A mixture of two or more calcium phosphate compositions are combined with an aqueous solution and are useful as bone fillers on bone cements such as orthopedic and dental cements and remineralizers. The mixtures self-harden to substantially form hydroxyapatite, the mineral phase of bone and tooth enamel. The at least one or more of precursors is prepared in a manner resulting in its having an extr...

The present invention includes a window jamb assembly mountable in a jamb of a double hung window for cooperative engagement with upper and lower sash assemblies. The window jamb assembly includes a jambliner that has inner and outer sash hardware accepting recesses and first and second weather-strip retaining recesses disposed between the sash hardware accepting recesses. First and second weather...

In the present method of producing composite, hollow fibre gas separati on membranes, external surfaces of the porous hollow fibre tubes used in the construction of the membranes are subjected to a modification technique befo re these external surfaces are coated with a thin layer of selective polymer so as to increase the number of pores in the fibre surface. Also, the present method of treating ...

A satellite (3) is supported on its shaft (1) through a large number of distributed bearings, particularly roller bearings (6) and the arrangement keeps a good force distribution capability due to similar stiffnesses of parts of the shaft (1) and a bushing (7) which forms the inner part of the satellite (3), facing each other along the length of the hole.

A plant is provided for the melting of primary and secondary aluminium, provided with a rotating furnace, internally equipped with a spiral element (11), that causes the melting of the aluminium not requiring use of a salty bath. The plant includes a pouring channel (13) adjacent an exit hole (4) of the rotating furnace and material from the pouring channel enters the spherical store basin (16) po...

An anti-lock-picking or burglar-proof cylinder lock, of the type that comprises a body that is composed of two mutually coaxial cylindrical 5 bushes (6, 7) divided by a gap (4) and provided with respective radial expansions (10, 11) that lie on a radial plane with respect to the bushes (6, 7), respective plugs (8, 9) for actuating a bit (5) that rotates in the gap (4) being accommodated rotatably ...

Apparatus includes a self-service color metering device for introducing dosed colored pigments into a neutral product contained in a container (5). The color metering device (100) includes a plurality of tanks (1) containing the colored pigments, connected to a corresponding number of delivery needles (3), situated in a coloring chamber (4). The container (5) has a cover (50), with a window (15) m...

A cock for pouring beer or beverages is described, comprising a cock body (1), an inlet conduit (2), an outlet conduit (9, 10), a fluid interception system and a control handle (13) of said system wherein the interception system is provided with a cock-cartridge unit (5) that can be replaced without disassembling the whole cock from the system. This embodiment leaves completely free the fluid pass...