baber/WOPTO huggingface dataset:
Patent NO-178293-C (NO)
Inventor: OTTESTAD JACK B
IPC: B25D9/12
Filed: 1992-06-22
Abstract: An impact hammer according to this invention has a frame to house its actuating mechanism and to support a working impact tool which is to receive a sharp impact blow from the impact hammer and deliver it to a structure or formation that is to be pierced or fragmented. The impact tool projects from the frame and is axially reciprocable in the frame. A hammer head is reciprocably mounted in the frame with a close sliding fit. It has an impact face that faces toward the impact tool to strike the tool when the impact is intended to occur. At positions beyond this intended range, the hammer head is braked so it does not impact the frame. The blow to the tool is a high-energy, sharp blow, and is not intended to contribute a follow-on application of force after the initial impact. The hammer head has a shank, a loading shoulder and a poppet port. A poppet is reciprocably fitted in the hammer head with a poppet head so proportioned and arranged as to close the poppet port to enable the impact hammer to be loaded, and to be abruptly removed from the poppet port to enable the impact hammer to be fired. A firing pin is fitted in the frame to cooperate with the poppet to unseat the poppet when the impact hammer is to be fired.
Patent NO-179936-C (NO)
Inventor: NIJENHUIS DERK
IPC: B62D61/12
Filed: 1993-03-31
Abstract: PCT No. PCT/NL91/00198 Sec. 371 Date Jun. 1, 1993 Sec. 102(e) Date Jun. 1, 1993 PCT Filed Oct. 11, 1991 PCT Pub. No. WO92/06882 PCT Pub. Date Apr. 30, 1992.A vehicle is provided with a number of retractable supporting wheels. When this vehicle is coupled to a load, the supporting wheels can be lifted off the ground so that a very easily controllable assembly is produced. Through the correct selection of the position of the center of gravity, the wheel pressure on the drive wheels is as great as possible. Due to the fact that the supporting wheels can be raised independently, coupling with a load is facilitated.
Patent NO-180536-C (NO)
Inventor: RADIMERSKI PAUL
IPC: C07C211/46
Filed: 1993-12-28
Abstract: A process for the preparation of 2-alkyl-6-methyl-N-(1'methoxy-2'-propyl)-aniline by catalytic reductive alkylation wherein at least one mole equivalent of methoxyacetone is reacted with one mole equivalent of 2-alkyl-6-methyl-aniline in a liquid medium without an additional solvent, in the presence of a platinised carbon catalyst and hydrogen and in the presence of an acid cocatalyst under a hydrogen pressure of between 2 x 10<5> and 1 x 10<6> Pa at a temperature between 20 and 80  DEG C, characterised in that the reaction mixture contains water from the beginning of the reaction and after the hydrogenation, base is added, the reaction mixture is filtered to separate the catalyst and the title compound recovered from the filtrate. The process is particularly useful for the preparation of N-substituted chloracetanilide herbicides.
Patent CA-2009344-C (CA)
Title: System for accurately monitoring aircraft position during training exercises
Inventor: SCHWAB CARL E
IPC: G01S13/78
Filed: 1990-02-05
Granted: 1994-12-06
Abstract: Tracking system for monitoring aircraft position during simulated training exercises.  Standard IFF transponders on the  aircraft  are  periodically  enabled  by  a  squitter transmitter mounted on the aircraft.   On the ground a plurality of receiving stations are interconnected through a communication link.  The transponder replies are received at each receiving station, The time of arrival for each of the transponder replies is measured and communicated to one of  the  receiving  stations.    Using  Loran  techniques, accurate  longitudinal  and  latitude  coordinates  are determined from the time of arrival data.
Patent CA-2028942-C (CA)
Title: Track jump control circuit
Inventor: NAKANE HIROSHI
IPC: G11B7/085
Filed: 1990-10-30
Granted: 1995-10-03
Abstract: A track jump control circuit is disclosed, which comprises a pick-up for reading information stored on a disc, a motor for moving the pick-up to the radius direction of the disc, a speed detector for detecting the moving speed of the pick-up and for outputting a speed signal, an integration circuit for generating a signal according to the moving amount of the pick-up according to the speed signal being detected, a reference voltage generation circuit for generating a reference signal according to the distance for which the pick-up is moved in a track jump mode, a comparator for comparing the reference signal with the signal according to the moving amount and for sending a difference signal to the motor, and a controller for stopping sending the difference signal to the motor when the difference signal is in a predetermined range.    When the difference signal between the reference signal and the signal according to the moving amount is in the predetermined range, the completion of the track jump operation is determined.  Thus, the determination of the completion of the track jump operation is not much affected by an external vibration.
