Datamars Sa

David Bain Calder

Disclosed is an applicator comprising or including, a dosing body including, at least one barrel; a piston moveable within the at least one barrel to stroke between a variable first position and a second position. In use, movement of the piston towards the first position can draw a first fluid into the barrel, and movement of the piston towards the second position can force the first fluid out of the barrel. There is at least one fluid inlet valve to allow the fluid to flow into the at least one barrel at least under action of the piston, and at least one fluid outlet valve to allow the first fluid to flow out of the at least one barrel at least under action of the piston. A piston actuating assembly, selectively engageable with the dosing body, is present, the piston actuator assembly having a user operable handle to drive a second actuation member which in turn can drive the piston between the first position and the second position, the connection between the second actuation member, or part thereof being a releasable one.

Applicators

Disclosed is an applicator, and a handle for an applicator. The applicator has at least one barrel and a piston moveable within the at least one barrel to stroke between a variable first position and a second position. In use, movement of the piston towards the first position can draw a first fluid into the barrel, and movement of the piston towards the second position can force the first fluid out of the barrel. The barrel has at least one fluid inlet valve to allow the fluid to flow into the at least one barrel at least under action of the piston, and at least one fluid outlet valve to allow the first fluid to flow out of the at least one barrel at least under action of the piston. A handle has a piston actuator assembly, housed at least in part within a body of the handle, operable to move the piston towards the second position to dispense the first fluid from the applicator. The piston actuator has a first actuating component driven by a user operated handle to pivot and tension a first biasing component, a second actuating component held in position against a force of the first biasing component, a first trigger component that holds the second actuating component in place until a required force is reached by the first biasing component, or a second trigger component releases the first trigger component. The second actuating component is then released and driven by the force of the first biasing component to in turn drive the piston toward the second position. The movement of the first actuating component is independent of the stroke of the piston.

Relating to, applicators

The invention is directed to an animal marking and treatment apparatus. The marking apparatus is an animal treatment apparatus to apply an animal treatment to a surface or subcutaneous layer of an animal via an operative end. The marking apparatus includes a marking portion, attached to the animal treatment apparatus, and located at the operative end. The marking apparatus is located such that when the animal receives the treatment the marking portion marks the animal by stamping at the same time.

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Ohaupo, New Zealand

David Bain Calder