FIELD: medicine.
SUBSTANCE: group of inventions refers to medicine. An inflatable face seal comprises a ring air-tight hollow portion. The face seal in its cross-section section of the ring hollow portion comprises an adhesive joint which connects two overlapped boards glued together so that a surface of the first board facing inside from the two overlapped boards contact with a surface of the second board facing outside from said overlapped boards. The surface of the first board facing inside is pressed to surface of the second board facing outside due to initial stress in the inflatable face seal. There are disclosed a method for making the inflatable face seal with using a mould and extending a part of the section, and a workpiece for making the face seal.
EFFECT: cutting production costs.
9 cl, 9 dwg
