baber/WOPTO huggingface dataset:
Patent CA-2164812-A1 (CA)
Inventor: LITCHHOLT JOHN JOSEPH
IPC: C09J7/02
Filed: 1994-06-08
Abstract: An elastomeric hot-melt adhesive foam is disclosed. The adhesive foam preferably comprises an elastomeric hot-melt adhesive material formed from: (a) about 15 % to about 60 %, by weight of the adhesive material, of an A-B-A block copolymer, in which the A block is derived from styrene and the B block is derived from butadiene or isoprene; (b) about 30 % to about 70 %, by weight of the adhesive material of an aromatic modified hydrocarbon resin which associates with both the B block and A blocks of the A-B-A block copolymer, and (c) 0 to about 30 %, by weight of the adhesive material, of a processing oil. The proportions of the components (a), (b), and (c) are selected such that the elastomeric, hot-melt adhesive material has a viscosity of less than about 200,000 centipoise at 325 °F and an elastomeric retention value of at least 75 %. The adhesive material is preferably pressure-sensitive so as to allow lamination of the solidified foam comprising the adhesive material with components of absorbent articles without the need for external bonding agents. Also disclosed is a method of making the elastomeric adhesive foam and of elasticizing structures and absorbent articles with the foam. The adhesive foam and structures incorporating same are particularly useful in disposable absorbent articles such as diapers, training pants, incontinent devices, and the like.
Patent CA-2167144-A1 (CA)
Inventor: COTHERN TERRY D
IPC: E06C7/50
Filed: 1996-01-12
Abstract: A safety device adapted for removable attachment to a selected one of the rungs of a ladder for securing the ladder to a structure against which it operatively positioned is disclosed. The device features a rigid hollow body which surrounds the selected rung, a pair of flexible straps secured to opposite end portions of the rigid body for being adjustably connected to a portion of the structure, and a flexible sheet or cover connected on one edge portion thereof to one side of the rigid body so that the sheet is disposed between the flexible strap connections. A free edge portion of the sheet opposite the one edge which is connected to the one side of the body is removably connectable to an opposite side of the body so that the sheet can confine the straps between itself and an underside of the body when the straps are not in use to secure the ladder to the structure.
Patent CA-2167582-A1 (CA)
Title: Process for the preparation of n-(4-hydroxyphenyl)- retinamide
Inventor: MARYANOFF CYNTHIA A
IPC: C07B/
Filed: 1994-05-18
Abstract: This invention is directed to an efficient, mild, high yield process for the large scale synthesis of N-(4-hydroxyphenyl)-retinamide comprising the preferred steps of reacting retinoic acid with dimethylchloroformamidinium chloride to form retinoyl chloride which in turn is reacted with bis-(N, O)- trimethylsilyl-p-aminophenol to eventually form N-(4-hydroxyphenyl)-retinamide and to the novel use of bis-(N, O)-trimethylsilyl-p-aminophenol to eventually form a hydroxyphenylamide, particularly N-(4-hydroxyphenyl)-retinamide and methods of recrystallizing N-(4-hydroxyphenyl)-retinamide to obtain the stable "A" polymorph thereof.
Patent CA-2170875-A1 (CA)
Title: Interactive laser welding at elevated temperatures of superalloy articles
Inventor: GOODWATER FRANK
IPC: B23K26/12
Filed: 1994-08-31
Abstract: A process is provided for laser welding a superalloy article (20) by pre-heating the entire weld area and region adjacent to the weld area of the article to a ductile temperature within the range of 1400-2100 degrees F with an induction heat coil (14) and maintaining such tem-perature during welding and solidification of the weld; and welding the preheated ar-ticle using a laser (11) with a powder al-loy feed (12), with a control system which controls the laser powder feed (12) and a motion system on which the article is fix-tured, wherein the control system includes a vision system which digitizes the weld area of the article (20) providing a path for the laser to follow.
Patent CA-2171239-A1 (CA)
Inventor: SHERRY HOWARD W
IPC: E06B3/663
Filed: 1996-03-07
Abstract: A plastic molding that is secured between a window  frame  and  a  window.  The  molding  includes  an elongated tubular member with a plurality of sides. An adhesive strip is secured on two sides of the molding. A backing releasably covers each of the adhesive strips. Each backing includes a grippable section for facilitating the removal of the backing from the adhesive strip.
