baber/WOPTO huggingface dataset:
Patent CA-2031230-A1 (CA)
Title: Rock bolt cutter
Inventor: LANGLOIS ANDRE C
IPC: F42D3/00
Filed: 1990-11-30
Abstract: ABSTRACT "Rock Bolt Cutter"     A rock bolt cutter comprising a rigid shaped explosive charge wherein the rigid explosive charge is held in place in a plastic shell by one or a plurality of annular ribs on the inner surface of the shell.  The rock bolt cutter provides a simple means to retain the explosive charge in place, relative to the rock bolt to be cut and is produced by a simplified manufacturing method.
Patent CA-2033740-A1 (CA)
Title: Mixtures of aqueous polymer dispersions
Inventor: WITKOWSKI REINER
IPC: C09J7/10
Filed: 1991-01-07
Abstract: The present invention is directed to a novel adhesive which is a mixture of A) at least one aqueous dispersion of a polymer which has a softening point below 70°C, said dispersion containing 5 to 70% by weight solids and having a film-forming temperature below 70°C, and B) at least one aqueous dispersion of a polymer based on olefinically unsaturated monomers having a softening point is above 70°C, said dispersion containing 5 to 70% by weight solids, wherein the weight ratio of dispersion A) to dispersion B) is from 97:3 to 60:40, based on the solids content of said dispersions.
Patent CA-2036021-A1 (CA)
Title: Intersection solution method for drill bit design
Inventor: FISCHER JOHN G
IPC: E21B10/567
Filed: 1991-02-08
Abstract: INTERSECTION SOLUTION METHOD     FOR DRILL BIT DESIGN            ABSTRACT OF THE DISCLOSURE     A process for distributing cutters along the profile of a drill bit and a drill bit produced by such a process is provided by which at least during one stage of bit design the cutters are distributed in a manner providing that each cutter traces a path of predetermined area. Two methods for determining that area are presented.  The cutter distribution process provides for accurate cutter placement by taking into account each cutter's radial distance from the center line, respective placement along the profile, and intersection with other cutters.   The placement of each cutter element along a conventional bit profile is determined by defining the bit profile in terms of a continuous line of alternately facing acute isosceles triangles the legs of which are equal to the cutter radius.   The development of this geometry  is achieved   by   the   mathematical   solution   of   the intersections of circles with lines and of circles with circles.
Patent CA-2036255-A1 (CA)
Title: Test probe for use in a storage tank leak detection system
Inventor: LAGERGREN PETER J
IPC: G01M3/32
Filed: 1991-02-13
Abstract: TEST PROBE FOR USE IN A STORAGE TANK LEAK DETECTION SYSTEM   ABSTRACT OF THE DISCLOSURE             A test probe is described for substantially eliminating measuring inaccuracies in a storage tank leak detection system caused by temperature-induced volumetric changes in the stored fluid product.  The apparatus comprises an elongated tube, formed of a low temperature coefficient material, supported in the storage tank and having first and second ends and a substantially hollow core.  A housing is attached to the second end of the elongated tube and is vented to the fluid product such that a portion of the fluid product enters the housing.  An inner tube is located within the elongated tube and has an opening connected to the housing.  The inner tube is preferably supported within an outer tube and the inner and outer tubes are separated by an evacuated space to provide thermal isolation of the inner tube from the elongated tube.      A low temperature coefficient medium is then supported in the inner tube. According to the invention, a non-reactive liquid seal is supported in the housing between the medium and the fluid product for supporting the medium in the inner tube in static equilibrium with respect to the fluid product.  The large disparity between the temperature coefficients of the medium and the fluid product insures that temperature-induced volumetric changes in the fluid product do not vary the level of the medium in the tube.
Patent CA-2037068-A1 (CA)
Title: Game
Inventor: LEESON GARRY
IPC: A63F3/00
Filed: 1991-02-26
Abstract: ABSTRACT OF THE DISCLOSURE         A game in the form of a parlor game, video game or television game for purposes of entertainment.  The game comprises a plurality of distinct, arbitrarily selectable information units, each unit being divided into two independently viewable sub-units.          The first sub-unit has a visual representation of a different, recognizable  object  and  the  second  sub-unit  is  a  visual representation of the identity of that object and questions and answers  concerning that  object.   Means  are provided  for the selection  of  a  particular  question  by  the  player  and  for accumulating the player's score based on proper answers to the questions.   For the parlor game form of the game,  the units comprise two-sided cards, the first side displaying a photograph of an object and the second side the identity of the object and a plurality of questions concerning the object and answers to those questions.
