baber/WOPTO huggingface dataset:
Patent CA-2057922-A1 (CA)
Title: Flexible telescopic prop for building materials
Inventor: QUANTE HEINRICH
IPC: E21D15/18
Filed: 1990-05-10
Abstract: (57) Abstract A structure for supporting mining cavities in underground mines and tunnels comprises props or elements (1) filled with building material (6). The elements (1) are composed of several telescopic inner and outer tubes (4, 5) which can be braced against each other and against the roofs and floors by means of a suitable mechanism. The telescopic prop is first braced in this manner and then filled with build-ing material (6). The building material (6) can be rapidly and advantageously hardened by means of a drainage device, in particular drainage boreholes (49, 50), and therefore a structure of this type can ab-sorb high supporting forces. The core of building material is secured by the outer and inner tubes (5, 4) which act as a sheath. A reinforcement (45) can also be inserted in order to further increase the sup-porting forces to be absorbed. This telescopic prop comprising individual inner and outer tubes (4, 5) can be used to obtain a multiple-section supporting arch (89). Each end face of the inner and outer tubes (4, 5) carries connecting butt straps (85, 86) with boreholes (88), so that a very simple articulated joint can be obtained.
Patent CA-2059449-A1 (CA)
Title: Process for the synthesis of citroconimides
Inventor: TALMA AUKE G
IPC: C07D207/448
Filed: 1992-01-16
Abstract: The present invention relates to an improved synthesis method for the making of citraconimides wherein a citraconic anhydride is reacted with 0.5 to 2.0 equivalents of at least one amine salt. This process may be carried out in a solvent and generally leads to excellent yields of the citraconimides with high selectivity and easy purification. The present invention also relates to a process for the production of citraconic anhydride from itaconic anhydride with an amine or phosphine catalyst and in a cosolvent.
Patent CA-2060833-A1 (CA)
Title: Analgesic composition containing ibuprofen
Inventor: MODY DHIRAJ S
IPC: A61K47/00
Filed: 1992-02-07
Abstract: The invention provides a topical analgesic composition comprising an oil-in-water emulsion containing about 5% to about 12% by weight of ibuprofen and about 60% to about 90% by weight of water, the oil phase of the emulsion consisting essentially of emollient constituents that do not dissolve the ibuprofen to any great extent at a pH of 4-7, the composition having a pH of about 4 to about 7.2 such that the ibuprofen is suspended in substantially solid crystalline form and the ibuprofen which is dissolved is partially in the neutral or non-charged state.  The invention also includes a process for preparing this composition.
Patent CA-2061944-A1 (CA)
Inventor: OMORI NAOYA
IPC: C30B29/04
Filed: 1992-02-27
Abstract: A diamond-coated hard material having a diamond- or diamond-like carbon-coating layer with a high bonding strength to a substrate is provided.  This diamond- and/or diamond-like carbon-coated hard material comprises a diamond- and/or diamond-like carbon-coating layer formed on the surface of a hard material in which at least one intermediate layer is present between the surface of the substrate and the diamond- and/or diamond-like carbon-coated layer, and (1) micoscopic roughness is present and (2) the surface roughness in a  standard length is represented by an Rmax of 0.5 µ m, preferably 1.0 µ m, to 30 µ m when the standard length is  50 µ m, in the interface of the outermost surface of the intermediate layer and the diamond- and/or diamond-like carbon-coated layer.
Patent CA-2064856-A1 (CA)
Title: Metal detecting system
Inventor: GHENT HUGH W
IPC: G01V3/11
Filed: 1990-09-07
Abstract: A metal detection station capable of detecting tiny metal pieces unlawfully concealed on persons moving through the station is disclosed. The station comprises a transmitting coil, receiving coils, field shaping coils, field shielding coils, shielding plates, receiver balancing coils, and a computer based console employing software to digitize, analyze, display, and store the detected signals.
Patent CA-2066611-A1 (CA)
Inventor: CHANDRAN SRIKUMAR R
IPC: H04B10/556
Filed: 1990-09-12
Abstract: 2066611 9104530 PCTABS00003 Error detection of digital data transmitted on an optic link (18a-18b) is accomplished by creating, before transmission, a check code comprising check bits that correspond to spaced one of the data bits forming the plurality of bits. The check code is then transmitted with the plurality of bits (Fig. 1) to a receiver (32), where the plurality of bits are used to create an error code in the same manner as the check code, the error and check codes compare, and an indication of error (64) generated when a miscompare is detected.
