baber/WOPTO huggingface dataset:
Patent CA-2013561-A1 (CA)
Title: Electromagnetically controllable membrane pump and use thereof
Inventor: HARANT ANTON
IPC: F04B43/04
Filed: 1990-03-30
Abstract: ABSTRACT      An electromagnetically  controllable double  membrane pump  is  disclosed  having  the  following  features:   A piston  is  axially moveable  in  a  hollow  cylinder.   A membrane  is  clamped  around  its  periphery between  end cover  plates and  the  hollow cylinder  in the  region of each  end face.   The membrane  is connected  centrally to the piston.   The  piston has an  axial through-bore,  and the  space  between  the  membrane  and the  piston,  the through-bore and the space between the  other membrane and the piston are  filled with an incompressible liquid.   At least one excitation  coil on  the outer periphery of  the hollow cylinder  is adapted, when excited, to displace the piston  into an  end  position.   On  de-energisation  the piston  is  returned  to  the  other  end  position either because  of mechanical  loading or  through excitation  of another  excitation  coil.   The  stroke  movement effects displacement  of the membrane  relative to  the respective cover  plate until it abuts therewith, in  such a way that a swept space  of variable volume is formed  therebetween.          A  medium to be conveyed can be sucked into this space via an  inlet opening  and can  be  discharged  via an  outlet opening  by  the  other  stroke  movement,   valves  being advantageously provided which assist this.      Double membrane  pumps of  this kind can  be used  in balancing systems and, in particular, in haemodialysis.
Patent CA-2014139-A1 (CA)
Title: Thermionic emitter and method of manufacture thereof
Inventor: SPANGLER GLENN E
IPC: H01J49/26
Filed: 1990-04-09
Abstract: A thermionic emitter for providing positive ions incorporates a mixture of beta-alumina and inert material, such as charcoal, positioned on a filament for heating the mixture. Alternately, the invention may incorporate beta-alumina with inert material, such as nickle, deposited in selected areas. As a result, the thermionic emitter overcomes the problem of generating positive ions with low power consumption.
Patent CA-2015260-A1 (CA)
Title: Manually actuated dispensing pump sprayer having a removable nozzle locking element
Inventor: KNICKERBOCKER MICHAEL G
IPC: B05B11/00
Filed: 1990-04-24
Abstract: There is provided a manually actuated liquid dispensing pump having a discharge nozzle mounted on the pump body adjacent a forward end of a  shroud  cover provided for the body with the nozzle being rotatable between open and closed discharge positions.  A removable locking element is provided for preventing rotation of the nozzle from a closed position while upon removal of the locking element, the nozzle may be rotated  to its open position.
Patent CA-2016416-A1 (CA)
Title: Liquid/liquid catalytic sweetening process
Inventor: BRICKER JEFFERY C
IPC: C10G27/06
Filed: 1990-05-09
Abstract: "IMPROVED LIQUID/LIQUID CATALYTIC SWEETENING PROCESS"                      ABSTRACT   A liquid/liquid sweetening process for catalytically oxidizing mercaptans in a sour hydrocarbon fraction is improved by the addition of a quaternary ammonium compound to the alkaline solution which contains a metal chelate catalyst such as a metal phthalocyanine and which in combination with an oxidizing agent has been used in the prior art as the sweetening agent. A preferred type of quaternary ammonium compound is a surfactant quaternary ammonium compound. A synergistic effect between the quaternary ammonium compound and the metal chelate is observed.
Patent CA-2018105-A1 (CA)
Title: Process to make juice products with improved flavor
Inventor: WALKER JAMES B
IPC: A23L2/08
Filed: 1990-06-01
Abstract: TITLE Process to Make Juice Products with Improved Flavor Abstract A membrane process for producing a juice product with improved quality comprising feeding a single strength juice to a plurality of microfiltration/ultrafiltration stages wherein the first stage is a microfilter having a membrane pore size smaller than the spoilage microorganisms but substantially larger than the flavor and aroma molecules and wherein subsequent stages are ultrafilters having membranes of decreasing pore size.
