A Composition for Making Pipe and other Joints.
Year: 1892

page_text: Date of Application, 25th Feb., 1892
Complete Specification Left, 22nd Nov., 1892-Accepted, 31st Dec., 1892
PROVISIONAL SPECIFICATION.
A Composition for Making Pipe and other Joints.
WALTER JOHN LOMAX Civil Engineer 11 Fold Street, Bolton, CHARLES
JAMES LOMAX Civil Engineer, 11 Fold Street Bolton and ROBERT SIMPSON
ENTWISLE Contractor Carlton Street Farnworth all in the County of Lancaster
do hereby declare the nature of this invention to be as follows:-
A material composed of gas tar and clay shale fire clay or other analogous
substances mixed in suitable proportions and intended to be used for making or
caulking the joints of sewers pipes troughs tanks cisterns and all other things &
appliances used for the conveyance storing or holding sewage liquids vapours
or gases.
1 1
£ Wahmary Eighteen hundred and Ninety-two.
COMPLETE SPECIFICATION.
A Composition for Making Pipe and other Joints.
We, WALTER JOHN LOMAX and CHARLES JAMES LOMAX, both of 11 Fold
Street, Bolton, Surveyors, and ROBERT SIMPSON ENTWISTLE of 30 Carlton
Street, Farnworth near Bolton, Contractor, all in the County of Lancaster, do
hereby declare the nature of our said 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 a composition for making pipe and other joints and
consists of a plastic material designed to supersede clay puddle and cement in the
making of sewer pipe and other joints. It is well known that clay puddle dissolves
under the action of water or liquid therefore is unsuitable for the purpose, especially
in wet ground or earth; and as cement sets hard the spigots and sockets of pipes
are securely fastened together, which necessitates the breaking of the same when a
removal or connection is made or necessary. Further, in case a settlement takes
place in the ground the pipes become broken through the unyielding nature of the
cement. It is also a matter of great difficulty and expense to make a water tight
joint with clay puddle and cement in ground where there is running or standing
water.
Our invention is intended to remove these defects and consists of a composition
of ground fire-clay and gas-tar mixed in the proportion of two parts of the former
to one part of the latter, or in other proportions according to the nature or liquid
condition of the gas-tar to produce the plastic material of workable consistency.
This plastic material is of a tarry or greasy nature, consequently_prevents the
percolation of water or liquid through a joint made therewith. In making a
spigot and faucet joint we roll a length out in the form of a rope and place it in
the socket for about one-half the circumference, and then place the spigot therein,
after which the upper side is made up with another rope like piece in a similar
manner, after which it is pressed in with a caulking tool. In case any portion of
the composition bulges out, either back or front, it may be scraped away with the
operator's hand, or by a tool to make a neat joint face. This composition or plastic
material has considerable advantages over clay puddle and cement as it will neither
freeze, melt, dissolve, or set hard; the latter enabling it to maintain a tight joint,

page_text: and allows the joints to yield in case of ground settlements. Another important
feature is that the plastic material will allow of sewer pipes being taken out without
breaking the same; and it is quite easy to make a perfectly water-tight joint no
matter what water may be met with in excavating.
Having now particularly described and ascertained the nature of our said inven-
tion and in what manner the same is to be performed, we declare that what
we claim is :-
:-
The manufacture and use of the plastic material of a tarry or greasy nature
consisting of the constituent or other parts named herein of ground fire-clay and
gas-tar for the purpose of making sewer pipe and other joints, substantially as
described.
Dated the 21st November 1802
EDMUND CHADWICK, F.I.C.P.A.,
Agent.