baber/WOPTO huggingface dataset:
Patent CA-2018384-A1 (CA)
Title: Method of recycling organic liquids and a method of manufacturing articles by electrophoretic deposition
Inventor: HEAVENS STEPHEN
IPC: C25D13/02
Filed: 1990-06-06
Abstract: ABSTRACT           Organic  carrier  liquids  used  in  electrophoretic deposition have to be recycled for economic and environmental reasons.   This  specification disclosed recycling using the separate steps of de-ionising and drying the carrier liquid to provide fresh carrier liquid.
Patent CA-2018766-A1 (CA)
Title: Method of producing a planar optical coupler
Inventor: COUTANDIN JOCHEN
IPC: B23K26/402
Filed: 1990-06-12
Abstract: Abstract Method of producing a planar optical coupler Channels in which polymeric optical waveguides can be laid can be milled in surfaces of plastic sheets by means of an excimer laser. The free space between the optical waveguides is filled up with a transparent casting resin.            The channels produced by means of the laser are dis-tinguished by high dimensional accuracy and low surface roughness.
Patent CA-2020151-A1 (CA)
Title: Catalytic conversion of methane
Inventor: GREEN MALCOLM L H
IPC: C01B3/40
Filed: 1990-06-29
Abstract: A method for selectively oxygenating methane to carbon monoxide and hydrogen by bringing the reactant gas mixture at a temperature of at least 600°C into contact with a sole catalyst which is either;         a) a catalyst of the formula MxM'yOz where: M is at least one element selected from Mg, B, Al, Ln, Ga, Si, Ti, Zr and Hf, Ln is at least one member of lanthanum and the lanthanide series of elements, M' is a d-block transition metal, and each of the ratios x/z and y/z and (x+y)/z is independently from 0.1 to 8; or b) an oxide of a d-block transition metal; or c) a d-block transition metal on a refractory support; or d) a catalyst formed by heating a) or b) under the conditions of the reaction or under non-oxidizing conditions.
Patent CA-2023456-A1 (CA)
Title: Eccentric face seal with asymmetric closing force
Inventor: METCALFE RAYMOND
IPC: F16J15/34
Filed: 1990-08-16
Abstract: An eccentric face seal for rotary machines in which the closing force of the seal faces towards one another is asymmetric. The asymmetric closing force is utilized to produce corresponding variations in the face seal gap which tends to produce fluid flow across the seal face in a direction opposite to the leakage produced by the pressure difference, and thereby eliminate or reduce leakage. Closing forces can be applied by at least a pair of springs providing different compressive forces or by hydraulic actuator means in which the total combined forces can readily be made to vary with fluid operating pressure. In one embodiment the hydraulic actuator means are provided by asymmetric pressure responsive areas of the rotor or stator.
Patent CA-2025415-A1 (CA)
Title: Temperature compensated voltage regulator and reference circuit
Inventor: TSE LAWRENCE T
IPC: G05F1/56
Filed: 1990-09-14
Abstract: ABSTRACT OF THE DISCLOSURE           The temperature compensated reference circuit has a first common emitter BJT whose base is connected to a first JFET current source and through a JFET resistor to a voltage output.         The JFET resistor is biased in the linear region and the JFET current source is biased in the saturation region in an operating condition.  The voltage across the JFET resistor is selected to be approximately equal to the pinch-off voltage of the JFET current source.  The temperature co-efficient of the first BJT and JFET resistor will cancel one another to produce a generally temperature  invariant voltage  at the output.   The voltage regulator incorporates the reference circuit and has a second BJT current source driving the reference circuit.  A feedback system includes a second JFET current source between the collector of the first BJT and the connection between the voltage output and the collector of the second BJT.  The second JFET current source drives the base of a common emitter third BJT.  The collector of the third BJT is connected through a resistor to the base of the second BJT.  The feedback system regulates the amount of current necessary to drive the reference circuit and the load.
Patent CA-2026364-A1 (CA)
Title: Desulfurization of solid carbonaceous fuels by coagglomeration with sulfur sorbents
Inventor: EGIEBOR NOSA O
IPC: C10L9/10
Filed: 1990-09-27
Abstract: DESULFURIZATION OF SOLID CARBONACEOUS FUELS             BY COAGGLOMERATION WITH SULFUR SORBENTS     Abstract of the Disclosure A solid carbonaceous fuel having reduced sulfur dioxide emission upon combustion is provided.   The  fuel comprises  a coagglomerate formed of petroleum coke, or coal, a silica-enhanced sulfur sorbent and a bitumen binder.
