WO1992009853A1 - Dispositif d'allumage - Google Patents
Dispositif d'allumage Download PDFInfo
- Publication number
- WO1992009853A1 WO1992009853A1 PCT/JP1991/001667 JP9101667W WO9209853A1 WO 1992009853 A1 WO1992009853 A1 WO 1992009853A1 JP 9101667 W JP9101667 W JP 9101667W WO 9209853 A1 WO9209853 A1 WO 9209853A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- nozzle
- gas
- jet
- cover
- tip
- Prior art date
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 239000011810 insulating material Substances 0.000 claims abstract description 7
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 239000002184 metal Substances 0.000 description 24
- 239000004020 conductor Substances 0.000 description 7
- 230000003313 weakening effect Effects 0.000 description 3
- -1 wind Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q2/00—Lighters containing fuel, e.g. for cigarettes
- F23Q2/28—Lighters characterised by electrical ignition of the fuel
- F23Q2/285—Lighters characterised by electrical ignition of the fuel with spark ignition
- F23Q2/287—Lighters characterised by electrical ignition of the fuel with spark ignition piezoelectric
Definitions
- the present invention relates to a structure of an igniter which discharges a flame ignited by discharge from gas contained in a built-in gas tank.
- an ignition device such as an ignition device and a tabletop gas lighter
- a flame is ejected from a rod-shaped projecting end from a valve mechanism for opening and closing gas ejection.
- a jet nozzle for jetting gas is installed, and the periphery of the jet nozzle is covered with a metal cover having air holes.
- the ejection nozzle communicates with the outside through the air hole opened below and to the side of the cover, and the When fireworks smoke, wind, oil, etc. intrudes, insulating material adheres to the jet nozzle, weakening the discharge spark and reducing ignitability, or causing the wind to act directly on the flame and extinguish the flame.
- a cap is separately attached to the tip, but it is troublesome to attach and detach the cap, and there is a risk of loss.
- the air holes formed in the cover covering the jet nozzle are necessary for obtaining good combustion by mixing air with the jetted gas, and closing the gas hole reduces the ignitability. Therefore, a predetermined opening is required, and the above-described problem occurs.
- an object of the present invention is to provide an ignition device that maintains the ignitability by preventing the adhesion of an insulator to the ejection nozzle at the tip and the wind to prevent ignitability.
- an ignition device includes a gas tank, a valve mechanism, and a piezoelectric unit, and further includes an ejection nozzle that ejects gas at a tip end of a protruding rod-shaped extension from the valve mechanism.
- Discharge electrodes are arranged in the vicinity of the ejection nozzle and discharge ignition is performed on the ejection gas.
- a nozzle cover made of insulating material is arranged on the outer peripheral side of the ejection nozzle, and the ejection cover is provided at the tip of the nozzle cover.
- a front wall extending toward the center at a position forward of the tip of the nozzle is formed, and the front wall is provided in a structure having an open portion from which a front portion of the ejection nozzle and an upper discharge electrode side portion are removed. .
- the nozzle cover is located on the outer peripheral side of the jet nozzle at the tip of the extension, leaving the open part of the front part of the jet nozzle and the upper part on the discharge electrode side. Due to the formation of the front wall at the front position, The vicinity of the tip of the nozzle is covered with this nozzle cover, reducing the effects from the outside, making it difficult for the fireworks smoke, wind, oil, etc. acting from the air holes to come into direct contact, causing insulation to adhere to the jet nozzle. It is possible to prevent problems such as weakening of the discharge spark to reduce the ignitability and the extinguishing of the flame by the wind, so that good ignitability and gas combustion can be obtained. .
- FIG. 1 is a cross-sectional side view showing an entire configuration of an ignition device according to an embodiment of the present invention.
- Figure 2 is a cross-sectional plan view of the device
- Fig. 3 is an enlarged view of the main part of Fig. 1,
- Figure 4 is a perspective view of the nozzle cover
- FIG. 5 is a cross-sectional front view showing an ignition device according to another embodiment
- FIG. 6 is a perspective view of a tip of an extension portion from which a metal cylinder is removed according to still another embodiment.
- FIG. 1 is a cross-sectional side view showing the entire configuration of an ignition device as an example of an ignition device
- FIG. 2 is a cross-sectional plan view of the same
- FIG. 3 is an enlarged cross-sectional side view of a main part.
