Oct. 20.] THE NEW ZEALAND GAZETTE. 3781

No. 27119.—6th January, 1910.—JOHN EDWARD METZEN-THIN, of Pirie Street East, Palmerston North, New Zealand, Mechanical Engineer. An improved adjustable automatic tappet-valve pulsator for milking-machines and the like.*

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Claims.—(1.) A pulsator for milking-machines comprising spring-operated air and vacuum tappet valves mounted in the same straight line, means for operating the valves alternately whereby teat-cups in communication with the valves are alternately subjected to atmospheric pressure and a vacuum, substantially as set forth.

[NOTE.—Here follow four other claims.]

(Specification, 4s.)

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No. 27143.—12th January, 1910.—HERBERT JAMES GORDON ADAMSON, of Fitzroy Avenue, Hastings, New Zealand, Carpenter and Builder. Improvements in lids of pots and the like.*

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Claims.—(1.) An automatic escape-valve device for a vessel-cover, comprising in combination a dome, flanged or the like at its base for attachment to the cover, a valve-seat at the dome upper rim, a valve upon said seat and extending outwardly therefrom, an apertured guide-plate within the dome, and a stem extending down from the valve through the guide-plate and having an enlarged lower end as described.

[NOTE.—Here follow five other claims.]

(Specification, 6s. 3d.)

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No. 27200.—24th January, 1910.—JOHN BLAIR-MASON, Harbour Board Engineer, and JOHN LOUDON, Merchant, &c., and GEORGE ALLEN LEE, Engineer, all of Dunedin, New Zealand. Improvements in sliding-doors.*

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Claims.—(1.) In buildings having sliding-doors, in combination vertical grooved door-frames, bent at their upper ends towards the centre of the building (to avoid upper floor or roof), with metal doors capable of sliding in and bending to the said grooves, and of remaining where placed by being furnished with balance-weights and pulleys, all substantially as shown on the drawing, and as described and as explained.

[NOTE.—Here follow three other claims.]

(Specification, 4s.)

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No. 27243.—3rd February, 1910.—THOMAS STEVENSON, of Gore, New Zealand, Engineer, and THOMAS FALCONER, of Gore aforesaid, Farmer. Improved means for use in sharpening chaff-cutter knives.*

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Extract from Specification.—The invention consists in a frame that is constructed to sit upon the knife’s edge and to move to and fro along it. This frame carries an emery-wheel, to which rotation is imparted by means of flexible shafting or the like, and whose position in relation to the knife-edge may be regulated at will.

[NOTE.—The above extract from the specification is inserted in place of the claims.]

(Specification, 3s. 9d.)

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No. 27261.—8th February, 1910.—EDWARD HAMPTON BROWNE, of Clevedon, New Zealand, Farmer. An improved wire-strainer.*

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Claim.—A device consisting in a circular plate, integral with which at its centre and rectangular to its flat surface is a cylindrical projection; the internal construction of the cylindrical projection is square throughout its length, the square cavity penetrating through the centre of the circular plate; the cylindrical projection is cleft for half its length, the outer edges of the cleft, however, may be either rounded, bevelled, or countersunk; near the margin of the circular plate, equidistant apart and equidistant from its centre, are located an even number of round holes which penetrate through the circular plate, substantially as set forth, and as illustrated in the drawing.

(Specification, 2s.

No. 27598.—20th April, 1910.—KARL WESSEL, of St. Paul, Minnesota, United States of America. Flax-machine.

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Extract from Specification.—The improved machine involves a multiplicity of pairs of co-operating corrugated crushing-rollers, interposed toothed hackle-rollers, toothed picking-drum, and co-operating parts arranged to successively reduce to finer form the shive or brittle woody portions and to remove the same from the fibre, and throughout the process of treatment to comb and straighten out the fibre.

[NOTE.—The above extract from the specification is inserted in place of the claims.]

(Specification, 9s.)

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No. 27931.—20th June, 1910.—WILLIAM JOHN PHILIPS, of 317 Collins Street, Melbourne, Victoria, Australia, Manufacturer. An improved hand aerated-water-bottling machine and syrup-pump combined.*

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Claims.—(1.) In an aerated-water-bottling machine, a vertical-pump cylinder as p provided with a piston as q, an opening as p4, a port as p3, two lift-valves as t and v, said lift-valves being normally held closed by means of helical springs as t1 and v1 situated in valve-chambers w and t2, substantially as and for the purposes specified, and as illustrated in the drawings. (2.) In an aerated-water-bottling machine, a syrup-gauge comprising a washer f clamped to the pump-rod r, said washer being adapted to bear against the crosshead p10, substantially as and for the purposes specified, and as illustrated in the drawings.

[NOTE.—Here follow five other claims.]

(Specification, 6s. 9d.)

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No. 28078.—15th July, 1910.—THE TURBON PATENT FAN COMPANY, LIMITED, of Llanmore Works, Llanelly, Carmarthenshire, Wales, Manufacturers (assignees of Bernhard Bomborn, of 2 Gitschinerstrasse, Berlin, Germany, Engineer). Improvements in centrifugal blowers or pumps.

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Extract from Specification.—According to this invention the rings are made from straight or slightly bent strips of metal, which during the stamping operation for the formation of the corrugations or protuberances are expanded or stretched more on one edge than the other, or contracted on one edge, so that the strips gradually assume a circular shape, whilst at the same time the height of the corrugations on both edges of the ring is maintained uniform.

[NOTE.—The above extract from the specification is inserted in place of the claims.]

(Specification, 6s. 9d.)

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No. 28106.—19th July, 1910.—UNITED SHOE MACHINERY COMPANY, of Paterson in the State of New Jersey, United States of America, a corporation duly organized under the laws of said State of New Jersey, carrying on business as Shoe-machinery Manufacturers, and having a place of business at 205 Lincoln Street, Boston, in the Commonwealth of Massachusetts, in said United States of America (assignees of Andrew Eppler, of Lynn, in the County of Essex and said Commonwealth of Massachusetts Inventor, and Fred Ashworth, of 66 East Dane Street, Beverly, Massachusetts aforesaid, Draughtsman). Improvements in or relating to thread-waxing devices for wax-thread sewing-machines.

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Claims.—(1.) A thread-waxing device having, in combination, a wax-receptacle, means for guiding the thread through the wax in the receptacle, and means for heating the wax in proximity to the thread while maintaining the exterior walls of the receptacle relatively cool, comprising a heating-member extending into the receptacle in proximity to and parallel with the thread. (2.) A thread-waxing device having, in combination, a wax-receptacle, means for heating the wax in proximity to the thread while maintaining the walls of the receptacle relatively cool, comprising a heating-member extending into the wax in the receptacle and surrounded thereby, and means for guiding the thread through the wax in close proximity to the surface of said heating-member and parallel thereto.

[NOTE.—Here follow twenty-two other claims.]

(Specification, 19s.)