baber/WOPTO huggingface dataset:
Patent CA-2052976-C (CA)
Title: Machine for picking up tie plates
Inventor: THEURER JOSEF
IPC: E01B29/32
Filed: 1991-10-08
Granted: 2001-01-02
Abstract: A machine for picking up and storing tie plates of a railroad track comprises the combination of a machine frame, two vertically adjustable tie plate pick-up devices transversely spaced from each other on the machine frame, the tie plate pick-up devices being vertically adjustable between a lower pick-up position wherein their transverse spacing corresponds to the track gage and an upper tie plate depositing position, a storage device arranged on the machine frame for receiving the tie plates from the pick-up devices in their upper tie plate depositing position, a transversely displaceable device mounted on the machine frame for transversely displacing a track tie within a range of about 30 cm to about 100 cm, and a vertically adjustable rail lifting device mounted on the machine frame adjacent the track tie displacing device.
Patent CA-2057385-C (CA)
Title: Sintered composite boron carbide body and production process thereof
Inventor: NIIHARA KOICHI
IPC: C04B35/563
Filed: 1991-12-11
Granted: 1996-02-06
Abstract: A sintered composite boron carbide body with SiC and/or TiB2 having a grain size of the order of nanometers and distributed among B4C crystal grains and/or within the B4C crystal grains is produced by hot-pressing a powder mix, which is composed of 44 -99.5 vol.% B4C, 0.5 - 60 vol.% SiC and/or 0.5 - 60 vol.%  TiC, at 1,800 - 2,300 °C for 5 - 600 minutes.
Patent CA-2067961-C (CA)
Title: Drinking cup
Inventor: KIMPSON REBECCA J
IPC: A47G23/16
Filed: 1992-05-04
Granted: 1998-06-23
Abstract: A method and device are disclosed for monitoring the quantity of liquid drank during a selected time period. The device comprises a drinking glass 10 bearing a cursor 16 and a ring 18 rotatably mounted to the glass and having a scale imprinted thereon.  The ring is rotated about on the glass so that the cursor points to the number of discrete quantities of liquid drank, or yet to be drank, from the glass during the selected time period.
Patent CA-2070484-C (CA)
Title: Method of regenerating aluminum surface cleaning agent
Inventor: MEGURO SHIGEYUKI
IPC: C23G1/36
Filed: 1992-06-04
Granted: 1997-01-28
Abstract: A cleaning agent is used to wash surfaces of aluminum products in a cleaning bath.  The cleaning agent is a water-soluble acid containing ferric ions. During the cleaning process, the ferric ions are reduced to ferrous ions. The used cleaning agent is sent to an electrolytic tank so that the ferrous ions are subject to the electrolytic oxidation to be con-verted into ferric ions. The regenerated cleaning agent is returned to the cleaning bath.
Patent CA-2073277-C (CA)
Title: Operation indicative background noise in a digital receiver
Inventor: LEOPOLD RAYMOND JOSEPH
IPC: H04B1/10
Filed: 1992-07-07
Granted: 2003-09-16
Abstract: Providing a background noise generator in a digital receiver to produce a small, controlled amount of background noise in the audible output of the receiver to provide an indication to the operator of the continued operation of the receiver. A small amount of noise is generated, either separately or in the RF portion of the receiver, and introduced into the receiver, either in the audio portion or the digital portion, as background noise to provide the ambience of a standard receiver.
Patent CA-2078271-C (CA)
Title: Surge arrester assembly
Inventor: LUNDQUIST JAN
IPC: H01T4/14
Filed: 1992-09-15
Granted: 1999-07-06
Abstract: The invention relates to a surge arrester assembly with a plurality of parallel-connected arrester units (1) with polymer casing mounted in a rack. The lower and upper parts of the rack consist of bars (4a, 4b) of, for example, aluminium, which are included in the electric circuit. The bars are retained by, for example, support insulators (6) of porcelain or polymer material. The mechanical retention of the stacks of ZnO blocks of the arrester units (1) and the necessary contact pressure between the blocks are ensured by the rack structure. The electrical connections (23, 24) to the rack are arranged in such a way that, if a fault causing a short circuit in one of the block stacks occurs, the arc produced is blown by the current forces along the bars to the opposite end, where arcing horns (38) of a current-resistant material, for example steel, are arranged and where the arc may burn in a controlled manner without involving a risk to the environment.
