baber/WOPTO huggingface dataset:
Patent CA-2123353-A1 (CA)
Title: Composite spinal apparatus
Inventor: SMALL LAURA C
IPC: A61F5/01
Filed: 1994-05-11
Abstract: ABSTRACT      A composite surgical spinal fixation system including a bone bolt having end portions that are adapted to be surgically implanted into a patient's spine at first and second spaced apart positions and a central portion of the bone bolt defining a load transfer surface, the bone bolt having a second upper threaded section for threadably receiving a nut at a shaped, countersunk interface. As an alternate embodiment, a bone screw provides an upper enlarged head with a lower coarsely threaded shank. A composite plate having upper and lower surfaces and outer opposed edges is provided with an elongated slot for accommodating a selected bone bolt or bone screw. The plate edges carry fine adjustments extending between the upper and lower surfaces of the plate and a load transfer washer interfaces the plate and the selected bone bolt or bone screw for distributing load (and reducing stress) from the bone bolt (or screw) to the plate. The composite plate adopts a curved configuration via asymmetric ply lamination or by melt-forming. The curvature of the plate is dictated by the natural lordotic curvature of the patient's spine. The plate is comprised of either a plurality of laminal arranged in a specific ply sequence or a plurality of fibers or tows arranged through winding and/or placement. Electrochemical compatibility with the composite plate is ensured by careful selection of the materials comprising the attachment means and the washer mechanism.
Patent CA-2124270-A1 (CA)
Title: Method and machine tool for finishing toothings
Inventor: LORENZ MANFRED
IPC: G05B19/18
Filed: 1994-05-25
Abstract: Abstract of the Disclosure A method of finishing teeth including tooth flanks of a toothed wheel with a machine tool includes the steps of engaging the toothed wheel with an abrasive working tool of the machine tool and rotating  for  at  least one revolution the toothed wheel about an axis of rotation of the toothed wheel whereby the abrasive working tool is entrained with the toothed wheel load-free but in contact with the toothed flanks of the toothed wheel.   During this one revolution,  rotational deviations  from  an  ideal  rotational  meshing between the toothed wheel and the abrasive working tool  resulting  from  tooth  inaccuracies  are measured and saved.   The toothed wheel is then finished with the abrasive working tool whereby the  rotational  movements  about  the  axis  of rotation of the toothed wheel and the rotational movement  about  the  axis  of  rotation  of  the abrasive working tool are electronically coupled and  the  rotational  deviations  are  added with reversed  sign  at each  angular  position  for providing  the  nominal  position  value  for  the movement  about  the  axis  of  rotation  to  be controlled.   In an alternative embodiment it is also  possible  to  drive  the  working  tool  and entrain without load the toothed wheel.
Patent CA-2125014-A1 (CA)
Inventor: GORSKI WILLIAM H
IPC: F24F11/02
Filed: 1994-06-02
Abstract: An electronic digital thermostat is disclosed which is capable of use in a pneumatically controlled temperature control system of the type which has a pneumatic supply line which extends to various components of the control system and wherein the control elements of the system are controlled by varying the control pressure that is communicated to such elements.   The thermostat is capable of operating in a LAN system  environment,  and  can  be  retrofitted  into  unit ventilators and the like as a substitute for a conventional pneumatic thermostat.  The thermostat has a processing means that enables sophisticated control to be achieved.
Patent CA-2127446-A1 (CA)
Title: Switching amplifier
Inventor: TURNER WHEELER M
IPC: H03F3/217
Filed: 1992-12-31
Abstract: An improved digital switching amplifier is disclosed. The amplifier utilizes a low-pass filter (LPF) at the input of the switching comparator (U1) to give an improved signal to noise ratio at the final output (Vf). In another aspect of the invention, a propagation delay is used to produce the steady-state oscillation of the amplifier circuit.
Patent CA-2130735-A1 (CA)
Title: Reduced component internal combustion engine
Inventor: GERHARDT TODD R
IPC: F02B75/02
Filed: 1994-08-23
Abstract: An engine block is formed by a single piece lower crankcase and a single piece upper crankcase having abutting surfaces sealed with a gasket. The abutting surfaces have semicircular notches aligned with one another to form a circular opening for a crankshaft. The upper crankcase includes central section from which extends a barrel unit that contains the entire cylinder bore far a piston. An integral housing for the cylindcsr valves and rocker arms is formed on the barrel unit and an integral intake manifold extends from the housing. Forming the engine block from two primary components reduces the number of joints that require machining and gaskets.
