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1. (FR2421254) DISPOSITIF POUR LA TENSION D'UN TORON D'ARMATURE

Office : France
Application Number: 7907890 Application Date: 29.03.1979
Publication Number: 2421254 Publication Date: 26.10.1979
Grant Number: 2421254 Grant Date: 17.02.1984
Publication Kind : B1
IPC:
E04G 21/12
F15B 15/19
E FIXED CONSTRUCTIONS
04
BUILDING
G
SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
21
Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
12
Mounting of reinforcing inserts; Prestressing
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
15
FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
B
SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
15
Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
19
Pyrotechnical actuators
CPC:
E04G 21/121
Applicants: LUDVIGSON BIRGER
Inventors:
Priority Data: 7803640 31.03.1978 SE
Title: (FR) DISPOSITIF POUR LA TENSION D'UN TORON D'ARMATURE
Abstract: front page image
(FR)

Précontrainte.

Le dispositif pour tendre au moins un toron 52 dans une construction en béton 50 comporte un vérin délimitant un cylindre dans lequel est amené un gaz issu d'une cartouche de poudre 68.

Mise sous tension d'un ou plusieurs torons de renforcement d'une construction en béton.


Also published as:
US4376527DE000002945425DE000002945425GB2037387DK501879WO/1979/000856