- the ignition device 1 includes a main body 2 and an extension 3 extending in a rod shape from the main body 2.
- the main body 2 and the extension 3 are formed in a separate unit structure, This is an example in which they are integrated by engagement of both.
- the main body 2 has a case portion formed of a tank cover 5 and an intermediate case 6 in front of the tank cover 5.
- the tank cover 5 is formed in a cylindrical shape with an open front, the intermediate case 6 is divided into right and left, a lower portion has a window 6a for an ignition lever, and a distal end has an opening 6b for extending an extension. Are formed.
- a gas tank 7 containing high-pressure gas is provided inside the tank cover 5.
- the gas tank 7 is formed by coupling a tank body 7a to a tank cover 7b, and a valve mechanism 8 for opening and closing gas supply from the gas tank 7 is arranged on the tank cover 7b. That is, the wick 9 is inserted into the gas tank 7, and gas is supplied through the wick 9, and the nozzle member 10 is interposed in the gas passage.
- the passage is opened by the forward movement of the nozzle member 10 to supply the gas, and the passage is closed by the backward movement by the spring to stop the gas supply.
- the gas supply amount that is, the size of the flame is adjusted by turning a flame adjusting knob 13 connected to the adjusting sleeve 12 and projected to the outside.
- a rotating lever for opening the nozzle member 10 is engaged with the tip of the nozzle member 10 of the valve mechanism 8, and the nozzle member 10 in front of the rotating lever U is further engaged.
- a shield packing 15 made of an elastic material is mounted at the foremost part.
- the other end of the rotating lever 14 is linked to a piezoelectric unit 20 described later.
- An ignition lever 18 is disposed inside the window 6a of the intermediate case 6 so as to be freely slidable back and forth, and a rear portion of the ignition lever 18 is provided between the ignition lever 18 and the tank lid 7b. Piezo unit 20 is installed.
- the piezoelectric unit 20 supplies a discharge voltage, and the slide portion 20a retreats with the retreat operation of the ignition lever 18, and the projection 20b moves in accordance with the retreat with the rotation lever 14a. And rotate it, and feed the discharge voltage generated inside the piezoelectric unit 20.
- the rotating lever 14 is formed in a substantially L-shape, is supported so as to rotate about a fulcrum 14a in the middle part, and the projection 20b of the piezoelectric unit 20 retreats to rotate the rotating lever 14.
- the other end rotates upward, the other end of the rotating lever 14 engaged with the nozzle member 10 of the valve mechanism 8 moves so that the nozzle member 10 is pulled forward, and the valve mechanism 8 is opened. It operates to supply gas.
- the protrusion 20b also serves as one electrode terminal of the discharge voltage, and the nozzle member 10 is energized from the protrusion 20b via the rotary lever 14 formed of a conductive resin.
- the other electrode of the discharge voltage is connected to a contact 21a disposed on the side of the intermediate portion of the pipe holder 17 to be described later by an earth plate 21 from the tip of the slide portion 20a of the piezoelectric unit 20.
- the base part of the earth plate 21 is sandwiched between the piezoelectric unit 20 and the ignition lever 18, bent forward at the upper part of the ignition lever 18, and furthermore, the pipe holder 17.
- a contact 21a is formed to bend laterally and forward in the vicinity of the flange portion 17d, and to be pressed toward the center side of the center line of the pipe holder 117. Then, the ground plate 21 moves integrally with the slide of the ignition lever 18.
- a jet nozzle 26 for jetting gas is disposed inside the tip of a rod-shaped metal cylinder 25.
- the ejection nozzle 26 has a nozzle tip 27 at the tip, a rear end fitted to the tip of the gas pipe 28, and an outer peripheral portion made of an insulating material such as plastic as shown in FIG.
- Nozzle cover 30 is provided.
- the nozzle cover 30 has a cap-shaped holder portion 29 fitted to the outer peripheral portion on the distal end side of the gas pipe 28 from the jet nozzle 26.
- the rear end portion 29a of the holder portion 29 is formed with a rectangular flange projecting outward, and its four corners abut the inner surface of the metal cylinder 25 and are arranged concentrically.
- the nozzle cover 30 has a cover portion 31 which is integrally connected at an upper portion thereof in front of the holder portion 29 and extends.
- a portion connected to the holder portion 29, which is a rear end portion of the cover portion 31, has a lower portion cut out, and a front end portion of the ejection nozzle 26 is exposed.
