Apparatus for blow-molding hollow articles, in particular bottle

Details Apparatus for blow-molding hollow articles, in particular bottle Apparatus for blow-molding hollow articles, in particular bottle

1976-10-01

1978-02-07

Lazarus, Richard B.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

Plural wear or shaping surfaces mounted for alternative use

425526, B29D 2303

Patent

active

040724565

ABSTRACT:
A blow mold structure for the blowing of containers, bottles or the like rein a coolant fluid is circulated through the mold. The blow mold includes a pair of openable and closable mold blocks, each carrying a mold insert. The changeable inserts cooperably define the mold cavity, and coolant fluid is circulated between each insert and the adjacent mold block to cool the cavity-defining inserts. A series of grooves is formed in the exterior surface of the mold insert, the insert is sealed to its mold block and coolant fluid is introduced into and removed from the grooves through supply passages in the mold block. A chamfered abutment at one end of each insert and a mounting flange at the other end insures quick changing of inserts while maintaining structural rigidity during use.

REFERENCES:
patent: 3233416 (1966-02-01), Rainwater et al.
patent: 3768948 (1973-10-01), Horberg, Jr. et al.
patent: 3807928 (1974-04-01), Horberg, Jr. et al.

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