽(72)이 벌어졌다 좁혀지는 탄발력에 의해 삽입되면서 야윽벽(72)의 중간높이에 형성된 안착면(73)에 안착되어 결합이 이루어지는 구조로 되어 있으나, 이러한 구조는 퓨즈(60)(61)를 도3에 표시한 화살표방향과 같이 수직방향으로 무리하게 압입할 경우 양측벽(72)이 바깥방향으로 심하게 벌어지기 때문에 퓨즈(60)(61)의 접촉부(62)가 안착면(73)에 안착되더라도 양측벽(72)이 제대로 복원되지 않음에 따라 양측벽(72)과 퓨즈(60)(61)의 접촉부(62)와의 접촉불량이 발생되어 접촉 열저항율을 감소시킨다는 문제점이 있었다.However, according to the conventional fuse mounting apparatus configured as described above, when the contact portions 62 of the fuses 60 and 61 are press-fitted through the upper openings of the side walls 72 of the holder 70, the side walls 72 of the fuse 70 are pressed. Although the gap is inserted by the elastic force that is opened and narrowed to the seating surface 73 formed at the middle height of the yak wall 72 has a structure that is coupled, but such a structure is a fuse 60, 61 is shown in Figure 3 In case of excessively press-fitting in the vertical direction as shown by the arrow direction shown in Fig. 2, both sides of the wall 72 are greatly opened outwards, so that both sides of the fuses 60 and 61 are seated on the seating surface 73 even if they are seated on the seating surface 73. As the wall 72 is not properly restored, there is a problem in that contact failure between the side walls 72 and the contact portions 62 of the fuses 60 and 61 is reduced, thereby reducing the contact thermal resistivity.

따라서, 본 발명은 상기 문제점을 해결하기 위하여 이루어진 것으로, 본 발명의 목적은 퓨즈와 홀더와 결합시 퓨즈가 소정위치에 정확히 결합되게 하여, 홀더의 변형을 미연에 방지함과 동시에 퓨즈와 홀더와의 접촉을 긴밀하게 유도하여 접촉 열저항율을 높이도록 한 퓨즈 취부장치를 제공하는데 있다.Accordingly, the present invention has been made to solve the above problems, and an object of the present invention is to ensure that the fuse is correctly coupled to a predetermined position when the fuse and the holder is coupled, preventing deformation of the holder in advance and at the same time with the fuse and the holder. The present invention provides a fuse mounting apparatus that induces contact closely to increase contact thermal resistivity.

상기 목적을 달성하기 위하여 본 발명에 의한 퓨즈 취부장치는, 인쇄회로기판에 납땜에 의해 장착되는 한쌍의 홀더와, 상기 한쌍의 홀더에 교체가능케 장착되는 퓨즈를 구비한 퓨즈 취부장치에 있어서, 상기 홀더에는, 그 양측벽 일측에 상기 퓨즈가 홀더의 안착면에 결합될 때 안착면의 전후방향으로 이탈되지 않게 차단함과 동시에 안착면의 탄성력이 지속적으로 유지되도록 형성된 연결부와, 그 양측벽 일측에 상기 퓨즈가 상부에서 수직방향으로 삽입될 때 퓨즈가 급하강되지 못하게 저지하면서 상기 안착면에 정확히 안착되도록 형성된 한쌍의 슬릿부를 구비한 것을 특징으로 한다.In order to achieve the above object, a fuse mounting apparatus according to the present invention is a fuse mounting apparatus including a pair of holders mounted on a printed circuit board by soldering, and a fuse replaceably mounted on the pair of holders. The connection part is formed on one side of both side walls of the fuse so as not to be separated in the front and rear directions of the seating surface when the fuse is coupled to the seating surface of the holder, and at the same time, the elastic force of the seating surface is continuously maintained. When the fuse is inserted in the vertical direction from the top it characterized in that it has a pair of slits formed to be accurately seated on the seating surface while preventing the fuse from falling.

제1도는 종래의 전자렌지에 사용되는 노이즈필터를 도시한 사시도,1 is a perspective view showing a noise filter used in a conventional microwave oven,

제2도는 종래의 퓨즈 취부장치를 도시한 분해 사시도,2 is an exploded perspective view showing a conventional fuse mounting apparatus;

제3도는 제2도의 설치상태를 도시한 단면도,3 is a cross-sectional view showing the installation state of FIG.

