baber/WOPTO huggingface dataset:
Patent CA-2082164-C (CA)
Title: Multiaxis controlled motion knee brace with a four bar joint and method for producing same
Inventor: TOWNSEND JEFFREY H
IPC: A61F5/01
Filed: 1992-03-06
Granted: 1998-11-17
Abstract: A knee brace (10) has a pair of femoral and tibial links (12a,12b, 14a,14b) and a four bar joint mechanism (18) by which a lateral side one of the femoral links (12a) is pivotally connected to a lateral side one of the tibial links (14a) and a four bar joint mechanism (20) by which a medial side one of the femoral links (12b) is pivotally connected to a medial side one of the tibial links (14b). Each of the joint mechanisms comprises an inner, padded, pivot plate (23, 25) and an outer pivot plate (29), each end of which is pivotally connected at a single point to a respective one of the femoral and tibial links. Furthermore, the pad on the inner pivot plate  of the medial side joint mechanism carries a spherically capped femoral condyle pad (24) by which the brace, generally, and the joint mechanism, specifically, can be properly positioned relative to the knee of the wearer. The locations of the pivot points (A, B, C, D) for the pivot plates on the links are set in accordance with parameters which are designed a to produce a multiaxis motion of a reference point (P) which will constrain the tibia to slide rearwardly relative to the femur in an itial range of flexion of the knee from a straight leg position and then to rotate relative thereto along an arcuate path. Additionally, the angle between imaginary lines through the pivots of each pivot plate is caused to be greater than a predetermined minimum value which will insure that the joint mechanism has sufficient strength not to break apart in use due to loads which are imposed horizontally across the knee joint.
Patent CA-2090877-C (CA)
Title: Method of converting logs and resultant product
Inventor: SING PETER
IPC: E04C1/00
Filed: 1992-05-14
Granted: 2004-11-09
Abstract: The method of converting logs involves cutting each log longitudinally and diametrically at right angles into equal quarter-log segments, then rearranging the quarter-logs so that the arcuate surfaces of the segments face inwardly toward each other, while their cut flat surfaces are positioned to form a rectangle in cross-section. The segments so positioned may be joined together as such, rigid foam plastic insulation may be introduced into the space remaining between the segments, or support bracing and other insulation may take the place of the rigid foam. The resultant converted logs may be used as beams, joists or bearing-wall members; devices fox aligning, registering and sealing the converted logs together are provided.
Patent CA-2097230-C (CA)
Title: Timing verification by successive approximation
Inventor: ALUR RAJEEV
IPC: G05B19/02
Filed: 1993-05-28
Granted: 1997-03-18
Abstract: Apparatus for developing and verifying systems. The disclosed apparatus employs a computationally-tractable technique for verifying whether a system made up of a set of processes, each of which has at least one delay constraint associated with it, satisfies a given temporal property. The technique deals with the verification as a language inclusion problem, i.e., it represents both the set of processes and the temporal property as automata and determines whether there is a restriction of the set of processes such that the language of the automaton representing the restricted set of processes is included in the language of the automaton representing the temporal property. The technique is computationally tractable because it deals with the problem iteratively: it tests whether a current restriction of the set of processes is included, and if not, it employs a counter-example for the inclusion to either determine that the delay constraints render satisfaction of the given temporal property or to derive a new restriction of the set of processes. Further included in the disclosure are techniques for checking the timing consistency of the counter-example with respect to a delay constraint and techniques for finding the optimal delay constraint.
Patent CA-2098999-C (CA)
Title: 5-sulfonyl-substituted benzotriazole uv-absorbers and stabilized compositions
Inventor: WINTER ROLAND A E
IPC: C07F7/18
Filed: 1992-02-11
Granted: 2002-11-19
Abstract: 2-(2-Hydroxyphenyl)-2H-benzotriazole UV-absorbers substituted at the 5-position of the benzo ring by a sulfoxide or sulfone group exhibited enhanced absorption in the near visible range (over 350 nm) allowing said compounds to be particularly effective in protecting polymer systems which are prone to degradation caused by actinic irradiation with wavelengths over 350 nm.        Such compounds are at the formula A, B or C:   (see formula A, B or C) wherein R1, R2, R3, R5, L, T and n are as defined in the description.
