An improved centrifuge. The centrifuge may be a conventional centrifuge having a rotor and a plurality of tube receiving adaptors inserted into the rotor in a circular configuration. The improvement comprises a flexible flap having a fixed end mounted on the rotor at an adaptor and having an opposing free end. The free end extends radially inward toward the center of the rotor when the rotor is no...

A system for controlling an electromagnetic clutch has a reference valve generator which produces clutch-engaging and clutch-disengaging engine speed signals in a low vehicle speed range. Engine speed is compared with the engine speed signals by a comparator. The clutch is engaged at a higher engine speed than a clutch disengaging speed and disengaged at a lower engine speed than a clutch engaging...

PURPOSE:To absorb backlash to highly follow up normal and reverse rotation at a low cost by constituting the device so as to fix bearing members and a case main body impossible of relative rotational movement through insertional fitting of gear case covers to the case main body. CONSTITUTION:Bearing members 25 of intermediate transmitting shaft are insertingly fitted to the inner circumferential f...

A can transport car, in which textile sliver cans are transported between a sliver-producing machine, for example a carding machine and a sliver-consuming machine, for example a drawing machine, is engaged by a can-emptying suction device (20) when a sliver residue (39) has been detected. The suction device engages over or through an opening (14) in a cross-member (13) of the car to suck up the re...

This invention relates to a self-cleaning water filter which self washes in a counter-current of water operating by means of a turbine which rotates both a set of nozzles through which centrifuged jets of water flow and a set of brushes which scrape the external face of the filtering surface.

Zur Schadensbegrenzung im Explosionsfalle, ausgelöst durch Innenzündung der Akkumulatorengase, ist der Gehäusedeckel einer Akkumulatorenbatterie auf seiner Unterseite mit einer oder mehreren Lagen eines Faservlieses beschichtet, welches teilhydrophobiert ist und bei hoher Feinheit der Fasern (Dicke: 10-100µm; 1,5-40dtex) ein Flächengewicht von 120 bis 350g/m² aufweist. Die Vliesmatte fängt die Exp...

Zur Dämpfung der Druckwelle einer durch Innenzündung ausgelösten Explosion ist ein Batteriedeckel (2) an seiner Unterseite mit einer Fasermatte (3) versehen, deren Faser aus dem gleichen Material wie das Batteriegehäuse besteht und die sich an der Spiegelverschweißung von Behälter (1) und Deckel (2) beteiligt. Die Matte ist als einheitliches Stanzteil in eine der Zellenzahl entsprechende Anzahl Ab...

A shift control stategy is disclosed whereby a timing at which the states of shift solenoids are switched is determined based on an actual revolution speed ratio, namely a ratio of a revolution speed of an input shaft (13) of a gear train to a revolution speed of an output shaft (12) thereof, and a predetermined data containing various revolution speed ratio values versus kinds of shift and thrott...

A method for recovering sulfuric acid from a titanium sulfate waste liquor by diffusion dialysis in a diffusion dialytic cell provided with anion exchange membranes, which comprises subjecting the titanium sulfate waste liquor to precision filtration to remove a solid content having a particle size of at least 0.1 mu m to a level of not more than 100 mu g/ l , and placing the filtered liquor to ...

A tube having holes formed at precise positions is obtained by preparing a tube in which a substantially black synthetic resin film portion (1) and a synthetic resin film portion (2) having a color other than substantially balck are formed alternately in its circumferential direction and then drilling the black synthetic resin film portion (1) by a laser beam (3).

The utility model relates to a solar vacuum heat-collecting pipe which is a basic component on the solar utilizing devices (such as a solar plate water heater and a focusing solar furnace). The utility model is composed of a heat collecting pipe, a glass pipe, a pipe seat, a ball valve, a sealing ring and a joint. The interior of the heat collecting pipe is a water flow channel, the glass pipe is ...

Using an organic binder containing at least one water-soluble thermoplastic organic polymer and at least one water-insoluble thermoplastic organic polymer, the water-soluble thermoplastic organic polymer is extractd by debinding treatment in which a plastic molded part such as injection molded part and water are brought into contact with each other to prevent the occurrence of cracks in the molded...

In a method and an apparatus for the manufacture of reinforced ply fabric material (11, 12) for use in construction of a pneumatic tyre one or more elongate strips (11, 12) of flexible reinforced polymeric tape are wound helically around a mandrel means (36) with successive turns in contact to form a tubular structure much wider than the width of the tape (11, 12). The tubular structure is then cu...

A process and apparatus for producing laminated glass wherein a film-forming plastisol is coated on a surface of a first glass plate to form a layer (4) of the plastisol so that the thickness of the layer (4) may monotonically vary; a second glass plate (5) which has been heated at least at its peripheral portions is brought in contact with the layer of the plastisol first at a portion where the l...

PCT No. PCT/EP92/01379 Sec. 371 Date May 2, 1994 Sec. 102(e) Date May 2, 1994 PCT Filed Jun. 17, 1992 PCT Pub. No. WO93/24190 PCT Pub. Date Dec. 9, 1993.The invention relates to a extrusion die tool for producing a hard metal or ceramic rod with at least one twisted internal bore (14). The nose (3) of the nozzle (2) has a smooth cylindrical channel (4). A bearer (6) is fitted coaxially inside the ...

A biaxially oriented polyester film which has excellent resistance to both dry and wet heat degradations, can withstand the use in an atmosphere having a relatively high moisture concentration, and is useful as an electric insulating film, a film for a transparent electrode, an electromagnetic wave absorption film (e.g. a film used for an inspection window of a microwave oven) and a reflection fil...

Molded, composite articles can be prepared from a rigid surface piece and a polyurethane foam forming composition containing the dimethyl esters of adipic, glutaric, and succinic acids, and mixtures thereof. The foams containing these dimethyl esters are generally open celled, have good adhesion between the foam surface piece interface, and exhibit reduced friability even at lower molding temperat...

Disclosed herein is a biaxially oriented polyester film for a magnetic recording medium which has an excellent surface uniformity, which generated only a small number of scratches and only a small amount of abrasion dust and which has an excellent running property without wriggling running when it is manufacture into a magnetic tape, and which has improved slittability.

Compositions containing at least one hydrofluoroalkane and at least one stabilising agent chosen from quinones and compounds containing a nitroso group, added in an amount sufficient to stabilise the hydrofluoroalkanes. These compositions can especially be used in premixes for polyurethane foams.; Compositions comprenant au moins un hydrofluoroalcane et au moins un stabilisant choisi parmi les qui...

A method of automatically assembling a bead apex characterised by joining both the longitudinal ends of a strip apex (7) having a triangular section with one short side and two long sides and a specified length to each other, and forming said strip apex (7) into a cylindrical body such that said long sides are the inner and outer peripheral surfaces respectively, forming said cylindrical body into...