baber/WOPTO huggingface dataset:
Patent CA-2093210-C (CA)
Title: Powder colorant compositions and process for the preparation thereof
Inventor: KRUTAK JAMES JOHN
IPC: C08J3/14
Filed: 1991-10-28
Granted: 1997-02-04
Abstract: Disclosed are powder colorant compositions in a finely-divided form and processes for the preparation therefor. The colorant compositions are comprised of a semicrystalline polyester, in finely-divided form, having copolymerized therein one or more colorant compounds at levels greater than about 1 weight percent. The process for preparing these compositions involves the dissolution of an amorphous polyester concentrate in a crystallization-inducing solvent (s), followed by crystallization. Such compositions are useful as pigments or colorants where nonextractability of the colorant is important.
Patent CA-2095113-C (CA)
Inventor: CASSIDY STEPHEN ANTHONY
IPC: H04B10/291
Filed: 1991-11-20
Granted: 1998-05-05
Abstract: An optical network comprises an erbium-doped silica-based optical fibre (30) having a D-shaped cross-section. The wave-guide carries information signals at 1.53 µm from a signal source (38) and provides amplification to the information signals when pumped by an optical pump source operating at 0.994 µm (36). Optical signals are tapped from the waveguide (30) by means of evanescent couplers (32 and 34). The waveguide (30) provides amplification to at least partially restore tapping loss to the information signal due to the optical taps. The core of the optical waveguide (30) is chosen to substantially minimise the spot size of signals ata the wavelength of the pump source (36) so as to provide preferential extraction of the information signal in order to leave the pump source substantially undisturbed to be able to pump regions of the amplifying waveguide (30) beyond the optical tap.
Patent CA-2096852-C (CA)
Inventor: LANDINE ROBERT
IPC: B01D21/00
Filed: 1991-01-31
Granted: 1999-08-31
Abstract: On décrit un dispositif de fermentation comprenant une paroi s'étendant de manière périphérique, un couvercle étanche aux gaz s'étendant au-dessus de la surface du dispositif et dont le bord périphérique est fixé à une partie supérieure de la paroi, et une conduite collectrice de gaz s'étendant à l'intérieur de la paroi le long d'au moins une partie du pourtour du dispositif. Ce dispositif peut être utilisé dans des installations destinées au traitement d'eaux de décharge.
Patent CA-2097569-C (CA)
Title: Product and process for heat sealing a paperboard carton having polymer coating on one side only
Inventor: CALVERT BARRY GENE
IPC: B31B50/00
Filed: 1993-06-02
Granted: 1997-03-04
Abstract: Folded paperboard food cartons having a polymer coating only on the interior surface and sales graphics on a substantially unplasticized clay coated exterior surface are heat sealed at contiguous areas of overlapping flaps wherein the polymer coated interior surface is in direct contact with a small portion of the clay coated exterior surface or, where it is desired to secure together two portions of the clay coated exterior surface.  In such heat sealing areas, small and accurately located exterior clay coated carton surface areas are primed with a water based polymer emulsion such as ethylene vinyl acetate that is precisely applied to such areas by a printing press.
Patent CA-2097586-C (CA)
Inventor: WILSON ALAN L
IPC: H04L27/00
Filed: 1991-12-16
Granted: 1995-10-17
Abstract: A receiver (350) compatible with both wide channel constant envelope 4 level FSK FM modulation and narrow channel .pi./4 differential QPSK linear modulation allows compatible interaction between modified constant envelope and non-constant envelope transmitters (300). All Nyquist filtering occurs in the transmitters (300), and none in the receiver (350).
Patent CA-2101205-C (CA)
Title: Shock absorbing disconnect latch for ball bearing slides
Inventor: PARVIN JACKIE D
IPC: A47B88/04
Filed: 1993-07-23
Granted: 2005-02-01
Abstract: A shock absorbing disconnect latch comprises a lever, a wall for limiting travel of a longitudinal channel, and at least one vertical slot in a downwardly sloping body to enable rearward flexing of the disconnect latch for removal of the longitudinal channel. The flexing of the disconnect latch causes the lever to move counterclockwise providing space for the longitudinal channel to be disengaged. The flexing of the disconnect latch permits easy removal of the longitudinal channel, together pith reliable return of the lever. When the longitudinal channel is stopped by the wall of the disconnect latch, the shock energy is absorbed using the slot by deflection of the disconnect latch.