Patent CA-2029054-C (CA)
Title: Method and apparatus for congestion control in a data network
Inventor: HAHNE ELLEN L
IPC: H04L12/56
Filed: 1990-10-31
Granted: 1996-05-14
Abstract: A method of controlling congestion in a virtual circuit packet network. An initial packet buffer is assigned  to each virtual circuit at each node into which incoming packets are stored and later removed for forward  routing. If a larger buffer is desired for a virtual circuit to service a larger amount of data, then additional buffer space is dynamically allocated selectively to the virtual circuit on demand if each node has sufficient unallocated buffer space to fill the request. In one embodiment,  the criterion for dynamic allocation is based on the amount of databuffered at the data source. In alternative  embodiments,  the criteria for dynamic allocation may be further based on the amount of data buffered at each node for a virtual circuit and the total amount of free buffer space at each node of a virtual circuit. Signaling protocols are disclosed whereby data sources and virtual circuit nodes maintain consistent information describing the buffer allocations at all times.
Patent CA-2036074-C (CA)
Title: Contact adhering method and adhesive therefor
Inventor: NISHIKAWA NOBUYOSHI
IPC: C09J5/00
Filed: 1991-02-11
Granted: 2002-06-04
Abstract: The adhesive to be used for the proposed method does not include any solvent and is safe for hygiene and effective for fire prevention. The adhesive is of a contact type, which permits adherends to be easily fastened without being temporarily pressed, and is applicable to any type of adherends contrary to aqueous adhesives, and is cured under room temperature in a relatively short period of time even if the adherends are not of a moisture-permeating type.
Patent CA-2042121-C (CA)
Title: Clear impact-resistant plastics
Inventor: WANAT ROBERT A
IPC: C08L51/00
Filed: 1991-05-08
Granted: 2002-11-26
Abstract: Plastics prepared from blends of polymers of methyl methacrylate with heterogeneous core/shell polymers having an poly(alkyl acrylate) core and a poly(alkyl methacrylate) shell exhibit improved color when the heterogeneous core/shell polymer is treated with a reducing agent.
Patent CA-2054182-C (CA)
Title: Insulation clip
Inventor: PUKAS PAUL
IPC: E04F13/08
Filed: 1991-10-24
Granted: 1995-09-19
Abstract: A clip is disclosed for retaining an insulation panel or the like to a planar surface.  The insulation panel has opposite edges provided with a tongue and groove formation for matingly interlocking with adjacent like panels.  The clip  comprises  a piece of sheet material  having a base adapted to lie flush on the planar surface upon which the insulation panel is to be mounted.  The base is adapted to be  secured  to  the  planar  surface.    The  clip  has  an interlock portion adapted to  follow the contours of the joint between adjacent tongue and groove interlocks.   The interlock portion terminates within the thickness of the insulation  panel.    The  interlocking  member  has  a  slot extending substantially perpendicular to said base portion for receiving a fin member.   The fin member engages the interlocking  member  and  projects  outwardly from  the interlock member for engaging a cut in each of the opposite edge surfaces of the insulation panel whereby the fin member restricts relative sliding movement between the clip and the insulation  panel  when  said  clip  retains  said  insulation panel to the wall surface.
Patent CA-2054277-C (CA)
Inventor: SCHMALZ A CHANDLER
IPC: D06M101/16
Filed: 1991-10-25
Granted: 1996-07-16
Abstract: An improved method for producing hydrophobic polyolefin-containing staple fiber for processing, with reduced waste and improved crimp by sequential treatment with two finish compositions comprising at least one neutralized phosphoric acid ester and at least one polysiloxane of defined classes and amounts.
Patent CA-2059691-C (CA)
Title: Coriolis effect meter using optical fiber sensors
Inventor: KALOTAY PAUL ZOLTAN
IPC: G01F1/84
Filed: 1992-01-20
Granted: 1997-05-13
Abstract: A Coriolis mass flow rate meter for measuring the mass flow rate of material flowing through a conduit. The flow meter includes at least one flow tube (12 and 14) through which the material to be measured passes. The flow tube is vibrated at its natural frequency so that the concurrent flow of material through the vibrating tube produces a displacement of the tube with the magnitude of the displacement being dependent upon the magnitude of the generated Coriolis forces and the mass flow rate of the measured material.  The phase of the displacement of the flow tube is measured using optical fiber sensors (170L and 170R) comprising at least one loop of optical fiber which is flexed by the displacement of the flow tube.  This flexing of the fiber causes a corresponding change in its optical conductivity  and  a  corresponding  change  in  the intensity of the light transmitted through the fiber from a light signal source (160) to a signal detector (192L and 192R).  The modulated light signal received by the optical signal detector is converted to an electrical signal which is processed to generate the mass flow rate and other information for the flowing material.   A feedback circuit (201)  for the light signal source monitors the average intensity of the light received by the signal detector and controls the drive signal  (202)  applied to the light source to maintain the average intensity of the light signal received by the detector at a predetermined initial intensity.