- a front wall 31a is formed at a front end portion of the cover portion S1 at a position forward of the front end of the nozzle tip 27.
- the upper portion of the front wall 31a is cut out in a V shape from the front of the nozzle tip 27 to form an open portion 31b, and the open portion 31b is formed as shown in FIGS. 2 and 3.
- the opening is defined so that the discharge electrode side faces inward of the cover 31 until the nozzle tip 27 is exposed to ensure ignition.
- a slit is formed on the front wall 31a below the V-shaped lower point of the opening 31b. Therefore, the front wall 31a is formed in a fan shape facing each other when viewed from the front. Further, engagement grooves 31c are formed on both sides of the outer surface of the cover part 31 to engage with the tips of the bent pieces 25d of the metal cylinder 25.
- a crater 25a through which a flame passes is opened at the center of the end face, a plurality of air introduction ports 25b are opened on the side of the rear, and the cylinder is further above the rear.
- a discharge electrode 32 is provided in which a part of the body is bent toward the center.
- An air inlet 25b is also opened at the position where the discharge electrode 32 is formed, and an air inlet 25c of four peripheral places is provided at a position corresponding to the cover 29 at a rear portion slightly away from the front end. It is formed to extend in the axial direction.
- the nozzle cover 30 inserted into the distal end of the metal cylinder 25 as described above faces the upper part of the V-shaped opening 31b, and the discharge electrode 32 is located in front of the cover 31.
- the air inlet 25b is open ahead of the wall 31a.
- the air introduced from the air introduction port 25c opened to the metal cylinder 25 flows from the space on the outer periphery of the holder 29 into the space inside the cover 31.
- a gas pipe 28 inserted from the rear into an inner hole of the holder portion 29 of the nozzle cover 30 guides gas to the ejection nozzle 26.
- the gas pipe 28 is formed of a hard material, and the gas pipe 28 penetrates rearward through the center of the metal cylinder 25, and its rear end protrudes from the rear end of the metal cylinder 25. Is formed.
- a pipe holder 17 is fitted to the rear end of the metal cylinder 25 and the gas pipe 28.
- a covered conductor 33 is fitted inside the gas pipe 28, and the covered conductor 33 a has both ends of the covering 33 a removed to expose a central conductor. Further, a gas conducting groove 33b extending in the axial direction is formed in an outer peripheral portion of the coating 33a of the coating conductor 33.
- a terminal member 34 is attached to the rear end of the gas pipe 28.
- the terminal member 34 is formed in a hollow sleeve shape, one end is inserted into the gas pipe 28 from the pipe holder 17, and the other end is formed in a flange shape with a large outer diameter, and an end hole of the pipe holder 17 is formed. Is engaged. Then, the covered conductor 33 electrically contacts the ejection nozzle 26 at the tip and the terminal member 34 at the other end.
- the pipe holder attached to the rear end of the gas pipe 28 is formed in a substantially cylindrical shape, and the opening 17a at the center where the gas pipe 28 is inserted from the front has a large opening and a middle part.
- a circumferential groove 17b on the outer periphery of the rear end is provided to be able to engage with the engaging portion 6c of the intermediate case 6.
- the terminal member 34 is fitted from the rear end thereof, and the rear surface of the terminal member 34 is provided with the valve mechanism 8.
- the sealed packing 15 attached to the tip of the nozzle member 10 can be abutted.
- the front end of the pipe holder 117 is inserted into the rear end of the metal cylinder 25, and the rear end of the metal cylinder 25 abuts on the intermediate flange 17d of the pipe holder 17 to engage. Will be stopped.
- the extension 3 is attached to the main body 2 as described above, by fitting the base of the rod-shaped extension 3 through the opening 6b of the main body 2 so that the two are engaged and integrated. It is. That is, the gas holder 28 and the pipe holder 17 pre-assembled with the metal cylinder 25 are set in the divided intermediate case 6 of the main body 2, and the engagement part 6 c and the pipe holder: peripheral groove of 17 1 7b and are engaged to perform positioning, and the intermediate case 6 is closed from both sides and integrated.
- the terminal member 34 and the nozzle member 10 are connected, and the gas passage inside the gas pipe 28 and the gas passage of the valve mechanism 8 communicate. Also, the contact 21a of the electrode 21 abuts on the peripheral surface of the metal cylinder 25 so that one pole to the discharge electrode 32 conducts, and a high voltage is applied from the nozzle member 10 to the terminal member 34. Electricity can be supplied and the other electrode to the nozzle tip 27 conducts, and both electrodes of the piezoelectric unit 20 are electrically connected.
