Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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
B31F1/0003—Shaping by bending, folding, twisting, straightening, flattening or rim-rolling; Shaping by bending, folding or rim-rolling combined with joining; Apparatus therefor
B31F1/0045—Bending or folding combined with joining
B31F1/0048—Bending plates, sheets or webs at right angles to the axis of the article being formed and joining the edges
B31F1/0061—Bending plates, sheets or webs at right angles to the axis of the article being formed and joining the edges for making articles of indefinite length
Verfahren zur Herstellung von mit Gewebe, Papier oder dgl. gefütterten oder umhüllten Papier- oder Gewebeschläuchen von beliebiger Länge in einem Arbeitsgange.
Verfahren zur Herstellung von mit Gewebe, Papier oder dgl. gefütterten oder umhüllten Papier- oder Gewebeschläuchen von beliebiger Länge in einem Arbeitsgange.