Wear parts of machinery have embedded within them optically recognisable elements, exposure of which is an indication of the state of wear. Corresponding wear parts, as well as wearing plates which slide on top of each other each have at least one element for indicating a state of wear. In the non-wearing reverse side of the wearing plates are embedded elements of material of up to the hardren of ...

Polyurethane foam, in particular rigid polyurethane foam characterised by comprising a flame retardant consisting of an ammonium phosphate-based powder of controlled particle size.

A method of bonding fibers to hydrogenated nitrile rubber which comprises: the first step of treating fibers with an activating agent selected from the group consisting of polyisocyanates, epoxy compounds and silane coupling agents; the second step of dipping the fibers into a resorcinol/formalin/latex solution; the third step of treating the fibers with an adhesive composition which comprises (a)...

A fiber reinforced composite structure having a glass transition temperature greater than 150 DEG C is comprised of: a) reinforcing fiber and b) a curable epoxy resin composition comprising (i) one or more epoxides having more than one epoxide group per molecule, of which epoxides at least 10 percent by weight is a 9,9-bis[4-(2,3-epoxypropoxy)phenyl]fluorene, all of the fluorene epoxy pres...

A process for preparing a slip and anti-blocking agent for polyolefin films is described. The process uses a fatty feed-stock comprising mono- and poly-unsaturated fatty acid species of which, calculated on the basis of equivalent fatty acid, more than 50% by weight is a fatty acid with at least 20 carbon atoms. The feed-stock may be a fatty acid as such, a fat or oil, or a fatty acid methyl ester...

A method for preparing tapered block copolymers in a polymerization process by charging an initiator and monomers sequentially with one or more charges of first one of the monomers, then with a mixture of the two monomers, and then with one or more charges of the second monomer alternating with one or more charges of the first monomer to produce a polymodal tapered block copolymer. Suitable monome...

The telephone music on-hold sound unit for installation on telephone switchboards or responders (10) includes a recording medium, e.g. a compact disc, with musical pieces and/or messages recorded on it. A driver is connected on one side to the switchboard or responder, and to a microprocessor (4). The microprocessor selects the pieces and/or messages to play, according to pre-established progra...

This invention enables the outer surface as a whole of a molded resin product to be covered with a coating material with uniform and satisfactory tension. A split mold is provided, which is capable of forming a hollow space between the tapering portions at the circumferential and slidable parts of upper and lower mold members thereof. A molding material is compression molded by using this mold, an...

The present invention relates to organopolysiloxane-containing compositions which are self-dispersing in water, their preparation and their use. The compositions of the present invention are suitable for all uses where organosilicon compounds, especially in water-diluted form, can be employed. Such uses include uses as water repellant agents on building materials.

A process for preparing a solidified material containing a coal ash comprises a first step of mixing the coal ash with a calcium compound to obtain a mixture, a second step of molding the mixture to obtain a molded article, and a third step of subjecting the molded article obtained in the second step to a hydrothermal treatment at a temperature of 120 DEG C or more under a high pressure. In the fi...

New set-accelerating admixtures for hydraulic cement compositions are disclosed. These admixtures incorporate known set accelerators and certain low molecular weight glycols, e.g., glycerol and ethylene glycol, are found to be surprinsingly effective in decreasing the initial set time of hydraulic cements, mortars, and concretes, and are advantageous as reduced-temperature set-accelerators.

The method of making a mask, particularly for sub-aqua uses, having a body (3) with an annular housing (2), by way of a shaped frame (7), into which fits a pre-shaped transparent element (1) of glass or plastic which is directly fixed and sealed to the annular space of the housing. The transparent element (1) is held and sealed by at least one peripheral locking piece (6) either in combination wit...

The present invention is directed to a disposable absorbent article, and particularly a sanitary napkin, having a flexure-resistant deformation element, the deformation element having a body facing surface which has a convex upward configuration when the sanitary napkin is worn. Primarily without relying on lateral compressive forces of the wearer's labia, the deformation element of the present in...

The present invention is directed to a disposable absorbent article, and particularly a sanitary napkin (10), having a flexure-resistant deformation element (20), the sanitary napkin (10) having a body surface (16) which has a convex upward configuration when the sanitary napkin (10) is worn. Primarily without relying on lateral compressive forces of the wearer's labia, the sanitary napkin (10) of...

In accordance with the present invention, a sanitary napkin (210) having flaps (224) and a stress relief means (250) for relieving the stresses that develop in the flaps (224) when the flaps are folded down along the edges of the wearer's panties in the crotch, is provided. The flaps (224) are associated with an absorbent means (212) along a line of juncture (226). The stress relief means (250) ca...

An acoustically matched reaction resin compound for damping coating of surface wave components is disclosed that contains one or more epoxy resins, one or more dicarboxylic acids or polycarboxylic acids or, respectively, acidic esters of dicarboxylic acids or polycarboxylic acids, an aliphatic or hetero-aromatic amine in a proportion sufficient to catalyze the cross linking of the reaction resin c...

Disclosed is a lubricating oil for compression-type refrigerator comprising, as a main component, a polyoxyalkyleneglycol derivative represented by the general formula: R<1> &lsqbstr& (OR<2> &rparstr& @-OR<3>]n (wherein symbols are as defined in the specification). Said lubricating oil has a favorable compatibility with refrigerants and an excellent lubricating property, and is utilized as the lu...

Disclosed is a lubricating oil for compression-type refrigerator comprising, as a main component, a polyoxyalkyleneglycol derivative represented by the general formula: R<1> &lsqbstr& (OR<2> &rparstr& @-OR<3>]n (wherein symbols are as defined in the specification). Said lubricating oil has a favorable compatibility with refrigerants and an excellent lubricating property, and is utilized as the lu...

An apparatus for needling a fibrous web passing through the apparatus in one direction, which comprises a needle board driven back and forth in a needling direction, needles carried by the needle board and extending in the needling direction, and a stationary support opposite the needle board in the needling direction. The stationary support comprises in the range of the needles two support sectio...