baber/WOPTO huggingface dataset:
Patent CA-1290529-C (CA)
Inventor: PREVOTAT BERNARD
IPC: B29C48/09
Filed: 1986-12-04
Granted: 1991-10-15
Abstract: A central body portion has first, second and third concentric cylinders of successively increasing diameter encircling the central body portion and each other in spaced relationship to form three concentric annular spaces for receiving molten material. Only one end of each of the first, second and third cylinders and the body portion are rigidly attached to each other so as to maintain the rigid spaced relationship. A mandrel is attached to the outer end of the central body portion and a die is attached to the outer end of the outer most concentric cylinder in spaced relationship to the mandrel to shape the molten material into a pipe having a multi-layered wall.
Patent CA-1281653-C (CA)
Title: Opthlamic use of quinolone and napththyridine antibiotics
Inventor: MICH THOMAS F
IPC: A61P31/04
Filed: 1987-01-05
Granted: 1991-03-19
Abstract: ABSTRACT      Certain quinolone and naphthyridine antibiotics are useful for treating ocular infections by topical administration.
Patent CA-1290988-C (CA)
Title: Method of combustion for fluidized bed incinerators
Inventor: NARISOKO MINORU
IPC: F23G5/027
Filed: 1987-02-04
Granted: 1991-10-22
Abstract: ABSTRACT OF THE DISCLOSURE         A method of controlling the combustion in the fluidized bed for fluidized bed incinerators for disposing of refuse such as municipal wastes is disclosed.  According to this invention method, a fluidized bed in which to burn the refuse is formed out of the refuse such as municipal wastes and a fluidlzlng medium by the primary air; the pyrolysis gas generated in said combustion is burnt with the secondary air in the upper, or the freeboard, space of the furnace body; the gas generated in said secondary combustion is discharged out of the furnace body as an exhaust; and a part of said discharged exhaust gas is returned to the fur-nace body, thus achieving effective control over drying, combus-tion, and pyrolysis of the refuse.
Patent CA-1287701-C (CA)
Inventor: LUCERI THOMAS J
IPC: A61F13/82
Filed: 1987-02-26
Granted: 1991-08-20
Abstract: Smooth edged, contoured, sanitary napkin A smooth edged, "C"-folded sanitary napkin is provided, there being a tuck in each longitudinal edge so as to produce a body contoured product.
Patent CA-1278943-C (CA)
Title: Center pivot hitch assembly
Inventor: LEDERMANN DONALD L
IPC: A01B59/042
Filed: 1987-03-05
Granted: 1991-01-15
Abstract: Abstract of the Disclosure A novel center pivot hitch assembly mechanism is disclosed.  The mechanism of the present invention is preferably carried by a wheeled tool bar and a wheeled agricultural implement.  The wheeled agricultural implement or cart is typically moved along a path by a tractor.  The mechanism of the present invention pivotally connects the wheeled tool bar to the backside of the cart.  The mechanism of the present invention comprises a center pivot hitch assembly and a stabilization assembly.  The center pivot hitch assembly selectively allows the wheeled tool bar to pivot transversely and vertically in relation to the path along which the wheeled agricultural implement is being moved.  The stabilization assembly includes hydraulic fluid actuator means for selectively maintaining tool bar disposition relative to the agricultural implement backside, when the wheeled tool bar is oriented substantially parallel to the backside of the wheeled agricultural implement.  An additional feature of the present invention, which causes overhung load on the wheeled tool bar to be centered substantially along the axle of the wheeled agricultural implement when the tool bar is also disclosed.
Patent CA-1282045-C (CA)
Inventor: HUMBERT BERNARD M M
IPC: G06K19/00
Filed: 1987-03-06
Granted: 1991-03-26
Abstract: ABSTRACT           RECEPTACLE FOR DISPLAY OF ARTICLES           The present invention relates to blister type packaging.   The receptacle according to the present invention comprises a transparent shell fastened onto card so as to contain an article bearing a bar code. The reading of this code by opto-electronic means through the shell is distorted by ribbings formed on shell , facing the code. Thus any confusion between code which is rendered unreadable, and another bar code printed elsewhere on a receptacle is avoided.  Application of the present invention is to the blister packaging of boxes of photographic or cinema film which have printed thereon an identification bar code.
