Improvements in the Manufacture of Golf-balls.
Year: 1891

page_text: Date of Application, 14th Nov., 1891
Complete Specification Left, 4th Dec., 1891-Accepted, 9th Jan., 1892
PROVISIONAL SPECIFICATION.
Improvements in the Manufacture of Golf-balls.
I, JOHN ALEXANDER FRASER BRAND, of Hebron Bank, Morningside,
Edinburgh, Commercial Traveller, do hereby declare the nature of this invention
to be as follows :-
This invention relates to improvements in the manufacture of golf-balls, and
consists in making the balls white throughout, requiring no paint. The substance
of which the ball is made consists of paper fibre, nitric acid and camphor. This
compound is commonly known as celluloid or xylonite, and being of greater specific
gravity than gutta-percha would make too heavy a ball if solid throughout. In
order to obtain a ball of the right size and right weight I make it hollow in the
centre. This may be done either by moulding the ball in two halves and drilling
out the surplus weight equally from each or by using mould which will give the
hollow part in the centre of each half.
Another plan of making a golf-ball which requires no paint is to cover a smaller
ball of another material with this compound.
Dated this 13th day of November 1891
BOTTOMLEY & LIDDLE,
154, St. Vincent Street, Glasgow, Applicant's Agents.
COMPLETE SPECIFICATION.
Improvements in the Manufacture of Golf-balls.
I, JOHN ALEXANDER FRASER BRAND, of Hebron Bank, Morningside,
Edinburgh, Commercial Traveller, 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 :-
This invention relates to improvements in the manufacture of golf-balls, and
consists in making the balls white or red throughout, requiring no paint. The
substance of which the ball is made consists of paper fibre, nitric acid and camphor.
This compound is commonly known as celluloid or xylonite, and being of greater
specific gravity than gutta-percha, would make too heavy a ball if solid throughout.
In order to obtain a ball of the right size and right weight I make it hollow in the
centre. This may be done either by moulding the ball in two halves and drilling
out the surplus weight equally from each, or by using a mould which will give the
hollow part in the centre of each half.
Another plan of making a golf-ball which requires no paint, is to cover a smaller
ball of another material with this compound.
The accompanying sheet of drawings represents on an enlarged scale the two
halves which are formed in properly shaped moulds and dies. On the face a a of
one half a channel b is formed, and on the face c c of the other half a ridge d is
formed which will fit into the channel b. When the two halves are to be joined
together the channel is filled with cement, and the two halves are pressed
together. The space A. forms the air chamber inside the ball. The ridge denters
the channel b, and a firm joint is made.
Instead of the ridge d and channel b, I may have a series of pins in one half, and
corresponding hollows in the other; or the two halves may be dovetailed
together

page_text: 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. A golf-ball made of celluloid having an air chamber inside by which is
obtained a ball of the proper weight, and the material of which is white or red
throughout.
2. The method of manufacturing the ball in two halves-one half having a ridge
or pins round the face which fits or fit into a channel or hollows round the face of
the other half-for the purpose of forming a secure junction between the two
halves with cement.
3. In the manufacture of golf-balls, making the interior of a light material such
as cork or asbestos and covering it with celluloid so as to obtain a ball of the
proper weight and colour without paint.
Dated this 3rd day of December 1891.
BOTTOMLEY & LIDDLE,
154, St. Vincent Street, Glasgow, Applicant's Agents.