B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 45/42 (2006.01) B29C 45/17 (2006.01)
Patent
CA 2233065
The injection moulding apparatus for producing hollow plastic articles comprises an injection moulding machine having interlockable male and female mould portions for forming a number of hot hollow plastic articles in an injection moulding cycle. A conveyor, spaced apart from the injection moulding machine, features receptacles for holding the hot hollow plastic articles in an upright position in order to let hot air disposed in the interior of each hot hollow plastic article to rise unheeded. A transfer mechanism quickly removes the hot hollow plastic articles from the injection moulding machine when in the mould-open position and deposits the hot hollow plastic articles upright in the conveyor receptacles. The transfer mechanism preferably comprises a carrier plate and a plurality of retractable jaw clamps disposed thereon for removing the hot hollow plastic articles from the injection moulding machine when it is in the mould-open position. A robot aligns and juxtaposes the jaw clamps with the hot hollow plastic articles when the moulding machine is in the mould-open position, and deposits the hot hollow plastic articles gripped by the jaw clamps into the conveyor receptacles.
Blake Cassels & Graydon Llp
Zygo Mould Limited
LandOfFree
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