Patent CA-2171817-A1 (CA)
Title: Methods and apparatus for conspiracy among objects
Inventor: AAHLAD YETURU
IPC: G06F9/44
Filed: 1996-03-14
Abstract: A number of methods and apparatus are disclosed for providing a service in a distributed object operating environment. According to some embodiments of the present invention, methods and apparatus for providing a conspiracy among objects in a object operating environment are disclosed. In particular, conspiracies within a distributed object operating environment are contemplated. In general, the present invention teaches mechanisms by which a collection of objects can form a conspiracy wherein objects can both communicate behind the object interfaces and share all resources. In some embodiments, the collection of objects work together to provide a service to clients. According to one embodiment, the objects which are members of the conspiracy may be distributed objects located in separate processes. In some embodiments, objects which are members of the conspiracy are able to perform interactions with one another behind the interface (i.e. without having to communicate through the interface) and also share persistent state. Three specific embodiments of the present invention are described, these being (1) a shared servant conspiracy model, (2) a shared object conspiracy model, and (3) a hybrid object conspiracy model. Each of these embodiments incorporates the conspiracy concept of the present invention yet they each have particular advantages which will be apparent upon reading the detailed description of the figures.
Patent CA-2173968-A1 (CA)
Title: Recoil reducer wad for shotgun ammunition
Inventor: CHETCUTI FRANCIS
IPC: F42B7/08
Filed: 1994-10-12
Abstract: ammunition cartridges are disclosed comprising means for reducing recoil fed to a weapon on discharge of the cartridge. The recoil reducing means comprises non-supportive material between a propellant charge and an end plate of the cartridge in which energy can be absorbed. In a preferred embodiment, the recoil reducing means may comprise one or more toric, air-filled bodies of resilient material.
Patent CA-2174757-A1 (CA)
Inventor: DAVIS STEPHEN J
IPC: A63B60/00
Filed: 1995-08-22
Abstract: A tennis racquet has an overall length greater than 28 inches, preferably between 29 and 32 inches, an egg shape strung surface having a length of at least 14 inches, and a strung surface area greater than 95 square inches. The frame is of widebody construction and formed of a composite material so as to have a minimum weight per unit length. While the overall length is increased, the strung weight of the racquet does not exceed 300 grams, and the mass moment of inertia about the butt does not exceed 56 g-m2. The foregoing racquet produces a number of playing advantages, while maintaining a conventional mass moment of inertia about the handle and thus retain good maneuverability.
Patent CA-2175259-A1 (CA)
Title: Self-sealing flexible plastic valve with curled inlet
Inventor: GARCIA ARTURO VERDUZCO
IPC: A63H27/10
Filed: 1996-04-29
Abstract: The present invention relates to a self-sealing flexible plastic valve for a non-latex balloon, to a balloon incorporating such a valve, to a method of manufacturing such a valve, and to a method of manufacturing a balloon incorporating such a valve. The valve is made from two flexible plastic strips, bonded together along the side edges to define a valve passageway or tube, and having an open inlet end and an open outlet end. The inlet end of one or both valve strips flares or otherwise curls outwardly to facilitate opening of the valve to insert a gas supply mechanism to inflate the balloon.
Patent CA-2179097-A1 (CA)
Title: Copper Strip or Sheet with a Brown Cover Layer and Methods for Its Production
Inventor: TRIQUET CHRISTIAN
IPC: C23C8/10
Filed: 1996-06-13
Abstract: A copper strip or sheet having a red-brown to dark brown cover layer.  The cover layer includes a first layer of Cu2O which adheres to the base metal, with a thickness in the range of 0.05 to 5 µm, preferably in the range of 0.1 to 1 µm, and a second layer of CuO arranged on top of the first layer,  with  a  thickness  between 1 and 100 nm, preferably with a thickness between 10 and 50 nm. The cover layer is applied by heat treating the copper base to form a Cu2O layer, followed by a second heat treatment to form a CuO layer.  Alternatively, the cover layer is applied by heat treating the copper base in an oxygen containing atmosphere followed by treatment with an aqueous solution of a salt which produces an alkali reaction.  The resulting copper strip or sheet of the invention is well suited for use in the construction sector.
