FIELD: plastic metal working, namely forming by means of elastic medium, possibly manufacture of hollow articles with branches such as T-pieces.
SUBSTANCE: filler includes elastic punch and rigid guide having mutually engaging surfaces. Guide has in mean part cavity for placing rigid plug. Plug may be moved into cavity in direction normal relative to lengthwise axis of rigid guide and it is spring-loaded by means of elastic member.
EFFECT: enlarged manufacturing possibilities, improved quality of hollow articles with branches due to stabilized pressure in formed branch.
1 dwg
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