Appeal 2007-2551
Application 10/359,160
a polyethylene layer applied to at least a portion of the inner
surface of the base material and configured to secure the base material
around the ream of paper; and
a melt shield layer applied along lanes bordering a seal area
over at least a portion of the polyethylene layer on the inner surface of the
paper base material to protect the ream of paper from being exposed to the
polyethylene layer when the base material is wrapped about the ream of
paper and exposed to a heat source.
30. A wrapper for a ream of paper comprising:
a paper substrate having an inner surface and an outer surface;
a polyethylene layer applied to at least a portion of the inner
surface of the substrate;
a P.E.I. layer applied to at least a portion of the outer surface of
the substrate to reduce at least one of a temperature and a pressure at which
the polyethylene layer forms a seal; and
a melt shield layer applied in at least one lane bordering a seal
area over at least a portion of the polyethylene layer on the inner surface of
the paper substrate to protect a ream of paper wrapped by the substrate from
at least one of the temperature and the pressure applied to secure the
substrate about the ream of paper.
The Examiner relies upon the following references as evidence of
obviousness:
Buzio US 4,421,780 Dec. 20, 1983
Knauf US 5,250,348 Oct. 5, 1993
Poole US 5,421,512 Jun. 6, 1995
Parker US 6,505,735 B1 Jan. 14, 2003
Dronzek US 2003/0203166 A1 Oct. 30, 2003
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