An Improved Method of and Tool for Forming Grooves in Wood and other Materials.
Year: 1897

page_text: PROVIDIUNAL SPECIFICATION.
An Improved Method of and Tool for Forming Grooves in Wood and
other Materials.
I, GEORGE HENRY YOUNG, of 80, King Street, Southport, Tobacconist, do hereby
declare the nature of this invention to be as follows:-
My invention relates to an improved method of and tool for forming grooves
in wood and other materials and refers more particularly to making grooves which
are circular in cross section and have the "mouth of less width than the
diameter of the groove. I cut the groove with a tool rotating at a suitable speed,
the axis of the tool being at right angles or more or less so to the direction of the
length of the groove. The cutting part of the tool is of an outline similar to the
cross section of the groove, and is connected to the stem of the tool by a neck of
about the same diameter as the mouth of the groove is wide. The cutting part
has a comparatively convex back and a hollow, grooved, or fluted front, the axis
of the flute or like being either in the same plane as the axis of the stem, or at
an angle thereto, and in any case the flute slopes from the neck of the tool back-
wards to the extremity of the cutting part of the tool. One side of the cutting
part may be removed to facilitate the escape of the chips cut out by the tool.
The stem of the tool is attached to a suitable socket or chuck rotated at the
required rapidity by any kind of power.
Dated this 10th dan of A
1907
An Improved Method of and Tool for Forming Grooves in Wood and
other Materials.
I, GEORGE HENRY YOUNG, of 80, King Street, Southport, Tobacconist, do hereby
declare the nature of this invention and in what manner the same is to be per-
formed, to be particularly described and ascertained in and by the following
statement:-
My invention relates to an improved method of and tool for forming grooves
in wood and other materials, and refers more particularly to making grooves.
רנס

page_text: 1. A tool for cutting grooves of a circular or other cross section and having a
mouth of less width than the width or diameter of the groove, the said tool con-
sisting essentially of a suitably rotated vertical stem or shank having a narrow
neck and an enlarged and spoon-shaped cutting end-portion, the lower part of
the said spoon-shaped cutting end-portion communicating with a spiral groove pro-
vided to facilitate the escape of the portions of the material removed by the tool,
the whole substantially as described in the above specification, and exemplified
more especially by Figs. 1, 2, and 3, of the accompanying drawings.
2. For use in cutting grooves of the kind mentioned in the above Claim 1, a
tool constructed substantially as shown by Figs. 4, 5, 6, and 7, 8, 9, of the
accompanying drawings.
3. The method of cutting grooves of the kind mentioned in the above Claim 1,
the said method consisting essentially in the employment of a suitably rotating
vertical tool having a suitably formed cutting end-portion, the said groove being
formed either by one application of the tool, or by the application in succession of
a series of tools each having a differently formed cutting end-portion, approaching
in shape more to that of the required cross section of the groove than does that of
the cutting end-portion of the tool, immediately preceding it in use, the whole

page_text: substantially as described in the above specification and exemplified in the
accompanying drawings.
Dated this 7th day of February 1898.
HUGHES & YOUNG,
23, Coleman Street, London, E.C., Agents for Applicant.