PURPOSE:To maintain the balance between the right an left driving forces and improve the traveling stability of a vehicle by changing the brake application condition by a brake means, according to the result of the detection of the control state of a differential restriction clutch, so that the brake application speed lowers as the differential restriction torque increases. CONSTITUTION:If the dri...

Films based on polyvinyl butyral, or on polymers with similar properties, are produced with little tackiness by extruding from a wide slit die and making the plasticated melt into a film with a feed passage, manifold and outlet in the die. Beyond the menifold, the slit die is brought to a temp. which is lower than elsewhere so that a temp. difference is produced between the surface and the centre...

A method of clamping an annular tread to a pneumatic tire casing comprises mounting the casing on a wheel, mounting the annular tread on a tread expander assembly. The assembly expands radially and stretches the tread to a size allowing the tread to circumferentially surround the casing. The stretched annular tread then is moved axially toward the casing to a position where it circumferentially su...

A convertible sofa-bed is disclosed which has a seating area, a back rest, and a mechanism support frame located below the seating area. A folding mechanism for supporting a mattress when the mechanism is unfolded and for supporting a seat in the seating area when folded with the mechanism located within the frame below the seat is also provided. The mechanism has first, second and third main sect...

A measuring tool for producing geophysical measurements within a borehole comprises a crawler belt, at least a portion of which constitutes a support for a transducer. The crawler belt is continuously displaced within the bore hole by means of a suspension cable and guide pulley in cooperating relation with spiked shoes and retaining plates for maintaining at least the transducer-supporting portio...

A video recorder-playback machine is provided for recording and or playing back video information from an information disc. The machine includes a <> laser (16) and a <> laser (80) respectively for generating record and playback optical beams (11, 81) which are focused upon the disc by an optical record-playback head (34). An optics carriage (30) movably positions the head with respec...

PURPOSE:To obtain a molding composed of an oxide superconductor having good dimensional accuracy by a simple method, in a method for molding an yttrium/barium/copper oxide or bismuth/calcium/strontium/copper oxide superconductor, by deforming a thin plate composed of said superconductor sintered once at a high temp. to mold the same into a predetermined shape. CONSTITUTION:A thin plate sinter comp...

PURPOSE:To extremely strongly bond a vulcanized rubber molding and a synthetic resin by applying chlorinating treatment to the contact surface of the vulcanized rubber molding with the synthetic resin and forming an adhesive layer based on a resole type phenol resin and aldehyde modified polyvinyl alcohol to the chlorinating treatment surface. CONSTITUTION:For example, a vulcanized rubber molding ...

PURPOSE:To provide the title granules capable of giving, as a rubber for reinforcing resin, resins of physical properties of good balance between weatherability, thermal stability and impact resistance, consisting of a specific hydrogenated block copolymer having special structure. CONSTITUTION:The objective granules consisting of hydrogenated block copolymer rubber granules <=-30 deg.C in glass t...

The invention relates to epoxy resins reinforced with aramid fibres, in which the adhesion between the fibres and the resin is improved by pretreatment of the fibres with organosilanes.

1. Aerosol packaging with an upper chamber (9) receiving a first component (A) substantially free of pressure as well as with a lower chamber (10) receiving a second component (B) together with a quantity of propulsion gas under pressure and substantially sufficient for the expulsion of the component mixture (A, B), with a connecting channel (16) between the chambers, which is to be opened with th...

PURPOSE:To utilize a sound and data in a distant place, to visually observe information mutually, to execute processing in that place and to present a result to all participants by samely operating various programs in plural work stations and using the program together with a telephone set. CONSTITUTION:One interaction control program 100A can control plural interaction subject programs 120A and 1...

PURPOSE:To easily remove air bubbles stuck in a treatment head without fail by connecting an air supplying and exhausting means to the vessel of the treatment head and providing a holding means to hold the treatment head in an arbitrary position and condition. CONSTITUTION:A treatment head 1 is held by a holding mechanism 19. When a prescribed time lapses or the air bubbles are stuck in a vessel 2...

Artificial marble composed of an organic matrix produced by radicalpolymerisation of a polymerisable liquid formulation containing at least oneallyl polycarbonate, one polyol in monomer and/or oligomer form and onemineral filler dispersed in said organic matrix, the mineral filler beingcomposed at least partly of cristobalite powder. The artificial marbleobtained in this way offers enhanced charac...

A ladder set comprises a number of mutually interconnectable sections whereby the effective length of the ladder may be varied. Each section comprises two uprights 1 and a number of rungs 2 removably fixed therebetween, both uprights 1 and rungs 2 being in the form of profile sections. Each upright 1 has a longitudinal substantially enclosed pocket 4 for accommodating longitudinal projection membe...

The invention relates to a microcomputer-controlled blocking system, in which the key contains a battery for supplying a microcomputer arranged in the lock, in the event that the lock is blocked by means of the key, and the key itself containing a further electronic storage element, reading contacts being arranged on the key and on the lock, the key and lock being provided with a code and the open...

Processes of the present invention provide economical methods for preparing derivatives 5-C-hydroxymethyl-D-aldohexose and their bicyclic anhydro tautomeric forms. The 5-C-hydroxymethylation process comprises an enzymic oxidation reaction followed by a condensation reaction with formaldehyde.

The invention relates to nigericin derivatives of the formula I in which X has the stated meanings. The nigericin derivatives according to the invention have antiviral and antibacterial activity.

Compounds of formula (1) and their salts, wherein R<1> is a methyl, ethyl or isopropyl group each substituted by a hydroxyl group or R<1> is a group -(CH2nR7 or a group -CH(CH3)R<7> (where n is zero or 1 and R<7> is CHO or CO2H); Y<1> is -CH2-, Y<2> is -CH- and X represents [where R<2> is a hydrogen atom or a group OR<8> is a hydroxyl group or a substituted hydroxyl group having up ...

7,8-Disubstituted guanosine nucleoside derivatives are found to be potent immune response enhancing agents in human and animal cells. 7-Substituents are hydrocarbyl radicals having a length greater than ethyl and less than about decyl. 8-Substituents are =O, =S, =Se and =NCN. Compositions and methods of use are also disclosed.