Improvements in Spring Tongs to be used in the Manufacture of Bottle Necks, and for similar purposes.
Year: 1894

page_text: Date of Application, 23rd Aug., '1894
Complete Specification Left, 22nd May 1895-Accepted, 22nd June, 1895
PROVISIONAL SPECIFICATION.
Improvements in Spring Tongs to be used in the Manufacture of
Bottle Necks, and for similar purposes.
I CHARLES HENRY FERNLEY of 48 Hanover Street South, Audenshaw near
Manchester, in the County of Lancaster, Butcher, do hereby declare the nature of
this invention to be as follows:-
My invention relates to the construction of spring tongs to be used principally in
the manufacture of the necks of glass or other bottles, for the purpose of forining
therein an external screwed thread, a groove, and a shoulder or collar for the
application of a metallic or other screwed cap to close the mouth of the same.
The general form of the tongs is similar to those in ordinary use for analogous
purposes, consisting of two spring arms and a central rod.
The central rod terminates in a fixed pin or peg of suitable diameter for passing
inside the mouth of the bottle, and is provided with a fixed plate in which is a recess
for forming the edge of the mouth or lip of the bottle.
The end of each spring arm is provided with a fixed profile for forming the
shoulder or collar, and a revolving flange for forming the groove (or a roller for
forming the shoulder or collar and groove) and a screw for forming the screw
thread, driven by a small spur wheel, revolving freely upon the end of the spring
arm, being supported by a collar below and (where a roller is used for forming the
shoulder or collar) held in place by a spring cotter above.
spur
Sliding upon the central fixed peg, and upon a pin in the fixed plate before
named, is a slotted frame or cage, containing three spur wheels in gear with each
other, and the outer wheel on each side is in gear with one of the small wheels
on the spring arms, being always held in gear therewith by means of a radial link
connecting the two centres. Thus it will be seen that the whole of the five.spur
wheels will be always in gear with each other, aud that the outer wheels cau
approach to and recede from each other, whilst the sliding frame or cage will move
to and fro on its slot.
By this arrangement the two screws when once set will always revolve exactly
together, so as to form a perfect screw thread, at the same time that the spring arms
are perfectly free to open and close in the ordinary manner.
I propose to form the above named screws so that, they will make the thread on
the bottle.neck slightly tapered, that is, smaller and less deep at the lip or mouth
than at the shoulder or collar; and I also propose to mill the flange which forms
the groove in the bottle neck just above the collar for the reception of the india
rubber or other sirailar ring. This will both enable: the tongs to grip the bottle
firmly, and will also form a roughened surface in the groove which will, thus
hold.the said ring more securely and prevent it from slipping round on the bottle
neck.
To keep the spring arms in proper position. I fix a cross bar on the central-fixed
pin and this cross bar passes through a slot in each arm. This cross bar is provided
with studs or stops. to prevent the spring arms from opening, out or closing in
too far.
I would remark in conclusion. that these tongs, may be modified to suit larger or
smaller bottles or similar receptacles, the diameter of the screws being made to

page_text: correspond with the size of the neck or mouth upon which the screw thread is to be
formed:
".
Dated this 22nd day of August 1894.
GEO. DAVIES & SON,
4, St. Ann's Square, Manchester, Agents for the Applicant.
COMPLETE SPECIFICATION.
Improvements in Spring Tongs to be used in the Manufacture of
Bottle Necks, and for similar purposes.
I CHARLES HENRY FERNLEY of 48 Hanover Street South, Audenshaw, near
Manchester, in the County of Lancaster Butcher, 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 :-
My invention relates to the construction of spring tongs to be used principally
in the manufacture of the necks of glass or other bottles, for the purpose of forming
therein a solid external screwed thread, a groove, and a shoulder or collar for
the application of a metallic or other screwed cap to close the mouth of the same.
The construction will be readily understood on reference to the accompanying
drawings, Figs. 1 and 2 being side elevations (Fig. 1 partly in section) and Fig. 3
a transverse section.
The general form of the tongs is similar to those in ordinary use for analogous
purposes, consisting of two spring arms a a¹ and a central rod b.
The central rod 6 terminates in a fixed pin or peg bor a loose, shell of suitable
diameter for passing inside the mouth of the bottle shewn dotted on Fig. 2,
and is provided with a fixed plate 6 or its equivalent in which is or may be
a recess for forming the edge of the mouth or lip of the bottle.
The end of each spring arm a or a¹ is provided respectively with a fixed
profile c or c for forming the shoulder or collar a', and a revolving flange d or d
for forming the groove (or a roller for forming the shoulder or collar and
the groove) and a screw e or e¹ for forming the screw thread driven by a small spur
wheel for f revolving freely upon the end of the spring arm, being supported
by a collar g or gl below and (where a roller is used for forming the shoulder
or collar) held in place by a spring cotter above.
Sliding upon the central fixed rod 6 and upon a pin in the fixed plate 12
before named, (in the case where the rod is squared such pin h is unnecessary)
is a slotted frame or cage i, containing three spur wheels k, k², k² in gear with
each other, and the outer wheel kork on each side is in gear with one of
the small spur wheels for f¹ respectively on the spring arms a a', being always
held in gear therewith by means of a radial link or (see Fig. 3) connecting
the two centres. Thus it will be seen that the whole of the five spur wheels f,k,k,k', f¹
will be always in gear with each other, and that the outer wheels f f can
approach to and recede from each other, whilst the sliding frame or cage i will
move to and fro on its slot i¹.
By this arrangement the two screws e e¹ when once set in "pitch" with one
another will always revolve exactly together, so as to form a perfect screw
thread, at the same time that the spring arms a a¹ are perfectly free to open
and close in the ordinary manner.
I propose to form the above named screws so that they will make the thread
on the bottle neck slightly tapered, that is, smaller and less deep at the lip or
mouth than at the shoulder or collar; and I also propose to mill the flange d d¹,
which forms the groove in the bottle neck just above the collar for the reception
of the india rubber or other similar ring (see Figs. 1 and 2). This will both enable
the tongs to grip the bottle firmly, and ensure the rotation of the screws e e¹, and

page_text: will also form a roughened surface in the groove which will thus hold the said
ring more securely and prevent it from slipping round on the bottle neck.
To keep the spring arms in proper position I fix a cross bar m on the central
fixed rod 6 and this cross bar m passes through a slot in each arm. This cross bar m
is provided with studs or stops n n' to prevent the spring arms a a¹ from opening
out or closing in too far.
I would remark in conclusion that these tongs may be modified to suit larger or
smaller bottles or similar receptacles, the diameter of the screws being made to
correspond with the size of the neck or mouth upon which the screw thread is
to be formed.
Having now particularly described and ascertained the nature of my said inveu-
tion and in what manner the same is to be performed I declare that what
I claim is :-
1. The improvements in spring tongs (for the manufacture of bottle necks and
the like) substantially as herein before described and illustrated by the annexed
drawings, whereby the screws forming the thread on the neck of the receptacle are
always in gear and in pitch with each other.
as e
el
2. The combination with spring tongs for the above purpose of screws such
spur wheels and such as ffk k¹ k² and slide frames such as i substantially
as hereinbefore described and illustrated by the drawings annexed.
3. The combination with the screws e e¹ of milled flanges d d substantially as
and for the purposes hereinbefore set forth.
Dated this 21st day of May 1895.
GEO. DAVIES & SON,
4, St. Ann's Square, Manchester, Agents for the Applicant.