Forming sheet materials

A method for forming an extensible sheet material comprises positioning a blank of sheet material (50) over a female forming cavity 10. The periphery of the sheet 50 is clamped around the periphery of the cavity 10. The sheet material is then pressed into the cavity by means of a male part 30. The c...

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Bibliographische Detailangaben
Hauptverfasser:	Nigel Davis, Richard Turnock
Format:	Patent
Sprache:	eng
Schlagworte:	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 PERFORMING OPERATIONS TRANSPORTING WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUSTO PAPER
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Beschreibung
Zusammenfassung:	A method for forming an extensible sheet material comprises positioning a blank of sheet material (50) over a female forming cavity 10. The periphery of the sheet 50 is clamped around the periphery of the cavity 10. The sheet material is then pressed into the cavity by means of a male part 30. The clamping is effected by means of the periphery of the sheet material 50 being clamped between non-planar clamping surfaces 6, 22.