Patent CA-2108298-C (CA)
Title: Shopping cart receiver alarm system
Inventor: MACINTYRE DANIEL CAREY
IPC: G08B13/14
Filed: 1993-10-13
Granted: 2002-01-08
Abstract: A shopping cart receiver alarm system includes an RF transmitter for transmitting an RF signal having at least a minimum signal strength within a boundary that is generally defined by the outermost contours of a store parking lot. A receiver assembly responsive to the RF signal is housed within the handle of a shopping cart. The receiver assembly includes a self-contained power supply, an RF receiver for receiving the RF signal and for providing an output signal indicating a loss of RF signal strength. The receiver assembly further includes a timing circuit and an audible alarm responsive to an alarm signal generated by the timing circuit. The alarm signal controls the audible alarm according to a selectable alarm timing sequence that is initiated by the output signal of the RF receiver.      According to the alarm timing sequence, the timing circuit activates the audible alarm for a first period of time, inactivates the audible alarm for a selectable grace period of time to encourage return of the shopping cart, and, if the shopping cart is not returned, the audible alarm is thereafter continuously activated. The audible alarm is immediately inactivated at any time during the alarm timing sequence if the shopping cart is returned within the boundary.
Patent CA-2114612-C (CA)
Inventor: CARLO LOUIS D
IPC: B60R25/10
Filed: 1994-01-31
Granted: 1998-09-22
Abstract: An anti-theft device for a motor vehicle wherein a personal identification unit is carried by an authorized operator of said motor vehicle and includes means for identifying its location in the vicinity of the motor vehicle. A vehicle control unit mounted onto the motor vehicle, has a first and second condition with means for allowing operation of the motor vehicle when the control unit is in the first condition and means for inhibiting operation of the motor vehicle when said control unit is in the second condition and means for shifting the control unit into the second condition at a time subsequent to removal of the identification device from the vicinity of the motor vehicle.
Patent CA-2115352-C (CA)
Title: Corrugated paperboard production and apparatus therefor
Inventor: MCKINLAY PETER ROBERT
IPC: B31F1/28
Filed: 1992-09-16
Granted: 2002-07-16
Abstract: The invention relates to an im-proved method arid apparatus for produ-cing paper board structures wherein two corrugated mediums are bonded together at their flute tips. End gears (16a, 16b, 15a, 15b) are provided, at least, on the ends of the corrugating rolls (4, 6) which provide tip tip bonding. The end gears may be abutting or non abutting and may be pro-vided on both ends of the corrugating rolls, which assist tip to tip bonding.
Patent CA-2119400-C (CA)
Inventor: GOLDSCHMIDT HANS-GERD
IPC: E05C9/12
Filed: 1994-03-18
Granted: 2004-12-14
Abstract: A locking mechanism for driving a lock bolt comprises a housing. A pinion has an outer circumference and is rotatably mounted in the housing. The pinion has a plurality of teeth arid tooth gaps are disposed between adjacent teeth. A predetermined number of the tooth gaps have an abutment that extends outwardly substantially to the outer circumference of the pinion. A toothed rod is coupled to the lock bolt. The toothed rod is engaged by the pinion.      A spring loaded detent device arrest the rotational movement of the detent in a switching position of the lock bolt.
Patent CA-2121461-C (CA)
Inventor: AUBURN PAMELA R
IPC: C08F2/00
Filed: 1992-10-29
Granted: 2001-08-28
Abstract: A method of controlling the molecular weight distribution of a polyalpha-olefin during polymerization, comprising chang-ing the aluminoxane to chromium ratio of a polymerization catalyst comprising chromium and at least one aluminoxane to there-by adjust the molecular weight distribution.
Patent CA-2129309-C (CA)
Title: Wheelbarrow insert
Inventor: KEOUGH JOHN G
IPC: B62B1/20
Filed: 1994-08-02
Granted: 1998-04-07
Abstract: A wheelbarrow enlargement insert comprising front, back and two side panels for mating insertion into a bucket of the wheelbarrow whereby volumetric capacity of the wheelbarrow is increased.   The insert is made of semi-rigid creaseable sheet material, such as corrugated cardboard or plastic.  Either each of the front and back panels, or each of the two side panels, includes a  crease between side edges of each panel adapted cooperatively to enable selective opening of the insert for the mating insertion and folding of the insert to a substantially flat storage form.
