Show j MINING AND metallurgical PATENTS 4 S the following mining and metallurgical patents have been issued by the united states patent onice office no 0 william walto Ven venable tible of charleston west virginia in a dam biam the ane combination of 1 a I series of shutters hinged at the bottom and provided with supporting props movable shoes in engagement 1 with the lower ends of the props slide ways for the shoes operating rods secured to the shoes and provided with means for retaining the rod casings connecting it devices attached to the rods a submarine tunnel transversely located up stream from the shutters in com the rod casings and movable power transmitting mechanism located in the tunnel i metallurgical furnace no william lanyon and josiah lanyon of pittsburg kansas the combination with a block of furnaces and a collar arranged longitudinally tu dinally beneath and wider than the block of furnaces said cellar having 11 an arched roof of a plura plurality liV of branch conduits extending through and opening outside hips of the arched roof a plurality of retorts in the block of furnaces and arranged to discharge onto the hips of the arched roof a main conduit connected to the branch conduits a screening devise and means for moving ma ina aerial through the conduits and discharging it onto the screening device process of ncr posits of metals on aluminum no eduard mies of budesheim germany the process of depositing metals on aluminum which consists in boiling the aluminum in a solution of a mixture of phosphate of a metal a free acid and a compound capable of attacking aluminum in the presence of said acid then washing wa shins the aluminum and effect 1170 1 jo I 1 L NO ing the deposition in a solution of the salt of the metal to be deposited process of producing abe flopper 0 o per alloys no gustav palis of elberfield artic id germany the process for producing copper alloys free from gas and other undesirable substances consisting in the following steps first melting copper iron and macanese mag anese together secondly adding de oxidizing material 0 0 0 I 1 i tt 1 0 0 11 0 01 X az 0 P C 1 1 ff T 11 A e X N NO 0 thereto thirdly adding 1 zinc after the deax material has been absorbed and continuing the mel melting deltino tino until the zinc is 0 11 iced and finally agitating the molten mixture until the gasses and have been el given off electric metalworking metal working apparatus pa ratus no george D burton of boston I 1 mas an electric in e t a I 1 working apparatus the combination of an anvil a bed electrode supported on said anvil and connected with one electric pole a swinging arm carrying carrein ff an el e c t ro r 0 d e connected to theother the other electric pole a rigid arm supported above aboa 33 s said a i d swinging arm a spring connecting said gaid r rigid iid i id arm with said swinging a arm and imparting an elastic sup support port thereto and a foot lever connected with said swinging arm for swinging it into operative position william F hunt of now new york N Y as signor signer to tile the C W hunt company of same place no in a conveyer having buckets and connections for uniting the buckets in endless series the combination with the buckets of lips pivots for some of the lips approximately in in line with the inner edges of said lips for connecting said tid lips near the edges of the buckets and means for controlling the movements of said lips on their pivots and returning them to it a normal position I 1 process of extracting zinc from substance containing same salue no thomas ryan jr of flint and newton hughes of bagille bagillt E england nc rland assignors assigners Assign ors to the united alkali company limited of liverpool ool england la n d the process of extracting zinc from substances containing the sanle same consisting t in subjecting r the raw material to the action of a solution of it a caustic alkali precipitating 11 any lead present by galvanic action securing ing the removal of organic matters and iron manganese and silicon by the addition of caustic lime and L bleaching 11 powder and finally precipitating the dissolved zinc in the form of zinc oaid or zinc hydroxide by de 1 ing the solution by the addition of an acid centrifugal concentrator no philip H shue ouray colo in a centrifugal 11 al ore separator the combination with a vertical casin casing having inclined walls of a spi spindle adle supporting the casing means within the casing for causing the liquid to gyrate upon the rotation of th the e casing 0 means for rotating 11 the casing 11 a feed into the casing discharging tubes extending through ali the bottom of the t h e casing and having relatively narrow elongated openings t in their sides the said tubes being arranged at the sides of the casing and extending upward automatic feed mechanism for metalworking machines I 1 no fredrick marggraff of waterbury connecticut as 10 aa dl 11 i a IV za za Z 9 at nr a 7 22 af 0 IF J 12 I 1 A 1 Z NO signor of one half to albert D field of same C place in a feed device tile the combination of it a feed carriage means carried by said carriage for feeding the material in one direction means for automatically and intermittently operating said feeding means a pitman rod connected to the carriage to intermittently reciprocate the same in in opposite directions and in a direction at an angle to the line of feed of the first mentioned feeding means and means for adjusting the throw of said rod process of extracting 11 metals from their ores no caleb G collins coll ins of woodburg new york assignor to calvin amory stevens of new york N Y the process herein set forth of extracting metals from the their r ores consisting in dissolve dissolving ing i out or extracting metal from the powdered ore by means of a solution of ammonium salt in the presence of an alkaline base capable of decomposing the ammonium salt method of castino casting aluminium alloys no william A mcadams of new york N NY Y the method of casting alloys containing aluminium and magnesium and in in which the aluminium predominates consisting in rapidly removing 0 the heat from the molten mass at a rate corresponding to not less than one fifth of a calory per second from a solid spherical casti casting nr one and one half inches in diameter viz more rapidly than has hitherto been common in the ordinary use of molds thereby preventing the segre segregation 11 11 cration of the medals and the formation of large crystals apparatus for casting ingots ingols in continuous long lengths no johan otto emanuel trotz of worcester mass blass in an apparatus for casting ingots ingols or bars in continuous long lona 11 lengths f from born molten metal the central mold comprising a thin metal tube whose interior is worked and polished to a straight and uniformly smooth surface and havin having means for conducting the molten metal thereto said tube being secured at its upper end in combination with the outer case or jacket a larger diameter than ilie the central tube arran arranged cred over said tube to form an annular chamber surrounding the tube the hollow heads arranged at each end of said central tube and its jacket and of larger diameter than said jacket to form annular chambers around the ends thereof the inside of the outer ends of said hollow heads being arranged to come a short distance from the ends of the central tube to form an annular annul a r opening between the two and suitable inlet and d discharge debarge pipes connected with said hollow heads |