PURPOSE:To protect a speed reducer from damage and extend the life thereof by employing structure in which a first stage of a planetary gear speed reduction device is housed in the inner circumference of a motor shaft, thereby reducing the projection amount of the speed reducer from outside end surfaces of right and left crawler belts. CONSTITUTION:A speed reducer comprising a motor shaft 2, and a...

PURPOSE:To reduce the sectional area and weight of a transmission case so as not to limit spacing with other peripheral members by forming a recessed part for allowing the head part of a fastening/fixing clamp to recede deeper than the joint face to the transmission case or a housing, on the peripheral part of the spacer case. CONSTITUTION:A recessed part 5 for allowing the head part of a clamp 4,...

The improved properties are obtained by the combination of the use of a grid substrate formed of a Pb-Sb alloy containing one of Na, Li and K and Sn, and an electrolyte containing alkaline earth metal ions. The electrolyte may contain ions of an alkaline earth metal having no water and/or crystallized water and alkaline metal ions in concentration of at least 500 ppm.

In a mammographic X-ray apparatus the breast (4) to be photographed is pressed between a press plate (2) and a film cassette (5) or an equivalent depicting member, and the compression force (F) applied to the breast (4) is measured by a detector (3). On the basls of this measurement, the velocity (V) of the compression movement of a press motor (7) is regulated. The apparatus comprises a C-arm (1)...

Non-stick coating systems can be applied to untreated smooth glass and ceramic substrates with a polysiloxane undercoat overlaid with a second undercoat of polyamide imide preferably containing colloidal silica and surfactant, with each undercoat in the range of 0.1-5.0 microns thick.

Process for the preparation of alkanediols having at least two carbon atoms separating the alcohol groups, which comprises the reaction of a) an alkynediol and/or an alkenediol, of which the alcohol groups are separated by at least two carbon atoms linked by the alkynic or alkenic bond, respectively, and b) hydrogen, in the presence of a palladium compound and a base. r

Web, drawn intermittently from roll A, e.g. by packaging apparatus D, is formed into a U-shape in suction device C, which includes a loop sensor 3a controlling a device i which feeds web to device C. The vertical extent of the U-shape is thus kept constant and web tension downstream of device G is controlled. Device C comprises a rectangular-section, open-topped box, suction being applied at port ...

Paint compositions suitable for forming decals which can be applied to vehicle tire sidewalls. The compositions comprise a saturated elastomer having a glass transition temperature not higher than -40 degrees C., a pigment which is preferably titanium dioxide in an amount in the range of 0.5 to 10 times the weight of elastomer, and a solvent. Compositions of this invention are resistant to ultravi...

This invention relates to a process for making a lightweight article which comprises: (1) feeding a thermoplastic resin composition into an extruder, wherein the thermoplastic resin composition is comprised of (a) from about 94 to about 99 weight percent polyethylene terephthalate, and (b) from about 1 to about 6 weight percent of at least one polyolefin; (2) mixing an inert gas into the thermopla...

Transparent resin film having a low haze value (less than 10% as determined by ASTM D 1003) is produced by a process of inflation molding in an upward direction a resin composition comprising 100 parts by weight of a polybutylene terephthalate resin having an intrinsic viscosity IVa of at least 1.0, and between 15 and 45 parts by weight of a polycarbonate resin having an intrinsic viscosity IVb of...

A process for the production of mouldings or films in which combinations of A) polyisocyanate polyaddition products in comminuted form, having a density of from 0.1 to 1.2 g/cm<3>, or combinations, in comminuted form, of foamed polyisocyanate polyaddition products of this type with film material, B) reinforcing agents in an amount of up to 80% by weight, based on the total weight of the system, ...

A silicon wafer measuring method includes: (a) a first step of measuring a light transmission characteristic (IOBS) of the pulled silicon wafer by incidence of parallel polarized light at Brewster angle into the pulled silicon wafer, (b) a second step of measuring a light transmission characteristic (IO) of a floating zone silicon wafer functioning as a reference silicon wafer both front and rear ...

A method of manufacturing a reinforced component of a motor vehicle tire carcass, in particular, a tubular toroidal body ply (12)(20)(24)(25) extending about and encapsulating two annular lateral beads (8), whereby the two annular beads (8) are arranged coaxially and separated by a first distance (A)(C)(D) greater than a final distance (B), so as to define, at least partially, a toroidal frame (11...

The device comprises a turn-over bladder 1 capable of moving axially towards the centre of the drum 3 in the manner of a caterpillar track. Its movement is controlled by the inflation of a thrust bladder 2. ; Le dispositif comporte une vessie de retroussage 1 capable de cheminer axialement vers le centre du tambour 3 à la manière d'une chenille. Son mouvement est commandé par le gonflement ...

A biaxially oriented film formed from a intimate mixture comprising (I) an aromatic polyester, (II) 0.005 to 1.0% by weight, based on the aromatic polyester, of fine particles of a silicone resin having (a) a composition represented by the following formula (A) RxSiO2-x/2 (A) wherein R represents a hydrocarbon group having 1 to 7 carbon atoms, and x is a number of from 1 to 1.2, (b) a volume shape...

The apparatus includes means for directing a plurality of beams of radiation of different spectral compositions to a sample such as a film or coating. A part of the beams is transmitted through the sample and received by a radiation detector. Another part of the beams reflected by the sample is in turn reflected, preferably by a concave mirror, back through the sample onto another radiation detect...

Premixes of a polyol suitable for polyurethane or polyisocyanurate foam preparation, 1,1-dichloro-1-fluoroethane and optionally additives and/or auxillary blowing agents which do not require a stabilizer to inhibit reaction between the fluorocarbon and the polyol. These mixtures are useful for polyurethane and polyisocyanurate foam preparation.

A process is provided for making a liquid composition of a perfluorinated polymer having sulfonic acid or sulfonate groups in a liquid medium by contacting the polymer with a mixture of 25 to 100% by weight of water and 0 to 75% by weight of a second liquid component such as a lower alcohol, e.g., propanol or methanol, at a temperature of at least 180 DEG C. (at least 240 DEG C. when about 90% t...

PURPOSE:To easily obtain a Bi-based oxide superconductor thin film having weak bond between superconductor particles by depositing a specific constituent component on an unheated insulating substrate using a physical means, heat- treating the laminate and again heat-treating under specific condition. CONSTITUTION:Raw materials such as simple substances, oxides or carbonates of Bi, Pb, Sr, Ca and C...

PURPOSE:To obtain the subject solution having improved coating performance and capable of efficiently forming a high-temperature phase by producing a viscous liquid or get of an alkoxide, organic acid salt or nitrate containing metallic elements of at least Ca, Cu and Pb. CONSTITUTION:An alkoxide, organic acid salt or nitrate containing metallic elements of at least Ca, Cu and Pb is dissolved in w...