초록 ▼

According to the invention, the surface is dressed by synchronous spreading of binder and gravel on the pavement as follows: a) a first layer of hot bitumen (b1) having a temperature greater than 100° C. is spread on the pavement (S): b) a film of hot water (e) is spread on top of said first layer,

According to the invention, the surface is dressed by synchronous spreading of binder and gravel on the pavement as follows: a) a first layer of hot bitumen (b1) having a temperature greater than 100° C. is spread on the pavement (S): b) a film of hot water (e) is spread on top of said first layer, c) a second layer of hot bitumen (b2) having a temperature greater than 100° C. is spread on top of said film of hot water; d) a layer of gravel c) is spread on top of all of the above. Pavement dressing.

대표청구항 ▼

1. Method for applying a surface coating by the synchronous spreading of bonding agent and chippings onto a roadway, the method comprising:a) a first layer of hot bitumen (b1), at a temperature above 100° C., is spread onto the roadway (S); b) depositing a film of hot water onto the first layer of h

1. Method for applying a surface coating by the synchronous spreading of bonding agent and chippings onto a roadway, the method comprising:a) a first layer of hot bitumen (b1), at a temperature above 100° C., is spread onto the roadway (S); b) depositing a film of hot water onto the first layer of hot bitumen; c) spreading a second layer of hot bitumen, at a temperature above 100° C., onto the film of hot water; d) spreading a layer of chippings (c), over the layers of bitumen and water. 2. Method according to claim 1, characterised in that bitumen taken to a temperature close to 130° C. and water taken to a temperature close to 100° C. are used.3. Method according to claim 1 or claim 2, characterised in that the chippings are spread less than two seconds and, preferably, less than one second after the second layer of bitumen is spread.4. Method according to claim 1, characterised in that the total spreading time is less than about four seconds.5. Vehicle for applying a surface coating by synchronous spreading of bonding agent and chippings onto a roadway, with the chassis (41) bearing a hot bitumen tank (6) and a tipper (7) containing chippings (c), this vehicle being fitted with a first boom (1) for dispensing hot bitumen (b1), which in placed in front?considering the forward operational movement (F) of the vehicle (4)?of a chipping spreader device (70), characterised in that the chassis (41) additionally bears a hot water tank (5), the vehicle being fitted with a second boom (3) for dispensing hot bitumen (b2), also placed in front of said chipping spreader device (70), and with a hot water (a) spray boom (2) placed between the two bitumen dispensing booms (1; 3).