Patent CA-2131510-C (CA)
Title: Carte intelligente pour pluralite de fournisseurs de services et pour l'installation a distance de ces fournisseurs
Inventor: MANDELBAUM RICHARD
IPC: H04W12/06
Filed: 1994-09-06
Granted: 1999-06-29
Abstract: Une carte intelligente qui permet à différents fournisseurs de service de coexister sur la carte intelligente sans que les fournisseurs de service, le propriétaire de la carte intelligente aient accès aux fichiers créés pour, ou par, chacun des fournisseurs de service présents. Le système d'exploitation de la carte intelligente comprend un répertoire racine qui appartient à l'émetteur/propriétaire de la carte intelligente et chaque fournisseur de service est un « utilisateur » qui est installé par l'émetteur/titulaire. Chaque tel utilisateur a un sous-répertoire du répertoire racine et, dans le sous-répertoire, l'utilisateur crée des fichiers et des sous-répertoires comportant des fichiers, selon les besoins de l'utilisateur. Le système d'exploitation empêche tous les utilisateurs de la carte intelligente, y compris l'émetteur/titulaire de la carte intelligente et le détenteur de la carte intelligente, d'accéder à tout fichier qui appartient à un autre utilisateur, lorsque l'utilisateur choisit d'empêcher un tel accès. Ce pouvoir d'exclusion est régi par un mot de passe qui appartient à l'utilisateur et qui ne peut pas être modifié par un autre utilisateur, y compris l'émetteur/propriétaire de la carte intelligente. Facultativement, l'émetteur/propriétaire de la carte intelligente a le pouvoir d'effacer tous les fichiers d'un utilisateur donné. La connexion est établie à l'aide d'un protocole qui authentifie toutes les parties de la connexion. Ainsi, dans une connexion entre la carte intelligente et un utilisateur, la carte intelligente détermine si l'utilisateur peut obtenir l'accès et l'utilisateur détermine si la carte intelligente est une carte intelligente valide. L'authentification du traitement de la carte intelligente peut également être établie.
Patent CA-2131570-C (CA)
Title: Liquid treatment device
Inventor: SUNDQVIST INGEMAR
IPC: B30B9/20
Filed: 1994-09-07
Granted: 2005-03-22
Abstract: A device for liquid treatment and dewatering material suspensions, comprising two cylindric rotary liquid permeable press rolls (10), which are located in a vat (11), which partially encloses the rolls. The rolls (10) between themselves form a nip (14), and a space (12) converging to the nip is formed between the bottom portion (16) of the vat (11) and each roll (10). The bottom portion (16) of the vat (11) is openable.      The sealing between the vat (11) and its bottom portion (16) consists of a shoulder (18) on the vat (11) and extending all about the same, which shoulder co-operates with a bar (19) on the bottom portion (16) and extending all about the same.      The bar (19) is adjustable so as to determine the position of the bottom portion (16) and thereby the size of the converging space (12).
Patent CA-2132046-C (CA)
Title: Ergonomic shovel
Inventor: MITCHELL DAVID
IPC: A01B1/02
Filed: 1994-09-14
Granted: 2004-03-30
Abstract: A shovelling tool has a flexible portion at the base of the handle that helps prevent the risk of injury when shovelling by absorbing the initial shock when digging or by adjusting gradually to a different load when shovelling.      This tool, which is preferably telescopic, is particularly useful for removing snow and ice.
Patent CA-2142737-C (CA)
Title: Method and apparatus for lubricating pipe joints
Inventor: MCCORMICK GARY J
IPC: F16N21/00
Filed: 1995-02-15
Granted: 1997-11-25
Abstract: A method and apparatus for lubricating pipe joints is described which includes a generally cylindrical plug adapted to fit into a female box connection of a length of pipe.  The plug has a first end, a second end, a circumferential exterior surface and a blind interior bore which extends through the first end and terminates short of the  second end.   The exterior surface has a network of channels.  A plurality of lubrication passages extend through the plug from the blind interior bore to the network of channels on the exterior surface.  When lubrication compounds are pumped under pressure into the blind interior bore, the lubrication compounds pass through the lubrication passages into the network of channels on the exterior surface of the plug thereby thoroughly coating the female box connection with lubricant.  An end cap covers the first end of the plug.   The end cap has a flange that extends beyond the circumferential exterior surface.   That portion of the flange which extends beyond the circumferential exterior surface has a lubricating collecting peripheral ring groove.  At least one of the first end of the plug and the end cap has a plurality of radially extending channels.   When lubrication compounds are pumped under pressure into the blind interior bore, the lubrication compounds pass through the radially extending channels into the peripheral ring groove of the end cap thereby thoroughly coating an annular shoulder of the female box connection with lubricant.
