Method and apparatus for measuring the breakaway and running forces required to move the plunger from its initial position toward the distal end of the syringe or cartridge barrel....http://www.google.es/patents/US6240788?utm_source=gb-gplus-sharePatente US6240788 - Method and apparatus for measurement of breakaway and running forces of a plunger in a syringe barrel
Method and apparatus for measurement of breakaway and running forces of a ...
