baber/WOPTO huggingface dataset:
Patent CA-2092440-A1 (CA)
Title: Process for the recovery of minerals from non-sulfidic ores by flotation
Inventor: SCHRECK BERTHOLD
IPC: B03D1/012
Filed: 1991-09-16
Abstract: Abstract A process for the recovery of minerals from non-sulfidic ores by flotation Salts of esterification products of maleic acid with oligoglycerol partial esters corresponding to formula (I)                        (I) in which R1, R2, R3 and R4 independently of one another represent hydrogen, a saturated aliphatic acyl radical contain-ing 8 to 18 carbon atoms or a CO-CH=CH-COOX- group, X    is an alkali metal or ammonium and n    is 0 or a number of 1 to 18, with the proviso that at least one of the substituents R1 to R4 is an acyl radical and at least one is a CO-CH=CH-COOX group, optionally in admixture with other anionic or nonionic surfactants, are suitable as collectors for the flotation of non-sulfidic ores, more particularly apatite.
Patent CA-2093696-A1 (CA)
Inventor: SCHNELL HANS
IPC: B30B9/18
Filed: 1993-04-08
Abstract: Ms/ S 5323Z         Abstract of Disclosure A process is proposed for the dewatering of compressibly dewaterable materials, in particular waste from the processing of paper material, which enables a very high degree of dewatering so that the waste can be readily disposed of, e.g. dumped. For this purpose, the material to be dewatered is initially pre-dewatered by gravity, and usually also by compression, in a transportation section (5). This pre-dewatering can take place in a continually operating feed section (7) through a perforated sieve jacket (10). The material then reaches a press section (6) in which a discontinuously working pressing device is in operation. Further improvements in the dewatering performance are possible by various embodiments of the corresponding pressing elements (13,14). The invention relates to both the process and the device for implemention of the process.
Patent CA-2093728-A1 (CA)
Title: Method and apparatus for simutaneously removing oversized particles from a fiber suspension and dewatering the fiber suspension
Inventor: VOJDANI MOHAMMAD J
IPC: D21D5/02
Filed: 1993-04-08
Abstract: ABSTRACT OF THE DISCLOSURE      A pressurized  system for  simultaneously removing oversized  materials  from  fiber  suspension,  such  as separating knots from pulp stock, and dewatering the fiber suspension.   The system comprises an elongated barrel having an apertured shell which constitutes a screen for sorting particles in the fiber suspension according to size.   A screw is rotatably mounted in the barrel for transporting the fiber suspension along the inner surface of the barrel while water is being expressed from the fiber suspension through the apertured shell, entraining therewith accepts to egress the elongated barrel.   The characterizing feature of the invention resides in that the  screw  is rotated at  a  relatively high  speed to maintain the rejects arrested by the apertured shell in a fluidized  state,  thereby preventing the  rejects  from agglomerating into a semi-solid mass, which would cause excessive accepts carry-over with the rejects.
Patent CA-2094229-A1 (CA)
Title: Coin processor
Inventor: FURUYA YONEZO
IPC: G07D5/00
Filed: 1993-04-16
Abstract: ABSTRACT OF THE DISCLOSURE      A coin processor in which part of a magnetic field generated by a first oscillation coil permeates through a coin passing along a coin passage and then received by a second reception coil, while other part of the magnetic field acts on the surface of the coin and then received by a first reception coil. Similarly, part of a magnetic field generated by a second oscillation coil permeates through the coin and then received by the first reception coil, while other part of the magnetic field acts on the surface of the coin and then received by the second reception coil.  On the basis of an addition of outputs of the first and second reception coils, the coin passing along the coin passage is discriminated. The coin processor comprises a coin discriminator/sorter section for discriminating whether inserted coins are true or false and sorting the true coins in accordance with their coin types, a coin accumulator/dispenser section integrally formed with the coin discriminator/sorter section for accumulating the sorted coins to be used as change and for dispensing some of the accumulated coins for change, and a single controller provided for controlling both of the coin discriminator/sorter section and the coin accumulator/dispenser section.
Patent CA-2096687-A1 (CA)
Title: Aryl phosphinites
Inventor: REGNAT DIETER
IPC: C07F9/46
Filed: 1993-05-20
Abstract: Abstract of the Disclosure:            Aryl phosphinites Aryl phosphinites of the formula (I)   (I) can be prepared in a simple manner and in high yields by reacting 2,4-di-tert.-butylphenylphosphonous  dihalides with  alkyl-  or  arylmagnesium bromides  or  alkyl-  or arylmagnesium chlorides.            Aryl phosphinites serve for the preparation of secondary phosphine oxides which are used as starting materials for the preparation of phosphine ligands in catalyst systems.
