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1. 发明专利

JP2967576B2 失效
公开(公告)号：JP2967576B2
公开(公告)日：1999-10-25
申请号：JP2917092
申请日：1992-02-17
申请人： NICHU GIKEN KOGYO KK , NIPPON YUSHI KK
发明人： FUJAMA HIROMU , WATANABE MASASHI , MYAZAKI MANABU
IPC分类号： B01J7/00 , B60R22/46 , C06D5/00 , F42B3/12

2. 发明专利

JPH11118152A ELECTRIC IGNITION TOOL 失效
公开(公告)号：JPH11118152A
公开(公告)日：1999-04-30
申请号：JP28578697
申请日：1997-10-17
申请人： NICHU GIKEN KOGYO KK
发明人： TSUJI SHINZO , WATANABE MASASHI , ARAI EIJI
IPC分类号： B60R22/46 , B60R21/16 , F23Q7/22 , B60R21/32
摘要： PROBLEM TO BE SOLVED: To maintain firing sensitivity, to stabilize an electrostatic performance without deteriorating heat generating resistance, and to reduce the size and the cost, when an electric ignition tool and a heat generating tool for ignition, having high safety, through prevention of the occurrence of sudden and spontaneous explosion due to static electricity are provided. SOLUTION: An electric ignition tool is formed such that a cap 7 to cover a container 5 filled with an ignition agent 4 in contact with a heat generating resistor 3 is fitted in an insulation base body 1, a pair of electrode pins 2a and 2b extending through an insulation base body 1 are coupled with a heat generating resistor 3, a conductor 6 is disposed on the surface of an insulation base body 1 with approximately equal distances from the electrode pins 2a and 2b, and discharge gaps 8a and 8b are formed between one electrode pin 2a and the conductor 6 and between the other electrode pin 2b and the conductor 6.

3. 发明专利

JP2000055594A IGNITER 失效
公开(公告)号：JP2000055594A
公开(公告)日：2000-02-25
申请号：JP21882398
申请日：1998-08-03
申请人： NICHU GIKEN KOGYO KK
发明人： SATO TERUO , WATANABE MASASHI
IPC分类号： F23Q13/00 , F42B3/113 , H01S3/00
摘要： PROBLEM TO BE SOLVED: To obtain an igniter which can ignite an article processed with heat even if it is separated from an ignition energy supply, i.e., a laser, by providing an optical system for transmitting laser light and a light receiving optical system for guiding the laser light to a priming powder disposed through a space from the light transmitting optical system. SOLUTION: The light source side having a light transmitting optical system 2 is separated from the side of an article 10 processed with heat having a light receiving optical system 3. A collimator lens 4 is disposed on the light source side while being focused onto the emission face of a laser 1 and a condenser lens 5 is disposed on the article 10 side while being focused onto the light incident end face of an optical fiber 7. The optical fiber 7 is protected on the exit side by inserting into a ferrule 12 and the end face thereof is brought into contact with a priming powder 11 arranged in the article 10. Laser light emitted by conducting the laser 1 is led through the collimator lens 4, the condenser lens 5 and the optical fiber 7 to the priming powder 11 which is thereby ignited. Consequently, an initial explosive 15 and an output powder 16 are exploded sequentially thus operating the article 10.

4. 发明专利

JPH09328097A BALLOON BREAKING DEVICE 失效
公开(公告)号：JPH09328097A
公开(公告)日：1997-12-22
申请号：JP14878996
申请日：1996-06-11
申请人： NICHU GIKEN KOGYO KK
发明人： TAJIMA NAOKO , WATANABE MASASHI
IPC分类号： F42B3/10 , B64B1/48 , B64B1/62
摘要： PROBLEM TO BE SOLVED: To surely break a balloon by attaching a receiver for receiving a breaking instruction signal from the ground, an ignition tool connected to the receiver for making ignition by triggering the break instruction signal and a highly combustible film stuck to the balloon in contact with the ignition tool to the balloon. SOLUTION: When a rope 18 is cut based on a cutting signal from the ground after the end of observation, an observation device 15 drops to the ground and a balloon 10 is left floating in air. A breaking instruction signal is sent from a ground transmitter to the receiver 1 of a balloon breaking device, this signal is received by the signal receiver and a switch is turned ON by a control circuit. A current is supplied from a battery to a heating resisting line in an ignition tool 2, powder is burned by heat, flames are produced toward a highly combustible film and thereby the contact part of the balloon 10 with the highly combustible film and a tape 4 are burned. By this burning, holes are formed in the balloon 10, gas is discharged into the atmosphere and then the balloon 10 is caused to gradually fall to the ground.

