Improvements in Incombustible Lamp Wicks.
Year: 1892

page_text: Date of Application, 16th May, 1892
Complete Specification Left, 11th Feb., 1893-Accepted, 18th Mar., 1893
PROVISIONAL SPECIFICATION.
Improvements in Incombustible Lamp Wicks.
I, JOSEPH COLIN FRANCIS JOHNSON, of Pirie Street, Adelaide in the Province
of South Australia, Mining Agent, do hereby declare the nature of said invention
for "IMPROVEMENTS IN INCOMBUSTIBLE LAMP WICKS to be as follows :-
"
My invention relates to certain improvements in the incombustible lamp wicks for
which I have already made application for Letters Patent No. 21954" entitled
"An improved incombustible lamp wick."
In my previous invention the incombustible material and preferably slag wool
was enclosed in an envelope or casing formed of gauze or netting of incombustible
material. My present improvement consists in dispensing with this envelope or
casing and in the application of a tip or end piece of incombustible material to an
ordinary cotton wick securing the same thereto in any ordinary manner.
I find that for all practical purposes the tip or end piece need be only
about grd to th of an inch in length. It may be formed by weaving threads of
asbestos upon the end of a cotton wick in the course of its manufacture, or by
attaching laterally a whisp or small portion of loose asbestos or other suitable
incombustible fibrous material to the end of a cotton wick by means of stitches of
incombustible thread so that the whisp or loose material forms a tip or end piece ;
or in certain forms of wicks a short piece of asbestos cloth may be either attached
to the end of the cotton wick and so form the tip or end piece.
I wish it to be understood that I do not confine myself to any one of the methods
described or to any special and particular method of attaching a tip or end piece of
incombustible material to an ordinary cotton wick.
Dated this 16th day of Mov 1809
W. P. THOMPSON & BOULT,
Agents for the Applicant.
COMPLETE SPECIFICATION.
Improvements in Incombustible Lamp Wicks.
I, JOSEPH COLIN FRANCIS JOHNSON, of Pirie Street, Adelaide in the Province
of South Australia, Mining Agent, do hereby declare the nature of my invention
for "IMPROVEMENTS IN INCOMBUSTIBLE LAMP WICKS," and in what manner
the same is to be performed, to be particularly described and ascertained in and
by the following statement :-
My invention relates to certain improvements in the incombustible lamp wicks
for which I have already made application for Letters Patent No. 21954" entitled
"An improved incombustible lamp wick."
In my previous invention the incombustible material and preferably slag wool
was enclosed in an envelope or casing formed of gauze or netting of incombustible
material. My present improvement consists in dispensing with this envelope or
casing and in the application of a tip or end piece of incombustible material to an
ordinary cotton wick, securing the same thereto in any ordinary manner.
I find that for all practical purposes the tip or end piece need only be about
3rd to th of an inch in length. It may be formed by weaving threads of asbestos
upon the end of a cotton wick in the course of its manufacture, or by attaching
laterally a whisp or small portion of loose asbestos or other suitable incombustible
fibrous material to the end of a cotton wick by means of stitches of incombustible
thread so that the whisp or loose material forms a tip or end piece; or in certain
Price 8d1

page_text: forms of wicks, a short piece of asbestos cloth may be attached to the end piece of
the cotton wick and so form the tip or end piece.
I wish it to be understood that I do not confine myself to any one of these
methods described or to any special and particular method of attaching a tip
or end piece of incombustible material to any ordinary cotton wick, but,
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 :-
The application of a tip or end piece of incombustible material to an ordinary
cotton wick, substantially as herein described and for the purpose indicated.
Dated this 10th day of February 1893.
W. P. THOMPSON &. BOULT,
Agents for the Applicant.