Patent CA-2146834-C (CA)
Inventor: GRISLEY KENNETH M
IPC: B27F1/00
Filed: 1995-04-11
Granted: 2000-07-18
Abstract: A template for use with a jig having a workpiece positioning member. The template supports and guides a cutting tool used to cut joint members in two workpieces and comprises a support surface and at least one set of guides formed on the support surface for guiding the cutting tool. The support surface is movable with respect to the workpiece positioning member a pre-determined distance between a first position to cut joint members in one workpiece and a second position to cut complementary joint members in another workpiece. This arrangement permits accurate routing of rounded or square finger joints or other types of uniform, spaced joints as determined by the template being used. Moving the template with respect to fixed workpiece positioning members means that no adjustment of the positioning members or workpieces is necessary between cutting of complementary joint members on separate workpieces which tends to result in more accurate cutting of the joints.
Patent CA-2147912-C (CA)
Title: Accelerated synchronization process for a radiocommunication network mobile terminal
Inventor: JOUIN CHRISTOPHE
IPC: H04W92/10
Filed: 1995-04-26
Granted: 1998-12-29
Abstract: Procedure for synchronizing a mobile terminal with a cellular telecommunications network in which synchronization of the mobile terminal is effected only after the best cell is identified through a series of measures. The procedure consists of: a request to synchronize the mobile terminal for the purpose of communicating with a control station (10), confirmation that a series of measures have been completed (12), confirmation that the time elapsed since the previous series of measures were completed is less than a set validity time interval (14), and synchronization of the mobile terminal with the control station (16).
Patent CA-2148070-C (CA)
Inventor: JULNES JON N
IPC: E01F9/04
Filed: 1995-04-27
Granted: 2005-11-01
Abstract: The present invention is characterized as methods for fixedly depositing solidified protrusions on to a surface, and products thereof so as to create a detectible warning whereby the tactile and visual characteristics of the detectible warnings contrast with the tactile and visual characteristics of surrounding surfaces. To create such a detectible warning, a mask in the form of a resilient mat is perforated with a plurality of apertures so as to form a repeating pattern. Each aperture acts as a mold of a protrusion having predetermined dimensions. To enhance the functionality of the protrusions, each protrusion has a generally inclined peripheral surface and rounded peripheral surface to substrate and peripheral surface to upper surface interfaces. The mat is placed in contact with the substrate on which a detectible warning is desired. A blend is created from a curable viscous substance and one or more of the following: reinforcing elements, reflective elements, pigments, or abrasives. The blend is then worked into the apertures whereupon it begins to solidify. After the blend becomes semi-stable, the mat is removed and the protrusions are allowed to fully cure.
Patent CA-2148098-C (CA)
Inventor: SCIALLA STEFANO
IPC: C11D3/39
Filed: 1993-10-29
Granted: 2000-08-01
Abstract: Cleaning compositions are disclosed which are pseudoplastic and thixotropic liquids. Such suitable compositions can be prepared in the form of aqueous emulsions of nonionic surfactants. A process for washing fabrics and surfaces is also disclosed as well as a package comprising said compositions in a squeezable container equipped with a nozzle.
Patent CA-2151389-C (CA)
Inventor: BATTOCCHIO CLAUDIO
IPC: B60C23/02
Filed: 1993-12-07
Granted: 2004-03-16
Abstract: A tyre pressure adjustment method for a vehicle provided with a central inflating apparatus for connecting each tyre to a source of compressed air via a channel, a swivel joint and a differential shut-off valve, and cutting off the supply of compressed air after a very short time interval, whereafter these steps are repeated iteratively. A set pressure value corresponds to a value of said very short time interval.
Patent CA-2153588-C (CA)
Inventor: GEELHOED JACK
IPC: E02F9/20
Filed: 1994-11-07
Granted: 2005-08-09
Abstract: The present invention provides for excavating apparatus (10) which can comprise a vehicle (12) having excavating means in the form of a pivotal cutting boom (16) pivotably mounted by way of mounting means (20) on the vehicle (12). The cutting boom (16) has an endless cutting chain (24) drivingly mounted thereon and the boom (16) is pivoted relative to the vehic le (12) so as to vary the depth to which a trench (36) is current. In seeking t o cut a trench (36) having a level floor irrespective of any undulations in th e surface (14) upon which the vehicle (12) travels, a sensor (30) is associate d with the apparatus (10) and is arranged to receive a reference signal (34). Any variation in the location at which the reference signal (34) impinges on the sensor (30), for instance due to the passage of the vehicle (12) up an incline, serves to determine the angle at which the cutting boom (16) extend s from the vehicle (12) and so vary the depth to which the trench (36) is cut. In order to achieve an accurate relationship between the movement of the position at which the signal (34) impinges on the sensor (30), and the corresponding movement of the boom (16), the sensor (30) is mounted by way o f mounting means (32, 38) in such a way that it can move relative to the cutti ng boom (16) along an arcuatepath defined by arcuate guide means (40) having a centre of curvature that corresponds to the axis of rotation of an idler (22 ) about which the cutting chain (24) travels.
