PURPOSE:To install an electrode group easily into a container by stacking spacers made of an acid-proof member having a swelling property in the electrode group, and applying pressure to the electrode group due to the swelling of the spacers caused by electrolyte. CONSTITUTION:An electrode group is constituted of positive plates 1, negative plates 2, separators 3 and glass mats 4. Spacers 5 is mad...

A modular spacer concept is disclosed for use in centrifuge bores. The arrangement is such that various sizes of tubes are available to allow for different amounts of fluid which may be inserted therein for centrifugation. A plurality of substantially identical spacers are provided, each of which has an effective length equal to a predetermined standard difference in tube sizes. The lower surface ...

In a flotation basin a flotation zone and a pure liquid zone are formed which are separated by filter means. A liquid containing suspended matter is introduced into the flotation zone via an inlet and subjected to pressure release flotation by saturating pure liquid with pressurized gas under a pressure in the range of 3 to 8 bar and injecting the pressurized gas saturated liquid into the flotatio...

A utility device for use in operating upon shell-type food products such as nuts and shell fish, comprising a transverse head and a pair of handles having one end of each pivotally connected within a recess in said head, the handles having opposed curved recesses adjacent the aforementioned one end of each and also having mating flat surfaces extending from the other ends and abutting each other, ...

An apparatus and method for separating particles from a fluid, particulate suspension by flotation in a centrifugal field. The apparatus includes a vertically oriented, cylindrical vessel having a tangential inlet and a tangential outlet. The particulate suspension is introduced into the vessel through the inlet and swirls around the inner surface of the vessel in a thin fluid layer. Air is sparge...

The method of shipping and securing an uncured tire bead filler material to a tire bead ring consisting of initially placing a piece of bead filler material over one of the peripheral surfaces of the bead ring; stitching a filler material first portion to this surface; folding, juxtaposing and thereby adhering a part of a filler material second portion over and on at least the filler material firs...

A flame resistant laminate comprising a length of sheeting of an organic or inorganic material and a polyurethane foam bonded to at least one side thereof, said foam having been rendered flame resistant by treatment with a mixture of an elastomer latex and a flame retarding compound followed by crosslinking of the latex.

A fluidized bed heat exchanger in which a perforated plate is disposed within a housing for supporting a bed of particulate material which is introduced into the housing through an inlet. Air is passed through the plate to fluidize the particulate material and a drain pipe is provided for discharging the spent material from the bed. A plurality of nozzles are provided in association with the perfo...

In the regulation of a motor-drive unit for a motor vehicle having a heat-engine and a continuously variable ratio transmission, in a clutch-engaged phase the heat-engine fuel feed is controlled so that it is a function of the displacement of the accelerator pedal of the vehicle and of the speed of the heat-engine such that the power delivered by the engine is substantially equal to the power requ...

A method for manufacturing a heat insulating pipe having a foamed insulating layer around the outer surface of said pipe. The foamed insulating layer has an expansion ratio of at least 4. It has three integral sub-layers, said sub-layers including a cellular middle foamed sub-layer which is integral with a cellular inner foamed sub-layer and a cellular outer foamed sub-layer, said inner and outer ...

An expandable and curable polyester composition comprising a mixture of a liquid, ethylenically unsaturated polyester resin composition; a peroxide; an organometallic promotor; and a dialkyl or trialkyl hydrazine is disclosed. In addition, a method for forming said expanded and cured polyester resin composition, and the product formed in accordance with said method, an expanded and cured polyester...

Process for uniformly incorporating pigment into fine powder TFE polymers by premixing pigment and ammonium carbonate or bicarbonate, and then adding the mixture to a TFE polymer aqueous dispersion, followed by coagulating the pigment and TFE polymer.

A fiber finish composition, a process for treating polyester yarn therewith and polyester yarn so treated are all disclosed. The fiber finish composition, which is preferably applied as an overfinish to the yarn subsequent to drawing of the yarn, comprises about 60 to 90 weight percent of water; about 0.3 to 10 weight percent of gamma-glycidoxypropyltrimethoxysilane; about 0.05 to 4.0 weight perce...

The electric actuator comprises a deep cup harmonic drive gear train member with an electric motor, brake, tachometer, and resolver disposed therein. The arrangement and coupling of the components provides a high torque-to-weight ratio actuator that is capable of more than 360 DEG rotation.

A method for producing and distributing wet zinc dust to a zinc sulfate purification system or other zinc plant operation is disclosed. The method comprises atomizing molten zinc with high pressure water or other suitable medium, and feeding a predetermined amount of the wet zinc dust to at least one zinc sulphate purification tank or any other zinc plant operation.

Dispositif de détection d'une arrivée de sable dans un fluide se déplaçant à l'intérieur d'une conduite sous pression, comprenant: une sonde tubulaire comprenant un tube fait d'une feuille mince de métal susceptible d'être rapidement érodé, séparant une zone interne de la sonde de l'intérieur de la conduite. Le tube possède une extrémité fermée située à l'intérieur de la conduite dans le trajet de...

The preparation of substrates impregnated with epoxy resins and curing agents therefor is improved by employing as the epoxy resin one which has been prepared by reacting a low equivalent weight epoxy resin having an aliphatic halide content of at least 500 ppm such as a diglycidyl ether of bisphenol A with a dihydric phenolic compound such as tetrabromo bisphenol A in the presence of an alkali me...

This invention relates to a process for forming an olefinic resin on the surface of a metal substrate with high strength of adhesion. The process comprises ¢A! forming a multilayer coated film consisting of an olefinic resin film as a surface layer portion and a cured epoxy resin film as an under layer portion on a metallic substrate by a single coating operation using a multilayer film-forming co...

PURPOSE:To obtain a painting and corrosion preventive coating having long-term corrosion preentiveness and weather resistance by applying synthetic resin paint on a zinc rich paint film and top coating paint contg. a fluorocopolymer and polyvalent isocyanate thereon. CONSTITUTION:Zinc rich paint is coated on a substrate and after the paint is dried at ordinary temp., synthetic resin paint is furth...