Core gluing device for a rewinding machine and related method
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United States of America Patent
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Issued Date -
Aug 11, 2005
app pub date -
Feb 2, 2005
filing date -
Feb 10, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A core gluing device for a rewinding machine comprises a conveyor (1) designed to convey cores (10a, 10b, 10c) along a core conveying surface (A-A), a gluing unit (2) comprising a first gluing roller (22) which picks up the glue from a glue container (20) and a second gluing roller (26) opposed to the first gluing roller, so that each core (10a, 10b, 10c) can pass between the two gluing rollers (22, 26) for application of a trace of glue (100b, 100c) on it. The gluing rollers (22, 26) are driven at different speeds to control the width of the trace of glue to be applied to the core, and positioning devices (4) are provided, arranged downstream of the gluing devices (2) and upstream of a log winding unit (6) of the rewinding machine for the correct positioning of the core (10c) with the related trace of glue (100c), before insertion between the winding rollers.
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