1428
THE NEW ZEALAND GAZETTE.
[No. 41

mounted blocking-tool. . . . In accordance with another feature of this invention means is provided for rendering the blocking-tool inoperative without affecting the operation of other mechanisms of the machine. . . . In accordance with one embodiment shown of this feature of the invention, means is provided by which the blocking-tool may be moved to an inoperative position and locked in that position by a single operation. . . . A further feature of the invention consists in an improved construction and arrangement of means for smoothing the side of the shoe to obliterate any marks or wrinkles which remain in the upper near the edge of the shoe after the action of the blocking-tool, or which may exist when the blocking-tool is not used. . . . Another feature of the invention consists in means for treating the edge of the shoe, or that portion of the upper at the junction of the side and bottom faces of the shoe. . . . Another feature of the invention of great importance, which will preferably be used with the features already mentioned, but which is capable of independent use and of use in many other machines, consists in providing means for “ironing,” or smoothing with a heated instrument, the side of the shoe.

[NOTE.—The above extracts from the specification are inserted in place of the claims.]

(Specification, £1 ; drawing, 3s.)

No. 21371.—28th June, 1906.—RUSSELL RAYSON, of 8 Raleigh Street, Windsor, Victoria, Australia, Engineer. An improved method and apparatus for cooling air for refrigerating purposes.*

Claims.—(1.) An improved method of cooling air for refrigerating purposes, consisting in first withdrawing the comparatively warm air from the storage-room and discharging same, thereby creating a partial vacuum, then placing the storage-room in communication with the circulating system, and drawing the air through the upper part of said storage-room, passing same over cooling or refrigerating agents, and reintroducing said air into the lower part of said room. (2.) An improved method of cooling air for refrigerating purposes, consisting in partially exhausting the air in the storage-room, then placing said room in communication with the circulating system, and drawing air from the upper part of said room, spraying same with water, passing it over a refrigerating agent, and finally delivering it into the lower part of the storage-room again. (3.) An improved method of cooling air for refrigerating purposes, consisting in partially exhausting the air in the storage-room, then placing said room in communication with the circulating system, and drawing air from the upper part of said room, spraying same with water, passing it over a refrigerating agent, impregnating same with lime-fumes, and finally delivering it into the lower part of the storage-room again. (4.) An improved apparatus for cooling air for refrigerating purposes, comprising a storage-room having a conical, pyramidal, or dome-shaped roof with an outlet at the highest point, means for withdrawing air through same, means for alternatively discharging said air or circulating same, a water-spray chamber and refrigerating-box into which said air may be passed, and means for reintroducing same at the lower part of the storage-room. (5.) An improved apparatus for cooling air for refrigerating purposes, comprising a storage-room having a conical, pyramidal, or dome-shaped roof, a fan at the top of said room, a two-way valve in the outlet-conduit of said fan, a spray-chamber in communication with said outlet-pipe, means in said spray-chamber for spraying the air with water, passages for conveying the air to the top of a refrigerating-box, and means for permitting the passage of the air to the lower part of the storage-room, substantially as described. (6.) An improved apparatus for cooling air for refrigerating purposes, comprising a storage-room having a conical, pyramidal, or dome-shaped roof with an outlet in the apex thereof, a fan for drawing the air from the outlet, a conduit leading to a spray-chamber containing a number of depending open-ended tubes the upper ends of which extend into an air-passage, water-spraying nozzles in the latter above the upper ends of said tubes, means of communication between said passage and the upper end of a refrigerating-box and from the bottom of said box, and an inlet in the lower part of the storage-room, substantially as described. (7.) An improved apparatus for cooling air for refrigerating purposes, comprising a storage-room, a spray-chamber, and a refrigerating-box, said storage-room having a conical, pyramidal, or dome-shaped roof, an outlet in the apex thereof, an exhaust-fan connecting said outlet with the spray-chamber, a two-way valve in the outlet-conduit of said fan, an air-passage above said spray-chamber, a number of depending tubes in the latter, open at the upper end in said air-passage, and at the bottom end in said chamber provided with a bent overflow-pipe leading into the refrigerating-box, means for delivering the air into the upper end of the refrigerating-box, a tank in the bottom of the latter containing lime and water,

