The efficiency of producing liquid products from a cryogenic air separation process using a distillation column system having at least a high pressure distillation column (902) and a low pressure distillation column (904) in thermal communication with each other and in which system the low pressure column (904) operates at a pressure of 60 to 520 kPag (9 to 75 psig) and at least 50% of the feed ai...

A vacuum cleaning unit (2) has a motor driven suction stage with an associated collector (8). The motor is supplied with power from the mains via a long cable (5) that is wound onto a reel in the base when not in use. The reel is free to turn about a centre spindle that extends into the rotor (13) of the motor. Power is transferred between the cable and the motor with the aid of a slip ring (22,23...

In a method for the rapid determination of concentration-dependent parameters in a measurement series, in particular for the determination of dose-action relationships, the solutions to be measured in each case are fed into chambers arranged with a radially symmetrical alignment on a round tray. The chamber to be measured in each case is transported to a point underneath the measuring device by a ...

The polarised solenoid actuator consists of a V shaped yoke (1), a cover plate (2), an excitation coil (3), a cylindrical coil former (5) and an armature bar (6). Set onto the base of the yoke is a core element (7), formed as an electromagnetic pole piece. The end of the armature has a reduced diameter (8) at one end to provide a location for a coil spring. Set on either side of the yoke arms are ...

A method for forming a sintered hard metal composite is provided in which unsintered nodules of a pre-blended hard metal powder of a first grade are uniformly dispersed into unsintered nodules of a pre-blended hard metal composite of a second grade. The pre-blended hard metal powders form a composite powder blend which is subsequently pressed and sintered to form the dispersion alloyed hard metal ...

The logic cards for a main storage unit or computer logic which receive request operations for access to portions of the memory or logic are divided into banks or elements. When a request operation attempts to access one of the elements a return busy signal is raised from that element. The present invention structure generates a predicted busy signal which occurs during the same time the return bu...

A timer circuit includes a counter circuit that continuously provides an output of an iteratively increasing sequence of bits. The timer includes a timeout data circuit that forms a timeout data word from a specified time period and a first counter circuit output. A register is provided that stores the timeout data word at an address formed from a second counter circuit output. A comparison circui...

A process for making flexible polyurethane foam, employing a silicone surfactant composition containing 5-20 wt % of a defined low molecular weight silicone surfactant and 95-80 wt % of a defined high molecular weight silicone surfactant. Use of the claimed mixture of surfactants provides product foams having improved breathability relative to foams produced using high molecular weight silicone su...

A cap (10) for dispensing liquids from a container (1) comprising a base portion; means to attach the base (14) portion to a container (1); and an off-center dispenser tip (12) projecting from the base (14) portion and having a passageway (20) extending between an orifice (22) at the distal end of the dispenser tip (12) and the interior underside of the cap (10), the axis of said passageway (20) f...

An abnormal message detecting and processing apparatus comprises an example message storing part (30) for storing examples of normal messages, a variable field information storing part (32) for storing information of a location of variable fields in the example messages, and an abnormal message detecting part (34). The abnormal message detecting part (34) compares input messages (36) with the exam...

A tire building device wherein a unistage drum (6) presents an inner shaft (7) having an intermediate portion fitted with an inner stitching device (11), and two end portions located on opposite sides of the stitching device (11) and supporting two half drums (12,13) connected to the inner shaft (7) via the interposition of respective slides (18), each of which is connected, on one side, in slidin...

Prodn. of interlocking metallic parts, which slide over each other under pressure, comprises mixing a non-metallic molecular material in powder or granular form with the metal powder of the metallic particles produced in powder spray casting. This material is inert towards the metal and is resistant to temps. up to 900 degrees C. A ceramic, e.g. BaSO4 or TiO2, or C60 fullerene is added to the meta...

An optical system comprises photosensors 12, illumination means 10 and light guides 11. The objective 8 or end piece of the optical system is positioned against a glass pane 6 of the fibre shaft. An end lens 7 is provided at the objective 8, the end lens 7 engaging or being adhesively bonded to the glass pane 6. With no space between the lens 7 and glass pane 6, dust and uncontrolled light influen...

A splicing machine, esp. for butt joining of textile cord reinforced strip comprises a conveyer belt for moving the front edge of the strip to be spliced up the rear edge of an already spliced strip on a table (43) and a splicing unit (5) with two conical wheels (7) and an opposing pressure roll (8) which move together in a horizontally moveable splicing head (1). The splicing head (1) has a first...

The bottle or receptacle may be for medicine which may be in liquid form. The end of the disc-shaped elastic sealing element (40) pointing towards the receptacle (10) has a flange (42) all round welded to the base of the cap (22). The side of the cap facing the bowl-shaped recess (26) has a fixture flange (24) which is sealed to a counter-flange (12) of the receptacle containing medicinal fluid.

A lift truck 1 with telescopic arm 3 has a front axle assembly 6 and a rear axle assembly 7 and mechanical transmission means for transmitting the movement of the motor power unit 5 to the front 6 and/or rear 7 axle assembly or assemblies. The motor power unit 5 is arranged transversely with respect to the truck 1 and the mechanical transmission means are situated in a central position.

A fluid dispensing system for delivering sterile preservative free solution is disclosed. The system uses double self-sealing valves mounted in series inside a tip compartment which fits on the outlet of a multiple dosage squeeze container to prevent undesirable retrograde flow of the dispensed liquid back into the bottle during the decompression cycle. The valves used are positive acting, normall...

A process for preparing a cellular polymer containing perforated cell windows in the presence of a perforating agent being a substance that has a critical surface free energy of less than about 23 mj/m2 is disclosed. The cellular polymers obtained according to this invention have a fine cell structure and show enhanced dimensional and thermal insulation stability. The invention also relates to rig...