October 1, 1916. 



THE INDIA RUBBER WORLD 



19 



this plunger to bring the knife out through a slot in the end of 

 the cap. ani,l liack inside, being effected through a small pin pro- 

 jecting frcim a bayonet slot in the side (if tlw cap. [W. E. 

 Meadwell. Ithaca, New York.] 



CUSHION EUBBER-SOLED CANVAS SHOE. 



In this high-tensioned age the majority realize the impurtance 

 of reducing or eliminating shocks to the nervous system, and a 

 shoe sole that prevents shock in walking would rightly be consid- 

 ered a benefaction. In the 

 "Aviator" sport and ten- 

 nis shoe, here shown, a 

 resilient cushion, compris- 

 ing a filler of aerated or 

 sponge rubber between 

 the inner and outer soles 

 of the shoe, serves as a 

 shock absorber and heat 

 insulator. The ilhistration shows a sTioe cut through the center 

 longitudinally, revealing the air-spaced rubber filler, which, it 

 will be seen, is doubly thick at the lieel, where the need of a 

 shock absorber is greatest. This gives also an added springiness 

 to the step, a real aid to pedestrianism, while for protracted gym- 

 nasium work on hardwood floors, "Aviator" slioes are said to 

 produce less than half the fatigue ordinarily felt when wearing 

 the usual sporting shoes. [Canadian Consolidated Rubber Co., 

 Limited, Montreal, Canada.] 



A FLEXIBLE COUPLING AND UNIVERSAL JOINT. 



The old type of universal joint, while generally positive and 



effective, has its objectionable features. To overcome these and 



give one of uniform strength in 



every direction, and between all 



points, and to reduce shocks and 



give more elasticity, the Thermoid- 



Hardy Fabric Flexible Coupling 



has been evolved. The main fea- 

 tures' of this invention are two 



three - armed spiders, attached on 



opposite sides of a flexible disk, at 



alternate points. These disks are 



composed of frictioned Sea Island 



cotton fabric, three thicknesses of 



which are built up to form the 

 cushion. These are attached to the 

 spiders by bolts and nuts, washers 

 being provided to prevent tearing 

 during adjustment. The strength 

 of the superposed layers, their 

 threads at different angles, com- 

 bined with their flexibility, makes 

 a coupling which is economical to 

 assemble, eliminates back-lash, re- 

 quires no lubrication, is not af- 

 fected by water nor oil, prevents 



the tranMu i'.'!: .1 shocks and sounds, and is frictionless. It 



has been adopted, or is being tested, by many prominent engineers 



and factories in this country and abroad. [Thermoid Rubber 



Co.. Trenton, Xew Jersey.] 



EUBBEK-COATED ADHESIVE PLASTER. 



Rubber in a plaster for surgical uses adds to its adhesiveness. 

 A rubber-coated zinc oxide plaster which sticks and stays stuck, 

 and which, besides its surgical use, can be used for repairing 

 articles of glass, china, cloth, wood, rubber tires, hose, etc., is 

 now put up in various widths and lengths, in attractive metal 

 boxes. [Bauer & Black, Chicago, Illinois.] 



>////J/////////„/W/W/M//,.V77^ 



HAT ■•SWEAT- BAND WITH RUBBER DISKS. 



For purposes of ventilation it is necessary that some means 

 be provided so that the inner band of a man's liat, known as 

 the "sweat band," will not come in too close contact with the 

 head. Some sweat bands contain projections which form corru- 

 gations, unpleasant in sensation and exerting injurious ijressure 



on the head of 

 the wearer. Also, 

 they do not ma- 

 terially assist in 

 (3 (5 ^ K maintaining the 



hat on the head. 

 Ill tlie improved method here shown, thin rubber disks, or 

 buttons, are fitted into holes about the size of a 10-cent piece 

 made in the leather band. These rubber buttons when inserted 

 form a perfectly smooth surface, but each button has a flange 

 which keeps it from coming through the band and a humped 

 back which throws it forward when the hat comes in contact 

 with the head. .\s it |)ermits a comfortable, natural |)osition 

 of the hat and free passage of blood through the scalp, the 

 headaches so apt to be produced by ill-fitting hats are avoided, 

 and it is claimed also to prevent baldness. [Robert H. Holmes, 

 \ew York Citv.] 



GOODRICH RUBBER BLANKET AND APRON. 



Many a good suit lias been ruined when a motor ride is in- 

 terrupted by accident or injury to the mechanism underneath the 

 car, rendering necessary the "get out and get under" process cele- 



brated 

 blanket 

 can be 



in song, to discover and remedy the trouble. K rubber 

 which, unlike many others, is not at all cumbersome, but 

 folded into a small, compact package and carried easily 

 under the car seat or in the tool 

 box. is a suit saver, and per- 

 chance a life saver, if the ground 

 lie of a moist variety. This is 

 also an excellent camping blanket, 

 and, in fact, its uses are mani- 

 fold and its disadvantages nil. 



The rubber apron for garage 

 workers, also illustrated, com- 

 pletely envelops the wearer from 

 neck to heels, thus affording the 

 thorough protection particularly 

 desired when washing the cars. 

 For the uncleanly operations of 

 vulcanizing tires, repairing auto- 

 mobile parts, etc., this ample 

 covering is also highly useful, 

 and it is claimed to be made of 

 an excellent grade of rubber. 

 [The B. F. Goodrich Co., Akron, 

 Ohio.] 



