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1. 发明专利

JP2005055421A Internal pressure testing method and system for sealed vessel 审中-公开
标题翻译：密封容器的内压测试方法和系统
公开(公告)号：JP2005055421A
公开(公告)日：2005-03-03
申请号：JP2004006004
申请日：2004-01-13
申请人： Daiwa Can Co Ltd , 大和製罐株式会社
发明人： MASUDA MASAYUKI , TANIGUCHI KATSUHIKO
IPC分类号： G01L11/00 , B65B57/02 , G01M3/24
摘要： PROBLEM TO BE SOLVED: To improve test accuracy in hammering sound test of a sealed vessel contained in a carton.
SOLUTION: With the inside pressure test method for a sealed vessel, the quality of the internal pressure is determined, based on frequency and strength of sound emitted by a bottle-shape can 1A, when impact force is given to the sealed vessel contained in a carton 2A by electromagnetic induction force from outside the carton 2A, and forcedly exciting the bottle-shape can 1A. The frequency, emitted by the bottle shape cans 1A, is finely divided at specific intervals in the testing method for sealed vessels, a maximum magnitude peak frequency is obtained from the distribution of finely divided frequency and magnitude (step S2), the average frequency is obtained from the distribution of each frequency and magnitude in a specific frequency region centered about the maximum peak frequency (step S5), and the quality of the internal pressure of the bottle shape cans 1A is determined, based on the average frequency.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提高包装在纸箱中的密封容器的锤击声测试中的测试精度。解决方案：利用密封容器的内部压力测试方法，当对密封容器施加冲击力时，基于瓶形罐1A发出的声音的频率和强度来确定内部压力的质量通过来自纸箱2A外部的电磁感应力包装在纸箱2A中，并强制地激励瓶形罐1A。在密封容器的测试方法中，瓶形罐1A发出的频率以特定间隔进行细分，从细分频率和幅度的分布获得最大幅度峰值频率（步骤S2），平均频率为从以最大峰值频率为中心的特定频率区域中的每个频率和幅度的分布获得，并且基于平均频率来确定瓶形罐1A的内部压力的质量。版权所有（C）2005，JPO＆NCIPI

2. 发明专利

JP2000252048A INDUCTION HEATING DEVICE FOR CANNED DRINK 失效
公开(公告)号：JP2000252048A
公开(公告)日：2000-09-14
申请号：JP4848799
申请日：1999-02-25
申请人： DAIWA CAN CO LTD
发明人： MASUDA MASAYUKI , MATSUNAGA MASAMI , WATANABE YOSHIKI
IPC分类号： G07F9/10 , G07F11/70 , H05B6/06 , H05B6/10
摘要： PROBLEM TO BE SOLVED: To obtain an induction heating device for canned drinks capable of heating a canned drink in a short time by use of a low-voltage commercial AC power supply. SOLUTION: This induction heating device for canned drinks includes an electricity storage means 28 having both a storage battery 26 to be charged and discharged and a charger 24 for charging the storage battery 26 by use of power from a commercial power supply; a constant voltage control means 38 for controlling the discharge power discharged from the storage battery 26 to a prescribed voltage value; an inverter means 40 for converting the power voltage-controlled by the constant voltage control means 38 into an AC current of a prescribed frequency; and an induction heating means 14 for inducing an induction current to a can wall by the high-frequency current outputted from the inverter means 40.

3. 发明专利

JPH10300653A METHOD AND SYSTEM FOR INSPECTING INNER PRESSURE OF CANNED PROVISIONS 失效
公开(公告)号：JPH10300653A
公开(公告)日：1998-11-13
申请号：JP12483997
申请日：1997-04-28
申请人： DAIWA CAN CO LTD
发明人： MASUDA MASAYUKI , TANIGUCHI KATSUHIKO
IPC分类号： G01L11/00 , B65B57/02 , G01M3/26 , G01M99/00 , G01N3/08
摘要： PROBLEM TO BE SOLVED: To ensure an accurate inspection by pressing the drum of a can in the diametral direction and measuring the reaction, and then pressing the drum of the can in the diametral direction from the different side and measuring the reaction, and calculating the inner pressure of a canned provisions from the average value of two measurements. SOLUTION: A canned provisions 12 to be inspected is conveyed on a belt conveyor and the inner pressure thereof is measured by a first measuring means 10 and then measured again by a second measuring means 50. Since rollers 54a, 54b are turning at same circumferential speed, the second measuring means 50 measures the inner pressure of a canned provisions by pressing the canned provisions in a diametral direction differently from the first measuring means 10 and measuring the reaction thereof. Reactions measured by the first and second measuring means 10, 50 are delivered to an operating means 100 and averaged. An inner pressure operating section 104 operates the inner pressure of the canned provisions from a relational chart between the reaction and the inner pressure of the canned provisions previously determined from the average value. A decision section 106 compares the operated inner pressure with a reference value and decides whether the inner pressure of the canned provisions 12 to be inspected is acceptable or not.

