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41. 发明专利

JP2001224704A SPRINKLER HEAD 失效
公开(公告)号：JP2001224704A
公开(公告)日：2001-08-21
申请号：JP2000037436
申请日：2000-02-16
申请人： SENJU SPRINKLER KK
发明人： KOIWA YASUAKI
IPC分类号： A62C37/11 , B05B1/00
摘要： PROBLEM TO BE SOLVED: To provide a sprinkler head which is protected from corrosion in a corroding atmosphere and is not affected by the quality of extinction liquid. SOLUTION: This sprinkler head has a structure in which a water discharging hole 12 on the head is blocked with a valve body 3 pressed with a thermal decomposing part 4 via a metallic packing 31. Fluororesin coating 5 is applied on the surface of the sprinkler head or the inner face of the water discharging hole 12 and the water discharging face of the packing 31 as well as the outer face of a water discharging hole seat part 13 of the sprinkler head and on the packing 31.

42. 发明专利

JPH11206907A SPRINKLER HEAD 失效
公开(公告)号：JPH11206907A
公开(公告)日：1999-08-03
申请号：JP2904098
申请日：1998-01-28
申请人： SENJU SPRINKLER KK
发明人： KUMAGAI FUMIE , SATO KOKI , CHIBA TAKATOSHI
IPC分类号： A62C37/11
摘要： PROBLEM TO BE SOLVED: To eliminate breakage due to corrosion when installed in an environmentally poor room and control leakage of a fire extinguishing agent by forming the component parts of a fire extinguishing sprinkler head of a non-metallic material excelling in heat and corrosion resistance. SOLUTION: In a multiple sprinkler head where normally thermolytic portions 140 hold a valve body 130 and when a fire occurs a low melting point metal melts and flows out from a cylinder 143 and thereby, dissociates the thermolytic portions 140 and opens a valve seat 114, thereby allowing a fire extinguishing agent to be ejected from a nozzle, a main body 110 is formed of a copper alloy, deflectors 120 are formed of heat resistant plastics. The valve body 130 has a packing, valve and guide post. However, at such time, by using a heat resistant printed board, the valve and the packing are made one component part. A cylinder and a plunger, the component parts of the thermolytic portions 140 are made from a copper alloy. Other component parts such as a lever, balance, etc., are made from a non-metallic material.

43. 发明专利

JPH11164906A SIDE-WALL TYPE SPRINKLER HEAD 失效
公开(公告)号：JPH11164906A
公开(公告)日：1999-06-22
申请号：JP34735297
申请日：1997-12-03
申请人： SENJU SPRINKLER KK
发明人： SATO KOKI
IPC分类号： A62C31/02 , A62C37/08 , B05B1/28
摘要： PROBLEM TO BE SOLVED: To uniformly scatter water in a prescribed scatter area by separating and installing an auxiliary deflector away from and at the upper position of a planar deflector which is provided in a side-wall type sprinkler head and also forming blades faced side ward at the both sides of the deflector in symmetrical positions. SOLUTION: When fire occurs and a thermosensitive decomposing part which is incorporated in a main body 1 of a sprinkler head is decomposed to blow off the configuration parts of the thermosensitive decomposing part sideward, a deflector 4 is simultaneously pushed outward and a valve body inside the main body 1, which is integrated with the deflector 4, is opened. Thereby, water is injected to strike the deflector 4 and be scattered. At this time, water is scattered sideward and downward by a prescribed width by notches 15 and plural blades 14 faced sideward and formed in the symmetrical positions at the both sides of the deflector 4 by inclining it by 10 deg.-30 deg. in the water introducing direction. Further, the scattering forward from a fitting position is controlled by an auxiliary deflector 5 and a recess 12 of the deflector 4.

