Spray gun, more especially for paints

DETAILED DESCRIPTION I claim: 1.
A spray gun for liquids comprising: a liquid container; a housing connected with said container and having part thereof in the form of a handle; a spray nozzle; pump means including a spring-loaded outlet valve for the supply of liquid from said container to said nozzle; a switch in said handle for controlling said pump means; a tubular outlet duct extending between said outlet valve and said nozzle; a return duct leading from the outlet duct to the container and having a further, adjustable valve therein; an adjustment member for adjusting said further adjustable valve, which adjustment member is decoupled separate from said switch and can remain in any desired setting; said further valve being able to be located on a male part of the outlet duct; the spray nozzle being screw-fitted onto the outlet duct; an intermediate member screw-fitted onto the outlet duct between the spray nozzle and the further valve thereby to lock the further valve on the outlet duct.
2.
The spray gun as claimed in claim 1 wherein said further valve is able to be completely shut.
3.
The spray gun as claimed in claim 1 wherein said further valve comprises a spring-loaded valve member whose spring bears at one end against the valve member and at the other against the adjustment member.
4.
The spray gun as claimed in claim 3 wherein said spring extends into an inside part of the adjustment member.
5.
The spray gun as claimed in claim 3 wherein the adjustment member is adjustably arranged in a valve thread and includes a turning knob thereon.
6.
The spray gun as claimed in claim 3 in which the adjustment member comprises cam forllowing means and a cam member having a cam surface means thereon adapted to act on an end of the cam following means remote from said further valve member in opposition to the further spring force.
7.
The spray gun as claimed in claim 6 wherein said cam surface is an inner surface of the cam member which is in a round form and is rotatably mounted.
8.
The spray gun as claimed in claim 1 wherein said adjustment member is rotatably attached to the valve by way of the intermediate member, and the force of said valve be adjusted