Patent CA-2155827-C (CA)
Inventor: BAUM BURTON M
IPC: C11D3/37
Filed: 1994-03-08
Granted: 2005-12-06
Abstract: Ethylene oxide/propylene oxide block copolymers having high cloud points, when compared to conventional rinse agent materials, have surprisingly been found to be useful in the manufacture of effective low foaming rinse aids. The rinse aids are prepared by combining the high cloud point copolymer with an effective defoamer and a water miscible diluent. The rinse aid composition can achieve adequate rinsing at common aqueous rinse temperatures at a concentration of the block copolymer in water less than 500 parts of the block copolymer per million parts of water. A liquid rinse agent concentrate can take the form of a low viscosity liquid, a thickened pourable or semi-pourable aqeous liquids. A solid rinse agent concentrate can be a cast solid material packaged within a soluble or disposable wrapper or capsule or other water soluble package. The rinse aids can be dispersed in a variety of ways by dilution with water to an aqueous final rinse composition. The uniqueness of the invention relates to the fact that all components are not expected to be active as sheeting agents and are approved as food additives thereby eliminating any health concerns associated with residual deposits of the composition on cleaned ware.
Patent CA-2162518-C (CA)
Title: Polyether polyamino methylene phosphonates for high ph scale control
Inventor: IMAN CRAIG D
IPC: C02F5/14
Filed: 1995-11-09
Granted: 2008-04-22
Abstract: A method for inhibiting the formation, deposition, and adherency of scale-forming salts, including calcium sulfite, in process waters. The method is particularly suited for use in pulp mill lime kiln flue gas scrubber systems and multi-effect evaporators. Additionally, the method is effective at high pH and high calcium sulfite saturation levels.
Patent CA-2163403-C (CA)
Title: Process for producing an optical lens made of a synthetic polymerizable material and related equipment
Inventor: MAGNE JEAN-FRANCOIS
IPC: B29C33/20
Filed: 1995-11-21
Granted: 2006-11-14
Abstract: Apparatus has a closing element (12) with two jaws (12',12) whose internal surfaces are covered with synthetic material and grip two mold shells. The jaws are movable relative to each other. Each jaw may be made of metal and has a semi-cylindrical internal surface for gripping the edges of the mold shells. The jaws are mounted in a frame (19). The upper or lower jaw is movable vertically and the other jaw is fixed. Double acting jacks (29) move the jaw.
Patent CA-2163866-C (CA)
Inventor: OU JOHN DI-YI
IPC: C10G29/04
Filed: 1994-05-27
Granted: 2005-03-01
Abstract: Sulfur and mercaptans in hydrocarbon streams comprising reactive unsaturates are removed by contacting the hydrocarbon stream at mild temperatures with a hydrogen reduced metal oxide, such as copper, zinc and/or aluminum oxide, without the undesirable byproduct reaction of oligomerization or polymerization of the reactive unsaturates .
Patent CA-2164609-C (CA)
Inventor: DOMEL DOUGLAS R
IPC: E06B9/307
Filed: 1994-06-06
Granted: 2003-05-27
Abstract: Cet actionneur de store à lames étroites comporte un moteur, et un carter (30) renfermant d'une part ce moteur (60) et d'autre part une alimentation en courant continu par piles (40). Le rotor du moteur, solidaire de la tringle (22) du store à lames étroites, commande la rotation de la tringle, ce qui a pour effet d'ouvrir ou de fermer les lamelles du store. Dans une autre réalisation, le rotor du moteur, solidaire de la tige d'inclinaison, actionne cette dernière, ce qui a pour effet d'ouvrir ou de fermer les lamelles du store. Un générateur de signal de commande (52) produit un signal de commande permettant de fermer le circuit entre l'alimentation électrique et le moteur. Le signal de commande peut être généré en réaction à une quantité prédéterminée d'éclairage par la lumière naturelle ou en réaction à un signal de télécommande envoyé par l'utilisateur.