A mating system for placing constructions on offshore foundations is described.

PROBLEM TO BE SOLVED: To seal a transmission case with gaskets formed at a relatively low cost regardless of type changes by inserting the gaskets extrusion-molded into a cord shape and having a constant cross sectional shape between a case section and a cover while both end sections of the gaskets are arranged near to each other. SOLUTION: Fitting grooves for fitting gaskets 401 are provided on t...

A first mechanism (S1) moves the closure piston (2) inside the body (1) and lifts the end face of the closing piston from the molding cavity surface to open the vent. When the venting valve is cold, a second mechanism (S2) moves the closure piston head onto its seat to close the vent and permit tool cleaning. During molding when the mold and venting valve are hot, the second mechanism opens the la...

A sealed lead-acid cell is provided with an internal cell restraint (36) which contacts the interior surface of the cell cover (14) and is positioned between the positive plates of the cell and the cover (14), the internal cell restraint (36) cooperating with an external cell restraint (50), such as a plastics coated metal face plate, to direct positive plate growth which occurs in service away fr...

The utility model discloses an air exhaust device for a closed circulating hot water tank. The opening part of a hot water outlet pipe inside a closed circulating hot water tank [1] is connected with an exhaust pipe [3] communicated with the hot water outlet pipe [2]; a fixed position on the horizontal section of the exhaust pipe [3] is connected with a water outlet pipe [4] communicated with the ...

The self-service power system using wind energy as energy source is a new application method. It organically and ingeniously integrates wind-driven generator, accumulator and motor into one body to form a self-service power system which doesn't consume enrgy source and doesn't pollute environment. Said power system can be installed in vehicles and aircraft, etc..

The present invention discloses a film-coating technology on solar glass vacuum heat collector tube for selective absorption of solar spectrum. Said film-coating technology retains the advantages of existent technology, such as high film-coating efficiency and high photothermal conversion efficiency, and eliminates the defects of existent technology, such as infirm film base combination, glass tub...

A self-skinning polyurethane foam comprises: (a) a polyisocyanate component, (b) an isocyanate-reactive component comprising at least one polyol, (c) a blowing agent comprising water and at least one tertiary alcohol, the blowing agent being substantially free of chlorofluorocarbons, (d) a catalyst, and (e) optionally, a chain extender, a surfactant, pigments, and a stabilizer. Preferably, the alc...

The tool comprises a flexible sheath 1 for passing through the forceps channel of an endoscope, an operation wire 2 axially movable within the sheath, a driven part such as HF snare wire 3 (e.g. for cutting off a polyp) at a first end of the sheath and coupled to one end of the wire and an operation part 10 at a second end of the sheath, the sheath and wire being coupled to the operation part for ...

This invention relates to the propagation of yeast for use in brewing and other processes. It aims to overcome the problems associated with traditional propagation methods, such as length of time needed, amount produced, contamination and the production of sub-standard beer by early fermentation cycles. The invention provides a propagator and a method for the propagation of catabolite repressed ye...

In the prodn. of rigid polyurethane foam by reacting org. polyisocyanate, high mol. cpd. contg. at least 2 reactive H atoms and opt. low mol. chain extender and/or crosslinker in the presence of blowing agent, catalyst and opt. additive(s), the high mol. cpd. comprises a mixt. of polyether alcohol(s) (I) with a high functionality of 6-8 and average equiv. wt. of 125-200, polyether alcohol(s) (II) ...

To produce a spacer knit-goods, with variable local levels between facing ground fabrics, the material is produced on a warp knitter and especially a double rib knit Raschel, using two equidistant non-contoured needle bars. The neighbouring fabric sections (A-C) are assembled with the pile yarn segment (PA,PB,PC) lengths either equal to or greater than the gap between the needle bars. In adjacent ...

A flow duct conducts a gaseous second fluid medium in a given flow direction and has a given cross-sectional area and a given hydraulic diameter. A combined feed and mixing device for introducing a first fluid medium into the second fluid medium in the flow duct and for mixing the fluid media includes at least one tube conducting the first fluid medium and having from 0.05 to 10 feed orifices per ...

Provided is a powder and binder system for manufacturing sintered parts from particulate material, and a method of injection molding parts for sintering. The particulate material includes ceramic, metallic and intermetallic powders. Preferably, selected powder particles are coated with one or more additives depending on their shape and surface chemistry to create a powder system. The additives may...

There is provided an iron-based powder composition for powder metallurgy excellent in flowability and compactibility. The iron-based powder composition for powder metallurgy is produced in accordance with a method comprising the steps of: adding to iron-based and alloying powders, for a primary mixing, a surface treatment agent, and in addition, for a secondary mixing, a fatty acid amide and at le...

A tire manufacturing method enabling a tire to maintain a high quality and a tire manufacturing machine of a simple construction and low cost by which improvement of productivity, saving of energy and reduction of maintenance are possible are provided. A tire green-case is manufactured on a drum (4) by the steps of winding a ply (P) round the drum; expanding the drum to enlarge its diameter; posit...

A pneumatic tire according to the present invention has a slit film comprising a resin film comprised mainly of a thermoplastic resin spirally wound at the inner circumference of the tire to form an air permeation preventive layer which substantially covers the inner surface of a carcass layer, and the process for producing the pneumatic tire of the present invention comprises continuously wrappin...

The prepn. of a catalyst for structural isomerisation of a linear 4+c olefin to its corresp. methyl branched isoolefin involves: (a) mixing (i) zeolite powder comprising at least one zeolite with \- one-dimensional pore structure having a pore size sufficiently small to retard by-prod. dimerisation and coke formation and sufficiently large to allow entry of the linear olefin and formation of the i...

It is to provide a method for producing a low-fuming rigid polyurethane foam, which is superior in initial activity at low temperature and requires a small amount of a stock liquid. A method for producing a rigid polyurethane foam, which comprises mixing (a) a polyisocyanate component with a polyol component comprising (b) a polyol mixture, (c) a catalyst and (d) a blowing agent, then foaming the ...

A heat-shrinkable film is provided comprising a copolyester blend of: (a) about 1 to about 98.5 percent by weight of a PETG copolyester, (b) about 98.5 to about 1 percent by weight of a DEG modified PET copolyester having a b* value of less than 15, preferably less than 10, (c) about 0.5 to about 3 percent by weight of anti-blocking agent, and optionally, (d) about 5 to about percent by weight of ...