baber/WOPTO huggingface dataset:
Patent CA-2245016-A1 (CA)
Title: On-line rheometer device
Inventor: TJAHJADI MAHARI
IPC: B29C48/92
Filed: 1998-08-13
Abstract: A system for providing process control information, such as viscosity, concerning a polymer melt comprises a means containing a polymer melt under pressure; means for diverting a stream of the polymer melt directly from said containing means to and through an orifice of predetermined geometrical shape wherein the flow of said diverted portion to and through said orifice is unobstructed and directly dependent on the pressure of said main polymer melt wherein the cross sectional area is sized to permit the flow of said diverted melt polymer therethrough absence additional independent means acting on said diverted melt polymer for increasing flow through said orifice; temperature sensing means for measuring the temperature of the diverted melt stream and producing a resultant temperature signal; pressure sensing means for measuring the pressure of the diverted melt stream and producing a resultant pressure signal, said pressure signal being directly dependent on the pressure of polymer in said main polymer melt and the predetermined size of said orifice; means weighing at least a portion of said diverted melt stream discharged through said orifice, said weighing means including weight sensing means for measuring the weight of diverted melt stream and producing a resultant weight signal; and computer means responsive to the temperature, pressure and weight signals for determining process characteristics of the main polymer melt.
Patent CA-2253603-A1 (CA)
Title: Displacement-current sensor and method for determining three-dimensional position, orientation and mass distribution
Inventor: SMITH JOSHUA R
IPC: B60R21/015
Filed: 1997-04-25
Abstract: A quasi-electrostatic sensing system surrounds an electrically conductive mass with an electric field, the magnitude of which is sensed at one or more locations to resolve a property of interest concerning the mass.      The object intercepts a part of the electric field extending bewteen the AC-coupled "sending" electrode and the other "receiving" electrodes, the amount of the field intercepted depending on the size and orientation of the sensed mass, whether or not the mass provides a grounding path, and the geometry of the distributed electrodes. Because the response of the field to an object is a complex nonlinear function, adding electrodes can always distinguish among more cases. In other words, each electrode represents an independent weighting of the mass within the field: adding an electrode provides information regarding that mass that is not redundant to the information provided by the other electrodes. A "forward model" that relates the behavior of the system to variations in the property to be measured is established, and "inversion" of this model facilitates recovery of the property based on system behavior. The invention is amenable to a wide variety of usages including the detection of user positions and gestures as a means of conveying two- and/or three-dimensional information to, for example, computers, appliances, televisions, furniture, etc.; provision of data input or instructional commands to a device; or sensing of proximity to a reference object for security purposes, to warn of danger, or to conserve energy by witholding power until a potential user approaches the object.
Patent CA-2254272-A1 (CA)
Inventor: FRICK BEAT
IPC: H04N1/04
Filed: 1998-11-19
Abstract: The scanning device for the essentially point-form photoelectric scanning of a transparent object to be measured, especially the picture fields of a photographic film in a photograph copier, is provided with a transport arrangement for the transport of the object to be measured in a transport direction , an illuminating arrangement for exposing the object to be measured to measuring light in a line-shaped measuring line extending across the object to be measured and essentially transverse to the transport direction, a collector arrangement for collecting measuring light passed through the object to be measured in the area of the measuring line, and a photoelectric converter arrangement optically connected with the collector arrangement for the conversion of scanning light passed through the object to be measured into corresponding electrical signals. The collector arrangement includes a multiplicity of especially fiber-shaped light conductors and an optical multiplexer with multiple inputs corresponding in number to the multiplicity of the light conductors and an output whereby an output end of each of the light conductors is connected with one of the inputs of the optical multiplexer and an input end of each light conductor is positioned along the measuring line so that they receive passed through scanning light fromessentially point form regions of the object to be measured .The output of the multiplexer is preferably optically connected with the photoelectrical converterarrangement by way of a further light conductor . The photoelectric converter arrangement is a spectrometer, which produces spectral data representing portions of the measured light within a preselected number of spectral ranges. The optical multiplexer includes a rotatable optical commutator driven by a motor, which cyclically and sequentially optically connects the inputs of the multiplexer with the output of the multiplexer. The illuminating arrangement includes a light source and a light guide body which has an input surface and an output surface and guides light from the light source to the object to be measured, whereby the light input surface faces the light source and the light output surface is positioned in the immediate vicinity of the object to be measured andhas a cross section which is selected such that the object to be measured is subjected to scanning light essentially only in the area of the measuring line.
