298
THE NEW ZEALAND GAZETTE.
[No. 7

No. 21923.—17th October, 1906.—JOSEPH TAYLOR, of Egmont Road, Inglewood, Taranaki, New Zealand, Inventor. An improvement in harrows.

Claim.—In combination with a harrow, a cross-bar secured to the rear end of the pole of the harrow, diagonal bars staying the cross-bar to the pole, stalks having sockets adapted to fit upon the cross-bar, screws securing the sockets upon the cross-bar and carrying wheels upon the lower end of the stalks, substantially as set forth.

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

No. 21946.—19th October, 1906.—LUDWIG RISSMULLER, of Hotel St. George, 51 Clark Street, Brooklyn, Kings, New York, United States of America, Manufacturer. Apparatus for drying, grinding, and screening.

Claims.—(1.) In an apparatus for drying, grinding, and screening, an inclined rotary drum having a central support or shaft, a block hung loosely on said shaft, a support pivoted to said block to swing lengthwise of the shaft, and a crushing-roller carried by said support and arranged to work against the inner surface of the drum. (2.) In an apparatus of the character specified under head 1, the construction of the roller-support as a U-shaped member, between the arms of which the roller may move toward and from the inner surface of the drum. (3.) In an apparatus of the character specified under head 1, the construction of the crushing-member as a double roller, one arranged on each side of the support. (4.) In an apparatus for drying, grinding, and screening, an inclined rotary drum, a stationary hopper at the inlet end of the drum, and a reciprocating shelf or feeder in said hopper. (5.) In an apparatus of the character specified under head 4, a connection between the rotary drum and the feeder so that the rotation of the drum will cause the feeder to reciprocate. (6.) In an apparatus for drying, grinding, and screening, an inclined rotary drum, and a blower for forcing a heated gaseous medium into one end of the drum and lengthwise thereof. (7.) An apparatus for drying, grinding, and screening, comprising an inclined rotary drum, a hopper at the upper end of the drum, a movable feeder in said hopper, mechanism for operating the feeder by the rotation of the drum, a device for causing a heated gaseous medium to enter the drum at its upper end and to pass therethrough lengthwise, spiral ribs arranged on the inside of the drum both in advance and in the rear of a crushing-compartment, a crushing-roller located in said compartment and capable of swinging both lengthwise and transversely of the drum and also capable of moving toward and from the inner surface of the drum, and a screening-compartment into which the crushed material is adapted to pass.

(Specification, 7s. 9d.; drawing, 2s.)

No. 21969.—25th October, 1906.—JOHN BARTHOLOMEW LEYDON, of Bright Street, Gisborne, New Zealand, Carriage-builder. Improvements in seats for vehicles.

Claim.—Improvements in seats of vehicles comprising, in combination with a fixed seat having a fixed lazy back and arms, a seat hinged to the back of the fixed seat, brackets upon the ends of the fixed seat, rods hinged at one end to the brackets and having knobs at their other ends, bosses pivoted to the ends of the hinged seat and passing upon the rods and extensions to the arms of the fixed seat adapted to engage the bosses when the hinged seat is in its closed position, substantially as set forth.

(Specification, 2s. 3d.; drawing, 1s.)

No. 22011.—5th November, 1906.—ANDREW HERBERT BYRON, Civil Engineer and Architect, and DAVID JOHN BYRON, Draftsman, both of 46 Lambton Quay, Wellington, New Zealand. An improved method of constructing steel framing for buildings to stand earthquakes and to be fire-proof.

Claim.—The method of constructing walls with a view to resisting the action of fire, consisting in expanding girders with friction rollers, and space to allow of expansion, substantially as described in the specification, and illustrated in the drawings.

(Specification, 2s. 3d.; drawing, 3s.)

No. 22028.—7th November, 1906.—GEORGE FARQUHAR and ROBERT NORTH, both of 12A Shenton Street, London, England, Food-preservers. Improvements in and relating to devices for hermetically sealing metal receptacles for food and the like.

Claims.—(1.) A device for the purpose specified, comprising a chamber mounted upon suitable legs or supports and connected with an air-exhausting device, a movable closure for said chamber operated by means of a piston in a cylinder from which the air can be exhausted, a movable support for the vessel to be sealed carried by said closure, a cylinder containing a piston and a rod for operating said support, a soldering-iron within but heated from the exterior of the exhausting-vessel, and a valve for governing the vacuum in the chamber and cylinders. (2.) In a device of the kind specified, the combination with an exhausting-chamber and a soldering-iron of a lever forming a movable support for bringing the end of the vessel to be sealed into contact with the said iron, and a cylinder containing a piston the rod of which acts upon the lever. (3.) In a device of the kind specified, the combination with an air-exhausting chamber and a soldering-iron of a movable support for the vessel to be sealed, comprising a cylinder carried by the movable closure and provided with a piston and rod, the latter carrying at its upper end a support for the said vessel. (4.) In a device of the kind specified, the combination with an exhausting-chamber of a soldering-iron arranged in such chamber and heated by means of a Bunsen or other flame from the exterior thereof. (5.) A device for the purpose specified, constructed, arranged, and operating as described with reference to Figs. 1 and 2 of the drawings. (6.) A device for the purpose specified, constructed, arranged, and operating as described, with reference to Fig. 3 of the drawings.

(Specification, 6s. 6d.; drawing, 2s.)

No. 22088.—21st November, 1906.—ELIZABETH MCFEE, of Regent Road, Dunedin, New Zealand, Housekeeper. Improved combined cabinet and teaching appliances.

Claim. — A desk for the purpose indicated, consisting of upright and horizontal parts, rollers mounted in the upright part, a band of material rolled around the rollers, shelves in the lower part of the desk, a second pair of rollers mounted in the lower part of the desk, a rod uniting the upright to the horizontal part, a writing surface upon one side and a blackboard surface upon the other side of the horizontal part, and catches for retaining the parts in their closed position, substantially as set forth.

(Specification, 2s.; drawing, 1s.)

No. 22119.—27th November, 1906.—CORK ASPHALT, LIMITED, of 85 London Wall, London, E.C., England (assignees of Charles Morland Cunynghame Hughes, of Blomfield House, London Wall, London, England, Colonial Broker; Thomas Henry Quinlan, of 11 Angel Court, London aforesaid, Gentleman; and Harold Mills Clifford, of 25 Victoria Street, Westminster, London aforesaid, Gentleman). Improvements in the manufacture of blocks, plates, and other articles for use in road-making, building, and for similar purposes.

Claims.—(1.) A process for manufacturing blocks, plates, and other articles, consisting in mixing granulated bitumen in the cold state with cork and sawdust or the like, heating the mixture with constant stirring to from 130° C. to 150° C. so as to produce a homogeneous plastic material free from volatile oil, moulding the material, reducing the temperature to 110° to 125° C., compressing it in the moulds whilst hot, and maintaining the pressure until the contents of the mould have cooled. (2.) In the process of making plastic materials consisting of bitumen with cork and sawdust or the like, mixing the materials in the cold state and subsequently heating so as to cause the bitumen to melt in the mixture and to produce cohesion therein. (3.) Blocks, plates, and other articles produced from bitumen mixed with cork and sawdust or the like in a cold state and then heated and moulded.

(Specification, 4s.)