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1. 发明专利

JPH1022037A POWDER METALLURGICAL EXPLOSIVE JOINING METHOD FOR BRANCH WIRE 失效
公开(公告)号：JPH1022037A
公开(公告)日：1998-01-23
申请号：JP21221896
申请日：1996-07-04
申请人： ASAHI ELECTRIC WORKS LTD , STAR SHIP KK
发明人： KIKUCHI HIDEAKI , NISHIDA EIJI , ARAKI MASATO
IPC分类号： H01R43/04 , H01R4/00 , H01R4/08
摘要： PROBLEM TO BE SOLVED: To join a main electric wire and a branch wire securely and strongly by filling metal powder of the same quality as the wire in a metal tube which covers a joint of 2 electric wires, adding an explosive impact from the outside and by joining them integrally and metallurgically. SOLUTION: A main electric wire 1 which is consisted of a stranded wire of aluminum and the like, and a part near the end of a branch wire are placed in parallel. A part to be joined on this parallel part is covered with a sleeve 3 of the same quality as the wire 1. Then, metal powder 2 of the same grading as the wire 1 of about 1μm-1mm is filled in a space between the wire 1 and the sleeve 3. A protective layer 5 such as a plastic film is set outside of the sleeve 3, and explosive 4 with explosion speed of about 4000-1900m/sec is placed outside through an explosive case 6. Then, an explosive impact is added to the wire 1 and metal powder 2 directly or indirectly from the outside of the sleeve 3. This action presses and heats metal powder 2 and loins electric wires of both sides, metal powder, and the sleeve integrally and metallurgically.

2. 发明专利

JPH11222603A HIGH PRESSURE-HIGH TEMPERATURE DEVICE 失效
公开(公告)号：JPH11222603A
公开(公告)日：1999-08-17
申请号：JP3536098
申请日：1998-02-03
申请人： ASAHI ELECTRIC WORKS LTD , STAR SHIP KK , NIPPON KOKI KK
发明人： KIKUCHI HIDEAKI , NISHIDA EIJI , ARAKI MASATO
IPC分类号： B28B3/00 , B22F3/10 , B22F3/105 , B22F3/14
摘要： PROBLEM TO BE SOLVED: To provide a high pressure-high temp. device effective for subjecting powder having the high m.p. and a spongelike porous material to sintering or treatment such as densification under high pressure at a high temp. with a solid as a pressure medium. SOLUTION: Relating to a high pressure-high temp. device in which the powder 10 to be treated is housed in space using a solid as a pressure transferring material, and the powder is applied with high pressure and a high temp. and is subjected to treatment, as an electric passage for electric heating, two- stage current ring mechanisms 3 and 6 are provided, and as for the current ring mechanism in contact with the powder 10 to be treated, the inside is filled with low pressure phase boron nitride.

3. 发明专利

JPH1055831A POWDER METALLURGICAL EXPLOSION JOINTING SLEEVE FOR WIRES 失效
公开(公告)号：JPH1055831A
公开(公告)日：1998-02-24
申请号：JP22618296
申请日：1996-08-09
申请人： ASAHI ELECTRIC WORKS LTD , STAR SHIP KK
发明人： KIKUCHI HIDEAKI , NISHIDA EIJI , ARAKI MASATO
IPC分类号： B23K20/08 , B21F15/08 , H01R4/08 , H01R43/04
摘要： PROBLEM TO BE SOLVED: To provide a powder metallurgical explosion jointing sleeve capable of ensuring an easy work at a site by applying the constitution that metal powder for abutting and jointing wires as the stranded wires of aluminum or an alloy thereof, or copper or an alloy thereof via the use of a powder metallurgical mechanism under the explosion pressure of an explosive, is housed in space between a metallic sleeve for contact with the wires and a powder holding sleeve laid on the inner side of the former sleeve so as to be broken at a jointing work for causing the metal powder to come in direct contact with the wires. SOLUTION: A metallic sleeve 1 used for jointing two wires 2a and 2b to each other and formed to have length equal to or above the length of the area of the wires 2a and 2b to be jointed and filled with metal powder 3, is internally provided with a powder holding sleeve 4 formed to have length approximately equal to the metallic sleeve 1, and to break at the time of a joining work so as to be fused and mixed with the metal powder 3 for the direct contact thereof with the wires 2a and 2b. In addition, annular space formed out of both sleeves 1 and 4 and annular plugs laid at both ends is filled with the metal powder 3 for explosion jointing the wires 2a and 2b.

