B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 65/02 (2006.01) B29C 31/00 (2006.01) B29C 47/02 (2006.01) B29C 47/00 (2006.01)
Patent
CA 2063733
2063733 9100801 PCTABS00003 An apparatus for manufacturing a foil web of a thermoplastic with locally secured fittings (21), for use as tarpoulins or similar articles, comprises an extruder head (1) with an entirely or mainly downwards directed ejection orifice and two counterrotating rollers (25, 26) with a nip for calibrating the extruded foil (22). In a feeding device with a vertical supply magazine (10) a stack of fittings (5) is accommodated which by means of a guiding duct (2) may be guided into a discharge duct (3) extending towards the roller nip. The guiding device is electrically operated and an electrically controlled stop member (15) with an associated fitting sensing element (12) are arranged at the lowermost end of the discharge duct (11-15) towards the roller nip (24) for accurate control of the supply of fittings to the roller nip and monitoring the presence of fittings in the discharge duct. The discharge duct is arranged in such a relationship to said counter rotating collers (25, 26) that each fitting is supplied from the mouth of the discharge duct (25) to the roller nip (24) by a substantially free fall.
Gowling Lafleur Henderson Llp
Polysheet A/s
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