Patent CA-2180217-A1 (CA)
Title: Flexible Draw Latch
Inventor: ANTONUCCI JEFFERY L
IPC: E05C19/14
Filed: 1996-06-28
Abstract: A flexible over-center draw latch is disclosed which is adapted for securing together two closure members. The latch comprises a keeper mounted on the one closure member and a latch assembly mounted on the other closure member. The latch assembly includes a base which is adapted to be mounted on the second closure member, a substantially elastic latch body pivotally connected to the base and a lever which is pivotally connected to the latch body.    As the latch is fastened, the lever engages the keeper to secure the panels together. The substantially elastic body member becomes elongated along its longitudinal axis as the latch is fastened. The loads which are produced by the latch body as it is elongated are distributed over the latch which ensures the connection of the components. The latch assembly also provides reinforced connection between the latch body with the base and the lever. The latch also provides a more secured fastened position due to engagement of the lever and the keeper.
Patent CA-2180789-A1 (CA)
Inventor: MCNELIS THOMAS C
IPC: A61F13/20
Filed: 1996-07-09
Abstract: There is provided a method for post forming an assembled tampon assembly into a curved tampon assembly. Before employing this method, the tampon assembly is completely formed using existing manufacturing methods into a typical straight axial oriented tampon assembly. The tampon assembly is then heated to permit flexing and reorientation of the axis of one or more portions of the tampon assembly. Next, the heated tampon assembly is positioned in a mold cavity of a cold forming mold. The inner surface of one or more portions of the mold cavity has a desired arcuate shape or axial orientation in order to obtain a desired predetermined radius of curvature. Thereafter, the tampon assembly is held in the mold until the various components of the tampon assembly cool down. Finally, the cooled tampon assembly is removed from the mold and is ready to be packaged for distribution.
Patent CA-2183467-A1 (CA)
Title: A method of producing formed articles of a fiber reinforced, hydraulically setting material
Inventor: FISCHER HANS
IPC: C04B18/28
Filed: 1996-08-15
Abstract: At the method of producing formed articles of a fiber reinforced, hydraulically setting material the organic fibers are mineralized by aluminum sulfate and silica, the mixture processed with excess water to multilayered products, the laminates arrived therewith are then set in two steps and finally the formed articles produced treated by CO2 for a pre carbonization.
Patent CA-2185015-A1 (CA)
Title: Novel silyl compounds and their use
Inventor: GUTTERER BEATE
IPC: C07J71/00
Filed: 1995-03-07
Abstract: The invention describes a process for the epimer enrichment of compounds of formula (I) by silylation, fractionated crystallization and acid hydrolysis.
Patent CA-2185888-A1 (CA)
Title: Decking clip
Inventor: SACHS RICHARD JAMES
IPC: E04B5/12
Filed: 1995-03-14
Abstract: A fastener for timber decking, fences, pallets and the like comprises a joist attachment plate (11), with one or more fastening apertures (12) therein, one or more spacing flanges (13) locatable between joists (20) and planks (30), a plank spacer (14) extending between adjacent planks (30) and axially aligned plank engaging teeth (17, 18) extending from opposed sides of the plank spacer (14) to engage respective side surfaces of adjacent planks (30).
Patent CA-2186627-A1 (CA)
Title: Procede et appareil pour empecher un depassement de capacite positif ou negatif dans un tampon de codeur, d'un systeme de compression video
Inventor: AUYEUNG CHEUNG
IPC: H04N21/234
Filed: 1995-12-14
Abstract: La présente invention concerne un procédé et un appareil pour empêcher un dépassement de capacité positif ou négatif dans un tampon de codeur d'un système de compression vidéo. Un tampon virtuel est créé dans un dispositif de commande de débit pour modéliser le remplissage du tampon du codeur (102). Une séquence de bits est générée par un codeur (104). Le codeur est commandé par le dispositif de commande de débit pour empêcher un dépassement de capacité positif ou négatif du tampon du décodeur. Ensuite, la séquence de bits est reçue par le tampon du codeur pour produire un train binaire (106). Le train binaire correspond à un débit binaire instantané dans un canal. Le train binaire est transmis du tampon du codeur à un tampon de décodeur après un certain délai (108). Le délai est commandé par une commande de débit pour synchroniser un remplissage du tampon du codeur avec un remplissage du tampon virtuel (110). La synchronisation empêche un dépassement de capacité positif ou négatif du tampon du codeur.