4. 发明专利

JPH1055830A METAL SLEEVE FOR JOINING WIRES WITH POWDER METALLURGICAL EXPLOSION 失效
公开(公告)号：JPH1055830A
公开(公告)日：1998-02-24
申请号：JP22618196
申请日：1996-08-09
申请人： ASAHI ELECTRIC WORKS LTD , STAR SHIP KK
发明人： KIKUCHI HIDEAKI , NISHIDA EIJI , ARAKI MASATO
IPC分类号： B23K20/08 , B21F15/08 , H01R4/08 , H01R43/04
摘要： PROBLEM TO BE SOLVED: To fill a narrow and deep space with the metal powder without generating unevenness and shortage and excessiveness independently of weather by arranging a holding sleeve at the specified length inside of a metal sleeve, and filling the metal powder between them. SOLUTION: Metal powder 3 is filled in an annular space between a sleeve 1 and a holding sleeve 4, and both ends thereof are sealed by annular plugs 5a, 5b. Appropriate thickness of the holding sleeve depends on the thickness of wires 2a, 2b, quantity of the metal powder to be used at the time of junction and the set packing density of the metal powder 3, but the thickness at 1mm or less is appropriate. When the holding sleeve 4 separated from the wires 2a, 2b is pulled out, the metal powder 3 contacts with the surface of the wires. At this stage, when a detonator is installed in the explosive for explosion, the sleeve 1 is shrunken inward by the explosion pressure of the explosive, and the metal powder 3 is pushed to the surface of the wires by the pressure, and the sleeve 1 and the wires 2a, 3a are joined to each other.

5. 发明专利

JPH1021970A POWDER METALLURGICAL EXPLOSIVE JOINING METHOD TO TENSION WIRE 失效
公开(公告)号：JPH1021970A
公开(公告)日：1998-01-23
申请号：JP21221996
申请日：1996-07-04
申请人： ASAHI ELECTRIC WORKS LTD , STAR SHIP KK
发明人： KIKUCHI HIDEAKI , NISHIDA EIJI , ARAKI MASATO
IPC分类号： H01R43/04 , H01R4/08
摘要： PROBLEM TO BE SOLVED: To provide a method of obtaining a joint of strength over natural wire strength by connecting a steel core wire part by caulking. SOLUTION: Twisted wires of aluminum at end surfaces of two wires to be connected to each other are loosened for a specified length to expose steel core wires 2, they are inserted into a steel sleeve 5 of a corresponding length to the length of the exposed part of the steel core wires 2, aluminum powder 3 is filled to a space formed between the aluminum wires, and between the aluminum wire and the steel sleeve 5 while the periphery of the steel sleeve 5 is covered with the aluminum wires loosened at one end, an aluminum pipe of a corresponding length to an aluminum powder filled length is put to cover it, explosive (b) is wound around the aluminum pipe, and the explosive is exploded to cause metallurgic junction of the aluminum wires with each other, with an inner surface of the steel sleeve 5 around a steel core caulked centripetally to be engaged in dents around the steel core, thereby both steel cores can be mechanically strongly connected to each other.

