Abstract: Method and apparatus for fabrication of large thin parts, such as panels having integral stiffeners arranged in any desired pattern, for superplastic and semisolid forming of complicated components, and for consolidation and bonding of powder and composite materials into flat products, include forging-rolling between a flat die and a circular die with a ratio of a contact length between the circular die and a billet to a billet thickness between 20-75 that prevents a material flow in a rolling direction and extrudes the material into die cavities. The circular die is formed as a ring-shaped element sliding along cylindrical guide surface. Both dies are displaced by press to squeeze and forge a billet into a product. For semicontinuous processing of very long parts, the dies are divided into a plurality of sectioned elements which are periodically introduced into a working zone.

Abstract: A volleyball blocking training device has a substantially upright support having an upper end, a ball imitating element arranged on the upper end of the support and adapted to be acted upon by a player during training in a blocking mode, an indicating unit for indicating when the player has acted upon the ball imitating element in a blocking mode.

Abstract: A device for improving erection, having a ring-shaped base having two walls spaced from one another to define a cavity therebetween, a cylindrical elastic closed cover connected to the base and having a portion which is arcuate-shaped and adapted to cover the head of the penis. A longitudinal portion which is adapted to cover the shaft of the penis. The arcuate portion having a thickness of 0.1-2.00 mm.

Abstract: Waste water is purified by passing through a vessel in which small particles of insoluble cathodes interact with anodes to form galvanic couples. During this process, chemical reduction of ions of heavy metals in the water occurs by ions and hydroxides formed during electrochemical dissolution of anodes. The hydroxides are an excellent coagulating agent which absorbs impurities contained in the water. Pressurized air can saturate the waste water simultaneously with passing through the vessel with anodes in order to produce process floatation using hydroxides as coagulant. The temperature of the waste water can be increased in order to intensity the process of treatment.

Abstract: A device for screening a vehicle window, has a plurally of strip-shaped elongated elements together forming a screening element and having two opposite ends, the strip-shaped elements being connected with one another in a region of one of their ends and pivotal relative to one another from an inoperative position in which the opposite ends are located near one another and the strip-shaped elements are coextensive to one another and extend substantially horizontally, and an operative position in which the opposite ends of the strip-shaped elements are spaced from one another circumferentially the screening element forms a segment arranged to be located near a vehicle window so as to screen the latter, and an electric motor for moving the strip-shaped elements between the inoperative and the operative positions.

Abstract: An instrument for measuring a dilatation of cervix uteri during a first stage of labor, includes two elongated arms pivotally connected with one another in the region of their central portion and having two opposite ends; two loops for passing fingers of a physician and arranged on one end of the arms; a scale arranged on another end of one of the arms and having a plurality of graduation marks which are spaced from one another in a transverse direction. An indicating tip is provided at another end of the other arm and movable relative to the graduation marks when a physician passes his or her fingers through the loops and moves the fingers relative to one another to palpate an edge of an orifice of cervix uteri.

Abstract: A mechanism of converting a reciprocal movement into a rotary movement comprises a coulisse and a toothed unit cooperating with one another, the coulisse being shaped so that conversion of the reciprocal movement to rotary movement is performed in a sequence successively by the toothed unit and the coulisse. Also, an internal combustion engine with the new mechanism can be provided.

Abstract: A device for storing and discharging a viscous liquid comprises a tank adapted to accommodate a viscous liquid, an outer tubular element arranged inside the tank and open into its interior so that the viscous liquid fills an inner chamber of the outer tubular element, an inner tubular element located inside an inner chamber of the outer tubular element and being substantially closed, means for supplying the viscous liquid into the outer tubular element and discharging liquid from the outer tubular element, means for supplying a heating medium into the inner tubular element so that the heating medium inside the inner tubular element gives out heat through a wall of the inner tubular element into the inner chamber of the outer tubular element and therefore to the viscous liquid so as to heat the viscous liquid and to reduce its viscosity, and for discharging the heating medium which has been cooled as a result of giving off the heat, and a plurality of fins arranged on an outer surface of the inner tubular elem

Abstract: For cooling food products liquid carbon dioxide is supplied to a container for storing the food products and discharged in the interior of the container to form snow which covers the food products, while carbon dioxide vapors generated during the discharge are moved in the vicinity of the supplied liquid carbon dioxide so that the cold of carbon dioxide vapors is transferred to liquid carbon dioxide.