4. 发明专利

JPH05269A CONTROLLING METHOD FOR HEATING COIL METAL PLATE 失效
公开(公告)号：JPH05269A
公开(公告)日：1993-01-08
申请号：JP15132991
申请日：1991-06-24
申请人： DAIWA CAN CO LTD
发明人： KUBOSHIMA AKIRA , MASUDA MASAYUKI , UMEDA KATSUMI
IPC分类号： B05D3/02 , B05D7/14 , H05B6/10
摘要： PURPOSE:To maintain heating a metal plate accurately at a specified temperature by controlling the linear velocity indicating the output power to a high frequency induction heater on the basis of the specified velocity of the coil metal plate, material properties, the standard thickness of the plate, the specified heating temperature, and the temperature before heating and by controlling the temperature measurement correcting the indication of linear velocity control on the basis of the temperature after heating. CONSTITUTION:A coil metal plate 10, which is coated with coating and/or printing ink during progress at a constant velocity, is heated at a specified temperature in a high frequency induction heater 1. The linear velocity which indicates the output power to the high frequency induction heater 1 on the basis of the constant velocity, the properties of the metal plate 10, the standard plate thickness, the specified temperature, and the temperature of the metal plate 10 before heating specified previously is controlled, and the temperature measurement which corrects the indication of linear velocity control on the basis of the temperature of the metal plate 10 after heating is also controlled. Thus, the metal plate can be heated accurately at a specified temperature while sufficiently reflecting complexly varying heating conditions.

5. 发明专利

JPH02284734A METHOD FOR DISCRIMINATING PRESENCE OR ABSENCE OF GENERATION OF BUCKLING OF CAN BODY AND DEVICE THEREOF 失效
公开(公告)号：JPH02284734A
公开(公告)日：1990-11-22
申请号：JP10474089
申请日：1989-04-26
申请人： DAIWA CAN CO LTD
发明人： MASUDA MASAYUKI
IPC分类号： G01N3/08 , B21D51/30 , B65B57/00
摘要： PURPOSE:To surely discriminate a buckling with simple constitution by grasping a can between a chuck and a lifter plate by the tension of a spring, measuring the tension and discriminating the generation of the buckling when the tension value is below a prescribed value. CONSTITUTION:A load receiving member 7 is provided on the plateau of a cam plate 1 in such a manner that the front surface thereof is positioned flush with the front surface of the plateau. A cam roll 15 in the lower part of a lifter plate support progressing on the plateau passes while pressing the load receiving member 7. The pressure grasping the can cap and can body, i.e., the tension of the spring 11 acts on a load cell 8 through the load receiving member 7. The tension is thus measured. This measured value is sent to a comparing and discriminating device where the value is compared with a preset reference value. The absence of the buckling is discriminated when the measured value is equal to or larger than the reference value. The generation of the buckling is discriminated when the value is smaller than the reference value.

6. 发明专利

JP2001009010A MICROWAVE STERILIZATION METHOD 失效
公开(公告)号：JP2001009010A
公开(公告)日：2001-01-16
申请号：JP18388399
申请日：1999-06-29
申请人： DAIWA CAN CO LTD
发明人： TAKATOMI TETSUYA , MASUDA MASAYUKI , HAMAZAKI JUN
IPC分类号： A23L3/01 , A61L2/12
摘要： PROBLEM TO BE SOLVED: To provide a microwave sterilization method which is capable of sufficiently sterilizing the object to be sterilized including the inside walls of a container even when the object to be sterilized is housed in the container and is hermetically sealed therein. SOLUTION: Housing containers 112 in which the objects 10 to be sterilized are housed and are hermetically sealed therein and which can form gap parts by heating and a humidifying agent 122 consisting of a hygroscopic object absorbing moisture and a hygroscopic bag housing the hygroscopic object are housed in a hermetic container 120 allowing the transmission of the microwaves and are hermetically sealed therein and are irradiated with the microwaves from outside the hermetic container, by which the heating sterilization is executed for the prescribed time at >=100 deg.C.