6. 发明专利

JPH1055871A METALLURGICAL JOINTING METHOD FOR TENSION WIRE USING FILAMENT FUSED UNDER EXPLOSION PRESSURE 失效
公开(公告)号：JPH1055871A
公开(公告)日：1998-02-24
申请号：JP22617896
申请日：1996-08-09
申请人： ASAHI ELECTRIC WORKS LTD , STAR SHIP KK
发明人： KIKUCHI HIDEAKI , NISHIDA EIJI , ARAKI MASATO
IPC分类号： H01R43/04 , H01R4/08
摘要： PROBLEM TO BE SOLVED: To provide a novel wire jointing method allowing an application even to a part exposed to tension by caulking and jointing a steel sleeve capped to a steel conductor to carry the tension of a wire. SOLUTION: A steel sleeve 4 having a cross section large enough to withstand tension burdened on steel conductors 5 is provided so as to cover the preset length of the steel conductors 5 acting to carry wire tension, and aluminum wires positioned on the outer surface of the sleeve 4 are covered by winding aluminum filaments 2 of the same material as the aluminum wires, or with a cloth type woven material of the aluminum filaments 2 of the same material as the aluminum wires. A sleeve 3 of the same material as the wires is similarly provided to conceal the cover of the aluminum wires. A direct or indirect centripetal explosion shock is then applied to the wires and aluminum filaments 2 via the outer surface of the sleeve 3, thereby compressing and heating the aluminum filaments 2 with the applied shock. Thereafter. the steel sleeve 4 covering the steel conductors 5 are deformed in a centripetal way, with the wires, aluminum filaments 2 and sleeve 3 jointed integrally and metallurgically. The steel sleeve 4 is thereby caulked and fixed to the steel conductors 5. Thus, both a metallurgical joint and a joint capable of withstanding tension are concurrently provided.

7. 发明专利

JPH1021971A METAL POWDER CHARGING JIG FOR POWDER METALLURGICAL EXPLOSIVE JOINING METHOD OF WIRE 失效
公开(公告)号：JPH1021971A
公开(公告)日：1998-01-23
申请号：JP21222196
申请日：1996-07-04
申请人： ASAHI ELECTRIC WORKS LTD , STAR SHIP KK
发明人： KIKUCHI HIDEAKI , NISHIDA EIJI , ARAKI MASATO
IPC分类号： H01R43/04 , H01R4/08
摘要： PROBLEM TO BE SOLVED: To provide a metal powder charging jig to easily and uniformly fill metal powder between a metal sleeve and a wire in butt connection of wires as twisted wires of aluminum or its alloy, or copper or its alloy as a transmission line or distribution line in a metallurgical way using a powder metallurgy mechanism under explosion pressure of explosive. SOLUTION: A device comprises a pipe body of a length over that of a metal powder charging part in two wires 2 to be connected to each other, having a crack for metal powder charging in a roughly similar length to a length of a metal powder charging length, and having a little larger inner diameter than an outer diameter of a ring cap 5a, 5b for sealing metal powder 3 at each end of a joining sleeve 4, and it has such a structure that the metal powder 3 is charged from the crack for charging, that it slides to be replaced by the joining sleeve 4, and that it can be removed from the wires 2.

8. 发明专利

JPH11228240A SINTERING OF HIGH MELTING POINT MATERIAL 失效
公开(公告)号：JPH11228240A
公开(公告)日：1999-08-24
申请号：JP3536198
申请日：1998-02-03
申请人： ASAHI ELECTRIC WORKS LTD , STAR SHIP KK , NIPPON KOKI KK
发明人： KIKUCHI HIDEAKI , NISHIDA EIJI , ARAKI MASATO
IPC分类号： C04B35/563 , C04B35/56 , C04B35/565 , C04B35/58 , C04B35/584 , C04B35/645
摘要： PROBLEM TO BE SOLVED: To provide a method for treating a high melting point material by sintering and/or densifying the high melting point substance having a melting point of >2,700 deg.K silicon nitride powder and a porous substance such as a sponge-like substance in the presence of a solid material as a pressure medium under a high pressure and a high temperature without adding an additive for binding the materials. SOLUTION: This method for sintering and/or densifying a high melting point material comprises sealing the high melting point substance having a melting point of >2,700 deg.K, the powder of silicon nitride and a porous substance 1 such as a sponge-like substance in a high pressure high temperature device using a solid material as a pressure medium and subsequently sintering and/or densifying the sealed materials under a high pressure of >=100 MPa. Therein, the sintering and/or the densification are carried out within a temperature below the melting point-pressure range under a condition: T>=0.7Tm -0.2P in a range of the equation: 2GPa>=P>=100 =0.7Tm -400 in a range of the equation: P>=2GPa, wherein P is a pressure; Tm is the melting point, vaporization point or decomposition point of the material; T is a treating temperature; P is expressed by a unit of MPa; Tm and T are expressed by units of deg.K, respectively.