Patent CA-1326789-C (CA)
Inventor: ANDERSON HERBERT R JR
IPC: H05K3/28
Filed: 1987-04-08
Granted: 1994-02-08
Abstract: METHOD OF FAKING MULTILAYERED CERAMIC STRUCTURES  HAVING AN INTERNAL DISTRIBUTION OF COPPER-BASED                CONDUCTORS              ABSTRACT OF THE DISCLOSURE            The Present invention provides  a method for producing multilayered  ceramic   structures  having  copper-based conductors therein, wherein the onset of sintering of the copper-based conductor can be adjusted to approach or match that of the ceramic portion of the structure.  In addition, methods are provided whereby the polymeric binder resin used in formation of the ceramic portion of the structure can be  removed  or burned-off,  using  oxygen-containing ambients, wherein the oxygen content is greater than 200 ppm,  without  oxidation  of  the  copper-based  conductors therein.
Patent CA-1294161-C (CA)
Title: Single mode optical waveguide
Inventor: KAWACHI MASAO
IPC: G02F1/313
Filed: 1987-05-19
Granted: 1992-01-14
Abstract: ABSTRACT OF THE DISCLOSURE           In a single mode optical waveguide having a substrate, a cladding layer formed on the substrate, a core portion embedded in the cladding layer, and an elongated member for applying a stress to the core portion or a stress relief groove for relieving a stress from the core portion in the cladding layer along the core portion.  A position, shape and material of the elongated member or the groove are determined in such a way that stress-induced birefringence produced in the core portion in accordance with a difference in thermal expansion coefficient between the substrate and the single mode optical waveguide is a desired value.
Patent CA-1306806-C (CA)
Title: Credit card embossing and recording system
Inventor: LAMANNA RICHARD J
IPC: B41J3/38
Filed: 1987-05-22
Granted: 1992-08-25
Abstract: ABSTRACT OF THE DISCLOSURE           A system for embossing a plurality of lines and recording encoded tracks of digitally encoded characters for credit cards disclosed. The system has an improved recording station for recording digitally encoded characters, indent embossing unit, card transporting unit, process for verifying the accuracy of recording the tracks; and stacker.
Patent CA-1286738-C (CA)
Title: Coaxial cable
Inventor: SEPE EDMUND N
IPC: H01B13/016
Filed: 1987-07-27
Granted: 1991-07-23
Abstract: COAXIAL CABLE     Abstract Electro-static discharge is a problem with high-speed data even when using coaxial cables. Primarily, this problem arises at the terminal ends of the circuit where connections are made using separate coaxial cables for connecting to various pieces of equipment thereby allowing voltages to be induced differently in each such cable. This problem can be overcome by combining a portion of each cable such that the shield around each signal carrying wire remains intact while also being solidly in contact with the shield from the other wire. The cable is constructed by removing the outer insulation from a section of two single coaxial cables, electrically connecting together the exposed shields of each cable at both ends of the exposed section and reinsulating the abutted cables so that the shields remain in contact along their entire length.
Patent CA-1279569-C (CA)
Inventor: AHRENS MAX
IPC: B23D35/00
Filed: 1987-09-28
Granted: 1991-01-29
Abstract: ABSTRACT OF THE DISCLOSURE      An improved billet shear for use in a horizontal continuous casting system comprises a pair of oppositely positioned hydraulic cylinders and a pelf of inwardly facing shearing blades.  The shearing blades are multi-faceted to produce simultaneous shearing of the casting and camming of the casting separations during the shearing process.
Patent CA-1302245-C (CA)
Title: Process for the determination of a specifically bindable substance
Inventor: TISCHER WILHELM
IPC: G01N33/552
Filed: 1987-11-05
Granted: 1992-06-02
Abstract: ABSTRACT A process for the preparation of a specifi-cally bindable protein substance bound to an insoluble carrier material,   especially for use in  a hetero-geneous analysis process, according to the immunoassay principle,  wherein a soluble protein with a molecular weight above about 500,000,  which is more hydrophobic than the specifically bindable substance,  is coupled to the specifically bindable substance and then the conjugate  of  reaction  component  and  protein  is adsorbed on  a hydrophobic  solid phase;   a carrier material for use in solid phase immunoassays prepared by this process consists of a hydrophobic solid phase which is  adsorbed on  a  conjugate of a hydrophobic protein with a molecular weight above about 500,000 and of a specifically bindable protein substance.
