DIFF Subgroup
B29C 57/045 Full Title
Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor > Belling or enlarging, e.g. combined with forming a groove > using mechanical means
B29C 57/045 Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor > Belling or enlarging, e.g. combined with forming a groove > using mechanical means