METHOD FOR MANUFACTURING OF LIGHTNESS ARTICLES PREFERABLY BLOCKS OF FLOATABILITY Russian patent published in 1997 - IPC

Abstract RU 2078776 C1

FIELD: manufacturing of blocks of floatability of spheroplastics. SUBSTANCE: reinforcing frame of glass plastic being manufactured with perforation holes is placed into form before molding of blocks takes place. Mass of said frame is 3-7 % of mass of spheroplastics. Casting of unhardened composition of spheroplastics into form is carried out by layers. EFFECT: improved efficiency of the method. 13 cl, 1 dwg

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RU 2 078 776 C1

Authors

Preobrazhenskij Igor' Ivanovich

Fedorova Ol'Ga Evgen'Evna

Dates

1997-05-10Published

1993-07-27Filed