Device for two-sided application of foils or similar material onto plate-shaped workpieces, and method of operating the same
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United States of America Patent
Stats
-
May 28, 1985
Grant Date -
N/A
app pub date -
Nov 30, 1983
filing date -
Feb 18, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Supplying of foils to be applied to both sides of a workpiece. Opposing feeding drums have identical exchangeable segments whose circumferential lengths correspond to the length of the respective foil segment lamina, and whose segment angle sums are less than 360.degree.. In order to affix a leading edge of the foil to the leading edge of the workpiece, the foil is cut at the back end of the segment, and a first segment (on whose circumference the foil segment lamina is fixed) is moved toward the workpiece. After the foil adheres to the board, the drum segment is withdrawn. During the course of further movement of the workpiece, the foil segment is stripped off the segment by use of a laminating roller and a vacuum shoe. The drum is then rotated so that for the next workpiece to be laminated, the second segment will become operative as a supply element for the foil.
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