1906
THE NEW ZEALAND GAZETTE.
[No. 65

No. 18112.—30th June, 1904.—ANTOINE HENRI IMBERT, of 75, Avenue de la Republique, Grand-Montrouge, Department of the Seine, France, Engineer. Process for extracting from their sulphides, zinc and lead, and generally all metals whose affinity for sulphur is inferior to that of copper.

Claims.—(1.) The process for extracting from its sulphide a metal having less affinity for sulphur than is possessed by copper, consisting in mixing the sulphide of such metal with the amount of copper necessary to combine with the whole of the sulphur, and in heating this mixture to a temperature suitable for the reaction for forming copper-sulphide and completely liberating the metal from the first sulphide, substantially as described. (2.) The process for extracting from its sulphide a metal having less affinity for sulphur than is possessed by copper, consisting in mixing the sulphide of such metal with the amount of copper necessary to combine with the whole of the sulphur; in heating this mixture to a temperature suitable for the reaction for forming copper-sulphide and liberating the other metal; in collecting this metal and the copper-sulphide separately; and in recovering the copper from the sulphide thus obtained in order to use this copper over again, substantially as described. (3.) The process for extracting from its sulphide ore a metal having less affinity for sulphur than is possessed by copper, consisting in mixing the sulphide ore of such metal with the necessary fluxes for scorifying the gangue of such ore and with the requisite amount of copper for combining the whole of the sulphur; in heating this mixture to the temperature suitable for the reaction for forming copper-sulphide and liberating the other metal; in removing the scoriae and collecting the said metal and the copper-sulphide separately; and in recovering the copper from the sulphide thus obtained in order to use the copper over again, substantially as described. (4.) The process for extracting from a sulphide ore the contained metals having less affinity for sulphur than is possessed by copper, consisting in mixing the ore with the fluxes necessary for scorifying the gangue, and with the amount of copper requisite for combining the whole of the sulphur; in heating this mixture progressively to the temperature suitable for the reaction forming copper-sulphide and liberating the other metals; in collecting these volatilised or molten metals; in separating the scoriae and the copper-sulphide; and in recovering the copper from the sulphide thus obtained in order that the copper may be used over again, substantially as described. (5.) The process for extracting zinc from blende, consisting in mixing the blende with the necessary fluxes and copper; in progressively heating the mixture to the vapourisation-temperature of zinc; in condensing the vapourised zinc; in separating the resulting copper-sulphide and the scoriae; and in recovering the copper from the sulphide in order that it may be used over again, substantially as described. (6.) The process for extracting lead from galena, consisting in mixing the galena with the necessary fluxes and copper; in heating this mixture to about 800°; in drawing off the metallic lead thus obtained; in separating the resulting copper-sulphide and scoriae; and in recovering the copper from the sulphide in order that it may be used over again, substantially as described. (7.) The process of extracting zinc and lead from a complex ore containing blende and galena, consisting in adding to the ore the necessary copper and fluxes; in heating the mixture to the vapourisation-temperature of zinc, but maintaining the lead at a temperature below the vapourising-point of this latter metal; in condensing the vapourised zinc and drawing off the molten lead; in separating the resulting scoriae and copper-sulphide; and in recovering the copper from the sulphide in order that it may be used over again, substantially as described.
Specification, 8s.)

No. 18114.—4th July, 1904.—MARTIN WILLIAM HAENKE, of Greenham Chambers, Nicholas Street, Ipswich, Queensland, Australia, Architect. An apparatus for lighting and extinguishing gaslights controlled by the gas-pressure.

Claims.—(1.) In an apparatus for lighting and extinguishing gaslights controlled by the gas-pressure, a metal casing consisting of an upper and lower chamber in each of which are internal walls providing a seal for confining the gas, in combination with a supply-pipe secured to the outside and a discharge-pipe screwed into the top of the upper chamber, as described and illustrated by drawings. (2.) In an apparatus for lighting and extinguishing gaslights controlled by the gas-pressure, a bell-shaped vessel enclosed within the lower chamber in combination with a vertical spindle fitted with a collar adapted to engage with the foot-piece of a suspended spindle affixed to a bell having a cup-shaped head enclosed within the upper chamber; and a vertical spindle provided with a spring and pivoted arm adapted to engage with a ratchet-disc fixed upon a revolving spindle supported by set-screw centres to the metal casing, as described and illustrated by drawings. (3.) The general arrangement and combination of parts as described and illustrated by drawings as and for the purpose set forth.
(Specification, 4s. 3d.; drawing, 1s.)

