Bitumen spray and transfer with master control

Claim 2

In combination, a vehicular mounted bitumen tank and spray nozzles, a multiple chamber manifold located externally of said bitumen tank and having partitions separating said chambers, a bitumen pump, a plurality of bitumen circuit connections connected to said pump and said manifold chambers, and said circuit connections for controlling flow through said connections, and means providing a control station and having means for selectively opening and closing said valves for controlling from said station the flow of bitumen through said pump and selected circuit connections.

Claim 3

A combination according to claim 1 in which said tank is provided with bitumen heating means.

Claim 4

A combination according to claim 2 in which the circuit connections to the several nozzles include a spray bar on which the nozzles are mounted, and pipes subject to the control of said valves communicating between the manifold chambers and the pump and spray bar and tank.

Claim 5

In combination, a vehicular mounted bitumen tank and spray nozzles, a bitumen pump, a plurality of bitumen circuit connections, a plurality of valves controlling flow through said connections, and means providing a control station and having means for selectively opening and closing said valves for controlling from said station the flow of bitumen through said pump and selected circuit connections and in which the circuit connections to the several nozzles include a spray bar on which the nozzles are mounted and a manifold having a plurality of chambers equipped with the said valves, and pipes subject to the control of said valves communicating between the manifold chambers and the pump and spray bar and tank and, further including a vehicular mounted flush tank having circuit connections to respective chambers, the said valves and circuit connections providing for circulation of the flushing liquid through said chambers and spray bar.

Claim 6

In combination, a vehicular mounted bitumen tank and spray nozzles, a bitumen pump, a plurality of bitumen circuit connections, a plurality of valves controlling flow through said connections, and means providing a control station and having means for selectively opening and closing said valves for controlling from said station the flow of bitumen through said pump and selected circuit connections and in which the circuit connections to the several nozzles include a spray bar on which the nozzles are mounted and a manifold having a plurality of chambers equipped with the said valves, and pipes subject to the control of said valves communicating between the manifold chambers and the pump and spray bar and tank and, further including a vehicular mounted flush tank having circuit connections to respective chambers, the said valves and circuit connections providing for circulation of the flushing liquid through said chambers and spray bar.

Claim 7

A combination according to claim 3 in which certain of said chambers have connections for external bitumen tanks adapted respectively to supply and receive bitumen to and from said first mentioned bitumen tank.

Claim 8

A combination according to claim 3 in further combination with a manually operable spray nozzle having flexible hoses connecting it with respective chambers for the flow and retraction of bitumen.

Claim 9

In combination, a vehicular mounted bitumen tank and spray nozzles, a bitumen pump, a plurality of bitumen circuit connections, a plurality of valves controlling flow through said connections, and means providing a control station and having means for selectively opening and closing said valves for controlling from said station the flow of bitumen through said pump and selected circuit connections and in which the circuit connections to the several nozzles include a spray bar on which the nozzles are mounted and a manifold having a plurality of chambers equipped with the said valves, and pipes subject to the control of said valves communicating between the manifold chambers and the pump and spray bar and tank, and in which the means for selectively opening and closing said valves comprises fluid operable rams connected with respective valves and means at said control station for controlling actuation and retraction of said rams.

Claim 10

In combination, a vehicular mounted bitumen tank and spray nozzles, a bitumen pump, a plurality of bitumen circuit connections, a plurality of valves controlling flow through said connections, and means providing a control station and having means for selectively opening and closing said valves for controlling from said station the flow of bitumen through said pump and selected circuit connections and in which the circuit connections to the several nozzles include a spray bar on which the nozzles are mounted and a manifold having a plurality of chambers equipped with the said valves, and pipes subject to the control of said valves communicating between the manifold chambers and the pump and spray bar and tank, and in which the means for selectively opening and closing said valves comprises fluid operable rams connected with respective valves and means at said control station for controlling actuation and retraction of said rams.

Claim 11

A combination according to claim 7 in which said last mentioned means comprises a rotor having a plurality of cams mounted thereon, and cam followers having control means extending operatively therefrom to the respective rams.

Claim 12

A combination according to claim 3 in which one of said chambers constitutes a collecting chamber from which a pipe leads to said pump and another of said chambers constituting a distributing chamber to which a pipe leads from said pump.

Claim 13

In combination, a vehicle, a bitumen tank and a multiple chamber manifold mounted on the vehicle said manifold having first, second and third separate chambers, a pump also mounted on the vehicle and having an inlet connected with one of the chambers of the manifold and an outlet connected with another chamber of the manifold, a spray bar also mounted on the vehicle and provided with a plurality of bitumen spray nozzles, a flush tank mounted on the vehicle and adapted to carry a system flushing liquid, pipes providing connections between the bitumen tank and said first, second and third chambers of the manifold and between the flush tank and said second and third chambers of the manifold and between the spray bar and said first, second and third chambers of the manifold, and a pump having an inlet connected with said third chamber and an outlet connected with said first chamber, valve means controlling the flow of bitumen and flushing liquid between said chambers and spray bar and pump and bitumen tank, and centralized means for the actuation of said valves.

Claim 14

In combination, a vehicle, a bitumen tank and a multiple chamber manifold mounted on the vehicle said manifold having first, second and third separate chambers, a pump also mounted on the vehicle and having an inlet connected with one of the chambers of the manifold and an outlet connected with another chamber of the manifold, a spray bar also mounted on the vehicle and provided with a plurality of bitumen spray nozzles, a flush tank mounted on the vehicle and adapted to carry a system flushing liquid, pipes providing connections between the bitumen tank and said first, second and third chambers of the manifold and between the flush tank and said second and third chambers of the manifold and between the spray bar and said first, second and third chambers of the manifold, and a pump having an inlet connected with said third chamber and an outlet connected with said first chamber, valve means controlling the flow of bitumen and flushing liquid between said chambers and spray bar and pump and bitumen tank, and centralized means for the actuation of said valves.

Claim 15

A combination according to claim 10, together with means for heating the bitumen in the bitumen tank, said connections and valve actuation means including means for circulating heated bitumen from the bitumen tank through the manifold chambers and the pump and the manifold, independently of said spray bar.

Claim 16

In combination, a vehicular mounted bitumen tank and spray nozzLes, a multiple chamber manifold having partitions separating said chambers, a bitumen pump, a plurality of bitumen circuit connections connected to said pump and said manifold chambers, a battery of valves arranged in an array on each of said chambers and communicating with each of said manifold chambers and said circuit connections for controlling flow through said connections, and means providing a control station and having means for selectively opening and closing said valves for controlling from said station the flow of bitumen through said pump and selected circuit connections.

Claim 17

In combination, a vehicular mounted bitumen tank and spray nozzLes, a multiple chamber manifold having partitions separating said chambers, a bitumen pump, a plurality of bitumen circuit connections connected to said pump and said manifold chambers, a battery of valves arranged in an array on each of said chambers and communicating with each of said manifold chambers and said circuit connections for controlling flow through said connections, and means providing a control station and having means for selectively opening and closing said valves for controlling from said station the flow of bitumen through said pump and selected circuit connections.