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1. WO2020109650 - METHOD IN DRY-SHAKE COATING OF A CONCRETE FLOOR

Publication Number WO/2020/109650
Publication Date 04.06.2020
International Application No. PCT/FI2019/050622
International Filing Date 03.09.2019
IPC
B24B 7/18 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
24GRINDING; POLISHING
BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
7Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
10Single-purpose machines or devices
18for grinding floorings, walls, ceilings or the like
B24B 7/22 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
24GRINDING; POLISHING
BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
7Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
20characterised by a special design with respect to properties of the material of non-metallic articles to be ground
22for grinding inorganic material, e.g. stone, ceramics, porcelain
CPC
B24B 7/18
BPERFORMING OPERATIONS; TRANSPORTING
24GRINDING; POLISHING
BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING
7Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
10Single-purpose machines or devices
18for grinding floorings, walls, ceilings or the like
B24B 7/22
BPERFORMING OPERATIONS; TRANSPORTING
24GRINDING; POLISHING
BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING
7Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
20characterised by a special design with respect to properties of the material of non-metallic articles to be ground
22for grinding inorganic material, e.g. stone, ceramics, porcelain
Applicants
  • CONCRIA OY [FI]/[FI]
Inventors
  • AHONEN, Mika
Agents
  • KANGASMÄKI, Reijo
Priority Data
2018602730.11.2018FI
Publication Language English (EN)
Filing Language Finnish (FI)
Designated States
Title
(EN) METHOD IN DRY-SHAKE COATING OF A CONCRETE FLOOR
(FR) PROCÉDÉ DE REVÊTEMENT PAR SAUPOUDRAGE À SEC D'UN PLANCHER EN BÉTON
Abstract
(EN)
A method in dry shake coating of a concrete floor, whereby an applied floor concrete mass (B) is first of all subjected to early after-care, most preferably by spraying its surface with an early aftercare agent, in which connection, if necessary, after floating, on top of the floor concrete mass is applied a dry shake material (K) for two or more superimposed dry shake layers, in which connection the surface of a currently underlying dry shake layer is troweled prior to the application of a next dry shake layer to be processed thereupon, whereafter the lastly processed dry shake layer of a concrete floor is troweled and the concrete floor is subjected to actual aftercare with an aftercare agent, water spraying, plastic sheet, filter fabric protection, or the like. The application of an underlying dry shake layer (Kl) is followed by spreading over its surface a water soluble silica-based medium (V) prior to and/or during the course of troweling this particular dry shake layer and prior to the application of an overlying dry shake layer (K2) to be spread thereupon.
(FR)
L'invention concerne un procédé de revêtement par saupoudrage à sec d'un plancher en béton, selon lequel une masse de béton de plancher appliquée (B) est d'abord soumise à une postcure précoce, de préférence par pulvérisation sur sa surface d'un agent de postcure précoce, à ce propos, si nécessaire, après talochage, sur le dessus de la masse de béton de plancher, une matière de saupoudrage à sec (K) est appliquée pour au moins deux couches de saupoudrage à sec superposées, à ce propos la surface d'une couche de saupoudrage à sec déjà sous-jacente est lissée à la truelle avant l'application d'une couche de saupoudrage à sec suivante devant être traitée sur celle-ci, après quoi la dernière couche de saupoudrage à sec traitée d'un plancher en béton est lissée à la truelle et le plancher en béton est soumis à une postcure proprement dite avec un agent de postcure, une pulvérisation d'eau, une feuille de plastique, une protection de tissu de filtre ou similaire. L'application d'une couche de saupoudrage à sec sous-jacente (Kl) est suivie d'un étalement, sur sa surface, d'un milieu à base de silice soluble dans l'eau (V) avant et/ou pendant le lissage à la truelle de cette couche de saupoudrage à sec particulière et avant l'application d'une couche de saupoudrage à sec sus-jacente (K2) devant être étalée sur celle-ci.
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