5. 发明专利

JPH05220380A SQUIB AND ITS PRODUCTION 失效
公开(公告)号：JPH05220380A
公开(公告)日：1993-08-31
申请号：JP2917092
申请日：1992-02-17
申请人： NICHU GIKEN KOGYO KK , NIPPON OILS & FATS CO LTD
发明人： FUJIYAMA HIROMU , WATANABE MASASHI , MIYAZAKI MANABU
IPC分类号： B01J7/00 , B60R22/46 , C06D5/00 , F42B3/12
摘要： PURPOSE:To easily and efficiently produce a squib with the bonding strength between an electrode pin and a heating wire increased and capable of playing various detonating performances. CONSTITUTION:A powder 14 and a heating wire 15 are arranged in a bottomed powder chamber 3 with the open part closed with a breakable cap 4, and an electrode pin 16 is connected to an input lead wire 19 outside the device through the bottom 1 of the chamber 3. The bottom 1 of the chamber 3 is formed by an outer annular conductor 5 and a closing insulating material 6 at the center, the powder 14 consists of an igniting powder 12 and a firing powder 13, the heating wire 15 is in contact with the igniting powder 12, one end of the heating wire 15 is directly connected to the tip of the first electrode pin 16 piercing the center of the closing insulating material 6 and the other end to the annular conductor 5 in the chamber, and the second electrode pin 17 is directly connected to the conductor 5 from outside the chamber.

6. 发明专利

JPH10253059A MANUFACTURE OF CIRCUIT PLATE FOR EXPLOSIVE IGNITION HEAT GENERATING TOOL 失效
公开(公告)号：JPH10253059A
公开(公告)日：1998-09-25
申请号：JP5571997
申请日：1997-03-11
申请人： NIKKO KK , NICHU GIKEN KOGYO KK
发明人： MIZUSHIMA KIYOSHI , MORI MAMORU , MIYAKOSHI MOTOHARU , NAKAMURA SATOSHI , SATO HIROSHI , TSUJI SHINZO , WATANABE MASASHI , ARAI EIJI
IPC分类号： F23Q13/00 , F42B3/12 , F42B3/198
摘要： PROBLEM TO BE SOLVED: To facilitate division of a ceramic base sheet through a manual work by a method wherein a heat resistance layer, a conduction electrode, and a heating resistor are arranged on one surface of an insulation material base sheet in which a separation groove and a round hole are formed, in a circuit plate for an ignition heat generating tool incorporated in a gas generator utilized as a drive source for an air bag. SOLUTION: In manufacture of a circuit plate 11 for an explosive ignition heat generating tool, a separation groove 17 and a round hole 14 are first formed in an alumina green sheet, and simultaneously with division into a lattice 12, a pair of semicircular holes 25 are formed in each lattice 12, and by sintering a green sheet, a ceramic base sheet 20 is produced. Further, a heat resistance layer 6 is printed on a ceramics base sheet 20 and burning is effected. With silver palladium printed on the periphery of the semicircular hole 25, attraction is effected from the back side of the base sheet 20 to produce a conduction electrode 13 having a protrusion part 15. A heating resistor 4 is then printed on the heat resistance layer 6 and after burning, the base sheet 20 is separated at each lattice 12 along the separation groove 17 through a manual work to produce the circuit sheet 11 for an explosive ignition heat generating tool in which a pair of the semicircular holes 25 are formed.

7. 发明专利

JPH10170197A INSENSITIVE SQUIB 失效
公开(公告)号：JPH10170197A
公开(公告)日：1998-06-26
申请号：JP32293196
申请日：1996-12-03
申请人： NICHU GIKEN KOGYO KK
发明人： TAJIMA NAOKO , WATANABE MASASHI
IPC分类号： F42B3/12
摘要： PROBLEM TO BE SOLVED: To provide an insensitive squib which eliminates the need for skilled work in production with simultaneous operability and moreover, achieve higher safety with easier maintenance control by enabling series connection of a plurality of units with a smaller power source without malfunctioning. SOLUTION: This insensitive squib 10 has a metal cylinder 4 filled with a powder 5, an insulating body 2 which is fitted into the metal cylinder 4 and pierced by a pair of electrode conductors 3 and a heating body 1 comprising a thick film resistance provided at a bridging position of the pair of electrode conductors 3 on the surface of the insulating body 2 in contact with the powder 5. The resistance value of the heating body 1 is preferably 0.5-2.0Ω.

