Appeal No. 96-3315
Application 08/209,405
affect the basic and novel characteristics of the claimed
sealing tape.
Hurst, Figure 1, discloses a release sheet or tape
having eleven (11) layers, with paper layer (12) and plastic
film layers (13) being affixed together with primer coatings
to define a laminate, which laminate then has silicon release
coatings (14, 16) applied thereto, pressure-sensitive adhesive
layers (18) applied over the silicon release layers and back-
ings (20) applied over the adhesive layers. Hurst makes no
mention of a biaxially oriented plastic film, of corona dis-
charge treatment, or of cold lamination of the paper and
plastic layers using water-based adhesive. Moreover, even if
the plastic film layers and the primer coating layers of Hurst
were to be replaced with
biaxially oriented plastic film layers that have been corona
discharge treated to accept a water-based adhesive so as to
allow
5
Page: Previous 1 2 3 4 5 6 7 8 Next
Last modified: November 3, 2007