KR20030026165A - Bit for wrapping - Google Patents
Bit for wrapping Download PDFInfo
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- KR20030026165A KR20030026165A KR1020010059435A KR20010059435A KR20030026165A KR 20030026165 A KR20030026165 A KR 20030026165A KR 1020010059435 A KR1020010059435 A KR 1020010059435A KR 20010059435 A KR20010059435 A KR 20010059435A KR 20030026165 A KR20030026165 A KR 20030026165A
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- South Korea
- Prior art keywords
- wire
- terminal
- insertion groove
- terminal pin
- wrapping
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- 238000003780 insertion Methods 0.000 claims abstract description 31
- 230000037431 insertion Effects 0.000 claims abstract description 31
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 239000002699 waste material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/14—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by wrapping
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/28—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wire processing before connecting to contact members, not provided for in groups H01R43/02 - H01R43/26
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Processing Of Terminals (AREA)
Abstract
본 발명은 전화단자함 등에 구비된 단자핀 둘레부에 전화선이나 전선 등의 피복을 벗김과 동시에 나선형으로 감아 접속할 수 있으므로 작업이 간편함은 물론, 작업 시간이 단축되므로 능률을 향상시킬 수 있도록 된 래핑용 비트에 관한 것이다.The present invention can be connected to the terminal pin circumference provided in the telephone terminal box, such as peeling off the coating of the telephone line or wire and spirally connected at the same time, so that the operation is easy, and the working time is shortened, so that the wrapping bit can improve efficiency It is about.
본 발명에 따르면, 전화단자함 내의 단자대(6) 등에 구비된 도전성 단자핀(3)에 전화선이나 전선(7) 등을 나선형으로 감아서 접속시키는 통상의 래핑기(1)에 있어서, 선단 중앙부에 중심축선과 나란한 단자삽입공(13)이 형성되고 그 선단 일측에는 둘레면으로 연통되는 전선삽입홈(18)이 형성된 회전축(10)과, 그 날부분이 상기 전선삽입홈(18)의 일측에 위치되도록 회전축(10)의 둘레부에 고정설치된 컷터(30, 40)를 포함하여 이루어지며, 상기 전선삽입홈(18)에 전선(7)을 삽입하고, 상기 단자핀(3)에 단자삽입공(13)을 끼운 후, 상기 회전축(1)을 회전시키게 되면, 상기 전선(7)의 피복(8)이 컷터(30, 40)에 의해 벗겨짐과 동시에 상기 단자핀(3)의 둘레부에 탈피된 전선(7)이 감겨지도록 구성된 것을 특징으로 하는 래핑용 비트가 제공된다.According to the present invention, in the conventional wrapping machine (1) which spirally wraps and connects a telephone line or an electric wire (7) to the conductive terminal pin (3) provided in the terminal block (6) or the like in the telephone terminal box, the center of the tip center portion is provided. A terminal insertion hole 13 parallel to the axis line is formed and a rotary shaft 10 having a wire insertion groove 18 communicating with a circumferential surface at one end thereof, and a blade portion thereof located at one side of the wire insertion groove 18. It comprises a cutter (30, 40) fixed to the periphery of the rotary shaft 10 so as to insert the wire (7) in the wire insertion groove 18, the terminal insertion hole (3) in the terminal pin (3) 13), when the rotary shaft 1 is rotated, the sheath 8 of the electric wire 7 is peeled off by the cutters 30 and 40, and at the same time, it is peeled off at the circumference of the terminal pin 3 A wrapping bit is provided, characterized in that the wire 7 is configured to be wound.
Description
본 발명은 래핑용 비트에 관한 것으로서, 보다 상세하게는 전화단자함 등에 구비된 단자핀 둘레부에 전화선이나 전선 등의 피복을 벗김과 동시에 나선형으로 감아 접속할 수 있으므로 작업이 간편함은 물론, 작업 시간이 단축되므로 능률을 향상시킬 수 있도록 된 래핑용 비트에 관한 것이다.The present invention relates to a bit for lapping, and more particularly, since a telephone line or an electric wire can be wound around the terminal pin provided in a telephone terminal box and the like, and spirally wound and connected, the operation is simple and the working time is shortened. Therefore, the present invention relates to a wrapping bit that can improve efficiency.