Patent CA-2097024-A1 (CA)
Title: Ductile poly(arylene sulfide) resin compositions
Inventor: SULLIVAN VINCENT J
IPC: C08L83/05
Filed: 1993-05-26
Abstract: ABSTRACT          A resin composition which comprises:   (A)  from about 99.5 to about 70 percent by weight, based on the total weight of components (A) and (B), of a poly(arylene sulfide) having a melt viscosity of from  about 300 to about 8,000 poise at 1,200 sec-1 and 310°C;   (B)  from about 0.5 to about 30 percent by weight, based on the total weight of components (A) and (B), of an emulsion cured silicon rubber which is the condensation product of (i) an organopolysiloxane having at least two terminal active hydrogen  functional  groups  per  molecule,  and  (ii)  an organohydrogenpolysiloxane having at least two silicon-bonded hydrogen atoms per molecule;  and (C)  from about 0.1 to about 2.0  parts by weight, based on 100 parts by weight of components A,  B and C combined, of an organosilane selected from the group consisting of: amino-, vinyl-, epoxy-, and mercaptosilanes.
Patent CA-2097026-A1 (CA)
Inventor: SINN HANS-JURGEN F
IPC: A61B17/06
Filed: 1993-05-26
Abstract: ABSTRACT OF THE DISCLOSURE   A package is provided for retaining a plurality of surgical sutures which includes a housing and a plurality of superimposed suture retainer reels disposed within the housing. Each of the suture retainer reels has a peripheral channel defined therein for maintaining a wound suture in such a manner so that the wound suture in one of said peripheral channels is disposed in an annular vertical plane which is substantially distinct from the annular vertical plane in which an adjacent wound suture is disposed. Structure is associated with the housing for maintaining the suture retainer reels in superimposed relationship. The package may also be provided with a needle park for releasably maintaining surgical needles in a position for ready removal.
Patent CA-2098458-A1 (CA)
Inventor: RAUTIO KAUKO
IPC: B27B5/32
Filed: 1993-06-15
Abstract: A fastening system for a circular saw blade (1, 10), wherein the circular saw blade is fastened by means of a screw/screws (2, 9) to a fastening flange on the turning arbor (6), to a chipping edger (3) in a hewing saw, or to a chipping cutter (8). The fastening part (5, 11) of the circular saw blade (1, 10) is made conical and the circular saw blade (1, 10) is fas-tened between two corresponding conical surfaces.
Patent CA-2098898-A1 (CA)
Inventor: DRUCKER FRANK
IPC: G08B13/24
Filed: 1993-06-21
Abstract: An EAS system in which a transmitter alternately drives first and second antennas with the same coded message signal in its entirety. The antennas, in turn, transmit first and second signals each containing the coded message signal into respective first and second partially overlapping parts of an interrogation zone.  Also disclosed is an antenna structure comprised of a plurality of loops extending one after the other and successive ones of which are of opposite phase.  One of the loops circumscribes an area which is smaller than each of the other loops to realize reduced coupling to adjacent structures.
Patent CA-2105062-A1 (CA)
Title: Light transfer means
Inventor: PATON COLIN R
IPC: G02B6/42
Filed: 1992-06-25
Abstract: Means are provided for transferring light between an optical fibre (3) housed within a fibre management unit (T) and an optical device (13) external to the fibre management unit. The transfer means comprises an aperture (5) formed in the fibre management unit (T), a mandrel (6) mounted in the fibre management unit adjacent to the aperture and positioned so that the optical fibre (3) lies between the mandrel and the aperture, and a probe (P) housing the optical device (13). The probe (P) is provided with an optical head (9) in optical communication with the optical device (13), and with means (7, 8) for moving the optical head (9) into the aperture (5) so as to deform the optical fibre (3) against the mandrel (6) sufficiently to permit light to be tapped between the optical fibre and the optical head.
Patent CA-2106815-A1 (CA)
Inventor: BERLINCOURT DON A
IPC: H01L41/02
Filed: 1993-09-23
Abstract: Structure is disclosed for a piezoelectric high voltage impact device which prevents fracture of the piezoelectric element contained therein. A tape is applied to the surface of the piezoelectric element and wrapped therearound. If the piezoelectric element becomes fractured as a result of actuation thereof, the tape provides support to the element permitting continued use of the device. A viscid encapsulating material can be used within the device so as to act in conjunction with the tape to further support the piezoelectric element permitting continued use of the impact device after fracture of the element has occurred.
