A continuous, completely jacketed countercurrent centrifugal extractor of the type utilized to mix and separate two liquids that have different specific gravities and enter through separate inlets. The extractor has at least one overflow weir in a mixing zone between the inlet for the specifically lighter and the inlet for the specifically heavier liquid phase and a division of the mixing zone int...

Polyoxyalkylene surfactants for cellular foams can be prepared by reacting a polyoxyalkylene adduct and an esterified unsaturated dibasic acid in the presence of a free-radical initiator.

PURPOSE:To prevent any adherence between adjacent plates, which might be caused during the initial charge, by forming the plate so that its peripheral part doesn't become in contact with the peripheral part of another plate. CONSTITUTION:The upper figure indicates a part of a plate which adheres to the same part of another plate, while tha lower figure is a magnified sectional figure of the periph...

PURPOSE:To prevent any adherance between plates, which might be caused during the initial charge of the plates, by making the surface of the peripheral part of the plate to hold a non-conductive powder such as glass powder by a scattering method or something similar. CONSTITUTION:Glass powder with a diameter of below 1mm. is scattered on the peripheral part of a plate which is within 10mm. apart f...

PURPOSE:To avoid any adherance between cathodic plates, which is caused during the initial charge of the cathodic plates, by increasing the amount of lead sulfate formed at the peripheral parts of the plates by applying dilute sulfuric acid to the said peripheral parts. CONSTITUTION:Plates are prepared by packing a paste into grids, and are dried for a short time. Next, as illustrated in the figu...

PURPOSE:To reduce operating power of a device, by providing a brake control valve, holdable with pressure in accordance with clutch operation, in one channel, and providing an automatic valve, automatically holdable with pressure in accordance with operation of said control valve, in the other channel. CONSTITUTION:One fluid pressure generating chamber of a master cylinder 2 is connected to brake ...

A tire curing press and method are characterized by a center mechanism operative first to center the top bead of a green tire carcass with respect to the top mold section and then the bottom bead with respect to the bottom mold section, and to hold the beads centered and axially separated as the press closes to cause the beads to register and seat with the toe rings of the top and bottom mold sect...

A system of changing the travelling speed of a working vehicle in which a stepless speed-change means is operated by a pedal. Said system has a cam mechanism by which the pedal may be fixed at the desired position, and a first manual lever for operating this cam mechanism.

An umbrella cover (10, 100) is provided in which a sleeve (10, 100) contains a substantially rigid telescoping support rod (20) which enables the cover (10, 100) to be readily mounted on an umbrella canopy (12) while facilitating compact storage of the cover (10, 100). The lower end of the sleeve (10) may include a flap portion (16) which is folded back to form a cuff (24) prior to lifting the cov...

A ski binding for use both in downhill skiing and cross-country skiing which can be used with either conventional downhill skiing boots or with non-skiing boots through the use of a leg cast which conformably grasps the lower leg of a skier. The leg cast is selectively pivotal relative to a boot plate for cross-country skiing, and vertically releasable from the ski during downhill or cross-country...

An opaque or translucent molecularly oriented film made from a composition comprising at least one linear polyester (preferably polyethylene terephthalate) and 0.5-100% by weight based on polyester of at least one olefine polymer, wherein said composition contains at least one carboxylated polyolefine in an amount of 0.05-50% by weight based on olefine polymer. The composition used for the film is...

A vital digital control system with keyboard inputs for activating at least one output device in response to a manual keyboard selection of a sequence of the predetermined number of operation instructions, including a keyboard encoder for generating a message based on the operation instructions, a vital decoder coupled to the keyboard encoder for identifying each pair of message words and for prod...

PURPOSE:To improve safety by mounting a member for automatically shielding the emission of laser light when the optical axis of the laser light exceeds a prescribed angle range from a vertical line. CONSTITUTION:In respect to a light emitting guide member, a laser scalpel 10 for example, the leading edge of the member is formed like a cone to make it possible to be deeply inserted into the affect...

PURPOSE:To detect an error of a (+1) step-advancing circuit and then to confirm the working of an arithmetic circuit with a simple constitution, by adding a comparator to a microprocessor. CONSTITUTION:A microprogram controller includes an address register 19 which is required to read out a prescribed instruction out of a memory 1 storing the instruction, a(+1) step-advancing circuit 22 which give...

PURPOSE:To perform a desired process at a high speed and in an optimum sequence, by deciding the contents to be processed next, from the contents of the present process and the result of the present process. CONSTITUTION:For a data processing circuit which executes a decision process including a conditional process at a high speed, the output 08 given from a latching circuit 5 is fed to a processi...

PURPOSE:To detect system failure, by storing correct and error data to a memory section, selecting the next address based on the result of processing and detecting if any address is selected with a specified order. CONSTITUTION:A time division AC detection circuit 33 is provided for failure detection of processing system 23-25. This detection circuit 33 detects an output signal of an address modif...

PURPOSE:To detect runaway of a microprocessor, by outputting a runaway signal with a timer set by a decoding output of an address decoder after a specific time. CONSTITUTION:A microprocessor 10, an address decoder 11 and a memory 12 are connected to a bus line 9. An output 13 of the address decoder 11 is connected to a preset terminal 16 of a counter 15 of a timer 14. A clock signal generator 17 ...