baber/WOPTO huggingface dataset:
Patent CA-2012401-A1 (CA)
IPC: G11B7/135
Filed: 1990-03-16
Abstract: An apparatus and method is described for detecting focus errors in an optical head by positioning a prism in the optical path of a return light beam reflected from an optical recording medium.  The prism reduces the beam in one dimension by a factor of M and concurrently increases the divergence/convergence angle associated with a focus-error of the beam by a factor of M in said dimension, thereby desirably enhancing the focus error signal by a factor of M2.  A focus error is detected by a segmented photodetector having inner and outer photosensitive regions.  The photodetector generates an electrical signal indicative of the focus error from the difference in light intensities at the inner and outer regions.  The photodetector preferably is segmented in such manner as to also provide a track error signal.
Patent CA-2012609-A1 (CA)
Title: Test scoring machine
Inventor: VILARDEBO ANGELINA N
IPC: G09B7/06
Filed: 1990-03-20
Abstract: TEST SCORING MACHINE            ABSTRACT OF THE DISCLOSURE     A test scoring machine apparatus is used for grading and scoring test papers and printing the scores directly on each test paper.  The printer includes a printer driver and a print head for printing on single sheets of paper passing through the computer printer.  A cut sheet feeder is attached to the computer printer for feeding single sheets of paper from a stack of paper to the printer.  A light source is attached to the printer in a position for directing light onto the surface of one test sheet being fed from the sheet feeder into the computer printer.   An optical reader is attached to the computer printer adjacent to the light source for reading the reflected light being reflected off the test sheet so that marks on each test sheet being fed into the printer are read by the optical reader.  A computer is attached to the printer and operatively coupled to the optical reader for receiving the output from the optical reader and producing an output signal analogous to a score from the signals read by the optical reader.  A printer interface may be a parallel or serial interface and is coupled to the computer with a cable for driving the print driver to in turn drive the printer print head for printing a score on a test paper as it passes through the printer.
Patent CA-2014605-A1 (CA)
Title: Two part mastitis cannula cap
Inventor: SUTHERLAND STEPHEN F
IPC: A61M5/46
Filed: 1990-04-12
Abstract: A two part mastitis cannula cap includes an outer cap and an inner cap.  The inner cap is not as long as the cannula so that a free end of the cannula protrudes beyond an end face of the inner cap.  This cannula protrusion is covered by the outer cap which is securable about the free end of the inner cap.   Controlled depth partial insertion of the cannula into the teat canal of a dairy cow can be accomplished by removal of only the outer cap.  Alternatively, full depth cannula  insertion is accomplishable upon removal of the two parts of the cap.   In one embodiment, a snap-off outer cap is used.  In a second embodiment, a twist-off or breakaway outer cap is utilized.
Patent CA-2014907-A1 (CA)
Title: Three dimensional disarticulation
Inventor: FRAZEE DAVID M
IPC: G06T15/08
Filed: 1990-04-19
Abstract: ABSTRACT OF THE DISCLOSURE     A method of editing image data produced from reconstructed tomographic data comprises the creation and editing of a bit map with bits corresponding to each data element of the image.  The bit map permits faster processing of editing commands.  The resultant image is displayed from a boolean combination of the edited bit map and the original data elements.  Rapid altering of the boolean combination allows "toggling" of the edited image with an unedited image for clarity.  The edited bit map may be used to edit a three dimensional reconstruction by substituting pad values for the image data according to the state of the bit map.  The bit map may be altered to track certain editing processes such as connectivity or region growing.
Patent CA-2016717-A1 (CA)
Title: Tunnel for fluxless soldering
Inventor: ELLIOTT DONALD A
IPC: B23K3/00
Filed: 1990-05-14
Abstract: A tunnel for fluxless soldering, is a straight linear tunnel which contains a non-explosive gas atmosphere.  The gas atmosphere includes a small portion of hydrogen or other gaseous reducing agent, sufficient to achieve a fluxing action.  A process for soldering an element comprises the steps of conveying the element through a tunnel containing a non-explosive gas atmosphere substantially excluding oxygen, heating the element in the tunnel, soldering the element, and retaining the element in the gas atmosphere of the tunnel until solder on the element has solidified.