7. 发明专利

JP2000090347A BEVERAGE CAN INDUCTION HEATING DEVICE 失效
公开(公告)号：JP2000090347A
公开(公告)日：2000-03-31
申请号：JP26137698
申请日：1998-09-16
申请人： DAIWA CAN CO LTD , SHIMADA PHYSICAL CHEM IND CO
发明人： ISHIMA TSUTOMU , TAUCHI YOSHIO , MASUDA MASAYUKI , WATANABE YOSHIKI
IPC分类号： G07F11/70 , G07F13/00 , H05B6/06 , H05B6/10
摘要： PROBLEM TO BE SOLVED: To provide a beverage can induction heating device capable of easily discriminating the kind of a can body and improving the working rate of an automatic vending machine. SOLUTION: This device is for supplying the current I of a high frequency supplied from a high frequency power source 10 to heating coils 3A and 3B and induction-heating a beverage can 2 rotated by a prescribed rotation number in a peripheral direction by an induction current generated at the heating coils 3A and 3B. In the case that the beverage can 2 is an adhesive can, level fluctuation corresponding to the rotation number is generated in the current I. In the beverage can induction heating device, by detecting the level fluctuation, it is discriminated that the beverage can 2 is the adhesive can. Also, by lowering the output of induction heating for fixed time in the case of being the adhesive can, the re-dissolution of a thermally melt-sticking resin at an adhesive part and the local burning of the beverage can are prevented and the working rate of the automatic vending machine is improved.

8. 发明专利

JPH1194685A METHOD AND DEVICE FOR INTERNAL PRESSURE INSPECTION OF SEALED CONTAINER 失效
公开(公告)号：JPH1194685A
公开(公告)日：1999-04-09
申请号：JP27498097
申请日：1997-09-24
申请人： DAIWA CAN CO LTD
发明人： MASUDA MASAYUKI , TANIGUCHI KATSUHIKO
IPC分类号： G01L11/00 , G01M3/24
摘要： PROBLEM TO BE SOLVED: To avoid turbulence of a power distribution of a sound frequency to judge the propriety of internal pressure of a sealed container by separating the top wall part of a carton case from a hood part of the container before inspection of internal pressure by exciting forcibly a cover plate part of the sealed container. SOLUTION: A carton case restoring mechanism 12 is arranged on the upstream side from a can striking sound inspection mechanism 13 provided in a conveying passage (a belt conveyer) 11 of a carton case 2 storing a sealed container (canned goods) 1. An air cyliner 12a arranged on both sides of the belt conveyer 11 is extended to nip from both sides the carton case 2 conveyed by each air pressure-introducing part 12b, and compressed air is ejected from the part 12b to pressurize the inside of the carton case 2 from clearances of both sides of the carton case 2 to be inflated. A form of the caton case 2 deformed by a load form its upper side during storage is restored thereby, and the top wall part of the carton case 2 contacting with a cover plate part of the container 1 is separated from the cover plate part of the container 1.

9. 发明专利

JPH10222744A ROTARY HEATER FOR DRINK CAN 失效
公开(公告)号：JPH10222744A
公开(公告)日：1998-08-21
申请号：JP4000097
申请日：1997-02-07
申请人： DAIWA CAN CO LTD
发明人： MASUDA MASAYUKI , WATANABE YOSHIKI , SUZUKI HISASHI
IPC分类号： G07F9/10 , G07F11/70
摘要： PROBLEM TO BE SOLVED: To prevent the overheat of the surface or the burning or discoloring of print caused by overheat by detecting the rotation of a drink can. SOLUTION: Concerning this device, a drink can 1 filled with drink is rotated around its axial center and the drink can 1 is heated by a high frequency induced heater 3 arranged on the outer peripheral side of the drink can 1. In this case, in contact with the outer peripheral surface of the drink can 1 to be rotationally driven, a rotating member 11b to be rotated by the drink can 1, a rotation sensor 21 for outputting a prescribed signal to be rotated integrally with this rotating member 11b, and a controller 24 for stopping the high frequency induced heating of the drink can 1 in the case of outputting no prescribed signal from the rotation sensor 21 when heating the drink can 1 are provided.

10. 发明专利

JPH08159902A METHOD AND APPARATUS FOR INSPECTION OF INTERNAL PRESSURE OF CAN 失效
公开(公告)号：JPH08159902A
公开(公告)日：1996-06-21
申请号：JP32399094
申请日：1994-12-02
申请人： DAIWA CAN CO LTD
发明人： MASUDA MASAYUKI
IPC分类号： G01L11/00
摘要： PURPOSE: To enhance the accuracy of an inspection without being affected by the diameter of a measured can trunk and to judge whether the internal pressure of a can is proper or not by a method wherein the value of the internal pressure detected by pressing the can trunk part is converted into a standard diameter and corrected. CONSTITUTION: The diameter in the proper part of a can trunk part for a can 16 to be inspected is measured by a can-trunk-diameter measuring means 12. Then, the part of the can trunk part measured by a can-internal-pressure measuring means 14 is pressed, and the internal pressure of the can to be inspected is measured by its reaction force. The output of the can-trunk-diameter measuring means 12 and the internal pressure value measured by the internal- pressure measuring means 14 are regarded as a standard can-trunk-diameter by a correction means 30. Whether the internal pressure of the can to be inspected is proper or not is judged by the corrected internal pressure value.

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