Patent CA-2026477-A1 (CA)
Title: Power supply testing system for non-utility power generators
Inventor: KONDOH TOYOSHI
IPC: G01R31/34
Filed: 1990-09-28
Abstract: A power supply testing system for a non-utility power generator, etc. comprises: a plurality of tank units to be powered, which are provided depending upon the number of phases of a multi-phase AC power source used with the non-utility power generator and each of which includes a tank to be powered, having a resistive liquid filled therein, a depending main electrode located within said tank and adapted to receive a power from the non-utility power generator and a movable insulator interposed between said main electrode and said tank for regulating the amount of a current passed from said main electrode to said tank; an additional tank unit provided for spare purposes; a common unit located in communication within said plurality of tank units, in which said resistive liquids are collected from within said plurality of tank units; a main supply pipe located above said plurality of tank units to supply said resistive liquids thereto and a plurality of inlet pipes branching off from said main supply pipe into said plurality of tank units; and a flow rate regulator valve attached to each of said inlet branches for regulating the flow rate of said resistive liquid supplied to each tank unit.
Patent CA-2030044-A1 (CA)
Title: Quick-clamping device
Inventor: LANDTWING PETER
IPC: B27C1/02
Filed: 1990-11-15
Abstract: A quick-clamping device is described, operated by centrifugal force, for clamping a disposable, reversible blade to the cutter head or the cutter shaft of a planing machine.     According to the invention, the quick-clamping device is characterized by a centrifugal clamping wedge having a cross-sectional configuration similar to an inverted T-shape. For clamping a disposable, reversible blade, the centrifugal clamping wedge is disposed in a groove, having substantially the same configuration, of rotatable tool base body, and is supported in resilient manner against the groove bottom.
Patent CA-2030784-A1 (CA)
Inventor: DOLBY RAY M
IPC: H03G9/00
Filed: 1990-04-03
Abstract: Three related embodiments of audio signal dynamic range circuits for consumer and semi-professional audio signal compressors, expanders, and compressor/expander noise reduction systems incorporate certain basic features of professional Spectral Recording (SR) while adapting SR for use with consumer recording media (particularly audio cassette tape) and reducing the cost and complexity of the SR circuitry. In addition, the three embodiments, and particularly the preferred embodiment, provide substantial compatibility with the existing B-type and C-type consumer and semi-professional noise reduction systems. Subjective performance substantially equivalent to 16-bit PCM audio systems is achieved with analog audio cassette tape media. In all three embodiments there are two cascaded stages: (1) a high-level stage a high-frequency fixed-band/sliding band action-substitution sub-stage (324A) and a low-frequency fixed-band sub-stage (328A) and (2) a low-level stage having only a high-frequency fixed-band/sliding band action-substitution sub-stage (326A). The dynamic action regions of the high-frequency action-substitution sub-stages are staggered. Each of the high-frequency sub-stages provides up to 12 dB of dynamic action (together providing up to 24 dB of dynamic action) and operates in a frequency band defined by a single-pole filter having a high-pass shelving response with a corner frequency of 400 Hz. The low-frequency sub-stage provides up to 10 dB of dynamic action and operates in a frequency band defined buy a single-pole filter having a low-pass shelving response with a corner frequency of 200 Hz. The single-pole filter characterisctics provide a broad and smooth overlap of the high-frequency and low-frequency characteristics. Particular forms of spectral skewing and antisaturation enhance the performance of the circuits with consumer recording media.
Patent CA-2031912-A1 (CA)
Inventor: PFOST R FRED
IPC: G01N35/00
Filed: 1990-12-10
Abstract: ABSTRACT          A heated cover for a receptacle containing a vaporizable substance.  The cover is heated to a temperature above the temperature of the substance so as to prevent condensation of vapor evaporated from the substance.  A device for placing and removing the cover with respect to the receptacle is designed in connection with  a temperature-controlled heating/cooling plate which controls the temperature of the contents of the receptacle.