Patent CA-2254812-A1 (CA)
Inventor: MCCONNELL ROBERT IVAN
IPC: C12Q1/28
Filed: 1998-11-18
Abstract: First and second reactants that give a signal when mixed in the presence of an analyte in a liquid sample, are separately contained in sol-gels that release the reactants in the presence of the liquid.  For example, when the first and second reactants respectively comprise an oxidant and a reductant, and the reaction provides a detectable signal, the  system  can  be  used  to  detect  the  presence  of contaminants  in a water  sample.   The sol-gel may be obtained by reaction of water with, per part by volume thereof, at least 2 parts of a metal alkoxide, and drying the resultant gel.
Patent CA-2259232-A1 (CA)
Title: Tethered display device
Inventor: SHAW MATTHEW H
IPC: G09F17/00
Filed: 1997-04-30
Abstract: A tethered display device (11) with at least two vertical panels (18) connected at a top seam (14) and a bottom seam (15). The panels (18) are preferably cloth or other soft and flexible material. The panels (18) and seams (14, 15) define at least one tubular channel through which air can flow.  In preferred embodiments, there are multiple channels in each device (11).  Preferred embodiments will also have at least one soft airfoil (13) horizontally disposed between and connected to the two vertical panels (18).  In the simplest airfoil embodiment, the airfoil (13) defines two tubular channels, one above the airfoil (13) and one below the airfoil (13). In each airfoil embodiment, an airfoil (13) defines in part at least one of the tubular channels. In some embodiments there are multiple airfoils (13). The device (11) may be employed optionally in combination with an artificially enhanced or induced windsource.
Patent CA-2259372-A1 (CA)
Inventor: EIDENS RICHARD S
IPC: G01F1/66
Filed: 1997-06-27
Abstract: A transit time ultrasonic flow meter (40) includes a pair of ultrasonic transducers (44, 46) transmitting an ultrasonic signal through a fluid (48) flowing in a conduit (50) and receiving the transmitted ultrasonic signal. A comparator then detects a difference in phase between the received ultrasonic signal and a reference signal having a selected phase shift with respect to the transmitted ultrasonic signal. Control circuitry (52) selects the phase shift of the reference signal based on outputs of the XOR phase comparator in order to maintain the phase shifts detected by the XOR phase comparator. Since the outputs of the phase comparator are correlated to fluid flow, adjusting the phase of the reference signal enhances the inventive flow meter's measurement of fluid flow.
Patent CA-2263370-A1 (CA)
Title: Connecting device, in particular between a receptacle with a stopper capable of being perforated and a syringe
Inventor: ANEAS ANTOINE
IPC: A61J1/00
Filed: 1997-09-24
Abstract: PCT No. PCT/FR97/01676 Sec. 371 Date Feb. 9, 1999 Sec. 102(e) Date Feb. 9, 1999 PCT Filed Sep. 24, 1997 PCT Pub. No. WO98/13006 PCT Pub. Date Apr. 2, 1998A connecting device (1) between a first receptacle (2) and a second receptacle (4) comprising a muff joint (4a), the device comprising an apparatus (5) for perforating a stopper, including a faucet (6) and a filtering chamber (7) isolated from outside by a filter (8), two independent channels (9, 10) being provided in the perforating apparatus (5) for communicating the inside of the first receptacle (2) with the faucet (6) and the filtering chamber (7) respectively, the device further comprising an element (11) for displacing with guidance the perforating apparatus (5), an element for fastening (13) the skirt (12) on the neck (2a), a plunger (15) mounted in the internal bore (12a) on which the perforating apparatus (5) are fixed, for sliding by simple pressure, and an element (16) for definitively stopping the plunger (15).