일반적으로, 전화단자함 내의 단자대 등에는 도전성 단자핀이 구비되어 이 단자핀에 전화선 또는 다른 회로나 소자 사이의 전선을 연결하도록 되어 있다. 이때, 이러한 단자핀에 전화선이나 전선을 연결하는 방법 중의 하나로, 래핑용 비트가 구비된 래핑기를 이용하여 상기 단자핀의 둘레에 전선을 나선형으로 감아 접속하는 방법이 많이 이용된다.Generally, a terminal block in a telephone terminal box or the like is provided with a conductive terminal pin to connect a telephone line or an electric wire between other circuits or elements to the terminal pin. In this case, as one of methods of connecting a telephone line or an electric wire to the terminal pin, a method of spirally winding an electric wire around the terminal pin using a wrapping machine provided with a bit for wrapping is used.
도 1 및 도 2는 각각 이때 사용되는 래핑용 비트(20)의 분해사시도와 이의 사용상태 측단면도를 도시한 것이다. 이를 참조하면, 상기 래핑용 비트(20)는 중앙부에 단자삽입공(13)이 형성되고 그 일측에는 전선삽입홈(18)이 형성된 회전체(10)와, 이 회전체(10)의 둘레부에 결합된 가이드관(15)을 포함하여 구성된다.1 and 2 respectively show an exploded perspective view and a state of use side cross-sectional view of the lapping bit 20 used at this time. Referring to this, the lapping bit 20 has a terminal insertion hole 13 formed at a center thereof, and a rotating body 10 having a wire insertion groove 18 formed at one side thereof, and a circumference of the rotating body 10. It is configured to include a guide tube 15 coupled to.
이러한 래핑용 비트를, 도 2에 도시된 바와 같이, 래핑기(1)의 선단부에 설치하고, 상기 전선삽입홈(18)에 피복(8)을 벗겨낸 전선(7)을 삽입하여 전화단자함의 단자대(6) 등에 구비된 단자핀(3)에 상기 단자삽입공(13)을 끼운 후, 상기 래핑기(1)에 의해 회전체(10)를 일측으로 돌리게 되면, 상기 전선삽입홈(18)에 삽입된 전선(7)이 단자핀(3)의 둘레부에 나선형으로 감겨진다.As shown in Fig. 2, the lapping bit is installed at the distal end of the lapping machine 1, and the electric wire 7 having the sheath 8 peeled off is inserted into the electric wire insertion groove 18, thereby After the terminal insertion hole 13 is inserted into the terminal pin 3 provided on the terminal block 6 or the like, and the rotating body 10 is turned to one side by the wrapping machine 1, the wire insertion groove 18 is provided. The wires 7 inserted in the wires are spirally wound around the terminal pins 3.
그런데, 이처럼 상기 래핑용 비트(20)와 래핑기(1)를 이용하여 단자핀(3)에 전선(7)을 감기 위해서는, 상기 전선(7)의 피복(8)을 일일이 칼이나 니퍼(nipper) 등으로 벗겨내야 하므로, 작업이 불편할 뿐만 아니라, 작업 시간이 지연되어 능률이 저하되는 문제점이 있다. 또한, 이와 같이 니퍼 등을 이용하여 전선(7)의 피복(8)을 벗겨낼 경우, 실수로 전선(7)이 끊어지는 경우가 빈번하므로, 자원의 낭비를 초래하게 됨은 물론, 칼을 사용하여 피복(8) 벗겨낼 경우 실수로 손이 벨 수 있는 등 안전사고의 위험이 있다.However, in order to wind the wire 7 on the terminal pin 3 using the lapping bit 20 and the lapping machine 1 as described above, the sheath 8 of the wire 7 is cut by a knife or a nipper. Since it is necessary to peel off, etc.), not only is the work uncomfortable, but there is a problem that the work time is delayed and the efficiency is lowered. In addition, when the sheath 8 of the electric wire 7 is peeled off using a nipper or the like in this way, the electric wire 7 is frequently broken by mistake, which leads to waste of resources and, of course, using a knife. If the cover (8) is peeled off, there is a risk of a safety accident such as accidental hand-cutting.
본 발명은 전술한 바와 같은 문제점에 착안하여 제안된 것으로서, 본 발명의 목적은 전화단자함 등에 구비된 단자핀 둘레부에 전화선이나 전선 등의 피복을 벗김과 동시에 나선형으로 감아 접속할 수 있으므로 작업이 간편함은 물론, 작업 시간이 단축되므로 능률을 향상시킬 수 있도록 된 래핑용 비트를 제공하고자 하는 것이다.The present invention has been proposed in view of the above-described problems, and an object of the present invention is to simplify the operation because it can be wound around the terminal pin provided in the telephone terminal box or the like and spirally wound and connected. Of course, the purpose of the present invention is to provide a wrapping bit that can improve efficiency due to shortening of work time.