- the valve member 10 of the valve mechanism 8 is pulled out with the movement of the projection 20 b of the piezoelectric unit 20.
- the mechanism 8 is opened to supply gas.
- Nozzle member The gas sent from 10 extends through the narrowed gas passage between the outer periphery of the sheathing wire 33 of the gas pipe 28 and the gas conduction groove 33b of the sheathing 33a. Squirted from.
- the groove 33b of the covered wire 33 allows the wire 33 to move inside the gas pipe 28 so that the gas passage is secured even when the end face of the covered 33a closes the opening of the ejection nozzle 26 or the terminal member 34. I have to.
- the gas flow velocity is high through a portion of the gas pipe 28 having a small passage cross-sectional area with the outer periphery of the insulated wire 33, and the arrival time is shortened due to the small passage volume therebetween.
- the time from the opening operation to the gas ejection by the ejection nozzle 26 is shortened.
- a discharge voltage (AC voltage) is generated from the piezoelectric unit 20 in accordance with the operation of the ignition lever 18, and the discharge voltage passes through the metal cylinder 25 and the conductor 33 in the gas pipe 28, and discharges the extension 3.
- a voltage is applied between the electrode 32 and the nozzle tip 27 to ignite the ejected gas.
- a part of the ejected gas collects in the cover part 31 of the nozzle cover 30 and is introduced from the air inlet 25c on the back.
- the ignitability by the discharge spark is improved by mixing with the discharged air.
- the conductive wire 33 is disposed at the center of the metal cylinder 25 serving as the ground, the distance between the grounds is long, the floating capacity in the discharge of the AC high voltage is reduced, and the leakage amount is reduced. The ignition rate is improved.
- the tip of the nozzle tip 27 is located inside the force cover part 31 of the nozzle cover 30 and is covered by the nozzle cover 30 and the metal cylinder 25, so that the flame is extinguished without direct action of wind, oil, fireworks and the like.
- the main body 2 and the extension 3 are formed separately and assembled, but they may be formed as an integral structure.
- the gas pipe 28 may be formed of a flexible member without using a hard material, and the electric current may be supplied to the metal cylinder 25 by connecting a conductor without depending on the earth plate 21. .
- FIG. 5 shows, as another embodiment, an ignition device applied to a tabletop gas lighter.
- the basic structure is the same as that of the previous example, and the same parts are denoted by the same reference numerals. ing.
- the desk lighter 50 in this example is provided in such a shape that the case 55 in the lower main body 52 having the valve mechanism 8 and the like arranged in the up and down direction can be erected. Is formed differently from the previous example.
- An ignition lever 54 for operating the piezoelectric unit 20 disposed in the main body 52 is disposed so as to be vertically slidable, and the sliding of the piezoelectric unit 20 is performed in accordance with the pressing operation.
- the part 20a moves downward, generating the discharge voltage and operating the rotating lever 14. Do the work.
- the ignition lever 54 is provided so as to form an upper portion of the case portion 55.
- the extension 53 extending upward from the nozzle mechanism 8 of the main body 52 has a length shorter than that of the previous example, that is, the length of the metal cylinder 25 and the length of the gas pipe 28.
- the shapes of the nozzle 26, the nozzle cover 30, the conducting wire 33, and the like are provided in the same manner as in the previous example, and the same operation is obtained.
- FIG. 6 is a perspective view of the distal end of the extension portion from which the metal cylinder 25 according to still another embodiment is removed.
- the nozzle cover 30 has an integral structure of the holder portion 29 and the cover portion 31, but the nozzle cover 30 'of this example has the holder portion 29' and the cover part 3 separately. It is an example formed in a body structure.
- the jet nozzle 26 has a nozzle tip 27 at the front end as in the example of FIG. 1, and the rear end (not shown in FIG. 6) is fitted into the front end of the gas pipe 28, and from the front end to the outer periphery.
- a cap-shaped holder portion 29 'of the nozzle cover W made of insulating material is fitted, and a rear end portion 29a' of the holder portion 29 'protrudes outward in a flange shape to form a metal cylinder 25 (not shown). Is in contact with the inner peripheral surface of the.