Patent CA-2263507-A1 (CA)
Title: Device for connecting a displaceable element to a guide device
Inventor: HAAB OTTO
IPC: E05F5/00
Filed: 1998-06-23
Abstract: The device (2) in accordance with the invention, which serves the joining of a sliding element (1), in particular a glass, metal, or wooden panel, with a guide device (93; 93a) that is guided in a track (91; 91a), exhibits a first and a second mounting piece (31; 41) that contain outer plates (32; 42) which can be joined together via an axle (35), and inserts (33;  43). The inserts (33; 43), which are fitted in a cutout (11) on the edge of the element (1) and connected with one another, enclose a connecting bolt (6) that can be connected to the guide device (93; 93a) and that exhibits a bolt shaft (63) with a bolt head (62), a locking element (61), and a thread. The insert (33) of the first mounting piece (31) exhibits a channel (36) with channel walls (34) intended for the accommodation of the bolt shaft (63), a trough (39) intended for the accommodation of the bolt head (62), and a recess (37) intended for the accommodation of the locking element (61) that can be locked by means of a locking screw (53; 53a). The insert (43) of the second mounting piece (41) exhibits a recess (44) for the accommodation of the channel walls (34) as well as an opening (49) through which the bolt head (62) is accessible. The installed device (2) is adjusted in that the locking screws (53) are loosened a few turns and the connecting bolt (6) is turned until the desired height of the element (1) has been adjusted. Then the locking screws (53) are tightened again. The locking element (61), which is part of the connecting bolt (6), is enclosed within the device (2), for which reason the upper edge of the element (1) practically can be drawn up to the track (91, 91 a).
Patent CA-2267376-A1 (CA)
Inventor: OHGAKI MASARU
IPC: C07D273/00
Filed: 1997-09-24
Abstract: An industrially excellent alternative process for producing cyclodepsipeptide derivatives, as represented in formula (1), having an excellent vermicidal activity as an animal and human an thelmintic, wherein R1 represents hydrogen or a hydroxyl-protective group; R2 represents a carboxyl group optionally protected; R3 , R4 , R7 and R a represent each a lower alkyl, aryl or (un) substituted aralkyl; and R5, R6, R9 and R10 represent each a lower alkyl.
Patent CA-2267528-A1 (CA)
Inventor: BURNS HARRY A
IPC: G05B23/02
Filed: 1997-10-03
Abstract: A maintenance interface device for use in a digital, loop-powered process control network includes an interface to either a two-wire input/output port of a field device or to a two-wire communication media, a control logic for determining a simple status of the field device or communication loop, and a display (122) for displaying the simple status.  The maintenance interface device may be used for fault analysis to detect whether a field device or a communication loop is operational or nonoperational, powered or unpowered, and generating a valid communication signal or generating an invalid communication signal. The maintenance interface device is adapted to perform simple functionality tests on a plurality of devices in a process control network including a loop controller, a digital control system, an operator console, a workstation, a personal computer, and a bridge to thereby detect the functionality of those devices on a communication wire. The maintenance interface device may be self-powered, powered from the device under service, or powered from a communication media such as a bus.
Patent CA-2268328-A1 (CA)
Inventor: BARTH ROLAND
IPC: B29C45/14
Filed: 1999-04-16
Abstract: In a method of encapsulating the edges of thin-walled plates (1), in particular made of breakable materials, such as glass or ceramic, by means of an apparatus having two mold halves (3, 4) which can be moved toward each other and between which the edges are securely held, the two mold halves (3, 4) are firstly moved toward each other under essentially maximum bonding pressure, the edges of the plate (1) being taken up but not loaded, and, after reaching the maximum bonding pressure, an internal sealing cushion (8) is pressed against the plate (1) with a pressure corresponding to the material of the plate (1).      As a result, the maximum bonding pressure of the two mold halves (3, 4) can be hundreds of tonnes, but the plate (1) is nevertheless not damaged. On the other hand, by appropriate setting of the pressure of the sealing cushion (8), oozing out of the injected plastic from the mold cavity (5) can be reliably avoided.
Patent CA-2270115-A1 (CA)
Title: Procedes d'identification d'agents pharmaceutiques a partir d'extraits de vegetaux
Inventor: BEAUFOUR ALBERT
IPC: C12Q1/68
Filed: 1997-11-05
Abstract: L'invention porte sur un procédé d'identification d'un agent pharmaceutique comprenant des composés trouvés dans un extrait de plante, procédé s'effectuant par un dépistage génomique de l'extrait de plante.
