PURPOSE:To drive a slewing base and a working base synchronously by connecting an outer gear for turning the slewing base above a mobile vehicle with an outer gear below the working base provided in a freely turnable manner biasedly above the slewing base by an intermediate shaft with a pinion. CONSTITUTION:A horizontally turnable slewing base 14 is provided above a mobile vehicle 10, and a workin...

PURPOSE:To regulate forward tilt of the seat by installing another hinge shaft above the hinge shaft for a seat bottom and a seat back and locking a seat by a locking device in normal case and releasing the lock only when the seat back is tilted backward. CONSTITUTION:A seat bottom 6 and a seat back 4 are connected together through a knuckle bracket 8 and a hinge bracket 10, by means of the first ...

PURPOSE:To lock a seat at all times by means of a locking device by installing another hinge shaft above the hinge shaft for a seat bottom and a seat back and to release the lock by examining the opening of an engine cover when the seat back is tilted forward. CONSTITUTION:A seat bottom 5 and a seat back on the upper surface of an engine cover 10 are connected together by the first and the second ...

PURPOSE:To reduce thermal distortion by a method wherein protrusions are formed on the regions of a heat conducting plate that are not in contact with semiconductor devices. CONSTITUTION:Several semiconductor devices 10 are fixed face down to a substrate 9 by balls 11. The rear surface of the substrate 10 is plated with a metal film by evaporation and the metal film is provided with a piece of thi...

PURPOSE:To protect a semiconductor element against a danger due to an electrostatic puncture and other electric cause by a method wherein a conductive layer to short-circuit an external lead is formed on an outer surface of a package. CONSTITUTION:To a package substrate 11 for a semiconductor device composed of a ceramic material, an inner wiring pattern 12 and an outer lead 13 are arranged and th...

PURPOSE:To realize adjustment of the height of a sheet with a small force of operation by improving a support position, structure and the like of a link of a lifter supporting a sheet frame through the plural number of links in such a manner as said frame is movable vertically to a car body. CONSTITUTION:At the time of operation for raising the height of a sheet, a center gear 19 is rotated in A d...

PCT No. PCT/GB87/00676 Sec. 371 Date May 23, 1988 Sec. 102(e) Date May 23, 1988 PCT Filed Sep. 24, 1987 PCT Pub. No. WO88/02420 PCT Pub. Date Apr. 7, 1988.A boom H for a vehicle A which carries a working implement K to enable operations to be carried out such as excavation or loading, comprises first (11) and second (10) parts, the first part (11) carrying the working implement (K) and the second ...

Earth-moving vehicle which performs the functions of excavator and loader both carried out at the same end of the chassis thereby avoiding duplication of operator seating and controls. The excavator/loader has an operating arm in two sections (6, 9), the first of which (6) may be pivoted into a position which is roughly vertical or inclined rearwardly, for the loading function. The first arm secti...

A method and apparatus for biological aerobic treatment of wastewater wherein oxygen is induced into a mixed liquor flow path and a method and apparatus for separating the liquid withdrawn from the mixed liquor flow path into a clear liquid stream and a flock laden stream. A streaming specific gravity separator of unique construction and operation separates the mixed liquor into a clear liquid str...

A curable composition comprising (A) a monomer mixture containing as an essential component thereof a mixture of 20 to 80% by weight of an aliphatic polyfunctional (meth)acrylate and 80 to 20% by weight of an aromatic vinyl compound, (B) an inorganic filler having an average particle diameter of not more than 5 microns, and (C) a catalytic amount of a polymerization initiator, and having said inor...

An arrangement for automatically changing clamping jaws of the chuck of a machine tool having a turning carriage and a cross-slide rest. A clamping jaw magazine has guides for the clamping jaws stored therein which may be aligned with the clamping jaw guides of the chuck. A transfer device has a transfer element which is displaceable in the direction of the alignment guides, and this transfer elem...

In apparatus for producing corrugated thermoplastic tubing and which comprises a pair of complementary upper and lower mold assemblies each having an endless array of articulately interconnected mold blocks which are driven along a forward run and back along a return run, the mold blocks co-operatively interengaging in pairs along said forward run to form an axially extending tubular mold tunnel, ...

PURPOSE:To improve productivity by a method wherein the open-and-close positions of a drum are detected, the relative positions are displayed digitally and interlocked with a digital switch. CONSTITUTION:The open-and-close positions of drums 4a and 4b are detected by a rotary sensor 30, signals of the open-and-close posotions are sent from an input circuit 35 to a display drive circuit 37 and the ...

A composite material comprising reinforcing carbon fibres in an epoxy resin matrix is manufactured by stacking alternate layers of resin impregnated fibre and polyester release film, and compressing the stack between shaped formers at a temperature below the resin cure temperature. The layers are than separated and the release film discarded. After re-stacking, the fibre layers are autoclave mould...

In the preparation of high-slump concrete mixes, for preparing a make-up medium, cement is mixed with make-up water in a mass ratio of from 1:1 to 1:1.5; a yeast-sulphite waste liquor in an amount from 0.03% to 0.1% of the mass of cement in the concrete mix is added to the resulting mixture, and after that the make-up medium thus formed is subjected to pulsed vibrations, the frequency of medium pu...

The method is for producing homogeneous flat articles with a coloured design on the basis of thermoplastic materials, in particular on the basis of PVC, in which free-flowing powders or particles are poured continuously onto a supporting belt to form an even layer and, under the effect of heat until plasticising of the thermoplastic material, initially sintered to form a coherent porous flat artic...

Cementing compositions having improved fluid loss capabilities for use in oil, gas, water and other well cementing operations comprise water, hydraulic cement and a fluid-loss additive comprising a graft polymer comprised of a backbone of lignin, lignite, derivatized cellulose and various synthetic polymers selected from the group consisting of polyvinyl alcohol, polyethylene oxide, polypropylene ...

The device includes a parent microcontroller in a bond-out version and a derivative microcontroller in a non-bond-out version, in order to emulate the derivative microcontroller. To this end, the parent microcontroller is connected to an external program memory by means of memory connection pins. The derivative microcontroller comprises an additional functional processing facility, an internal pro...

PURPOSE:To obtain a socketed pipe continuously by a method wherein a socket forming core mold is fitted on a core mold which moves axially while rotating, a pack of a molding material with a covering material is fed to a stepped portion, the pack is molded under pressure and hardened, and then the core mold is drawn out. CONSTITUTION:A socket forming core mold 2 having a side wall forming a face r...

Novel polyprenylpeptides of the formula wherein X is peptide chain of H-Tyr-Pro-Glu-Ile-Ser-Trp-Thr-Arg-Asn-Gly- or H-Glu-His-Asp-Pro-Ser-Ala-Pro-Gly-Asn-Gly-Tyr-; Y is carboxyl which may be amidated or esterified with C1-3 alkyl; and n is integer of 3,4 or 5, have the stimulating effect on the mating tube formation of yeast.