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1. (WO1992010612) PROCESS FOR CONVERTING OLD ASPHALTIC CONCRETE INTO USABLE NEW ASPHALTIC CONCRETE
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1992/010612 International Application No.: PCT/NL1991/000249
Publication Date: 25.06.1992 International Filing Date: 04.12.1991
Chapter 2 Demand Filed: 15.06.1992
IPC:
E01C 19/10 (2006.01) ,E01C 23/08 (2006.01) ,E01C 23/14 (2006.01)
E FIXED CONSTRUCTIONS
01
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
C
CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
19
Machines, tools, or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
02
for preparing the materials
10
Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
E FIXED CONSTRUCTIONS
01
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
C
CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
23
Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
06
Devices or arrangements for working the finished surface; Devices for repairing the surface of damaged paving
08
for roughening or patterning; for removing high spots or material bonded to the surface, e.g. markings
E FIXED CONSTRUCTIONS
01
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
C
CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
23
Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
14
for heating or drying foundation, paving, or materials thereon, e.g. paint
Applicants:
HOLLANDSCHE BETON GROEP N.V. [NL/NL]; Generaal Spoorlaan 489 NL-2285 TA Rijswijk, NL (AllExceptUS)
KEMPS, Andreas, Goverdina [NL/NL]; NL (UsOnly)
Inventors:
KEMPS, Andreas, Goverdina; NL
Agent:
DE BRUIJN, Leendert, C. ; Nederlandsch Octrooibureau Scheveningseweg 82 P.O. Box 29720 NL-2502 LS The Hague, NL
Priority Data:
900265904.12.1990NL
Title (EN) PROCESS FOR CONVERTING OLD ASPHALTIC CONCRETE INTO USABLE NEW ASPHALTIC CONCRETE
(FR) PROCEDE DE TRANSFORMATION DE BETON BITUMINEUX USE EN BETON BITUMINEUX REUTILISABLE
Abstract:
(EN) To convert old asphaltic concrete into usable new asphaltic concrete, coarse pieces of old asphaltic concrete with a minimum size of not less than 5 cm are placed in an autoclave in which the asphaltic constituents are softened in the autoclave by pressurised superheated steam at a temperature of not less than 150 °C being fed into the autoclave.
(FR) Procédé de transformation de béton bitumineux usé en béton bitumineux réutilisable, selon lequel on place des morceaux grossiers de béton bitumineux usé, présentant une taille d'au moins 5 cm, dans un autoclave dans lequel les constituants bitumineux sont ramollis par de la vapeur surchauffée sous pression injectée dans l'autoclave à une température d'au moins 150 °C.
Designated States: CA, JP, US
European Patent Office (AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LU, MC, NL, SE)
Publication Language: English (EN)
Filing Language: Dutch (NL)