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Патент USA US2122279

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June 28, 1938,
2,122,279
A. w. CRANE
METHOD OF MAKING A sow BALL
Filed Aug. 8, 19:55
INVENTOR.
Aueusws W. CRANE
BY
ATTORNEYS
Patented June
2,122,279
1938
YPAJENT I mes
- um'rso SATES
. 2,122,219
.1 G vA GOLF BALL
LETHQD OF
, Mich; 0. Hub
Augustus W. Crane, '11» .i.
bard Kleinstuck executor ot the estate of said
Augustus W. Crane,
Aimplication
deceased
8, 1%)35, Serial No. 35,356
i. L, _. 5 r;
.11
‘ (cl 154-18)
in a jelly paste or by means of a matrix such as
The main objects of this invention are:
First, to provide golf balls which have a high‘ sponge rubber, so that the center of gravity of
degree of internal pressure and a highly elastic the ball will remain unchanged. The degree of
tension may be regulated by maintaining the con
core.
Second, to provide a method oi producing golf trol of temperature for a predetermined time and
ball cores containing a gas developed within the then sterilizing as by pasteurization, or by using
a measured quantity of fermentable material.
. Third, to provide a method of producing highly The culture may be allowed to die from products
of its own metabolism in a- balance culture
tensioned golf balls.
10
Fourth, to provide an improved golf ball which medium.
10
By this method a very substantial pressure
is well balanced and capable of long and accurate
within the core may be produced, depending
?ight.
'
Fifth, to provide a method of manufacturing upon the type of organism, the culture medium,
and the length of time permitted for develop
golf balls having the above stated qualities.
15
r
\
>
Objects pertaining to details and economies of ment thereof.
Inasmuch as the cores, ?lled with inoculated
my invention will de?nitely appear from the de
scription to follow. The invention is de?ned in material, may be wound completely before gas
formation is permitted, it is possible to produce
the claims.
'
,
A golf ball embodying the features of my in-' golf balls by my method having very high pres
sures within the cores, because the windings
29 vention is clearly illustrated in the accompanying
about the cores provide ample resistance to ex‘
drawing, in which:
Fig. 1 is a side elevation of a golf ball embody- ‘ pansion and rupture, this allowing a degree of
gas compression not otherwise possible. Since
ing my invention.
Fig. 2 is a central section on line 2-2 of Fig. l the degree of gas compression within the core of
,
core.
-
25 of a ?nished golf ball.
.
Fig. 3 is a section through the hollow core.
Fig. 4 is a section through a ?lled core prio
to the development of the gas therein.
-
Fig. 5 is a section through a wound core prior
30 to the development of the gas therein.
'
,
'
.
'
‘The growth of certain micro-organisms and
thus the production of gas within the cores is ,
2, a body 3 and a shell t. The core is a hollow
elastic shell containing an expansion medium in
dicated at 5. The body 3 is formed by winding
be very accurately controlled and the center of
upon the core ribbon or elastic strands under
gravity is maintained throughout the life of the
ball, depending on the nature of the core ?lling
thereof being indicated by the concentric dotted
lines.
'
'
Referring‘to the drawing, the numeral 5 ‘indi
35 cates a golf ball generally, which comprises a core
40 stretching tension. This method of winding may
be that commonly employed in the manufacture
of golf balls.
'
I provide a high elastic tension within the core
by introducing therein, before winding, a mate
ticed. Further, the pressure within the ball can
medium.
,
It will be understood that no e?‘ort has been
made to show the elements of the‘ ball ln‘propor
tion, the drawing being by way of illustration
rialsuitable for the growth of gas-forming micro
organisms, the material having been inoculated,
only.
previous to being introduced into the core, with
?cations which might prove practical as it is be
lieved that this disclosure will enable those skilled
in the art to practice'my invention as may 7"
desired.
Having thus described my invention what I
the selected organisms. The gas-forming micro
organisms include molds, yeasts and bacteria.
