B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/157, 18/509
B29C 49/54 (2006.01) B29C 49/00 (2006.01) B29C 49/04 (2006.01)
Patent
CA 1086465
Abstract A tire shaped article is blow molded by extruding a tubular parison between movable mold sections, sealing the open end of the parison, injecting air into the parison, moving a lower mold section and the bottom portion of the parison upwardly and expanding an inter- mediate portion of the parison radially outwardly into a mold cavity.
266835
Smart & Biggar
W.r. Grace & Co.,-Conn.
LandOfFree
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