Patent CA-1306948-C (CA)
Inventor: SHEPPARD RAY I
IPC: A61K8/00
Filed: 1987-12-07
Granted: 1992-09-01
Abstract: ABSTRACT OF THE DISCLOSURE  A storage stable topical composition, especially suitable for pharmaceutical and cosmetic uses,  which comprises a topically active ingredient,  a sugar,  a moisture control agent and a cream base.   The carrier cream base comprises one  or more from each of the groups of wax compounds, thickening agents and surface active agents dispersed in water.
Patent CA-1288339-C (CA)
Inventor: WARREN HAROLD C III
IPC: G01N33/543
Filed: 1987-12-14
Granted: 1991-09-03
Abstract: AGGLUTINATION REAGENT AND METHOD        OF PREPARING SAME Abstract of the Disclosure An agglutination reagent is prepared by covalently attaching an immunoreactive species to polymeric particles through reactive groups in the species.  After attachment, the species is chemically modified with an acylating, alkylating or sulfonylating agent thereby modifying primary or secondary amino groups.  The reagent can be used in agglutination assays for a number of analytes, including Streptococcus A antigen, human retroviruses or antibodies, human chorionic gonadotropin and other antibodies or antigens.
Patent CA-1334247-C (CA)
Inventor: SCHULTZ THOMAS J
IPC: C21D1/76
Filed: 1988-01-11
Granted: 1995-02-07
Abstract: An internal gas generator in combination with a standard heat treat furnace is provided for producing either an endothermic product gas or a purge gas.  The generator includes a reaction tube containing alternating packed beds of a highly active catalyst and inert heat transfer particulates.  The reaction tube is surrounded by an elongated tubular heating element which heats the reaction tube, the combination producing an acceptable product gas in a small arrangement suitable for retrofit applications to existing furnaces.  A flanged mounting permits the reaction tube to be easily removed for standard replacement in the event of catalyst poisoning and the like.
Patent CA-1320264-C (CA)
Title: Sonar transducers
Inventor: ARNOLD DOUGLAS B
IPC: G10K9/12
Filed: 1988-01-18
Granted: 1993-07-13
Abstract: Abstract Accurate  tuning of a high power, low frequency flextensional transducer for  underwater  use  is made possible by inserting  the  piezo-electric elements  of  the  transducer in a number of  spaced  stacks  (22,23,24) between  opposed inserts (28) which make easy adjustment during assembly possible.   The stacks are placed on the plane through the major axis of the  elliptical  shell (21) of the transducer and the inserts  (28)  are shaped  to conform with the elliptical shape.  The stacks are  assembled with  tapered supports (29') and complementary tapered slides (210)  are wedged  between  the shell inserts (28) and the tapered  supports  (29') until   a  required  pre-stress  is exerted   by  the  shell   on   the piezo-electric stacks.  Sealing of the ends of the elliptical shell (11) to  respective  end-plates  (16) so as to retain a capability  for  high amplitude  flexing is achieved by use of a compression bonded layer (31) of  neoprene  which  provides  a peripheral lip  seal  (32).   Wide-band performance  of  the  transducer may be achieved by changing  the  cross section  of the inserts (28) along the length of the shell (21) so  that the  length  of insert in contact with the shell changes.  In  addition, the  depth  range  of  the transducer may be extended by  use  of  depth pressure compensation.
Patent CA-1300126-C (CA)
Title: Chromogenic hemispherands and their use in detecting electrolytes in an aqueous test sample
Inventor: CRAM DONALD J
IPC: C09B57/00
Filed: 1988-03-04
Granted: 1992-05-05
Abstract: ABSTRACT OF THE DISCLOSURE     The present invention resides in the discovery of a new class of compounds defined herein as "chromogenic hemispherands" useful for the measurement of ions, in particular, ions in aqueous solution, which have the structure   wherein:       R, same or different, is hydrogen, lower alkyl, lower alkylidene, lower alkenyl, allyl or aryl;     R', same or different, is lower alkyl, lower alkylidene, lower alkenyl, allyl or aryl:     Abstract Page 2 R",  same  or  different,  is hydrogen,  lower  alkyl,  lower alkylidene, lower alkenyl, allyl or aryl;          P  is  an  aliphatic  or  aromatic  subunit selected  from  the group consisting of -CR2CR2OCR2CR2-,    and                     wherein R is as defined above; n is 0 to 3; m is 1 to 3; and Q is a chromogenic moiety capable of providing an appearance of or change in color, or other detectable response in the presence of a particular cation, and a buffer to provide a pH in the range of about 7 to 11.