제4도는 본 발명의 홀더를 도시한 사시도,4 is a perspective view showing a holder of the present invention,

제5도는 본 발명의 홀더를 도시한 평면도,5 is a plan view showing the holder of the present invention,

제6도는 본 발명의 홀더와 퓨즈와의 결합상태를 도시한 측면도이다.6 is a side view showing a coupling state between the holder and the fuse of the present invention.

〈도면의 주요부분에 대한 부호의 설명〉<Explanation of symbols for main parts of drawing>

10 : 인쇄회로기판 11 : 구멍10: printed circuit board 11: hole

60, 61 : 퓨즈 62 : 접촉부60, 61: fuse 62: contact portion

100 : 홀더 102 : 양측벽100 holder 102 side walls

103 : 안착면 105 : 연결부103: seating surface 105: connection portion

106 : 슬릿부106: slit part

이하, 본 발명의 일실시예에 관하여 첨부 도면을 참조하면서 상세히 설명하기로 한다.Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

참고로, 도면에서 종래의 구성과 동일한 구성에 대해서는 동일명칭 및 동일 부호를 부여하고, 그에 대한 상세한 설명은 생략한다.For reference, the same components and the same reference numerals are assigned to the same components as the conventional components in the drawings, and detailed description thereof will be omitted.

참조부호 100은 상기 퓨즈(60)(61)의 양단 접촉부(62)가 상부에서 수직방향으로 삽입될 때 퓨즈(60)(61)가 소정위치를 벗어나지 않고 정확히 결합되어 전기접속이 이루어지도록 상기 인쇄회로기판(10)의 소정위치에 납땜에 의해 실장된 한쌍의 홀더를 나타낸 것이다.Reference numeral 100 denotes the printing so that the fuses 60 and 61 are accurately coupled without departing from a predetermined position when the contacts 62 at both ends of the fuses 60 and 61 are inserted in the vertical direction from the top so that the electrical connection is made. A pair of holders mounted by soldering at a predetermined position of the circuit board 10 is shown.

즉, 상기 홀더(100)에는, 도4 내지 도6에 도시한 바와 같이 그 바닥면(101) 좌우측에 상기 퓨즈(60)(61)가 상부를 통해 삽입될 때 퓨즈(60)(61)의 양단 접촉부(62)를 일정압력의 탄발력에 의해 잡아주도록 수직방향으로 양측벽(102)이 절곡되어 있고, 상기 양측벽(102)의 중간높이 일측단에는 상기 퓨즈(60)(61)의 접촉부(62)가 상부에서 양측벽(102)의 사이로 삽입될 때 일정높이에 안착되도록 바깥방향으로 오목한 반원형상의 안착면(103)이 형성되어 있으며, 상기 바닥면(101)의 전후단 중앙에는 홀더(100)가 상기 인쇄회로기판(10)의 상면에 안착될 때 인쇄회로기판(10)의 구멍(11)을 관통하여 후면으로 돌출됨과 동시에 납땜되도록 직각되게 리드(104)가 각각 절곡되어 있다.That is, in the holder 100, as shown in FIGS. 4 to 6, when the fuses 60 and 61 are inserted through the upper side of the bottom surface 101, the fuses 60 and 61 of the fuse 100 are inserted into the holder 100. Both side walls 102 are bent in the vertical direction so as to hold the both ends contact portion 62 by a repulsive force of a constant pressure, and the contact portions of the fuses 60 and 61 at one end of the middle height of the both side walls 102. A semicircular seating surface 103 is formed to be recessed outwardly so as to be seated at a predetermined height when the 62 is inserted between the two side walls 102 from the top. When the 100 is seated on the upper surface of the printed circuit board 10, the leads 104 are bent at right angles so as to penetrate through the holes 11 of the printed circuit board 10 to protrude to the rear side and to be soldered at the same time.

이때, 상기 양측벽(102)의 바깥단 상부측은 상기 퓨즈(60)(61)와 홀더(100)의 결합시 퓨즈(60)(61)가 홀더(100)의 측방향으로 이탈되지 않고 상기 안착면(103)에 정확히 안착되게 유도함과 동시에 안착면(103)의 면적을 제외한 나머지 양측벽(102)의 면적이 벌어지지 않도록 연결부(105)가 일체로 형성되어 있다.At this time, the outer end upper side of the both side wall 102 is the fuse 60, 61 and the fuse 100 when the fuse 60, 61 is not separated in the lateral direction of the holder 100, the seating The connection part 105 is integrally formed so as to guide the surface 103 to be seated accurately and to prevent the area of the both side walls 102 except for the seating surface 103 from being opened.

