baber/WOPTO huggingface dataset:
Patent CA-2121482-A1 (CA)
Inventor: MCSPADDEN JOHN T
IPC: A61C5/04
Filed: 1991-10-16
Abstract: 2121482 9307828 PCTABS00021 A method of obturating an extirpated root canal utilizes two types of filler material, one type of which is in the form of a gutta-percha point (50) and the other type of which is a thermoplasticized gutta-percha (52) having a melting temperature of about 15·  to 20· C less than the melting temperature of the gutta-percha point. The steps of the method include the introducing of an initial amount of thermoplasticized gutta-percha (52) in a heated and softened condition into the root canal so that the initial amount fills the bottom of the canal. A gutta-percha point (50) is then positioned within the root canal and another amount of thermoplasticized gutta-percha (64) is introduced in a heated and softened condition into the canal. The thermoplasticized gutta-percha is then manipulated into contact with the portion of the gutta-percha point positioned within the root canal.
Patent CA-2121656-A1 (CA)
Title: Concrete structure reinforcement, fabrication process and device used therefore
Inventor: BOLLAERT GEOFFROY
IPC: E01C11/16
Filed: 1994-04-19
Abstract: The subject of the invention is a reinforcement member comprising a steel strip (10) which can be reeled up and intended to be incorporated in the concrete. The faces of the steel strip each comprise substantially straight ribs (12) arranged in at least one longitudinal row (R), these ribs being substantially parallel to each other and inclined with respect to the longitudinal direction of the strip. The ribs (12) of one of the faces of the strip are symmetrical with the ribs (12) of the other of the faces of the strip with respect to the mid-plane of the strip parallel to the faces of this strip. The subject of the invention is also a process and a device for manufacturing this reinforcement. <IMAGE>
Patent CA-2125307-A1 (CA)
Title: Configurable logic array
Inventor: JONES GARETH J
IPC: H03K19/177
Filed: 1994-06-07
Abstract: ABSTRACT          Title: Configurable logic array A configurable  semi-conductor integrated circuit comprising an  area thereof  formed with  a plurality of logic   circuits   at   discrete  sites  or  cells  (cc) respectively defining a  matrix  array  of  cells.   The matrix array of cells is subdivided at least into zones (each comprising  a matrix array of  cells) and further comprising  a  porting  arrangement  for each zone and a hierarchical routing resource structure comprising:-(i)    global connection parts (G,  X) having selectable connections with the porting arrangement of each zone, (ii)   medium  connection  parts  (M) extending from the porting arrangement  and selectably  connectable with at least some of the cells in a zone, and (iii)  local   direct   connection  paths  comprising  a restricted signal translation system.      The  application  also  describes  a configurable semi-conductor  integrated  circuit  comprising a matrix array of  core cells  (cc), each  of the  cells having a first  simple  function in  common  and  at  least  one subsidiary function, there being at least  two different subsidiary  functions,  the  core cells being grouped in tiles  comprising  a  matrix  array  of  the  core cells smaller than  the whole  array and wherein each tile has at least one of each different  subsidiary functions and wherein the  tiles of  core cells  are arranged so as to uniformly cover the array.   Preferably  there are fours cells to  a tile  and the  preferred subsidiary function are:-  wired-OR,  XOR,  D-type   flip  flop   and  latch function.      The  above  features  are  preferably combined to produce  a  particularly  advantageous  construction  of configurable semi-conductor integrated circuit.
Patent CA-2127299-A1 (CA)
Inventor: ICHIKAWA HIDEKI
IPC: H01S5/022
Filed: 1994-07-04
Abstract: There is provided a resin coating method capable of coating thinly and uniformly surfaces of a semiconductor laser  chip  and  photodiode  chips  and  in  a  semiconductor laser device with a resin.   The semiconductor laser device is fixed to a turntable with a laser beam emission window of a cap opened upward.   A resin  is dropped on the chips inside the cap through the laser beam emission window, and then the turntable is made to spin around a spindle which extends in a direction approximately perpendicular to the turntable to  thereby  flow  a  superfluous  portion  of  the dropped resin toward an internal wall of the cap.