Patent CA-1307123-C (CA)
Title: Process for washing linen and container for implementing it
Inventor: CORNETTE HENRI
IPC: D06F39/02
Filed: 1988-03-24
Granted: 1992-09-08
Abstract: ABSTRACT            Process for washing linen and container for implementing it Inventors:  José ARNAU-MUNOZ             Henri CORNETTE        A container containing a predetermined quantity of detergent composition is introduced into the drum of a machine for washing linen.  The container comprises com-partments which separately receive the constituents of the composition, which do not have a satisfactory mutual compatibility, for example the constituents which release active oxygen or chlorine and the remainder of the deter-gent composition.  Each of the said compartments has openings for permitting its contents to diffuse during the dashing process.            NO DRAWING
Patent CA-1333848-C (CA)
Title: Device for performing measurements on a transparent object, method of manufacturing a fibre and fibre manufactured by means of said method
Inventor: PRAST GIJSBERT
IPC: G02B6/44
Filed: 1988-06-07
Granted: 1995-01-10
Abstract: Device for performing measurements on a transparent object, method of manufacturing a fibre and fibre manufactured by means of said method.     In a device for performing measurements on at least partly transparent objects such as optical fibres a radiation beam is directed on the object. The radiation deflected by the object is imaged by means of a lens system (321, 322) on a radiation-sensitive detection system (330). As a result of refraction on interfaces between areas having a different refractive index (311, 312) in the object and between the object and the surroundings (315), dark or light bands corresponding to the projection of the interfaces are produced on the radiation-sensitive detection system (330). Thus measure-ments can be performed on the internal structure of the object. Figure 3.
Patent CA-1305896-C (CA)
Title: Gloss enhancement of autodeposited coatings
Inventor: BROADBENT RONALD W
IPC: B05D7/14
Filed: 1988-06-17
Granted: 1992-08-04
Abstract: ABSTRACT OF THE DISCLOSURE      A process of enhancing the gloss and retaining the corrosion resistance of an autodeposited coating on a metallic surface by contacting the coating with a reaction rinse solution containing an amphoteric surface active agent and an alkaline material, and then rinsing the coating, preferably with deionized water.   The coating preferably comprises a vinylidene chloride copolymer, and the metallic surface preferably comprises a ferriferrous surface.
Patent CA-1308841-C (CA)
Inventor: BRE ANNE
IPC: C08L27/16
Filed: 1988-07-29
Granted: 1992-10-13
Abstract: New polymer compositions based on polyvinylidene fluoride, their preparation and their uses are described. These compositions consist essentially of mixtures comprising a major proportion of polyvinylidene fluoride and a minor proportion, sufficient to improve the flexibility of the latter, of at least one elastomer of the hydrogenated nitrile rubber type, essentially an at least partially hydrogenated butadiene-acrylonitrile copolymer. Having an improved behaviour in contact with hydrocarbons at relatively elevated temperature, the compositions of the invention can be advantageously employed for the manufacture of storage vessels, tubing or pipes and flexible hoses for the storage and conveying of hydrocarbons.
Patent CA-1324417-C (CA)
Inventor: RICHARDSON ROBERT W
IPC: A61B5/0496
Filed: 1988-08-26
Granted: 1993-11-16
Abstract: METHOD AND DEVICE FOR MEASURING RETINAL RESPONSE                 Abstract of the Disclosure A device for detecting localized retinal damage derives focal responses of the retina(5) from the global response of the retina to patterned stimuli(9) in one's visual field.  The stimuli(9) comprises a series of patterns which spatially vary according to a function of a family of orthogonal functions.  Each pattern also varies temporally either by being flashed before the patient or by being reversed in contrast at a fixed frequency.  An electroretinogram (ERG) or magnetoretinogram (MRG) response(13) of the patient's eye(5) to the series of patterns is fed back into a computer(7) generating the patterns.  The responses are used by the computer(7) to determine the  coefficients of the transform of the function of the retinal response.  The computer(7) calculates the inverse transform associated with the orthogonal functions and provides the retinal response(17) as a function of position on the retina.  Contrast, intensity and temporal frequency of the patterns are chosen for a linear response of the eye.  Color, intensity and temporal frequency may also be chosen to test different retinal functions.  A lock-in amplifier provides the computer(7) the signal amplitude and phase lag of the responses.  A signal averager(15) provides the computer an improved signal to noise ratio of the responses.