Patent CA-2108430-A1 (CA)
Inventor: CHESNEY DAVID J
IPC: G05B19/35
Filed: 1993-10-14
Abstract: A linear motor control system and method to increase apparent motor stiffness by providing linear motor resistance to perturbations caused by external forces exerted on a slide mass and a base mass. Primary and secondary sensors detect the accelerations of the slide mass and the base mass relative to ground and generate acceleration signals corresponding thereto. A position detector senses the position of the slide mass relative to the base mass and generates a position signal corresponding thereto. A signal processor processes the first and second acceleration signals and the position signal to determine deviations in the position, velocity and acceleration of the slide mass relative to the base mass from selected values caused by the external forces, and to generate a motor control signal to provide linear motor resistance against such deviations.
Patent CA-2110011-A1 (CA)
Title: Technique for decoupling the energy storage system voltage from the dc link voltage in ac electric drive systems
Inventor: DEDONCKER RIK W A A
IPC: H02M7/797
Filed: 1993-11-25
Abstract: TECHNIQUE FOR DECOUPLING THE ENERGY STORAGE SYSTEM VOLTAGE FROM THE DC LINK VOLTAGE IN AC ELECTRIC DRIVE SYSTEMS An ac electric drive system includes a bidirectional power semiconductor interface between a battery, or an auxiliary energy storage device, and a power inverter for boosting an input dc voltage and for decoupling the dc link voltage from the input dc voltage such that the dc link voltage is substantially independent of the input dc voltage and the parameters of the battery or energy storage device. The input dc voltage is controlled to maximize efficiency along predetermined torque envelopes.
Patent CA-2111494-A1 (CA)
Title: Antifoggant for dry silver
Inventor: KIRK MARK P
IPC: C07D285/125
Filed: 1993-12-15
Abstract: ABSTRACT PHOTOTHERMOGRAPHIC MATERIALS   A compound of the formula: (I)   wherein;     R is a member selected from a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group.  The compounds find utility as antifoggants and image stabilisers in photothermographic materials.
Patent CA-2112708-A1 (CA)
Title: Machine for cutting a longitudinal groove in a natural log
Inventor: MCKAY BRYAN K
IPC: B27G13/14
Filed: 1993-12-31
Abstract: A machine with a variable profile cutting head to mill out the longitudinal grooves in natural logs for log walls.          The flexible cutting head cuts a groove which copies the exterior shape of the log it will fit down against across the entire section of the groove, for the full length.  This close fit across the entire joining surfaces is desirable in general and is a necessity where the wall cross section fit is exposed such as the exterior corners or interior openings.     Prior art devices have fixed dimension cutting blades which are limited to primarily matching the two edges of joint surfaces.  Machines with fixed profile cutting heads also lose accuracy of joint fit with changing log size, surface irregularities and bends.     This invention maintains accuracy of fit regardless of the natural log variations, without machine adjustments, and works bent logs by means of a pivot mount and log centering device on the cutting head carrier.
Patent CA-2112738-A1 (CA)
Title: Sealing and packaging method and apparatus
Inventor: SIEGEL MARTIN
IPC: B65B9/06
Filed: 1992-07-02
Abstract: A horizontal form fill packaging and sealing apparatus comprises a film dispenser and a film forming plow which, together with a roller guide, forms the film to be sealed into a tube with the free edges at the side.  The object to be packaged is inserted into the film tube.  The free edges of the film are longitudinally sealed together at the side of the package by a rotary heat sealer and immediately cooled to approximate impulse sealing, and a cross seal is made at the front and back of the object to be packaged. The excess gas in the package is pressed out by a presser before the back cross seal is made.
Patent CA-2114928-A1 (CA)
Title: Drivemaster 275
Inventor: HANSON JOHN R
IPC: A63B57/00
Filed: 1994-11-02
Abstract: I claim that in order to play golf one needs to be aligned properly in relation to the ball and the target and also to swing the clubhead on a line appropriate to the shot needed in each particular instance.  My mat with it's essential lines and images can be used to set up and swing according to the fundamental alignment principles of golf.
