PURPOSE:To invariably exert the maximum driving force on any road face by judging the optimum slip quantity based on the change state of the driving wheel slip quantity and the change state of the car acceleration and controlling the actual slip quantity. CONSTITUTION:The slip quantity of a driving wheel MA is calculated by a means MB based on the car speed and the driving wheel speed. The driving...

"Improvements Relating to the Manufacture of Tobacco Smoke Filters" A particulate plastics material, a polysaccharide and water are fed to an extruder which is operated under such heat and pressure conditions that upon emergence of the extrudate from the extruder die, the extrudate assumes a cross-section greater than that of the exit orifice of the die.

A method of changing bobbins in lot for an automatic winder comprises the steps of hindering fully wound winding units from further winding yarns when an amount of a residual yarn supply becomes smaller than a predetermined value, and discharging bobbins with residual yarn from the fully wound winding units to deliver the same to the other winding units being in winding operation.

An X-ray apparatus is provided which is preferably intended for mammography and biopsy and it comprises a tube arm (1) which is rotatably secured in relation to a base frame (4) and which supports the X-ray tube (2). Moreover, the apparatus comprises a support plate (20), a compression bowl (25) and a film cassette holder (19) which are mounted so as to be mutually displaceable. In order to produc...

PURPOSE:To obtain the title film of extremely high rigidity and also good in appearance such as transparency by drawing a composition satisfying each specified condition for melting point, crystallization temperature and xylene solubles, comprising a crystalline propylene polymer and a specified amount of nucleating agent. CONSTITUTION:The objective film can be obtained by drawing a composition co...

Thin films of polyimide having electrical insulation, low thermal expansion, high glass transition temperature, and good ahesion are made by dispersing fine domains of relatively flexible polyimide which is fluorinated in a matrix of relatively rigid polyimide.

PURPOSE:To obtain specific average grain size, by uniformly mixing oxide powders consisting of elements chosen from specified metal groups, alkaline earth metal, copper, and oxygen with a solution of organic compounds, then molding and sintering the mixture. CONSTITUTION:Elements are chosen from groups consisting of thallium, thallium and lead, bismuth, bismuth and aluminium, bismuth and lead, bis...

PURPOSE:To deposit conductive or semiconductive materials on the surface of granular superconducting ceramics or superconducting powders, by depositing the conductive or semiconductive materials under the condition in which the granular superconducting ceramics or super conducting powders are caused to float or float while being vibrated by utilization of the Meissner effect. CONSTITUTION:A chargi...

PURPOSE: To form a PEEK polymer product such as a porous solid fiber by a method wherein a PEEK polymer is dissolved in a non-sulfonating acid solvent and this polymer soln. is introduced into a specified coagulating bath to coagulate the polymer. CONSTITUTION: After a poly(etheretherketone) (PEEK) polymer is dissolved in a non-sulfonating solvent, this PEEK polymer soln. is formed into a shape of...

PURPOSE: To make density high and insulating properties good by forming a laminate with a closed cell rigid polyurethane foam core which is prepd. by using water as a blowing agent and is scorch-free and has a density of at most 50 kg/m<3> . CONSTITUTION: A laminate with a substantially closed cell rigid polyurethane foam core which is prepd. by using water as a main or sole blowing agent and is s...

A seal device for wheel hub bearings consists of a first screen (1), provided with a seal (5) and mounted on the outer race (11) of the bearing and with a second screen or centrifugating device (2) and mounted interposing a rubber member (3) on the inner race (10) of the bearing. In operation, the centrifugating device (2) and the seal (5) slide reciprocally and are shaped and positioned so as to ...

Masking films for use with photographic colour-printing media in the preparation of colour proofs, in multi-colour printing, have a peelable masking film which has light-absorption properties which substantially match the spectral sensitivity of the photographic colour-printing media with which the masking film is to be used.

Well monitoring apparatus includes a side pocket mandrel 30 for inclusion in a well tubing string for removably receiving an instrument 38 in its offset receptacle bore 36 for monitoring at least one parameter such as pressure, temperature or the like, at a downhole location, there being an electrical conductor wire 43 extending from equipment 55 at the surface downward to the side pocket mandrel ...

Well monitoring apparatus includes a side pocket mandrel 30 for inclusion in a well tubing string for removably receiving an instrument 38 in its offset receptacle bore 36 for monitoring at least one parameter such as pressure, temperature or the like, at a downhole location, there being an electrical conductor wire 43 extending from equipment 55 at the surface downward to the side pocket mandrel ...

Well monitoring apparatus includes a side pocket mandrel 30 for inclusion in a well tubing string for removably receiving an instrument 38 in its offset receptacle bore 36 for monitoring at least one parameter such as pressure, temperature or the like, at a downhole location, there being an electrical conductor wire 43 extending from equipment 55 at the surface downward to the side pocket mandrel ...

Pressure-dependent anisotropic behavior is provided by a size selective separation membrane system comprising at least two successive porous layers. The first layer comprises a soft, elastic, effectively porous material, and the second layer comprises a substantially rigid porous material. When positive pressure presses the first layer against the second layer, the second layer serves as a rigid s...

Organic fluoride sources comprising a tetrafluoroborate salt and capable of releasing fluoride ions into dentition in order to provide inhibition and/or prevention of dental caries are disclosed. A method of releasing fluoride ion into dental tissue is also disclosed.

PURPOSE: To attain high speed exchange by combining basic code values showing data items supplied from plural transmission origin nodes, and generating plural channel symbol sets. CONSTITUTION: The circuit of an exchange system assigns a code word to each different value of transmitted data, and the code word decides the value of data and destination processors 134, 140,..., 146 which receive it. ...