SE503822C2 - Anordning vid en drivenhet för en ultraljudsförseglingsenhet - Google Patents

Anordning vid en drivenhet för en ultraljudsförseglingsenhet

Info

Publication number
SE503822C2
SE503822C2 SE9502225A SE9502225A SE503822C2 SE 503822 C2 SE503822 C2 SE 503822C2 SE 9502225 A SE9502225 A SE 9502225A SE 9502225 A SE9502225 A SE 9502225A SE 503822 C2 SE503822 C2 SE 503822C2
Authority
SE
Sweden
Prior art keywords
counterweight
drive unit
groove
ceramic plates
unit
Prior art date
Application number
SE9502225A
Other languages
English (en)
Swedish (sv)
Other versions
SE9502225L (sv
SE9502225D0 (sv
Inventor
Magnus Raabe
Original Assignee
Tetra Laval Holdings & Finance
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tetra Laval Holdings & Finance filed Critical Tetra Laval Holdings & Finance
Priority to SE9502225A priority Critical patent/SE503822C2/sv
Publication of SE9502225D0 publication Critical patent/SE9502225D0/xx
Priority to AT96109768T priority patent/ATE178548T1/de
Priority to DE69601980T priority patent/DE69601980T2/de
Priority to DK96109768T priority patent/DK0749901T3/da
Priority to EP96109768A priority patent/EP0749901B1/de
Priority to ES96109768T priority patent/ES2130719T3/es
Priority to CN96111100A priority patent/CN1093785C/zh
Priority to ARP960103203A priority patent/AR002516A1/es
Priority to RU96111967/13A priority patent/RU2175936C2/ru
Priority to BR9602832A priority patent/BR9602832A/pt
Priority to CA002179445A priority patent/CA2179445C/en
Priority to KR1019960022376A priority patent/KR100232502B1/ko
Priority to MX9602409A priority patent/MX9602409A/es
Priority to US08/665,898 priority patent/US5793148A/en
Priority to JP19381796A priority patent/JP3727725B2/ja
Priority to TW085110330A priority patent/TW307051B/zh
Publication of SE9502225L publication Critical patent/SE9502225L/xx
Publication of SE503822C2 publication Critical patent/SE503822C2/sv
Priority to GR990400852T priority patent/GR3029930T3/el

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/16—Applying or generating heat or pressure or combinations thereof by rotary members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0607—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements
    • B06B1/0611—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements in a pile
    • B06B1/0618—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements in a pile of piezo- and non-piezoelectric elements, e.g. 'Tonpilz'
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81427—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8145—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/816—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8167—Quick change joining tools or surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/95—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94
    • B29C66/951—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools
    • B29C66/9512—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools by controlling their vibration frequency
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/22—Applying or generating heat or pressure or combinations thereof by friction or ultrasonic or high-frequency electrical means
    • B65B51/225—Applying or generating heat or pressure or combinations thereof by friction or ultrasonic or high-frequency electrical means by ultrasonic welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/849—Packaging machines

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
  • Package Closures (AREA)
SE9502225A 1995-06-19 1995-06-19 Anordning vid en drivenhet för en ultraljudsförseglingsenhet SE503822C2 (sv)

Priority Applications (17)