Patent CA-2128386-A1 (CA)
Inventor: DALY JOHN J
IPC: H04B7/185
Filed: 1994-07-20
Abstract: A communication method wherein rate of information transfer with a given signal transmitted or received at a transceiver node is dynamically varied as a function of the relative quality of the the transmission environment. The method employs a responsive buffering process at each communication node that permits this rate to be varied somewhat independently of the rate at which information is transferred to or from the transceiver node. In a particular application, the invention permits information to be exchanged between a wireless signal having a variable error correction bandwidth and a fixed bandwidth data stream.
Patent CA-2130204-A1 (CA)
Inventor: SMITH J WILLIAM
IPC: F23J15/00
Filed: 1994-08-08
Abstract: A system for controlling sulfur dioxide (SO2) in a flue gas produced by a boiler comprises an air heater connected to the boiler for cooling the flue gas produced by the boiler. A dry scrubber is connected to the air heater and a slurry source for receiving the heated flue gas and a slurry in order to remove SO2 from the flue gas.  A particulate collector is connected to the dry scrubber in order to collect particles from the flue gas.  Heat is recovered from the flue gas by connecting a condensing heat exchanger to the particulate collector; and a condensate recycler is connected to the condensing heat exchanger and the slurry source for reducing the water requirements for the system.
Patent CA-2130442-A1 (CA)
Title: Aqueous Liquid Flavor Oil Capsules, Method of Making and Using in Foods
Inventor: WAMPLER DANIEL J
IPC: A23L13/40
Filed: 1993-03-30
Abstract: Aqueous liquid flavor oil capsules are made by coacervation and used in a wide variety of flavoring foods such as deep fat frying, baking microwaving and extrusion applications.
Patent CA-2142593-A1 (CA)
Title: Ramp-up lateral accelerator in a flat-article feed and shingling device
Inventor: RICCIARDI MARIO
IPC: B65H1/14
Filed: 1993-08-18
Abstract: A transport mechanism for transporting flat documents (5) placed therein on edge uses a horizontal conveyor belt (1) to convey stacks of documents on-edge in a first feeding direction. Tapered rollers (9) with a feeding direction perpendicular to that of the conveyor belt (1) are provided at the end of the conveyor for feeding the documents (5) in a direction perpendicular to the first feeding direction. The use of tapered rollers (9) allows a gradual, rather than sudden, perpendicular velocity to be imparted to the documents (5), thereby relieving strain on the roller drive mechanism, the rollers (9) themselves, and the documents (5) at high machine throughput speeds. The use of tapered rollers (9) also provides a shingled output of documents to a feeder (17), which allows a stripping station down-line from the feeder (17) to strip the documents (5) with fewer misfeeds and less strain.
Patent CA-2142661-A1 (CA)
Inventor: YOSHIZAWA YASUNORI
IPC: H04J1/00
Filed: 1995-02-16
Abstract: The invention provides a radio station apparatus which converts a plurality of inputs digital transmission signals whose data transmission rates are different into an analog signal, modulates the analog signal with a radio carrier frequency and transmits the modulated signal, and a signal transmission method through radio station apparatus. The radio station apparatus of the present invention includes indoor unit (10), outdoor unit (20), and coaxial cable (60) which connects indoor unit (10) and outdoor unit (20) to each other. An inputted first binary digital signal is converted into a serial second binary digital signal by parallel/serial converter (2)and modulated by amplitude shift keying (ASK) into a third binary digital signal by modulator (13) with carrier f3 (Hz) whose frequency is a common multiple of respective value of n (sampling number) x m (quantization bit number) times the data rate of all inputted data. The third binary digital signal is multiplexed by frequency division multiplexing with another signal or signals by multiplexer (3) and transferred to outdoor unit (20) through coaxial cable (60).      In outdoor unit (20), transferred third binary digital signal is demultiplexed and converted into an analog signal by a D/A converter. The analog signal is modulated by RF modulation by modulator (24) and amplified by power amplification and then transmitted.