Patent CA-2270549-A1 (CA)
Inventor: MOORE SANDERS H
IPC: B60R21/263
Filed: 1997-11-17
Abstract: A propellant module assembly (2) is adapted for containing a liquid propellant which is used to inflate a vehicular air bag. The module assembly (2) includes an igniter; a liquid propellant; a propellant and igniter capsule (4, 18); and a rupturable closure member (26). The capsule (4, 18) and rupturable member (26) are compatible with, and will not deteriorate as a result of contact with the liquid propellant. The liquid propellant, when ignited, will not produce toxic gases, and will not subject vehicle occupants to the possibility of chemical burns, as can occur with solid propellants.
Patent CA-2271290-A1 (CA)
Title: Vehicle hitch mount assembly for a snow plow
Inventor: CURTIS MARK D
IPC: E01H5/06
Filed: 1999-05-07
Abstract: Hitch mount for hydraulically driven snow blades or other accessories that includes a receiver plate for mounting to the vehicle chassis and a one piece plow assembly and lift frame readily removably coupled to the receiver plate, the plow assembly preferably including a blade trip frame and a snow blade removably coupled to the trip frame. A optional power operated jack can be used to raise or lower the lift frame relative to the vehicle chassis.
Patent CA-2271637-A1 (CA)
Title: Aqueous alkaline peroxygen bleach-containing compositions
Inventor: PETRI MARCO
IPC: C11D3/36
Filed: 1997-11-06
Abstract: The present invention relates to stable liquid aqueous compositions having a pH above 8, and comprising a peroxygen bleach, a radical scavenger, a chelating agent and a pH buffer.
Patent CA-2275793-A1 (CA)
Title: Testing of plumbing installations and plumbing tool
Inventor: MANKINS JOHN M
IPC: E03F7/00
Filed: 1997-12-30
Abstract: A method and apparatus for testing a plumbing system (20) and for removing obstructions (70) in a plumbing line (44). During the rough-in plumbing phase of construction (Fig. 1), the drain pipe (44, 46, 48) from the plumbing system (20) in a building (22) to the main city sewer line (38) is positively sealed off by a test cap (70) welded in the pipe at the location of the clean-out (56), access to which is maintained through the clean-out (56). Pressurizing the rough-in plumbing to test proceeds. If any leaks occur, they are in the branch plumbing (26) on the building side of the test cap, and not at or in the test cap. Following successful completion of the initial test, the top-out plumbing is completed, leaving the test cap (70) welded in the clean-out (56) or drain pipe (44). After the roof vents are in, the second test of the plumbing system (20) is made. If the system shows any leaks, they are the result of a failure in the plumbing and not a failure of the test cap (70).  After final test and inspection, a special tool or apparatus (100) in accordance with the present invention is inserted down the clean-out (56) to penetrate and ream-out the test cap (70), so that the drain pipe is opened (174) and provides a passageway (180) through which the waste can flow to the sewer line (38).
Patent CA-2277525-A1 (CA)
Title: Pipe preparation tool
Inventor: YEHIA VICTOR
IPC: B08B9/023
Filed: 1999-07-16
Abstract: A hand tool is provided wherein a pipe end engages a female or male brush at one end of the tool and the other end has a grippable member that allows a rotating bicycling motion to permit the easy cleaning of the pipe end. Variations include a hinge between such ends to allow cleaning the pipe end at an angle or a ratchet version.
Patent CA-2278355-A1 (CA)
Title: A reconstruction system for vertebra
Inventor: VLASAK RICHARD
IPC: A61B17/86
Filed: 1999-07-22
Abstract: A reconstruction system for vertebra, with - at least one annular middle body' - two annular end bodies, wherein the end surfaces of the middle body and of the end bodies are formed such that the bodies may be staked over one another and one end surface of the end bodies comprises a receiving section - two approximately right-angled vertebra body plates of which one limb is formed such that in a direction perpendicular to the axis of an end body it is insertable into the receiving section in a manner such that the one limb is prevented from moving away from the end body in the direction of the axis, whilst the other limb comprises at least one bore for a bone screw and at least one threaded bore and - a connection plate, which at the ends comprises openings for connection to the other limb via a screw.
