By using circular and disc-shaped, non-coupling roving bobbin carriers 18, which carry only one bobbin 20, on a supply track 14, which extends along a ring spinnning machine 2, and on transverse tracks 16, branching away therefrom, the roving change process on the ring spinning machine 2 is quicker and simpler to carry out.

PURPOSE:To cast a metallic mold for forming tire without detachment at circumference of a metal piece at the time of casting even in the case of the total length of the metal piece exceeds 20mm by forming a hole to a mold body at end part of the metal piece. CONSTITUTION:In the gypsum mold 1 for casting the metallic mold for forming tire, difference of thermal expansion between the gypsum mold 1 a...

PURPOSE:To obtain a thin type battery by welding and sealing the two-split through faces of collectors one with the other to connect the tips of the collectors to other electrode collectors or connecting conductors to an external circuit. CONSTITUTION:A thin type battery is made up with a tray type body 4a housing electrode, etc., during manufacture and a plate type cover 4b sealing an open face a...

PURPOSE:To obtain a thin type battery by placing active material for a positive electrode, active material for a negative electrode and separators on the same plane face. CONSTITUTION:Separators 2 are placed in a container in parallel in a preset space so as to split the open face of a tray type container 1 made of synthetic resin, to form electrode rooms 1a, 1b... between mutual separators or bet...

Procédé et dispositif pour filtrer une suspension de particules dans un liquide. Le procédé consiste à entraîner en rotation un conduit enroulé autour d'un axe et traversé par le liquide filtré, en sens inverse du sens d'écoulement du liquide filtré dans le conduit, puis à freiner brusquement la rotation, afin de créer sur la membrane de filtration une pression inverse de liquide filtré, cette pre...

Certain relief parts (11, 13) of a tread (1) for a radial tyre, are provided at least with incisions (41, 42, 43) having, in cross-section, outlines in the form of forks, and at least two prongs (41B, 41C) extending from a single portion (41A), the number of incisions (41) on the relief part (12, 13) being multiplied by a factor of at least 1.5 from the depth (h1) of the two-pronged incision (41)....

A mattress cover (10) is adapted to conformingly fit over a mattress (50). The cover includes a non-elastic top panel (12) having a general shape similar to that of the top surface of the mattress, defining edges and corners. A plurality of side panels (14) are attached to the edges of the top panel, adjacent side panels being attached to each other at the corners of the top panel. The side panels...

A system for use in connection with an automatic transmission of a motorized vehicle is disclosed. The system includes an accumulator which is sealed except for two openings therein. The accumulator is positioned above an operational fluid level of the transmission, with the openings pointing downward. One of the two openings couples to a high pressure fluid line, which extends between an automati...

Protective barrier consisting of at least two ballastable elements (3, 4) adapted to surround at least partially the work to be protected (1). The height of the individual elements is greater than the water depth. The elements comprise a connection device permitting the structural continuity of the elements after assembly. The protective barrier is entirely independent of the work to be protected....

A dispersion strenghened ferritic steel having excellent ductility and toughness which has been heat treated to produce a matrix having a tempered martensitic structure composed of 0.05 to 0.25% by weight of carbon, 0.1% by weight or less of silicon , 0.1% by weight or less of manganese, 8 to 12% by weight of chromium, 0.1 to 4.0% by weight in total of molybdenum and tungsten, and 0.02% by weight ...

A thermo-shrinkable polyester type film having the following shrinking properties: a shrinking ratio in one axis is not less than 30% at 80 DEG C. and not less than 50% at 100 DEG C., and a shrinking ratio in a perpendicular axis to the former axis shows the minimum value at a temperature range of 80 DEG +/-25 DEG C., and the process therefor. This film shows an excellent shrinking properties f...

A flexible oriented plastic sheet has a high tensile strength and is resistant to corrosion and highly resistant to splitting when penetrated by a pointed article. The flexible oriented sheet can be cut into desired shapes and sizes so as to be useful in a variety of applications, such as roofing batten bars and fencing materials, which require high resistance to splitting and fastener pull-throug...

PURPOSE:To easily obtain the title compound useful as a raw material for dye and free from impurities by concentration and separation by bringing a hydrocarbon oil containing 2-methylquinoline into contact with an aqueous solution of alpha-cyclodextrins to form a clathrate compound of 2-methylquinoline and alpha-cyclodextrins. CONSTITUTION:A hydrocarbon oil containing 2-methylquinoline is brought ...

UNA MAQUINA PARA DESCASCARAR Y PELAR GAMBAS (10) TIENE UNA RUEDA DE SOPORTE (36) Y UN TUBO PERIFERICO (38). LA RUEDA (36) ES GIRADA POR UN MOTOR (42) Y EL TUBO (38) TIENE UNA ABERTURA (40) EN TODA SU LONGITUD ENFRENTE DEL CENTRO DE LA RUEDA (36). LA MAQUINA (10) CONTIENE UNA ESTACION DE INSERCION (16) QUE TIENE UN SEPARADOR DE ABERTURA (54). UNA GAMBA (52) ES INTRODUCIDA EN LA ABERTURA CREADA POR ...

A programmable driverless vehicle steered in accordance with a program recorded in a data recorder. The driverless vehicle includes a control circuit for playing back the record to cause a programmed steering position representative signal to appear at the output of the data recorder. The control circuit determines the steering position error of the actual steering position from the programmed ste...

A portable laser surgery evacuator includes an aspirator contained in the same housing which is positionable in an operating room near a surgical site. Surgical plume is evacuated from the site by vacuum, filtered through moisture, purifying and particle filters, chemically deodorized, and exhausted in cleaned form into the operating room environment. Fluid containing liquid is aspirated by pumpin...

A membrane for gas separation or pervaporation. The membrane is a composite of a microporous support membrane and an ultrathin permselective membrane, the permselective membrane being made from a polyamide-polyether block copolymer having the general form: where PA is a saturated aliphatic polyamide segment, PE is a polyether segment, and n is a positive integer. The membrane is particul...