Patent CA-2038859-A1 (CA)
Inventor: HERAUD LOUIS
IPC: D06M101/00
Filed: 1991-03-22
Abstract: The  thermostructural composite material is  produced  by forming  a fibrous preform made from refractory fibers coated  with a  sizing agent. The preform is densified by a  refractory  matrix, in  particular  ceramic,  while a  carbon  interphase  is  provided between  the  fibers and the matrix. The fibrous  preform  is  made from refractory fibers coated with a sizing agent of the type  that leaves  behind  a carbon residue upon  thermal  deccmposition. The carbon  interphase  is produced by the thermal degradation  of  the sizing agent, occurring for example after the preform is made.  The sizing  agent  is  chosen among  phenolic,  acrylic  and  cellulose resins, and in particular carboxymethylcellulose.
Patent CA-2039003-A1 (CA)
Inventor: ROBINSON FRANK
IPC: D04B1/00
Filed: 1991-03-25
Abstract: A weft knitted double-jersey fabric is knitted in a construction of repeating groups of courses in which some courses have loops pulled to both fabric faces and some courses have loops pulled to one fabric face and are transversed by yarn regions which extend across at least two wales and up to seven or more wales.   The yarn feed to the needle beds of the knitting machine is limited to no more than 4.0 cm/cm of bed length over which the fabric is knitted in courses in which loops are pulled to both faces of the fabric and to no more than 2.0 cm/cm of bed length, preferable no more than 1.8 cm/cm, in courses in which loops are pulled to one face of the fabric.   The fabric has an extensibility of no more than 12% in wale and course directions. It is knitted with a high count yarn of 550 to 850 decitex which may be an air-textured polyester yarn.   It is suitable for use as upholstery fabric particularly in the form of a vehicle seat upholstery cover which may be shaped to fit the seat in the knitting process.
Patent CA-2041148-A1 (CA)
Title: Aqueous, clear, coating composition containing emulsion copolymers and coated substrates prepared therefrom
Inventor: REUTER KNUD
IPC: C09D161/28
Filed: 1991-04-24
Abstract: Mo3554 LeA 27,59I    AQUEOUS, CLEAR, COATING COMPOSITION    CONTAINING EMULSION COPOlYMERS AND COATED SUBSTRATES PREPARED THEREFROM                   ABSTRACT OF THE DISCLOSURE        The present invention relates to aqueous, clear, coating compositions containing A)   60 to 90% by weight, based on the total weight of components A) and B), of an emulsion copolymer which is the reaction product of a)   0 to 50% by weight of styrene, .alpha.-methyl-styrene or a mixture of these monomers, b)   0 to 50% by weight of methyl methacrylate, c)   10 to 45% by weight of at least one alkyl acrylate having 1 to 8 carbon atoms in the alkyl group, d)   5 to 30% by weight of hydroxyethyl-, 2- or 3-hydroxypropyl- or 2-, 3- or 4-hydroxybutyl-(meth)-acrylate or any mixture of these monomers, e)   1 to 15% by weight of acrylic acid, methacrylic acid or any mixture of these acids and f)   0 to 15% by weight of other comonomers, wherein i)   0 to 50% of the carboxyl groups are neutralized with an aliphatic amine or with ammonia, ii)  the percentages a) - f) adding up to 100, based on the total weight of a) - f) and iii) the combined weight of monomers a) and b) being 10 - 70% by weight, based on the total weight of monomers a) - f), B)   0to100% by weight, based on the total weight of components A) and B), of a melamine resin and C)   water.           The present invention also relates to coated substrates, particularly coated motor vehicle substrates, prepared from these aqueous, clear, coating compositions. Mo3554
Patent CA-2050711-A1 (CA)
Title: High resolution camera sensor having a linear pixel array
Inventor: BAIRD RANDY K
IPC: G01B11/02
Filed: 1991-09-09
Abstract: Abstract of Disclosure A high resolution object handling system serves as an object discrimination - identification by creating an object silhouette.  The objects are singulated on a conveyor and scanned by a linear array of CCD units (2048 pixels per inch) at a scan rate of 10 MHz.  Pixel transitions corresponding to object edge points are converted to a single count value from a counter which is synchronized with the scanner.  A microprocessor with a first in, first out buffer memory needs only a capacity to handle the count value rather than all data from the pixels.