Patent CA-2071571-A1 (CA)
Inventor: SMITH GENE A
IPC: A61G7/10
Filed: 1992-06-18
Abstract: An  invalid patient  lifting  and  turning  apparatus  which includes an open framework for being positioned above a bed, an elevator supported by the open framework and a patient support straps for being positioned on a mattress of the bed underneath the patient and remaining underneath the patient at all times.  The straps are removable and replaceable for extending laterally from side-to-side along the length of the patient for supporting the patient's head, trunk and legs.  Connecting straps are provided for connecting the patient support straps and the elevator thereby permitting the patient support straps to lift the patient above the mattress surface for cleaning and bed-linen changing. A patient turning apparatus is provided for being connected to the elevator for turning the patient from side-to-side in the bed.
Patent CA-2072535-A1 (CA)
Title: Equalizer for optically transmitted information signals
Inventor: HEIDEMANN ROLF
IPC: H04B10/2507
Filed: 1992-06-26
Abstract: To be able to compensate for the non-linear signal distortions occurring due to the "laser chirp" and the chromatic dispersion of the optical waveguide in analog optical transmission systems, an equaliser in the form of an LC section is known, the capacitance of which is formed by a capacitance diode. However, the known equaliser only functions when the capacitance has the suitable polarisation which cannot be predicted because of possible polarity reversal during the signal transmission. According to the invention, a further capacitance diode (Cb) is connected in parallel with the capacitance diode (Ca), with opposite polarisation, and is also biased in the reverse direction. By setting the bias voltage of the two capacitances, it can be achieved that optionally one of the two capacitance diodes handles the equalisation function and the other one is virtually ineffective. Further developments of this solution relate to keeping the frequency response constant during the adjustment of the equaliser, by means of a controllable capacitance connected in parallel with the capacitance diodes (Ca, Cb), and the equalisation of signals with large bandwidth by a cascaded LC circuit with LC sections according to the invention.   <IMAGE>
Patent CA-2072872-A1 (CA)
Title: Three-pole, metal encased, pressurised-gas-insulated high-voltage switchgear
Inventor: KELCH THOMAS
IPC: H02B13/035
Filed: 1990-09-13
Abstract: (57) Abstract In three-pole, metal-encased, presssurised-gas-insulated high-voltage switchgear there is a single-pole encapsulated high-voltage power switch. Its breaker-units (2) located in the pressure chambers (4) are arranged with their axes (6) paral-lel and secured to a bearing component which also carries the drive casing(10). To improve the mechanical rigidity of the bearing component, there is a shared gear-casing (10) with two partitions (11) for the switching mechanism to which the breaker units (2) are secured via bearing rings. Supported by bridges (19), the bearing rings are located in front of three apertures (14) on a side wall (13) of the gear-casing (10) to the flange (15) of which the pressure chamber (4) is also secured. Inside the gear-casing (10) there are carries (22,22a) for the bearings (29,30) of the drive shafts (23,23a) extending from the partitions (11) or an outer wall (24). All bearing (20,38) and sealing surfaces (16,40) of the gear-casing (10) are in parallel planes and are to be clamped in. The entire gear-casing for the switching mechanism is suitable for single-pole encapsulated pressurised-gas-insulated high-voltage switchgear. * Sieh Rückseite
Patent CA-2073212-A1 (CA)
Title: Elevator system for a building
Inventor: POKUS IVAN
IPC: B66B13/08
Filed: 1992-07-06
Abstract: An  elevator  system  for  a  two  storey  building includes two carriages each of which is movable from the upper floor  to  the  lower  floor  and  which  are  mounted  in  a counterbalance arrangement so as to move simultaneously.  The carriages are mounted upon a single central support between the  two  carriages  and  are  carried  thereby  in  canterly arrangement projecting outwardly from the sides of the central support.    The  whole  of  the  weight  of  the  structure  is therefore  transmitted  to  the base of the  support  to avoid necessity for reinforcement of the building structure.  A door system includes four doors, two on each level.  The doors are spring biased to an open position that can be latched closed.          The  latches are automatically opened so that  the available carriage always has the door open.  Opposed doors on the two levels are connected by lever mechanism so that as the door on the lower level is closed to close the carriage, the door on the upper level is also closed to close the carriage present at  that  level.   This saves time since a carriage is always awaiting  the  potential  occupant  on  whichever  level  he approaches.
