Blowpin with self aligning shear ring

Details Blowpin with self aligning shear ring Blowpin with self aligning shear ring

1992-12-14

1993-10-26

Chiesa, Richard L.

Plastic article or earthenware shaping or treating: apparatus

Female mold and means to shape parison directly by internal...

With means to sever product

425531, 425535, B29C 4950

Patent

active

052560554

ABSTRACT:
A blowpin assembly for blow molding apparatus wherein the assembly utilizes a molded article shear ring cooperating with a mold ring opening to shear the neck of the molded article following the molding process. The shear ring is mounted upon the blowpin assembly for limited radial and axial movement thereto for automatically aligning itself with the mold opening during shearing.

REFERENCES:
patent: 3531556 (1970-09-01), Mehnert
patent: 3711233 (1973-01-01), Uhlig
patent: 4187070 (1980-02-01), Martin, Jr.
patent: 4497623 (1985-02-01), Beuscher
patent: 4631020 (1986-12-01), Frankenberg et al.

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