Patent CA-2100356-C (CA)
Title: Methode et appareil servant a produire des bandes metalliques en continu
Inventor: BUCKLEY RICHARD D
IPC: B21C37/04
Filed: 1992-11-09
Granted: 1998-12-15
Abstract: Deux billettes de métal (31) sont introduites dans deux rainures circulaires (44) pratiquées sur une roue (43). Les billettes avancent d'abord jusqu'à un espace en forme d'arête qui les déforme et elles sont ensuite conduites à une matrice (63). La matrice a une ouverture comportant une section transversale annulaire dont la circonférence est discontinue. Le métal de chaque billette se combine dans l'ouverture de la filière et en sort sous la forme d'un tube fendu (34). Le tube est ensuite ouvert et aplati pour former une bande plate (39) lorsqu'on passe le tube fendu sur un élément de formage (38) dont la largeur augmente progressivement.
Patent CA-2100488-C (CA)
Inventor: KLEINE WERNER
IPC: B25D17/08
Filed: 1993-07-14
Granted: 2000-01-04
Abstract: The tool for a tool holder of hand tools used for chiselling and/or percussion drilling has a chucking shank.      This chucking shank is provided with two rotary driving grooves which are located diametrically opposite one another and open axially toward the free end of the chucking shank. Also, the chucking shank has two diametrically opposite, axially closed locking grooves.      In order to increase the total working surface decisive for the transmission of torque, two longitudinal grooves are provided which are likewise arranged diametrically opposite one another and open axially toward the free end of the chucking shank. The length of these longitudinal grooves exceeds the length of the locking grooves. The axes of symmetry of the longitudinal grooves are arranged at an acute angle to the axes of symmetry of the locking grooves.      In addition, the flanks of the longitudinal grooves on the driving side extend in a straight line and tangentially relative to the base of the locking grooves so as to form optimal working surfaces for the transmission of torque.
Patent CA-2104448-C (CA)
Title: Toothbrush employing resiliently buckling arch to indicate excessive brushing pressure
Inventor: DIRKSING ROBERT STANLEY
IPC: A46B5/00
Filed: 1992-01-30
Granted: 1995-08-01
Abstract: A toothbrush (1) employing a force indicator which visually and tactually signals the user that a predetermined brushing force has been exceeded. The force indicator is comprised of a resilient twin beam structure located between the toothbrush han-dle (2) and the toothbrush head (5) which includes a scrubbing or polishing medium, typically bristles (13). The twin beam struc-ture is itself comprised of a back side beam (15) and a face side beam (14). During normal use, the back side beam (15) is subject-ed to compressive stress whereas the face side beam is subjected to tensile stress (14). The at rest configuration of the back side beam permits it to behave as an upwardly convex arch upon initial application of compressive force resulting from a user grip-ping the handle (2) and bringing the bristles (13) or other cleansing or scrubbing medium in contact with the teeth and gums. When a predetermined force is exceeded, the back side beam (15) resiliently buckles and inverts to a downwardly convex arch configuration. In a preferred embodiment, the general planes of the back side (15) and face side beams (14) are nonparallel with a convergent taper from the brush handle (2) in the direction of the brush head (5). The disclosed twin beam structures resist def-lection up to a predetermined force which is determined primarily by their material properties and their precise geometric confi-guration. Attempting to exceed the predetermined force which the toothbrush (1) is capable of transmitting by applying additional manual force to the brush handle (2) results in resilient buckling of the back side beam (15) in the twin beam structure, followed by substantial deflection of the brush head (5) relative to the brush handle (2) without a corresponding increase in the force appli-ed to the teeth and gum tissue via the bristles (13) on the brush head (5).
