Appeal No. 2000-2229
Application No. 09/126,766
the corrugated fiberboard sheet . . . into predetermined lengths”
(specification, page 1). Representative claim 8 reads as
follows:
8. A rotary cutoff apparatus comprising:
a knife cylinder rotatably supported by an apparatus frame
and having a helical knife retractably mounted on a
circumferential surface of said knife cylinder via a cushioning
support mechanism;
an anvil cylinder rotatably supported by the apparatus frame
and juxtaposed with said knife cylinder, said anvil cylinder
having on its circumferential surface a substantially rigid
coating layer engageable with a cutting edge of said helical
knife when said knife cylinder and said anvil cylinder rotate in
opposite directions; and
said helical knife being movable between a projected
position in which said helical knife projects outwardly of said
knife cylinder when said cutting edge is out of contact with said
coating layer of said anvil cylinder and a retracted position in
which said helical knife is retracted inwardly of said knife
cylinder when said cutting edge is in contact with said coating
layer.
THE PRIOR ART
The references relied on by the examiner to support the
final rejection are:
Schriber et al. (Schriber) 4,131,047 Dec. 26, 1978
Von Schriltz 4,289,055 Sep. 15, 1981
Ohmori et al. (Ohmori) 4,630,514 Dec. 23, 1986
Steidinger 5,086,683 Feb. 11, 1992
Hornung 2,021,061 Nov. 11, 1971
German Patent Document2
2 An English language translation of this reference,
prepared by the United States Patent and Trademark Office, is
appended hereto.
2
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