I apparatus for extrusion molding - blow molding a bottle for mounting one end of metal housing.

摘要

A mold for extrusion - blowing (10) for forming a plastic bottle (12) having an appropriate radial flange (14) for attachment by rolling to one end of a metal housing without any heating or different cooling nearby of the characteristic elements of the whole mold, the mold comprising a pair of stockings opposing halves (16) each including half mold portion (18) of body constitution, a portion of lower choke (20) located below the portion constitution body, and a portion (26) of the upper block including a blowing chamber (28) located above the portion of body constitution, characterized by a portion (36) of formation of a located rotating ring between the portion of body constitution and the upper portion of the block, including the portion (36) of a constitution rotating ring threaded ring insert (38) having an inner top edge (46) including a surface extending radially outwardly (48) defining an inner surface of the radial flange (14), further including the portion of constitution of rotary ring, insert ring cutting blade (40) located immediately above the insert threaded ring insert including ring cutting blade a bottom surface (56) adjacent an inner edge (58) defining an upper surface of the radial flange (14), including at least one insert between the insert threaded ring (38) and the ring cutting blade (40) a relief surface (64) connected to a ventilation channel (66) to allow escape of gas from the area defining the radial flange (14).