8. 发明专利

JPH09178398A DETONATING FUSE TYPE CRUSHER 失效
公开(公告)号：JPH09178398A
公开(公告)日：1997-07-11
申请号：JP34370995
申请日：1995-12-28
申请人： JAPAN TECH RES & DEV INST , NICHU GIKEN KOGYO KK , NISSAN MOTOR
发明人： OOYUMI YOSHIO , NAGAYAMA KIYOKAZU , WATANABE MASASHI , KAZAMA SUNAO , SAKAI KUNIHIKO , ITO AKIRA
IPC分类号： F42B3/02 , C06B45/00 , C06C5/04 , F02K7/18 , F02K9/32 , F42B15/00 , F42D99/00 , F42D7/00
摘要： PROBLEM TO BE SOLVED: To obtain a sufficient area of opening of a sealing plate by a small amount of explosive and also to crush the sealing plate to pieces by a method wherein detonating fuses connected to an ignition system are provided for the sealing plate which closes up a fluid passage temporarily. SOLUTION: An air inflow port 10 communicating with each air intake port 5 of a combustion chamber 2 is made circular and closed up with a port cover 11 being a circular sealing plate. The port cover 11 is provided with detonating fuse type crushing equipment 12 for which explosive is used, and an ignition device for the detonating fuse type crushing equipment 12 is held in a holding part so provided as to continuous to the tail part side of the air intake port 5. As for the detonating fuse type crushing equipment 12, detonating fuses 15 connected with an ignition system are provided on the side of the port cover 11 being opposite to the combustion chamber, i.e., the side thereof on the air intake port 5 side, and the two detonating fuses 15 are provided in the shape of a double convolution by using a circular plate 16 covering the detonating fuses. The detonating fuses 15 are fitted to the plate 16 and fixed to the air inflow port 10, together with the port cover 11, by a presser ring 17 and each detonating fuse 15 is connected to the ignition device through the intermediary of an electric detonator 18.

9. 发明专利

JPH09145887A TRAVELLING IN-CORE INSTRUMENTATION EXPLOSIVE CUTTING VALVE 失效
公开(公告)号：JPH09145887A
公开(公告)日：1997-06-06
申请号：JP30737595
申请日：1995-11-27
申请人： HITACHI LTD , NICHU GIKEN KOGYO KK
发明人： ONUMA JUN , SHIMURA TAKAO , OMORI SHINYA , SAITO HIDEYO , WATANABE MASASHI , KAZAMA SUNAO
IPC分类号： G21C17/108 , G21D3/04
摘要： PROBLEM TO BE SOLVED: To prevent leak due to conductive combustion residue generated in a power cartridge when a travelling in-core instrumentation explosive cutting valve is operated by covering the explosive storing guide inner wall surface of a power cartridge with an electric insulation layer. SOLUTION: A power cartridge 13 is adapted to store igniter powder 24 and loading powder 25 in a metallic cartridge body 21. A heating electrode 23 connected between pin electrodes 22a, 22b supported by an insulating support 31 generates heat, thereby igniting explosive 24 for covering the electrode to explode the explosive 25. At this time, the explosive storing chamber inner wall surface 21a in the body 21 is covered with a cylindrical insulating sleeve 27. Accordingly, as the sleeve 27 is interposed between the current carrying electrodes 22a, 22b and the body 21, even if conductive combustion residue is generated by ignition and explosion of explosives 24, 25, it is possible to prevent electric formation between the electrodes 22a, 22b due to the combustion residue so as to prevent the occurrence of leak.

10. 发明专利

JPH08210639A HEATER FOR IGNITING GUNPOWDER 失效
公开(公告)号：JPH08210639A
公开(公告)日：1996-08-20
申请号：JP26071194
申请日：1994-10-25
申请人： NIKKO KK , NICHU GIKEN KOGYO KK
发明人： MIZUSHIMA KIYOSHI , MORI MAMORU , MIYAKOSHI MOTOHARU , SATO HIROSHI , GOTO SHUJI , ARAI EIJI , WATANABE MASASHI
IPC分类号： F23Q7/02 , B60R21/16
摘要： PURPOSE: To provide a heater for igniting gunpowder which has the high accuracy of a resistance value, excellent yield and a low manufacturing cost. CONSTITUTION: A heater 20 for igniting gunpowder comprises an insulating laminate formed of a base board 3 made of a ceramic and a thermal resistance layer 4 made of glass or a glass ceramic laminated on an insulator 9, pairs of electrode conductors 2, 7, 8, 12, 17, and 18 passed through the laminate, and a heater 6 made of a thick film resistor directly on the surface of the layer 4 or the laminate and bridged with the pairs of the conductors 2, 7, 8, 12, 17 and 18.

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