Patent CA-2051789-A1 (CA)
Inventor: GARRY PATRICK J
IPC: B43K23/12
Filed: 1991-09-18
Abstract: A pen cap for a writing instrument barrel including a chamber defining inner housing adapted to snuggly receive a reduced nib carrying portion of the barrel and a spaced flow-through outer housing coextensive at the proximal end thereof with the inner housing to define a narrow passage therebetween with spaced radially extending rib members extending thereacross between the spaced inner and outer housing to strengthen the pen cap at the proximal end thereof.
Patent CA-2056652-A1 (CA)
Title: Telephone subscriber accommodation system in a broadband network
Inventor: KAKUMA SATOSHI
IPC: H04L12/66
Filed: 1991-11-29
Abstract: On receiving voice data from a subscriber accommodated in a broadband network, a terminal adaptor separately puts the voice data in  cells in 8-bit units  every 125 µs separately, and transmits the cells by a remote switching unit in the broadband network to subscriber terminal equipment.  The subscriber terminal equipment accommodates and processes each item of 8-bit data in 24 channels in the PCM format, puts in cells the PCM-formatted data in 24 channels, and sends the cells sequentially to a broadband network transmission line through the remote switching unit.  On receiving the above described  data in cells, an adaptor provided between the broadband network and an existing telephone network converts the data to the PCM transmission format, and sends them to the existing telephone network after adding a signaling bit to them.
Patent CA-2058353-A1 (CA)
Inventor: RUPPEL ROBERT F
IPC: G05B15/02
Filed: 1991-12-23
Abstract: The present invention relates to a dynamic weight control system for a slicing machine, used to slice bacon or other food products, that has both primary and secondary weighing systems.          The slicing machine has a slicing blade and a feed mechanism for feeding a food product (e.g., a bacon slab) into the slicing blade at a controlled rate.   The primary weighing system controls primary slicing and weighing of multi-slice drafts of the sliced products so that each draft is an approximation of a prescribed control weight.   The secondary weighing system checks draft weights and supplies data to a computer that computes an average weight for those drafts that are within an acceptable weight range; it also computes the pass ratio of acceptable weight drafts for a sample group of drafts.   The pass ratio computation is used to make incremental adjustments in a target weight and the secondary system then computes a dynamic weight correction based on the adjusted target weight; the weight correction is fed back into the primary weighing system where it is used to adjust the control weight, with no operator intervention required, to reduce weigh giveaway.
Patent CA-2059037-A1 (CA)
Title: Railcar straddle for material handling
Inventor: EGAN EDWARD A
IPC: B62D49/06
Filed: 1992-01-08
Abstract: PATENT     STRADDLE APPARATUS FOR MATERIAL HANDLING                 Abstract of the Disclosure The straddle apparatus for loading and unloading gondola and similar-type railcars is mobile for movement into a position straddling a railcar on railroad tracks.  It has a platform supported by leg members adjustable to vary the elevation of the platform above the railcar.  A boom mount structure is fixed to the front portion of the platform.  Stabilizing assemblies are also mounted at the front edge of the platform for swinging downward to abut upper surface lateral edges of the railcar with an operator-selected degree of pressure to reduce lateral wobble movement and longitudinal roll movement of the railcar during loading and unloading operations.  The stabilizing assemblies also give additional support to the boom assembly during the material handling operations of loading and unloading.
Patent CA-2061134-A1 (CA)
Title: Specific chicken egg antibody and method for its production
Inventor: TSUDA KEN
IPC: A61K39/395
Filed: 1992-02-13
Abstract: ABSTRACT OF THE DISCLOSURE       The present invention is directed to a specific egg yolk antibody, which substantially has antibody activity against a particular antigen, produced by a process comprising of supercritical gas extraction from an egg yolk of hens immunized with the particular antigen, and to a process of producing such a specific egg yolk antibody.  The present invention makes it possible to easily and cheaply produce a specific egg yolk antibody which substantially has antibody activity and sufficiently reduced levels of the color, odor and flavor of egg yolk. Also, the specific egg yolk antibody of the present invention is good in oxidation stability during storage and excellent in fluidity for the food processing.
Patent CA-2063753-A1 (CA)
Title: Inductor alternators
Inventor: CONNELL JAMES J
IPC: H02K1/14
Filed: 1992-03-23
Abstract: INDUCTOR ALTERNATORS                      ABSTRACT OF THE DISCLOSURE   Traditional alternators, that is those non-inductor alternators employed in machines such as automobiles, provide either moving conductors which cut through a stationary magnetic field, or a moving magnetic field which passes over stationary conductors. In conventional inductor alternators, neither the field nor armature rotate. An electro-motive force is induced in the output windings by periodic changes in the local reluctance of the magnetic circuit carrying the magnetic flux. The reluctance is governed by the shape of the rotor relative to the stator. By the elimination of the stator housing and of the rotor encompassing stator, this invention provides for the use, as inductor alternator rotors, of components which previously could not function as rotors.