Patent CA-2089077-C (CA)
Title: System for simultaneously degassing and pumping a liquid
Inventor: ELONEN JORMA
IPC: F04D7/02
Filed: 1991-08-13
Granted: 1995-06-06
Abstract: A system for simultaneously degassing and pumping a liquid from a source includes in combination a gaseous liquid source (2) having a feed inlet (3) for the liquid so as to form a liquid surface at a first level; a degassing pump (5) for silmultaneous-ly degassing and pumping the liquid, the degassing pump (5) includes a housing with a liquid inlet, and an outlet (6) for a substantially gas-free flow and a gas discharge opening (7), a suction conduit (4) having a first end connected to the pump inlet (9) and a second outlet immersed in the liquid below the liquid surface. Pref-erably, the suction conduit (4) is im-mersed in the liquid flow below the li-quid surface and below the feed inlet (3).
Patent CA-2097571-C (CA)
Title: Conveyor system
Inventor: LEHTONEN HARRI
IPC: B65G47/52
Filed: 1993-06-02
Granted: 2004-02-17
Abstract: The invention relates to a conveyor system, which has several conveyors (3/4) joined to together into a chain. There is an articulation (9) at the joining point of the conveyors, which allows the conveyors to turn relative to each other. The chain may be formed and disassembled rapidly. The system is applicable to be used e.g. at mines.
Patent CA-2103480-C (CA)
Title: A process for the production of pure nickel hydroxide and its use
Inventor: KRYNITZ ULRICH
IPC: C25B1/00
Filed: 1993-11-19
Granted: 2003-09-23
Abstract: The invention relates to a process for the production of pure nickel hydroxide by anodic oxidation of metallic nickel in aqueous electrolyte solution in the presence of sulfate ions and removal of the nickel hydroxide formed and to the use of the nickel hydroxide thus produced.
Patent CA-2107314-C (CA)
Title: Computer system
Inventor: TAKAHASHI KATSUNORI
IPC: H04N7/04
Filed: 1993-09-29
Granted: 2001-04-17
Abstract: A game computer system for processing sound data and image data in synchronization with each other is disclosed.      An adaptive difference pulse code modulator (ADPCM) is used to produce high quality sound in synchronization with a horizontal synchronization signal, which is also used for controlling the display cycle of image data, for eliminating time gaps between the displayed image and transmitted sound. The game computer system quickly recovers from interruptions during sound reproduction, and resumes from the point of interruption through the use of pre-calculated, or virtual, sound data to maintain continuous transmission of sound. Because the sampling frequency can be decreased from the optimum frequency as required, the computer system performs linear interpolation upon the sound data to ensure high quality sound reproduction at the lower sampling frequencies. By performing a rounding function upon the data, the ADPCM decoder accurately reproduces sound data resulting in high quality sound reproduction at all times.
Patent CA-2108595-C (CA)
Inventor: PELLEGRINI ALFRED JR
IPC: A63C17/14
Filed: 1993-10-18
Granted: 1995-11-28
Abstract: A  braking  device,  particularly  usable  for   skates including  a  shoe composed of a quarter  articulated  to  a shell in turn associated with a supporting frame for one  or more  wheels.  The device comprises at  least  one  rod-like element  which is rotatably associated with the quarter  and is slidingly associated with a guide formed on a wing  which is  associated  with  the frame.  The  rod-like  element  is kinematically connected to a braking element articulated  to the  frame. When the quarter is rotated backwards, the  rod-like element causes the braking element to rotate so that it interacts with the ground.
Patent CA-2110805-C (CA)
Inventor: NELSON LEONARD E
IPC: B24D3/28
Filed: 1992-08-06
Granted: 1995-09-26
Abstract: Previously known bonded abrasive compositions based on polyurethane binders, while effective for many abrasive uses, may tend to smear onto the workpiece. Bonded abrasive compositions of the present invention, and articles incorporating same, comprise abrasive particles dispersed throughout and adhered within an elastomeric polyurea matrix. The polyurea matrix is formed from the polymerization reaction product of a polyfunctional amine and an isocyanate. The compositions of the inven-tion exhibit excellent smear- and wear-resistance, and may be attached to a variety of backings. One preferred backing is integral-ly molded to the bonded abrasive composition.
