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
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Heating, Cooling, Or Curing Plastics Or The Like In General
(AREA)
Shaping Of Tube Ends By Bending Or Straightening
(AREA)