Patent CA-2115651-C (CA)
Inventor: GALIN MILES A
IPC: A61L33/00
Filed: 1992-08-13
Granted: 2003-07-08
Abstract: A minus power anterior chamber ocular implant for placement in the anterior chamber of a phakic eye having an anatomic lens in situ comprises a negative artificial refracting lens having at least one concave surface, a surface coating which comprises a compatible sulfated polysaccharide medicament coating, such as heparin, and means for positioning the artificial lens in the an-terior chamber of the eye to prevent contact between the implant and the anatomic lens. The implant compensates for refractive errors or creates a specific refraction to assist in visual function and has increased biocompatibility in the anterior chamber of the eye, thereby preventing or mitigating detrimental effects typically associated with the implantation of an uncoated refractive ante-rior chamber implant in the eye. A method of preparing such a minus power anterior chamber ocular implant comprises first ex-posing an uncoated implant to a plasma to generate a plasma-treated implant having a surface containing amines, carboxylic ac-ids, active free radicals or passive free radicals; and thereafter bonding the medicament to the plasma-treated implant surface. A method of treating myopia comprises surgically implanting and anchoring the implant in the phakic eye to compensate for refrac-tive errors.
Patent CA-2120319-C (CA)
Title: Pharmaceutical for the treatment of skin disorders
Inventor: BARTLETT ROBERT RYDER
IPC: A61P17/06
Filed: 1994-03-30
Granted: 2009-01-06
Abstract: A compound of the formula I or II (see formula I) (see formula II) and physiologically tolerable salts of compound of the formula II are suitable for treatment of psoriasis.
Patent CA-2123209-C (CA)
Inventor: GHAHARY AKBAR
IPC: B44F9/04
Filed: 1992-04-01
Granted: 2004-06-22
Abstract: A sprayable granular coating is disclosed which is useful for forming a simulated granite surface having high-impact strength, superior hardness, and an aesthetically-pleasing presentation. The composition includes a gel coat, granules and a filler which are all isopycnic in density. The composition, when combined with a hardener, may be sprayed into a mold and backed with fiberglass, plastic or other suitable resin to form a panel or similar structure, or may be directly sprayed to surfaces to provide a simulated-granite appearance.
Patent CA-2129774-C (CA)
Inventor: CHAKRABORTY AMIYA KUMAR
IPC: G21C9/06
Filed: 1994-08-09
Granted: 2000-04-18
Abstract: A device for passively inerting the gas mixture forming in the reactor containment of a nuclear power plant in an accident situation is proposed, which device is based on the use of chemical substances which react or disintegrate, releasing an inerting gas or gas mixture when a certain temperature of reaction is reached. This device is especially suitable for use in connection with catalytic recombiners for removing hydrogen through oxidatioxi with the oxygen present. The heat resulting from this exothermic process of recombination can be put to use for heating up chemical substances to the required temperature, these having temperatures of reaction that lie above the temperature (approximately 100° C) that develops in the reactor containment in an accident situation.
Patent CA-2130511-C (CA)
Inventor: SATAKE SATORU
IPC: B02B3/04
Filed: 1994-08-19
Granted: 2002-01-22
Abstract: A pearling machine has an abrasive type pearling roll assembly which is formed by stacking a plurality of pear-ling rolls via intervening air blowing spacers. Stirring bars are secured to the outer periphery of the individual pearling rolls. Resistance bars are provided on the inner surface of a vertical polygonal bran removal cylinder.      With a cooperative function of the stirring and resistance bars, grains supplied to a pearling chamber defined by the pearling roll assembly and the bran removal cylinder re-ceive active spinning and revolution action. The grains thus receive uniform cutting action, and thus they are pearled uniformly. The vertical pearling machine permits optimum pearling of grains in dependence on the kind and character of the grains and is suited particularly to the pearling of tempered wheat with outer layer part having been made tough and inner layer part having been made soft.
Patent CA-2132360-C (CA)
Title: Interface between text and voice messaging systems
Inventor: PENZIAS ARNO ALLAN
IPC: H04L12/58
Filed: 1994-09-19
Granted: 1997-12-30
Abstract: A method and apparatus for generating a voice message based on a text message from a text messaging system is disclosed. The voice message may be stored in a voice messaging system or may be directly transmitted to a recipienttelephone number. The text messaging system comprises one or more addressable nodes including a messaging system interface, node, which receives the text message from the text messaging system based on its node address and generates a voice message responsive to the text message. Signals may be generated to access the voice messaging system, and the voice message may be communicated to the voice messaging system for storage. The voice message may comprise speech corresponding to the text of the text message, created, for example, by conventional text-to speech synthesis techniques. The text message may also be communicated to a text message addressee with use of the text messaging system, and the voice message may comprise speech reflecting that a text message has been so communicated.
