Appeal No. 1998-1916 Page 7
Application No. 08/406,392
Here, the examiner fails to identify a sufficient
suggestion to combine Kalb with the Clabburn. The insulator
of Kalb is assembled by axially compressing all its
weathersheds, inserting an insulating rod through the aligned
openings in the weathersheds, securing the end fittings to the
ends of the rod, and then releasing the compressive force
applied to the weathersheds. The reference describes the
assembly as follows.
In a preferred method of manufacturing the
insulator as many weathersheds 14, 14a and 14b as
are necessary to cover and enclose the entire length
of the rod between the lower end fitting 12 and the
upper end fitting 11 are arranged axially in a
column with their ends interfitted as in the final
assembly and their central openings aligned, the
annular grooves in all the weathersheds being
filled, and the ends 32 and 33 of all weathersheds
being coated, with the plastic dielectric filling
material such as grease before such arrangement, if
desired.
Compressive forces is then externally applied to
the end weathersheds 14a and 14b to compress the
entire column of weathersheds by about 10% of its
original length. While the weathersheds are
retained in compressed condition, the rod 10 is
forced through the column of weathersheds, while
stretching the weathersheds as indicated above.
Col. 8, l. 59, - col. 9, l. 9.
Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 Next
Last modified: November 3, 2007