A cavity insert assembly used for molding a preform is disclosed. The cavity insert assembly comprises of a cavity insert (202, 302) and a lock ring (206, 308). The lock ring (206, 308) is connected at an end of the cavity insert (202, 302). The cavity insert (202, 302) is made of a pre-hardened steel of grade 1.231...

A locking mechanism (200) for bottles is disclosed. The locking mechanism (200) includes a cap (202) for closing an opening of a bottle, a sleeve (210) present around a lower portion of a neck (208) of the bottle, and a ring (214) present between the cap (202) and the sleeve (210). The ring (214) is connected with t...

A locking mechanism (200) for bottles is disclosed. The locking mechanism (200) includes a cap (204) mounted over an opening of a bottle (202), a ring (206) connected with the cap (204) while present in a locked condition, and a sleeve (208) present below the ring (206). The ring (206) includes an inner protrusion (...

A core insert assembly used for molding a preform is disclosed. The core insert assembly comprises of a core insert (302) and a ring (334). The core insert comprises of an upper portion (302a), a mid-section (302b), and a lower portion (302c). The upper portion (302a) is fabricated for allowing a cavity insert (318)...

A mechanism for opening and closing of a nozzle tip (312) in a hot runner (300) is disclosed. The mechanism includes a nozzle (310) disposed within a tip housing (306). The nozzle (310) comprising the nozzle tip (312). Further, a valve stem (314) is disposed within the nozzle (310) and is adapted to control flow of ...