Priority date (The priority date 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 date listed.)
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
B29C53/22—Corrugating
B29C53/24—Corrugating of plates or sheets
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Casting Or Compression Moulding Of Plastics Or The Like
(AREA)
OA53133A1967-04-141967-12-23Feuilles en matières plastiques et leur procédé de fabrication.
OA02560A
(fr)