Patent CA-2074221-A1 (CA)
Title: Apparatus and method for axially aligning straight or curved conduits
Inventor: PONCELET GEORGE V
IPC: B23K37/053
Filed: 1992-07-20
Abstract: An apparatus and method for aligning conduits including pipes, pipe fittings and the like prior to joining, the apparatus including a first ring assembly for removably encircling an end portion of a first conduit to be joined and a second ring assembly for removably encircling an end portion of a second conduit to be joined to the end portion of the first conduit.  A connecting device is provided for connecting the first and second ring assemblies together axially spaced apart so that the ring assemblies are spaced apart sufficiently to permit joining of the end portions of the conduits between the first and second ring assemblies. The apparatus is also provided with aligning provisions for axially aligning the end portions of the first and second conduits, the aligning provisions being disposed between the ring members and including a plurality of adjustable contact surfaces for contacting respective end portions of the first and second conduits.  The contact surfaces are moveable relative to each other to move the first and second conduits into an axially aligned position.
Patent CA-2075458-A1 (CA)
Title: Melt crystallised xylitol
Inventor: DUROSS JAMES W
IPC: A23L27/30
Filed: 1992-08-06
Abstract: Melt crystallized xylitol possesses an agglomerated crystalline structure under a scanning electron microscope; an increased surface area rela-tive to aqueous crystallized xylitol, of at least about 0.12 square meters per gram; and unexpected hardness valuaa when compressed into a tablet, Chewing gum compositions comprising such melt crystal-lized xylitol are much less tacky and gritty compared to gum compositions comprising equal proportions of conventional aqueous crystallized xylitol of similar particle size distribution.
Patent CA-2077009-A1 (CA)
Title: Process for the preparation of a dehydrogenation catalyst and the use thereof
Inventor: HAMILTON DAVID M JR
IPC: B01J23/85
Filed: 1992-08-27
Abstract: The instant invention relates to a process for the preparation of an improved dehydrogenation catalyst made up of iron oxide and potassium oxide by combining an iron-containing compound made up of from 10% to 100% by weight of a micaceous iron oxide and a potassium-containing compound to form a pellet, followed by calcination, and to the use of the catalyst for the non-oxidative dehydrogenation in the presence of steam of hydrocarbons, in particular the dehydrogenation of ethylbenzene to styrene.
Patent CA-2077519-A1 (CA)
Title: Direct detection of hepatitis c virus rna
Inventor: VIERLING JOHN M
IPC: C12Q1/70
Filed: 1992-09-03
Abstract: Direct Detection of Hepatitis C Virus RNA                 Abstract The  methods  and  compositions  of  this  invention provide a fast, accurate means for directly determining the presence and quantity of HCV in a sample, and thus in a patient, through hybridization to patient samples using a probe specific for HCV.  They allow detection of both acute  and  chronic  HCV  infection.    These methods  and compositions also allow for the effective monitoring of therapeutic procedures for treating HCV infection.
Patent CA-2077981-A1 (CA)
Title: Blood collection tube assembly
Inventor: WILLIAMS JOEL L
IPC: A61J1/05
Filed: 1992-09-10
Abstract: The present invention includes a plastic container deposited with a silicon oxide based film and a method for depositing a silicon oxide based film as a barrier. The film is useful  for providing an effective barrier against gas permeability in containers and for extending shelf-life of containers,  especially plastic  evacuated blood collection devices.
Patent CA-2079667-A1 (CA)
Title: Deflection distortion correction circuit
Inventor: KAWABERI SEIJI
IPC: H04N3/23
Filed: 1992-10-01
Abstract: In a vertical deflection distortion correction circuit, there are provided a vertical deflection output circuit, a damping circuit, a vertical deflection yoke and a resonance circuit. A current is resonated in the resonance circuit, and on the other hand, a vertical deflection current is derived from the vertical deflection output circuit and supplied to the vertical deflection yoke. Then, the resonated current is superimposed on the vertical deflection current. The superimposed vertical deflection current is finally supplied to the vertical deflection yoke. The resonance circuit is constructed of an LC parallel circuit and a switching element circuit. The switching element circuit is arranged by either FETs, or thyristors.
