Method for heating a container blank, the temperature of the outer wall of which is low, and unit for heating blanks

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United States of America Patent

PATENT NO 9757878
SERIAL NO

14128831

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Abstract

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Method of heating a blank (2) of plastic material for the manufacture of a hollow body by forming from the blank (2), which comprises the operations consisting of:

    inserting the blank (2) into an oven (7) provided with sources (9) of monochromatic or pseudo-monochromatic electromagnetic radiation emitting in the infrared range;exposing the blank (2) to the radiation from the sources (9), adjusted to a predetermined emission power for a predetermined exposure time;measuring a temperature on an outer wall (16) of the blank (2);Characterized in that it comprises an operation consisting of:adjusting the exposure time and/or the emission power so that said temperature at an exit from the oven (2) [sic: (7)], does not fall between Tg and 1.8·Tg, where Tg is the glass transition temperature of the material.

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Patent Owner(s)

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International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bellec, Caroline Octeville sur Mer, FR 8 29
Derrien, Mikael Octeville sur Mer, FR 38 154
Feuilloley, Guy Octeville sur Mer, FR 49 281
Maillot, Isabelle Octeville sur Mer, FR 6 23

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