Abstract: For cooling food products stored in a container, liquid carbon dioxide is supplied into the interior of the container and discharged through nozzles producing jets directed against one another so as to form carbon dioxide snow for applying on the food product. The jets of the nozzles are adjusted so that a surface of the food product or the tray is uniformly covered with carbon dioxide snow.

Abstract: A heat recovery system for a boiler has a tank separator connectable to a boiler and receiving a liquid from the boiler as well as separating the liquid into a blow down liquid and a flush vapor, a heat exchanger having an upstream portion and a downstream portion and receiving a make up water to be heated, the tank separator being connected with the upstream portion of the heat exchanger so as to apply hot blow down water into the upstream portion of the heat exchanger therefore to heat the make up water in the upstream portion of the heat exchanger by heat given out by the blow down water, the heat exchanger further having a downstream portion connected with the upstream portion so that the make up water heated by the heat given out by the blow down water further flows into the downstream portion of the heat exchanger, the tank separator being connected with the downstream portion of the heat exchanger so as to supply the flush steam into the downstream portion of the heat exchanger and further heat the mak

Abstract: Large-diameter cylindrical portion (3) is formed in water passage (2) of a water-spraying nozzle (1) in the vicinity of the tip portion of said nozzle. Piston (5) which is housed in aforementioned cylindrical portion (3) is driven in a reciprocating manner, so that the tip portion of bristle bundle (4) which is implanted in the front surface of aforementioned piston (5) is caused to move in and out via water-spraying opening (6) located at the tip of aforementioned nozzle (1).

Abstract: An exercising device for exercising while doing office work has an exercising element for exercising a part of a user's body while a user works at an article of office furniture, and an element for connecting the exercising element with the article of the office furniture so that the user can do office work at the article of furniture and simultaneously exercise the part of his body with the exercising element.

Abstract: A compact smoking oven comprises a box-shaped housing having a peripheral wall composed of two wall portions spaced from one another and including an inner wall portion provided with a plurality of throughgoing openings, a container for accommodating wooden chips and having at least one wall provided with a plurality of openings, a heating unit for the container so that when the container is heated and wooden chips inside the container are heated a smoke is produced which exits the container through the openings in the container, then enters a space inside the peripheral wall and exits the space through the openings of the inner wall portion into an interior of the housing, and means for holder for a food product to be smoked by the smoke.

Abstract: An electromagnetic stepper motor has a drum-type rotor rotatable about an axis and provided with a plurality of permanent magnets distributed over its circumference, a stator surrounding the rotor and comprising a plurality of permanent magnets and an electromagnet provided on each of the permanent magnets of the stator and connectable with a commutator, wherein each of the electromagnets including a plurality of electromagnet members located one after the other in a circumferential direction so that during an interaction of the permanent magnets of the rotor and the electromagnets of the stator the electromagnet members are switched on one after the other.

Abstract: A set for spinal anesthesia has a hollow introducer needle, a spinal needle introducible through the introducer needle into subarachnoid space, and a separate elongated hollow fixing element having a first portion which is fixable with the introducer needle, and a second portion surrounding exclusively the spinal needle and fixable with the spinal needle, so that the spinal needle is movable through the means between a plurality of positions and is fixed by the second portion to the fixing element in each of the positions.

Abstract: A toy bank has a body part having a mouth-forming area provided with an introducing slot, the mouth-forming area having an immovable portion and a movable portion which is movable relative to the immovable portion between an open position in which the mouth-forming area imitates an open mouth and the introducing slot is exposed for introducing money, and a closed position in which the mouth-forming area imitates a closed mouth and the introducing slot is not exposed.

Abstract: A lottery-type game has a plurality of carriers each having a single basic image of an object, a plurality of individual parts which are detachable from the basic image and attachable to the basic image so as to form a complete object with the basic image and all the parts, each of the carriers has at least one of the parts, so that when a player obtains a sufficient number of the carriers, he can detach the parts from the carriers and attach all parts to one of the carriers, and when all parts constituting the object are attached on the basic image on the one of the carriers, a player becomes a winner.

Abstract: A device for individual collection of pet excrements has a substantially elongated element having a first hollow portion formed to receive a user's palm and provided with a projection for receiving a user's thumb, and a second portion extending from the first portion and having an inlet opening for insertion of the user's arm, the second portion having a length which is at least equal to a length of the first portion, and a width which is at least equal to the width of the first portion, so that when a user by manipulations with the first portion and the projection collects the pet excrements, the second portion can be turned over the first portion and farther so that the element is turned inside out to produce a bag-like structure with excrements inside.