Patent CA-2018325-A1 (CA)
IPC: C04B41/45
Filed: 1990-06-05
Abstract: A method and apparatus for preserving masonry structures having embedded structural or reinforcing steel rods by applying a liquid preser-vation material to the surface of the structure and injecting the material into the structure using the blasting force of compressed air.  Separate mani-folds having outlet nozzles are provided for the air and for the liquid.  The manifolds and their nozzles are arranged so that, as the liquid is applied to the surface of the structure, the air injects it into the interior of the structure to coat the reinforcing steel and the surfaces of the interstices of the masonry granules of the structure.  The air acts as a fluid hammer.  The preservation taking place is without the need of disturbing, breaking open or repairing the concrete, brick or masonry granular surfaces.
Patent CA-2018547-A1 (CA)
Title: Electromagnetic insect control
Inventor: STEED WILLIAM G
IPC: A01M1/22
Filed: 1990-06-08
Abstract: ABSTRACT OF THE DISCLOSURE     A device which uses electromagnetic radiation to destroy insects, their eggs, and their larvae.
Patent CA-2021882-A1 (CA)
Inventor: GOLIAS TIPTON L
IPC: B01L99/00
Filed: 1990-07-24
Abstract: ABSTRACT OF THE DISCLOSURE          Apparatus for securing pump mechanisms to test tubes sealed by a closure such that the contents of the test tubes may be discharged without removing the closure.  The apparatus includes a rack for holding a plurality of pump mechanisms, each of the pump mechanisms including a downwardly extending needle or the like for penetrating the closure of the test tube.  The test tubes are arranged within a tray in a plurality of rows, and each row is sequentially advanced into position.  As each row is in position, the pump mechanism is moved toward the row of test tubes to penetrate the test tube closures.  The pump mechanisms thereafter released, the rack filled with a next series of pump mechanisms, the test tube array indexed, and the cycle of steps is repeated.  The pump mechanism needles are initially imbedded in a protective packaging.  The apparatus strips away the protec-tive packaging to expose the sharpened points or tips of the pump mechanism.
Patent CA-2022307-A1 (CA)
Title: Computer input device with automatic key input and storage
Inventor: MURA MASAYUKI
IPC: H03M11/04
Filed: 1990-07-25
Abstract: ABSTRACT OF THE DISCLOSURE      An input device for a computer, which is used for executing a program in a computer by inputting a command and data, temporarily stores the contents of a series of inputs from an input unit in an auxiliary storage unit, and generates an input interrupt by reading the contents of the series of inputs from the auxiliary storage unit.  In a method for input interrupt in a computer, which is used for generating an input interrupt in response to an input from an input unit, an interrupt is generated collectively for the contents of a series of inputs from the input unit.
Patent CA-2023572-A1 (CA)
Inventor: WEISSE DICK O
IPC: E04C2/32
Filed: 1990-08-17
Abstract: TETRAHEXAGONAL TRUSS STRUCTURE AND METHOD            ABSTRACT     A lightweight, high strength moldable structure is comprised of a core having a plurality of interconnected cavities  (12).   Each solid-walled cavity  (12)  has a hexagonal base (24) so that the core of the structure has upper and lower surfaces.  Each solid-walled cavity (12)  has  a unique  tetrahexagonal  shape  in which  a regular tetrahedron is located on top of and integrated with a hexagonal base (24).  The walls of the cavities may be solid or they may be defined by a series of support struts  (63,  64)  for an even lighter weight structure.  The upper and lower surfaces may be cover-ed by skins (14, 16), making it suitable for boat hulls, vacuum chambers, and aircraft.  The hexagonal bases of the  solid walled  cavities  (12)  may be  replaced by perpendicular support walls (236, 242, 252) extending between  the  adjacent  tetrahedral  apices  (232,  234) and/or hexagonal base vertices (254).
Patent CA-2024534-A1 (CA)
Inventor: BANSAL RAVINDER M
IPC: G06F13/38
Filed: 1990-09-04
Abstract: A  plant control system includes a plant control network for  performing  the  overall  supervision of a process being controlled.  The plant control network has at least one external  bus  for  operatively  connecting  a  corresponding interface  apparatus  to the plant control network.  Further, each interface  apparatus  interfaces  with  at  least  one predetermined  field  device,  each field device being a type having a corresponding predetermined signal type.  The interface  apparatus  comprises  a controller for controlling the  input/output (I/O) of the interface apparatus.  At least one  I/O  module,  connected  to the controller, preprocesses information  signals  to  and  from  the predetermined field device connected to the I/O module.  The preprocessing is a translation  between  the signal type of the field device and signals compatible with the controller.
