METHOD OF BLOW MOULDING FOR PRODUCTION OF SPHERICAL PRODUCTS FROM THERMOPLASTIC SHEETS Russian patent published in 1994 - IPC

Abstract RU 2014232 C1

FIELD: reprocessing of sheet blanks. SUBSTANCE: method of blow moulding of spherical products from thermoplastic sheets includes heating of blank in chamber up to hyperelastic state, placement of blank into aperture-shaped mould, putting of hollow cylinder on blow mould coaxial with its aperture, straining of blank, with thermoplastic blank in hyperelastic state, and article cooling. EFFECT: enhanced reliability of production process. 1 tbl, 3 dwg

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RU 2 014 232 C1

Authors

Subbotin Anatolij Nikolaevich

Dates

1994-06-15—Published

1991-11-22—Filed