Year: 1895

page_text: Date of Application, 13th Aug., 1895
Complete Specification Left, 12th May, 1396-Accepted, 13th June, 1896
1, RICHARD HENRY NOEL LINDLEY, of 34, Englefield Road, in the County of
London, Engineers' Factor, do hereby declare the nature of this invention to be as
follows
-
This invention relates to stuffing boxes and consists in providing an improved.
lining for the same.
In carrying out my invention I provide a cylindrical lining the inner surface-
of which is of truncated conical shape in vertical section. The outer surface is.
provided with circumferential grooves which communicate with each other through.
cross slits and the said grooves are formed with perforations to allow of the
lubricant passing to the interior of the lining and so to the packing. My lining is.
advantageously formed in two parts to allow of it being easily placed in the stuffing
box.
A groove is formed at one end of the lining to receive an asbestos ring or other
Buitable packing to form the joint at the bottom of the stuffing box.
Springs under the nuts of the stuffing box cap serve to exert pressure upon the.
packing.
Dated the 13th day of August 1895.
G. F. REDFERN & Co.,
4, South Street, Finsbury, London, Agents for the Applicant..
I, RICHARD HENRY NOEL LINDLEY, of 34, Englefield Road, in the County of
London, Engineer's Factor, do hereby declare the nature of this invention and in.
what manner the same is to be performed, to be particularly described and.
ascertained in and by the following statement :-
This invention relates to stuffing boxes and consists in providing an improved.
lining for the same.
In carrying out my invention I provide a cylindrical lining the inner surface of
which is of truncated conical shape in longitudinal section. The outer surface is.
provided with circumferential grooves which communicate with each other through
cross slits and the said grooves are formed with perforations to allow of the
lubricant passing to the interior of the lining and so to the packing. My lining-
is advantageously formed in two parts to allow of it being easily placed in the
stuffing box.
A groove is formed at one end of the lining to receive an asbestos ring or other
suitable packing to form the joint at the bottom of the stuffing box.
Springs under the nuts of the stuffing box gland serve to exert pressure upon.
the packing.
To enable my invention to be fully understood I will describe it by reference.
to the accompanying drawing, in which :-
Figure 1 is an elevation of my improved lining for stuffing boxes.

page_text: Figures 2 and 3 are end views of the same:
Figure 4 is a section of a stuffing box provided with my lining.
a is my cylindrical lining the said lining having its inner surface conical in shape
and being as shewn, made in two parts to enable it to be easily inserted in the
stuffing box.
b, b are the circumferential grooves on the outer surface of the lining and c, care
the cross slits which put the circumferential grooves b, b in communication. d, d are
the perforations in the said grooves to allow the lubricant to pass through the lining
to the packing e shewn in Figure 4.
f is the groove at one end of the lining a the said groove being designed to receive
a ring g of asbestos or other suitable packing as shewn in Figure 4.
Figure 4 shews my improved lining in position in a stuffing box h. The packing e
is packed round the rod i after the lining a has been placed in position and the
stuffing box gland ; is then screwed into position by means of the nuts k, k.
1, 1 are the springs under the nuts k, k for exerting pressure on the packing e.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed, I declare that what I
claim is :-
1. A cylindrical lining for stuffing boxes having its inner surface of truncated
conical shape in longitudinal section, and the outer surface of the same having
circumferential grooves formed in it, the said grooves being in communication with
one another by means of cross slits and having perforations formed in them
substantially as, and for the purposes, herein before described.
2. The manufacture and use of the improved lining for stuffing boxes herein-
before described and illustrated in Figures 1, 2 and 3 of the accompanying
drawing.
3. The manufacture and use of the improved stuffing box hereinbefore described
and illustrated in Figure 4 of the accompanying drawing.
Dated this 12th day of May 1896.
G. F. REDFERN & Co.,
4 South Street, Finsbury, London, Agents for the Applicant.