- the first half of the jet nozzle 26 protrudes from the holder portion 29 ', and a cylindrical cover portion 3 of a nozzle cover 30' made of insulating material has a predetermined space on the outer periphery of the protruding portion. It is arranged so as to be fitted in.
- the front end of the cover 3 ⁇ ′ was cut out in a V-shape upward from the front of the nozzle tip 27 of the ejection nozzle 26.
- a front wall 3 Id ′ extends from the periphery toward the center toward the center at a position forward of the tip of the nozzle tip 27 except for the opening 31 a ′.
- An air introduction groove 31b 'extending in the axial direction is formed on both sides of the rear portion of the cover portion 31'.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lighters Containing Fuel (AREA)
- Spark Plugs (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP91920814A EP0515694B1 (en) | 1990-11-30 | 1991-11-29 | Ignition device |
DE69114273T DE69114273T2 (de) | 1990-11-30 | 1991-11-29 | Zündanlage. |
HK98106581A HK1007345A1 (en) | 1990-11-30 | 1998-06-25 | Ignition device |
Applications Claiming Priority (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13057990 | 1990-11-30 | ||
JP2/130579U | 1990-11-30 | ||
JP1990130577U JP2536865Y2 (ja) | 1990-11-30 | 1990-11-30 | 点火棒 |
JP2/130577U | 1990-11-30 | ||
JP13057890 | 1990-11-30 | ||
JP2/130578U | 1990-11-30 | ||
JP1991096547U JP2573994Y2 (ja) | 1990-11-30 | 1991-11-25 | 点火装置 |
JP3/96547U | 1991-11-25 | ||
JP1991096548U JP2573995Y2 (ja) | 1990-11-30 | 1991-11-25 | 点火装置 |
JP3/96548U | 1991-11-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1992009853A1 true WO1992009853A1 (fr) | 1992-06-11 |
Family
ID=27525798
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1991/001665 WO1992009851A1 (fr) | 1990-11-30 | 1991-11-29 | Dispositif d'allumage |
PCT/JP1991/001667 WO1992009853A1 (fr) | 1990-11-30 | 1991-11-29 | Dispositif d'allumage |
PCT/JP1991/001666 WO1992009852A1 (en) | 1990-11-30 | 1991-11-29 | Ignition device |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1991/001665 WO1992009851A1 (fr) | 1990-11-30 | 1991-11-29 | Dispositif d'allumage |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1991/001666 WO1992009852A1 (en) | 1990-11-30 | 1991-11-29 | Ignition device |
Country Status (9)
Country | Link |
---|---|
US (3) | US5322433A (ja) |
EP (3) | EP0516858B1 (ja) |
CN (3) | CN1044153C (ja) |
CA (3) | CA2073977C (ja) |
DE (3) | DE69116868T2 (ja) |
ES (3) | ES2078554T3 (ja) |
HK (3) | HK1007439A1 (ja) |
MX (1) | MX174397B (ja) |
WO (3) | WO1992009851A1 (ja) |
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CN107013938B (zh) * | 2017-05-12 | 2019-08-30 | 赣州市卫诚火机制造有限公司 | 具有硬质通气导电件的点火枪 |
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US3071182A (en) * | 1960-02-03 | 1963-01-01 | Arthur G Steinmetz | Compact fuel burner with electric ignition means |
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FR1592091A (ja) * | 1968-02-27 | 1970-05-11 | ||
DE1905000A1 (de) * | 1969-02-01 | 1970-10-08 | Junkers & Co | Handbetaetigter Gasanzuender |
US3694134A (en) * | 1970-09-18 | 1972-09-26 | Harris Calorific Co | Electrically ignited gas torch with shut-off valve and latch therefor |
US3947731A (en) * | 1974-01-01 | 1976-03-30 | Manufactura de Articulos para el Hogar "Aurora" Sociedad Anonima Industrial Comercial, Inmobiliaria y Financiera | Piezoelectric lighter |
JPS5672062U (ja) * | 1979-11-02 | 1981-06-13 | ||