Patent CA-2025113-A1 (CA)
Title: Agent for preventing infection with antibiotic-resistant staphylococcus
Inventor: SHIMAMURA TADAKATSU
IPC: A61P31/04
Filed: 1990-09-12
Abstract: An agent for preventing the infection with an antibiotic-resistant staphylococcus, which comprises containing tea or a tea polyphenol compounds as an active component, is disclosed. This agent has a strong antibacterial activity to an antibiotic-resistant staphylococcus, and since the agent comprises tea daily drunk in a large quantity as the active component, there is no fear of occurrence of an adverse side effect.
Patent CA-2025644-A1 (CA)
Inventor: VELDHUIS HINDRIK
IPC: G06F21/10
Filed: 1990-09-18
Abstract: Record carrier, method of and information recording device for obtaining such record carriers, and information recording device comprising anti-copy means to inhibit unauthorized copying.      A record carrier is disclosed carrying subcode information in addition to the main information. The subcode information comprises "copy" bits of alternating logic values (Figs. 3 and 4) to indicate that the recorded information is a copy. Moreover, a method and recording device (Fig. 5, 72) for obtaining such record carriers are described. Finally, a recording device (71; 72) is described, which comprises a detection circuit (85) which detects the presence of "copy" bits of alternating logic values in the received information, and which comprises a decision circuit (94; 95) for deciding whether recording of the received information is allowed depending upon the detection of the presence of the "copy" bits of alternating logic values.
Patent CA-2028814-A1 (CA)
Title: Electrostatic information recording medium and electrostatic information recording and reproducing method
Inventor: IIJIMA MASAYUKI
IPC: G03G15/05
Filed: 1990-03-15
Abstract: ABSTRACT   The electrostatic information recording medium according to the present invention comprises an electrode layer and an electric charge retaining layer.  By improving the laminating method of electric charge retaining layer or by improving the layer arrangement or by converting electrostatic information to the visible information or position information, high information retaining property can be obtained and the accumulated electrostatic information can be maintained for long period.   In the electrostatic information recording method according to the present invention, an electrostatic information recording medium is placed face-to-face to a photosensitive member having photoconductive layer on an electrode.  The image exposure is performed by applying voltage between two electrodes, and the electrostatic information corresponding to the image exposure is recorded on the electrostatic information recording medium.  The electrostatic information recorded in the electric charge retaining layer is easily reproduced by reading surface potential and by amplifying and outputting, or by electro-optical reading method, and further, by toner development.     The electrostatic information recording medium according to the present invention has excellent memory capacity with information density of 8 x 108 bits/cm2.          For example, it is possible to record the information by electrostatic information recording method using a photosensitive member, to record analog, digital, image, sound and (0.1) information, and to apply for electrostatic recording card and the like.
Patent CA-2030708-A1 (CA)
Inventor: GEARY DANIEL C
IPC: A01N25/16
Filed: 1990-11-27
Abstract: An paste insecticide bait to be contained in a pressurized container, for dispensing a semi-solid bead of bait in cracks, crevices and the like for destroying insects, in particular cockroaches, said composition comprising an oil-in-water emulsion of a pentadienone toxicant-fatty acid mixture in a corn syrup solution, together with oatmeal.
Patent CA-2031143-A1 (CA)
Title: Diaphragm valve comprising a sleeve-shaped elastic diaphragm
Inventor: RATELBAND JOHANNES B
IPC: F16K7/07
Filed: 1990-11-29
Abstract: ABSTRACT            Diaphragm valve comprising a sleeve-shaped elastic dia-phragm.            A diaphragm valve comprises a housing (1) provided with a supply and a discharge opening, and adapted to be inserted in a conduit. A sleeve-shaped elastic diaphragm (4) is accomodated in the housing (1), and extends between the openings. The diaphragm (4) is adapted to be loaded from the outside by a pressure fluid. In its unloaded condition, the diaphragm (4) is at a radial distance from a core body (5) located centrally therein, and the valve is open. In its fully loaded condition, a middle section (11) of the diaphragm (4) is pressed against the core body (5), and the valve is closed. The wall of the resilient diaphragm has means (10) for increasing its stiffness. These means (10) only extend from an end of the diaphragm (4) to a place near its middle section (11), thus simplifying manufacture of the diaphragm (4) and improving its sealing.
