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1. WO1997012096 - MEANS FOR RAISING A FIXED FRAME FOR MANHOLE COVERS

Publication Number WO/1997/012096
Publication Date 03.04.1997
International Application No. PCT/DK1996/000410
International Filing Date 27.09.1996
Chapter 2 Demand Filed 15.04.1997
IPC
B66F 19/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
66HOISTING; LIFTING; HAULING
FHOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
19Hoisting, lifting, hauling, or pushing, not otherwise provided for
E02D 29/14 2006.01
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING
DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
29Underground or underwater structures; Retaining walls
12Manhole shafts; Other inspection or access chambers; Accessories therefor
14Covers for manholes or the like; Frames for covers
CPC
B66F 19/005
BPERFORMING OPERATIONS; TRANSPORTING
66HOISTING; LIFTING; HAULING
FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
19Hoisting, lifting, hauling or pushing, not otherwise provided for
005Lifting devices for manhole covers
E02D 29/1409
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS
29Independent; underground or underwater structures
12Manhole shafts; Other inspection or access chambers; Accessories therefor
14Covers for manholes or the like; Frames for covers
1409adjustable in height or inclination
Applicants
  • FURNES-HAMJERN NCC A/S [NO]/[NO] (AllExceptUS)
  • SØRENSEN, Frede [DK]/[DK] (UsOnly)
Inventors
  • SØRENSEN, Frede
Agents
  • BUDDE, SCHOU & CO. A/S
Priority Data
1079/9527.09.1995DK
Publication Language English (EN)
Filing Language Danish (DA)
Designated States
Title
(EN) MEANS FOR RAISING A FIXED FRAME FOR MANHOLE COVERS
(FR) DISPOSITIF ELEVATEUR POUR CHAPE FIXE DE TROU D'HOMME
Abstract
(EN)
In connection with applying new road-surface materials it is usually necessary to carry out a corresponding height adjustment of frames (18) for manholes present in the road, this traditionally being done by prying-up the frame, placing one or a number of spacer rings and reinstalling the frame. By the present invention it is realized that it is possible advantageously to limit this operation to carrying out a simple raising of the frame to a level a little above its new installment level, after which the spacer ring or rings in segment-divided form (2) can be installed by pushing them outwardly from inside the throat of the well, after which the frame is lowered. At their ends, the ring segments (2) are shaped with complementary protruding narrow parts (8, 10) that close the butt joints in question, thus preventing loose material from the surroundings from falling into the mahole or well.
(FR)
Lors du renouvellement d'un revêtement de route, il est généralement nécessaire de réajuster la hauteur des chapes (18) de trou d'homme sur la route. Habituellement, l'opération consiste à soulever cette chape, à mettre en place une ou plusieurs cales d'épaisseur et à réinstaller la chape. L'invention concerne un système avantageux qui consiste à élever simplement la chape modérément au-dessus de son nouveau niveau d'installation. Cela permet de mettre en place une ou plusieurs cales d'épaisseur sous forme de segments d'anneau individuel (2) en les poussant vers l'extérieur depuis l'intérieur de l'ouverture du trou, et à abaisser ensuite la chape. L'extrémité des segments d'anneau (2) est dotée de parties étroites complémentaires faisant saillie (8, 10) qui rendent hermétiques les joints d'about ainsi formés et évitent les chutes de matériau épars dans le trou d'homme ou le puits à partir du pourtour.
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