Patent CA-2063812-A1 (CA)
Title: Phosphate ester flame retardant mixture and foamed resins containing same
Inventor: ANDERSON JAMES J
IPC: C08K5/53
Filed: 1991-05-15
Abstract: ABSTRACT OF THE DISCLOSURE  A flame retardant composition, for use in flexible urethane foams, which contains about 5 to 95% of tris(monochioroalkyl, dichloroalkyl or mixtures thereof) phosphate and the remainder is a phenyl phosphate ester which is an alkylated triphenyl phosphate having an approximate average formula (R2ArO)3PO wherein x ranges from 1 to 2, each R is individually selected from the group consisting of hydrogen, C1-C4 alkyl and Ar is phenyl.  Flexible urethane foam compositions containing 8 to 14 parts per 100 parts polyol of this composition have sufficient flame retardant properties to meet the Cal 117 test standard.
Patent CA-2067535-A1 (CA)
Title: Current limited subscriber interface circuit
Inventor: SILIGONI MARCO
IPC: H04M19/00
Filed: 1992-04-29
Abstract: An electronic interface circuit between a telephone subscriber line and a telephone main exchange is disclosed which forms, with the main exchange battery (UD), a supply bridge for the telephone line (LN), with limitation of the line current (IL) to a predetermined threshold value (ILIM). The voltage/current characteristic of the supply bridge is balanced for lower values of the line current (IL) than the threshold current (ILIM) and is unbalanced whenever the line current (IL) attains said threshold current (ILIM).
Patent CA-2068771-A1 (CA)
Title: Tool element subassembly and method of manufacturing same
Inventor: TIMMONS RUSSELL M
IPC: B24D5/16
Filed: 1992-05-15
Abstract: Abstract A tool element subassembly, such as an abrasive disc subassembly,  for mounting to the spindle of a grinder.  The subassembly  includes  an  abrasive  disc,  a  collar  nut  and, optionally, a backing flange.  The central bore in the abrasive disc as well as the hub portion of the collar nut which fits into the bore are both hexagonally shaped to provide a positive drive connection therebetween.  The collar nut is either press fit onto the disc or, alternatively, placed directly into the mold for the disc so that the formed abrasive disc is molded directly to the hub portion  of  the  collar  nut.    Additional  alternative embodiments are also disclosed.
Patent CA-2069065-A1 (CA)
Inventor: WESEL RICHARD D
IPC: H03H21/00
Filed: 1992-05-20
Abstract: The quality of speech being transmitted in a telecommunication channel is enhanced by adaptively compensating for frequency dependent attenuation in the telecommunication channel. The frequency dependent attenuation in the telecommunication channel is dynamically determined and, then, compensated for by adaptively selecting and inserting an appropriate frequency dependent gain function in the telecommunication channel. (FIG. 2)
Patent CA-2069538-A1 (CA)
Title: Evanescent wave sensor shell and apparatus
Inventor: SLOVACEK RUDOLF E
IPC: G01Q60/00
Filed: 1992-05-26
Abstract: ABSTRACT An evanescent wave sensor for use in analyzing a medium, the sensor including a shell having a radiation port at a first end and a base at a second end.  The base has a dimension greater than that of the radiation port, and inner and outer wall surfaces of the shell extend between the radiation port and the base.  The shell is formed of a material having an index of refraction greater than that of the medium.  An apparatus and method for analyzing the medium using the sensor may include a receptacle which defines a chamber about a portion of the shell for contacting the medium to the shell for analysis, optical elements for guiding radiation from a radiation source to the radiation port, and optical elements for guiding fluorescent radiation from the shell to a detector of fluorescent radiation.
Patent CA-2070126-A1 (CA)
Title: Flexible connector
Inventor: HIGHLEN JOHN L
IPC: F16L27/103
Filed: 1992-06-01
Abstract: ABSTRACT OF THE DISCLOSURE A flexible connector has a plurality of bearings housed in a single housing to attenuate vibration and noise. In one embodiment, the bearings have a spherical configuration with the center point of the spherical segment of one of the bearings at a different location from the center point of the spherical segment of the other bearing thereby providing efficient and compact bearings and a smaller envelope for such bearings.
