CREASING PLASTIC SHEET MATERIALS

Sheet plastics material 18 has a cold-formed crease line formed by positioning over a planar platen surface 16, bringing a rule 4 into engagement with the plastic sheet material 18 and deforming the sheet material between the end of the rule 8 and the platen surface 16, the rule 4 having a main body...

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Bibliographische Detailangaben
1. Verfasser:	NAILER, ROBIN, ARNOLD
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CUTTING CUTTING-OUT HAND CUTTING TOOLS MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNERANALOGOUS TO PAPER MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN AMANNER ANALOGOUS TO PAPER MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD ORMATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER PERFORATING PERFORMING OPERATIONS PUNCHING SEVERING SEVERING BY MEANS OTHER THAN CUTTING SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS STAMPING-OUT TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUSTO PAPER
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Beschreibung
Zusammenfassung:	Sheet plastics material 18 has a cold-formed crease line formed by positioning over a planar platen surface 16, bringing a rule 4 into engagement with the plastic sheet material 18 and deforming the sheet material between the end of the rule 8 and the platen surface 16, the rule 4 having a main body portion 8 tapering to a rounded tip portion 10, the tip portion 10 having a width of less than 60% of the main body portion 8. Force correcting tape strips less than 25 microns thick are applied, aligned with crease lines to be formed, between a press and a die board mounting the rule 4.