Patent CA-2016841-A1 (CA)
Title: A method for producing polymers having a preselected activity
Inventor: HUSE WILLIAM D
IPC: C12N15/10
Filed: 1990-05-15
Abstract: The present invention relates to a method for isolating from a repertoire of genes containing a conserved nucleotide sequence a gene coding for a receptor having a preselected activity. Receptors produced by the gene isolated by the method, particularly catalytic receptors, are also contemplated.
Patent CA-2020679-A1 (CA)
Inventor: FUKUDA NORIYOSHI
IPC: C10N70/00
Filed: 1990-07-06
Abstract: Electrorheological fluids display swift and reversible increase in apparent viscosity under application of an electric potential difference to the fluid, and are composed generally of electrical insulating oily medium and dielectric fine-particles dispersed therein.      In one of its aspects, the present invention relates to a carbonaceous powder for electrorheological fluid which can be employed as dielectric fine-particles to be dispersed in the oily medium and a method of making the carbonaceous powder.      The carbonaceous powder for electrorheological fluid of the present invention comprises a carbonaceous powder having a number ratio of carbon atoms to hydrogen atoms (C/H) of 1.70-3.50 and 0.5-13.0% weight loss in a temperature range of 400°C to 600°C during heating the carbonaceous powder under nitrogen atmosphere from room temperature.
Patent CA-2023240-A1 (CA)
Inventor: DANY FRANZ-JOSEF
IPC: C11D7/20
Filed: 1990-08-14
Abstract: A dishwashing agent consists of a crystalline, largely water-insoluble sodium layer silicate having a molar ratio of SiO2/Na2O of (1.9 to 3.5):1 in combination with a proton donor, a 0.5% strength by weight aqueous solution of the dishwashing agent having a pH of less than 10. The dishwashing agent can furthermore contain a surfactant, an active chlorine or active oxygen carrier, a dispersing agent, an alkali metal phosphate or an alkali metal polyphosphate and a filler.
Patent CA-2023272-A1 (CA)
Inventor: CASE PAUL D
IPC: A24D1/00
Filed: 1990-08-14
Abstract: A cigarette, the smoking material rod of which comprises a proportion of expanded tobacco, yet which provides an acceptable mainstream smoke temperature over the whole smoking process.  When cigarettes containing expanded tobacco also comprise a low sidestream wrapper, such cigarettes provide substantial CO to PMWNF parity and smoker acceptable mechanics.
Patent CA-2025129-A1 (CA)
Title: Motion translating device
Inventor: MCCULLOUGH ROSS
IPC: F16H21/16
Filed: 1990-09-12
Abstract: ABSTRACT       A motion translating device that includes two or more units mounted on a shaft supported for rotation on a frame.          The units are equi-spaced circumferentially about the shaft for balance of the rotating system and each includes arms secured to and radiating outwardly from the shaft, a crank arm journaled on such arms and a fluid actuated piston cylinder unit anchored at one end to the shaft for limited oscillatory movement thereon and at the other end connected to the crank portion of the crank arm.  Rotation of the crank arm is resisted preferably selectively by an adjustably variable force.  Pressurized fluid flows through said shaft to and from the piston cylinder units with rotary couplings providing connection to a pressure source external to the device.  There is a sequence and control valve for the units preferably one for each pair of units controlling flow of fluid to and from the piston cylinder units and in timed relation with and in response to rotation of the crank shaft.
Patent CA-2026959-A1 (CA)
Title: Dye mixtures and their use in trichromatic dyeing processes
Inventor: DORE JACKY
IPC: D06P3/24
Filed: 1990-10-04
Abstract: A combination of three components, at least one yellow dyestuff of formula Ia, optionally together with at least one yellow to orange dyestuff of formulae Ib to Ie, together with at least one dyestuff of formulae II and III which dyestuffs are as defined in the specification, gives a well-balanced trichromatic mixture, which is most suitable for the trichromatic dyeing or printing nitrogen containing organic substrates, especially natural or synthetic polyamides, using conventional dyeing or printing processes.
Patent CA-2030292-A1 (CA)
Title: Fluid driven tank cleaning apparatus
Inventor: LOBERG LOREN L
IPC: B05B3/04
Filed: 1990-11-19
Abstract: ABSTRACT OF THE INVENTION      A fluid device tank cleaning apparatus having a stationary housing, an outer Tee-housing which rotates about a first axis and nozzle assembly rotatably mounted to the Tee-housing for rotation about a second axis.  The stationary housing is provided with passageways for communication with the Tee-housing.  The passageways are configured so as to provide a substantially constant cross sectional area to the outer of the Tee-housing.