Patent CA-2070986-A1 (CA)
Title: Method and apparatus for controlling writing to memory
Inventor: LAATIKAINEN JOUKO
IPC: G06F21/79
Filed: 1991-01-02
Abstract: The invention relates to a method and apparatus for controlling writing to a memory. The apparatus comprises control means (1-8) for the formation of a memory activation signal (C^ B7E^ B7) in response to the applying of a predetermined key code to the control means, the control means comprising timer means (2) which are started by applying the key code and which prevent the formation of the memory activation signal (C^ B7E^ B7) when a predetermined time has elapsed from the applying of the key code. In order to speed up the writing of long data blocks into a memory, the invention is characterized in that the control means further comprise means (3, 5, 6) for restarting the time means (2) within a predetermined time interval from the applying of the key code or the previous memory write operation as a result of a performed memory write operation.
Patent CA-2071147-A1 (CA)
Inventor: SAUVINET VINCENT
IPC: C03C17/34
Filed: 1992-06-12
Abstract: BREVET D'INVENTION TECHNIQUE DE FORMATION PAR PYROLYSE EN VOIE GAZEUSE D'UN REVETEMENT ESSENTIELLEMENT A BASE D'OXYGENE ET DE SILICIUM. Déposant: SAINT-GOBAIN VITRAGE INTERNATIONAL L'invention consiste donc en une technique de formation par pyrolyse en voie gazeuse d'un revêtement à base de silicium, d'oxygène et de carbone, à la surface d'un substrat en verre en mouvement, à partir d'un mélange gazeux précurseur essentiellement dépourvu de composé oxydant et comportant un silane et un composé éthylénique, de manière à ce qu'on maintienne le temps de contact entre ce mélange précurseur et le verre à une valeur supérieure à celle nécessaire au dépôt dudit revêtement si celui-ci était effectué à partir d'un mélange gazeux précurseur contenant un agent oxydant. Le revêtement ainsi obtenu a un indice de réfraction compris entre 1,45 et 2, de préférence entre 1,6 et 1,9, et surtout son épaisseur atteint des valeurs supérieures à 50 nm. Fig unique
Patent CA-2075105-A1 (CA)
Inventor: KAWASAKI KENJI
IPC: B01F5/00
Filed: 1992-07-31
Abstract: There is provided in a pressure feed pipe for feeding cement paste under pressure a wall panel assembly formed of a plurality of wall panels having collision surfaces and through holes and arranged at predetermined intervals. High-strength or superhigh-strength mortar or concrete is produced by kneading a designed amount of binder material comprising cement or cement or a pozzolan material together with a predetermined amount of water, passing this cement paste through the abovementioned pressure feed pipe to crush the cement balls contained in the cement paste and thus to homogenize the paste, and kneading the thus homogenized cement paste together with fine aggregate or fine and coarse aggregate.
Patent CA-2075475-A1 (CA)
Title: Multiple buffer time division multiplexing ring
Inventor: FREDRICSSON STAFFAN A
IPC: H04L5/22
Filed: 1991-01-30
Abstract: A multiple-buffer time-division-multiplexing ring (16) is provided for enabling different computers using various communication protocols with different delay constraints to use the ring simultaneously for communication with a plurality of peripheral devices while at the same time maximizing the number of connections to peripheral devices which may be supported by the multiplexer ring.  The multiple-buffer time-division-multiplexing ring (16) utilizes two or more parallel or serial buffers (20a, 20b) in the ring (16) which may be located in a permanently or temporarily assigned master node (10). Digital data are carried around the ring (16) in a plurality of time-slots wherein one or more time-slots are allocated for each user of the ring. The time-division-multiplexing ring (16) uses the multiple buffers (20a, 20b) to advance time-slots for delay-sensitive protocols ahead of time-slots for non-delay-sensitive protocols.
Patent CA-2077266-A1 (CA)
Title: Hollow metal sealing rings
Inventor: NICHOLSON TERENCE P
IPC: F16J15/08
Filed: 1992-09-01
Abstract: ABSTRACT            A self-energizing metal sealing ring has a generally C-shaped cross section open on its radially inner side, with limbs (9) which are convergent at least on their axially outer surfaces (11).  The radially outermost region (13) is of increased thickness; and is shaped to provide a broad cylindrical outer rim or heel surface (15). The free ends of the limbs have axially outwardly projecting tips (31), the axial distance over which is the maximum axial dimension (A) of the ring in its relaxed state.  The limb regions have, adjacent to the said projections, regions (27) of reduced thickness at which the limbs flex during axial compression.