BE428033A - - Google Patents

Info

Publication number
BE428033A
BE428033A BE428033DA BE428033A BE 428033 A BE428033 A BE 428033A BE 428033D A BE428033D A BE 428033DA BE 428033 A BE428033 A BE 428033A
Authority
BE
Belgium
Prior art keywords
tube
sleeve
rubber
intended
desc
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE428033A publication Critical patent/BE428033A/fr

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02Conveying or working-up concrete or similar masses able to be heaped or cast
    • E04G21/06Solidifying concrete, e.g. by application of vacuum before hardening
    • E04G21/08Internal vibrators, e.g. needle vibrators

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
BE428033D BE428033A (OSRAM)

Publications (1)

Publication Number Publication Date
BE428033A true BE428033A (OSRAM)

Family

ID=88486

Family Applications (1)

Application Number Title Priority Date Filing Date
BE428033D BE428033A (OSRAM)

Country Status (1)

Country Link
BE (1) BE428033A (OSRAM)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0532793A1 (en) * 1990-09-19 1993-03-24 Fred Oswald Vibrator and related method
US6811297B2 (en) 2001-02-26 2004-11-02 Fred Oswald Vibrator having a core with soft sheath and apertures therethrough
US9095991B2 (en) 2011-01-31 2015-08-04 Oztec Industries, Inc. Concrete vibrator head

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0532793A1 (en) * 1990-09-19 1993-03-24 Fred Oswald Vibrator and related method
US6811297B2 (en) 2001-02-26 2004-11-02 Fred Oswald Vibrator having a core with soft sheath and apertures therethrough
US9095991B2 (en) 2011-01-31 2015-08-04 Oztec Industries, Inc. Concrete vibrator head

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