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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
B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
B31F1/0077—Shaping by methods analogous to moulding, e.g. deep drawing techniques
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FR722189D1931-08-281931-08-28Procédé et appareils pour la fabrication d'objets en carton, feutre ou toutes autres matières analogues
ExpiredFR722189A
(fr)