Patent CA-2142736-A1 (CA)
Title: Machine a brocher haute precision et finition haute qualite; mode d'emploi; l'agent de lubrification/refroidissement correspondant
Inventor: YUAN LIN-SEN
IPC: C10M129/40
Filed: 1994-06-10
Abstract: Un outil de brochage (10) possède une pluralité de dents de coupe (22) destinées à brocher un petit trou profond avec une grande précision et une bonne finition de surface. Le nombre de dents (22) engagées dans le trou pour la découpe est de trois à huit à la fois. Pour le brochage de métaux adhérant à l'outil tels que l'acier inoxydable, chaque outil de coupe (22) présente un angle antérieur, un angle postérieur et une élévation, qui sont suffisamment grands pour empêcher le durcissement thermique de la surface du trou. Une bague (22c) est prévue entre la face antérieure et la surface en palier (22a, 22b) de chaque dent de coupe (22), et sa largeur est sélectionnée de façon à empêcher la formation de traces d'outil axiales et annulaires. Des encoches en V (30) ayant un grand angle radial et un petit angle postérieur sont formées sur le plateau (22b) de chaque dent de coupe (22) pour casser les copeaux et empêcher l'obstruction. L'outil (10) comprend en outre un tourillon postérieur (24) qui possède une pluralité de dents de lissage (26) dont le diamètre est plus grand que le diamètre fini du trou. Il est possible de prévoir un jeu d'outils de brochage plus ou moins fins; lorsque l'outil fin est usé au-delà des tolérances, il subit un traitement qui le transforme en outil rugueux. Un liquide de lubrification et de refroidisement contenant de la poudre de disulfure de molybdène dispersée dans une suspension liquide est appliqué sur l'outil (10) pendant le brochage.
Patent CA-2143986-A1 (CA)
Title: Incubation method and apparatus therefor
Inventor: DRATT RAINER
IPC: A01K41/00
Filed: 1995-03-06
Abstract: The invention relates to a poultry egg incubation method and an apparatus for carrying out the method. Eggs are initially placed in openings of substantially egg-shaped contour provided in an egg support which is thereafter placed in a hatching bin with the eggs out of contact with the bin. The bin is then placed in an incubation container or cart. For purposes of incubation the support is lowered to place the eggs in point contact with the bin so that relative movement between bin and support causes rotation of the eggs without disturbing their position within the bin. Controlled humidifying and ventilating equipment is provided for providing stable climatic conditions.
Patent CA-2144383-A1 (CA)
Title: Toy track section
Inventor: WILSON ROY V
IPC: A63H19/30
Filed: 1995-03-10
Abstract: ABSTRACT OF THE DISCLOSURE         A toy track section comprises a body having an upper face,  a pair of spaced,  parallel rail members formed in the upper face, and a plurality of spaced discontinuities formed  in at  least one of  the  rail members,   and  preferably  both.     The  rails and discontinuities are of a size and shape to permit wheels of a toy train to roll and be guided by the rail members while causing a repeating "clacking" sound to be emitted by the wheels rolling on the rail members, in a manner reminiscent of a full-sized, moving train.
Patent CA-2145387-A1 (CA)
Title: High moisture collagen casings
Inventor: ALEXANDER GRAEME Y
IPC: A22C13/00
Filed: 1993-10-01
Abstract: Wet edible collagen casings of high moisture content (e.g. 50 to 90 % by weight) have mechanical properties which allow the casing to be filled with meat or other filling in the wet state. The wet casings are not subjected to a conventional hot air drying step. The casings are produced by extruding an acidic collagen gel, followed by coagulation using ammonia. A cross-linking agent such as glutaraldehyde may be included in the extruded gel or may be used as in a bath to treat the coagulated casing. The cross-linked casing is then treated to remove some of its water content and to reduce its thickness using a brine bath, a chemical dehydrating agent such as carboxymethyl cellulose; or a combination of these treatments. Improved elasticity is imparted by sub-jecting the casing to a heat treatment step under conditions of time and temperature which lead to heat shrinkage of the casing. The wet casing has handling and filling properties which approximate those of natural gut casings.
Patent CA-2145909-A1 (CA)
Inventor: O'HAIR DAN E
IPC: E21B17/10
Filed: 1995-03-30
Abstract: A rod guide with removable vanes provides the capability of using one wear-resistant material for the erodable volume of the rod guide and another, stock material for the body that holds the vanes. When the vanes of the rod guide are expended, they are removed and replaced and the body is reused. In this way, sucker rod segments can be quickly and easily refurbished in the field with significant savings in transport time. High value wear-resistant materials are placed where the wear occurs and the remainder of the rod guide is made of a material that can be used for an extended period of time in the harsh down-hole environment.
