PROCESS FOR FORMING AND RELATED STATION FOR FORMING
Process and station (99) for forming a thermoplastic material, the process comprising: -making a semi-finished product (10) in the thermoplastic material, the semi-finished product (10) being air permeable; -closing a mould (90) with the semifinished product (10) interposed between the conformation...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | Process and station (99) for forming a thermoplastic material, the process comprising: -making a semi-finished product (10) in the thermoplastic material, the semi-finished product (10) being air permeable; -closing a mould (90) with the semifinished product (10) interposed between the conformation surfaces (3, 4) for compressing the semifinished product (10) between the conformation surfaces (3, 4); -heating the mould (90) for heating the semi-finished product (10), subsequently-opening the mould (90); -with the semi-finished product (10) coupled to a second half-mould (2) of the mould (90), contacting a free surface of the semi-finished product (10) with a coupling surface (80) of a catching device (71); -generating an air flow (200) which passes through the coupling surface (80) in a distributed way, the air flow being directed from the semi-finished product (10) to the coupling surface (80), for constraining the semi-finished product (10) to the catching device (71); -while keeping the airflow (200), removing the semi-finished product (10) from the mould (90) by movement of the catching device (71); -interrupting the air flow (200) for releasing the semi-finished product (10) from the catching device (71) and obtaining a finished article. |
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