Application Number Priority Date Filing Date Title
SE9502225A SE503822C2 (sv) 1995-06-19 1995-06-19 Anordning vid en drivenhet för en ultraljudsförseglingsenhet
AT96109768T ATE178548T1 (de) 1995-06-19 1996-06-18 Vorrichtung an einer antriebseinheit zur ultraschallversiegelung
DE69601980T DE69601980T2 (de) 1995-06-19 1996-06-18 Vorrichtung an einer Antriebseinheit zur Ultraschallversiegelung
DK96109768T DK0749901T3 (da) 1995-06-19 1996-06-18 Arrangement i en aktiveringsenhed til en ultralydforseglingsenhed
EP96109768A EP0749901B1 (de) 1995-06-19 1996-06-18 Vorrichtung an einer Antriebseinheit zur Ultraschallversiegelung
ES96109768T ES2130719T3 (es) 1995-06-19 1996-06-18 Dispositivo para una unidad de excitacion de una unidad selladora por ultrasonidos.
JP19381796A JP3727725B2 (ja) 1995-06-19 1996-06-19 超音波密封装置用の駆動装置の構造
RU96111967/13A RU2175936C2 (ru) 1995-06-19 1996-06-19 Устройство для ультразвукового запечатывающего блока
ARP960103203A AR002516A1 (es) 1995-06-19 1996-06-19 Una disposicion en una unidad de accionamiento para una unidad de sellado ultrasonico.
CN96111100A CN1093785C (zh) 1995-06-19 1996-06-19 超声密封装置的驱动装置的结构
BR9602832A BR9602832A (pt) 1995-06-19 1996-06-19 Disposição em uma unidade de comando para uma unidade de selagem ultrassônica
CA002179445A CA2179445C (en) 1995-06-19 1996-06-19 Arrangement in a drive unit for an ultrasound sealing unit
KR1019960022376A KR100232502B1 (ko) 1995-06-19 1996-06-19 초음파 밀봉장치용 구동장치
MX9602409A MX9602409A (es) 1995-06-19 1996-06-19 Arreglo en un equipo de accionamiento para una unidad de sellado por ultrasonido.
US08/665,898 US5793148A (en) 1995-06-19 1996-06-19 Arrangement in a drive unit for an ultrasound sealing unit
TW085110330A TW307051B (de) 1995-06-19 1996-08-24
GR990400852T GR3029930T3 (en) 1995-06-19 1999-04-08 An arrangement in a drive unit for an ultrasound sealing unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9502225A SE503822C2 (sv) 1995-06-19 1995-06-19 Anordning vid en drivenhet för en ultraljudsförseglingsenhet

Publications (3)

Publication Number Publication Date
SE9502225D0 SE9502225D0 (sv) 1995-06-19
SE9502225L SE9502225L (sv) 1996-09-16
SE503822C2 true SE503822C2 (sv) 1996-09-16

Family

ID=20398669

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9502225A SE503822C2 (sv) 1995-06-19 1995-06-19 Anordning vid en drivenhet för en ultraljudsförseglingsenhet

Country Status (17)

