Appeal No. 1998-2035
Application 08/458,783
channel (18), a circular edge surface (29, see Figure 3), a
retaining ring which is the recessed portion of housing (25)
having threaded apertures (13), a pair of aligned vent
channels (12) and the aperture in element (24). The examiner
notes that Ruza lacks supplying a liquid lubricant through a
porous felt transfer
element upstream of the curling channel. Lyon is directed to
a drawing dye apparatus for cupping a metal blank into a
cartridge casing and is relied upon by the examiner to suggest
"the concept of" providing lubrication via channels (37) prior
to the main portion of a deforming die to reduce friction and
wear. Daniels is directed to an apparatus for the application
of a known quantity of lubricating oil to a wick lubricating
system of an electric motor and is relied upon by the examiner
to teach "the concept of" transferring lubricating fluid to
desired locations using wicks made of felt (23, 29 and 31).
The examiner then concludes (answer, page 4) that it would
have been obvious to one of ordinary skill in the art to
provide Ruza with
9
Page: Previous 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Next
Last modified: November 3, 2007