Patent CA-2190903-A1 (CA)
Title: Catheter guidable by means of flow
Inventor: MOUS FRANS
IPC: A61M25/01
Filed: 1996-11-21
Abstract: The invention relates to a catheter comprising a tube- like basic body with a proximal and a distal end, a connecting member arranged to the proximal end, and a tube-like end-section at the distal end which is pliable to such an extent, that it does not retain its shape. As a result this tube-like end-section is guided and carried along by the surrounding flow, in particular, when the catheter has been introduced into the vascular system of a patient, by the flow of the surrounding blood. Suitable materials of which to make the pliable end- section are for instance LDPE or PVC plasticized with PUR with a coating of PTFE. The end-section may comprise a marking element and/or filling material as a result of which this end-section becomes visible when using X-rays and/or under NMR conditions.
Patent CA-2191265-A1 (CA)
Title: Joint prosthesis augmentation system
Inventor: MATTHEWS FRANK D
IPC: A61B17/58
Filed: 1996-11-26
Abstract: An augmentation system for an implantable bone prosthesis, such as a femoral component of a knee joint prosthesis, includes an augmenting block having an aperture disposed therein. A collet having an expandable distal end, extending beyond one surface of the augmenting block, is positioned within the aperture. The proximal end of the collet includes a cavity that receives an expansion pin that is adapted to communicate with the collet to expand the collet. The distal end of the collet is adapted to fit within a mounting cavity of a joint prosthesis. With the augmenting block placed on the appropriate surface of the joint prosthesis, the distal end of the collet is positioned within the mounting cavity. Advancement of the expansion pin causes the distal end of the collet to expand, thus frictionally and/or mechanically engaging the interior walls of the mounting cavity to firmly secure the augmenting system to the prosthesis. The expansion pin can include threads which mate with corresponding threads within the cavity of the collet.  Alternatively, the pin and collet cavity can include ratchet and pawl-like surface features.
Patent CA-2191277-A1 (CA)
Title: Method and apparatus for automatic redialing
Inventor: XU KENT
IPC: H04M1/27485
Filed: 1996-11-26
Abstract: An apparatus and a method for the automatic redialing by storing the dialed telephone numbers and the time sequence of the dialed numbers into RAM to result in successful redialing. The automatic redialing apparatus comprises; a timer, a ROM, a microprocessor, a RAM, and a telephone interface which consists of a dial keyboard, a automatic redial key, and a telephone receiver.
Patent CA-2191370-A1 (CA)
Title: Hand held stent crimping device
Inventor: COTTONE ROBERT J JR
IPC: A61F2/06
Filed: 1996-11-27
Abstract: A stent loading device is provided for loading a stent on a catheter of the type used in percutaneous transluminal angioplasty (PTA) or percutaneous transluminal coronary angioplasty (PTCA) procedures. The device has an end unit for holding a stent, a collet having a plurality of radially compressible fingers fitted to said end unit, a main body having a plurality of finger-like extensions whose distal ends can be fitted into openings in said base unit, a proximal extension for receiving a cap with compressible washer therein fitted to said main body proximal extension, a rotatable sleeve with collet driver fitted about said collet and main body finger-like extensions and a guide wire embedded in end unit and longitudinally extending through said device to either terminate at the proximal end of said cap or extend a distance from the proximal end of said cap. The stent loading device serves as a stent delivery tool within which a catheter is inserted, after which the stent is crimped onto the catheter balloon. The stent loading device is disposable and well-suited for one-time use.
Patent CA-2196522-A1 (CA)
Title: Treatment of oil, water and sand mixtures
Inventor: SAIK LARRY
IPC: B01D21/00
Filed: 1997-01-31
Abstract: The invention comprises a method and apparatus for treating oil, water and sand mixtures to separate the components. The apparatus comprises an arrangement of four sequential treatment cells, each comprising an agitation chamber including a rotating paddle and agitation baffles and a settlement chamber. The mixture is agitated in the first agitation chamber and transferred to the first settlement chamber where the sand settles to the bottom. Means are provided for transferring sand from each settlement chamber to the agitation chamber of the next cell. The transfer means may comprise pressurized water jets which dislodge the sand allowing it to fall through an opening in the bottom of the settlement chamber and into the next agitation chamber. The agitation and settlement steps are repeated in each cell. There are four transfer tanks associated with each cell where the oil and water drawn from the settlement chamber are separated. The treated sand is washed with fresh water in the fourth cell and collected and dried by a basket centrifuge. Means are also provided to recirculate the water, which may include an added surfactant and/or a demulsifier, from each transfer tank backward through the treatment cells.
