456 



THE INDIA RUBBER WORLD 



[May 1, 1917. 



equipped with carriers to take a 5-inch, 2-ounce bobbin, which 

 reduces the changes of bobbins necessary and consequent stop- 

 page of the machine. 



It will be noted in the illustration that two small uprights take 

 the place of the usual three uprights, which reduces the shadows 

 cast and improves the light on the work. The starting shaft is 

 enclosed in one of the uprights, and the finished braid passes 

 through the other, thereby protecting it from spots and stains. 

 The former, cross-bar and take-up are all of new design. The 

 former consists of but one piece, giving all adjustments from 

 one point. The cross-bar is thin, and is carried in a vertical 

 position, throwing the least possible shadow. The take-up rolls 

 are so situated that they provide 'for a longer space after the 

 braid leaves the former in which the operator can trim up 

 the work, pull out loose ends and attend to imperfections. 

 Take-up gears are quickly changed by the removal of a split 

 pin, the change taking less time than is required to describe it. 



A feature of the new braider is the capacity of each machine 

 to make three numbers of braid; for instance, a 16-spindle ma- 

 chine will make a 16-round braid, a 13-flat braid and a 17-flat 

 braid. This is due to the design of the carrier race and gear 

 layout, and the change over from one number to another is 

 made very simply by merely changing two gears and inserting 

 the filler bar. 



This braider is particularly well adapted to make elastic 

 braids, as its freedom from superfluous oil protects the rubber. 

 An extra fitting is supplied to regular machines for the purpose 

 of guiding the rubber from the tension rolls. [The Era Manu- 

 facturing Co., Providence. Rhode Island.] 



MACHINERY PATENTS. 



MACHINE FOE. REMOVING DIPPED GOODS FROM FOB.MS. 



THE removal of toy balloons, nipples and finger cots from the 

 dipping forms is accomplished automatically by this machine. 

 A side elevation, partly in section, is shown in the drawing, in 



which A is one-half of 

 the circular table carry- 

 ing the radial spring rods 

 B that support a plurality 

 of vertical form holders 

 C on their outer ends. 

 The forms are locked 

 against upward move- 

 ment when the revolution 

 of the table brings them 

 in operative position by a 

 cam plate D. An inter- 

 mittent, or step by step, 

 motion is given to the 

 table by bevel gearing 

 and a ratchet wheel oper- 

 ated by the bell-crank 

 lever E. Thus each form 

 is successively brought in position to be operated upon by the 

 stripping arms F F. The reciprocating motion of these arms, 

 necessary in removing the articles from the forms, is obtained by 

 cam G, that raises and lowers the carriage H, to which the arms 

 are attached. The arms are opened and closed by spring-con- 

 trolled cams /, and when the machine is in operation the forms 

 are stripped by the revolving concave co.Tiposition rollers, located 

 at the ends of the reciprocating arms. [William A. Brubacker. 

 assignor to the Miller Rubber Co. — both of Akron, Ohio. United 

 States patent No. 1,220,177.] 



sent a front elevation, partly in section, of a two-roll mixer 

 equipped with the automatic cutting and feeding device. This 

 comprises a feed hopper A, an endless apron feed not shown, 



and two cutting and 

 turning blades B, C that 

 are operated vertically by 

 screws D, E and laterally 

 by lead screw F, driven 

 by chain gearing from 

 the front roll. The in- 

 termittent action of the 

 blades is controlled by 

 electrically - driven 

 clutches mounted on the 

 vertical and horizontal 

 screws. A rotating disk 

 controller not shown, is 

 provided with contact pins that make and break the electric 

 circuit for actuating the clutches. By arrangement of the contact 

 pins in the disk perforations the blades are operated at proper in- 

 tervals, when the rubber sleeve is cut and fed back to the rolls 

 automatically. [Robert M. Graham, Akron, Ohio. United States 

 patent No. 1,220,221.] 



1,220,28 



OTHER MACHINERY PATENTS. 



THE UNITED STATES, 



Fabric and ho?e making machine. L. A. Subers, East Cleve- 

 land, Ohio. 



1,221,089. Paper carrier for wrapping machines. F. M. Pierce, assignor to 

 Pierce Wrapping Machine Co. — both of Chicago, III. 



1.221,349. Collapsible core. R. M. Merriman. Akron. Ohio. 



1,222,259. Device for repairing pneumatic tires. G. W. Boynton. Bostoq, 

 Mass. 



THE DOMINION OF CANADA. 



173,781. Tire cementing machine. J. N, Hibner, Detroit, Michigan, 

 U. S. A. 



'73,871. Mold for hollow rubber articles. Canadian Consolidated Rubber 

 Co., Limited. Montreal, Quebec, assignee of E. L. Stirason, 

 Cleveland. Ohio, U. S. A. 



174,089. Tire clasp. G. H. Broughton, Toronto, Ontario. 



174,209. Footwear vulcanizer. Canadian Consolidated Rubber Co., Limited. 

 Montreal, Quebec, assignee cf C. J. Randall, Naugatuck, Con- 

 necticut, U. S. A. 



THE UNITED KINGDOM. 

 16,328 (1915). Tire core. R. Bridge, Castleton Ironworks, Castleton, 



Lancashire. 

 16,330 (1915). \'ulcani2er head. R. Bridge, Castleton Ironworks, Castle- 

 ton, Lancashire. 

 Rubber mill. , S. C. Davidson, Sirocco Engineering Works, 



Belfast. 

 Repair vulcanizer. A. B. Low, 108 South Broadway, and 

 I. C. Osborn, 833 Meade street — both in Denver, Col- 

 orado. 

 A mandrel tor use in joining the ends of air tubes and 

 other rubber tubes. F. H. Hall, 6 Livery street, Bir- 

 mingham. 

 17,072 (1915). Hand operated rubber grater. J. Burns, 26 Waveley Road, 

 Coventry. 

 17,181 (1915). Tire vulcanizing mold. J. H. Coffey and J. H. Coffey, 

 73 Jameson avenue, Toronto, Ontario, Canada. 

 103,422. Device for preserving pressure in tennis balls. F. W. 



Stockton, 5450 Ridgewood Court. Chicago, Illinois. 

 U. S. A. 



16,400 (1915). 

 16,549 (1915). 



16,890 (1915). 



AtlTOMATIC MIXING MILL. 



The manual labor of cutting and rolling back the rubber jacket 

 that forms around the front roll of mixing and warming mills is 

 mechanically performed by this machine. The drawings repre- 



PROCESS PATENTS. 



RECLAIMING RUBBER FROM LEATHER TREADS. 



BY this process the rubber that serves to attach leather non-skid 

 tire treads to the casing is recovered. The metal studded 

 leather bands are removed from the casing and a certain number 

 of these are suspended in a steam jacketed digester, into which 

 a mixture of 3 parts of tetrachloruret of ethane and 1 part of 

 benzine is poured. The digester is closed and heated by intro- 

 ducing steam into the jacket for some minutes. Tetrachloruret 

 of ethane has the property of dissolving a considerable quantity 

 of sulphur when warm. The liquid containing the dissolved 

 sulphur is drawn off into a suitable apparatus, where it is re-' 

 covered for further use. 



The same quantity of solvent is poured into the dige.ster and 



