Method of superposing webs
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United States of America Patent
Stats
-
Jan 7, 1992
Grant Date -
N/A
app pub date -
Dec 6, 1990
filing date -
Dec 6, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for superimposing webs where multiple ply cut pieces are applied to a carrier from one vacuum applicator cylinder or drum by first cutting multiple pieces from continuous webs and aligning the trailing edge of the multiple pieces or web lengths. These pieces may be of equal or unequal lenghth or of equal or unequal width and these are applied to a carrier at high speed and accurately positioned irrespective of whether the carrier is continuous or non-continuous. The invention applies to lengths of paper, film, foil, fabric or the like, any of which that are flexible enough to conform to the vacuum drum or cylinder by vacuum.
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Cited Art Landscape
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