Patent CA-2031880-A1 (CA)
Inventor: IWAMITSU KENICHI
IPC: A61K31/715
Filed: 1990-12-10
Abstract: A pharmaceutical composition for treating inflammatory diseases, comprising (A) an effective amount of hyaluronic acid or its salt, and (B) an effective amount of an anti-inflammatory agent. The composition exhibits a synergistic therapeutic effect on inflammations and is useful for treating inflammatory diseases, particularly diseases of joint with inflammation.
Patent CA-2032561-A1 (CA)
Inventor: CARROLL JAMES J
IPC: G01N33/86
Filed: 1990-12-18
Abstract: A method of determining levels of extrinsic and intrinsic clotting factors and protein C based upon the reaction rate of the observed clot formation and the first derivative of the reaction rate of observed clot formation is provided. In accordance with the teachings of the invention, the reaction rate of the observed clot formation in a prothrombin time test or an activated partial thromboplastin time assay is determined for both test and normal plasma samples and the reaction rates compared.  In another embodiment, the first derivative of the reaction rate of the observed clot formation is determined and the results compared.
Patent CA-2033084-A1 (CA)
Title: High strength structural perlite concrete
Inventor: WILLIAMS R STEVE
IPC: C04B20/06
Filed: 1990-05-18
Abstract: A high strength concrete particularly useful for precast, prestressed products comprising by weight of the wet concrete mix, 8 to 60 percent cement, .5 to 20 percent smooth-surfaced, vesicular, expanded perlite, 5 to 30 percent water, 0 to 12 percent pozzolan, and fine aggregate and coarse aggregate as appropriate and available in the circum-stances. The concrete provides superior bond to reinforcing strands. The smooth-surfaced, vesicular, expanded perlite is unique and novel.
Patent CA-2033752-A1 (CA)
Inventor: BECK MARLIN E
IPC: B60R1/06
Filed: 1991-01-08
Abstract: The invention relates to  a vehicle outside rear view mirror assembly of the type wherein the mirror may be rotated between a laterally extended rear viewing position and a folded back non-viewing position, and more particularly which includes a goose-neck mirror supporting arm having a vertical arm portion including first detent means formed integrally therein and which means coacts with second detent means formed in a resiliently deformable mirror arm supporting sub-assembly.
Patent CA-2042618-A1 (CA)
IPC: A61J3/00
Filed: 1991-05-15
Abstract: Suction  transfer  assembly  comprising  a  vial filled with a  liquid and  having  an  open  end,  the  vial being  slidable  longitudinally  relative to  a stopper and the stopper slidably sealing the liquid in the vial in any position of sliding movement, the stopper having fastening means facing the open end; an adapter having a front end, a rear end and a conduit extending therethrough, the rear end having a rearwardly facing hollow needle with a tip defining the rear terminus of the conduit, and counterpart fastening means to fasten the counterpart fastening means to the fastening means on the stopper,  and to penetrate the stopper by the needle for flow connecting the chamber and  conduit,  the  front  end  having  a  forwardly  facing nozzle  defining  the  front  terminus  of  the  conduit,  a probe-openable and self-closing check valve in the conduit adjacent  the  nozzle,  and  a  connector  adapted  to  lock releasably to  a  counterpart  connector  on  a  separate suction  operated  device  having  a  counterpart  nozzle containing  a probe arranged for flow connection with the nozzle and for opening the valve; whereby on fastening the counterpart  fastening  means  to  the  fastening  means  and penetrating the stopper  by  the  needle,  and  locking  the counterpart connector to the connector and flow connecting the counterpart nozzle with  the  nozzle  and  opening  the valve, operation of the device will cause liquid transfer from the vial to the device and simultaneous vial movement relative  to  the  stopper  under  external   atmospheric pressure relative to the amount of liquid transferred.
Patent CA-2043409-A1 (CA)
Title: Hair fixatives
Inventor: HALLORAN DANIEL J
IPC: A61K8/00
Filed: 1991-05-28
Abstract: A hair treating method for imparting curl retention to hair in which at least one film forming ingredient is applied to the hair.  The improvement utilizes as the film forming ingredient an organosilicon compound which is a pre-hydrolyzed organofunctional silane having silsesquioxane characteristic.  Hair fixative compositions including the silane are also disclosed.