Patent CA-2037374-A1 (CA)
Title: Non-pneumatic tire wheel
Inventor: HO FANGHUAI H
IPC: B60C7/14
Filed: 1991-02-28
Abstract: ABSTRACT OF THE DISCLOSURE       A non-pneumatic tire wheel having an annular hub with a carcass connected thereto, which carcass has C-shaped sidewalls with a plurality of circumferentially spaced slots that extend into the crown of the carcass. The crown of the tire wheel receives a tread ring to enhance rolling.  The hub receives a circumferentially extending shock absorbing element that is curvilinear in cross section with slots extending radially from the hub.            Pappln2.j
Patent CA-2038847-A1 (CA)
Title: Pitcher with spout
Inventor: MACHADO LEONEL E
IPC: B67B7/86
Filed: 1991-03-22
Abstract: File No. 5408-001 ABSTRACT OF THE DISCLOSURE           A pitcher for use in dispensing liquid from a flexible-walled,  liquid containing pouch is disclosed.          The pitcher includes a container adapted for receiving a pouch,  and  a  cover  adapted  for  engagement  with  the container.  A cylindrical sleeve is mounted on the cover in conjunction with a spout having a piercing point for piercing the wall of the pouch and a hollow cylindrical portion having an access port in a wall thereof  for communication with a pouring portion of the spout.  It is also possible to provide a wall piercing point on the sleeve, rather than the spout.  The sleeve receives the cylindrical  portion of  the  spout  and  is  adapted  for forming a seal with a puncture hole in the wall of a pouch formed by the piercing point of the spout.  The spout is slideably moveable relative to the sleeve and is capable of movement between a sealing configuration, in which the sleeve covers the access port, and a pouring configuration in which the access port is exposed.  A pusher member is mounted on the cover for pushing downwardly on the wall of the pouch at a location spaced from the sleeve and spout to push the wall adjacent the sleeve and spout up and into engagement with the piercing point as the cover is pushed downwardly  on  the  container  and  thus  to  facilitate piercing of the pouch by the piercing point,  and to provide an air pocket in the pouch into which the spout and sleeve may pass.
Patent CA-2039880-A1 (CA)
Title: Somatostatin analogues
Inventor: SCHALLY ANDREW V
IPC: A61P35/00
Filed: 1991-04-05
Abstract: 900312 RV6                                       SHAL3.0-007 ABSTRACT OF THE DISCLOSURE There are disclosed two, cytotoxic, structurally closely related groups of compounds, namely compounds of the formula:         wherein R1 is L or D-Phe, D-Trp, L or D-Mel, R3 is Mel, Tyr or Phe, R6 is Thr or Val, R8 is Thr, Trp or Mel, Q is selected from the group consisting of hydrogen, L and D-Mel, Mel-Mel dipeptide, cyclopropanealkanoyl, aziridine-2-carbonyl, methotrexoyl, 1,4-naphthoquinone-5-oxycarbonylethyl, epoxyalkyl and the n-carbonyl-alkylamino derivatives thereof; and the n-carbonyl-alkanoyl derivatives of 2-hydroxymethyl-anthraquinone, doxorubicin, esperamycin, and mitomycin C; wherein the n-carbonyl-alkylamino group has the formula -CO-(CH2)n-NH- where n is 2-6, and then-carbonyl-alkanoyl group has the formula -CO-(CH2)n-CO- where n is 2-6, and compounds of formula   wherein R1 is L or D-Phe, L or D-Trp, R3 is Phe or Tyr, R5 is Val or Thr, R8 is Thr or Trp, A is a diaminoacyl residue having the formula -HNCH2-(CH2)m-CH(NH)-(CH2)n-CO- where m is 0 or 1 and n is 0 or 1, Q1 is a cytotoxic moiety having the formula Q2 or (B)2Q3 or (Q4)2 wherein Q2 is Pt(Y)2, where Y is an anion of pharmaceuticaliy acceptable acid, Q3 is a non-platinum-group metal, selected from the group consisting of titanium, vanadium, iron, copper, cobalt, gold, nickel, cadmium and zinc, Q4 is selected from the group consisting of L or D-Mel, Mel-Mel dipeptide, cyclopropanealkanoyl, aziridine-2-carbonyl, epoxyalkyl, 1,4-naphthoquinone-5-oxycarbonylethyl or the .OMEGA.-carbonyl-alkylamino derivatives thereof; the .OMEGA.-carbonyl-alkanoyl derivatives of 2-hydroxymethyl-anthraquinone, doxorubicin, esperamycin and mitomycin C, wherein the .OMEGA.-carbonyl-alkylamino group has the formula -CO-(CH2)n-NH- where n is 2-6 and the .OMEGA.-carbonyl-alkanoyl group has the formula -CO-(CH2)n-CO- where n is 2-6, B is a substituted aralkylidene or heteroaralkylidene selected from the group consisting of halo and nitrophenyl lower-alkylidenes; lower alkyl hydroxymethyl or phosphoxymethyl pyridyl lower alkylidenes, wherein lower alk-means 1-6 carbon atoms and the salts thereof with pharmaceutically acceptable acids and bases.
