Rotational molding of hollow articles of uniform wall thickness

Details Rotational molding of hollow articles of uniform wall thickness Rotational molding of hollow articles of uniform wall thickness

1977-02-23

1979-03-27

Lowe, James B.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

264219, 425429, B29C 504

Patent

active

041465652

ABSTRACT:
A method for promoting the flow of a solidifiable liquid or molten material upon the surfaces of a body and particularly such a method applied to a process of rotational casting or molding requiring charging a mold cavity with the solidifiable liquid or molten material and rotating the mold about each of two mutually inclined axes with a speed that is progressively decreased substantially in accord with the progressive increase in viscosity of the solidifiable material.

REFERENCES:
patent: 2893057 (1959-07-01), Rekettye
patent: 3337662 (1967-08-01), Spencer
patent: 3652760 (1972-03-01), Petri
patent: 3754071 (1973-08-01), Ernst et al.

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