44. 发明专利

JPH11164904A SIDE-WALL TYPE SPRINKLER HEAD 失效
公开(公告)号：JPH11164904A
公开(公告)日：1999-06-22
申请号：JP34735197
申请日：1997-12-03
申请人： SENJU SPRINKLER KK
发明人： SATO KOKI
IPC分类号： A62C31/02 , A62C35/68 , A62C37/08 , B05B1/28
摘要： PROBLEM TO BE SOLVED: To uniformly scatter water in a prescribed scatter area by separating and installing an auxiliary deflector away from and at the upper position of a deflector and also forming a recess in the upper part of the deflector in a side-wall type sprinkler head provided with the planar deflector. SOLUTION: When fire occurs and a thermosensitive decomposing part which is incorporated in a main body 1 of a sprinkler head is decomposed to blow off the configuration parts of the thermosensitive decomposing part sideward, a deflector 4 which is held inside till the time is pushed outward and a valve body inside the main body 1, which is integrated with the deflector 4, is opened. Thereby, water is injected to strike the deflector 4 and be scattered. At this time, water is scattered sideward and downward by the prescribed width by plural notches 13 and a blade 14 formed in the deflector 4. Further, the scattering is controlled by an auxiliary deflector 5 and a recess 12 of the deflector 4 in a forward scatter area from a fitting position so that the water is uniformly scattered in the whole scatter area.

45. 发明专利

JPH11123250A SPRINKLER HEAD AND INSTALLATION OF HEAT COLLECTING PLATE 失效
公开(公告)号：JPH11123250A
公开(公告)日：1999-05-11
申请号：JP30506497
申请日：1997-10-21
申请人： SENJU SPRINKLER KK
发明人： KONNAI SUSUMU
IPC分类号： A62C37/11 , A62C37/12
摘要： PROBLEM TO BE SOLVED: To make dust unaccumulative, and maintain heat collecting performance on a high level by installing a heat collecting plate in a compressive thermosensible decomposing part in parallel to a frame in a sprinkler head where the compressive thermosensible decomposing part is arranged between a main body and the frame projecting from this main body. SOLUTION: When a heat collecting plate 48 is installed on a sprinkler head, first of all, the heat collecting plate 48 punched in a plate shape is assembled in a prescribed shape. That is, after a pair of seat parts 60 and 60 are bent by almost 90 degrees in the same direction, the vertical directional center is bent by almost 100 degrees in the seat part direction, and the two seat parts 60 and 60 are superposed on each other by central bending. Next, both side parts are bent by almost 115 degrees in the inverse direction with a broken line position as the center. The heat collecting plate 48 formed in this way is sandwiched by a cylinder 44 and a fitting body 47 by inserting a projection of the cylinder 44 into its installing hole 62. A compressive thermosensible decomposing part 40, particularly, the heat collecting plate 48 is heated by a hot air current at fire time, and when a low melting point alloy 45 melts, a valve element 20 is opened by rotation of a movable piece 42, and a jetting of water for fire-fighting is started.

46. 发明专利

JPH10277174A SPRINKLER HEAD 失效
公开(公告)号：JPH10277174A
公开(公告)日：1998-10-20
申请号：JP10080697
申请日：1997-04-04
申请人： SENJU SPRINKLER KK
发明人： OBARA FUKUJI
IPC分类号： A62C35/68 , A62C37/11
摘要： PROBLEM TO BE SOLVED: To enable a cylinder to have a size to resist against creep and enable an operation speed to be increased by filling in the cylinder a filler composed of a low melting point alloy having a melting point at a specified temperature and a liquidous auxiliary material having a melting point lower than that of the alloy. SOLUTION: A cylinder 19 formed into a bottomed cylindrical shape having a slightly thicker than an outer diameter of a plunger 18 is placed at an upper part of the plunger 18, with its opening it positioned downward, and a filler 20 is filled therein. The degree of volume of the cylinder 19 is made to have such a mechanical strength that the low melting point alloy filled therein can endure sufficiently against a long time of creeping. The filler 20 is constituted to surround a cylindrical alloy 21 having a specified low melting point, with an auxiliary material 22 having a lower melting point than that of the alloy 21. With such a constitution, the material 22 is melted before the alloy 21 is melted. Accordingly, the alloy melts immediately at the specified temperature.

47. 发明专利

JPH10108918A FLASH TYPE SPRINKLER HEAD 失效
公开(公告)号：JPH10108918A
公开(公告)日：1998-04-28
申请号：JP28161396
申请日：1996-10-04
申请人： SENJU SPRINKLER KK
发明人： SATO KOKI
IPC分类号： A62C31/02 , A62C37/11
摘要： PROBLEM TO BE SOLVED: To provide a flash type sprinkler head by which a deflector is not vibrated during spraying and a specified spray area is obtd. and uniform spraying can be performed. SOLUTION: Water flowing into a water conveyance hole 6 from a pipeline exhibits a turbulent flow wherein the flow rate and the direction are partly different and when the turbulent flow collides with the deflector, the deflector is vibrated thereby and as the result, nonuniform spraying occurs. In this flash type sprinkler head, a plurality of water flow paths 8 are formed on the wall face of the water conveyance hole 6 in the longitudinal direction to correct the water flowing in the water flowing paths into a unidirectional flow and water over the whole region in the water conveyance hole is made into a unidirectional flow by the influence thereof.