Patent CA-2133436-C (CA)
Title: Methods for producing eg iii cellulase, xylanase or a mixture thereof using polyethylene glycol
Inventor: LORCH JEFFREY D
IPC: C12N9/24
Filed: 1993-04-05
Granted: 2007-06-12
Abstract: Disclosed are methods for producing substantially pure EG III  cellulase or xylanase, from Trichoderma spp. In particular, the methods of the present invention comprise separation of the EG III cellulase or xylanase component from an aqueous mixture of enzymes by the addition of polyethylene glycol to the aqueous mixture to create a two-phase system and separating the EG III-rich phase. The present invention is also directed in part to methods for preparing substantially pure EG III cellulase component or xylanase component by fractionation or by a combination of the above two methods.
Patent CA-2133982-C (CA)
Inventor: BESMER PETER
IPC: C12N5/0789
Filed: 1993-04-16
Granted: 2008-02-12
Abstract: A pharmaceutical composition which comprises the c-kit ligand (KL) purified by applicants or produced by applicants' recombinant methods in combination with other hematopoietic factors and a pharmaceutically acceptable carrier is provided as well as methods of treating patients which comprise administering to the patient the pharmaceutical composition of this inven-tion. This invention provides combination therapies using c-kit ligand (KL) and a purified c-kit ligand (KL) polypeptide, or a sol-uble fragment thereof and other hematopoietic factors. It also provides methods and compositions for ex-vivo use of KL alone or in combination therapy. A mutated KL antagonist is also described. Such an antagonist may also be a small molecule. Antisense nucleic acids to KL as therapeutics are also described. Lastly, compositions and methods are described that take advantage of the role of KL in germ cells, mast cells and melanocytes.
Patent CA-2144004-C (CA)
Title: Technique for reducing the molecular weight and improving the processability of high cis-1,4-polybutadiene
Inventor: CASTNER KENNETH FLOYD
IPC: C08F4/70
Filed: 1995-03-06
Granted: 2006-03-14
Abstract: Cis-1,4-polybutadiene can be synthesized by polymerizing 1,3-butadiene monomer with a three component nickel catalyst system containing (a) an organonickel compound, (b) an organoaluminum compound, and (c) a fluorine containing compound. However, the molecular weight of the cis-1,4-polybutadiene prepared is typically too high to be utilized as a non-oil extended rubber. This invention is based upon the discovery that para-styrenated diphenylamine acts to reduce the molecular weight and to improve the processability of cis-1,4-polybutadiene prepared with such nickel based catalyst systems. The use of para-styrenated diphenylamine as a modifier in such polymerizations does not change the microstructure of the cis-1,4-polybutadiene produced. Accordingly, the present invention specifically discloses a process for producing cis-1,4-polybutadiene having a reduced molecular weight and improved processability which comprises polymerizing 1,3-butadiene in the presence of (a) an organonickel compound, (b) an organoaluminum compound, (c) a fluorine containing compound, and (d) para-styrenated diphenylamine; wherein the organoaluminum compound and the fluorine containing compound are brought together in the presence of the para-styrenated diphenylamine. Since para-styrenated diphenylamine is an excellent antidegradant, it also provides the rubber synthesized in its presence with antioxidant protection.
Patent CA-2144243-C (CA)
Inventor: OWEN DONALD W
IPC: H01F27/34
Filed: 1991-09-11
Granted: 1996-11-26
Abstract: A motor control system includes a single, multicompart-ment enclosure mounted on a skid. The enclosure contains a transformer circuit and a motor controller circuit intercon-nected so that only external connections to a power source and a load are needed. When the circuits are energized, access to high voltage motor control components and to field replaceable fuses and output selection switches is prevented by a double interlocking mechanism which operates in con-junction with energizing and de-energizing the transformer. The transformer of the transformer circuit includes a ter-tiary winding disposed radially between a primary winding and a secondary winding. The winding filters electrostati-cally coupled transients. A conventional electrostatic shield is also used so that the transformer is doubly shielded to electrostatic transients. The tertiary winding is connected to one or more capacitors to filter magneti-cally coupled transients. A current limiting fuse, a load sensing fuse and a primary make/break switch are connected in electrical series to the primary winding. Methods for energizing or operating a motor utilizing the primary switch and the load sensing fuse are also disclosed.