Patent CA-2045879-A1 (CA)
Title: Die casting machine
Inventor: PERRELLA GUIDO
IPC: B22D17/22
Filed: 1991-06-27
Abstract: A die casting machine having a frame comprising two side platens connected by connecting rods; a moving platen, connecting rod apertures in said moving platen, a moving platen drive and two dies, wherein one side platen is connected to one end of the connecting rods, the other side platen is connected to the opposite end of the connecting rods, the moving platen is guided by said connecting rods for movement towards and away from respective side platen, movement is effected by said moving platen drive, one die mounted on the inside face of the moving platen, and the other die mounted on the inside face of one side platen, characterized by said die casting machine having a solid frame comprising two substantially inextensible connecting rods and two side platens; the two substantially inextensible connecting rods, the moving platen drive and the centers of the dies being in a common plane passing through the longitudinal centerline of the die casting machine.
Patent CA-2046591-A1 (CA)
Title: High index color encoding system
Inventor: LEVAN WILLIAM C
IPC: H04N9/64
Filed: 1990-02-07
Abstract: A high index color encoding system (10) is provided for the purpose of receiving RGB video input from a personal computer or similar device and generating video signals in other formats for use by conventional video equipment. The color encoding system (10) includes operational circuitry (30) adapted to shape and modify the chrominance portions of the signals at a relatively high carrier frequency of four times the NTSC standard frequency with the lower NTSC output carrier being reconstituted by a doubly balanced mixer (266) component, thus substantially improving signal quality. The operational circuitry further includes synchronization generation circuitry (148), a Y, I, Q matrix (66) for creating luminance and chrominance components from RGB signals, an I, Q  modulator (96) for producing high quality chrominance output and a dynamic aperture (246) for enhancing the rise slope of the luminance signal, among other components. Various available video outputs to the system (10) are user selectable and user adjustable for compatibility with desired end use equipment and formats. The primary expected uses of the system are in graphics generation applications, utilization of conventional video equipment for computer video display and in memorialization of computer display sequences.
Patent CA-2048781-A1 (CA)
Title: Niobium-tin superconductor with hafnium oxide particles
Inventor: RUMANER LEE E
IPC: H01B12/06
Filed: 1991-08-08
Abstract: RD-20,665 ABSTRACT OF THE DISCLOSURE         A niobium-tin superconductor is disclosed that is comprised of a niobium alloy core, an outer laminate of  a niobium-tin superconducting alloy on the core, and a hafnium oxide precipitate dispersed in the niobium-tin superconducting alloy in an effective amount to increase the current-carrying capacity in the niobium-tin superconductor.
Patent CA-2049041-A1 (CA)
Title: Screw cap with warranty ring
Inventor: BREUER HANS-WERNER
IPC: B65D41/34
Filed: 1991-01-25
Abstract: - 10 -Abstract The warranty ring (1) on the screw cap disclosed has, on the inside (8), retention elements shaped like surface-mounted wedges (9) which taper in the direction (A) in which the cap is screwed off. The wedges act to ease the passage of the warranty ring over the container bulge (17) without excessive friction, as well as strengthening the ring. (Fig. 3)
Patent CA-2051139-A1 (CA)
Inventor: NICHOLS DWIGHT E
IPC: B65D8/04
Filed: 1991-09-11
Abstract: A container (10) for retaining bulk liquid materials is provided having an outer drum (12) forming an enclosed cavity bounded by a base portion (14), upright walls (16) and a top wall (18) including at least one port (20). A liner (26) is disposed within the cavity of the outer drum (12) and is fixably secured to a first bung (32) removably engaged with the port (20). The first bung (32) has a central opening (39) enabling access to the interior of the liner (26) for filling and discharge purposes. When filled with a bulk liquid material, the liner (26) conforms in shape to the shape of the enclosed cavity of the drum (12). The first bung opening (39) is sealed by a second bung member (46) in engagement with the first bung member (32). Upon the emptying of the bulk materials from the drum (12), the liner (28), being thin walled, substantially fully collapses. The first bung member (32) may then be disengaged from the port and the liner (26), in its collapsed state, removed through the port in the top wall (18) of the drum (12). Thus, an easily removable liner is provided which eliminates the necessity of cleaning the drum prior to subsequent use. <IMAGE>
Patent CA-2051408-A1 (CA)
Inventor: VIGNAUD JEAN-LOUIS
IPC: A61B17/70
Filed: 1991-02-08
Abstract: The object of the invention is a rachis ostheosynthesis device with pedicular screws of the type comprising a pin (1) having a threaded ogival shape and a threaded head (3) which are separated by a hexagonal body (2), said screws being connected by a linking element (5, 6), characterized in that it is comprised, additionally, of an unique fixing part (7, 8) provided with a hole (9) for the passage of said threaded head to which is screwed a nut (4, 4') for locking the assembly consisting of the fixing part (7. 8) and of the linking element (5, 6) on the head (3), one of the two members, that is to say either the fixing part or the linking element, being conformed on its lower face so as to form a groove (17, 21) for receiving and rotationally locking said hexagonal body (2). Application to osteosynthesis.