또, 상기 양측벽(102)의 하부에는 상기 퓨즈(60)(61)가 무리하게 홀더(100)에 삽입되더라도 바닥면(101)까지 도달되지 못하고 안착면(103)에 정확히 안착되도록 서로 대향되는 안쪽방향으로 한쌍의 슬릿부(106)가 각각 커팅가공에 의해 형성되어있다.In addition, even when the fuses 60 and 61 are forcibly inserted into the holder 100, the lower sides of the side walls 102 are opposed to each other so that they do not reach the bottom surface 101 and are accurately seated on the seating surface 103. A pair of slit parts 106 are formed in the inward direction by cutting.

이때, 상기 한쌍의 슬릿부(106)는 그 양단이 상기 양측벽(102)에 연결되면서 그 중앙이 양측벽(102)의 안쪽으로 돌출되게 절곡되어 있고, 한쌍의 슬릿부(106)는 홀더(100)의 상부에서 볼 때 X자형상으로 배열되어 있다.At this time, the pair of slits 106 is bent so that both ends thereof are connected to the both side walls 102 and the center thereof protrudes into the inner side walls 102, and the pair of slits 106 is a holder ( It is arranged in an X shape when viewed from the top of 100).

다음에, 이와 같이 구성된 본 발명의 작용 및 효과를 설명한다.Next, the operation and effect of the present invention thus constructed will be described.

퓨즈(60)(61)를 홀더(100)에 설치하기 위해서는, 먼저 한쌍의 홀더(100)를 인쇄회로기판(10)의 상면에 일정간격으로 형성된 구멍(11)측에 각각 위치시킴과 동시에 홀더(100)의 양측벽(102)에 형성된 연결부(105)가 각각 바깥방향을 향하도록 위치시키고, 바닥면(101)의 양측단에 고정된 리드(104)의 끝단을 상기 구멍(11)으로 삽입시켜 인쇄회로기판(10)의 이면에 밀착시킴과 동시에 납땜시킨다.In order to install the fuses 60 and 61 in the holder 100, first, the pair of holders 100 are placed on the sides of the holes 11 formed at regular intervals on the upper surface of the printed circuit board 10, respectively. The connecting portions 105 formed on both side walls 102 of the 100 are positioned to face outwards, respectively, and the ends of the leads 104 fixed to both ends of the bottom surface 101 are inserted into the holes 11. To the back surface of the printed circuit board 10 and soldered at the same time.

그런 후, 홀더(100)의 상부측에서 퓨즈(60)(61)의 양단에 설치된 접촉부(62)를 홀더(100)의 양측벽(102)에 형성된 안착면(103)을 향하여 삽입시키면, 이들 접촉부(62)의 외경보다 작은 폭으로 좁혀진 양측벽(102)의 상단이 퓨즈(60)(61)가 삽입되는 힘에 의해 바깥방향으로 벌어지면서 접촉부(62)의 삽입을 유도하게 되고, 이어서 접촉부(62)가 안착면(103)에 안착되는 순간 벌어졌던 양측벽(102)이 자체 탄발력에 의해 안쪽으로 좁혀지면서 안착면(103)에 안착된 접촉부(62)를 강한 압력으로 잡아줌으로써 도체(道體)상태인 홀더(100)와 접촉부(62)과의 결합이 완료된다.Then, when the contact portion 62 provided at both ends of the fuses 60 and 61 at the upper side of the holder 100 is inserted toward the seating surface 103 formed on both side walls 102 of the holder 100, The upper ends of both side walls 102 narrowed to a width smaller than the outer diameter of the contact portion 62 are opened outward by the force into which the fuses 60 and 61 are inserted, thereby inducing the insertion of the contact portion 62. When the 62 is seated on the seating surface 103, both side walls 102, which are opened, are narrowed inward by their own repulsive force and hold the contact portion 62 seated on the seating surface 103 with a strong pressure. Coupling of the holder 100 and the contact portion 62 in the off state is completed.

