Year: 1886

page_text: Date of Application, 4th Nov., 1886.
Complete Left, 2nd Aug., 1887.
Complete Accepted, 13th Sept., 1887.
I, ALEXANDER MELVILLE CLARK, of the firm of A. M. and Wm. Clark, of 53,
Chancery Lane, in the County of Middlesex, Fellow of the Institute of Patent
Agents, do hereby declare the nature of this Invention a communication to me from
abroad by Eduard Weis of Wiesenthal, near Reichenberg, Bohemia, Engraver, to be
as follows:
This invention has for object the cutting of very thin parts upon glass articles
without any danger of injuring or breaking the said articles.
According to this invention I coat the article to be cut, with a cement or com-
position which must be hard when dry, but may be easily taken off after the work is
made, either by the action of a solvent or by being submitted to the action of heat, at
a suitable degree of temperature.
The substances which may be employed in these conditions as a cement are
chiefly :-Shellac, rosins, collophany, pitch, glue, gelatine, &c.
In order that the small objects may be more easily handled during the process of
cutting, they may be fixed upon a supporting plate, together with the enveloping
cement.
It will be readily understood, that when articles are to be cut upon all their faces or
sides, a fresh coating of cement must be applied unto the cut parts before cutting the
remaining sides or faces.

page_text: When the articles are completely cut and polished, they are dipped in warm water
or in any suitable solvent of the cement employed; or the articles may be heated
until the cement is decomposed or burnt.
The invention is not to be confounded with the known process which consists
simply in fixing upon a metal or wood handle, objects or articles too small to be held 5
in the fingers, such as diamonds, small glass articles etc., as this invention is quite
different from such process.
Dated this 4th day of November 1886
A. MELVILLE CLARK.
By A. M. & Wm. Clark,
53, Chancery Lane, London,
Patent Agents.

page_text: I, ALEXANDER MELVILLE CLARK, of the firm of A. M. and Wm. Clark, of 53,
Chancery Lane, in the County of Middlesex, Fellow of the Institute of Patent
Agents, do hereby declare the nature of this Invention (a communication to me from
abroad by Eduard Weis of Wiesenthal near Reichenberg Bohemia, Engraver), and
in what manner the same is to be performed, to be particularly described and
ascertained in and by the following statement:
This Invention has for its object the cutting of very thin parts upon glass articles
such as goblets, beads, or the like without any danger of injuring or breaking the
said articles while ornaments, letters etc. are being cut into them.
According to this invention, I coat the article to be cut with a cement or com-
position which must be hard when dry, which cement may be easily taken off when
desired either by the action of a solvent or by being submitted to the action of heat
at a suitable degree of temperature.
The substances which may be employed in these conditions as a cement are
chiefly-Shellac, rosins, colophony, pitch, glue, gelatine, &c.
Glass articles coated in this manner may be cut in the ordinary way as this coat
does not hinder the process of cutting, but when the article is very thin and frail or
becomes so during the cutting operation, the cement being hard strengthens the
same thereby preventing the danger of breakage to which frail articles to be cut are
subjected when not so coated.
In order that small objects may be more easily handled during the process of
cutting, they may be fixed upon a supporting plate in the ordinary manner while
being covered with the cement.
It will be readily understood that when articles are to be cut upon all their faces
or sides a fresh coating of cement must be applied to the cut parts before cutting
the remaining sides or faces.
When the articles are completely cut and polished, they are dipped into warm
water or any suitable solvent of the cement, or the articles may be heated until the
cement is decomposed or burnt.
The invention is not to be confounded with the known process which consists
simply in fixing upon a metal or wood handle, objects or articles too small to be
held in the fingers such as diamonds, small glass articles etc., as these or any
glass articles to be cut are first covered with this cement to strengthen them, the
manner of holding and cutting being no part of this invention.

page_text: Having now particularly described and ascertained the nature of the said invention,
and in what manner the same is to be performed I declare that what I claim is ;-
The herein described process consisting in coating glass articles to be cut with a
cement or composition which becomes hard when dry, thereby holding the article
firmly together, then cutting the desired design on the article while held by the
cement, said cement overcoming the danger of breaking while cutting, and in then
removing the cement, substantially as described.
Dated this 20th day of July 1007