Blow molded article

Details Blow molded article Blow molded article

1988-03-31

1990-01-23

Robinson, Ellis P.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

206436, 220 78, 220 75, 428119, 428192, B65D 100

Patent

active

048957437

ABSTRACT:
Expanding the parison while the mold side parts defining the walls of the blow-molding chamber, one part per wall, are moved to mold closed positions causes flash to be pinched between each mold part and provides good wall thickness near the edges of the final product.

REFERENCES:
patent: 2486532 (1947-04-01), Kubach
patent: 3452391 (1969-07-01), Langecker
patent: 3563374 (1971-02-01), Carlsson
patent: 3564660 (1971-02-01), Darnell
patent: 3917102 (1975-11-01), Repetti
patent: 3949034 (1976-04-01), Uhlig
patent: 4129635 (1978-12-01), Yasuike et al.
patent: 4510116 (1985-04-01), Peters et al.
patent: 4666389 (1987-05-01), Relis et al.

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