baber/WOPTO huggingface dataset:
Patent CA-2045862-C (CA)
Title: Electrical ground and bonding clip
Inventor: BECK DAVID H
IPC: F24H9/20
Filed: 1991-06-27
Granted: 1995-06-20
Abstract: A  water  heater  comprises  an  electrically grounded  water  tank  that  includes  an  electrically conductive portion;  the  tank has  a water  inlet  and outlet connected to deliver water to and from the water tank and has a heating element connected to the tank for heating water in the tank; a control connected to the heating element controls the application of heat to the water.   The heater includes also an electrically grounded outer jacket surrounding the water  tank,  a bottom  member  electrically  grounded  to  the  outer jacket,  and  a  spring-urged  electrical  bonding  clip secured to and electrically connected to  the bottom member  and directly electrically engaging the water tank electrically conductive portion.
Patent CA-2048822-C (CA)
Title: Apparatus for placing a carriage on a track
Inventor: THEURER JOSEF
IPC: E01B37/00
Filed: 1991-08-08
Granted: 2002-02-19
Abstract: An apparatus for placing a carriage linked to a frame of a track working machine on a track comprises a rail sensing element mounted on the carriage for sensing a respective track rail, the rail sensing element being positioned in the radial plane of the flanged wheel when the carriage is placed on the track and emitting a control signal in this position. A hydraulic drive for displacing the carriage transversely with respect to the track links the carriage to the track working machine frame. In response to the control signal, the operation of the hydraulic drive and the transverse displacement of the carriage is interrupted.
Patent CA-2049531-C (CA)
Title: Machine and method for collating wire nails having shank keyways
Inventor: WRIGHT ROBERT W
IPC: F16B15/08
Filed: 1991-08-20
Granted: 1998-10-06
Abstract: Wire nails are collated by means for conveying the nails in a specified manner and by means comprising a wheel for engaging keyways defining flat surfaces on the shanks of the nails.  Each nail is rotated by the wheel, about an axis of the shank of such nail, to such extent as may be then necessary to orient the keyways of such nail and of other nails with such surfaces defining a plane.  The wheel fits between end surfaces defined by the keyways so as to cause the keyways that have been engaged by the wheel to define a continuous channel.
Patent CA-2049683-C (CA)
Title: Sheathed optical fiber
Inventor: CHAPIN J THOMAS
IPC: G02B6/44
Filed: 1991-08-22
Granted: 1995-10-17
Abstract: A sheathed optical fiber which may be used in a package in guidance systems for tethered vehicles includes a carrier on which are wrapped a plurality of convolutions of the sheathed optical fiber. The sheathed optical fiber in a preferred embodiment includes a metallic tubular member with optical fiber being disposed in a longitudinally extending passageway of the tubular member and secured therein against unintended lateral dissociation with the tubular member in a manner which minimize microbending losses. The reinforced optical fiber has mechanical ruggedness and tensile load capability which render it ideal for use in tethered vehicles.
Patent CA-2050004-C (CA)
Title: Mesure de la repartition des concentrations de constituants d'un systeme en centrifugation par emission/reception de signaux mecaniques
Inventor: LENORMAND ROLAND
IPC: G01N29/00
Filed: 1991-08-27
Granted: 2003-01-21
Abstract: - L'invention concerne un procédé et un dispositif de mesure de la répartiti on des concentrations de constituants d'un milieu en centrifugation contenant a u moins un fluide.  - Selon le procédé, on émet pendant la centrifugation un signal mécanique, d e préférence une onde acoustique, à partir d'au moins un point d'émission [19- 22] au contact ou au voisinage immédiat du milieu [6]. On reçoit le signal transmis par au moins un point de réception [20-22] au contact ou au voisina ge immédiat du milieu. On mesure pour chaque couple de point d'émission et de réception au moins une caractéristique de propagation du signal entre le poi nt d'émission et de réception du signal et on détermine par des moyens de traitement appropriés [15] la répartition des concentrations des constituant s présents dans le milieu.  - Une application proposée est le calcul des courbes de pression capillaire et de perméabilités relatives de fluides dans un milieu poreux, en vue notamment d'améliorer l'exploitation des gisements pétroliers.
