306 



THE INDIA RUBBER WORLD 



[Ji \f. i, 1903. 





.._ - -• ■ -^'',-'-"»i 



THE "MONITOR" EXPANSION PACKING. 

 A NEW form of engine and pump packing in which there are 

 expanding wedges of rubber, and known as the " Monitor," ap- 

 parently is made 

 on sc'entific prin- 

 ciples. A cross 

 section of the 

 packing shows 

 that it is com posed 

 of two triangles — 

 wedges of the best 

 grade of Tuck's— 

 with rubber cush- 

 ions at either end, 

 and a rubber strip 

 placed diagonally 

 through the center. In use the wedges work next to the rod, 

 the rubber cushions form gaskets, and the center strip allows 

 the wedges to work with perfect freedom, expanding automati- 

 cally, and following up with the wear on the packing. As a 

 very slight pressure will expand the wedges, the packing lasts 

 much longer than it otherwise would, and it is also applicable 

 to stuffing boxes of varying sizes. [Mulconroy Co., Inc., Nos. 

 1213-1215 Market street, Philadelphia.] 



THE " B-OK " TIRE. 

 A new tire for motor cycles, automobiles, and general vehi- 

 cles is known 

 "~~~-^, as the B-OK, 

 ■'-•Koj which term is 

 easily e x- 

 plained by ref- 

 erence to the 



diagram showing it in cross section. The tire is really a solid 



one except that the interior of it is sponge rubber held in place 



by a duck cover lapped over the 



tread which gives it an extra 



thickness, and outside of that is 



a solid rubber cover. There is 



no doubt but what a tire of this 



kind will last a good while and if 



it punctures ever so many times 



it is by no means injured. A tire 



of this kind, of course, is a little 



heavier than a pneumatic of the 



same size, and for certain pur- 

 poses it is undoubtedly safer and superior. 



Co., Chicago, Illinois. 1 



THE JONES NON-SLIPPING RUBBER HEEL. 

 There are two features about the ordinary rubber heel that 

 mitigate against its use in many cases. One is that, given 



an icy surface 

 on which a cer- 

 tain amount of 

 water rests, the 

 heel proves as 

 slippery as if it 

 were made of 

 soap. The sec- 

 ond is the fact 

 that, in spite of 

 one's self, the 

 wearer of such 



HEEL SURFACE. hee | s wa lks 



into an office so silently that unless he coughs, kicks over a 



[The B-OK Tire 



chair, or announces himself in some unusual way, he is apt to 

 give the owner of the premises a sudden, and sometimes un- 

 pleasant, start. A heel that is designed to do away with both 

 of these vexations is that shown in the illustrations. The de- 

 sired result is accomplished by the insertion of an oval shaped 

 piece of leather in the middle of the heel which, under wear, 

 roughens a little and prevents slipping, and which also gives in 

 walking the sound that the ordinary leather heel does. A fur- 

 ther advantage claimed for this heel is that it is strongly ce- 

 mented to a thin lift of leather on the under side, by which 

 means it is fastened securely to the shoe. [The Jones Combi- 

 nation Rubber Heel Co., No. 39 Vesey street, New York.] 



AN EXHIBITION OF " GALALITH." 



AT the general exhibition in the interest of the hygienic milk 

 supply, held in Hamburg from May 2 to 10, and in which 

 much interest is taken, the exhibit of " Galalith " by the Vere- 

 inigte Gummiwaren-Fabriken, Harburg-Wien, is one of the 

 most prominent. This new product, made from the precipi- 

 tated cheese- matter of skim milk {casein), has been exhibited 

 for the first time in its manifold applications. The directors of 

 the above named firm, Herr Senator Carl Maret and Herr Louis 

 HofT, after the exhibition had been duly opened, explained in 

 detail the manner of manufacture of the various articles made 

 of Galalith. Among the many persons taking an especial in- 

 terest in this product were Herr Burgomaster Dr. Burchard, 

 Herr Burgomaster Dr. Hachmann, Herr Baron Chr. von 

 Schroder; Senators Dr. Traun, Kahler, Dr. von Melle; State 

 Presidents von Oertzen of Luneburg and Frhr. von Reiswitz- 

 Kardzin-Stade, and many others. All the scientific authorities 

 of the physical institutions evinced great interest in the pro- 

 duct, and were unanimous in their prediction of the prominence 

 which Galalith, on account of its many forms of application to 

 general uses, is destined to attain. Especially admired were 

 the marbled sheets for table purposes and wall decorations. 

 Also an artistically worked chess set, consisting of red and 

 black figures. Likewise the products of the Solingen industry, 

 consisting of all sorts of cutlery; the pipe industry of Ruhla, 

 Vienna, etc., consisting of excellent imitations of amber; the 

 manufactures of the comb industry, and the last named article 

 was more especially noticed on account of the beautiful color 

 effect which can be imparted to it; it is not inflammable, like 

 celluloid. — Gummi Zfitun. . 



The Harburg-Vienna company are understood to have made 

 a large investment in facilities (or manufacturing the new ma- 

 terial. Their latest yearly business report, issued to the 

 shareholders, states: " After having partly installed the neces- 

 sary machinery for the production of Galalith, we have recent- 

 ly entered upon its regular manufacture. We manufacture 

 Galalith as a raw material and also partly finished, finding 

 application in tne most varied industrial branches. A positive 

 decision, as to how this new industry will develop, can, at pres- 

 ent, not be given, but we entertain the hope that it will prove 

 a boon to our company." 



pat. :::;t:t;:i902 



INNER SURFACE. 



An importation of Ceylon rubber by the Henry A. Gould 

 Co. (New York), being a new article of merchandise to the 

 customs authorities, was detained for examination. On a re- 

 port by a chemist connected with the service, that the rubber 

 contained traces of sulphur, the rubber was classified as a 

 " partially manufactured " product, and a duty imposed accord- 

 ingly. On a protest being made to the general appraisers, 

 however, this classification was overruled, and the importation 

 admitted free, as crude rubber. 



