Compositions for coating onto polymeric surfaces such as photographic film supports to reduce static include alkali metal salts of alkylphosphoric acid esters, arylphosphoric acid esters or aralkylphosphoric acid esters. The alkyl chains of the phosphoric acid esters contain from about eight to 22 carbon atoms and the alkali metal has an atomic weight of at least 23, the preferred alkali metals being potassium, rubidium and cesium. The salts are applied to the polymeric surfaces from aqueous or ...

Improvements to grenades to be launched by a bullet, of the type comprising at least one capturing part which is distorted by the stress of the driving bullet when the grenade is launched, characterized by the fact that aforesaid capturing part is conditioned so as to be stressed radially when the bullet passes through, without axial displacement in the direction of the movement of the bullet.

A timepiece provided with a guide bush comprises, in combination, a second arbor provided with a fourth wheel, a cannon pinion, and an hour wheel rotatably mounted in the guide bush. The guide bush is fixedly mounted to an hour wheel guard plate so that the arbor, pinion and wheels are rotatably mounted in the guide bush and to a dial plate via the guide bush.

A pipe of rubber or analogous material provided with a coupling flange which is constituted by one or several metallic rings secured to the pipe reinforcement, in which the ring is constituted by at least a series of concentric windings of a metallic element wound along spirals superposed one upon the other and firmly joined to one another; the method in accordance with the present invention consists of winding the metallic element in consecutive turns along spirals one upon the other, firmly co...

A wheel chair is provided having a seat, a frame with an upper part, a front wheel assembly and a rear wheel assembly connected to said upper part, the rear wheel assembly being displaceable from its normal position to one extending from the rear end of the underside of the frame upper part, so that the underside of the frame is free from extending parts and is movable onto an elevated supporting base, while at the same time being supported at ground level by the frontwheel assembly.

A clinical thermometer is provided wherein the constriction of the conventional thermometer is eliminated and the thermometer capillary is coated with an adhesive to retain the maximum reading.

A calendar consisting of separately attachable seals which are applied to a base sheet. The dates of the month are printed on the base sheet alone, or on both the base sheet and the seals. Each seal can then be peeled off the base sheet to mark the passage of each succeeding day.

A roller bearing provided with flanges and having an inner ring, an outer ring and roller elements therebetween, sealed to prevent penetration of foreign matter, and constructed so that at least one of the rings is integral with two flanges extending on either side of the ring.

The carrier bag is of the type having two wide sides and a folded bottom and it is manufactured from a tubular synthetic resin web. At the open end the bag is provided with reinforcing folds or reinforcing strips extending transversely of the bag. Grip openings are punched out in the centre of the opening edge. The reinforcing folds or strips are welded to the wide sides of the bag by means of weld seams extending obliquely towards the opening edge, one on either side of the grip opening, and ac...

A cash box provided with a till comprises a cash box, a till which can be slidably taken in and out of said cash box and is provided with an engage body on its rear end portion, a base plate fitted within said cash box, an electromagnetic means provided on said base plate, a frame plate on which, one end portion is provided with a projection and on which another end portion is connected with a movable rod of said electromagnetic means and rotatably supported by a shaft on said base plate, and a ...