Patent CA-2145772-C (CA)
Title: Method and device for the production of mineral wool by using mineral wool waste as a recycled starting material
Inventor: FLECKENSTEIN HERMANN
IPC: C03B/
Filed: 1994-07-29
Granted: 2001-11-06
Abstract: The melting tub (1) for producing the molten mass (2) from a mixture (21) of raw materials is associated with an additional melting unit (4) by means of which a recycled molten mass (29) is obtained from mineral wool waste (28) largely corresponding to the molten mass (2) obtained from the mixture (21) of raw materials in quality and composition. The recycled molten mass (29) is supplied to the molten mass (2) in the melting tub (1) through a suitable introduction device (43). The recycling exhaust gas (30) from the additional melting unit (4) is fed to the tub exhaust gas (24), and the mixture of exhaust gas is utilised for pre-heating combustion air and mixture of raw materials (21). Due to dividing "preparation of molten mass" into conventional production of molten mass from the mixture (21) of raw materials in the melting tub (1) and concurrent production of molten mass from mineral wool waste (28) in an additional melting unit (4), molten products and exhaust gas of which are directly supplied to the melting tub (1), it is possible to utilise mineral wool waste (28) as a recycled starting material in a cost-effective manner without affecting the complicated control of process parameters in conventional production of molten mass.
Patent CA-2149719-C (CA)
Title: Corner brace for a tote box construction
Inventor: CLEE MICHAEL
IPC: B65D5/00
Filed: 1995-05-18
Granted: 1998-06-23
Abstract: A corner brace for a tote box assembly, wherein the tote box assembly comprises a box portion foldable from a box blank having a bottom, two side walls, two end walls and four end flaps extending from the side walls. The end walls and end flaps bonded together and have apertures into which are receivable hand holds. Four rails each having a channel and is fitted over a top edge of each said side walls and end walls. Each corner brace comprises an outer panel for extending about a corner, an inner panel integrally extending inwardly from said outer panel presenting a stackable surface and a flap, and a fastener for fastening said corner braces to said side walls and end walls. The improvement comprises said inner panel sized to fit about and enclose an end region of said side rail and an end region of said end rail and said fastening means joins said inner panel to said outer panel below said rails, clamping said rails and walls together.
Patent CA-2151399-C (CA)
Title: A method for training a text to speech system, the resulting apparatus, and method of use thereof
Inventor: HIRSCHBERG JULIA
IPC: G06F3/16
Filed: 1994-10-12
Granted: 2001-02-27
Abstract: A method of training a TTS (104) to assign intonational features, such as intonational phrase boundaries, to input text (110). The method of training involves taking a set of predetermined text (110) and having a human annotate it with intonational feature annotations. The text is passed through the preprocessor (120) and the phrasing module (122) wherein a set of decision nodes is generated by statistically analyzing information based upon the structure of the predetermined text. The statistical representation may then be stored and repeatedly used to generate synthesized speech, through the post processor (124), from new sets of input text without further training.
Patent CA-2153644-C (CA)
Inventor: MOODY JOHN R
IPC: D06H7/18
Filed: 1995-07-11
Granted: 2005-05-17
Abstract: A system of forming a coreless roll paper product in which an elongated coreless paper roll is cut into segments by a saw. Prior to being cut from the elongated coreless paper roll, each roll segment is positioned on a support shaft located on a rotatable turret. The roll segment is severed while being supported by both an elongated mandrel and the support shaft, the blade passing through a space between the mandrel and support shaft. The turret has a number of spaced support shafts projecting therefrom, and rotation of the turret simultaneously brings the support shafts to various locations so that various steps in the operation are performed seriatim and simultaneously.