Patent CA-2080258-A1 (CA)
Title: Process for the purification of streptolysin o, intact streptolysin o obtainable by this process and its use
Inventor: ALTHAUS HARALD
IPC: C12P21/00
Filed: 1992-10-09
Abstract: BEHRINGNERKE AKTIENGESELLSCHAFT    HOE 91/B 030 - Ma 912 Dr. Ha/Bi Abstract Process for the purification of streptolysin O, intact streptolysin O obtainable by this process and its use The invention relates to a process for the purification of streptolysin O (SLO) by means of chromatography and to the use of streptolysin.
Patent CA-2086303-A1 (CA)
Title: Air duct closure device
Inventor: HYZYK MARIUSZ
IPC: F24F13/10
Filed: 1992-12-24
Abstract: Title of the Invention: AIR DUCT CLOSURE SYSTEM An inflatable bag of flimsy plastic material is disclosed, which is placed in the air duct of a house or other building. The bag is coupled to a fan and electric motor. The device is placed near the duct outlet register, where it can be easily inserted and retrieved. The motor is operated, to inflate/deflate the bag, by a thermostat in the room. Radio connection between the thermostat and the motor is disclosed. When the bag is deflated, the duct is open, and treated air from acentral unit can then enter the room. The bag takes air from inside the duct, and static pressure inside the duct holds the bag inflated; when the bag is deflated, the air intake faces away from velocity of the flowing air, so the flowing air does not tend to inflate the bag. Battery operation of the motor is disclosed.
Patent CA-2086680-A1 (CA)
Title: Device in fork lift trucks, pallet loaders, articulated stacking trucks and similar lifting equipment
Inventor: JOHANSSON EVALD V
IPC: B66F9/12
Filed: 1991-06-19
Abstract: The invention concerns a device in fork lift trucks (1) comprising a pillar stand (2) and a horizontal lifting fork (4, 5) arranged to be lifted and lowered. On the lifting fork (4, 5) are mounted a pair of rigidly interconnected deposition arms (6, 7), said arms being hingedly connected to one of the lifting fork arms (4, 5) by means of a hinge (8). The device comprises a mechanism (10, 11, 12) arranged by attachment of the deposition arms (6, 7) to the stand (2) and subsequent lowering of the lifting fork (4, 5) to a somewhat lower level, to bring the deposition arms (6, 7) and an object (13) positioned thereon, to assume an adjustable tilting position on top of the lifting fork (4, 5).
Patent CA-2087064-A1 (CA)
Title: Radio paging system having a plurality of transmitter stations
Inventor: ICHIKAWA YOSHIO
IPC: H04B7/26
Filed: 1993-01-11
Abstract: A global radio paging system is disclosed in which a plurality of radio frequency carriers having the same frequency are synchronously modulated in a plurality of base stations, corresponding in number to the radio frequency carriers with the same digital paging signal, and are then transmitted. A pagingcontroller which receives paging calls through a public switched telephone network stores preliminarily the maximum value of a sum of a paging request signal transmission time in a transmission line and a time required to process the paging request signal in each of the base stations and a high precision time signal is produced on the basis of a reference signal from a GPS (Global Positioning System) satellite. In this paging controller, a transmission time assigning code is attached to the paging request signal. The transmission assigning code assigns a transmission start time which is delayed from a currenttime determined by the high precision time signal by the maximum value of the sum of the transmission time and the processing time. On the other hand, in each of the base stations, a high precision time signal is produced on the basisof the reference time signal from the GPS satellite and the paging request signal supplied through the transmission line is processed on the basis of the high precision time signal to convert a format into the digital paging signal to thereby realize synchronous modulation of the carriers.
Patent CA-2087926-A1 (CA)
Title: Sulfur absorbents
Inventor: KHARE GYANESH P
IPC: B01D53/52
Filed: 1993-01-22
Abstract: A composition and method of making a strength enchanced composition are described.   The composition comprises zinc oxide, silica and colloidal oxide solution.  The colloidal oxide solution is utilized as a binding agent to provide a strength enhanced absorbent composition that can be utilized in an absorption process for the purpose of removing sulfur contaminants from fluid streams.
Patent CA-2087960-A1 (CA)
Inventor: FISCHER ROBERT
IPC: A23L27/30
Filed: 1991-07-22
Abstract: Edible fruit, seed and vegetables of transgenic plants modified to produce a sweetening protein such as monellin or thaumatin are useful in preparing food compositions which have enhanced sweetness improved flavor. Expression systems for the genes encoding sweetening proteins compatible with plant systems and designed to enhance the production of these proteins in the edible portions of plants, and methods for producing sweetened fruit, seeds and vegetables are described.