50 The material or culture medium suitable for the
growth of any one of these organisms may be of
. various compositions containing carbo-hydrates,
proteids, or hydrocarbons. The culture medium
is of such a composition that the formed gas
55
determines the distance over which a golf ball
can be driveni
controllable by temperature but golf balls may
be manufactured by this method under favorable
factory conditions; for example, the winding
operations can be performed at more comfortable
temperatures than are practical with certain
methods of manufacturing golf balls now prac
Fig. 6 is an elevation of the core, the expansion
45
' a golf ball becomes an important factor in the
elastic tension of the ball as a whole, this factor
will remain evenly distributed throughout either
‘I have not attempted to point out all the modi
claim as new and desire to secure by Letters
Patent is:
1. The method of forming golf balls consisting
of introducing into a spherical ?emble shell a
2
araaare
material suitable for‘ the growth of gas-forming
micro-organisms inoculated with'the organisms,
micro-organism within the core to produce ex
pending pressure therein.
and winding the core with elastic strands under
tension prior to such growth of the gas-forming
micro-organisms so that the development thereof
of introducing into a spherical ?exible core shell
will result in a core under high elastic tension.
2. The method of making golf balls consisting
of introducing into a hollow elastic spherical core
a measured quantity of fermentable material,
and winding with elastic strands under tension
7. The method of forming golf balls consisting _
a material suitable for the growth of a gas-form
ing micro-organism inoculated with the organ
ism, and winding the core with elastic strands
under tension prior to such growth of the gas-v.
forming micro-organisms.
8. The method of .making golf balls consisting 10
prior to the expansion of the core by the fer
mentation of the material therein so that the
of introducing into a, hollowelastic spherical core
a measured quantity of inoculated micro-organ
expansion of the material within the core results ism culture material, and winding with elastic
_ in producing internal tension.
strands under tension prior to the expansion of
3. The method of forming golf balls consisting
the core by the material therein so that the ex
of introducing into a hollow expandible core a
pansion of the material within the core ‘results
micro-0rganism_
in producing a high tension ball.
inoculated ' culture
medium,
winding, maintaining the wound ball for a pre
determined time at a temperature suitable for
the growth of the micro-organisms within the
wound core to expand the core within the wind
ing and develop an internal pressure, and then
'
I
9. The method of making golf balls consisting
of the step of introducing into a hollow elastic
spherical core a measured quantity of inoculated 20
micro-organism culture material, and permitting
the development of the micro-organisms within
sterilizing by pasteurization to stop the growth.
4. The method of forming golf balls consisting
the core.
of introducing into a hollow expandible core a
of introducing into a hollow expandible core a.
micro-organism inoculated with a culture me
10. In a method of forming golf balls, the steps
micro-organism inoculated culture medium.‘
winding, and permitting the growth of the micro
dium and a sponge~rubber matrix-therefor, wind_
organisms within the wound core to expand the ing the core, permitting the micro-organism to
core within the winding and develop an internal . develop, and terminating the development ,by
pressure.
sterilization when the pressure of the gas pro 30
5. The method of forming golf balls consisting
of the step of introducing into a hollow expandi
ble core a micro-organism inoculated culture
duced by the development reaches a predeter
mined value.
‘
and temperature suitable for the. growth of the
11. In a method of forming golf balls, the steps I
of introducing into a hollow expandible core a
micro-organism inoculated with a culture me
micro-organisms within the core, and then steri
dium and a matrix therefor, permitting the micro
medium, maintaining the wound ball for a period
lizing.
-
‘
-
6. The method of forming golf balls consisting
of the step of introducing into a hollow expandi
v ble core a micro-organism inoculated culture me
dium, and permitting the development of the
organism to develop, and terminating the de
velopment when the pressure of the gas produced
by the development reaches a. predetermined
value.
40
AUGUSTUS W. CRANE.
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