Patent CA-2130956-A1 (CA)
Title: Wall structure
Inventor: ANDERSSON LEIF A
IPC: E04B1/90
Filed: 1994-08-26
Abstract: ABSTRACT A wall structure for interior sound and thermal insulation of rooms. The wall structure comprises at least one insulating member (26a,26b,26c) and fastening profiles (10,28) consisting of metal. These are intended partly for the mutual affixing of members laterally partly for affixing of each member to floor and ceiling. Especially each member comprises a soft insulating sheet and a thereto fastened rigid support sheet. The fastening profiles intended for affixing of the member to floor and ceiling are of L-type and the fastening profiles (28) intended for mutual affixing of members are of T-type. One portion of each L-profile is intended for installation to floor and ceiling respectively and the other for installation in an area between the insulating sheet of the member and its support sheet. The support sheet is intended to face the interior of a room the two portions of each T-profile projecting on both sides of the main part of the T-profile (28) being intended for positioning in the corresponding areas between insulating sheets and support sheets of members (26b,26c) intended for mutual affixing. (Fig. 6).
Patent CA-2131766-A1 (CA)
Title: Catv signal splitter
Inventor: WRIGHT W ANDREW JR
IPC: H03H7/48
Filed: 1994-09-09
Abstract: CATV SIGNAL SPLITTER                         ABSTRACT OF THE DISCLOSURE A signal splitter circuit accepts an input signal and conveys the input signal to two output ports.  The circuit operates with minimal at-tenuation, throughout a very wide bandwidth, and also effectively iso-lates the output ports from each other.  The signal from the input port is coupled to an autotransformer, and the ends of the autotransformer are connected to the respective output ports.   A bridge load circuit which includes a transformer winding and a load connected in parallel, is in-ductively coupled to the autotransformer.  The bridge load circuit has no connection to the splitter circuit,  other than through  the  inductive coupling.   The splitter circuit also includes inductors in series with the output ports and capacitors in parallel with the output ports.   The circuit provides a balanced bridge circuit which cancels signals travel-ing between the output ports, and the inductors and capacitors provide impedance matching between the input port and output ports.  The arrange-ment of the bridge load circuit places the leakage inductance of the autotransformer outside the effective path of the bridge load circuit, so that the leakage inductance cannot cause unwanted and unpredictable phase shifts at high frequencies.
Patent CA-2133327-A1 (CA)
Title: High-voltage power switch
Inventor: MARIN HEINER
IPC: H01H1/38
Filed: 1993-03-26
Abstract: Abstract High-voltage power switch High-voltage power switch with an arc contact (1) and a spatially separated rated current contact (6), with the movable part of the rated current contact (6) taking the form of an external hollow cylinder for delimiting a storage space (11) for a pressurized quenching gas. The hollow cylinder (10) is made of a one-piece precision casting of contact material, especially a CuCr alloy, the jacket of which is stiffened by three inwardly projecting flange-like projections (12, 13, 14). This design provides a light structure for a bridging circuit component for a rated current contact requiring comparatively little driving power for its operation.
Patent CA-2133577-A1 (CA)
Inventor: GLICKMAN JOEL I
IPC: A63H33/10
Filed: 1994-02-02
Abstract: A gearing and drive mechanism is provided for a construction toy system, in which a coherent structure can be as-sembled from a series of rod-like struts (25, 26, 27, 28) and hub-like connec-tors (11), wherein the struts have spe-cially contoured ends engageable by lat-eral, snap-in assembly with pairs of con-toured gripping arms on the connector elements. Upon snap-in assembly, the struts are effectively rigidly joined with the connectors. Spur years (71) and pin-ions (70) can be rotatably supported in the structure using struts and connector elements providing a gear train for con-verting the output of a motor (37) to the driving of an element of the construction toy system. The construction system has a graduated progression of strut lengths, such that a first length is of a size to form a base of an isosceles right triangle for which the next length of the progression is of a size to form a hypothenuse. Spur and pinion gears have a size ratio of ap-proximately 2.4 at tile pitch diameter to accommodate assembly, in structures of connected struts provided in such a size progression, of useful drive gear mech-anisms of various speed ratios and me-chanical advantages.
Patent CA-2133744-A1 (CA)
Title: 1,4 naphthoquinone derivatives with anti-protozoal and anti-parasitic activity
Inventor: HUDSON ALAN T
IPC: A61P33/02
Filed: 1993-04-05
Abstract: Compounds of general formula (II) wherein R3 is C1-35 hydrocarbyl group optionally substituted by one to five substituents, selected from halo, C1-6alkoxy, hydroxy, amino, and mono- or di-C1-4alkyl-amino; and either the dotted line represents a double bond between the 2 and 3 positions of the naphthyl ring; R1 and R4 each represent = O; and R2 represents a group (a) wherein n is 2 or 3, R6 and R7 which may be the same or different, each represent a hydrogen atom, a C1-6alkyl group, optionally substituted by hydroxy, C1-6alkoxy or a group (b) wherein R9 is a C1-6alkyl group optionally substituted by an amino group optionally substituted by one or two alkyl groups, or R6 and R7 may each be a group (c) wherein R8 is a C1-6alkyl group, A is an oxygen atom or a group (d) wherein R5 represents a hydrogen atom, a C1-6alkyl group optionally substituted by hydroxy, C1-6 alkoxy or an amino group optionally substituted by one or two C1-6alkyl groups or R5 is a group (e) wherein R10 is a C1-6alkyl group or R5 is a group (f) wherein p is 2 or 3 and R11 and R12 are as hereinbefore defined for R6 and R7 or, when m is 1 and n is 2 R5 may be linked to R6 so that (g) forms a piperazine ring; or the dotted line represents double bonds between the 1, 2 and 3, 4 positions of the naphthyl ring, and R1, R2 and R4 each represent a group (h) (wherein n, A, R6 and R7 are as hereinbefore defined); and physiologically acceptable salts thereof.
