Method of molding a torus shaped article

Details Method of molding a torus shaped article Method of molding a torus shaped article

1975-05-06

1980-06-03

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

264326, 425812, B29C 504

Patent

active

042061709

ABSTRACT:
A torus shaped article can be molded using a liquid injection molding composition by placing a torus shaped mold at an angle of 1.degree. to 45.degree. with the horizontal, charging the mold at a port having a higher elevation and immediately rotating the mold to position the vent port at a point higher than the charging port.

REFERENCES:
patent: 233608 (1880-10-01), Fleming
patent: 331437 (1885-12-01), Platt
patent: 352559 (1886-11-01), Munton
patent: 1943026 (1934-01-01), McCreary et al.
patent: 2349213 (1944-05-01), Van Niekerk

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