FR1127031A - Concrete vibrator - Google Patents

Concrete vibrator

Info

Publication number
FR1127031A
FR1127031A FR1127031DA FR1127031A FR 1127031 A FR1127031 A FR 1127031A FR 1127031D A FR1127031D A FR 1127031DA FR 1127031 A FR1127031 A FR 1127031A
Authority
FR
France
Prior art keywords
concrete vibrator
vibrator
concrete
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
French (fr)
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.)
C H JOHNSON MACHINERY Ltd
Original Assignee
C H JOHNSON MACHINERY Ltd
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 C H JOHNSON MACHINERY Ltd filed Critical C H JOHNSON MACHINERY Ltd
Application granted granted Critical
Publication of FR1127031A publication Critical patent/FR1127031A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
    • E04G21/06—Solidifying concrete, e.g. by application of vacuum before hardening
    • E04G21/08—Internal vibrators, e.g. needle vibrators
    • 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
    • B06B1/10—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy
    • B06B1/16—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy operating with systems involving rotary unbalanced masses
    • B06B1/161—Adjustable systems, i.e. where amplitude or direction of frequency of vibration can be varied
    • B06B1/162—Making use of masses with adjustable amount of eccentricity
    • B06B1/164—Making use of masses with adjustable amount of eccentricity the amount of eccentricity being automatically variable as a function of the running condition, e.g. speed, direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
FR1127031D 1955-03-30 1955-03-30 Concrete vibrator Expired FR1127031A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1127031T 1955-03-30

Publications (1)

Publication Number Publication Date
FR1127031A true FR1127031A (en) 1956-12-06

Family

ID=9635365

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1127031D Expired FR1127031A (en) 1955-03-30 1955-03-30 Concrete vibrator

Country Status (1)

Country Link
FR (1) FR1127031A (en)

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