The reconstitution plunger is then replaced by an administration plunger.

The invention provides a syringe comprising a barrel, a plunger and a plunger rod.

A fuel injector (10) includes a plunger assembly (20) disposed within a central axial bore (18) and including a lower plunger (22), an intermediate plunger (24), and an upper plunger (26).

A plunger pump arrangement comprises a plunger (2) guided in a cylinder (1).

An infusor is also disclosed, the infusor comprising a first plunger arranged to act upon a syringe plunger to which the infusor is connected; and a second plunger connected to said first plunger via a compression spring.

A coupling for a pump connects a plunger to a plunger adaptor.

The metering device has a plunger reciprocating within the tube, with the plunger having a handle.

The drive described comprises at least one plunger (2) and vertically reciprocating plunger holder (3).

An upper piston (9) and a lower piston (10) can be movable in the tank body (1).

The present invention relates to a Stirling engine, and more particularly, to a Stirling engine that has a rotary displacer and a piston reciprocating a cooperation with a rotatable shaft of the displacer.

The basket release mechanism includes a plunger, an actuator, and a spring associated with the plunger and actuator.

A plunger (9) is arranged in the plunger chamber and is hermetically fit with the inner wall of the plunger chamber (111).

The applicator comprises an insertion member and a plunger.

A hollow passage (103) accommodates a plunger (104).

The invention relates to a method for compensating the buoyancy of a diver.