도 1은 종래 래핑용 비트의 분해사시도1 is an exploded perspective view of a conventional wrapping bit
도 2는 도 1의 사용상태 단면도2 is a cross-sectional view of the state of use of FIG.
도 3은 본 발명에 의한 래핑용 비트의 사시도Figure 3 is a perspective view of the wrapping bit according to the present invention
도 4는 도 3의 상부컷터가 분해된 상태의 사시도4 is a perspective view of an exploded state of the upper cutter of FIG.
도 5는 도 3의 사용상태 단면도5 is a cross-sectional view of the state of use of FIG.
＜도면의 주요부분에 대한 부호의 설명><Explanation of symbols for main parts of the drawings>
1. 래핑기 3. 단자핀1. Lapping Machine 3. Terminal Pin
7. 전선 8. 전선피복7. Wire 8. Wire Cover
10. 회전체 13. 단자삽입공10. Rotating body 13. Terminal insertion hole
18. 전선삽입홈 20. 래핑용 비트18. Wire insertion groove 20. Lapping bit
30. 상부컷터 40. 하부컷터30. Upper cutter 40. Lower cutter
본 발명에 따르면, 전화단자함 내의 단자대(6) 등에 구비된 도전성 단자핀(3)에 전화선이나 전선(7) 등을 나선형으로 감아서 접속시키는 통상의 래핑기(1)에 있어서, 선단 중앙부에 중심축선과 나란한 단자삽입공(13)이 형성되고 그 선단 일측에는 둘레면으로 연통되는 전선삽입홈(18)이 형성된 회전축(10)과, 그 날부분이 상기 전선삽입홈(18)의 일측에 위치되도록 회전축(10)의 둘레부에 고정설치된 컷터(30, 40)를 포함하여 이루어지며, 상기 전선삽입홈(18)에 전선(7)을 삽입하고, 상기 단자핀(3)에 단자삽입공(13)을 끼운 후, 상기 회전축(1)을 회전시키게 되면, 상기 전선(7)의 피복(8)이 컷터(30, 40)에 의해 벗겨짐과 동시에 상기 단자핀(3)의 둘레부에 탈피된 전선(7)이 감겨지도록 구성된 것을 특징으로 하는 래핑용 비트가 제공된다.According to the present invention, in the conventional wrapping machine (1) which spirally wraps and connects a telephone line or an electric wire (7) to the conductive terminal pin (3) provided in the terminal block (6) or the like in the telephone terminal box, the center of the tip center portion is provided. A terminal insertion hole 13 parallel to the axis line is formed and a rotary shaft 10 having a wire insertion groove 18 communicating with a circumferential surface at one end thereof, and a blade portion thereof located at one side of the wire insertion groove 18. It comprises a cutter (30, 40) fixed to the periphery of the rotary shaft 10 so as to insert the wire (7) in the wire insertion groove 18, the terminal insertion hole (3) in the terminal pin (3) 13), when the rotary shaft 1 is rotated, the sheath 8 of the electric wire 7 is peeled off by the cutters 30 and 40, and at the same time, it is peeled off at the circumference of the terminal pin 3 A wrapping bit is provided, characterized in that the wire 7 is configured to be wound.
본 발명의 다른 특징에 따르면, 상기 컷터(30, 40)는 회전체(10)의 선단쪽으로 갈수록 쐐기 형태로 오목하게 파여져 이루어진 상부컷터(30)와, 이 상부컷터(30)에 인접되도록 상기 회전체(10)의 전선삽입홈(18)에 돌출된 하부컷터(40)로 이루어진 것을 특징으로 하는 래핑용 비트가 제공된다.According to another feature of the invention, the cutter (30, 40) and the upper cutter (30) formed in the wedge-shaped concave toward the front end of the rotating body 10, and the rotation so as to be adjacent to the upper cutter (30) Wrapping bits are provided, characterized in that consisting of a lower cutter 40 protruding into the wire insertion groove 18 of the whole (10).
이하, 본 발명의 바람직한 실시예를 첨부한 도면에 의거하여 설명하면 다음과 같다.Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.