Patent CA-2032274-A1 (CA)
Title: Reversal development of latent electrostatic images on xeroprinting masters
Inventor: CARUTHERS EDWARD B
IPC: G03G5/026
Filed: 1990-12-14
Abstract: TITLE REVERSAL DEVELOPMENT OF LATENT ELECTROSTATIC IMAGES ON XEROPRINTING MASTERS               ABSTRACT OF THE INVENTION    Process for reversal development of a latent electrostatic image in a layer on a conductive support by developing with an electrostatic developer having electrostatically charged toner particles by (a)   generating imagewise areas in the layer having different rates of charge decay and/or charge acceptance, (b)   charging the layer, (c)   allowing formation of an electrostatic image corresponding to the imagewise generated areas by differential charge decay and/or charge acceptance, (d)   creating an electrical field to attract toner particles preferentially to the areas of lesser charge, and (e)   developing the areas of lesser charge with electrostatically charged toner particles having the same polarity as that of the charged layer. The developed image can be transferred to a receptor surface, e.g., paper.  The process is useful with many type photosensitive masters in preparing reversal images with the use of only one master, toner and film original.
Patent CA-2036046-A1 (CA)
Inventor: DEL ROSARIO CHRIS
IPC: B29K27/12
Filed: 1991-02-08
Abstract: ABSTRACT A fuser member for applying heat and pressure to fuse toner to a recording medium which does not require use of mercapto functional release agent compounds to prevent offset. The member includes a fluoroelastomer surface of a polymer of at least vinylidene fluoride and hexafluoropropylene and has at least 23.4 mole % hexafluoropropylene.  In a fluoroelastomer copolymer of VF2 and HFP, the fluorine content is at least above 69%.
Patent CA-2036350-A1 (CA)
Title: Vertical band saw
Inventor: SPATH DIETER
IPC: B23D53/06
Filed: 1991-02-14
Abstract: To permit miter cuts clear through a workpiece, or for selected depths, a saw band carrier supports a pair of saw-band wheels above and below a workpiece support, and the saw-band wheel carrier is pivotable about a substantially vertical axis of rotation. The axis of rotation is preferably located at the initial cutting engagement point of an endless saw band looped about the saw-band wheels, and the pivoting position can be arrested at any desired pivoted or angular position. In addition, the saw band carrier can be arranged to tilt about an essentially horizontal tilt axis.
Patent CA-2037249-A1 (CA)
Inventor: KUHN JOHN B
IPC: A01B59/044
Filed: 1991-02-27
Abstract: IMPLEMENT SUSPENSION MECHANISM                  Abstract of the Disclosure A mechanism for suspending an implement from a vehicle, such as a lawn and garden tractor.  The mechanism includes front and rear supports between the vehicle and implement, the supports being adapted for quick and easy connection.  The rear supports include spring-loaded J-pins connectable with the tractor lift linkage.  The front support includes a U-shaped member, the base of which is receivable in upwardly opening jaws carried on the implement.  The sides of the U-shaped member serve as draft links and are adjustably coupled with a cross member that is receivable in similar jaws carried by the tractor.  A latch handle is connected to a bell crank which is provided on the cross member for tensioning the draft links and securing them in their tensioned configuration.
Patent CA-2037593-A1 (CA)
Title: Digital clock buffer circuit providing controllable delay
Inventor: HILLIS W DANIEL
IPC: G11C11/407
Filed: 1991-03-05
Abstract: Abstract of the Disclosure A clock buffer circuit that generates a local clock signal in response to a sys-tem clock signal. The clock buffer circuit includes a buffer circuit for generating the local clock signal in response to an intermediate clock signal. A buffer control cir-cuit generates the intermediate clock signal in response to the system clock signal and the local clock signal. The buffer control circuit provides a variable delay so that, with an additional delay provided by the buffer circuit, the local clock signal has a selected phase relationship in relation to the system clock signal.
Patent CA-2038274-A1 (CA)
Title: Test cylinder mold packaging
Inventor: WORKMAN GARY L
IPC: B65D5/42
Filed: 1991-03-14
Abstract: TEST CYLINDER MOLD PACKAGING                ABSTRACT OF THE DISCLOSURE           A packaging assembly is provided for facilitating shipment and use of articles contained therein.  The packaging assembly includes a pair of identical cartons, one positioned atop the other, and suitable connectors for maintaining the cartons in assembled relation.   The connector elements may comprise staples, an adhesive strap,  or connector elements disposed partially within each container for maintaining the cartons in assembled relation during shipment.  When in use, the  connector  elements  can  be  removed  to  separate  the containers.