Patent CA-2041539-A1 (CA)
Title: Periodontal barrier and method for aiding periodontal tissue regeneration
Inventor: JERNBERG GARY R
IPC: A61C8/00
Filed: 1991-04-30
Abstract: A periodontal barrier and method incorporating chemotherapeutic agents is disclosed for aiding and guiding periodontal tissue regeneration.
Patent CA-2041762-A1 (CA)
Title: Derivatives of 3'-and 3"-0-desmethyl avermectin compounds
Inventor: LINN BRUCE O
IPC: A61P33/00
Filed: 1991-05-03
Abstract: TITLE OF THE INVENTION          DERIVATIVES OF 3'- AND 3"-O-DESMETHYL AVERMECTIN          COMPOUNDS     ABSTRACT OF THE DISCLOSURE         There are disclosed derivatives of avermectin compounds wherein one or both of the 13-oleandrose saccharide groups lack the methyl group of the 3'- or 3"-methoxy.  Such compounds are potent anthelmintic and antiparasitic agents.
Patent CA-2043244-A1 (CA)
Inventor: ZLOBIN MIKHAIL N
IPC: B01D21/02
Filed: 1991-05-24
Abstract: An   apparatus    for   clarification   of industrial  sewage  comprises  a vertical  cylindrical chamber for circulation of industrial sewage with a conical bottom secured to which are a branch pipe for feeding   the   polluted   industrial   sewage   with flocculants,  and a branch pipe for discharging the slurry.   Secured outside of the cylindrical chamber at its upper edge is a circular trough for draining the  purified  sewage  while  inside  the  chamber  are arranged partitions for settling of solid particles and at least one separating partition in the form of a  body  of  revolution with  holes  for  distributing polluted sewage over the volume of the chamber, said partition being installed axially in the central part of the chamber with its upper edge arranged level with the upper edge of the chamber.   Installed above the  separating partition  is  a  pressuretight bell-shaped housing communicating with an air rarefaction means.
Patent CA-2047674-A1 (CA)
Title: Methode de formage d'articles de polymere oriente bi-axialement et appareil connexe
Inventor: FORTIN JOHN K
IPC: B29C49/08
Filed: 1990-03-06
Abstract: Procédés et appareils de façonnage d'articles en matières thermoplastiques à orientation biaxiale, ayant des surfaces plates ou des contours nettement définis ainsi que ces articles. Ces procédés et appareils permettent de produire des articles de dimensions exactes, ayant des surfaces plates ou des contours nettement définis, par thermorétrécissement d'intermédiaires (50) à orientation biaxiale sur des moules mâles (82, 102).
Patent CA-2049476-A1 (CA)
Inventor: OSAKI YOSHIRO
IPC: H04Q11/04
Filed: 1991-08-19
Abstract: An exchange system which comprises a plurality of line setting processors and a line-setting-signal path management processor for connecting the line setting signal paths of lines to the plurality of line setting processors.  Each of the line setting processors judges whether or not the associated line is activated and when determining that the line is activated, informs the line-setting-signal path management processor of the fact.          The line-setting-signal path management processor determines, on the basis of the loads of the line setting processors, suitable one of the line setting processors to be connected to the line setting signal  paths of the activated line, and connects the suitable line setting processor to the line setting signal paths.  Communication of necessary data is carried out between the line-setting-signal path management processor and the plurality of line setting processors so that even when a new line setting processor is added in the system, a maintenance operator can avoid complicated load estimation.
Patent CA-2049912-A1 (CA)
Title: Adhesive composition
Inventor: SCHMUCKER ARDEN E
IPC: C08G18/10
Filed: 1991-08-26
Abstract: A polyurethane adhesive formed from (I) an NCO terminated prepolymer with excess of NCO and talc, and (II) a polyol, a urethane catalyst, talc and a minor amount of certain aryl or aromatic polyamines exhibits good sag and thixotropic properties and, also, exhibits good lap shear strength when cured between treatment-free substrates.
Patent CA-2050404-A1 (CA)
Title: Lightweight building board
Inventor: DOTZAUER BERNHARD
IPC: C08J5/04
Filed: 1991-08-30
Abstract: O.Z. 0050/41888 Abstract of the Disclosure: Lightweight building board based on mineral  fibers A and thermoplastic  binders contains, based on A, from 1 to 25% by weight of a copolymer B having a glass transition temperature of from 70 to 105°C, composed essentially of from 50 to 98% by weight of methyl methacrylate I, from 2 to 50% by weight of one or more acrylic esters II of Cl-C8-alkanols, and from 0 to 2.5% by weight of one or more crosslinking monomers III as binder, from 0 to 150% by weight of filler C, and, based on B, from 0.2 to 15% by weight of one or more amines F of the formula   where R is C8 C18 alkyl or C8-C18-alkenyl, U and V are each C2-18-alkylene, X and Y are each hydrogen, C1-C18-alkyl or C2-C18-alkenyl, and n and m are each an integer from 0 to 10, or an acid addition salt thereof.