도 3 내지 도 5는 본 발명에 따른 래핑용 비트의 일 실시예를 도시한 것이다. 이를 참조하면, 상기 래핑용 비트는 래핑기(1)에 설치되는 회전체(10)와, 이 회전체(10)의 둘레부에 고정된 컷터(30, 40)로 구성된다.3 to 5 show one embodiment of a wrapping bit according to the invention. Referring to this, the lapping bit is composed of a rotating body 10 installed in the lapping machine 1 and cutters 30 and 40 fixed to the circumference of the rotating body 10.
상기 회전체(10)는 원형의 바아로 이루어진 것으로, 상기 래핑기(1)의 선단부에 끼워져 이 래핑기(1)에 의해 회전된다. 또한, 상기 회전체(10)의 선단 중앙부에는 소정 깊이의 단자(端子)삽입공(13)이 중심축선과 나란하게 형성되어 있고, 그 선단 일측에는 둘레면으로 연통되도록 길이 방향으로 전선삽입홈(18)이 형성되어 있으며, 상기 회전체(10)의 선단 둘레부에는 컷터(30, 40)가 고정되어 있다.The rotating body 10 is formed of a circular bar, is fitted to the front end of the wrapping machine (1) is rotated by the wrapping machine (1). In addition, the terminal insertion hole 13 having a predetermined depth is formed in parallel with the central axis at the front end central portion of the rotating body 10, and the wire insertion groove in the longitudinal direction so as to be in communication with the circumferential surface on one side of the tip. 18 is formed, and the cutters 30 and 40 are fixed to the periphery of the tip of the rotating body 10.
상기 컷터(30, 40)는 상부컷터(30)와 하부컷터(40)로 이루어진 것으로, 상기 상부컷터(30)는 그 날부분이 상기 전선삽입홈(18)에 위치되도록 회전체(10)의 선단 둘레부에 고정설치되고, 상기 하부컷터(40)는 그 날부분이 상부컷터(30)의 날부분에 위치되도록 상기 회전체(10)의 전선삽입홈(18)에 돌출형성된다. 이때, 상기 상부컷터(30)는, 도 3 및 도 4에 도시된 바와 같이, 회전체(10)의 선단부를 향해 쐐기형태로 오목하게 파여져 구성된다. 이에 따라, 피복(8)을 벗기지 않은 전선(7) 또는 전화선을 상기 상부 및 하부컷터(30, 40)를 경유하여 상기 회전체(10)의 전선삽입홈(18)에 삽입하고 이 회전체(10)를 일방향으로 회전시키게 되면, 상기 상부 및 하부컷터(30, 40)에 의해 전선(7)의 피복(8)이 절단되어 전선(7)으로부터 탈피된다.The cutters 30 and 40 are composed of an upper cutter 30 and a lower cutter 40, the upper cutter 30 of the rotor 10 so that the blade portion is located in the wire insertion groove 18. It is fixed to the tip peripheral portion, the lower cutter 40 is protruded to the wire insertion groove 18 of the rotating body 10 so that the blade portion is located on the blade portion of the upper cutter (30). At this time, the upper cutter 30, as shown in Figures 3 and 4, it is configured to be recessed in a wedge shape toward the front end of the rotating body (10). Accordingly, the electric wire 7 or the telephone wire which has not been stripped of the sheath 8 is inserted into the wire insertion groove 18 of the rotating body 10 via the upper and lower cutters 30 and 40, and the rotating body ( When the 10 is rotated in one direction, the sheath 8 of the electric wire 7 is cut by the upper and lower cutters 30 and 40 to be separated from the electric wire 7.
이에 따라, 상기 래핑용 비트(20)를, 도 5에 도시된 바와 같이, 상기 래핑기(1)의 선단에 설치하고, 상기 회전체(10)의 전선삽입홈(18)에 피복(8)을 벗기지 않은 전선(7)을 삽입하여 상기 단자삽입공(13)을 단자핀(3)에 끼운 후, 상기 래핑기(1)에 의해 회전체(10)를 일방향으로 회전시키면, 상기 컷터(30, 40)에 의해 전선(7)의 피복(8)이 벗겨짐과 동시에 단자핀(3)의 둘레부에 전선(7)이 나선형으로 감겨진다.Accordingly, as shown in FIG. 5, the lapping bit 20 is installed at the tip of the lapping machine 1, and the cover 8 is covered by the wire insertion groove 18 of the rotating body 10. Insert the wire (7) not peeled off and insert the terminal insertion hole (13) to the terminal pin (3), and then rotate the rotor 10 in one direction by the wrapping machine (1), the cutter 30 , The sheath 8 of the electric wire 7 is peeled off by 40, and the electric wire 7 is spirally wound around the terminal pin 3.