Patent CA-2051686-C (CA)
Title: Single transistor non-volatile electrically alterable semiconductor memory device with a re-crystallized floating gate
Inventor: YEH BING
IPC: H01L29/788
Filed: 1991-01-18
Granted: 2001-10-23
Abstract: A single transistor electrically programmable and erasable memory cell (10) has a substrate (12) of a semi-conductor material of a first-conductivi-ty type (18). Within the substrate are de-fined source (16), drain (14), regions with a channel region (18) therebe-tween. A first insulating layer (20) is disposed over the subtract (12) and over the source (16) channel (18) and drain (14) regions. An electrically conductive, re-crystallized floating gate (22) is dis-posed over the first-insulating layer (20) and extends over a portion of the chan-nel region (18) and over a portion of the drain region (14) to maximize capaci-tive coupling therewith. A second insu-lating layer (25) has a top wall portion (24) over the floating gate (22) and a side wall portion (26) immediately adja-cent to the floating gate (22) and has a thickness which permits the Flowler-Nordheim tunneling of charges therethrough. An electrically conductive control gate (29) has two electrically connected sections: a first section (30) is over the first insulating layer (20) and is immediately adjacent to the side-wall portion (26) of the second in-sulating layer (25). The first section (30) extends over a portion of the channel region (18) and over the source region (16). A sec-ond section (28) is disposed over the top wall portion (24) of the second insulating layer (25) to minimize capacitive coupling with the floating gate (22).
Patent CA-2061208-C (CA)
Inventor: LEWIS MICHAEL L
IPC: F16H55/49
Filed: 1992-02-14
Granted: 1995-08-08
Abstract: A power transmission sheave and method of manufacturing such sheave wherein the groove of the sheave incorporates critical dimensions to make it adaptable for use with any of several commercially known grooved sheaves and belts therefor, the sheaves having differing proximal  critical  dimensions  including those relating to the side wall angles of slope, the top and bottom widths and the normal groove depths.
Patent CA-2064793-C (CA)
Title: Hydrolytic enzyme inhibitors and substrates and assays, methods and kits embodying same
Inventor: DENNIS EDWARD A
IPC: A61K31/22
Filed: 1990-08-17
Granted: 2001-11-13
Abstract: The present invention provides novel hydrolytic enzyme inhibitors (inactivators) and substrates that have three functional parts: 1) a moiety that is specifically cleavable upon contact of the compound with a specific hydrolytic enzyme which moiety when cleaved is detectable and measurable, 2) a moiety that is recongnized by a specific hydrolytic enzyme and which interacts therewith and the substrate is specifically cleavable upon such interaction and 3) a linker moiety linking moieties 1) and 2). These novel compounds are useful in assays to detect and mesure levels of hydrolytic enzyme activity and are also useful in treatment regimens for various disease states and conditions implicating the underlying specific hydrolytic enzyme. Examples of hydrolytic enzymes include, but are not limited to, phopholipases, lipases, esterases, proteases, etc.
Patent CA-2070285-C (CA)
Title: Input/output command issuing control system in data processing system
Inventor: KIMURA MAKOTO
IPC: G06F13/12
Filed: 1991-10-02
Granted: 1998-04-07
Abstract: An I/O command issuing control system is applied to a data processing system including a processor module provided with a CPU and an adaptor module which is connected to the processor module via a system bus. The adaptor module controls an I/O device on the basis of an I/O command from the processor module. The CPU carries out separate processes after issuing an I/O command and the adaptor module returns a result of a process, which result is based on the I/O command from the processor module. An interrupt request is made, when a process in the adaptor module is unsuccessful, to the CPU inside the processor module in order to provide the CPU with the process result of the adaptor module.
Patent CA-2075297-C (CA)
Inventor: VAN GEEL JACOBUS
IPC: G21G1/08
Filed: 1991-02-18
Granted: 2001-01-16
Abstract: The invention relates to a method for producing actinium-225 and bismuth-213. according to the invention, radium-226 is irradiated in the thermal neutron flux of a nuclear reactor, the thorium fraction of the irradiation product is then chemically isolated and therefrom the actinium and radium mixture growing continuously by decay therein is chemically separated, this mixture serving as "cow" for the desired radionuclides which are growing continuously.