Patent CA-2115525-A1 (CA)
Title: Hockey goaltender's glove with flexible cuff
Inventor: SHIKATANI BRIAN H
IPC: A63B71/14
Filed: 1994-02-11
Abstract: A hockey goaltender's glove is described, in which the outer cuff thereof is divided into three segments, namely a central segment and two lateral segments, and in which the central segment is connected to the lateral segments along edges thereof, via elastic webbing. The central segment thus may be readily flexed outwardly and away from the lateral segments, thereby providing improved flexibility of the cuff, to improve the goaltender's ability to smother the puck, without unduly sacrificing protection of the wrist and forearm area.
Patent CA-2116607-A1 (CA)
Title: Process for reusing the overspray obtained from spraying coating compositions
Inventor: HOVESTADT WIELAND
IPC: C08J11/00
Filed: 1994-02-28
Abstract: A PROCESS FOR REUSING THE OVERSPRAY OBTAINED FROM SPRAYING COATING COMPOSITIONS                          ABSTRACT OF THE DISCLOSURE The present invention relates to a process for reusing the overspray obtained when spraying water dilutable two-component polyurethane coating compositions containing a polyisocyanate and a compound containing isocyanate reactive groups by (i)    collecting the overspray and optionally diluting it with water, (ii)   simultaneously with or after step (i), reacting the overspray, optionally       in the presence of emulsifiers, with compounds which are more reactive with isocyanate groups than both water and the compounds containing isocyanate reactive groups and (iii)  reusing the resulting aqueous solution or dispersion of the chemically modified overspray in a one- or two-component, chemically and/or physically drying coating composition, optionally after adjusting the spray viscosity of the coating compositions to a suitable spray viscosity by either removing or adding water and optionally after the addition of additives.
Patent CA-2117709-A1 (CA)
Inventor: TURNER WILLIAM D
IPC: H04N1/195
Filed: 1994-09-19
Abstract: The present invention is a novel book scanner that employs 2-dimensional array detectors attached, either rigidly or rotatably, at a common edge and disposed in a wedge shaped manner. The opposite edges of the arrays are housed in a base portion. The base portion additionally supports backlight to provide the necessary illumination of the book pages and the read-out electronics which output the image data stored in the detectors to other processing units that may use such data.
Patent CA-2119339-A1 (CA)
Title: Protective garter belt
Inventor: GUYER RICHARD J
IPC: A41D13/00
Filed: 1994-03-17
Abstract: A protective garter belt for contact sports in which the players wear protective hosiery, which combines support for the hosiery with a genital protector. The invention comprises an elastic waistband, a genital protector pouch, a plurality of garter straps, and fasteners for attaching hosiery.  The hosiery is attachable to the belt by a number of different types of fastener.
Patent CA-2120067-A1 (CA)
Title: Anti-Wrap Device for Rotating Shaft
Inventor: WAGNER JAMES H
IPC: A01D75/18
Filed: 1994-03-28
Abstract: A device that prevents wrapping of long strands of fibrous material around an exposed rotating shaft has a stationary flange fixed to the chassis or bearing housing for the shaft and a rotating flange fixed to the shaft.  The flanges are positioned to pass one another during each revolution of the shaft.  When the flanges are nearest to one another, a loop of vegetation forms tightly around the flanges.  Continued rotation of the shaft then stretches and tears the loop apart.  This loop forming and tearing is repeated for each revolution of the shaft to effectively prevent fibrous material from wrapping around the shaft.
Patent CA-2122327-A1 (CA)
Title: Polarization-independent optical wavelength selective coupler
Inventor: ALFERNESS RODNEY C
IPC: G02B5/18
Filed: 1994-04-27
Abstract: POLARIZATION-INDEPENDENT OPTICAL WAVELENGTH SELECTIVE                       COUPLER     ABSTRACT A double-periodic grating is described for obtaining polarization-independent filtering and coupling The grating may be viewed as a combination of two gratings with slightly different grating periods. The two periods are carefully chosen to match the difference in propagation constants of the TE and TM polarization modes such that both modes are coupled at the same wavelength. A novel method of obtaining a double-periodic grating is described
Patent CA-2122898-A1 (CA)
Title: Synergistic herbicidal compositions
Inventor: JOHANN GERHARD
IPC: A01N37/24
Filed: 1992-10-30
Abstract: ABSTRACT OF THE DISCLOSURE    There is described new herbicidal compositions with synergistic activity which comprises a mixture of 2-[7-fluoro-3, 4-dihydro-3-oxo-4-(2-propynyl)-2H-1, 4-benzoxazin-6-yl]perhydroimidazo[1,5-a]pyridin-1, 3-one and a herbicide selected from the group consisting of glyphosate (II), sulfometuron-methyl (III), imazapyr (IV), 2,4-D (V), dicamba (VI), diuron (VII), oxyfluorfen (VIII), glufosinate-ammonium (IX), amitrole (X), sethoxydim (XI), metribuzin (XII), linuron (XIII), acifluorfen (XIV), lactofen (XV), fomesafen (XVI), pendimethalin (XVII), alachlor (XVIII), metolachlor (XIX), trifluralin (XX), chlorimuron-ethyl (XXI), imazaquin (XXII) and imazethapyr (XXIII).
