New-York tribune., 1908-12-20
TIMELY AUTO TOPICS
advantages That Lie in Moulding
Process of Tire Making.

struction of tires Take the moulded tire as an
example. It IS built up. layer by layer. iron
core. Over It is camped iron mould When
the heat Of the curing process is applied, the rub
Der expands. and. in expanding. compes a perfect
union between the various layers Of rubber and OF
fabric This building up. however, Is a feat that
calls for dexterity. The workman cannot wholly
avoid wrinkles. irregularities and unevenness,
which are the OF many defects This trou-
Bile IS overcome by curing the tires an air bag.
The Goodyear tires example OF this process.
The air bag is only another name for an extra
strong inner tube.
When the tire has been completely built I'D on
this inner tube strong tape is wound around and
around It, and It is then cured in live steam. This
process prevents the terrific squeeze that the mould
ed tire gets when the heat expands II between the
core and mould. Another feature that makes for
tire durability is what is known oversize. This
Is Illustrated by the Goodyear quick detachable
tires. which can be removed in minute. The
Goodyear concern offers free to all automobilists
steel filled bottle with compressed air which does
away with tire pumping. 1t can be rehIled at any
Of the companys branches free Of charge.
During the two automobile shows in this city
Thomas 3. Jeffery & Co. will hold independent
exhibition Of Rambler in the spacious New
York branch building. The various 1909 models
will be shown. A novel model to- be exhibition is
the 45-horsepower four-passenger closed coupled
body The Rambler spare wheel, which sub
stituted for the regular wheel in three minutes,
will be demonstrated.
The thermo-syphon system used on Maxwell
has several advantages. The circulation is
directly proportional to the heat developed and is
Independent Of thes motor speed. In this respect,
according to J. D. Maxwell. 1t differs materially
from pump circulation. where the cooling effect is
directly proportional to the speed Of the engine.
1t has unfailing reliability. since all mechanical de-
vices, such SIS the pump. gear and other COnneC
tions. eliminated. The cooling effect is con-
tinued after the motor is stopped until the cylin
. ders the tacketing of the same tenn
perature.
This system. for equal horsepower, Is not heavier
than the puTro system. When this question
agitated last year the Maxwell Briscoe Motor Com
pany submitted figures showing that the amount
of water carried in each practically the
same, and that a slight saving in weight ef-
fected by the elimination OF gears. pumps. etc.
necessary, OF course, with ali pump systems.
The Corbin Motor Vehicle Corporation has seven
different 1909 models the market all OF 90
horsepower The types OF the as follows:
Roadster, baby tonneau, two different makes OF
touring town. limousine and landaulette. I'm
provements and refnements to be found the
new cars incosed shaft gears and an i'm
proved oiling system. a foot brake, double acting
and contracting; external cross tie rod in rear
axle increased leverage, universal joints. nclosed
and dustproof foot acCelerator and muffer cut
have been added regular equipment
Models OF the 1909 cars to be shown at the com
ing automobile shows arriving here daily. The
OidsmObile Company has competed arrangements
whereby it will have a complete exhibit at the
Broadway saesrooms from until after the
show.
J. NJ Gilbert general manager Of the Continental
Caoutchouc Company, is experimental trip
from this city to Buffalo and return in a Briarcin
Lozier model for the purpose Of testing the new
T c. and A. c. fat tread tires manufactured by the
COMPANY Measuring instruments for the purpose
of testing the heat created In the tire at speeds
from twenty-five TO sixty miles an hour are being
used to show the expansion Of the tire under ser
vice An effort will also be made to discover the
amount of air lost through road contract BY this
means It is expected that the technical weaknesses
will be brought out better than IN the ordinary
tests employed at the factory.
The StudebaHer Company, in line with Its policy
OF expansion has absorbed the Garford Motor Car
Company and it's entire stock OF cars In order
TO make Immediate sales these cars are being sold
at half price. The chasses are OF the Studebaker
type. At the Studebaker used car departrn can
and ma