Method and apparatus for producing a laminated composite material having perforated inner layer
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United States of America Patent
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Jan 3, 1989
Issued Date -
N/A
app pub date -
Oct 27, 1986
filing date -
Feb 1, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device and method for forming a moving web of laminated composite material having weakened zones therein from a moving continuous web of relatively extensible plastic film material, having identical sets of graphics printed on nominally constant length repeat length portions thereof which are subject to length variation from a constant design repeat length distance, and a moving continuous web of relatively nonextensible paper material. A method and device for forming a three-layered composite material having weakened zones therein is also described. Carton blanks and liquid tight cartons having tear away tab portions formed from such three-layered composite material are also described.
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