1920] 



THE INDIA RUBBER WORLD 



New Goods and Specialties. 



LATE AUTOMOBILE FAN BELTS. 



THE iiKVEi.oi'MENT of llie automobile business has apparently 

 resulted in multiplying the number of accessories on the 

 market, and many of these employ rubber in some form in 

 their composition or construction. The automobile fan belt 

 often is in this class and two of the late 



types are illustrated herewith. The upper 



one is the newer of the two and is an end- 

 less V'-belt made like a cord tire, molded 

 to fit the pulley, thereby minimizing the 

 tendency to slip. The cross-sectional view 

 shows the construction of this belt, which 

 is made in standard sizes to fit passenger 

 cars, trucks, or tractors. 

 The picture below shows a magnified 

 view of a section of a bias-woven fan beh. 

 ^^^^^ Being woven on the bias makes it elastic 

 ^^B^r ^"d gives it a firm grip on the fan pulley, 

 vIV assuring the user of its always remaining 



"Vulco-Cobd" ''ght. This belt is made under a United 



V-Fan-Belt. States patent granted to Charles C. Gates, 



the inventor, for what is known as the "Vulco-Cord" process. 

 (Gates Rubber Co., Denver, Colo- 

 rado.) 



THE "EVERLOC" HOUSEHOLD PATCH. 



A patch that will mend the ordi- 

 nary articles of fabric, leather, or 

 rubber, such as rubber shoes, auto- 

 mobile tops or tires, footballs, um- 

 brellas, etc., is called the "Everloc." 

 In addition, there is a cobbler kit 

 containing self-vulcanizing patch ma- 

 terial in a strip. (Everloc Sales Co., 

 Minneapolis, Minnesota.) 



THE "BIG" AND THE "LITTLE" IN MOTOR TRUCK TIRES. 



The big tire shown here is the "Samson," 40 by 12 inches, 

 weight approximately 400 pounds, believed to be the largest solid 

 motor truck tire ever made in Canada. The smaller one is a 

 3'/2-inch tire, shown for the sake of comparison. It is claimed 

 that the 12-inch tire contains a greater proportionate volume 

 of rubber than any other and that it is exempt from such 

 troubles as splitting and coming 

 loose from the steel base. Some 

 idea of the tremendous undertak- 

 ing involved in manufacturing a 

 tire of this size can be gained 

 from the fact that the mold 

 equipment necessary to handle it 

 wtishs approximately two tons. 

 While the manufacturer will con- 

 tinue to make the 6 and 7-inch 

 dual tires, it is sure that better 

 service is obtained from the use 

 of single "Samsons," because 

 what is practically combining the 



GOGGLES TO GUARD AGAINST DUST AND POWDERS. 



The King "Dustsafe" C goggle is designed to protect against 

 dust and powders. The rigid aluminum cups are bound with 

 rubber coiuposition, as is also the connecting chain. The C. 



"Sai 



duals into one 



broad tire 



offers greater cushioning and carrying capacity. The 12-inch 

 "Samson" will carry a load of 10,0(X) pounds as against an 8,000- 

 load for the 6-inch dual, while the 7-inch dual carries the same, 

 10.000 pounds. The company will next produce a 14-inch "Sam- 

 son." (Dunlop Tire & Rubber Goods Co., Limited, Toronto, 

 Ontario, Canada.) 



model has ventilating side ports and elastic straps for adjusting 

 and fastening. (The F. VV. King Optical Co., Cleveland, Ohio.) 



A METER TO MEASURE TRUCK LOADS. 



To prevent overloading, with consequent damage to motor 

 trucks, tires and especially to the highways, the Loadometer has 

 been invented. It is a portable instrument having a screw jack 

 mounted on its plunger. The base of the instrument is an oil- 

 filled cylinder in which the plunger operates, and the weight car- 

 ried by the plunger is indicated on a high-pressure gage con- 

 nected to the oil chamber. 



By placing a pair of Loadometers under the rear axle of a 

 truck where the greatest weight is carried and jacking up the 

 rear wheels clear of the ground, the maximum load per inch 

 of tire width is easily determined. The jack handles can be 

 readily detached from the instrument so that a pair of Load- 

 ometers can be easily carried about in a small automobile. 

 County and state road commissioners are using these devices ex- 

 tensively to prevent abuse of improved roads. (The Black & 

 Decker Manufacturing Co., Baltimore, Marvlaiid.) 



The "Sl.\P.\tch" for large blow-outs, has live rubber self- 

 adhering surface which holds patch to inside of tire casing and 

 double weight canvas back, while canvas flaps fit under rim. 

 (The Wilson Rubber Co., Des Moines, Iowa.) 



