IPIQ

PERFORMING OPERATIONS; TRANSPORTING

B31

MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER

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B31F

MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER

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1/00

Mechanical deformation without removing material, e.g. in combination with laminating

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B31F1/0003

Shaping by bending, folding, twisting, straightening, flattening or rim-rolling; Shaping by bending, folding or rim-rolling combined with joining; Apparatus therefor

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B31F1/0045

Bending or folding combined with joining

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B31F1/0048

Bending plates, sheets or webs at right angles to the axis of the article being formed and joining the edges

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B31F1/0051

for making articles of definite lentgh

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Patent classifications