Patent CA-2145925-A1 (CA)
Inventor: COOPER THOMAS E
IPC: G06F21/00
Filed: 1995-03-30
Abstract: A method and apparatus is provided for distributing software objects from a producer to a potential user. The software object is reversibly functionally limited, preferably through encryption, and loaded onto a computer-accessible memory media along with the file management program. The computer-accessible memory media is shipped from the producer to the potential user. The file management program is loaded into a user-controlled data processing system, and associated with the operating system for the user-controlled data processing system. The computer-accessible memory media is read with the user-controlled data processing system. The file management program is utilized to restrict access to the software object.
Patent CA-2147111-A1 (CA)
Title: Controller for air conditioner
Inventor: MATUMOTO SATOSHI
IPC: F24F11/00
Filed: 1995-04-13
Abstract: A controller for an air conditioner is provided wherein an operation mode is not unnecessarily changed in accordance with variations in temperature. When room temperature t is in a range of T+3.0 > t ~ T+1.5, and when a timer expires (steps 212, 214), it is determined whether the room temperature has a tendency to fall (step 218). When the room temperature has a tendency to fall, it is predicted that the room temperature will be in an observing region although the operation mode is not changed. For this reason, the current operation mode is kept. On the other hand, when the room temperature does not have a tendency to fall, a cooling mode is set (step 210). Further, when the room temperature t is in a range of T-3.0 < t ~ T-1.5, and when the timer expires (steps 222, 224), it is determined whether the room temperature has a tendency to rise (step 228). When the room temperature has a tendency to rise, it is predicted that the room temperature will be in the observing region although the operation mode is not changed.      For this reason, the current operation mode is kept. On the other hand, when the room temperature does not have a tendency to rise, a heating mode is set (step 230).
Patent CA-2147186-A1 (CA)
Title: Unity trapezoidal wave rms regulator
Inventor: BASTON J GARY
IPC: H02M7/5387
Filed: 1995-04-18
Abstract: An RMS regulation system for power supplies characterized by a digital loop feedback of a quickly sampled peak crest voltage value of a trapezoidal waveform, whereby a microprocessor controls either the timing of, or rate of, the trapezoidal waveform rise/fall time in order to modulate the crest width of succeeding waveform outputs and provide RMS voltage regulation.
Patent CA-2152350-A1 (CA)
Title: Reduction of Hair Growth Employing Sulfhydryl Reactive Compounds
Inventor: SHANDER DOUGLAS
IPC: A61K8/00
Filed: 1993-12-16
Abstract: A method of reducing the rate of mammalian hair growth includes topically applying a composition containing a sulfhydryl reactive compound to the skin.
Patent CA-2157113-A1 (CA)
Inventor: BOUCHEZ JEAN-PIERRE
IPC: G06F19/00
Filed: 1994-12-29
Abstract: The steady state condition of a subject product is projected using transient data which represents monotonic or cyclic property states (110) developed through actual or simulated tests or operations. A first (130) and second (140) property state value corresponding to the transient data for selected times within the test period are identified (150). A first and second rate-of-change values (160) corresponding to the change in the property states at the selected times are then computed. A time constant value (170) is next computed by applying the time interval and the first and the second rate-of-change values (160) to a time constant function. A projected steady state condition value (180) is next computed by applying the second rate-of-change value (160), the second state value (180) and the time constant value (170) to a projected steady state conditions function (180). The projected steady state condition value is compared with a previously computed projected value (200).  The difference between these two steady state condition values is then compared with a threshold value (210) to determine if a satisfactory projection of the steady state condition has been obtained (220).
Patent CA-2158921-A1 (CA)
Title: Method and device for manufacturing light panels, as well as such a light panel
Inventor: KILSDONK ROGER LOUIS HENRI
IPC: B29C39/10
Filed: 1994-03-18
Abstract: There is disclosed a method of manufacturing light panels comprising a plate- or sheet-like carrier having optical fibers therein ending according to acertain pattern.  The optical fibers (4) taken from a fiber supply are positioned in accordance with said pattern by means of a pattern plate (5). The optical fibers (4) lying on the side of the pattern plate (5) remote from the fiber supply (21) are introduced into a mould (1) in order to have them surrounded by a layer of a castable or injectable and quickly setting material (3) for forming the carrier. The fibers (4) are held in the desired position at the upper surface ofthe carrier to be formed within the mould (1) and the fiber ends are deflected in a group out of the mould (1). The fibers (4) exiting from the carrier are then cut near the surface of the carrier within the mould (1) directed to the positioning means (5) after the material has set to an extent that the optical fibers (4) exiting out of the carrier surface directed to the positioning means (5) maintain their orientation substantially normal to said carrier surface. The invention also includes an apparatus to carry out this method.