Patent CA-2072324-C (CA)
Title: Device for the extraction of cartridges adapted to any espresso machine
Inventor: FOND OLIVIER
IPC: A47J31/06
Filed: 1992-06-05
Granted: 2002-08-06
Abstract: The invention relates to a device for the extraction of cartridges comprising an extraction head (1) with a water distributing grill (8), a tightening ring (2) with tightening ramps (17) and a seal (3) surrounding the Water distributing grill and raised in relation thereto and a cartridge holder support (14) designed to engage on the tightening ramps of the tightening ring. The water dis-tributing grill (8) comprises projecting elements (12) on its lower face while the cartridge holder support (14) comprises a cartridge holder (15) which is detachably arranged in the support, which has a frustoconical inner shape adapted to the outer shape of the cartridge to be extracted and which comprises a seal (24) on its outer rim.
Patent CA-2073546-C (CA)
Title: Stabilized creatine kinase control or calibration fluid
Inventor: DAGGETT STEPHEN GREGORY
IPC: C12Q1/50
Filed: 1992-07-09
Granted: 1996-04-23
Abstract: A method of stabilizing creatine kinase in a protein solution is disclosed.  Sulfhydryl groups in the protein solution are modified and rendered unreactive with creatine kinase.
Patent CA-2073604-C (CA)
Inventor: LADOUCE JEAN-PIERRE
IPC: B29C33/02
Filed: 1992-07-10
Granted: 2002-10-22
Abstract: Chaque secteur 1 du moule comporte un support 10 et une garniture de moulage 11. Le contact des secteurs 1 entre eux et des secteurs sur chaque coquille latérale 2 se fait par l'intermédiaire de segments 3 de faible section, comprimés élastiquement lors de la fermeture du moule, de façon à assurer une étanchéité totale de celui-ci.
Patent CA-2077047-C (CA)
Inventor: TANAKA SO
IPC: H01L39/14
Filed: 1992-08-27
Granted: 1998-02-10
Abstract: For manufacturing a superconducting thin film having at least one non-superconducting region at and near its surface portion, an oxide superconductor thin film is formed on a surface of the substrate. The oxide superconductor thin film is heated in high vacuum environment so that oxygen of the oxide superconductor crystals escapes from the surface of the oxide superconductor thin film and a surface portion of the oxide superconductor thin film having a substantial thickness changes into non-superconducting layer of a compound oxide which is composed of the same constituent elements as those of the oxide superconductor but includes the oxygen amount less than that of the oxide superconductor and a thin superconducting channel is formed under the non-superconducting layer.  A portion of the non-superconducting layer, which will become the non-superconducting region is selectively masked, and heated in an oxidation atmosphere so that oxygen penetrates into the non-superconductor layer from exposed surface and the compound oxide of the exposed portion of the non-superconductor layer changes into the oxide superconductor which is electrically connected to the superconducting channel.
Patent CA-2081157-C (CA)
Inventor: BREHM CLAUDE
IPC: B29C59/10
Filed: 1992-10-22
Granted: 1999-01-19
Abstract: Dispositif de traitement de surface par décharge couronne. Dispositif de traitement de la surface d'un corps par décharge couronne comprenant : - une enceinte de réaction fermée dans laquelle peut défiler ledit corps à traiter le long d'un axe dit de passage, - une électrode portée à un potentiel dit de traitement, - une contre-électrode portée à un potentiel inférieur en valeur absolue à celui de ladite électrode, ladite contre-électrode entourant ledit axe de passage et lesdites électrode et contre-électrode étant disposées de manière à définir au voisinage dudit axe de passage une zone dite plasmagène dans laquelle se produit ladite décharge couronne, - au moins un passage ménagé dans ladite enceinte pour l'amenée d'un gaz réactif plasmagène destiné au traitement, caractérisé en ce que ladite électrode (4) est munie d'une pluralité de portions de faible rayon de courbure, c'est-à-dire ayant des extrémités effilées ou pointues, orientées vers ledit axe de passage (X) et disposées de sorte que les projections de leurs extrémités de faible rayon de courbure sur un plan orthogonal audit axe de passage (X) entourent la projection sur ledit plan du contour externe dudit corps à traiter (F) ainsi que celle dudit axe de passage (X).
