India rubber world . produced. Described briefly, it is the usualsolid tire mold made with an upper and lower platen, exceptthat these platens are much thicker, and arechambered to admit steam for the curing. Theupper platen has what are substantially squarechambers separated by baffle plates, in the alter-nate ends of which are openings causing thesteam to zig-zag in its course through the platenthus heating every part. In the lower platenthe steam chamber consists ol longitudinalsteam pipes separated by narrow septums which causes thesteam to circulate back and forth for even heating. Both u
India rubber world . produced. Described briefly, it is the usualsolid tire mold made with an upper and lower platen, exceptthat these platens are much thicker, and arechambered to admit steam for the curing. Theupper platen has what are substantially squarechambers separated by baffle plates, in the alter-nate ends of which are openings causing thesteam to zig-zag in its course through the platenthus heating every part. In the lower platenthe steam chamber consists ol longitudinalsteam pipes separated by narrow septums which causes thesteam to circulate back and forth for even heating. Both up- --—--——~ .. 1 v r ___±__ FIG. 2. per and lower platens are fitted with steam entrances and dripsand are also equipped with a patent clamping device by whichthe whole mold is fastened at one motion in one minute. Thismold-vulcanizer is already in use in a number of rubber fac-tories and is giving excellent satisfaction. United States pat-ent No. 717,480. [The Wil-liams Foundry and Ma-chine Akron, Ohio.].
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Keywords: ., bo, bookcentury1800, bookdecade1890, bookidindiarubberworld28phil