No. 18115.—4th July, 1904.—JAMES PETRIE, of Timaru, New Zealand, Carpenter. Improved means for locking window-sashes.

Claims.—(1.) A lock for window-sashes, consisting of a metal plate formed with a hole near its bottom end, a recess formed in the face of the pulley-stile over which the plate is secured, a spring tongue fitting within the recess and the top end of which is secured against the back face of the metal plate, and a tooth projection upon the face of the tongue passing out through the hole in the plate, in combination with holes formed at intervals in the adjacent face of the sash-frame, into which the tooth is adapted to enter, and means whereby the tooth may be forced back from engagement with the sash, substantially as specified. (2.) A lock for window-sashes, consisting of a metal plate formed with a hole near its bottom end, a recess formed in the face of the pully-stile, over which the plate is secured, a spring tongue fitting within the recess and secured at its top end against the back face of the metal plate, a tooth projection upon the face of the tongue passing out through the hole in the plate, a rod passing through the window-frame and extending across the recess in the stile, a tappet or pin upon the rod engaging with the outer face of the spring tongue and means whereby the rod may be turned, in combination with holes formed at intervals throughout the face of the sash-frame adjacent to the stile and into which the tooth is adapted to enter, substantially as specified. (3.) The general arrangement, construction, and combination of parts in my approved means for locking window-sashes, as described and explained, as illustrated in the drawings, and for the several purposes set forth.
(Specification, 3s. 9d.; drawing, 1s.)

No. 18116.—5th July, 1904.—WILLIAM GRAY, of Whakapara, Auckland, New Zealand, Butcher. Improvements in adjustable handle-bars of cycles.

Claims.—(1.) For the purpose indicated, a handle-bar comprising two members pivoted to the stem of the handle-bar, grooves formed in the pivoted ends of the members, a conical bearing upon which the members are pivoted, a conical washer having a slot, and a spring catch having a rib for engaging the grooves and slot, as set forth. (2.) In adjustable handle-bars of cycles, a catch, a longitudinal rib and a tongue upon the catch, and a spring to which the catch is pivoted, as set forth. (3.) The combination and arrangement of parts comprising the improvements in handle-bars constructed, arranged, and operating substantially as set forth, and illustrated on the drawing.
(Specification, 1s. 9d.; drawing, 1s.)

No. 18117.—5th July, 1904.—WILLIAM DANKS, of Samuel Danks and Son, 10, Brandon Street, Wellington, New Zealand, Brassfounder. Improved cement for jointing sanitary pipes.

Claim.—For the purpose indicated a composition of bitumen and sea-sand mixed together in the manner and in the proportion approximately as set forth.
(Specification, 1s.)

No. 18120.—2nd July, 1904.—VALENTINE PERNISKIE, of Christchurch, New Zealand, Civil Servant. An improved nib-ejecting device.

Claims.—For the purpose indicated, in combination, a penholder that is provided with a medial slit or slot, a cylinder or collar adapted to slide thereon, and a tongue upon the collar depending therefrom, that comes under the rear end of a nib in the holder and thus forces it out of its place when the collar is moved forward along the pen, as specified. (2.) In a penholder, in combination, a penholder that is provided with a medial slit or slot, a cylinder or collar adapted to slide thereon, and a tongue-piece formed upon the cylinder and depending therefrom, that is bent backwards and then reversely upon itself so as to come under the rear end of a nib in the holder, as specified and for the special purpose set forth. (3.) In a penholder, in combination, a penholder that is provided with a medial slit or slot, a cylinder or collar adapted to slide thereon, and a tongue-piece, formed from the cylinder-body a short