A fluid distribution system for a fluid separation module having a bundle of hollow fiber membranes positioned in a cylindrical shell and extending through a tube sheet positioned in an enlarged end portion of the shell, the enlarged end portion of the shell having therein an inlet opening for a fluid mixture, wherein a first sleeve attached to the tube sheet and surrounding the bundle of fibers e...

An aerator for liquids, particularly an aerator for water, includes at least one aerating basin and a plurality of immersible elongate bodies, which are contained in said basin and secured to the peripheries of wheels, which revolve about an axis that is parallel to the surface of the liquid in the aerating basin. As a result, each immersible body emerges entirely out of the liquid on one side of ...

PURPOSE:To make it feasible to bend leads doing no damage to the surface thereof by a method wherein leads projecting from a resin part protecting a semiconductor element are bent downward to be formed b y means of water jet stream. CONSTITUTION:a resin part 5 of semiconductor device 6 is contained in a hollow coatining part 9 formed by supporting jigs 7, 8 while leads 10 partly projecting outward...

Apparatus for opening flattened cartons having a pair of minor flaps and a pair of major flaps. A constant speed conveyor carries a horizontally disposed flattened carton across an actuator having a cam surface. The cam surface moves upward to fold one pair of major and minor flaps upward and then downward to fold the other pair of major and minor flaps downward. A clamp grasps the upward folded m...

Two dissolved gas components in sample water, for example, oxygen and hydrogen in core water, are readily quantitatively determined in one and same membrane-type oxygen meter by using a membrane producing an overlapped potential region where a potential region for an oxidation limiting current plateau is overlapped with that for a reduction limiting current plateau between two dissolved gas compon...

The sensitivity and, especially, the selectivity of a polarographic device can be increased by using an ion selective electrode as the working electrode in the electrochemical cell. The cell is a high sensitivity gas detector which is reliable in operation and which is particularly suitable for use in the field of environmental protection. Especially silver/silver iodide electrodes used in various...

A method of producing a black ceramic powder material and a black ceramic body containing the powder by means of conventional techniques, which comprises using industrial wastes and/or natural ores, optionally together with additives as starting materials, containing at least 0.1 -- 20 w.t. % titanium dioxide. Use of the black ceramic powder as a pigment or a filler, or a heat or light absorbing ...

A two component tablet for cleaning and disinfecting toilet flush tanks which adhere to the tank and will not be washed away and/or decomposed comprising extruded component A consisting essentially of (a) 25 to 50% by weight of an alkylbenzene sulfonate, (b) 0 to 40% by weight of inorganic alkali metal salts, (c) 0 to 10% by weight of at least one plasticizer, (d) 5 to 20% by weight of at least on...

Filaments of polyester or fibres produced therefrom drawable with molecular orientation and having a double refraction of from 0.004 to approximately 0.12 and an individual denier of less than 2.5 dtex. In a process for the production such filaments undrawn filaments are permanently plastically extended while being passed through a water bath kept at a temperature of from 93 to 100 DEG C and are t...

A waterbed mattress has a baffle structure that comprises a horizontally extending pad of bouyant material with a plurality of chambers depending therefrom. The chambers can be hemi-spheroidal. The chamber walls having water metering holes therethrough.

An armchair includes a back, a pair of siderests and front legs, which are secured together by fasteners in a position for using, and can be disassembled for being stored, shipped, and so on, or replacing one part thereof with a part equivalent in function but different in style. The fasteners include bolts and cylindrical members each having horizontal thread hole for screwing with the shank of a...

A machine for converting tubular plastic film from flat fold to pleated fold cross section which includes self-contained radio controlled inflating capsule positioned within the tube to inflate it as the gussets are being formed by conventional forming or plowing mechanism.

A material for enhancing the conductivity and protecting electrical contacts, the material having two basic components. The first basic component normally serves to limit corrosion between the contacts and to suspend and suitably distribute the second, or conductive component. This first component, or carrier medium, may be one or more of the following: rosin-derived hard resin, petroleum jelly, p...

A photograph artwork containing a one to one scale exact image of the circuit pattern to appear on a fabricated printed-wiring board is modified in a predetermined manner. This has the effect of equalizing the amount of metallic conductive circuits on a double sided printed wiring board or panel. The resulting board or panel is plated uniformly on both sides when passed through the electrodepositi...

Apparatus for making corner joints of sealing plastic profiles, or moldings, for windows, doors or the like, including a base plate on which two profile holding means, each having a bottom formed with a groove for accommodating the continuous profile to be held and a pivotable lid for covering or opening the accommodating groove are mounted, one fixedly and one pivotally. A welding means pivotable...

Disclosed are carbostyril derivatives and their salts of the formulas The compounds have anti-peptic ulcer effects, and are useful as a treating agent for curing peptic ulcers in the digestive system, such as ulcers in the stomach and in the duodenum. The compounds particularly have prophylaxis and curing effects for treating chronic ulcers, for example experimental acetic acid-induced u...

PURPOSE:To impregnate a sliding surface with lubricating oil, to prevent the production of abrasive powder to eliminate the possibility of an increase in optical coupling loss, and to prolong the life of the optical connector by forming one or plural grooves in the outer peripheral surface of a ferrule which is inserted into the axial center hole of a housing in parallel to the axial center. CONST...

PURPOSE:To improve reliability at low cost by pressing a collar which has ruggedness for coupling with an internal-diameter part in a circumferential direction in the outer periphery of a ferrule where an optical fiber is fixed in its center, and fixing it at a specific position of the ferrule. CONSTITUTION:A hole 11 into which the primary coat part of the optical fiber is inserted and an optical ...

PURPOSE:To provide an adhesive agent which is easily workable, progresses curing even in the part where UV rays are not transmitted and has excellent adhesiveness by mixing a UV-curing adhesive agent and cold-setting epoxy resin adhesive agent, interposing the mixture composed thereof between optical parts and fixing parts thereof then irradiating UV rays to the interposed parts. CONSTITUTION:The ...

A light-sensitive photographic material is provided which comprises, coated on a photobase, at least one silver halide emulsion layer, said emulsion layer or a layer adjacent thereto containing a development inhibitor releasing compound of the formula wherein R1 is substituted phenyl which contains a ballasting alkyl group, R2 represents the atoms necessary to complete a five or six memb...