Patent CA-2135678-A1 (CA)
Title: Tool vest
Inventor: BATCHELOR GRAHAM
IPC: A45F5/00
Filed: 1994-11-14
Abstract: Regarding article to convey and utilize tools by Trades persons and the like, it is commonly known that all tools are placed together in a leather pouch on the side of the body. With this invention, there are two flat pouches supported by a harness and constructed of nylon material with individual elasticized pockets and are utilized by accessing them from under the arms. This allows greater comfort and accessibility to the user due to improved weight distribution and placement. The pouches have a larger combined area and are narrower.
Patent CA-2136570-A1 (CA)
Title: Hybrid synthetic aircraft landing system
Inventor: VIVIANI GARY L
IPC: G01C21/20
Filed: 1994-11-24
Abstract: An avionics device, associated with an aircraft landing system,  capable of being operated in conjunction with externally transmitted signals including a portion for receiving the externally transmitted signals.  There is an additional   portion  which   determines   state  vector information based solely upon the externally transmitted signals.
Patent CA-2137796-A1 (CA)
Title: Device for Plasticising Thermoplastic Material
Inventor: BACHER HELMUT
IPC: B29C48/797
Filed: 1993-06-08
Abstract: A device fox plasticising thermoplastic material, especially waste, has a plasticising worm carried in a housing into which the material to be plasticised is introduced via an inlet aperture. At this inlet aperture there is a masticating device in the form of two parallel shafts arranged parallel to the axis of the worm, each of which has a plurality of disc-life masticating tools fitted on it. Between each two adjacent masticating tools there is a circular spacer and fixed upright blades engage in the gap between adjacent masticating tools with their sides tangential to the circumference of the spacers. The two shafts are driven at different speeds and their blades formed by the masticating tools masticate the material and press it into the threads of the worm. This ensures a reliable construction with good mastication of the material.
Patent CA-2140918-A1 (CA)
Title: A Filled Package Exhibiting a Substantially Colorless Transparent Appearance
Inventor: ROSELLE BRIAN J
IPC: B65D81/30
Filed: 1993-06-28
Abstract: The present invention provides a filled package which exhibits a substantially colorless transparent appearance. The package is made of a substantially transparent container (10) which exhibits the tint of a first color. A substantially transparent liquid (II) which exhibits the tint of a second color which is different than the first color is housed in the container (10). The tint of the first color of the container (10) and the tint of the second color of the liquid (II) cooperate with one another such that the tinted container exhibits a substantially colorless transparent appearance when filled with the tinted liquid.
Patent CA-2140960-A1 (CA)
Title: Linear bitblt source type
Inventor: HARTOG ADRIAN
IPC: G06T3/20
Filed: 1995-01-24
Abstract: A method of managing display memory in a computer system comprised of defining a first memory portion for storing display pixel data and defining a second memory portion as a cache memory, storing pixel data from each bitmapped object line of an object in linear sequence in the cache memory, and transferring the linearly stored pixel data from the cache memory to the first portion, for subsequent processing or display.
Patent CA-2141604-A1 (CA)
Title: Process for the electrolytic processing especially of flat items and arrangement for implementing the process
Inventor: SCHNEIDER REINHARD
IPC: H05K3/00
Filed: 1993-08-02
Abstract: The invention relates to a process for the electrolytic processing of flat and perforated items, especially in the form of printed circuit boards with drillings, which are taken through a treatment bath or to a processing station by conveyor means, in which there are means for reducing the metal-ion-depleted diffusion region in front of the surface of the items to be processed. For this purpose, in the presence of an anode and a cathodic item (K) or a cathode and an anodic item, the surface (K1) of the item to be treated is continuously mechanically wiped and the electrolyte is moved in a component substantially perpendicular to the plane of the item to be processed and taken through its drillings (42). The description also relates to an arrangement for implementing the process which contains means (W) for wiping the surfaces of the items to be treated and means to move the electrolyte through its drillings.
