FIELD: process engineering.
SUBSTANCE: invention relates to production of plastic bags. Heat sealing plate has intake seat (7) to accommodate insert (8) locked thereat. Coupling rod (16) of heater (1) should be fitted in extra seat (11) and, then, through axial passage (10), into axial recess (9). Heater (1) comprises drive to displace said coupling rod (16) along its axis so that rod head (17) engages with internal ledge (18). Coupling rod (16) and insert (8) interact with each other for fitting heat sealing plate (2) at heater (1).
EFFECT: simplified fitting and withdrawing of heat sealing plate (2).
4 cl, 5 dwg
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