Country Link
US (1) US5793148A (de)
EP (1) EP0749901B1 (de)
JP (1) JP3727725B2 (de)
KR (1) KR100232502B1 (de)
CN (1) CN1093785C (de)
AR (1) AR002516A1 (de)
AT (1) ATE178548T1 (de)
BR (1) BR9602832A (de)
CA (1) CA2179445C (de)
DE (1) DE69601980T2 (de)
DK (1) DK0749901T3 (de)
ES (1) ES2130719T3 (de)
GR (1) GR3029930T3 (de)
MX (1) MX9602409A (de)
RU (1) RU2175936C2 (de)
SE (1) SE503822C2 (de)
TW (1) TW307051B (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3262076B2 (ja) * 1997-10-03 2002-03-04 株式会社村田製作所 圧電共振子、圧電共振子の周波数調整方法および通信機器
JP4147309B2 (ja) * 1998-03-23 2008-09-10 四国化工機株式会社 超音波シール装置
DE69820028T2 (de) 1998-04-15 2004-08-26 Tetra Laval Holding & Finance S.A. Verfahren zum Überwachen der Querschweissungen in einer Verpackungseinheit zum kontinuierlichen Formen von Verpackungen mit flüssigen Nahrungsmitteln sowie Verpackungseinheit
US6278218B1 (en) * 1999-04-15 2001-08-21 Ethicon Endo-Surgery, Inc. Apparatus and method for tuning ultrasonic transducers
US6434244B1 (en) * 2000-04-26 2002-08-13 Branson Ultrasonics Corporation Electroacoustic converter
US7019439B2 (en) * 2001-07-30 2006-03-28 Blackstone-Ney Ultrasonics, Inc. High power ultrasonic transducer with broadband frequency characteristics at all overtones and harmonics
US6924585B2 (en) * 2002-09-23 2005-08-02 The Crest Group, Inc. Sleeved ultrasonic transducer
US6841921B2 (en) * 2002-11-04 2005-01-11 Kimberly-Clark Worldwide, Inc. Ultrasonic horn assembly stack component connector
CN103071612A (zh) * 2012-12-28 2013-05-01 深圳职业技术学院 一种夹心式压电陶瓷超声换能器
CN103953568B (zh) * 2014-04-14 2016-08-17 浙江理工大学 用于固液两相流输送中的平衡盘
EP3205478A1 (de) * 2016-02-10 2017-08-16 Ilapak Italia S.p.A. Ultraschallschweissvorrichtung, insbesondere zum schweissen von flexiblen verpackungen, gegebenenfalls aus kunststoffmaterial und vorrichtung zum verpacken von lebensmitteln mit solch einer ultraschallschweissvorrichtung
CN108296154B (zh) * 2017-08-07 2023-12-05 雷索智能科技(苏州)有限公司 超声波振动机构及超声波振动装置
CN109210202B (zh) * 2018-09-11 2020-08-18 西安交通大学 一种超声波蜂窝密封装置及方法
CN110000625B (zh) * 2019-04-08 2024-08-06 南京航浦机械科技有限公司 一种用于3c产品玻璃及陶瓷磨削用的真空吸附式超声柔性振动治具

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3184842A (en) * 1961-08-03 1965-05-25 Aeroprojects Inc Method and apparatus for delivering vibratory energy
US3175406A (en) * 1963-03-25 1965-03-30 Bell Telephone Labor Inc Mechanical amplitude transformer
FR1387034A (fr) * 1963-08-02 1965-01-29 Alcatel Sa Perfectionnements aux vibrateurs composites pour machines de soudage ou d'usinage ultrasonore
US3368085A (en) * 1965-11-19 1968-02-06 Trustees Of The Ohio State Uni Sonic transducer
US3524085A (en) * 1968-05-09 1970-08-11 Branson Instr Sonic transducer
GB1331100A (en) * 1969-11-03 1973-09-19 Crest Ultrasonics Corp Transducer suitable for use with ultrasonic processing tanks
US3671366A (en) * 1970-06-19 1972-06-20 Northern Electric Co Ultrasonic welding of thermoplastics
US3772538A (en) * 1973-01-08 1973-11-13 Kane Corp Du Center bolt type acoustic transducer
US4074152A (en) * 1974-09-30 1978-02-14 Kabushiki Kaisha Toyota Chuo Kenkyusho Ultrasonic wave generator
US4363992A (en) * 1981-01-26 1982-12-14 Branson Ultrasonics Corporation Resonator exhibiting uniform motional output
JPS58196874A (ja) * 1982-05-12 1983-11-16 多賀電気株式会社 超音波処理装置
CS243735B1 (en) * 1983-09-20 1986-06-12 Karel Gabriel Power acousustic piezoelectric converte
US4607185A (en) * 1985-02-01 1986-08-19 American Hospital Supply Corporation Ultrasonic horn assembly
US4651043A (en) * 1985-10-23 1987-03-17 Branson Ultrasonics Corporation Resonator exhibiting uniform motional output
DE3542741A1 (de) * 1985-12-03 1987-06-04 Taga Electric Co Ltd Torsionsschwingungseinrichtung
JPH0248153A (ja) * 1988-08-04 1990-02-16 Mitsubishi Electric Corp 超音波振動体の支持装置
US5057182A (en) * 1990-01-19 1991-10-15 Sonokinetics Group Ultrasonic comb horn and methods for using same
DE4014846A1 (de) * 1990-05-09 1991-11-14 Schmidbauer Kg Elma Hans Vorrichtung zur erzeugung von ultraschall
DE69125525T2 (de) * 1990-05-24 1997-09-04 Canon Kk Schwingungswellenmotor
US5196079A (en) * 1991-01-18 1993-03-23 Branson Ultrasonics Corporation Method and apparatus for joining thermoplastic workpieces by high frequency vibrations
SE505864C2 (sv) * 1993-03-19 1997-10-20 Tetra Laval Holdings & Finance Anordning för ultraljudsförsegling

