A roller shutter or a roller door has profiled metal bars (1) which engage in one another in an articulated manner and connected to these, forming cavities for achieving high heat-insulation values, profiled strips (10) or profiled bands. The profiled strips (10) or profiled bands are of cross-sectionally elastically deformable design, are inserted into the profiled metal bars (1) and, in the inst...

This control device for electric motor-reduction unit intended for driving rolling shutters, roller-blinds or the like, and permitting an accidental overstepping of the electrical stop point without causing any damage in, or putting out of order, the control device, comprises a cam having a notch formed in its contour, adapted to be engaged by a follower portion of a lever so as to open a switch c...

This control device for an electric motor-reduction unit is designed to permit the accurate adjustment of the point at which it is desired to stop the rotation of the unit. For this purpose, it comprises a slide controlling during its movement in one direction and during a first time period the movement of beaks of a rocker in a direction in order to open the motor control switch when said beaks a...

Substrates, webs, are coated with aqueous dispersions of a binder mixture of pulverulent, storage-stable epoxy resin, curing agent and curing accelerant. These substrates can be made into laminates.

The invention provides a method of bonding and simultaneously printing a fabric, for example a non-woven web, by contacting the surface of the fabric with an ink comprising a dyestuff supported on a transfer sheet and subjecting discrete areas of the combination to heat and pressure. It is found in many cases that dye is strongly fixed, and that compared to conventional heat-transfer printing the ...

Pasta de ciment, pentru cimentarea sondelor de titei si gaze, constituita din 60....80% ciment S2, 40....20% deseu rezultat la fabricarea carborundului cu greutate specifica de 3,64 kg/dm3, macinat la o finete de 15% rest de sita de 0,09 mm si 0,5....2% lignotartrin concentrat avînd raportul a/c de 0,22....0,35.

Apparatus for treating a workpiece at elevated temperatures both under vacuum and under superatmospheric pressures to provide for vacuum sintering and hot isostatic pressing in the same apparatus. The apparatus according to this invention comprises a vacuum-pressure vessel and a furnace within the vessel having a pedestal upon which the hearth rests extending up into the furnace. A first electrica...

A container, particularly for packing purposes, a method for manufacturing it and a machine for carrying out the method are described. The container comprises a cardboard sheath, a film of a material having thermobonding characteristics innerly lining the cardboard sheath at least close to its bottom end, a plastic bottom having a peripheral rim integral with the sheath by being bonded on a margin...

PURPOSE:To enable simple and prompt assembling of an exhaust gas purifier for an internal combustion engine through such integration as engaging one inclined area of a catalyst cassette whose both ends are inclined with the annular projection of one casing and the other casing with the other inclined area. CONSTITUTION:The inner diameter of one casing 6 of a pair of casings has such a size as can ...

PURPOSE:To simplify the structure of an exhaust gas purifier for an internal combustion engine and accurately mount it on its casing, by engaging one inclined area of a catalyst cassette with the annular projection area of the casing and making the other incrined area inserted into the casings by winding a gasket around it. CONSTITUTION:The inner diameter of a casing has such a size as can allow f...

1408235 Gas scrubbing; agitating and aerating liquids EUROPEAN PLASTIC MACHINERY MFG AS 16 Jan 1973 [26 Jan 1972] 2230/73 Headings B1C and B1R An apparatus for establishing contact between a liquid and a gas e.g. in water aeration, microbiological purification or gas scrubbing comprises a cylinder having a circumferential wall and end walls formed by pipes 11 bent into circular form, spokes 13 rad...

A valve located in an engine intake manifold vacuum line is operated by differential vacuum forces to temporarily open an air bleed during engine deceleration high manifold vacuums to apply atmospheric pressure to a vacuum controlled unit that then bypasses air away from a catalytic converter and the engine to protect the converter and prevent backfire.

There is disclosed a one-unit fluidized-bed reactor for purification of waste water by means of biomass attached to carrier particles, comprising above the bottom of the reaction space a liquid distribution device (2), suited in particular for introduction of waste water in wide reactors achieving uniform fluidisation therein, consisting of a number of substantially horizontal pipes each of them h...

Task handling apparatus in a computer system is structured to be common to system control tasks, user tasks and I/O tasks. Although the task handling apparatus contains a task priority structure, all tasks are handled in the same manner, and there are no fixed interrupt levels for I/O tasks. There are N levels of priority, and N is variable. Each task is a server for a functional request. Task dis...

PURPOSE:To reduce the number of retransmissions from the transmission station to shorten the transmission time, by providing a response proportion comparing means and a retransmission frequency check means in the upper station to avoid retransmitting the same information till disappearance of negative acknowledge. CONSTITUTION:Upper receiving station 5 is provided with receiving signal analyzing p...

PURPOSE:To improve complex operation of a plurality of actuators and to make the acceleration control and the fine control easier in a hydraulic circuit wherein a plurality of the actuators are connected to each hydraulic pump by integrating logic valves into the circuit. CONSTITUTION:If the invention is embodied in a hydraulic shovel, a right travel change-over valve 3, a bucket change-over valve...

A device for releasably and adjustably securing objects relative to each other, such as hanging a picture frame relative to a wall includes a flexible elongated strap (14) slidably received by a latch mechanism (16). The strap and latch mechanism have implementary locking teeth (20, 44) permitting movement of the latch mechanism in one direction on the strap but preventing movement in the opposite...