9. 发明专利

JPH10300396A CYLINDRICAL EXPLOSIVE FOR METALLIC WORKING 失效
公开(公告)号：JPH10300396A
公开(公告)日：1998-11-13
申请号：JP12782597
申请日：1997-05-02
申请人： ASAHI ELECTRIC WORKS LTD , STAR SHIP KK
发明人： KIKUCHI HIDEAKI , NISHIDA EIJI , ARAKI MASATO
IPC分类号： F42B3/00
摘要： PROBLEM TO BE SOLVED: To prevent such a trouble that the explosion collides against each other on the opposite side of an initiating explosion point and that the explosive pressure roughly doubles and it causes a flaw in the material to be processed surrounded by an explosive, by arranging explosion inert substance in a collision forecast position. SOLUTION: The explosion initiated from the position of 0 deg. on one side of an explosive 1 divides in tow and they go on in the explosive 1 at the same equal velocity, and collide against each other in the position of 180 deg. on opposite side. In this case, since inert substance 2 intercepts the explosion of an explosive in the position of 180 deg., the explosive pressure is transmitted to the inert substance 2, and attenuates quickly. The sectional form of the inert substance 2 is basically convex in the direction of 180 deg., to the surface of the material 3 to be worked where the sectional form intercepts an explosive layer, and besides the surface of the inert substance 2 is concave to the explosive 1, at the interface between the explosive 1 and the inert substance 2. Hereby, the pressure shortage oriented to the material to be processed can be avoided while avoiding the doubling of the explosive pressure.

10. 发明专利

JPH1055828A METHOD FOR METALLURGICALLY JOINTING WIRE BY MEANS OF FILAMENT MELTED BY EXPLOSION 失效
公开(公告)号：JPH1055828A
公开(公告)日：1998-02-24
申请号：JP22617796
申请日：1996-08-09
申请人： ASAHI ELECTRIC WORKS LTD , STAR SHIP KK
发明人： KIKUCHI HIDEAKI , NISHIDA EIJI , ARAKI MASATO
IPC分类号： B23K20/08 , H01R4/08 , H01R43/04
摘要： PROBLEM TO BE SOLVED: To provide a novel method for metallurgically abutting and jointing wires as the stranded wires of aluminum or an alloy thereof, or copper or an alloy thereof for a power transmission line, a distribution line or the like, using a metallurgical mechanism for metallic filaments under the explosion pressure of an explosive. SOLUTION: The edges of of two wires 1 to be jointed are kept abutted to each other, and a metallic filament 2 of the same material as the wires 1 is wound around an area over the preset length, with the abutted part taken as a center, or the area over the preset length is covered with a cloth type material (including nonwoven fabric or felt type material) made of a woven metallic filament 2 of the same material as the wires 1. In addition, the area is covered with a sleeve 3 of the same material as the wires 1. Thereafter, a centripetal shock is applied to the wires 1 and the metallic filament 2 directly or indirectly from the external surface of the sleeve 3. The metallic filament 2 is compressed and heated with the applied shock, and the wires 1, the filament 2 and the sleeve 3 are thereby jointed to one another integrally and metallurgically.

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