Patent CA-2088973-C (CA)
Title: Process for the purification of acetic anhydride and acetic acid
Inventor: ZOELLER JOSEPH R
IPC: C07C51/487
Filed: 1991-08-09
Granted: 1998-09-29
Abstract: A process for the purification of a mixture of acetic anhydride and acetic acid obtained from carbonylation processes utilizing iodine and/or iodide compounds by a sequential peroxide-hydrogen treat ment process.
Patent CA-2093021-C (CA)
Title: Solid highly chelated warewashing detergent
Inventor: STEINDORF RICHARD E
IPC: C11D3/33
Filed: 1991-04-25
Granted: 2007-01-09
Abstract: A solid, cast, highly chelated, alkaline detergent composition which includes (i) a potassium salt of an aminocarboxylic acid sequestrant, such as ethylene diamine tetraacetic acid (EDTA), (ii) optionally a sodium salt of the aminocarboxylic acid sequestrant, (iii) a source of alkalinity, such as sodium and/or potassium hydroxide, and (iv) a solidifying agent. The composition contains at least one of the sodium salt of the aminocarboxylic acid sequestrant and/or the sodium form of the alkaline source.
Patent CA-2100539-C (CA)
Title: Function distribution in a packet switched network
Inventor: DERBY JEFFREY HASKELL
IPC: H04L12/56
Filed: 1993-07-14
Granted: 1999-05-25
Abstract: A packet switched communication system employing ANR and/or multicast tree routing is improved by using a Copy ID field in the network header of the packet.   The Copy ID field defines a control function and allows packet processing to be distributed among the several processors of each node. The selection of the processor (or processors) to receive the packet may be accomplished by making use of the routing field of the network header to qualify the control function specified in the Copy ID field.   The control message is processed as  defined  for  the  control  function  by  the processor receiving the packet.   In multicast tree routing the  control  function  is  performed  at  all  nodes  in  the multicast tree.   In ANR  routing,  a prefacing  "selective copy" bit is included in each label in the routing field of the  network  header;  each  node  employed  in  the  packet transmission path uses one label.  The selective copy bit in each label triggers or not (according to its setting) the copy function in that node.  The network control function specified in the Copy ID field may be performed in a given node when the copy function is triggered for that node.
Patent CA-2101850-C (CA)
Title: Method for fixing a winding to an electronic circuit
Inventor: GUSTAFSON AKE
IPC: H01F41/076
Filed: 1992-02-20
Granted: 1999-06-29
Abstract: The method for fixing a winding to one or a plurality of electronic circuits allows to suppress an important fabrication step of the prior art method, namely positioning and gluing or fixing accurately the winding or the core to be wound on the electronic circuit or circuits. By an appropriate arrangement of the electronic circuit or circuits (20) and the core (23), independently from each other, on a holding tool according to the invention, a semi-product (2) is obtained, also according to the invention, which is comprised of said circuit or circuits and said winding, the mechanical connection between the two being provided only by copper wires which at the same time provide for the electrical connection between the two elements. The finished component according to the invention is obtained by arranging said semi-product on a support providing for the permanent mechanical connection between the two elements.
Patent CA-2105393-C (CA)
Inventor: BRAISH TAMIM F
IPC: C07C211/38
Filed: 1992-02-07
Granted: 1996-01-02
Abstract: A novel process for converting trans-isomeric N-methyl-4-(3,4-dichlorophenyl)-1,2,3,4-tetrahydro-1-naphthaleneamine to cis-isomeric N-methyl-4-(3,4-dichlorophenyl)-1,2,3,4-tetrahydro-1-naphthaleneamine is disclosed. The process involves contact-ing trans-isomeric N-methyl-4-(3,4-dichlorophenyl)-1,2,3,4-tetrahydro-1-naphthaleneamine, or a mixture of same with up to about an equal part by weight of the corresponding cis-isomer, with a basic equilibration agent like potassium  tert.-butoxide in a reaction-inert polar organic solvent to ultimately afford a cis/trans-mixture wherein the amount of cis-amine present in said mix-ture achieves a constant value of about 2:1 on a weight-by-weight basis. The aforesaid resultant mixture is useful as an intermedi-ate product that ultimately leads to pure cis-(1S)(4S)-N-methyl-4-(3,4-dichlorophenyl)-1,2,3,4-tetrahydro-1-naphthaleneamine (sertraline), which is a known antidepressant agent.