Patent CA-2111650-C (CA)
Title: Method of producing calcium salts from biomass
Inventor: OEHR KLAUS HEINRICH
IPC: C07C51/41
Filed: 1993-12-16
Granted: 1997-04-15
Abstract: Calcium salts, such as calcium acetate, calcium formate or calcium propionate, are obtained from aqueous liquors derived from the pyrolysis of lignocellulosic biomass containing cellulose, hemicelluloses or starch.  The above biomass is subjected to rapid pyrolysis to obtain a crude product containing an aqueous phase and an organic phase.  The product obtained, preferably as the aqueous phase, is then distilled to produce a distillate containing at least one acid selected from acetic acid, formic acid and propionic acid as well as their esters and formaldehyde.  An alkaline source of calcium is added to this distillate to adjust the pH to an alkaline level sufficient to hydrolyze the esters, cause at least partial oxidation of the formaldehyde and prevent volatilization of acetate, formate or propionate ions as acetic acid, formic acid or propionic acid respectively.  This pH adjusted alkaline liquid is then subjected to a further distillation to remove water and volatile organic components and produce at least one of calcium acetate, calcium formate and calcium propionate as solid residue.
Patent CA-2120006-C (CA)
Title: Undercarriage assembly for a vehicle
Inventor: CRABB ELMER R
IPC: B62D55/08
Filed: 1993-08-23
Granted: 2004-06-29
Abstract: An undercarriage assembly (20) for a work vehicle (10) includes first and second roller frame assemblies (22, 24), one on each side of the vehicle (10), an idler wheel assembly (28, 30) connected to one end of each roller frame assembly (22,24), and a drive wheel (32,34) connected to the opposite end of each roller frame assembly (22, 24). An endless elastomeric track belt (39) encircles a respective drive wheel (32, 34), roller frame assembly (22, 24), and idler wheel assembly (28, 30) on each side of the vehicle (10). A rigid support beam (26) connects each roller frame assembly (22, 24) to the main frame (12) of the vehicle (10). Each idler wheel assembly (28, 30) includes first and second self-aligning mechanisms (72, 90) to provide that the track belt (39) runs true and straight. The roller frame assemblies (22, 24) can be spaced laterally from the vehicle (10), using various size spacers, to provide various gage settings of the endless track belt (39). During adjustment of the roller frame assemblies (22, 24), a supporting arrangement (142) supports one track roller assembly (22) by the other track roller assembly (24).
Patent CA-2123604-C (CA)
Inventor: FIELER GEORGE MICHAEL
IPC: A23L1/304
Filed: 1992-12-07
Granted: 1998-02-17
Abstract: This application relates to storage stable beverage concentrates for preparing beverages and food compositions which are nutritionally supplemented with significant levels of calcium and to a method for preparing these concentrates. The beverage concentrates have a greater than 5 fold concentration and comprise: (a) from about 0.2 % to about 1.20 %, by weight, solubilized calcium; (b) from about 0.7 % to about 8.25 %, by weight, of an acid component comprising a mixture of citric acid and malic acid wherein said mixture has a weight ratio of citric acid to malic acid of from about 5:95 to about 50:50; (c) from about 0.05 % to about 1.2 %, by weight, of an acidic anion component selected from the group consisting of chloride ion, nitrate ion, sulfate ion and mixtures thereof; (d) an effective amount of a flavor component; and (e) from about 35 % to about 80 % sugar by weight on a dry basis; (f) from about 20 % to about 65 %, by weight, water; wherein the weight ratio of said acid component to said solubilized calcium is from about 3.5 to about 6.5 and said beverage concentrate has a pH of less than or equal to about 4.5, preferably less than or equal to about 3.5. These beverage concentrates are stable at temperature of greater than 90 .degree.F (32 .degree.C) for at least about 30 days. An added benefit is their stability for at least about 120 days at temperatures of from about 70 .degree.F (21 .degree.C) to about 90 .degree.F (32 .degree.C).
Patent CA-2123610-C (CA)
Title: A dispersion-based heat sealable coating
Inventor: BOLTE GERD
IPC: C09J163/00
Filed: 1992-11-06
Granted: 2002-07-02
Abstract: Film-forming reactive systems for the surface-to-surface bonding and/or coating of substrates, more particularly for heat-sealable coatings are provided.     The system is based on an aqueous dispersion of at least two epoxy-curable resins (1) and an epoxy compound as the curing component (II). The epoxy-curable resins are a polyurethane polymer containing epoxy-reactive functional groups present as the curable resin (1a) and an aqueous dispersion of an acrylate and/or methacrylate homopolymer or copolymer containing carboxyl and/or methylol groups present as an additional curable resin (1b). Also provided is a method for the production of laminates which employs the reactive system to bond substrates.
Patent CA-2127901-C (CA)
Inventor: MOSS JAMES R
IPC: B41F7/02
Filed: 1994-07-13
Granted: 1999-10-05
Abstract: A winding assembly especially suitable for use in conjunction with a system for automated imaging of lithographic plate material, including on-press imaging systems. A feeder spool installed within a plate-support cylinder contains a rolled supply of plate material, which wraps around the cylinder and is received by an uptake spool, also located within the cylinder. The assembly is driven by the same power source used to rotate the plate-support cylinder, and maintains a strong tension along the wrapped material.
