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1. (WO1991005746) METHOD FOR PREPARING A MORTAR OF LIME AND SAND, SAND-LIME BRICKS PRODUCED THEREOF AND APPARATUS FOR THE PREPARATION OF THE MORTAR
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1991/005746 International Application No.: PCT/NL1990/000149
Publication Date: 02.05.1991 International Filing Date: 11.10.1990
Chapter 2 Demand Filed: 19.04.1991
IPC:
C04B 2/06 (2006.01) ,C04B 40/00 (2006.01)
C CHEMISTRY; METALLURGY
04
CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
B
LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
2
Lime, magnesia or dolomite
02
Lime
04
Slaking
06
with addition of substances, e.g. hydrophobic agents
C CHEMISTRY; METALLURGY
04
CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
B
LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
40
Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
Applicants:
KALKZANDSTEENFABRIEK HARDERWIJK B.V. [NL/NL]; Einsteinstraat 5 NL-3840 AB Harderwijk, NL (AllExceptUS)
SCHALIJ, Jan [NL/NL]; NL (UsOnly)
BROEKHUIS, Jan [NL/NL]; NL (UsOnly)
Inventors:
SCHALIJ, Jan; NL
BROEKHUIS, Jan; NL
Agent:
NOZ, F., X.; Algemeen Octrooibureau Boschdijk 155 NL-5612 HB Eindhoven, NL
Priority Data:
890251511.10.1989NL
Title (EN) METHOD FOR PREPARING A MORTAR OF LIME AND SAND, SAND-LIME BRICKS PRODUCED THEREOF AND APPARATUS FOR THE PREPARATION OF THE MORTAR
(FR) PROCEDE DE PREPARATION DE MORTIER CONSTITUE DE CHAUX ET DE SABLE, BRIQUES AINSI COMPOSEES ET APPAREIL DE PREPARATION DU MORTIER
Abstract:
(EN) Method for preparing a mortar of lime-sand by mixing lime, sand, possibly additives and water at elevated temperature and pressure above 200 kPa in a closed reaction vessel, wherein at first sand and water are supplied under mixing, in which water is present in an excess in regard with the amount required in the end product to slake the lime completely, after which lime has been added in an excess in regard with the amount of sand, so that the temperature rises to above 130 °C, by the development of heat from slaking the lime and by which also the elevated pressure is obtained by development of steam, so that it is unnecessary to add energy from the outer side. The invention also concerns the brick of lime-sand stone and the apparatus for the preparation of the lime-sand mortar.
(FR) Un procédé de préparation d'un mortier silico-calcaire consiste à mélanger de la chaux, du sable, de l'eau et éventuellement des additifs dans un réacteur fermé, à température élevée et à une pression supérieure à 200 kPa. Premièrement, du sable et de l'eau sont mélangés, l'eau étant présente en quantité plus que suffisante pour entièrement éteindre la chaux dans le produit final, puis de la chaux est ajoutée en quantité supérieure à celle du sable. La température dépasse 130° grâce au dégagement de chaleur dû à l'extinction de la chaux, et la pression élevée est obtenue grâce au dégagement de chaleur, afin qu'il ne soit pas nécessaire d'apporter de l'énergie de l'extérieur. On décrit également une brique silico-calcaire et un appareil servant à préparer le mortier silico-calcaire.
Designated States: AU, BG, BR, CA, FI, HU, JP, KP, KR, LK, NO, RO, SD, SU, US
African Intellectual Property Organization (BF, BJ, CF, CG, CM, GA, ML, MR, SN, TD, TG)
Publication Language: English (EN)
Filing Language: Dutch (NL)
Also published as:
ES2055862EP0422741RU02074145DE000069008102KR1019920703471AU1990066221
DK0422741