Patent CA-2105699-C (CA)
Inventor: DE GROOTE JAN LIEVEN BERT
IPC: H04L25/30
Filed: 1993-09-08
Granted: 2001-07-31
Abstract: The transmission system is for transmitting signals in burst mode. Transmitters in substations of the system transmit signals in bursts and, in dedicated timeslots, to a main station. The latter station converts the received signals to digital signals by means of a processing circuitry included in its receiver. This processing circuitry performs the steps of an iterative process and, in each step, derives from a received signal Iin a threshold value related to a characteristic of the signal. The power of the transmitted signals is controlled by a circuit that compares the peak power values of a maintenance signal coupled back via a backfacet diode D with reference values REF1 and REF2 and controls a laser circuit L based on the result of the comparison stored in a memory MEM2.
Patent CA-2107372-C (CA)
Inventor: SCHOEN JERRY W
IPC: C21D8/12
Filed: 1993-09-30
Granted: 1999-01-12
Abstract: The present invention produces a regular grain oriented electrical steel using a single cold reduction step having excellent and highly uniform magnetic quality. The method includes the steps of providing an electrical steel band having Mn of 0.024% or less in excess of that needed to combine with S and/or Se. The band is provided with an anneal at a temperature of from 900-1125°C (1650-2050°F) for a time up to 10 minutes and slowly cooled to 480-650°C (900-1200°F) followed by rapid cooling to a temperature below 100°C (212°F). The annealed band must have a critical amount of austenite, .gamma.1150°C, of 7% or more. The annealed band is cold reduced in a single stage to the desired final thickness. The strip is decarburized and provided with an annealing separator coating on one or more surfaces of the strip. Before or during the final high temperature anneal a total S level at least 15 mg per square meter is provided. The strip is final annealed at a temperature of 1100°C or higher to effect secondary grain growth. The finished regular grain oriented electrical steel hasfar superior and more uniform magnetic quality than available from previous single stage processes and which magnetic quality is comparable to regular grain oriented electrical steels made using processes requiring two stages of cold reduction separated by an annealing step.
Patent CA-2110250-C (CA)
Inventor: HILL ROGER
IPC: C23C14/46
Filed: 1993-11-29
Granted: 2004-08-24
Abstract: An apparatus and method for depositing different materials on a substrate 9 comprising means, 5,6,7 for moving the substrate 9 between regions, means 3,4 for depositing different materials on the substrate 9 in the respective regions, means 12 for introducing a reactive substance into each region so as to expose the material as it is deposited in that region, to the reactive substance; and means 13, 14, 15 for controlling the degree of such exposure in one region relative to the other to obtain desired stoichiometry in the deposited material (Figure 1).
Patent CA-2111791-C (CA)
Title: Electrolytic process for dissolving platinum, platinum metal impurities and/or platinum metal alloys
Inventor: HERRMANN SIGRID
IPC: C25B1/00
Filed: 1993-12-17
Granted: 2003-11-04
Abstract: The present invention concerns an electrolytical process for dissolving platinum, plahinuan metal impurities andlor platinum metal alloys, in particular with contents of Rh, Pd, Tr, Au and AG, in aqueous hydsoehloric acid. The process according to the invention is characterized in that the dissolution process takes place in an electrolysis cell subdivided by a ration exchanger membrane, if suitable in the presence of platinum metal salts or platinum metal acids, at temperatures between 50 and 110°C, under potentiostatic or voltage-controlled conditions in the range of 2.5 v to 8 v and under a current density, of 0.3 to 7.0 A/dm2. In contrast to the known processes, the process according to the invention operates with minimal requirements in terms of safety technology and apparatus and causes minimal stress to the environment.
Patent CA-2115950-C (CA)
Title: Highly transparent tough polymer blends
Inventor: COLELLA MICHAEL
IPC: C08L51/04
Filed: 1994-02-18
Granted: 2004-04-06
Abstract: There is a demand for very clear tough polymers or polymer blends, particularly in the packaging industry. Crystal polystyrene is clear but lac ks toughness. HIPS is tough but lacks the required clarity. Blends of styrene- ester polymers with a very small amount of HIPS do provide a very clear toug h polymer alloy.