Patent CA-2076427-C (CA)
Title: Vinylidene chloride composition and film made therefrom
Inventor: BEKELE SOLOMON
IPC: C08L33/06
Filed: 1992-08-19
Granted: 2004-06-08
Abstract: A film with properties such as good thermal stability, enhanced extrudability, improved oxygen barrier properties, and reduced stickiness to metal surfaces is made by the use of a vinylidene chloride composition with small amounts of a plasticizer, such as epoxidized oil or epoxidized alpha olefin, and with acrylate/styrene polymer, such as methyl methacrylate/butyl acrylate/styrene polymer, butyl acrylate/ butyl methacrylate/methyl methacrylate polymer, or poly (alpha-methylstyrene).
Patent CA-2076510-C (CA)
Inventor: AMENT FRANK
IPC: B60R16/023
Filed: 1992-08-20
Granted: 1997-07-15
Abstract: An method and apparatus are described for detecting dissolved contaminants in an alcohol-gasoline mixture used for fueling an internal combustion engine and then indicating that the fuel mixture is of substandard quality when the degree of contamination reaches an unacceptable level.  The resistivity of the fuel mixture, which varies as a function of the degree of contamination, is measured using a sensor positioned in the engine fuel supply line.  When the measured resistivity of the fuel decreases below a threshold amount, an indication of substandard fuel quality is provided.  The threshold amount may be a fixed constant, or its value may vary depending upon the proportion of alcohol to gasoline in the fuel mixture. The composition of the fuel mixture is determined by using a capacitive sensor to measuring the fuel dielectric constant.  A separate resistive sensor may be used for sensing fuel resistivity, or the same sensor used for sensing the fuel dielectric constant can be switched between resistive and capacitive measuring circuitry.
Patent CA-2080450-C (CA)
Title: Burst control circuit for use in tdma communications system
Inventor: HASHIMOTO KAZUYA
IPC: H03G3/20
Filed: 1992-10-13
Granted: 1998-08-11
Abstract: A burst control circuit for use in a TDMA communications system comprises a power amplifier having two separate control terminals. A level control signal which is the difference between a reference signal and the level of the output burst signal of the amplifier, feedback-controls the level of the output burst signal through first control terminal, and a waveform control signal having predetermined waveform, controls the waveform of the output burst signal through a second control terminal. When the level of the reference signal is decreased, the amplitude of the waveform control signal is decreased as a function of the level of the reference signal.
Patent CA-2085693-C (CA)
Title: Lateral flow coalescing multiphase separator
Inventor: YOUNG BOBBY W
IPC: B01D17/02
Filed: 1992-12-17
Granted: 2000-07-18
Abstract: Apparatus for separating oil, water, and sludge from a mixture thereof to provide waste oil, usable water, and concentrated sludge. The sludge can be further reduced in volume to facilitate disposal. The invention includes a system having a vessel with a coalesces supported therein and connected to a baffled inlet chamber arranged to eliminate turbulence before entrance of the mixture into the coalesces. The coalesces is supported within the vessel and arranged to form an upper oil containment chamber at the top of the vessel, a contaminated water inlet chamber at one side, a lower sludge containing chamber at the bottom, and a treated water outlet chamber at the other side.      The coalesces comprises a support having opposed frame members.      The opposed frame member, have spaced slots formed therein aligned to receive the marginal ends of a number of corrugated plate members and to dispose the plate members parallel to one another and inclined respective to the horizontal. The corrugations of the plate members, when viewed in horizontal cross-section, form a sinusoidal wave pattern. There being a wide, long, thin, inclined, sinusoidal passageway formed between the plate members that extend from the inlet chamber to the outlet chamber. The oil separates and rises up the inclined troughs to the top of the vessel while the sludge separates and descends down the inclined troughs toward the bottom of the vessel while contaminated water is progressively cleaned and becomes separated water during its gentle flow along the parallel paths and into the outlet chamber while oil and sludge is removed from the mixture.
Patent CA-2086621-C (CA)
Title: Formation of high active detergent particles
Inventor: OFOSU-ASANTE KOFI
IPC: C11D3/33
Filed: 1991-07-03
Granted: 1997-04-15
Abstract: A process for producing high active detergent particles including reacting the acid form of anionic surfactant with an alkali metal hydroxide solution in a continuous neutralization system, and adding to the system an .alpha.-aminodicarboxylic acid selected from the group consisting of glutamic acid, aspartic acid, aminomalonic acid, aminoadipic acid, and 2-amino-2-methyl-pentane-dioic acid, or their salts.  Mono- and disodium glutamate are preferred.
