Appeal No. 2001-0305 Page 2 Application No. 09/077,356 BACKGROUND The appellant's invention relates to a valve needle for an injection valve (specification, p. 1). Claim 9 is illustrative of the invention and reads as follows. 9. A valve needle for use in an electromagnetically operable injection valve of a fuel injection system in an internal combustion engine, comprising: an armature; a metal valve closing element; and a plastic connecting part having a first end coupled to the armature and a second end coupled to the metal valve closing element, wherein the plastic connecting part includes an orifice that has a bottom and runs in a direction of the armature from a lower end face located at the second end of the plastic connecting part, wherein the orifice has at least two successive areas of different diameters, and wherein a section of the metal valve closing element engages the orifice of the plastic connecting part in a form-fitting manner. The examiner relied upon the following prior art references of record in rejecting the appealed claims: Ament 4,497,298 Feb. 5, 1985 Soviet Patent No. 596,746 (the Soviet patent) Feb. 16, 19781 Our understanding of this reference is derived from the translation1 (continued...)Page: Previous 1 2 3 4 5 6 7 8 9 10 11 NextLast modified: November 3, 2007