Patent CA-2160696-A1 (CA)
Inventor: VAHLNE ANDERS
IPC: A61K39/00
Filed: 1994-04-15
Abstract: Novel peptides are disclosed which correspond to epitopes of the HIV-1 gp120 protein. These antigenic peptides induce antibody-dependent cellular cytotoxicity against HIV, and thus are useful in immunization against HIV infection and induction of a heightened immune response to HIV.
Patent CA-2164094-A1 (CA)
Title: Foodstuff container consisting of a tube containing a substance having at least two components
Inventor: ERRASS WERNER
IPC: A23L27/18
Filed: 1995-03-30
Abstract: A foodstuff container consists of a tube containing a substance having at least two different components, wherein the tube is a conventional tube and the components (6, 7) are alternately arranged around the axis of symmetry (8) of the tube along the full length thereof.
Patent CA-2165505-A1 (CA)
Title: Methods for suppressing dust emissions
Inventor: ROE DONALD C
IPC: C08F220/54
Filed: 1995-12-18
Abstract: A method for suppressing the dissemination of fugitive dust parti-cles into the atmosphere by using a cationic copolymer selected from the group consisting of (a) a graft copolymer of the general structure:       wherein E is the repeat unit obtained after polymerization of an .alpha., .beta.ethylenically unsaturated compound, the molar percentage of a:b is from about 95:5 to 5:95, with the proviso that the sum of a and b equals 100%; G comprises the structure:       wherein d is a cationic monomer, R1, R2 and R3 are the same or different and are hydrogen or a lower alkyl group having C1 to C3, F is a salt of an ammonium cation and the molar percentage of c:d is from 95:5 to 5:95 with the proviso that the sum of c and d equals 100%; (b) a block co-polymer of the general structure:       wherein J is a polymeric segment obtained from the polymerization of ethylenically unsaturated hydrophobic monomers initiated by a difunc-tional initiator; R4 and R5 are H or a C1 to C3 alkyl group; K is a salt of an ammonium cation selected from the group consisting of NHR6N+ (R7,8,9)M- or OR6N+ (R7,8,9)M- wherein R6 is a C1 to C4 linear or branched alkylene group and R7, R8 and R9 are selected from the group consisting of hydrogen, C1 to C4 linear or branched alkyl, C5 to C8 cyclo-alkyl, aromatic or alkylaromatic group; and M- is an anion, selected from the group consisting of chloride, bromide, methyl sulfate and hydrogen sulfate; and the molar percentage x:y is from about 0:100 to 95:5, with the proviso that the total of x + y equals 100%; and (c) linear copolymers of acrylamide and dimethylaminoethylacrylate methyl chloride.
Patent CA-2165961-A1 (CA)
Inventor: VOGES ROBERT MARTIN
IPC: A24F40/48
Filed: 1994-06-28
Abstract: A dispenser (Fig. 1, 1) comprises a reservoir (10) of a physiologically active substance and a droplet ejection device (14), for example a bubble jet or piezoelectric device, which is controlled to issue a predetermined number of discrete droplets of the substance from ejection orifices (15) upon actuation. Device (14) may be actuated by a pressure transducer (19) responsive to inhalation and issue the droplets into an airstream (A) which enters at slot (7) and is then inhaled via mouthpiece (5). In other embodiments (Fig. 5) the dispenser is finger actuated and directed by hand for topical application. The number and/or frequency of droplets issued is programmatically controlled by a control circuit (16) whereby average and total dose of the substance are predetermined.
Patent CA-2168273-A1 (CA)
Title: Extrusion apparatus and method with pressure equalization
Inventor: MILEY GARY D
IPC: B29C48/12
Filed: 1996-01-29
Abstract: An extrusion apparatus and method for producing a composite profile strip characterized by an extrusion head having plural flow channels extending to an extrusion die and at least two extruders for feeding respective components at respective different pressures into the flow channels for passage to the extrusion die. The extrusion die has a common die outlet from which the components are discharged to form the composite profile strip, and respective flow restriction devices are disposed in the flow channels between the extruders and the extrusion die. The flow restriction devices are operative to decrease the difference in pressure between the components before being brought together at the extrusion the extrusion die and further to dampen the effect changes in extruder speed has on the profile of the composite profile strip.