by testing the possibility of maintaining the vacuum in containers, e.g. in can-testing machines

Full Title

Investigating fluid tightness of structures > by using fluid or vacuum > by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors > for containers, e.g. radiators > by testing the possibility of maintaining the vacuum in containers, e.g. in can-testing machines

Classification Context

Section:

PHYSICS

Class:

MEASURING; TESTING

Subclass:

TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR