baber/WOPTO huggingface dataset:
Patent CA-2120064-A1 (CA)
Title: Air-filtering hydraulic reservoir breather cap
Inventor: SPRINGSTON ERIC
IPC: F01M13/04
Filed: 1994-03-28
Abstract: ABSTRACT OF THE DISCLOSURE      The present invention features a breather cap for use in venting an oil reservoir.  The cap vents high-velocity air flowing out of the oil reservoir, entraining the droplets of oil that are suspended in the escaping air.  The breather cap is designed to slow the speed of the escaping air.  This slowing mechanism is usually a large-volume chamber that is typically placed within the bottom of the cap.  The air is directed against a deflector plate or a deflecting surface on top of the chamber.  This deflected air deposits the tiny droplets upon the deflection surface.          The separated oil is caused to pool or accumulate and drip back into the bottom of the chamber and then into the oil reservoir.  The purified, lighter air thus rises above the deflector and is then vented through exit holes located in the top or side of the cap.
Patent CA-2120861-A1 (CA)
Title: Pharmaceutical compounds
Inventor: AMBLER SAMANTHA J
IPC: A61P3/10
Filed: 1994-04-08
Abstract: Abstract This invention provides novel compounds and pharmaceutical methods comprising the administration of a compound of the Formula I:                                  (I) wherein n, m, R1, R2, R3 and R4 are variables.
Patent CA-2123996-A1 (CA)
Title: Enclosed basket-style carrier
Inventor: SCHUSTER RICHARD LEE
IPC: B65D71/00
Filed: 1993-08-18
Abstract: A basket-style carrier having a top panel for enclosing the carrier. The top panel comprises flaps (46, 48) foldably connected to the side panels (12, 14) which contain openings (56) through which a top portion of the articles (B) packaged in the carrier extend. The flaps also include at least one fold line (50, 52) extending parallel to the side panels, allowing the flaps to be folded over so that their free ends (54) extend to and contact the center partition (30) of the carrier. This biases the top panel flap edges against the center partition and an edge of the opening against the underside of flanges or other transversely extending projections (F) of the articles packaged in the carrier. The handle in a center partition (30) may be designed as a three-ply reinforced handle (30, 80, 122).
Patent CA-2125010-A1 (CA)
Inventor: HUVEY MICHEL
IPC: B29C53/56
Filed: 1994-06-02
Abstract: DISPOSITIF DE LIAISON MECANIQUE EN RESINE RENFORCEE DE FIBRES BOBINEES PROCEDE DE FABRICATION La présente invention concerne un dispositif de liaison mécanique entre deux éléments. Le dispositif comporte des fibres enrobées de résine bobinées autour d'un axe principal et en boucle autour d'au moins un trou d'axe proche d'une direction orthogonale à l'axe principal. L'invention concerne également un procédé de fabrication de pièce mécanique par enroulement filamentaire autour d'un mandrin entraîné en rotation autour d'un axe, certains enroulements ayant pour axe, l'axe de rotation et d'autres enroulements ayant un axe d'enroulement différent de celui de rotation.
Patent CA-2125035-A1 (CA)
Title: Substituted benzyl carbamates with herbicidal properties
Inventor: REMPFLER HERMANN
IPC: C07C323/12
Filed: 1993-10-22
Abstract: Substituted benzyl carbamates of formula (I), wherein R is halogen, trifluoromethyl, cyano, nitro or C1-C3haloalkoxy; Z is hydrogen or halogen; or Z and R together in 2- and 3-position of the phenyl ring form the group -OCF2O-; R1 is C1-C5alkyl;  R2 and R3 are each independently of the other hydrogen, methyl or ethyl; X is oxygen, sulfur, -SO- or -SO2-; Y is hydrogen, halogen, C1-C3alkyl, C1-C3haloalkyl, C1-C3alkoxy or cyano; and n is 0, 1 or 2; and the diastereoisomers thereof, have pre- and postemergence herbicidal properties. The preparation of these compounds and the use thereof as herbicides are described.
Patent CA-2127883-A1 (CA)
Title: A method for amplifying and detecting a target nucleic acid sequence of hiv-1
Inventor: ZELDIS JEROME B
IPC: C12Q1/70
Filed: 1993-01-13
Abstract: A direct method for detecting viral nucleic acid of HIV-1 in a biological sample suspected of containing the target nucleic acid by adsorption of the biological sample onto a solid support coupled to an anti-HIV-1 envelope antibody, followed by amplification of the target nucleic acid sequence and detection of the amplified product. Amplification methods which can be used include the polymerase chain reaction and the ligase chain reaction.
Patent CA-2128204-A1 (CA)
Title: Tapered semiconductor laser gain structure with cavity spoiling grooves
Inventor: WALPOLE JAMES N
IPC: H01S5/50
Filed: 1993-01-28
Abstract: A semiconductor laser gain structure having a tapered gain region (31) comprising cavity spoilers (48, 50) for receiving light which is reflected off of the output facet (38) back into the semiconductor and removing it from the gain region (31) so as to reduce or eliminate self-oscillation. The boundaries of the gain region (31) are also designed to have a very low refractive index gradient so as to minimize reflection of light off of the boundaries back imo the gain region (31). The gain structure (33) may be embodied in a semiconductor laser oscillator or semiconductor laser amplifier depending on whether the input facet (34) is or is not, respectively, anti-reflection coated. The output facet (38) is anti-reflection coated in either embodiment.
Patent CA-2129567-A1 (CA)
Title: Fast-acting automatic gain control arrangement
Inventor: CHADWICK PETER E
IPC: H03G3/30
Filed: 1994-08-05
Abstract: ABSTRACT     FAST-ACTING AUTOMATIC GAIN CONTROL ARRANGEMENT A fast-acting automatic gain control arrangement comprises a gain-controlled amplifier stage, a detector stage and a time delay means. The amplifier stage and detector stage are fed in parallel from an input signal and the output of the detector stage is used to adjust the gain of the amplifier stage. The time delay means is included in series with and upstream of the amplifier stage. Means may be included in the control circuit to modify (e.g linearise) the transfer function of the gain-control function, and this may include provisions for inputting an external modifying signal. The detector is preferably a successive logarithmic amplifier to ensure that the automatic gain control arrangement can handle a wide input dynamic range.          Figure 3
Patent CA-2129894-A1 (CA)
Title: A base for dental prostheses and the like for implantation in bone
Inventor: ARZT ERICH
IPC: A61C13/32
Filed: 1993-03-02
Abstract: The base (1) includes an outer body (2) of biocompatible metallic material with a cavity (3) in which an inner body (4) of biocompatible metallic material with a seat (8) for holding a prosthesis is disposed with the interposition of a layer (5) of shock-absorbent material. An annular retaining element (10) connected to the edge of the cavity (3) in the outer body (2) has a resiliently-deformable inner edge (10b) which engages a corresponding outer collar (4a) on the inner body (4) so as to be resiliently preloaded thereby.
Patent CA-2131595-A1 (CA)
Inventor: DECKER DAVID P
IPC: E21B43/119
Filed: 1994-09-07
Abstract: ABSTRACT OF THE DISCLOSURE In the representative mode for practicing the invention disclosed herein for accurately positioning tubing-conveyed well bore apparatus in a well bore a retrievable MWD tool having a radiation detector is positioned in the lower portion of a tubing string carrying a tubing-conveyed perforator carrying shaped explosive charges. Once the tubing string has been lowered into a well bore, the MWD tool is operated for transmitting signals which are representative of the radioactive characteristics of either a radioactive marker at a known depth or the formations adjacent to the MWD tool. The signals are correlated fordetermining the location of the tubing-conveyed perforator within the well bore. The correlated data is used for adjusting the tubing string so as to accurately position the tubing-conveyed perforator at a desired depth location.
Patent CA-2134907-A1 (CA)
Title: End-insertion data terminal dock with positive data terminal lock and bounce prevention contact engagement bias
Inventor: PAVEK JOHN G
IPC: G06K13/08
Filed: 1994-11-02
Abstract: Abstract of the Disclosure A docking device for a data collection terminal comprises a latch which positively retains an inserted data collection terminal in  a  docking  position  in  which  communication  contacts  are communicatively coupled to complementary contacts on the docking device.  The latch urges an inserted data collection terminal into a latched rest position with an optimal minimum contact engagement force, such that any shock or vibration has a tendency to increase the contact engagement force to thereby eliminate an inadvertent opening of contacts due to shock or vibration.
Patent CA-2137358-A1 (CA)
Title: Safety ball having a cloth cover
Inventor: KINNEE BRUCE E
IPC: A63B37/12
Filed: 1993-05-20
Abstract: A safety game ball (21) with a cloth cover (23) having a flat stitched seam (31) and method of manufacturing the same. The safety game ball (21) includes a spherical core (22) formed of an elastically-deformable material, a flexible cloth cover (23) mounted over and enclosing the core (22) and having cover edges (28, 29) juxtaposed along a circumferentially-extending butt seam (31). An edge binding assembly (32) including a cloth-edge reinforcing strip (33) and a plurality of binding stitches (34) closely proximate to each of the edges (28, 29) is provided, and a plurality of seam stitches (36, 36a) extend from a position (37) inwardly of the edge binding assembly (32) on one side of the seam (31) to a position (38) inwardly of the edge binding assembly (32) on the other side of the seam (31).
Patent CA-2137922-A1 (CA)
Title: Refractory block for continuous casting
Inventor: TERAO MASARU
IPC: B22D41/50
Filed: 1993-03-22
Abstract: ABSTRACT      The invention is technically constituted such that the outer peripheral surface of the one-body assembly of the plate brick and submerged nozzle is enclosed directly by a one-body metal casing, that the plate brick accom-modated in a metal casing is joined through mortar or packing with the dowel portion of the submerged nozzle accommodated in another cylindrical metal casing, and the two metal casings are welded together, that the plate brick and the submerged nozzle are formed as a one-body refractory block, this block is enclosed by the one-body metal casing whereby said one-body refractory block may be mounted with the one-body metal casing through castable refractory, that said one-body refractory block may be combined with a hetero-material refractory, or that a porous brick is involved between the plate brick and the submerged nozzle so as to be mounted in a one-body metal casing whereby said porous brick may be provided with a feed and discharge pipe piercing through the metal casing.          Further, the invention is characterized in that a steel sleeve is of such shape that can fit and mount an assembly of the plate brick and submerged nozzle of a continuous casting slide gate valve apparatus, said steel sleeve has a shoulder (3) in the upper portion of the submerged nozzle side, and the submerged nozzle and the plate brick are fitted and mounted together through a pressing force-giving (4) ring having a desired thermal expansion coefficient in the inner peripheral surface of said shoulder (3).     Furthermore, the invention is characterized in that the steel sleeve mounted with a continuous casting plate brick (1) and the pressing force-giving ring (4) are internally provided in the shoulder (3), and the steel sleeve (10a) mounted with a submerged nozzle (2) is fitted and welded together with them.  Alternatively, the shoulder (3) of said steel sleeve may be crossed straight with or inclined to the axis of the submerged nozzle, or an air-cooling jacket (12) may be provided in the outer periphery of the steel sleeve.
Patent CA-2139920-A1 (CA)
Title: Method for the preparation of polysaccharide derivatives
Inventor: VISSCHEDIJK PAULUS J
IPC: A23L33/20
Filed: 1995-01-10
Abstract: The invention relates to a method for the preparation of poly-saccharide derivatives by reaction of at least a saccharide, such as glucose, maltose or glucose syrup, a "food grade" polycarboxylic acid, such as citric acid, or inorganic acid, such as phosphoric acid, which also acts as catalyst, and optionally a polyol, such as sorbitol, under the influence of electromagnetic waves to give a reaction product at a temperature of 140-300 °C. Preferably, the envisaged reaction is carried out in a commercially available micro-wave oven having a wave frequency in the range of 900-2500 MHz. The products obtained can be incorporated as low-calorie "bulking agents" in diet foods, such as dessert, cake and the like.
Patent CA-2143792-A1 (CA)
Inventor: SCHOENE KEITH R
IPC: B23D45/04
Filed: 1995-03-02
Abstract: A compound miter saw with an adjustable/bypassable bevel stop is disclosed.  The compound miter saw includes a turntable rotatably mounted on a supporting frame. A power driven saw blade is pivotally mounted to the turntable and moves along a predetermined path from an upper raised to a lower operational position that includes a saw blade slot in the turntable.  A bevel adjusting features selectively rotates the power driven saw blade relative to the turntable. The adjustable/bypassable bevel stop includes predetermined bevel stop settings at set angles, for example, such as 0° and 45°, as well as an over-riding feature when angles either less than or greater than the predetermined bevel stop settings are desired.  The over-riding feature does not require re-adjustment of the predetermined  bevel stop settings.
Patent CA-2145035-A1 (CA)
Title: Polyiodinated compounds, process for preparing them and diagnostic compositions
Inventor: PETTA MYRIAM
IPC: C07C233/16
Filed: 1995-03-20
Abstract: The  invention  relates  to  the  compounds  of formula:                        in which R1, R2, R3, R4, R5, R6 are selected independently from the iodine atom and the groups:              ;               and      ;     in which:     A represents nothing or (C1-C4)alkylene, which is optionally hydroxylated; R7, R8, R9, R10, R11 and R12, which are identical or different,  represent  H,  (C1-C10)alkyl,  which  is optionally hydroxylated or carrying one or more (C1-C3)alkoxy   groups,   which   are   optionally hydroxylated or, with the nitrogen atom to which they are attached, R7 and R8, R9 and R10 or R11 and R12  can  form  independently  a  5-  to  8-membered saturated   heterocycle,   which   is   optionally hydroxylated, with the proviso that that at least 4 groups among R1, R2, R3, R4, R5 and R6 represent the iodine atom and that the compounds of formula I contain 10 to 24 hydroxyl groups, it being possible for the alkyl, alkoxy and alkylene to be linear or branched, which can be used as contrast agents in the diagnogtic X-ray radiography.
Patent CA-2151638-A1 (CA)
Title: Interactive television system and method
Inventor: BRASSARD JEAN-PAUL
IPC: H04N7/16
Filed: 1995-06-13
Abstract: The present invention relates to a method of providing an interactive program to a television user comprised of transmitting a television program, and transmitting variables relating to possible television program choices, storing the variables at a user location, displaying the television program, and modifying the variables from the user location during the progress of the television program, to change the progress of the television program, whereby program choice variations under control of a user location based on variables modified at the user location rather than modified from a head end are obtained.
Patent CA-2154655-A1 (CA)
Inventor: BACHER HELMUT
IPC: B29C48/693
Filed: 1994-02-02
Abstract: A filter device for molten thermoplastics has a casing in which two filter plates are arranged parallel to each other and spaced apart.  The melt to be filtered is taken to these filter plates via an inlet channel.  The impurities collected on the inlet side of the filter plates are continuously removed by a doctor having a plurality of doctor blades separately arranged along curved paths so as to force the impurities to the centre of the filter plates, where the impurities enter an outlet channel in which they are removed by means of at least one worm.
Patent CA-2155300-A1 (CA)
Inventor: KIZAKI HIROYUKI
IPC: B23K11/36
Filed: 1992-04-24
Abstract: A cutter for use in an electrode tip dresser, which has a cutter holder for holding the cutter and dresses an electrode tip for a resistance welding apparatus, has a rising portion which has a cutting tooth for cutting a front peripheral portion of the electrode tip and a flat portion which faces a front end surface of the electrode tip.   The flat portion has a single cutting tooth for cutting the front end surface of the electrode tip.  The single cutting tooth extends from that central point of the cutter as and origin which coincides with an axis of rotation of the cutter holder towards a predetermined radial direction.  An origin portion of the single cutting tooth further extends beyond the central point towards a direction which is opposite to the radial direction.
Patent CA-2156688-A1 (CA)
Inventor: ASPLUND GUNNAR
IPC: H02J1/00
Filed: 1995-08-22
Abstract: A converter connection for conversion between alternating voltage and direct voltage, for connection to a power network (DCN) having a neutral pole (P0) and at lest one pole (P+,P-) energized by direct voltage in relation to the neutral pole, comprises a voltage-source converter (VC) with two direct-voltage terminals (DP, DM). At least one of the direct-voltage terminals of the converter is connected by means of an elec-tric pole conductor (W1, W12, W11, W21, W2) to at least one of the poles of the power network which are energized by direct voltage. The converter connection further comprises two valves (V7, V8) mutually series-connected at a common point of connection (J), each of said valves comprising a gate turn-off semiconductor valve (T1) and a diode valve (D1) connected thereto in anti-parallel connection, said series connection being connected between the direct-voltage terminals of the converter, and a reactor (SL) with a first terminal (T1) connected to the connection point and a second terminal (T2) which communicates with the neutral pole in an electrically conducting connection. The converter connection may be accommodated in a converter station (SR1 and SR2, respecti-vely) included in an installation for transmission of high-voltage direct current.
