Patent ID: 7267537
Filing Date: 2007-09-11
Classification: B29C,B29L

Abstract:
1. Blow mold apparatus comprising: an upper mold portion having an open bottom defined by a bottom annular edge of the upper mold portion, said upper mold portion comprising a pair of opposed mold halves cooperating and configured to partially define an internal blow cavity therebetween; a bottom mold portion received within said open bottom of the upper mold portion and cooperating with said mold halves to complete the blow cavity; a lock ring secured to said bottom edge of the upper mold portion and surrounding said bottom mold portion, said lock ring comprising a pair of opposed lock ring halves secured to respective ones of said mold halves, each of said lock ring halves having a plurality of circumferentially spaced bolt holes therein; a plurality of bolts received within said holes and releasably securing the lock ring halves to their respective mold halves, each of said lock ring halves being provided with at least one upwardly facing support ledge positioned between a pair of said bolt holes; and a support ring supporting said bottom mold portion against separation from the upper mold portion, said support ring including at least a pair of radially outwardly projecting lugs disposed between respective pairs of bolt holes in the lock ring halves and received upon corresponding ledges of the lock ring halves.