Vpril 1, 1915.] 



THE INDIA RUBBER WORLD 



387 



New Machines and Appliances. 



TIRE FABRIC FEEDING DEVICE. 



IX the operation of Gammeter's device, the Eabric strip is led 

 from the rollei over the tension rollers and applied to the 

 tire core. This is driven by the usual mechanism and serves 

 to propel the measuring wheel through frictional contact. 1 he 

 fabric feeds to the core as fast as the tension roller will allow 



it. and since the roller is of smaller dian than the wheel 



and rotates with it, the fabric is corresponding^ tretched over 

 the iiii.l. He or larger diameter oi the core. The resistance to 

 rotation of the main tension roller is furnished in large part by 



A — Chuck. B — Core. C — Frictioned Fabric Roller. D — T.intr Roller. £ 

 — Auxiliary Tension Roller. F — Main Tension Roller. 

 G — Measuring Wheel. // — Brake 



a brake. The pull exerted by the main tension roller will pro- 

 duce a continuous leftward pressure in the frame, causing the 

 hrake to contract upon its drum. [United States patent X". 

 1.124.412.1 



AIR BRAKE HOSE MANDREL. 



C 1 LL'S invention provides a mandrel upon which the hose 

 *-^ is formed and vulcanized with enlarged and square fin- 

 ished ends. 



The body of the iron or steel mandrel is hollow and slightly 

 enlarged at one end. A collar is fitted over the enlarged end 

 and is held in position by a pin. 



At its opposite end the mandrel has a plug with a projecting 

 Stem threaded on the outer end. A sleeve that fits over the 

 stem abuts against the end of the mandrel. The outer end 

 of the sleeve is threaded to engage the threaded portion of 

 the plug. The main body portion of the sleeve corresponds 



iftS 



A— Mandrel Tube. B— Collar. C— Collar Pin. D— Threaded Plug. 

 E — Sleeve. F — Sleeve End. G — Hi 



in diameter to the enlarged portion at the opposite end of 

 the mandrel, and these parts form the enlarged ends of the 

 hose section. 



The sleeve at its outer end is of the same diameter as the 

 collar at the opposite end of the mandrel. These parts form 

 square shoulders against which the end faces of the hose 

 section are formed. The sides of the collars are flattened to 

 fit the wrench or tool used for unscrewing the sleeve and 

 collar and for replacing them in position. [United States 

 patent No. 1,130.030.] 



VULCANIZER PRESS 



' I * II 1 '- \ilani-i.n press has two bearings or stuffii 



for the rani ami outside openings through which adjust- 

 • i, 

 I In » ul< .on., i base is an outwardly daring casing terminat- 

 ing ii e to which the vulcanizer shell is riveted. The 

 i contracted end is formed into a horizontal flange bored 

 ti. receive tin ram cylinder. The upper end of the cylinder 

 i- flanged and supports the lower packing gland. Formed 

 integral with the vulcanize! i ' horizontal partition to 



which is bolted a ring bored to tit the ram. To the under side 



./ — Vuli ! i Shell 5 Ram. C — Ram Cylinder. -Vulcanize! 

 I I ower Gland. F — Upper Gland. G — -Hand Holes. 



i f this ring is bolted the upper packing gland. The flaring 

 wall of the base is pmvided mi opposite sides with openings 

 through which access may be had to the nuts of the bolts 

 fastening the packing glands as well as those of the ring. 

 [Unite. 1 States patent X'o. 1,128,831.] 



NALL'S TENSIONING DEVICE. 



"THIS device is applied to the type of tire building machines 

 that carries the rolls of frictioned fabric on a revolving 

 frame and delivers the fabric strip to a revolving core. The 

 fabric and liner roller and two guide rollers are not shown. 

 The fabric strip is carried from the stock roller around a 

 guide roller and then around the rubber covered tension 

 roller. It is then passed around another guide roller and tin- 

 end applied to the tire core, which is revolved by the usual 

 means. Previous to this, however, the operator shifts the 

 clutch lexer to its upper position, which moves the segment 

 K-\er and throws in the jaw clutch. The core is then revolved 

 and the fabric pas>e- around and revolves tin tension roller. 