Patent CA-2053564-A1 (CA)
Title: Two-component polyurethane adhesives
Inventor: TRINKS RAINER
IPC: C08G18/67
Filed: 1991-10-16
Abstract: Disclosed herein is a two-component polyurethane adhesive containing an isocyanate component a), an active hydrogen containing component which is stable against demixing b), optionally a catalyst for the reaction of a) with b) and optionally an auxiliary agent and an additive, characterized in that an active hydrogen containing component which is stable against demixing b) contains at least one hydroxyl group-containing low molecular weight chain lengthening agent having at least one C-C double bond or C-C triple bond and having a molecular weight of at least 86 and a functionality of at least 2 and containing no carboxyl groups.
Patent CA-2057694-A1 (CA)
Title: Absorbent composites and absorbent articles containing same
Inventor: BYERLY SHANNON K
IPC: A41B/
Filed: 1991-12-16
Abstract: Reducing leakage in disposable diapers having a relatively high loading of superabsorbent materials requires a proper balancing of three properties of the superabsorbent material: the total absorbent capacity, the resistance to deformation when partially saturated, and the ability to wick fluids away from the insult area.     Absorbent articles with superabsorbent material/fluff composites, which contain high loadings of superabsorbent material having the proper balance of properties, can be made to be substantially thinner while providing leakage performance equivalent to bulkier conventional articles containing greater amounts of fluff,
Patent CA-2058126-A1 (CA)
Title: Bromination process
Inventor: BRACKENRIDGE DAVID R
IPC: C07B61/00
Filed: 1991-12-19
Abstract: Case FR-6284 BROMINATION PROCESS       Abstract A process is disclosed for preparing a mixture of brominated, non-condensed ring polyaromatics, which process comprises brominating the precursor non-condensed ring polyaromatic in the presence of a bromination catalyst. The mixture has an average bromine number of 5.8 to 6.2, more than about 55 GC area percent of the hexabromo homolog, and a reduced amount of light-end impurities.
Patent CA-2058579-A1 (CA)
Title: Confection conveyor system with constant-velocity pick-up and pausing drop section
Inventor: DURST RICHARD E
IPC: A23G9/26
Filed: 1991-12-30
Abstract: Abstract Of The Disclosure Method and apparatus for processing of ice cream confections, having constant-velocity confection pick-up function which is uninterrupted by pausing confection-drop function.  A confection conveyor system having two cooperating conveyor sections has a constant-velocity confection-receiving station on the first conveyor section and a pausing confection-drop station on the second conveyor section.  A serial stream of confections is obtained from a constant-velocity serial stream of confections on the first conveyor section at an intermediate transfer station between the two conveyor sections.  At the confection-drop station located in the second conveyor section one confection is dropped on each lane of several parallel lanes on an off-line confection wrapper.  The confections are dropped substantially without horizontal motion as received by the wrapper.
Patent CA-2059523-A1 (CA)
Inventor: ILLUM LISBETH
IPC: A61K38/28
Filed: 1990-08-16
Abstract: Des compositions administrées par voie trans-muqueuse, par exemple intra-nasale, comprennent un composé de lysophosphatidyl-glycérol en tant qu'agent améliorant l'adsorption. Les composés préférés sont l'insuline et la calcitonine.