Patents of Interest to Builders.

Progress, Volume XV, Issue 7, 1 March 1920, Page 750

Patents of Interest to Builders.

Walls, Partitions, and Ceilings Lathing.—A patent, No. 41,771, has been taken out by W. H. Allen, Moray Place, Dunedin. According to the invention, the lathing is made of a mixture of plaster-of-paris and fibre, work ed or moulded while in a plastic state into sheets, corrugated 'on both sides, with flat surfaces between the grooves. The surfaces of the lathing are rough and fibrous, and openings are made through the lathing to provide, a firm key for the surface plaster when applied

to -one or both sides of same, said openings when coats ward at its lower end so that it may be reached and worked from the floor. The upper end of this rod is pivotally attached to the upper end of a lever whose

f # / lower end is articulated to the fanlight-frame and so disposed that a downward pull on the rod will open the fanlight, while an upward push thereon will close the fanlight by turning the lever in. By means of the invention, it is stated, the fanlight will be jammed tight and locked on the closing movement of the oneratingrod, and will be unlocked and started on the opening movement of such rod. Building Construction.A patent, No. 40,562, has

been taken out by E. Anscombe, Princes Street. Dunedin. This invention is carried into effect by making the

blocks with vertical stiffness of a thickness greater than the half width of the air-space between the outer and inners shells, but less than the total width thereof, and locating the stiffeners at a distance from one end of the block less than one-half of the total length of the block. In laying the blocks the stiffeners are arranged alternately to right and left on the outer and inner walls, so that the stiffeners do not fall opposite each other and the bond of the blocks is maintained. ■ Where, required the oute*r and inner, shells are tied together by wall-ties along which water will not travel.

Sliding Sash Window Lock.—A patent, No. 40,960, has been taken out by C. A. Ripper, Herbert Street, Rockdale, near Sydney, which comprises a counterbalancing spring drum, whose outer periphery carries a

toothed gear-rim with a lock or stop thereon which normally prevents its revolution, and which lock or stop has a controller or device for releasing it and an engaging face or rack on which such gear meshes and causes said rack to travel.

Concrete Post.— patent, No. 42,775, has been taken out by M. S. G. Monk, of Makara, Wellington. According to the invention, the post is formed of concrete, and is preferably reinforced. For 'each fencing wire to be secured to the post a pair of horizontal holes is provided through the latter, the holes of a pair being arranged either directly one above the other or in an inclined line. To secure the fencing wires to the post, fasteners consisting of short pieces of wire, preferably of a lighter gauge than the fencing, wires, are doubled into a U formation, and inserted in the holes so that the ends of the legs of the U pieces project from one side

of the post. The legs of' the fasteners are preferably inserted one through each hole of a pair, but in some cases both legs are passed through the same hole, and when this is done a piece of wire is inserted vertically in the loops of the fasteners to prevent them being pulled through the post. The fencing wires are then placed between the projecting ends of the legs of the fasteners, and. the latter twisted together outside or in front "of the wires, and in some cases inside.or behind as well as in front of or outside the wires. Fasteners as above described are also employed for securing. a foot to the post, : for attaching a strut thereto, and for connecting the ends of and securing rails in position." / .