Unit for processing blanks provided with an optical confinement section having convergent walls
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United States of America Patent
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Nov 27, 2018
Grant Date -
May 18, 2017
app pub date -
Feb 4, 2015
filing date -
Mar 19, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
The unit (1) for processing hollow-body plastic blanks (2) includes a chamber (6) wherein the blanks (2) move along a predetermined path. The chamber (6) is defined, on both sides of the path, by two side walls (3, 4) having inner surfaces (5) that face each other. The chamber (6) includes a main section (9) wherein at least one of the walls (3, 4) is provided with a plurality of electromagnetic radiation sources (10). The side walls (3, 4) define therebetween, on at least one end of the chamber, an opening (8) for the preforms to pass therethrough. The chamber (6) includes at least one optical confinement section (12) that extends between the main section (9) and the opening (8) and wherein the inner surfaces (5) of the side walls (3, 4) are optically reflective and converge toward the opening (8).
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