Appeal No. 2006-1101
Application No. 10/193,560
appellants' drawing, the device (10) comprises a heating element
(42), a plunger (44), and a blade (24) having a cutting face
heated by the heating element and mechanically responsive to a
reciprocating action of the plunger wherein the length of the
blade provides a combined cutting and tack-sealing action to the
zipper whereby ends of the zipper are tack-sealed (see 28, 34)
when cut from the continuous length of zipper 12. The apparatus
is defined as comprising means for simultaneously cutting and
fusing a first end section 26 of the continuous length of zipper
12 so that a first tack-seal 28 is provided, and a means for
simultaneously cutting and fusing a second end section 32 of the
continuous length of zipper so that a second tack-seal 34 is
provided. Further details concerning this appealed subject
matter are set forth in representative claims 1 and 5, which are
the only independent claims on appeal and which read as follows:
1. A device for cutting and producing tack-seals on a zipper
from a continuous length of zipper, said device comprising:
a heating element;
a plunger connected to a moving medium, said plunger
grooved to receive said heating element, said plunger being
heated by said heating element;
a blade having a cutting face heated by said heating
element and mechanically responsive to a reciprocating action of
said plunger wherein the width of said blade provides a combined
-2-
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