Process and apparatus for producing an optically uniform, transp

Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface

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264236, 366307, 366325, 422133, 425204, 425205, 464 29, B29C 4112, F16D 2701

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active

045900302

ABSTRACT:
A process and apparatus for producing a homogeneous and highly transparent sheet or film from a mixture of a plurality of components which comprises mixing the combined reaction components and depositing the reaction mixture on a molding substrate where the reaction is carried out in a layer thereon, wherein the combined reaction components are mixed, first, in a static mixer and, immediately thereafter, in a dynamic mixer.
The invention can be advantageously applied to the manufacture of polyurethane sheets which can be employed in laminated glass sheets.

REFERENCES:
patent: 2868518 (1959-01-01), Corby, Jr. et al.
patent: 3111389 (1963-11-01), Hansen et al.
patent: 4065234 (1977-12-01), Yoshiyuki et al.
patent: 4115040 (1978-09-01), Knorr
patent: 4120618 (1978-10-01), Klaus

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