Patent CA-2131100-C (CA)
Inventor: INAM ARUN
IPC: H01L27/105
Filed: 1993-02-23
Granted: 1999-05-25
Abstract: Mémoire ferroélectrique et procédé pour sa fabrication, selon lequel une couche (56) de titanate de zirconate de plomb ferroélectrique (PZT) à forte orientation par rapport à l'axe c est déposée de manière épitaxiale à une température comprise entre 640  et 710  C sur un film cristallin (54) d'oxyde d'yttrium-barium-cuivre (YBCO) agissant à la fois comme gabarit de croissance et comme électrode inférieure. Une électrode supérieure (58) est formée sur la couche ferroélectrique pour compléter l'élément mémoire. Les deux électrodes sont de préférence composées du même conducteur de perovskite présentant la même orientation cristalline, idéalement de l'YBCO orienté par rapport à l'axe a. L'on peut faire croître la structure sur un substrat de silicium (50) avec une couche tampon intermédiaire (52) de zircone stabilisée par yttria. Le comportement ferroélectrique est optimalisé si la structure est refroidie à partir de sa température de croissance à une vitesse de 20 /m environ. L'on peut faire croître de telles couches minces de perovskite orientées par rapport à l'axe a en déposant de façon continue le même matériau de pervoskite, ou un matériau de pervoskite différent, mais en divisant le procédé de dépôt en trois étapes à des températures différentes, une première étape à une température favorisant la croissance orientée par rapport à l'axe a, une seconde étape où la température est progressivement augmentée jusqu'à une température favorisant la croissance par rapport à l'axe c, et une troisième étape à la température favorisant la croissance par rapport à l'axe c. Néanmoins, l'on obtient la croissance d'une couche orientée par rapport à l'axe a de haute qualité. La mémoire peut être renouvelée lorsqu'elle présente des signes de fatigue par application d'une impulsion d'une intensité égale à celle de l'impulsion d'écriture mais d'une durée considérablement plus courte.
Patent CA-2140387-C (CA)
Title: A needle for hands
Inventor: TAE-WOO YOO
IPC: A61H39/08
Filed: 1995-01-17
Granted: 1999-07-27
Abstract: A needle assembly for performing acupuncture treatment  includes  a  needle  holder  formed  from  a tubular member,  the  needle holder  having  a  tubular shaft portion  formed  from an  upper  portion  of  the tubular member, a pressed portion integrally formed at a lower end of the tubular shaft portion and formed from a flattened lower portion of the tubular member, and  a  needle  held  within  the  needle  holder  and projecting from a lower end of the pressed portion. Thus, by directly pricking needle points after holding the pressed portion and the shaft portion with a hand without  an  inserter,  it  is  convenient  to  apply acupuncture  and  to  control  the  pricking  depth. Furthermore,  by rotating the protruded portion  from side to side, it is easy to stimulate needle points so that the effect of the acupuncture treatment can be enhanced.
Patent CA-2142219-C (CA)
Inventor: CHO HONG-KI
IPC: D06F39/10
Filed: 1995-02-10
Granted: 2001-05-29
Abstract: The present invention relates to a fully automated washing machine adapted to be provided with a purified water generating apparatus by which washing water supplied from a water supplying source can be cleansed or purified and then supplied to a washing tub. More particularly, the invention relates to a fully automated washing machine disposed with the purified water generating apparatus arranged between a water supply pipe and an outer tub for electro-depositing alkali metal ions, heavy metal ions and iron-like ions contained in the washing water and at the same time for generating in quantity in the washing water hydraulic seal ions having interfacial tension, thereby to supply the same to the outer tub. The fully automated washing machine thus constructed according to the present invention employing the purified water generating apparatus can electro-deposit the alkali metal ions, heavy metal ions, iron-like ions and the like contained in the washing water. The purified water having increased hydraulic seal ions to promote the interfacial tension in the washing water improves the washing efficiency and the use of detergent can be reduced for prevention of environmental pollution.
