PURPOSE: To provide a decanter centrifuge capable of stably proceeding operation in upside overflowing condition working together with a liq. discharging weir at the inside of radius direction of the heavy phase discharging weir. CONSTITUTION: The centrifuge is a decanter centrifuge having flights 18 only within the cylindrical portion 20 of the centrifuge bowl 12 and having the other screw convey...

PURPOSE:To facilitate maintenance and to efficiently purify water without generating environmental pollution by storing compressed air obtained by an air compressor driven by wind force in an air tank also used as a float and using the compressed air in the air tank in the purification of water. CONSTITUTION:Three of more air tanks 2 also used as floats are provided to the lower part of a platform...

PURPOSE:To obtain a method for producing a sipe forming blade for a tire molding die with a crack preventive effect, an ease of manufacture, and a superior productivity. CONSTITUTION:A plurality of through holes 5 are provided on an end part of a sipe forming blade 1 in the longitudinal direction thereof. A liquid resin or molten metal is adhered to the end part including the through holes 5. The ...

PURPOSE:To achieve an optimum maneuverability even if a vehicle is under a travel condition where the engine drive force is near zero by providing a drive force control means to control a generated drive force from a drive source so that a shortage of a detected drive force can be compensated, when it is judged that the detected drive force is short of a reference drive force based on a required y...

PURPOSE: To provide a yarn guide rod provided with a simple structure and capable of withstanding continuous loads over the long operation time. CONSTITUTION: In this yarn guide rod 6 for a machine for manufacturing cross- wound bobbins in a form composed of partial rods mainly formed of fibers buried in a plastic matrix and connected with each other in an axial direction, the fibers buried in the...

PURPOSE: To improve the quality of processed yarn by allowing synthetic yarns to travel in parallel while immovably maintaining the prescribed intervals between plural processing stations successively arranged with certain angles with each other and enhancing the adaptability to processed surfaces. CONSTITUTION: The synthetic yarns 2 and 3 in a drawing texturing machine are wound in parallel to ea...

Apparaat voor het reinigen van mosselen en andere schelpdieren, dat een om zijn as (4) draaibaar gemonteerde trommel (1) bevat, waarin de te reinigen mosselen (18) of andere schelpdieren en waswater kunnen gebracht worden, waarbij deze draaiingsas 84) schuin of horizontaal ingesteld is of ingesteld kan worden.; Machine for cleaning mussels and other shellfish, that contains a drum (1)mounted to tu...

A front jaw having two laterally spaced toggle levers which can be swung out against the force of a release spring housed in a housing and through which housing extends a pull rod. In order to cause in this front jaw during a backward twisting fall an initial tension of the release spring and thus a reduction in the work of the swinging-out toggle lever, the invention provides that the two shorter...

A thin pipe connecting joint comprises: a joint body including retaining walls bent individually from the two end portions thereof, and an assembly hole extending through the axis thereof; and a pair of pipes including engagement walls formed at their end portions to be connected and adapted to be brought into abutment against each other, elastic seal ring members assembled on the individual back ...

PCT No. PCT/JP90/00183 Sec. 371 Date Oct. 15, 1991 Sec. 102(e) Date Oct. 15, 1991 PCT Filed Feb. 15, 1990 PCT Pub. No. WO91/12127 PCT Pub. Date Aug. 22, 1991.A method and a device for applying an apex (13) to the outer peripheral surface of a bead ring (12) prior to assembling a bead portion with a tire carcass in manufacture of an air-filled tire, wherein the apex is fed from one end thereof to t...

There is provided a polyester film useful for production of a magnetic recording medium excellent in runnability, electromagnetic conversion characteristics and storage stability. In the polyester film, a continuous thin film which contains a resin as a matrix and acts as a primer layer for a magnetic layer is coated on one surface of a support film composed of a polyester. According to one embodi...

According to the present invention there is provided a polyester composition comprising an aromatic polyester having copolymerized therein a compound containing at least one sulfonic acid group or sulfonic acid metal salt group, and crosslinked polymer particles, preferably crosslinked polymer particles coated with a water-soluble polymer. The particles are incorporated in a slurried state into th...

A method for determining the amount of an analyte in a sample fluid utilizing an assay element which comprises at least one reagent layer. The assay method includes the steps of optically reading a signal producing species, e.g., a fluorescent label, a first time prior to depositing the sample fluid on the assay element and a second time, at the same wavelength and in the same location within the ...

The present invention relates to an improved process for producing, by means of a portable foaming apparatus having a static mixer, a polyurethane foam by reacting a reaction mixture comprised of a polyol, an organic isocyanate, a foaming/frothing agent, and a reaction catalyst, the improvement comprising employing monochlorodifluoromethane as the sole blowing/frothing agent in said reaction in or...

A universal fitting for a receptacle for the introduction or the withdrawal of an inoculum comprising: a body portion (14) including means for receiving a needle (26) for passing an inoculum into or out of a receptacle; and an annular skirt (15) extending from said body portion for positioning over a liquid entry portion of said receptacle, said skirt having an internal surface (30) and a pluralit...

PURPOSE:To hold reliably ring bodies R being different in a diameter in a large degree, by a device of which the manufacturing cost is small. CONSTITUTION:When the diameter of a ring body R changes in a large degree, a holding body 45 is moved in the radial direction by making parallel links 41 swing synchronously. Since each holding body 45 is joined to the equal-length parallel links 41 in a pai...

The invention relates to thermocurable, expandable one-component polyurethane/blowing agent compositions which are mixtures of a) an NCO prepolymer which is liquid or at least pasty at room temperature and which is obtained by reacting an organic polyisocyanate with a polyhydroxyl compound, b) a solid, finely divided polyhydroxyl compound which contains on average at least two hydroxyl groups pe...

THE USE OF 1,1,1,4,4,4-HEXAFLUOROBUTANE AS A BLOW AND INSULATING GAS FOR THE PRODUCTION OF FOAM PLASTICS This invention relates to an improved method of preparing closed cell foams using 1,1,1,4,4,4-hexafluorobutane as a blowing agent and insulating gas in the production of such foams, including isocyanate-based foams such as polyurethane foams and polyisocyanurate foams.

Apparatus as an aid while performing bent knee sit-ups, comprising, in combination a strap of material adapted to extend and be positioned over the ankles of a person doing bent knee sit-ups, when in a deployed orientation, but adapted to be rolled up when in a storage orientation; a pair of assemblies, each assembly having a hollow base in a rectangular configuration with a slot within the upper ...

In a preferred embodiment, an apparatus to assist in building stomach muscles by a user performing situps with the apparatus, the apparatus comprising first and second anchoring devices disposed on a horizontal surface, devices to position the first and second anchoring devices spaced apart a selected distance, and attaching devices to releasably attach first and second feet of a user to surfaces ...