2104969 9314186 PCTABS00024 The invention provides dual-skinned membranes useful as one way or rectifying membranes which reduce back filtration of solute molecules in dialysis and which improve nutrient supply and product recovery in membrane bioreactors. The membranes are dual-skinned polymeric materials preferably in the form of hollow fibers. The membranes have skins of polymer on the opposite...

A boss is disposed in a polar opening in a pressure vessel which has a filament wound outer shell and a non-metallic internal liner. The boss has a tubular neck which projects outwardly from the vessel interior and an annular support flange which extends radially from the internal end of the neck and supports the perimeter of the polar opening. An offset attachment flange extends radially from the...

Gear bar particularly for cutter bars of rotary disk-mowers comprising a box-like body (2) which is constituted by an upper (3) and a lower (4) half-shell and supports, inside it, gears for the actuation of the cutter disks and idler gears (8) which mutually connect the actuation gears. The peculiarity of the device is constituted by the fact that it comprises pivots (11) for supporting the idler ...

Quinolone- and naphthyridone-carboxylic acid derivatives of the formula (I) in which B is a radical of the formulae in which Y is O or CH2 and R<3> is C2-C5-oxoalkyl, CH2-CO-C6H5, CH2CH2CO2R', , -CH=CH-CO2R' or CH2CH2-CN, in which R' is hydrogen or C1-C3-alkyl, R<4> is H, C1-C3-alkyl, 5-methyl-2-oxo-1,3-dioxol-4-ylmethyl, C2-C5-oxoalkyl, CH2-CO-C6H5, CH2CH2CO2R', , -...

Quinolone- and naphthyridone-carboxylic acid derivatives The invention relates to new quinolone- and naphthyridone carboxylic acid derivatives, processes for their preparation and also antibacterial agents and feed additives containing them. Le A 28 100

2102807 9313937 PCTABS00024 This invention relates to small particles of cellulose which are useful for liquid chromatography supports, and the like. The application discloses means for making the small, substantially spherical bodies with a near complete absence of irregularities, holes, cracks, and the like. This is made possible by a new process wherein the coagulation of viscose is carried out...

This procedure includes the following steps: - a partitioning of all the carrier frequencies constituting the frequency resource available for this network into batches of unequal magnitude, - an allotment to every site of the network, at the time it enters the network, manifested by a request for frequency allocation for connection between this site and another site, termed the site of first li...

60LT01061 POLYETHERIMIDE/DIMETHYLSILOXANE COPOLYMER ADHESIVE SYSTEM FOR BONDING COPPER FOIL TO POLYETHERIMIDE FLEXIBLE FILMS Broadly, the present invention is directed to a method for making a composite article wherein metal foil is laminated to a polyetherimide sheet. The method comprises applying an adhesive composition to one side of each of two foils of metal. The adhesive composition comprise...

In a radiant heater having multiple heating zones there is provided a first heating zone incorporating at least one heating element and a second heating zone incorporating at least first and second heating elements. A thermal cut-out device includes a temperature sensor which passes through at least the first heating zone and which is responsive solely to heat emitted in the first heating zone. A ...

A bag such as gusset bag or flat bag comprises a tubular bag body having a pair of opposing flat portions constituting front and back side portions of the bag body and side portions, a zipper element mounted on inner surfaces of the exposed inner surface portions of the flat portions and the side portions, and a fused seal portion formed at an end opening portion of the bag body. The exposed inner...

The vehicle consists essentially of a cycle-type frame, skis or the like, carried at the lower ends of two forks, front and rear, a steering system that permits the angle of the front fork and thus of the front ski to be varied permitting the vehicle to be steered, a braking system actuated by levers attached to the handlebars and located at the rear of the vehicle.

The system comprises a device L, to be housed in the hired vehicle, which can read a credit card key to make the vehicle available to the customer; the said device also connects the vehicle via radio to a control centre A to which it constantly transmits all the data relating to the credit card, the movements of the vehicle, the journeys completed, etc. The transmitted data are entered into a comp...

The device consists of a support, with a thickness varying from a few tenths of a millimetre to several millimetres, which is vulcanized and in some variants is overprinted with silk-screened or similar systems and revulcanized or bonded to films carrying positive or negative images, treated by stamping, laser engraving, punching, plotter cutting or corresponding systems, to form the desired shape...

The device comprises a mounting 1 to be attached to the earpieces S, in various positions, provided with a hole 2, grooved or not, for the insertion of a pin with a thread 3 or a wedge 4 or a ring or other attachment part for the ends of the safety cord. The said hole, with possible variations, can be produced directly in the structure 6 of the earpiece, near to the folding hinge C, or at an inter...

The barrel comprises a hollow cylinder with appropriate monolithic internal supports and shoulders for an elastic actuator means with a stem for the passively hidden stop member of the syringe flange from which position it is functionally displaced following a mechanical thrust resulting from the application of pressure to a projecting stem with a contact end member which overcomes the loading of ...

The main combustion chamber (4) has a bottom grate (8) for ash discharge, a loading mechanism (6) for solid refuse (14), a burner (18), and an air supply system (20). The afterburner chamber (3) is coaxial to the main one,with its own burner (19), air supply (21), and a discharge fluid (25). The chambers are separate and of different shapes, connected via an opening (23) narrower than both. The af...

A fluid coupling wherein a tubular coupling member has a first terminal sealingly engageable with an end of a first conduit and a second terminal sealing engageable with an end of a second conduit. The end of the second conduit has a radially outwardly extending retaining flange and the coupling member has a set of radially movable resilient arms which engage the flange when the second terminal is...

The present invention relates to an automatic system for controlling reverse osmosis processes in industrial installations for treating effluent from animal husbandry. The system according to the invention provides for the insertion, in a reverse osmosis installation, of probes capable of detecting the instantaneous values of a plurality of variables, such as temperature, quantity permeated, press...

A description is given of a manually operated printing labelling machine with progressive numbering, which can be used to apply labels in succession with a series of fixed numeric or alphabetic characters next to numbers increasing according to a single or repeated progression. The labelling machine essentially comprises, in addition to the lever operating devices provided, a printing unit having ...