A method for protecting concrete surfaces of sanitary sewers includes the steps of providing a concrete surface in a sanitary sewer environment; and coating the concrete surface with magnesium hydroxide or magnesium oxide.

Disclosed herein is a production process of a plastic photochromic lens which is excellent in the weather resistance of its photochromic function, has uniform photochromic effects all over the aperture of the lens and can sufficiently exhibits the performance of a photochromic compound to be contained in the lens. The process is a process for the production of a plastic photochromic lens including...

A coil stripping apparatus that strips a coil of thin flexible material from a drum of coiling machine, comprises a non-rotating pusher plate slidably movable along the length of the drum, as powered by a hydraulically actuated motor, for effecting the transport of the coil along the drum. A stripper member having opposed first and second finger members, with the first and second finger members ea...

Improved apparatus for conducting a binding assay comprises: (a) a first absorbent material having a first reagent immobilized thereon at a first predetermined location; and (b) a second absorbent material in contact with the first absorbent material and having a second reagent releasably immobilized thereon at a second predetermined location, the first absorbent material and the second absorbent ...

Granular material of predetermined particle size (from 100 microns to a few centimetres) is prepared by firing and sintering a granulate prepared from powdered feldspar and clay. During the firing stage the granulate is mixed with a refractory powder selected from silica and clay to prevent the granules from agglomerating and sticking to the walls of the furnace.

Method to deliver a gas in the form of smoke with an anti-theft function, the method being suitable to deliver quickly a required quantity of vaporised substance having the appearance of smoke (25), the method using as a starting substance a liquid substance (16) contained within first container means (11), the vaporisation of the liquid substance (16) taking place by heat exchange, at least one i...

Procedure for packing rolled sections, used in co- operation with a conveyor 11 suitable for conveying sections 12 placed alongside one another, advantageously round with top diameter 6 mm or equivalent, such as polygonal bars, in a direction orthogonal to the axis of the sections 12, there being pack 13 formation means possibly associated with means of binding and means of evacuation, there being...

An intake system for an internal combustion engine having first and second inlet passages for each cylinder of the internal combustion engine. The second inlet passage is provided with a butterfly valve arrangement integrated into the flange area of the intake manifold for selectively closing or opening the passage, and a drive unit is provided for operating this valve arrangement depending on the...

PCT No. PCT/FI96/00076 Sec. 371 Date Oct. 10, 1996 Sec. 102(e) Date Oct. 10, 1996 PCT Filed Feb. 9, 1996 PCT Pub. No. WO96/24988 PCT Pub. Date Aug. 15, 1996A method for generating spreading codes in a receiver, and a receiver for use in a system wherein a signal to be transmitted is multiplied with a code sequence characteristic of each connection, wherein the receiver includes an estimator for es...

A modular "bridge" section is disclosed having a seat frame assembly and a detachable seat back assembly supported therefrom. The seat frame assembly and the detachable seat back assembly are upholstered to define an aesthetically pleasing seat section which can be installed between two seat sections or, alternatively, which can be used as an armless end unit of a modular sectional arrangement. Th...

A hose having a knitted reinforcement wherein the wales are helically oriented at an angle to the hose axis of opposite hand to the helical orientation of the courses.

The invention relates to pharmaceutical compounds for the treatment of patients which show symptoms of unspecified retarded maturity, such as Alzheimer's disease and other diseases which have an origin in numeric anomalies, deletions or chromosomatic fragility. These compounds include specific non-toxic quantities of, at least one of the following drugs: a) haloperidol (4-(4-(4-chlorophenol)-4-hyd...

A knitting machine is described for knitting rows of yarn loops in a helical pattern around the inner core of a hose. The machine comprises at least two concentrically disposed tubes. The first tube rotates concentrically around a straight axis along which the inner core of a hose moves towards an opening in a knitting head. The first tube carries a plurality of needles and needle guides which are...

An installation for transmission of electric power by means of high-voltage direct current has two converters (SRI, SRII), each of which is connected to an alternating-voltage network (NI, NII) and which are connected to each other through a dc connection (L). One converter (SRI) is controlled as a rectifier and another converter (SRII) is controlled as an inverter. One converter (SRI) is current-...

An installation for transmission of electric power by means of high-voltage direct current has two converters (SRI, SRII), each of which is connected to an alternating-voltage network (NI, NII) and which are connected to each other through a dc connection (L). One converter (SRI) is controlled as a rectifier and another converter (SRII) is controlled as an inverter. One converter (SRI) is current-...

The invention is directed to a personnel identification system incorporating radio frequency identification (RFID) proximity card and other forms of RFID data carriers, reading technology and fingerprint reading technology. More particularly, this invention pertains to a novel person recognition and identification system utilizing identification cards incorporating RFID technology electronic finge...

A materials handling vehicle including a frame supporting a set of wheels and a rider compartment having a platform on which an operator may stand. Shock dampeners are provided positioned between the platform and the frame to isolate an operator standing on the platform from vibrations experienced by the frame. The platform includes a pair of pedals for controlling operation of the materials handl...

A smelt spout cleaner apparatus includes a cleaning head insertable into a smelt spout and movable in a substantially linear path along the smelt spout for thoroughly cleaning the spout. The cleaning head is mounted on one end of a substantially horizontal beam, the opposite end of which is supported in cantilever fashion to a support base which is selectably movable. The support base includes mea...