Patent CA-2279590-A1 (CA)
Title: Targeted therapeutic delivery of vitamin d compounds
Inventor: BISHOP CHARLES W
IPC: A61K47/48
Filed: 1998-02-13
Abstract: The present invention is directed to a conjugate which includes at least one vitamin D moiety thereof and at least one targeting molecule moiety to pharmaceutical compositions of the conjugate, and to methods for using the conjugate for target-specific delivery of vitamin D or analogs thereof to tissues in need thereof. When a particularly preferred form is administered to a patient, the targeting molecule component of the conjugate of this invention seeks out and binds to a tissue of interest, such as bone or tumor tissue, where the vitamin D has a therapeutic effect.
Patent CA-2279824-A1 (CA)
Inventor: MERALDI JEAN-PAUL
IPC: C08B16/00
Filed: 1998-02-02
Abstract: A cellulose formate fiber of liquid-crystal origin, having a high elongation at break and having the following characteristics: a) under an optical polarizing microscope, its filaments have a banded structure typical of its liquid-crystal origin; b) it satisfies the following relationships: DS>/=2; Ar>/=8; Te<45; Mi>500; Er>10, DS being the degree of substitution of the cellulose with formate groups in the fiber (in %), Ar the elongation at break (in %) of the fiber, Te its tenacity (in cN/tex), Mi its initial modulus (in cN/tex) and Er its energy at break (in J/g). Also, a process for obtaining this cellulose formate fiber by "dry-jet-wet-spinning" of a liquid-crystal solution of cellulose formate, in which water is used as coagulating agent. A fiber of cellulose regenerated from cellulose formate which itself has a high value of elongation at break, and a process for obtaining this fiber.
Patent CA-2280541-A1 (CA)
Inventor: MANGNUS EDDY
IPC: C07B63/02
Filed: 1999-08-20
Abstract: The invention relates to a process for separating trimethylol-propane and a water-soluble salt from a solution thereof using electrodialysis. The solution is typically a crude product originating from an aldol addition of formaldehyde to butyraldehyde followed by a Cannizzaro reaction in the presence of an alkali metal hydroxide and contains trimethylolpropane, hydroxy functional byproducts and an alkali metal formate. The process does not use an organic solvent and may produce trimethylolpropane that is not colored and can be processed directly without further purification.
Patent CA-2283370-A1 (CA)
Title: Improved utility bar
Inventor: KHACHATOORIAN ZAREH
IPC: B25C11/00
Filed: 1999-09-24
Abstract: An improved utility bar includes an elongate shank which has a longitudinal axis, a prying hook at one end and a prying chisel at the other end. The prying hook has a tapered portion extending along a direction generally an angle a with the longitudinal axis and a generally U-shaped portion integrally formed with the shank and the tapered portion. The tapered and U shaped portions together form a prying footprint surface facing a direction away from the shank. The angle a is selected to be greater than 90° and preferably selected within the range of 93° - 110°. The prying footprint has a minimum transverse dimension which is substantially greater than the minimum cross sectional dimension of the shank.
Patent CA-2284302-A1 (CA)
Title: Method for localization of an acoustic image out of man's head in hearing a reproduced sound via a headphone
Inventor: KOBAYASHI WATARU
IPC: H04R5/033
Filed: 1999-09-29
Abstract: This invention aims to provide a method for localization of an acoustic image out of the head upon listening with a headphone capable of obtaining audibility just as if a reproduced sound is heard at a listening point with actual speakers, different from conventional methods and a device for achieving the same method.      This method is intended for localization of an acoustic image out of the head in hearing a reproduced sound via a headphone, and comprises the steps of: with audio signals S1-S11 of left, right channels reproduced by an appropriate audio appliance as input signals, branching the input signals of the left and right channels to at least two systems; to form signals of each system corresponding to the left, right channels with left, right speaker sounds imagined in an appropriate sound space with respect to the head of a listener wearing a headphone Hp and virtual reflected sound in the virtual sound space SS caused from a sound generated from the left and right virtual speakers S PL, S PR, creating a virtual speaker sound signal by processing so that the virtual speaker sounds from the left and right speakers are expressed by direct sound signals, and virtual reflected sound signals by processing so that the virtual reflected sound is expressed by reflected sound signal; mixing the direct sound signal and reflected sound signal of each of the left, right channels created in the above manner with mixers M L, M R for the left and right channels; and supplying both the speakers for the left, right ears of the headphone with outputs of the left and right mixers M L, M R.