Improvements in the Manufacture of Engine Packings.
Year: 1888

page_text: Date of Application, 2nd Nov., 1888
Complete Specification Left, 2nd July, 1889-Accepted, 5th Oct., 1889
PROVISIONAL SPECIFICATION.
Improvements in the Manufacture of Engine Packings.
We WILLIAM BRIGGS of Gerard Street Derby in the County of Derby Engine
packing manufacturer and ARTHUR SIDNEY FOX of 68 Warner Street Derby in the
County of Derby Foreman Packing maker, do hereby declare the nature of this
invention to be as follows:
-
Our invention has for its object the production of an Engine packing which will
withstand the requisite pressure and combine the advantages of lubrication with
expansion and contraction and it consists in impregnating or covering woven cloth,
asbestos, cotton, flax, hemp, jute metallic wire or other suitable material with a
compound of metal carbons ground and mixed together by a suitable process, and
known as A. S. Foxe's carbonate compound.
The cloth when thoroughly impregnated or coated is made into packing by either
being rolled or lapped or put together in layers and may be interlayed or not with
metallic wire, metallic tape or cork or may be partially or wholly surrounded by
such.
TJ L
1000
POPPLEWELL, COLTON & Co.,
17 & 18, Southampton Buildings, London, W.C., Agents for the Applicants.
COMPLETE
SPECIFICATION.
Improvements in the Manufacture of Engine Packings.
We WILLIAM BRIGGS of Gerard Street Derby in the County of Derby Engine
packing manufacturer and ARTHUR SIDNEY FOX of 68 Warner Street Derby in the
County of Derby Foreman Packing Maker 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 :-
In carrying out our invention which has for its object the production of an engine
packing which while withstanding ordinary and usual pressure embraces the
advantages of elasticity lubrication and duribility together with a high adaptability to
expansion and contraction, we impregnate cover or coat woven cloth, asbestos, cotton,
fax hemp, jute, or other fibrous material or metallic wire or wire gauze or any
admixture of the foregoing with a compound of metal carbons such as plumbago
ground and mixed together by means of edge runners or a grinding mill having
rollers working in a steam jacket pan with a degree of heat varying in intensity
from 80° to 290° according to the nature of the carbons and the use for which the
packing is required when manufactured.
The carbons when ground are mixed with a solution of india rubber and formed
into a paste.
The cloth or other material or admixture of materials when thoroughly impregnated
covered or coated with the preparation before alluded to is formed or made into
packings of various kinds by being rolled lapped or put together in layers which may
or may not be interlayed with metallic wire metallic tape, wire gauze cork or other
suitable material, or, the impregnated covered or coated packing may be partially or
wholly surrounded by such further impregnated materials.

page_text: Having now particularly described and ascertained the nature of our said
invention and in what manner the saine is to be performed we declare that what we
claim is
1. An engine packing impregnated covered or coated with a compound of metal
carbons such as plumbago before being formed, rolled, lapped or otherwise
manufactured.
2. An engine packing manufactured substantially as herein before described.
any Vouy 1000.
POPPLEWELL, COLTON & Co.,
17 & 18, Southampton Buildings, W.C., Agents for the Applicants.