| 摘要 |
FIELD: medical equipment, concerns plugs for hermetic sealing of pharmaceutic vessels. SUBSTANCE: the plug is made of polymeric material, and elastic insert 2 is made integral with the body of plug 1 in its thinned central part. The part of the plug that fits the flask neck annular shoulders. Elastic insert 2 is made of rubber. EFFECT: enhanced functional properties and cheap in production. |
