B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/509
B29C 49/66 (2006.01) B29C 49/18 (2006.01) B29C 49/46 (2006.01) B29C 35/16 (2006.01) B29C 49/04 (2006.01)
Patent
CA 1165521
221-P-US02674 ABSTRACT In a blow molding process in which a parison is blown to form an article which is then cooled and recovered, a liquefied gas is introduced into the interior of partially blown article where it becomes vaporized and causes the completion of the blowing step as well as to cool the article. A mixture of the blowing gas and vaporized liquefied gas is recovered and recycled for use as the blowing gas in a subsequent blow molding step.
377181
Fukushima Hatahiko
Handa Tadahiko
Ochiai Kiyoshi
Air Products And Chemicals Inc.
Daido Oxygen Company Limited
Mcfadden Fincham
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