Patent CA-2145252-C (CA)
Title: Filter having chemical resistance, antistatic property and water vapor resistance, and process for producing the same
Inventor: TANIGUCHI SEIHOU
IPC: C08G73/10
Filed: 1995-03-22
Granted: 2004-10-12
Abstract: A water vapor resistant filter comprising a permeable molded material, nonwoven fabric or felt comprising polyimide fiber having a repeating unit represented by formula (I) is described. The permeable molded material, nonwoven fabric or felt is covered with a condensed polycyclic polynucleus aromatic resin, a melting fluorine resin, a solvent-soluble cold setting fluorine resin or a fluorine elastomer:   (see formula I) X, R and n are defined in the specification. A water vapor resistant antistatic filter is also described, which comprises a permeable molded material, nonwoven fabric or felt comprising polyimide fiber having a repeating unit represented by the above-described formula (I). The permeable molded material, nonwoven fabric or felt is covered with an electroconductive material and a condensed polycyclic polynucleus aromatic resin, a solvent-soluble cold setting fluorine resin or a fluorine elastomer. Processes for producing these filters are also described.
Patent CA-2146399-C (CA)
Title: Bearing material of porous sic having a trimodal pore composition
Inventor: FUNDUS MICHAEL
IPC: C04B38/00
Filed: 1995-04-05
Granted: 1999-08-03
Abstract: The invention relates to bearing materials of porous SiC having a trimodal pore composition and also a process for their production.    The porous bearing material of pressureless-sintered SiC having from 3 to 10% by volume of independent closed pores having a trimodal pore composition consisting of micropores (M), fiber-shaped macropores  (F)  and spherical macropores  (S),  where the amounts in the pore system F - M - S (Figure 1) are fixed by the trapezoidal area having the corner points a = 10%M - 80%F - 10%S b = 10%M - 10%F - 80%S c = 40%M - 10%F - 50%S d = 40%M - 50%F - 10%S and the micropores have a diameter of less than or equal to 5 µm and the fiber-shaped macropores have a diameter of less than or equal to 30 µm and a length of less than or equal to 80 µm and the spherical macropores have a diameter of less than or equal to 70 µm, and have a flexural strength of at least 250 MN/M2.
Patent CA-2148389-C (CA)
Title: Printing group cylinder of a web-fed rotary printing machine
Inventor: KNAUER PETER
IPC: B41F13/28
Filed: 1995-05-02
Granted: 1998-11-03
Abstract: A printing group cylinder of a web-fed rotary printing machine is mounted by its journals on opposed side walls of the machine. A sleeve positioned on or about the cylinder may be slipped on or off of the cylinder through an opening in the side wall. During operation, the opening in the side wall is closed by placing a pair of sliding gates in their closed position. When it is desired to change the sleeve, the opening in the side wall is uncovered by displacing the sliding gates. In order to obtain good print quality, the bearing is formed of multiple interengaging rings, of which at least one is eccentrically shaped. The eccentric shape of the ring causes the axis of the printing group cylinder to move into either a print engagement or disengagement setting when the ring is slidably rotated. The eccentric ring is secured against turning when the sliding gates are opened.
Patent CA-2154264-C (CA)
Inventor: FENTON JOHN CHARLES
IPC: D06M101/16
Filed: 1994-01-19
Granted: 2004-01-06
Abstract: ghly absorbent alginate fibres are described which have use in the manufacture of dressings.\!
Patent CA-2154670-C (CA)
Inventor: BUCK ROBERT CRAIG
IPC: D06M101/00
Filed: 1994-02-01
Granted: 2007-07-31
Abstract: Polyamide fibrous substrates which resist staining by acid dyes, and processes for preparing the same which comprise applying a base-catalyzed condensation product formed by the reaction of a bis(hydroxyphenyl)sulfone with formaldehyde to give a product known as a resole. The resulting non-sulfonated, non-carboxylated resole stain-resist agents can be applied at higher pH values than prior art stain-resists which were sulfonated or carboxylated.
Patent CA-2155630-C (CA)
Title: Low temperature albumin fractionation using sodium caprylate as a partitioning agent
Inventor: TENOLD ROBERT A
IPC: C07K14/81
Filed: 1995-08-08
Granted: 2007-10-23
Abstract: Highly stable plasma-derived therapeutic albumin solutions, having a turbidity level of 5 NTU or less can be made by adding sodium caprylate to Cohn fraction II+III or IV-1 effluent at relatively low temperatures. The sodium caprylate acts as a partitioning agent to separate albumin from unwanted proteins. In preferred embodiments, the albumin source solution temperature is elevated, increased in pH and reacted for approximately six hours under conditions sufficient to disrupt the initial solution colloid, and partition albumin-containing supernatant from a colloidal disperse phase, which retains unwanted globulins and manufacturing debris.  Since it tends to be a scavenger molecule, albumin is selectively stabilized by diafiltration against a buffer containing sodium caprylate, thereby assuring a high albumin monomer content and low turbidity level. The amount of sodium caprylate required for selective stabilization is determined by the amount of available binding sites on the albumin molecule.