Plastic article or earthenware shaping or treating: apparatus – With separate and distinct upstream agitating or kneading means – Plural means being diverse – or parallel and intermeshing or...
Patent
1986-06-11
1987-05-19
Hoag, Willard E.
Plastic article or earthenware shaping or treating: apparatus
With separate and distinct upstream agitating or kneading means
Plural means being diverse, or parallel and intermeshing or...
425225, 425258, 425447, 425817R, B29C 3924, B29C 6720
Patent
active
046663932
ABSTRACT:
An apparatus for continuously manufacturing polyurethane foam slabs in a batch, which comprises a cylindrical tank for developing polyurethane foam, having an inlet at the side wall thereof for introducing therein polyurethane feed solution; a stirring tank for forming polyurethane foam feed solution, which is mounted on a carriage movably placed in proximity to the cylindrical tank; stirring blades mounted within the stirring tank; a discharge pipe extending from a lower side of the stirring tank to discharge the feed solution through the inlet into the cylindrical tank; pipes for introducing raw materials into the stirring tank; and a pipe for introducing a washing solvent for removing the raw materials. The cylindrical tank is interchangeably connected with the stirring tank through the discharge pipe.
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patent: 3642392 (1972-02-01), Vanderhagen
patent: 3692442 (1972-09-01), Gerbert
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patent: 3788337 (1974-01-01), Breer
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Polyurethane Handbook, pp. 160-171, edited by Dr. Gunter Oertel, Hanser, Munich
Fujii Osamu
Idei Masao
Kumasaka Sadao
Tada Satomi
Yoneyama Goro
Hoag Willard E.
Human Industry Corporation
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