Patent CA-2091473-A1 (CA)
Title: Bypass injector valve for variable cycle aircraft engines
Inventor: WAGNER MARK J
IPC: F02K3/075
Filed: 1993-03-11
Abstract: ABSTRACT    Noise suppression of a variable cycle aircraft engine is achieved during takeoff by reducing the velocity and thrust of the primary exhaust flow.  A bypass valve located between a high pressure bypass air duct and a low pressure flade duct provides an alternative exhaust path for the bypass air.  Mixing of the bypass air and flade air reduces the fan pressure ratio and produces a dump loss, both of which reduce exhaust noise during takeoff.
Patent CA-2092788-A1 (CA)
Inventor: LOPEZ PIERRE
IPC: H04W88/02
Filed: 1993-03-26
Abstract: Procédé amélioré de commande automatique de gain dans un récepteur superhétérodyne de signaux radioélectriques et récepteur mettant en oeuvre ce procédé. Le procédé de l'invention concerne l'utilisation d'une fréquence intermédiaire dans un circuit de réception et de démodulation de signaux hyperfréquence, préalablement à leur amplification. Un choix astucieux de fréquence intermédiaire permet la réalisation aisée de ce circuit de réception. La solution proposée est de choisir une fréquence intermédiaire pour le circuit de réception qui correspond à une fréquence utilisée couramment dans les téléviseurs et les magnétoscopes. Ce choix avantageux permet l'utilisation d'un composant très courant et donc peu coûteux, une ligne à retard vidéo, pour permettre à une boucle ouverte d'agir sur le gain de l'amplificateur avant l'application du signal à son entrée. Un récepteur selon l'invention contient donc une ligne à retard vidéo à la fréquence intermédiaire choisie qui retarde le signal avant l'entrée d'un amplificateur dont le gain est commandé par une boucle ouverte. FIG.1
Patent CA-2096880-A1 (CA)
Title: Portable shredder-compactor
Inventor: JEFFORD HENRY
IPC: B02C21/02
Filed: 1993-07-09
Abstract: Dear Mr. Hester:     In regard to your letter of June 25th, 1993, I have included:            Abstract;          For volume reduction of garbage buildings are stationery on site and are very expensive to operate (cost in the millions to build).          The material has to be brought to the site.  This invention is a portable  shredder-compactor,   it  is  self-propelled  and  can substantially  reduce  costs  for  both  the  smaller  and  larger municipalities for volume reduction and compaction of garbage.          Material would be dumped into this machine where cans, bottles, and containers, etc. would be crushed thereby reducing its volume.  It is a very viable and economical operation.
Patent CA-2100888-A1 (CA)
Inventor: GENISE THOMAS A
IPC: F16H63/30
Filed: 1993-07-20
Abstract: A fluid operated shift actuator (11) is provided, and is especially suited for use in an X-Y shift mechanism for a change-gear mechanical transmission. The shift actuator includes a piston rod (47), a piston member (87), and a pair of auxiliary pistons (93 and 95), to define fluid pressure chambers (91 and 92). After the piston member (87) and the piston rod (47) have been displaced from neutral in either direction, into a gear engagement position, pressurizing both fluid pressure chambers (91 and 92) will cause the actuator to return to the neutral position (gear disengagement) with substantially less force than that exerted when the actuator moved into the gear engagement position. <IMAGE>
Patent CA-2107005-A1 (CA)
Title: Retaining Device
Inventor: NEUENFELDT FREDERICK E
IPC: E02F9/28
Filed: 1993-09-27
Abstract: A digging bucket has a lip, a lip aperture with a forward surface, a digging component mounted on the lip, and a component retaining device.  The device comprises a keeper wedge with protrusions bearing against the component and a wedge member interposed between the forward surface and the component.  In the improvement, the keeper wedge has at least one angled face and the wedge member has a pair of angled faces, at least one of which bears against the angled face of the keeper wedge. The wedge member is retained in position by a tension bolt extending through the aperture.  Several embodiments are disclosed with wedge members having one or two wedges to urge the keeper wedge (and thus the digging component) rearward tightly against the lip.