Patent CA-1313571-C (CA)
Title: Metal oxide semiconductor field-effect transistor formed in silicon carbide
Inventor: PALMOUR JOHN W
IPC: H01L29/24
Filed: 1988-10-25
Granted: 1993-02-09
Abstract: METAL OXIDE SEMICONDUCTOR FIELD-EFFECT TRANSISTOR FORMED IN SILICON CARBIDE                      Abstract The present invention comprises a meal-oxide-semiconductor field-effect transistor (MOSFET) formed in silicon carbide.  The doped source and doped drain are formed by high temperature ion implantation of dopant ions into the silicon carbide.
Patent CA-1320142-C (CA)
Title: Separator for cell-containing liquids
Inventor: VAN DRIESSCHE PETRUS J D M
IPC: B01D61/18
Filed: 1988-11-04
Granted: 1993-07-13
Abstract: Abstract A device for separating a cell-containing liquid into a cell-containingand a cell-free fraction, which device comprises an essentially elongated housing at one end of which there is provided a closable inlet, which housing contains an area for the cell-containing fraction, an area for the cell-free fraction and a membrane separator, which separator comprises a narrow feed channel through which the cell-containing liquid is passed over the wall of a separation membrane, which is formed by one or more hollow fibres which are connected at their open ends to the area for the cell-free fraction. Thus, for example, whole blood is separated very rapidly after its introduction into the device. The device may be manufactured simply and inexpensively and is pre-eminently suitable to be used for diagnostic purposes.
Patent CA-1294312-C (CA)
Title: Table with folding leg
Inventor: DIFFRIENT NIELS
IPC: A47B3/08
Filed: 1988-11-07
Granted: 1992-01-14
Abstract: ABSTRACT     The invention is an improved leg folding mechanism for a folding table.  The leg has a T-shaped top end and carries a pair of disc shaped followers on the ends of the T arms.  These followers are arranged to travel in a pair of parallel guide channels when the leg is folded and erected.  The leg itself carries an "axle" which protrudes therethrough on both sides.  Each of a pair of elongated compression members is connected at one end to one end of the axle and the other end of each compression member is pivotally connected to the table top.  Each of a pair of tension links is also pivotally connected to the table top at one end and to the axle by a slot in the other end.  A latch secures the top end of the leg to the table top when erected.  The dimensions of the compression members and tension links are so selected that, when the table is erected, the tension links are under tension and this tension force is applied directly to the compression members, thereby keeping them under compression.  This results in a table of exceptional rigidity.
Patent CA-1295670-C (CA)
Title: Dc supply having low and high constant voltages for powering an inverter controller
Inventor: KIDO TOORU
IPC: H02M3/156
Filed: 1988-12-09
Granted: 1992-02-11
Abstract: "DC SUPPLY HAVING LOW AND HIGH CONSTANT VOLTAGES FOR     POWERING AN INVERTER CONTROLLER"                         ABSTRACT OF THE DISCLOSURE A power supply comprises an inverter circuit for converting an input voltage from a d.c. voltage source to a desired output voltage which is maintained constant under varying current of a load circuit through the feedback operation of an inverter controller. A threshold circuit including a breakdown diode is connected to the d.c. voltage source. The base of a voltage sensing transistor is connected to the breakdown diode for switching to a conducting state when the d.c. voltage exceeds a prescribed level determined by threshold voltages of the breakdown diode and the voltage sensing transistor. A pair of current carrying transistors are connected between the d.c. voltage source and a power supply terminal of the inverter controller. Responsive to the conduction of the voltage sensing transistor current is supplied through the current carrying transistors from the  d.c. voltage source to the inverter controller. The source voltage supplied to the inverter controller is held at zero volt until the d.c. input voltage rises above the prescribed level and jumps to a high level which is maintained constant by a semiconductor circuit comprising the breakdown diode, the voltage sensing transistor and the current carrying transistors.
Patent CA-1324548-C (CA)
Inventor: POGGIE MATTHEW P
IPC: A61F2/38
Filed: 1989-02-01
Granted: 1993-11-23
Abstract: ABSTRACT OF THE DISCLOSURE A modular apparatus for use in the preparation of bone surfaces and the implantation of a modular total knee prosthesis in a patient, which apparatus comprises cutting guides, templates, alignment devices, a distractor and clamping instruments which provide modularity and facilitate bone resection and prosthesis implantation.