Also Published As

Publication number Publication date
DE69601980D1 (de) 1999-05-12
AR002516A1 (es) 1998-03-25
JP3727725B2 (ja) 2005-12-14
SE9502225L (sv) 1996-09-16
EP0749901B1 (de) 1999-04-07
CA2179445C (en) 2005-09-27
KR100232502B1 (ko) 1999-12-01
JPH09103740A (ja) 1997-04-22
ES2130719T3 (es) 1999-07-01
ATE178548T1 (de) 1999-04-15
SE9502225D0 (sv) 1995-06-19
CN1145990A (zh) 1997-03-26
DK0749901T3 (da) 1999-10-18
US5793148A (en) 1998-08-11
RU2175936C2 (ru) 2001-11-20
CN1093785C (zh) 2002-11-06
GR3029930T3 (en) 1999-07-30
KR970001152A (ko) 1997-01-21
BR9602832A (pt) 1998-10-06
TW307051B (de) 1997-06-01
EP0749901A1 (de) 1996-12-27
MX9602409A (es) 1997-02-28
CA2179445A1 (en) 1996-12-20
DE69601980T2 (de) 1999-08-05

Similar Documents

Publication Publication Date Title
SE503822C2 (sv) Anordning vid en drivenhet för en ultraljudsförseglingsenhet
Kim et al. Piezoelectric energy harvesting under high pre-stressed cyclic vibrations
US4885783A (en) Elastomer membrane enhanced electrostatic transducer
US3772538A (en) Center bolt type acoustic transducer
KR101431643B1 (ko) 정합된 트랜스듀서들 및 마운팅 플레이트를 구비한 메가소닉 다중주파수 장치
US11154914B2 (en) Ultrasonic transducer and ultrasonic cleaning device using ultrasonic transducer
US8513858B2 (en) Vibrating device
US3218488A (en) Transducer
KR101047654B1 (ko) 차량 타이어용 전원발생장치
CN102473839A (zh) 用于使压电弯曲元件弯曲的弯曲装置、用于借助于弯曲装置将机械能转换成电能的压电能量转换器和用于将机械能转换成电能的方法
US9205640B2 (en) Printing method and screen printing head having vibration unit for vibration of the squeegee blade
US3252016A (en) Electro-mechanical transducer
CN1078862C (zh) 超声密封装置的驱动装置的结构
US5376858A (en) Ultrasonic motor
EP2908554B1 (de) Oszillator und elektronische Vorrichtung
JP2016092888A (ja) 圧電発電装置
NL8900961A (nl) Elektro-acoustische omzetter met een buigzame en dichte uitzendende schaal.
CN1430794A (zh) 电声转换器
CN103249499A (zh) 支撑电化学复合高频振动系统(vfhs)的设备和方法
KR20210104267A (ko) 압전 소자를 이용하는 에너지 하베스팅 장치
KR102097103B1 (ko) 향상된 음향 방사 파워를 갖는 개선된 초음파 변환기
TW200404725A (en) Static charge suppression method and static charge suppression apparatus for plate member, method for removing electricity from plate member, and load pickup method, load pickup apparatus, and load receiving apparatus for plate member
JPH0889893A (ja) ボルト締めランジュバン型振動子
SU755322A1 (ru) Электромеханический преобразователь 1
KR950002504Y1 (ko) 하니콤판 용접장치

Legal Events

Date Code Title Description
NUG Patent has lapsed