The invention pertains to a rotary grinding mill having a drum which is provided with a lining and at least one lifting device, and relates to an arrangement for registering wear on the lining and particularly on its lifting device. In order to provide an arrangement by means of which it is possible to register when the lifting device of the mill lining has been worn to at least a given, predeterm...

This invention relates to a gas assisted flotation process and apparatus useful in the separation of solids from liquids in a slurry, such as treated waste waters, paper pulp solutions etc. The gas assisted flotation process may be operated on a continuous basis. The upper portion of the main chamber of the apparatus (36) is tapered inward to terminate in an apex (38) which has an opening through ...

A valve actuator to open and close the intake and exhaust valves of an engine utilizing the electromagnetic force generated by an electromagnet. A reciprocally moving magnetic pole (8a) is coupled to an intake or exhaust valve (8), an upper fixed permanent magnetic pole (3) is provided to be opposed to an end in the reciprocating direction of the moving magnetic pole (8a), and the intake or exhaus...

In order to permit the introduction of a biopsy needle (14) into a breast (19) examined with a mammograph, a structure is made in the form of a crank bearing via its arm (22) the needle holder (15) and supported via its shaft (21), vertically, in the direction of a tumour (12) situated in the breast, the position of which tumour has moreover been calculated. The distance (D) of penetration of the ...

A battery element useful as at least a portion of the positive plates of a lead-acid battery comprises an acid resistant glass substrate coated with electrically conductive doped tin oxide. This battery element may also be used in the bipolar plates of a lead-acid battery.

The suction belt (7) extends in the conveyor direction (5) and adjusts with the active faces of the suction members (2) which cross the section of the sheet lying above the level of the stack (1). The guide plates (10) are set flush at the side of the suction belt (7). The guide plates pref. have recesses (11) and extend up to the side edge level with the leading edge of the stack (1). The suction...

The exercise machine (1,2,3) has elastic resistances in the form of straps, pulleys, springs, tubes etc. and a cover. The machine is made of wood or suitable lightweight solid materials and components. The seat, foot rests, deflector rollers, struts and cross-stays, and the elastic resistances and all other components fit into each other when folded up. The appliance can be free standing or movabl...

A system for delivering radiofrequency energy to ablate cardiac tissue comprises a radiofrequency generator and an intravascular catheter. The catheter includes both a radiofrequency ablation electrode and a temperature sensor within its distal end. Delivery of power to the ablation electrode may then be controlled based on electrode temperature using a cascade control system wherein analog temper...

A ski-binding includes a rear coupling member constituted by a first body (2), which is slidably associated with a base (3) which is coupled to the ski, to which a lever (4) is articulated; a jaw (13) is in turn associated with the lever and engages the heel (12) of an item of footwear. The lever is rigidly associated with a pedal (10) pivoted to the jaw, and activated by the item of footwear. The...

A biaxially oriented polyester film containing 0.05 to 3 wt% of agglomerates of primary particles of aluminuin oxide having an average particle size of 5 to 40 nm, the agglomerates having an average particle size of 50 to 400 nm. The film of the present invention is excellent in the wear resistance against various members sub as a metal pin, and suitable for various industrial purposes including a...

The driver's cab has a driver's seat fitted onto a swivel mounted top cover plate (40) for a space containing the vehicle traction batteries. Two front and two rear support posts hold a protective frame. Box-like linings (28) are arranged on both sides of the cover plate and serve to define the foot-well. At least one of the linings is releasably attached and can be displaced by moving upwards and...

A conventional ribbon saw (1) is assigned a forward-feed device which consists essentially of a guide channel (3). A length of material can be moved axially against a stop (5) via the guide channel (3) by means of a forward-feed plate (4) in such a way that one end of the length of material intersects the plane of an active side (7) of the ribbon saw (1). The guide channel (3) can be displaced per...

A process for the recovery of scrap polyurethane polymer in the form of a polyol, and the use of said polyol to prepare a fresh polyurethane polymer is disclosed. Said process involves thermally treating scrap polyurethane at an elevated temperature with a liquid mixture which consists of an alkanolamine and a metal hydroxide and subsequently reacting the resulting intermediate product with an alk...

A leather-like thermoplastic polyester series resin sheet is disclosed, comprising a uniformly and finely formed sheet comprising a thermoplastic polyester series resin, wherein said foamed sheet has cells having a diameter of substantially not longer than 1 mm, the cell walls thereof have a thickness of substantially not thicker than 100 mu m, and the cell wall constructing each cell extends wit...

This invention disclosed herein provides an alcohol acetyl transferase ("AATase"), an AATase encoding gene and a yeast having an improved ester producing ability due to transformation with the AATase encoding gene. This invention also provides a process for producing an alcoholic beverage having an enriched ester flavor using the transformed yeast.

A polymeric film has a polyester substrate layer and an adherent layer of an acrylic resin and a phthalate ester. The adherent layer preferably contains an additional cross-linking agent. The adherent layer exhibits improved adhesion to the substrate and to a range of subsequently applied layers, such as inks and lacquers, vinyl chloride polymer.

A process for depositing smooth polycrystalline layers, especially diamond layers, comprises two steps. In a first step the <100> crystal direction of an octahedron (8, 38) is grown with a growth parameter alpha of about 3, preferably over a layer thickness of between 400 and 600 times the mean seed distance on the substrate. In a second step, by reducing the growth parameter alpha , surfaces a...

Liquid impervious, biodegradable films are disclosed. In particular, the films comprise a blend of an interpenetrated network of destructurized starch with ethylene/acrylic acid copolymers or ethylene/vinyl alcohol copolymers, and an aliphatic polyester such as polycaprolactone. Diapers, sanitary napkins, pantiliners, and the like, containing backsheets prepared from the foregoing materials are al...

Liquid impervious, biodegradable films are disclosed. In particular, the films comprise a blend of an interpenetrated network of destructurized starch with ethylene/acrylic acid copolymers or ethylene/vinyl alcohol copolymers, and an aliphatic polyester such as polycaprolactone. Diapers, sanitary napkins, pantiliners, and the like, containing backsheets prepared from the foregoing materials are al...

An adhesive composition comprising: a polymer latex containing a copolymer which comprises (a) 40 to 80 % by weight of a conjugated diene monomer and (b) 0.5 to 30 % by weight of a cyanated vinyl monomer, (c) 5 to 35 % by weight of vinylpyridine and (d) not more than 53 % by weight of an aromatic vinyl monomer; and a resorcin-formalin resin, which composition can adhere various fibers ...