Patent CA-2051933-A1 (CA)
Title: Postage meter
Inventor: MCCHESNEY HUGH
IPC: G07B17/00
Filed: 1991-09-20
Abstract: ABSTRACT                         A POSTAGE METER   A postage meter has a print drum assembly which includes a print drum and a drum shaft. The drum includes selectively settable value printing elements. The drum shaft has, located in one or more grooves therein, a plurality of linearly movable racks. These racks are connected to the value printing elements in such a manner that linear movement of one rack alters the position of a corresponding value printing element. The meter also has a plurality of gears, called cross-over gears, arranged to drive corresponding racks. The cross-over gears driving the racks in the or each groove are arranged side-by-side and are independently driven by respective drive components arranged for rotation about a rotation axis common to the cross-over gears and the drive components.
Patent CA-2054015-A1 (CA)
Title: Molding method of air bag cover
Inventor: ZUSHI TAKAYASU
IPC: B29C45/44
Filed: 1991-10-23
Abstract: ABSTRACT OF THE DISCLOSURE       A molding method is used to produce a module cover for an air bag device which has undercut portions in mounting edge portions thereof.  A lower mold disposed inside the module cover to be produced is of the split type so that it is composed of a central mold disposed at the center and a plurality of lateral molds for molding of the undercut portions.  The mating face of the central mold with each lateral mold is oblique so that its bottom is closer to the edge of the module cover than its top.          Thus, the module cover produced can be detached from the lower mold by moving the lateral molds mutually inward.
Patent CA-2057128-A1 (CA)
Title: Antitheft Device
Inventor: HARA IWAO
IPC: G08B13/24
Filed: 1991-12-05
Abstract: An antitheft device of the type having a body unit to be attached to an article displayed in a shop for protecting the article against shoplifting.  The device includes a transmitter for radiating an AC signal to a particular area, and the body unit which is adapted to receive a signal from the transmitter.  The body unit comprises an alarm generator, and a receiving circuit operative to actuate the alarm generator in response to the signal from the transmitter.  The transmitter radiates a feeble electromagnetic wave of less than 30 kHz corresponding to the sound range.  The fact that the frequency of output from the transmitter is of a low frequency level corresponding to the sound range provides a greater allowance in the receiver for fluctuations in the frequency of signals received and thus good operation stability of the receiver.  False alarming due to extraneous radiation is very unlikely to occur, and other components are free from the possibility of malfunctioning.  In addition, the invention provides for compacturization of the receiver-side component or body unit.
Patent CA-2057630-A1 (CA)
Inventor: MATZ DAVID O
IPC: G01M1/04
Filed: 1991-12-05
Abstract: An adapter for allowing tires with demountable rims to be checked for  balance  on  computerized  dynamic  test  equipment comprises an annular plate having a central opening adapted to fit onto the cone of a dynamic balancer, the plate incorporating a cam actuated self-centering mechanism and clamping lugs for securing the plate following the centering operation to the front edge surface of the demountable rim.   Use of the present invention avoids the significant loss of time in attempting to center prior art adapters with respect to such demountable tire rims.
Patent CA-2057748-A1 (CA)
Inventor: DEC ADRZEJ
IPC: F16H7/12
Filed: 1991-12-16
Abstract: A tensioner with a pulley rotatably mounted to a pivot arm that is biased with a compression spring.  The pulley is generally tube-pan shaped and defines an annular space where the compression spring is located.  A belt drive system of the automotive camshaft type that includes the tensioner for maintaining operative belt tension.
Patent CA-2058826-A1 (CA)
Title: Retainer for piston head subassembly and method of retaining piston head subassembly
Inventor: SCHULTZ RICHARD A
IPC: F04B39/00
Filed: 1992-01-06
Abstract: ABSTRACT    The present invention is a retainer for a piston and valve subassembly of a scotch yoke compressor and a method of assembling it.  The subassembly is comprised of a piston head, a suction valve, a spacer, a stop washer, and a rod held together by a retainer.  The suction valve is assembled on the rod, then the rod is inserted into the piston head.  Next the retainer is installed on an end of the rod for frictionally engaging the piston and rod, thus axially securing the suction valve and the rest of the piston head subassembly during assembly to the yoke.