CPC Subgroup
B31B 50/26 Folding sheets, blanks or webs
Full Title
Making rigid or semi-rigid containers, e.g. boxes or cartons > Folding sheets, blanks or webs
8 direct subcodes
Child Classifications
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- B31B 50/28 around mandrels, e.g. for forming bottoms
- B31B 50/36 by continuously feeding the sheets, blanks or webs to stationary members, e.g. plates, ploughs or cores
- B31B 50/44 by plungers moving through folding dies
- B31B 50/52 by reciprocating or oscillating members, e.g. fingers (by plungers moving through folding dies B31B50/44)
- B31B 50/56 by rotary members co-operating with blades
- B31B 50/58 by moving endless belts
- B31B 50/585 by air jets