Appeal No. 97-2966
Application 08/393,858
d) axially foreshortening said forming member and said
radially expanded end length of said sleeve, concertina
fashion to cause circumferential portions of said sleeve to be
pressed between convolutions of said forming member, to form
at least rudimentary corrugations in said end length;
e) axially extending said forming member and said end
length of said sleeve while radially collapsing said end
length;
f) moving said sleeve axially along said mandrel to a new
axial location;
g) moving said forming member axially relative to said
sleeve to a new length portion of said sleeve axially spaced
from said end length;
h) repeating steps c through g until a desired number of
length portions with rudimentary corrugations are formed;
i) removing said forming member from said sleeve; and
j) curing said sleeve to provide a length of tubing with
a plurality of axially spaced corrugated segments and with a
uniform wall thickness.
No prior art has been relied on by the examiner.
Prior art relied on by this merits panel of the Board is:
Kramer et al. (Kramer) 3,304,581 Feb. 21,
1967
The prior art set forth by the appellant in lines 23-31
of page 2 of the specification (the admitted prior art).
Claims 7-9 stands rejected under 35 U.S.C. § 112, first
paragraph, as being based upon an original disclosure which
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