Thin-walled specimen leak location, especially for food, pharmaceutical and medical packagings, comprises measuring test gas concentration in one of the specimens provided with a leak and then performing a leak test

摘要

Leak location in thin-walled specimens, by measuring test gas concentration in one of the specimens (1) provided with a leak (4) and then performing a leak test, is new. An Independent claim is also included for a leak patch, with a test gas pervious foil section (6), for carrying out the above process.