FR870992A - Appareil à secouer ou à frapper - Google Patents

Appareil à secouer ou à frapper

Info

Publication number
FR870992A
FR870992A FR870992DA FR870992A FR 870992 A FR870992 A FR 870992A FR 870992D A FR870992D A FR 870992DA FR 870992 A FR870992 A FR 870992A
Authority
FR
France
Prior art keywords
shaking
knocking device
knocking
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hermes Patentverwertungs GmbH
Original Assignee
Hermes Patentverwertungs GmbH
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 Hermes Patentverwertungs GmbH filed Critical Hermes Patentverwertungs GmbH
Application granted granted Critical
Publication of FR870992A publication Critical patent/FR870992A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B06B3/00—Methods or apparatus specially adapted for transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR870992D 1939-07-26 1941-03-20 Appareil à secouer ou à frapper Expired FR870992A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE870992X 1939-07-26

Publications (1)

Publication Number Publication Date
FR870992A true FR870992A (fr) 1942-04-01

Family

ID=1555611

Family Applications (1)

Application Number Title Priority Date Filing Date
FR870992D Expired FR870992A (fr) 1939-07-26 1941-03-20 Appareil à secouer ou à frapper

Country Status (1)

Country Link
FR (1) FR870992A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3522460A (en) * 1967-11-02 1970-08-04 Fmc Corp Vibrator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3522460A (en) * 1967-11-02 1970-08-04 Fmc Corp Vibrator

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