Asphalt finisher
EP4317582B1Active Publication Date: 2026-06-17SUMITOMO CONSTRUCTION MACHINERY
Patent Information
- Authority / Receiving Office
- EP · EP
- Patent Type
- Patents
- Current Assignee / Owner
- SUMITOMO CONSTRUCTION MACHINERY
- Filing Date
- 2022-03-28
- Publication Date
- 2026-06-17
Smart Images

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Abstract
Provided is a technique capable of suppressing damage to a roadbed during construction of asphalt pavement. An asphalt finisher 100 includes a tractor 1, a hopper 2 installed on a front side of the tractor 1, and that receives a paving material, a conveyor CV that conveys the paving material in the hopper 2 to a rear side of the tractor 1, a screw SC that spreads out the paving material conveyed by the conveyor CV on the rear side of the tractor 1, a screed 3 that spreads and levels the paving material spread out by the screw SC on a rear side of the screw SC, and a controller 50 (front wheel driving force control unit 50B) that controls a driving force of a front wheel 6 of the tractor 1 based on a weight of the paving material in the hopper 2.
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