따라서, 상기 래핑용 비트(20)는 그 선단의 컷터(30, 40)에 의해 전선(7)의 피복(8)을 자동적으로 벗기면서 단자핀(3)의 둘레부에 전선(7)을 감아서 접속하도록 할 수 있으므로, 상기 전선(7)의 피복(8)을 일일이 칼이나 니퍼(nipper) 등으로 벗겨내야 했던 종래와 달리, 작업이 매우 간편할 뿐만 아니라, 작업 시간이 단축되므로 능률이 현저히 향상될 수 있다. 또한, 상기 래핑용 비트(20)는 컷터(30, 40)에 의해 피복(8)이 자동적으로 벗겨지므로, 별도의 칼이나 기타 도구를 이용하여 피복(8)을 벗겨내면서 실수로 인해 전선(7)이 끊어지는 등의 손상이 발생되지 않으므로, 자원의 낭비를 방지할 수 있으며, 더 나아가, 칼을 이용하여 전선(7)의 피복(8)을 벗겨내다가 실수로 손이 베는 경우와 같은 안전사고를 미연에 방지할 수 있다.Thus, the wrapping bit 20 wound the wire 7 around the terminal pin 3 while automatically peeling off the sheath 8 of the wire 7 by the cutters 30 and 40 at the tip thereof. Since it is possible to make a connection, the efficiency of the remarkable efficiency is remarkable since the work is very simple and the working time is shortened, unlike in the conventional case where the sheath 8 of the electric wire 7 has to be peeled off with a knife or a nipper. Can be improved. In addition, since the wrapping bit 20 is automatically peeled off by the cutters 30 and 40, the wrapping bit 20 peels off the cover 8 using a separate knife or other tool, and the wire 7 may be accidentally removed. Since no damage is caused, such as cutting), waste of resources can be prevented, and furthermore, safety such as when a hand is cut by mistake while peeling off the sheath 8 of the electric wire 7 with a knife. The accident can be prevented in advance.
이상에서와 같이 본 발명에 의하면, 선단의 컷터에 의해 전선의 피복이 자동적으로 벗겨지면서 단자핀의 둘레부에 전선이 감겨지도록 하므로, 작업이 매우 간편함과 더불어 작업 시간이 단축되므로 능률이 향상되며, 전선의 피복을 벗겨내면서 실수로 전선을 절단하는 등의 손상이 없으므로, 자원의 낭비를 방지할 수 있도록 된 래핑용 비트가 제공된다.As described above, according to the present invention, the wire is wound around the terminal pin while the cover of the wire is automatically peeled off by the cutter at the tip, so that the work is very simple and the working time is shortened, thereby improving efficiency. Since there is no damage such as accidentally cutting the wire while peeling off the sheath of the wire, a wrapping bit is provided to prevent waste of resources.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020010059435A KR20030026165A (en) | 2001-09-25 | 2001-09-25 | Bit for wrapping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020010059435A KR20030026165A (en) | 2001-09-25 | 2001-09-25 | Bit for wrapping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20030026165A true KR20030026165A (en) | 2003-03-31 |
Family
ID=27725414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020010059435A Ceased KR20030026165A (en) | 2001-09-25 | 2001-09-25 | Bit for wrapping |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR20030026165A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4380111A (en) * | 1980-09-08 | 1983-04-19 | Cooper Industries, Inc. | Cutting, stripping and wrapping bit |
| US5036578A (en) * | 1990-06-11 | 1991-08-06 | Ok Industries Inc. | Cutting, stripping and wire-wrapping hand tool |
| KR950023992U (en) * | 1994-01-25 | 1995-08-23 | 김보현 | Lapping machine |
-
2001
- 2001-09-25 KR KR1020010059435A patent/KR20030026165A/en not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4380111A (en) * | 1980-09-08 | 1983-04-19 | Cooper Industries, Inc. | Cutting, stripping and wrapping bit |
| US5036578A (en) * | 1990-06-11 | 1991-08-06 | Ok Industries Inc. | Cutting, stripping and wire-wrapping hand tool |
| KR950023992U (en) * | 1994-01-25 | 1995-08-23 | 김보현 | Lapping machine |
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