EP 4372147 A1 20240522 - ASPHALT FINISHER
Title (en)
ASPHALT FINISHER
Title (de)
ASPHALTFERTIGER
Title (fr)
FINISSEUR D'ASPHALTE
Publication
Application
Priority
JP 2022184915 A 20221118
Abstract (en)
The quality of a pavement surface is improved. According to an aspect of the present invention, there is provided an asphalt finisher (100) including a tractor (1), a hopper (2) that is provided on a front side of the tractor (1), a conveyor (CV) that transports a paving material in the hopper (2) to a rear side of the tractor (1), a screw (SC) that spreads the paving material, which is transported by the conveyor (CV) and is sprinkled on a road surface, in a vehicle width direction, a screed device that levels the paving material spread by the screw (SC) on a rear side of the screw (SC), and a vibrator (27, 28) that vibrates the screed device, in which the asphalt finisher (100) is configured to perform control to change a frequency for vibrating the vibrator (27, 28), while construction of leveling the paving material on the road surface is performed.
IPC 8 full level
E01C 19/48 (2006.01)
CPC (source: CN EP)
E01C 19/48 (2013.01 - CN); E01C 19/4833 (2013.01 - EP); E01C 19/488 (2013.01 - CN); E01C 2301/16 (2013.01 - EP)
Citation (applicant)
JP 2021113490 A 20210805 - JOSEPH VOEGELE AG
Citation (search report)
- [X] EP 3851584 A1 20210721 - JOSEPH VOEGELE AG [DE]
- [XI] WO 0070150 A1 20001123 - INGERSOLL RAND CO [US], et al
- [I] JP 2002021016 A 20020123 - SUMITOMO CONSTR MACHINERY MFG
- [XI] DE 102018128224 A1 20190516 - CATERPILLAR PAVING PRODUCTS INC [US]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
EP 4372147 A1 20240522; CN 118056949 A 20240521; JP 2024073926 A 20240530
DOCDB simple family (application)
EP 23194129 A 20230830; CN 202311162189 A 20230911; JP 2022184915 A 20221118