Improvements in Cans for Petroleum, Spirits, and other Inflammable Liquids.
Year: 1891

page_text: Date of Application, 20th June, 1891-Accepted, 25th July, 1891
COMPLETE SPECIFICATION.
Improvements in Cans for Petroleum, Spirits, and other Inflammable
Liquids.
I, JULES TREICHLER of Lausanne in Switzerland Manufacturer 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:
The object of this invention is a can intended to contain petroleum, spirits and
other inflammable liquids and which is so constructed that an explosion of the gases
and liquids contained therein cannot take place.
Within the can A and along its wall is arranged a pipe B the lower end of
which is enlarged. The pipe B extends down nearly to the bottom of the can and
is furnished at the top with a prolongation B' projecting in the spout C. The
mouthpiece C of the spout C is prolonged inwardly by means of the tube D which
has purposely a smaller cross section than the pipe B B; this prolongation extends
to the wall of the can A. as shown in the accompanying drawing.
When the can whether fully or only half filled is inclined for the purpose of
pouring out the liquid contained therein the latter runs through the pipe B B¹
into the spout C filling the latter and passes thence outwardly through the pipe D
and the mouthpiece C. When the can is subsequently raised in a vertical position,
a portion of the liquid in the spout C passes through the pipe B' B back into the
can but the greater part thereof as well as the liquid in the pipe D collects at the
lower part of the spout C and surrounds the lower part of the tube D thus sealing
the lower opening of the same. in consequence thereof a flame reaching the pipe D
through the mouthpiece C¹ could not come into contact with the liquid contained
in the can or with the gases collected therein so that no explosion could take
place.
Should it however occur as an exceptional case, that the liquid in the lower part
of the spout C did not reach far enough to close the lower opening of the pipe D
the flame extending through C₁ could merely reach B1 and B, and as B is closed
there at the same height as the liquid contained in the can, the flame could not
proceed any further and could not consequently come into contact with the bulk of
the liquid contained in the can or with the gases collected therein; so that an
explosion would be also prevented in this case, for at the most only the liquid and
the gases contained in the spout C could be ignited which would be noticed by the
production of a small flame but no further mischief could occur.
To prevent any flame entering the can through the filling opening (when the said
can has not been duly closed by means of its lid) and hence to avoid an explosion,
the can is closed by a pocket shaped sieve E of fine wire gauze or finely perforated
sheet metal which extends down within the can and has preferably a conical
shape. This sieve is so arranged as to be easily removed for cleaning and other
purposes.
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. An explosion proof can characterized by a pipe B arranged within the said
can and furnished with a prolongation B₁ proiecting within the spout C, and by the

page_text: 2. In the can above claimed the arrangement of a readily removable pocket
shaped sieve closing the filling opening from the inside of the can and made of fine
metallic gauze or finely perforated sheet metal.
Dated this 20th day of June 1891.
AYRTON & THOMAS,
Patent Agents.