JPS5672063A (en) * | 1979-11-16 | 1981-06-16 | Toyo Ink Mfg Co Ltd | Aqueous printing ink for plastic |
DE3374651D1 (en) * | 1982-07-22 | 1988-01-07 | Prince Industrial Dev | Catalyst combustion curling device |
JPS6055877U (ja) * | 1983-09-26 | 1985-04-19 | 株式会社タニタ | 着火器の火口 |
DE3427587A1 (de) * | 1984-07-26 | 1986-02-06 | Leybold-Heraeus GmbH, 5000 Köln | Zerstaeubungseinrichtung fuer katodenzerstaeubungsanlagen |
JPH0220620Y2 (ja) * | 1984-11-05 | 1990-06-05 | ||
DE8436764U1 (de) * | 1984-12-15 | 1985-03-14 | Consuma AG, Balzers | Handgasfeuerzeug |
JPS61272518A (ja) * | 1985-05-25 | 1986-12-02 | Nakajima Doukoushiyo:Kk | 液化ガスを用いた熱加工装置 |
JPS6245560A (ja) * | 1985-08-22 | 1987-02-27 | Sanyo Kokusaku Pulp Co Ltd | 新規アクリレ−トおよびその製造法 |
JPH037725Y2 (ja) * | 1985-09-07 | 1991-02-26 | ||
JPS6281858U (ja) * | 1985-11-12 | 1987-05-25 | ||
JPS6330049A (ja) * | 1986-07-23 | 1988-02-08 | Hitachi Ltd | Msk復調回路 |
JPS6349167A (ja) * | 1986-08-15 | 1988-03-01 | 日本金属株式会社 | 酸素供給容器 |
JPH0547951Y2 (ja) * | 1986-09-11 | 1993-12-17 | ||
US4920952A (en) * | 1987-08-05 | 1990-05-01 | Masahiko Nakajima | Heat processing apparatus using liquified gas |
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-
1991
- 1991-11-29 CA CA002073977A patent/CA2073977C/en not_active Expired - Fee Related
- 1991-11-29 EP EP91920769A patent/EP0516858B1/en not_active Expired - Lifetime
- 1991-11-29 DE DE69116868T patent/DE69116868T2/de not_active Expired - Fee Related
- 1991-11-29 EP EP91920813A patent/EP0515693B1/en not_active Expired - Lifetime
- 1991-11-29 CA CA002073961A patent/CA2073961C/en not_active Expired - Fee Related
- 1991-11-29 WO PCT/JP1991/001665 patent/WO1992009851A1/ja active IP Right Grant
- 1991-11-29 WO PCT/JP1991/001667 patent/WO1992009853A1/ja active IP Right Grant
- 1991-11-29 MX MX9102306A patent/MX174397B/es unknown
- 1991-11-29 ES ES91920813T patent/ES2078554T3/es not_active Expired - Lifetime
- 1991-11-29 WO PCT/JP1991/001666 patent/WO1992009852A1/ja active IP Right Grant
- 1991-11-29 ES ES91920769T patent/ES2082997T3/es not_active Expired - Lifetime
- 1991-11-29 US US07/910,165 patent/US5322433A/en not_active Expired - Fee Related
- 1991-11-29 ES ES91920814T patent/ES2078555T3/es not_active Expired - Lifetime
- 1991-11-29 DE DE69114272T patent/DE69114272T2/de not_active Expired - Fee Related
- 1991-11-29 CN CN91111270A patent/CN1044153C/zh not_active Expired - Fee Related
- 1991-11-29 DE DE69114273T patent/DE69114273T2/de not_active Expired - Fee Related
- 1991-11-29 US US07/910,164 patent/US5326256A/en not_active Expired - Fee Related
- 1991-11-29 CN CN91111269A patent/CN1043077C/zh not_active Expired - Lifetime
- 1991-11-29 CA CA002073980A patent/CA2073980C/en not_active Expired - Fee Related
- 1991-11-29 EP EP91920814A patent/EP0515694B1/en not_active Expired - Lifetime
- 1991-11-29 US US07/910,163 patent/US5284439A/en not_active Expired - Fee Related
- 1991-11-29 CN CN91111268A patent/CN1043076C/zh not_active Expired - Fee Related
-
1998
- 1998-06-25 HK HK98106582A patent/HK1007439A1/xx not_active IP Right Cessation
- 1998-06-25 HK HK98106581A patent/HK1007345A1/xx not_active IP Right Cessation
- 1998-06-25 HK HK98106580A patent/HK1007344A1/xx not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS5672063U (ja) * | 1979-11-02 | 1981-06-13 | ||
JPS6349167U (ja) * | 1986-09-12 | 1988-04-02 |
Non-Patent Citations (1)
Title |
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See also references of EP0515694A4 * |
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