Patent CA-2087809-C (CA)
Title: Fluid line condition detection
Inventor: DOAN DAVID B
IPC: A61M5/168
Filed: 1993-01-21
Granted: 1999-03-30
Abstract: A compliant chamber is formed in a fluid line which connects a fluid supply to a fluid receiver. The compliant chamber is alternately in fluid communication with the upstream and downstream segments of the fluid line. When the chamber communicates with the upstream segment it receives and stores fluid at the head pressure. When the segment communicates with the downstream segment, a pressure equalization pulse occurs. A pressure sensor in the downstream segment measures the pressure equalization pulse which is proportional to the head pressure. Processing the equalization pulse with the downstream fluid system resistance, the compliance of the compliant chamber and the equilibrium pressure results in a determination of the head pressure. Comparing the head pressure to thresholds permits determination of an occlusion or empty fluid supply. Where a peristaltic pump is used, the chamber is formed between the end fingers of the pump.
Patent CA-2089731-C (CA)
Inventor: MAZZANOBILE SALVATORE
IPC: A61K8/21
Filed: 1991-09-10
Granted: 2001-02-20
Abstract: L'invention se rapporte à une pâte dentifrice de composition stable, anti-plaque et anti-gingivite, comprenant un excipient à usage oral, une source d'ions fluorhydrate efficace pour produire une quantité efficace d'ions fluorhydrate anti-caries, un agent abrasif dentaire et une quantité efficace d'un mélange antimicrobien pour réduire la plaque dentaire et la gingivite chez les humains.
Patent CA-2092094-C (CA)
Inventor: DAVIES DONALD S
IPC: C08B31/06
Filed: 1991-09-23
Granted: 2004-08-10
Abstract: An agent is provided herein which is effective against HIV-1 and related viruses. The agent is, or includes, dextrin sulphate containing at most two sulphate groups per glucose unit. The weight average molecular weight of the dextrin sulphate varies from 15,000 to 25,000. Preferably the weight average molecular weight of the dextrin sulphate is at least 15,000. Preferably the agent contains at most 2-sulphate groups per glucose unit and contains at least 50% of polymers of a degree of polymerisation greater than 12.
Patent CA-2094196-C (CA)
Title: Adjustable vehicle-carrying frame
Inventor: GEARIN PETER
IPC: B60P3/07
Filed: 1993-04-16
Granted: 1996-03-12
Abstract: An adjustable frame for carrying vehicles between elongate upright sides includes, on each side, a forward end and a rearward end, each end including an upper and lower rail section joined by elongate brace members, where the respective ends are separated from one another and a length-adjusting insert is carried between such ends to selectively permit adjustment of the posi-tion of the forward end relative to the rearward end while maintaining the ends in end-to-end alignment.  On each side of the frame, preferably at least one of the upper rail sections has an end portion defining an open-ended hollow tube extending lengthwise of that side within which an elongate arm of the length-adjusting insert is slidably moveable so that structures on the outside surfaces of the rail sections will not interfere with length adjustment.  Preferably, on each side, the upper and lower rail sections of the respective ends together define longitudinally aligned upper and lower pairs of open-ended tubes in which are slidably received an upper and lower pair of arms of the length-adjusting insert, thereby permitting the insert to remain perma-nently in position on each side regardless of the length selected.  Preferably, also, the forward and rearward ends of the frame are lockable to the arms of the insert while keeping the insert centered longitudinally with respect to each side.
Patent CA-2095021-C (CA)
Inventor: MUCKENFUHS DELMAR RAY
IPC: B65D85/07
Filed: 1991-10-24
Granted: 1995-09-19
Abstract: A flexible package (10) preferably made of paper or any recyclable material as well as plastic and having an open-ing system (17) that controls and reduces the initial removal forces required to withdraw the compressed flexible (28) arti-cles from the package after the opening device portion of the system has been activated. A reinforcement sheet (24) locat-ed at the lowermost end of the opening system protects the flexible articles (28) contained within the package prior to acti-vation of the opening device, and provides additional sup-port for the package prior to opening. A substantially verti-cally oriented line of weakness located in the reinforcement sheet ruptures automatically when the opening device is acti-vated permitting the flexible articles to fan out further from the package. This automatic rupturing of the reinforcement sheet re-duces the compressive forces acting upon the compressed flexible articles. This in turn permits easier removal of the first few flex-ible articles from the package either one at a time or in multiples.