Patent CA-2157692-A1 (CA)
Title: Process for producing paper and paperboard having high mechanical strength
Inventor: MARZOLINI FAUSTO
IPC: D21H17/66
Filed: 1995-09-07
Abstract: Process for producing paper and paperboard  which comprises adding to a cellulose pulp stock a natural starch and an aluminum and/or iron salt.  The so obtained cellulose pulp stock  is  then  submitted  to  dewatering and  subsequent calendering according to conventional techniques. In such a way, retention of the natural starch on the cellulose fibers is remarkably increased. To further increase retention it is particularly advantageous to pre-mix the natural starch with the aluminum and/or iron salt and then to add the resulting mixture to the cellulose pulp stock.
Patent CA-2161984-A1 (CA)
Inventor: LEPRE DOMINIC
IPC: E04F11/18
Filed: 1995-11-02
Abstract: A touch activated illuminated hand rail assembly includes a hand rail in the form of an elongated opaque rigid hollow member having a construction of an outer plastic dielectric layer and an inner metallized layer so  that  the  member  functions  as  a  capacitor  which discharges electrical charge when touched by a person, a light  bulb,  such  as  an  elongated  fluorescent  tube, disposed within the hollow member, a pair of conductor wires which connect to an external alternating current power source to provide electricity to the light bulb, an elongated cutout formed in the hollow member through which light emitted by the light bulb may shine outward to illuminate the area where the hand rail is installed, a  timer  device  which  turns  on  the  light bulb when electrical charge is discharged from the hollow member and turns off the light bulb after passage of a fixed period of time,  and a plurality of mounting brackets which  attach  the  hollow member  to  a wall  or  other surface where a person may grasp it for support.  As an alternative  to  an  external  source  of  alternating current,  batteries  disposed  within  a  battery compartment formed in one of a pair of end caps which are removably attached to the end of the hollow member serve as a direct current power source for the light bulb.   A low battery power indicator light indicates when it is time to replace the batteries.
Patent CA-2163201-A1 (CA)
Title: Reduced lead bismuth yellow brass
Inventor: RUETZ ROLAND L
IPC: C22C9/04
Filed: 1994-05-16
Abstract: Reduced lead bismuth yellow brasses are disclosed that are primarily useful for plumbing applications. Very low levels of grain refiners are used to increase dezincification resistance, to improve polishability, and for other desired characteristics. Silver and boron are preferred grain refiners.
Patent CA-2163368-A1 (CA)
Title: Production of white liquor
Inventor: PETTERSSON BERTIL
IPC: D21C11/04
Filed: 1994-06-03
Abstract: A method of producing white liquor having enhanced and/or reduced sulphidity in the recovery of chemicals in a sulphate pulp process is described. In the method one starts from a calcium sulphide rich smelt of inorganic chemicals, which has been obtained by simultaneous combustion of black liquor and processing of lime sludge. This smelt is treated with an aqueous solution, whereupon the calcium sulphide in the smelt is present in a solid form and the rest of the chemicals are in solution. Thereupon the solid calcium sulphide is separated and the obtained solution is processed as a green liquor in per se known manner to a white liquor having reduced sulphidity, whereupon optionally the separated solid calcium sulphide is mixed with the required amount of white liquor to a white liquor having enhanced sulphidity.
Patent CA-2165484-A1 (CA)
Inventor: SWAMINATHAN KUMAR
IPC: G10L25/93
Filed: 1995-12-18
Abstract: The present invention provides a multi-mode CELP encoding and decoding method and device for digitized speech signals providing improvements over prior art codecs and coding methods by selectively utilizes backward prediction for the short-term predictor parameters and fixed codebook gain of a speech signal.  In order to achieve these improvements, the present invention provides a coding method comprising the steps of classifying a segment of the digitized speech signal as one of a plurality of predetermined modes, determining a set of unquantized line spectral frequencies to represent the short term predictor parameters for that segment, and quantizing the determined set of unquantized line spectral frequencies using a mode-specific combination of scalar quantization and vector quantization, which utilizes backward prediction for modes with voiced speech signals.          Furthermore, backward prediction is selectively applied to the fixed codebook gain in the modes that are free of transients so that it may be used in the fixed codebook search and fixed codebook gain quantization in those modes.