An axial force measurement apparatus (40) comprises a head member (42) adapted for receiving force imparted by an external force-applying source, and a transducer (44) such as a load cell for measuring the amount of force applied to the head member (42). Electronic circuitry (61) for receiving, processing,...http://www.google.com.au/patents/US20040148042?utm_source=gb-gplus-sharePatent US20040148042 - Apparatus and method for measuring forces imparted on valve assemblies of metered dose delivery containers during manufacture thereof