Patent CA-2095484-C (CA)
Title: Sliding nozzle for molten steel receiving vessel
Inventor: AOKI TAKAFUMI
IPC: B22D41/34
Filed: 1993-05-04
Granted: 1999-03-30
Abstract: A sliding nozzle for a molten steel receiving vessel, which comprises: an upper nozzle (22) made of a refractory inserted vertically into a bottom wall of a molten steel receiving vessel; a fixed plate (23) made of a refractory secured horizontally and stationarily to a lower end of the upper nozzle; a horizontally and reciprocally movable sliding plate (24) made of a refractory arranged below the fixed plate; a lower nozzle (25) made of a refractory secured vertically and stationarily below the sliding plate, the lower nozzle comprising a nozzle body (27) and a metallic frame (28) fitted to a flange (27A) at an upper end of the nozzle body, the lower nozzle having a length sufficient to cause a lower end portion thereof to be immersed into molten steel in a mold; a fitting means (30) for pressing the lower nozzle (25) against the lower end of the upper nozzle (22) through the sliding nozzle (24) and the fixed plate (23); and a driving means (26) for causing the sliding plate (24) to slide horizontally and reciprocally between the fixed plate (23) and the lower nozzle (25).
Patent CA-2101573-C (CA)
Inventor: NISHIMOTO YUTAKA
IPC: B21B45/02
Filed: 1993-07-29
Granted: 1997-10-07
Abstract: A  cleaning  apparatus  for  removing  foreign  matters  from workpieces in the form of strips or sheets cut from a larger blank, before the workpiece is subjected to a press forming operation, which apparatus  includes a  feeding device  for feeding the successive workpieces, de-oiling rolls disposed in an upstream portion of a feed path of the workpieces as seen in a feeding direction and rotated in pressing rolling contact  with  the  surfaces  of  each workpiece  as  each workpiece  is  fed,  so  as  to  remove  by  absorption  oily substances from the surfaces of the workpiece,  and tacky rolls disposed downstream of the de-oiling rolls as seen in the  feeding  direction  and  rotated  in  pressing  rolling contact with the surfaces of the workpiece, so as to remove by tackiness thereof the foreign matters from the surfaces of the workpiece.
Patent CA-2101765-C (CA)
Title: Method for bonding lignocellulosic material with phenol-formaldehyde resin and carbon dioxide
Inventor: CREEL LEWIS D
IPC: B27N3/08
Filed: 1993-08-02
Granted: 1999-03-16
Abstract: Subjecting lignocellulosic components coated with an aqueous alkaline phenolic resole resin solution to carbon dioxide inhibits overpenetration of resin and improves bond strength when the coated components are heated to cure the resin by application of steam and pressure in the preparation of structural panels.          Also, contact with carbon dioxide of high moisture resin coated lignocellulosic components accelerates the speed of cure and improves bond strength of panels cured under heat and pressure.
Patent CA-2106883-C (CA)
Inventor: ERWIN MICHAEL S
IPC: B66C13/40
Filed: 1993-09-24
Granted: 1996-07-23
Abstract: A tubular warning sleeve for surrounding a pendant cord above a control station of an apparatus having a pendant control, the warning sleeve comprising a sheet of flexible material having opposite ends, the sheet including an outer surface having thereon warning information, the sheet being rolled up so that the ends overlap, and the ends being secured together by fasteners to form the sleeve, each of the ends of the sheet being provided with apertures for the fasteners, one of the ends of the sheet being provided with at least two sets of apertures for the fasteners such that the diameter of the sleeve is adjustable.
Patent CA-2109379-C (CA)
Inventor: CARROLL JOHN B
IPC: B60T15/42
Filed: 1993-10-27
Granted: 1998-01-20
Abstract: A spool type valve arrangement in which a booster spring is employed to overcome static friction of the spool valve O-rings and thereby assure prompt actuation of the spool valve member.   The arrangement is such that the booster spring is only active through a limited distance of travel from release position toward application position, this limited distance of spool valve travel being selected so  as  to  occur prior  to  any  transition  of  the  port connections controlled by the spool valve.  In this manner, the spool valve return spring force need not be increased in order to reset the spool valve sufficiently to re-establish the original spool valve port connections.