Patent CA-2197393-A1 (CA)
Inventor: GLUZMAN YAKOV
IPC: C07D251/26
Filed: 1997-02-12
Abstract: This invention provides triazine ring containing anionic compounds, pharmaceutical compositions containing these compounds and methods utilizing these compounds for treating viral infections, particularly infections by respiratory syncitial virus, the compounds having the general structure:     (see fig. I) and the pharmaceutically acceptable salt thereof.
Patent CA-2198232-A1 (CA)
Title: Container and closure with in-turned seam
Inventor: HEKAL IHAB
IPC: B29L22/00
Filed: 1995-08-23
Abstract: A metal can (10, 50, 80, 110, 130) is closed by a specially prepared end closure (18, 64, 88, 120, 140). The open end (20) of the container is outwardly folded to define a supporting ledge and a seaming flange for the end closure. The seaming flange is to be folded or rolled inwardly for defining a seaming flange. The end closure is constructed with a frame member (26, 66, 90, 122, 142) defining a dispensing opening and having an end panel (28, 78, 92, 124, 144) which may be peelably removed to dispense the product from the container. Heat may be applied to the seam during the formation thereof or during a subsequent process step.
Patent CA-2199735-A1 (CA)
Title: Aluminium-immersed assembly for aluminium production cells
Inventor: DE NORA VITTORIO
IPC: C25C3/08
Filed: 1995-08-30
Abstract: A cell for the production of aluminium by the electrolysis of a molten electrolyte, in particular the electrolysis of alumina dissolved in a molten fluoride-based electrolyte such as cryolite, comprises anodes immersed in the molten electrolyte above a cell bottom whereon molten product aluminium is collected in a pool containing bodies of aluminium-resistant material. Under the anodes are corresponding grids (10) made of side-by-side upright or inclined walls (11, 12) of aluminium-resistant material whose bottom ends stand on a ceramic-coated carbon cell bottom (30) covered by the pool (32) of molten aluminium. The bottom ends of the grid walls form a base which is large compared to the height of the walls. Each grid (10) stands on the cell bottom in stable manner durinthe operation of the cell and is easily removable from the cell and insertable in the cell. Each grid (10) has generally vertical through-openings (13) dimensioned to allow the molten cell content to occupy the inside of the through-openings.     These vertical through-openings (13) are in communication with the molten aluminium in the pool or layer (32) so that the molten aluminium occupies at least a part of the height of the openings (13). These grids reduce movements in the aluminium pool and their top parts may act as a drained cathode.
Patent CA-2200419-A1 (CA)
Title: Method for year-round utilization of pollinating insects such as bumble bees and constant temperature box for achieving this
Inventor: OTOMO HIROTAKA
IPC: A01H1/02
Filed: 1997-03-19
Abstract: The objects of the present invention are to achieve year-round utilization of pollinating insects such as bumble bees and to provide a constant temperature box to be employed for this purpose. In order to achieve the objects, the temperature inside the nest box for housing pollinating insects such as bumble bees is maintained within an optimal habitat environment temperature range throughout the year. In the constant temperature box for maintaining the temperature within the optimal habitat environment temperature range, the temperature in the space where the nest box for housing pollinating insects such as bumble bees is placed is maintained within the optimal habitat environment temperature range for pollinating insects such as bumble bees through a means for temperature control. In addition, the constant temperature box is provided with a means for access to allow the pollinating insects in the nest box to come and go between the nest box and the outside.
Patent CA-2203013-A1 (CA)
Title: Stud welding device
Inventor: MAUER DIETER
IPC: B23K9/20
Filed: 1995-10-18
Abstract: Stud welding device with an axially displaceable adjusting element (3, 17) for displacement from a front position into a rear position and back, in which a magnetic field and a coil (15) interact in such a way that, when the coil (15) is connected to a controllable current source (41) an axial force is produced in order to displace the adjusting element (3, 17), the movement of which is transmitted to a stud holder (2), characterized in that the coil (15) is rigidly arranged on a hollow body (14) which is connected to the adjusting element (3, 17) and is arranged axially movably in an air gap (13) between a magnetizable core (8) and a magnetizable sheath (10), the magnetic field being conveyed via at least one yoke (9) connecting the core (8) and the sheath (10) while passing radially through the coil (15), the coil exerting on the adjusting element (3, 17) an axial force acting only in one direction as a function of the direction of current during current control.