이때, 퓨즈(60)(61)를 무리한 힘으로 홀더(100)에 삽입되더라도 퓨즈(60)(61)는 도6에 도시한 바와 같이 홀더(100)의 양측벽(102)의 하부에 안쪽으로 서로 대향되게 돌설된 한쌍의 슬릿부(106)에 접촉되어 더 이상 하강되지 못하고 자동으로 안착면(103)에 안착되기 때문에 양측벽(102)의 탄성력이 지속적으로 유지되고, 이로 인하여 홀더(100)의 안착면(103)과 퓨즈(60)(61)의 접촉부(62)과의 접촉불량이 방지됨에 따라 접촉 열저항율을 높일 수 있게 되는 것이다.At this time, even when the fuses 60 and 61 are inserted into the holder 100 with excessive force, the fuses 60 and 61 are inward to the lower side of both side walls 102 of the holder 100, as shown in FIG. The elastic force of both side walls 102 is continuously maintained because it contacts the pair of slits 106 protruding from each other and is not lowered anymore and is automatically seated on the seating surface 103, thereby maintaining the holder 100. As contact failure between the seating surface 103 and the contact portion 62 of the fuses 60 and 61 is prevented, the contact thermal resistivity can be increased.

이상에서 설명한 바와 같이 본 발명에 따른 퓨즈 취부장치에 의하면, 홀더의 하단높이에 퓨즈의 결합위치를 설정하도록 받침역활을 하는 한쌍의 슬릿부가 형성된 구조로 되어 있기 때문에 퓨즈를 홀더에 무리하게 삽입하더라도 홀더는 탄성력을 지속적으로 유지하면서 퓨즈를 정확한 위치에 자동으로 결합시켜 주게 되고, 이로 인하여 접촉불량을 방지하여 줌과 동시에 접촉 열저항율을 높여주게 되는 효과가 있다.As described above, according to the fuse mounting apparatus according to the present invention, since a pair of slit portions are formed to set the engagement position of the fuse at the bottom height of the holder, even if the fuse is forcibly inserted into the holder. The fuse is automatically coupled to the correct position while maintaining the elastic force, thereby preventing contact failure, thereby increasing the contact thermal resistivity.

Claims (4)

인쇄회로기판에 납땜에 의해 장착되는 한쌍의 홀더와, 상기 한쌍의 홀더의 양측벽 상부단에 각각 형성된 안착면에 교체가능케 장착되는 퓨즈를 구비한 퓨즈 취부장치에 있어서, 상기 홀더에는, 그 양측벽 상부단에 대하여 상기 안착면을 제외한 나머지부분에 일체로 형성되어 안착면의 탄성력을 높일 수 있도록 잡아주는 연결부와, 그 양측벽의 하단에 내측으로 절곡 형성되어 상기 퓨즈가 상기 안착면에 정확히 안착되도록 안내하는 한쌍의 슬릿부를 구비한 것을 특징으로 하는 퓨즈 취부 장치.A fuse attaching device having a pair of holders mounted on a printed circuit board by soldering and a fuse replaceably mounted on a seating surface formed at upper ends of both side walls of the pair of holders, wherein the holders have both side walls. A connection part which is formed integrally with the other end except for the seating surface with respect to the upper end to increase the elastic force of the seating surface, and is bent inwardly at the bottom of both side walls thereof so that the fuse is correctly seated on the seating surface. And a pair of slit portions for guiding. 제1항에 있어서, 상기 한쌍의 슬릿부는 상기 양측벽의 하부에 서로 대향되는 안쪽방향으로 형성된 것을 특징으로 하는 퓨즈 취부장치.The fuse mounting apparatus according to claim 1, wherein the pair of slit portions are formed in an inner direction facing each other at a lower portion of the side walls. 제1항 또는 제2항에 있어서, 상기 한쌍의 슬릿부는 그 양단이 상기 양측벽에 연결되면서 그 중앙이 양측벽의 안쪽으로 돌출되게 절곡된 것을 특징으로 하는 퓨즈 취부장치.The fuse mounting device according to claim 1 or 2, wherein the pair of slit portions are bent such that both ends thereof are connected to the side walls, and the center thereof is protruded into the inside of the side walls. 제1항에 있어서, 상기 한쌍의 슬릿부는 상기 홀더의 상부에서 볼 때 X자형상으로 배열된 것을 특징으로 하는 퓨즈 취부장치.The fuse mounting apparatus according to claim 1, wherein the pair of slits are arranged in an X shape when viewed from the top of the holder.
KR1019970059312A 1997-11-11 1997-11-11 Fuse connector KR100286544B1 (en)

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KR1019970059312A KR100286544B1 (en) 1997-11-11 1997-11-11 Fuse connector

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KR100286544B1 true KR100286544B1 (en) 2001-04-16

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55128354A (en) * 1979-03-29 1980-10-04 Furukawa Electric Co Ltd:The Cutting method for product at direct rolling

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55128354A (en) * 1979-03-29 1980-10-04 Furukawa Electric Co Ltd:The Cutting method for product at direct rolling

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