Folding sheets, blanks or webs

Full Title

Making rigid or semi-rigid containers, e.g. boxes or cartons > Folding sheets, blanks or webs

Child Classifications

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• B31B 50/262
• 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