Appeal Number: 2007-0267
Application Number: 10/641,159
The appellants' invention relates to a method and apparatus for applying an
additive, preferably a liquid additive, to a moving, spread-out filter material web
used in the tobacco-processing industry with at least one spreading element. An
understanding of the invention can be derived from a reading claim 1 which is
reproduced below:
1. A method of applying an additive to a moving, spread-out filter
material web used in the tobacco-processing industry, comprising:
adjusting a window that includes at least one adjustable covering
element that at least partially defines an opening of the window wherein the
adjusting step includes moving the at least one adjustable covering element
across the window; and
applying the additive through the opening of the window onto the
spread-out web of filter material as the web of filter material moves past
wherein the amount of additive applied to the filter material is adjusted via
the movement of the adjustable covering element.
The references of record relied on by the examiner as evidence of
obviousness is:
Arthur 4,511,420 Apr. 16, 1985
Pryor 4,525,385 June 25, 1985
Wahle 4,776,351 Oct. 11, 1988
Butterworth 6,758,923 July 6, 2004
The examiner rejected claims 1, 3 to 10, 12, 14 to 16, and 18 to 20 under
35 U.S.C. § 103 as being unpatentable over Pryor in view of Butterworth.
The examiner rejected claims 1, 3 to 5, 7 to 10, 12, 14 to 15, 17 to 20 under
35 U.S.C. § 103 as being unpatentable over Arthur in view of Butterworth.
2
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