an opening at the lower end of said box in communication with a passage leading to an inlet in the lower part of the storage-room, means to close said inlet, and a vent-tube in said storage-room provided with a valve and with an air-filler, substantially as described. (8.) In an apparatus for cooling air for refrigerating purposes, a spray-chamber containing a number of depending open-ended tubes extending at their upper ends through the ceiling of said chamber, water-sprays or nozzles above the upper ends of said tubes connected to a common water-supply pipe, a tank in the bottom of said chamber having a bent overflow-pipe discharging into a tank containing ice-drippings in the bottom of the refrigerating-box, and means for pumping the water from the ice-water tank into the said water-supply, substantially as described.

(Specification, 8s. ; drawing, 2s.)

No. 21750.—4th September, 1906.—JOHN CHRISTIE, of Warepa, New Zealand, Farmer. Street or tram-rail sweeper.*

Claims.—(1.) In street-cleaning machines, in combination, a revolving brush capable of brushing lighter or heavier by the action of a movable weight, as well as of being raised and lowered as needed, with an elevator lifting the swept dust and tipping it into a box for containing same, the whole to be followed by a sprinkling-apparatus for laying dust and damping the surface that has just been swept, all substantially as shown and as described and as explained. (2.) In combination with a tram-groove watering-machine or watering-car, a revolving brush capable of sweeping lighter or heavier as desired, as well as of being lifted up altogether, the swept surface being watered by the car immediately on its being swept, all substantially as described and explained, and as illustrated in the drawing. (3.) In combination, for street or rail cleaning, a revolving brush capable of being made to sweep lighter or heavier as needed, with a sprinkling or watering apparatus to dampen the surface, all substantially as set forth.

(Specification, 4s. ; drawing, 1s.)

No. 22109.—26th November, 1906.—NEILS JULIUS HANSEN, of Motu, Gisborne, New Zealand, Blacksmith. Improvements in axes.

Claim.—An axe-head having its top and bottom edges sharpened and corners rounded to a large radius, substantially as and for the purposes set forth and illustrated.

(Specification, 1s. 6d. ; drawing, 1s.)

No. 22183.—12th December, 1906.—CHARLES HARPER, of Guildford, Western Australia, Gentleman. Process and method for the economic disposal of effluent from septic tanks for soil-fertilisation.

Claims.—(1.) The subsoil process for conveying or feeding the fertilising elements contained in the effluent from septic tanks to the roots of plants for their immediate nutriment, substantially as set forth and explained. (2.) In a process as above described and claimed, in the employment of a covered sump or distribution-chamber in communication with the septic tank, and from which chamber a line or lines of pipes is or are led in a subsoil position for conveying the effluent either by first pumping to a higher level and thence gravitating, or by direct gravitation to the immediate vicinity of roots, substantially as described and explained. (3.) The use of an antiseptic chamber for purposes of disease-prevention, which is interposed between the septic tank and sump, substantially as set forth and explained. (4.) In combination with a septic tank, the peculiar constructional arrangement of an antiseptic disinfectant chamber communicating with a covered sump, from which latter pipes are led for the enrichment of plant-roots so as to effect the process as above claimed, and all substantially as and for the purposes set forth and explained.

(Specification, 2s. 3d.)

No. 22213.—23rd April, 1906.—ANTOINE HENRI IMBERT, of 75 Avenue de la Republique, Grand-Montrouge, Department of the Seine, France, Engineer. Improved process of treating zinc and lead sulphide ores.

[NOTE.—This is an application under section 106 of the Act, the date given being the official date of the application in France.]

Claims.—(1.) The improvement in the treatment of zinc and lead sulphide ores by the precipitation method, consisting in “dissolving” the ore in a suitable bath before bringing it into contact with the reagent, substantially as described