48. 发明专利

JPH08161981A DELAY TIMER 失效
公开(公告)号：JPH08161981A
公开(公告)日：1996-06-21
申请号：JP32930194
申请日：1994-12-05
申请人： SENJU SPRINKLER KK
发明人： KIKUCHI TETSUO
IPC分类号： A62C37/40 , H01H1/08 , H01H29/10
摘要： PURPOSE: To provide a delay timer which has a simple structure, hardly fails and, when mounted in the water detecting device of a sprinkler extinguishing facility, eliminates the need for difficult inner machining of the water detecting device, and which when in a device in which it should make a signal after a predetermined time, surely discriminates between operating and nonoperating states so that the signal is made only when in the state of operating. CONSTITUTION: The inside of a sealed pipe 2 is split into an electrode chamber 3 with two electrodes 6, 7 and an electrodeless chamber 4 having no electrodes therein, with an orifice 5 formed between them. A conductive fluid 9 such as mercury is sealed inside the sealed pipe by an amount which, when the electrode chamber 3 is at the bottom, can make contact with the two electrodes. The delay timer is suited for the water detecting device of a sprinkler extinguishing facility.

49. 发明专利

JPH07178193A DELAY MECHANISM FOR SPRINKLER EXTINGUISHMENT FACILITY 失效
公开(公告)号：JPH07178193A
公开(公告)日：1995-07-18
申请号：JP34595193
申请日：1993-12-24
申请人： SENJU SPRINKLER KK
发明人： KIKUCHI TETSUO , SATO KATSUHIKO
IPC分类号： A62C37/36
摘要： PURPOSE:To provide an alarm which turns on a switch to transmit alarm signals at a constant time after opening a valve every time regardless of the water pressure passing through flowing water detection equipment, by installing an automatic water discharge valve with a stopper body possible to adjust the drainage quantity by water pressure at the drainage opening in a signal water flowing part between flowing water detection equipment and delay equipment. CONSTITUTION:When a fire breaks out, a valve body 15 of a flowing water detection equipment 8 is completely opened, a signal water discharge opening 17 is also kept opening, water flown into the secondary side Y abundantly flows into the signal water discharge opening and pushes a stopper body 27 of an automatic water discharge valve away to open a drainage opening 24 wherefrom a part of the signal water is discharged. The signal water with a quantity over the total quantity discharged from the discharge opening 24 of the automatic discharge valve 22 and an orifice 20 is sent and flown into a cross joint 19 to raise the level in a chamber. When the level comes over an air pipe 21, air remained in the upper part of the chamber is compressed, and when the pressure comes over a designated pressure, a switch 11 is turned on to transmit electric signals to a control panel and an alarm is transmitted from the control panel.

50. 发明专利

JPH0788209A INSPECTING METHOD AND DEVICE FOR PIPING CONDITION IN FIRE EXTINGUISHING FACILITY WITH SPRINKLER 失效
公开(公告)号：JPH0788209A
公开(公告)日：1995-04-04
申请号：JP25748193
申请日：1993-09-22
申请人： SENJU SPRINKLER KK
发明人： OZAWA AKIHIRO
IPC分类号： A62C37/50
摘要： PURPOSE:To make inspection of the piping condition, for example poor installing workmanship with the piping not secured to sprinkler head correctly or the piping being clogged with foreign matters, simply and accurately without requiring the sprinkler head or piping to be subjected to any processing or fitting. CONSTITUTION:To part of a piping such as a main pipe 1 or branch pipe 3, sound or vibration for example ultrasonic is given using a vibrating device 11, and a microphone 12 is set on sprinkler heads 9a, 9b, 9c, 9d, and vibration caught by this microphone is heard acoustically through an amplifier 13 and earphone 14, and thereupon existence of piping, its clog, etc., are inspected through analyzing of the acoustic signals.

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