Patent CA-2124077-A1 (CA)
Inventor: CHEN JANG F
IPC: G03F1/36
Filed: 1993-01-15
Abstract: 2124077 9314445 PCTABS00024 An improvement for reducing proximity effects comprised of additional lines, referred to as intensity leveling bars, into the mask pattern. The leveling bars perform the function of adjusting the edge intensity gradients of isolated edges in the mask pattern, to match the edge intensity gradients of densely packed edges.  Leveling bars are placed parallel to isolated edges such that intensity gradient leveling occurs on all isolated edges of the mask pattern. In addition, the leveling bars are designed to have a width significantly less than the resolution of the exposure tool.  Therefore, leveling bars that are present in the mask pattern produce resist patterns that completely developed away when a nominal exposure energy is utilized during exposure of photoresist.
Patent CA-2125598-A1 (CA)
Title: Instrument for the visual recognition of authenticity features in banknotes and security documents
Inventor: MASTNAK WOLFGANG R
IPC: G07D7/16
Filed: 1994-06-10
Abstract: ABSTRACT OF THE DISCLOSURE      Instrument for the visual detection of authenticity features in banknotes and security documents with an electric illumination device for the illumination of the test object characterised by the following features: the instrument as a whole has an elongated rod like shape; the frontal section of the rod shaped instrument has a lower part, which protects forward like a finger and connects to its rear section with a diffusion screen which can be illuminated by means of an illumination device and an upper part which also projects forward like a finger and connects to the upper part which is attached to its rear section with an optical element arranged above the diffusion screen;  the lower part and the upper part of the frontal section of the instrument between them form a test slit for holding the test object.
Patent CA-2127495-A1 (CA)
Inventor: EBERLE JUERG
IPC: B65G17/46
Filed: 1994-07-06
Abstract: The transporting apparatus has a guide which forms a closed loop and in which transporting members circulate. The transporting members are driven at the beginning and end of the effective conveying zone by in each case an independently controllable drive mechanism. Between successive transporting members there are in each case spring elements, which are designed exclusively for the transfer of compressive force. The drive means of the drive mechanisms driving the transporting members are preceded by controlled blocking means, by which the transporting members are prevented from being taken along by the drive means.  As a result it is ensured that each transporting member seizes a printing product, even if there are gaps in the printing products as they are fed to the transporting members, the printing products preferably being fed in imbricated formation. At the delivery point, the delivery of printing products may also be delayed by one or more cycles without stopping the drive means. The spring elements allow a differing number of transporting members to be located between the drive mechanisms.
Patent CA-2127920-A1 (CA)
Title: Anvil for surgical stapler
Inventor: VIOLA FRANK J
IPC: A61B17/115
Filed: 1994-07-13
Abstract: ABSTRACT OF THE DISCLOSURE An anvil assembly for use with a circular surgical stapling device having a housing and venting means, in the form of vent holes, for venting the interior of the anvil assembly. The housing includes channeling means in the form of a plurality of longitudinally extending and radially spaced surface grooves in an outer surface of the housing which are communicable with the vent holes to aid in directing a flow of air between the vent holes and the outer surface of the housing member to significantly reduce a suction effect therebetween. The channeling means further allows extruded tissue and debris to flow freely from the vent holes.
Patent CA-2128272-A1 (CA)
Title: Transformer fault analyzer
Inventor: LAT MICHAEL V
IPC: G01R31/06
Filed: 1994-07-18
Abstract: Abstract of the Disclosure A transformer fault analyzer provides on site fault analysis of electrical distribution transformers, relying on patterns of parameter variation in transformer winding ratios, winding resistance and magnetizing impedance, and comparison of these parameters to predetermined values.  In a preferred embodiment the analysis considers transformer ratio balance and magnetizing impedance balance.  The transformer analyzer may be used with the transformer under load or no load conditions, and thus can be used to test transformers in the field as well as surplus or refurbished transformers.