Patent CA-2038275-A1 (CA)
IPC: F16C11/02
Filed: 1991-03-14
Abstract: A rivet for pivotally interconnecting first and second  superposed  links  each having an  opening there-through, including a first head having a link engaging sur-face and an outer concave surface, and a shank having first and second portions with a shoulder therebetween, with the first portion being adjacent the head and receivable in the first link opening and the second portion being receivable in the second link opening.  During assembly, the rivet is compressed so that the second portion is deformed to form a second head to secure the links between the first and second heads, and the first head is deformed to reduce the concavity of the recess therein and axially shift the first link over the first shank portion to virtually eliminate axial free play.
Patent CA-2041598-A1 (CA)
Title: Dihydroxyacenone and monohydroxyindoles composition capable of giving the skin a natural tan look, multi compartment device et method of use
Inventor: COTTERET JEAN
IPC: C07C49/17
Filed: 1991-05-01
Abstract: Combination designed to impart to the skin a coloration similar to the coloration resulting from natural tanning, which comprises:   a) a component (A) containing dihydroxyacetone in a medium suitable for topical application; and b) a component (B) containing, in a medium suitable for topical application, at least one monohydroxyindole corresponding to the formula: <IMAGE> in which one of the four substituents R1, R2, R3 and R4 denotes OH, the other three denoting hydrogen,   as well as the addition salts of these monohydroxyindoles; the components (A) and (B) forming part of the same composition, or being designed either to be mixed immediately before use or to be applied successively or separated by an interval of time.
Patent CA-2045147-A1 (CA)
Title: Method of reducing the oil content of cuttings and apparatus for the application of said method
Inventor: VAN DIJK TOM
IPC: C10G1/02
Filed: 1990-01-11
Abstract: ABSTRACT    A method of reducing the oil content of cuttings, in which the cuttings are introduced into a drum-shaped space, where an elevated temperature is predominant and subjected to a hammering treatment in that space and the drum-shaped space is permanently heated from without so that during the performance of the hammering treatment the temperature in the interior is maintained in the vicinity of, but below, the cracking temperature of the oil in the cuttings to be treated, while further the pressure in the spaces is maintained at a value of at least 0.3 bar gauge. An apparatus for the application of such a method comprises a hammer mill and a dust cyclone, the hammer mill comprising a drum-shaped body, a rotary shaft passed through a side wall of the drum and extending axially through the drum, which shaft can be connected to suitable driving means outside the drum, onto which rotary shaft hammers are mounted which extend into a direction substantially transverse to the shaft reaching up to the vicinity of the inner wall of the drum, the drum further comprises an inlet for feeding cuttings to the drum and outlets for discharging the mist formed in the apparatus in operation and the purified cuttings respectively, the outlet for the mist being connected to the dust cyclone and means being provided around the drum for continuously supplying heat to the drum wall and maintaining it at a high temperature.
Patent CA-2046641-A1 (CA)
Title: Candida tropicalis transformation system
Inventor: CREGG JAMES M
IPC: C12N15/81
Filed: 1990-02-08
Abstract: A transformation system is provided for C. tropicalis, comprising constructs and microorganisms, as well as methods for preparing constructs and microorganisms, and transforming microorganisms. Particularly, a yeast transformation system comprising auxotrophic hosts which are auxotrophic in either an amino acid, purine or pyrimidine pathways and employ DNA constructs comprising genes encoding biosynthetic enzymes which functionally complement the auxotrophies to prototrophies.
Patent CA-2047027-A1 (CA)
Inventor: SAUERBIER DIETER
IPC: A61K9/00
Filed: 1991-07-15
Abstract: A granulate containing mesna is made by granulating mesna in the presence of an alcohol, acetone or a mixture of one of these with water. The granulate may be converted to tablets, along with other agents. The tablets contain: 0.01-1 parts by weight of a binding agent 0.03-0.4 parts by weight of a disintegrant 0.01-0.2 parts by weight of a lubricant and 0.1-1 parts by weight of a filling agent as well as, in the case of an effervescent tablet, an additional 0.05-30 parts by weight of a conventional physiologically acceptable effervescent mixture.