Patent CA-2141651-A1 (CA)
Title: Silicone pressure sensitive adhesive composition containing thermoplastic multi-segmented copolymer
Inventor: SWEET RANDALL P
IPC: C09J183/02
Filed: 1995-02-01
Abstract: A pressure sensitive adhesive composition comprises a mixture of (A) a silicate resin, (B) a silicone fluid, and (C) a thermoplastic multi-segmented copolymer which is a product of the reaction between a diisocyanate and a reactive polyorganosiloxane having two groups reactive with isocyanate thereon.  The thermoplastic multi-segmented copolymer comprises from 1 to 40 weight percent hard segments derived from reactants selected from organic diisocyanates, organic diols and organic diamines and from 60 to 99 weight percent soft segments comprising from 15 to 99 weight percent, based on the weight of the thermoplastic multi-segmented copolymer, of polyorganosiloxane units and from 0 to 70 weight percent, based on the weight of the thermoplastic multi-segmented copolymer, of polyalkylene oxide units.
Patent CA-2142417-A1 (CA)
Title: Heads-up and heads-down displays employing holographic stereograms
Inventor: MOLTENI WILLIAM J
IPC: G02B27/22
Filed: 1995-02-13
Abstract: Heads-up   and   heads-down   displays   employing holographic stereograms are provided.  The stereograms can be oriented perpendicular to the user's line of sight (the "90° case") or at angle to the line of sight (the "non-90° case").  The stereograms are produced using a three-step process in which a series of two-dimensional perspective views are prepared, a H1 hologram is prepared from the two-dimensional perspective views, and a H2 hologram is prepared from the H1 hologram.  For the non-90° case, the two-dimensional perspective views are oriented at an angle relative to the plane  of  the  H1  hologram during  the preparation of  that hologram.   Similarly,  during the preparation of the H2 hologram for this case,  the H2 hologram is oriented at  an angle  relative to  the  H1 hologram.  In this way, the viewing slits generated by the holographic stereogram are located in the vicinity of the user's eyes for the non-90°  case as is desired.   In certain embodiments, the two-dimensional perspective views are  transformed  prior  to  being  recorded  on  the H1 hologram.
Patent CA-2142731-A1 (CA)
Title: Retractable syringe with a closed barrel
Inventor: MAZUR MATTHEW S
IPC: A61M5/31
Filed: 1993-08-31
Abstract: A retractable syringe that pulls the needle (22) and holder (18) from a fluid sealed releasable connection in the open forward end of the syringe barrel (12) to a position enclosed within the barrel, with the piston shaft then being broken off at the piston and the free end of the shaft inserted through the now open forward end of the syringe barrel, enclosing and sealing the needle holder and the remaining fluid in the barrel, with the shaft holding the needle from longitudinal movement within the barrel. The syringe can then be disposed of without allowing access to the needle or having fluid leakage.
Patent CA-2142965-A1 (CA)
Title: Endoscopic suture system
Inventor: GORDON NORMAN S
IPC: A61B17/04
Filed: 1993-08-17
Abstract: A method and device (2) for the placement of sutures (4) and for the purpose of approximating tissue (114). A particular utility is effected in the approximation of the tissue (114) separat-ed by means of an endosurgical trocar being inserted into a body cavity. The invention provides for the loading of suture material (4) including needles (6) into the device, introduction and place-ment of the device (2) into the body cavity, with the distal end having deployable needle guides (10), extending the needle guides either simultaneously or individually to the periphery of the wound (14), engaging the wound with the needle guides (10) driving the needles (6) and suture material (4) through the tissue (116) to be approximated into a catch mechanism (16), retracting the needle guides (10) and withdrawing the device (2), leaving a loop of suture material in the margin of tissue. The suture may then be tied to approximate the wound and excess suture material cut off.
Patent CA-2143131-A1 (CA)
Inventor: HURNER ERWIN E
IPC: F01M11/04
Filed: 1995-02-22
Abstract: An oil cleaning and recycling system (1) is provided for automatically metering a predetermined amount of engine lubricating oil into a diesel fuel supply of a diesel engine (88) as the engine (88) operates.  A pump (10), communicating with a lubrication system of engine (88) and with a fuel tank (86), is intermittently operable in response to a regular, periodic signal generated by a control module (40).  A control solenoid (36) admits air into pump (10) upon each such signal, thereby causing a piston (18)  in the pump (10) to travel upwardly to discharge a preloaded amount of oil into a fuel return line (90) to produce a mixture subsequently consumed in the engine (88) as fuel.  The pump (10) is provided with an air-actuated valve assembly (22) to direct flow of oil into and out of a cylinder (12) and with an indicator rod (20) enabling a user to visually determine that the system (1) is in working condition.  The system (1) also includes a testing mechanism, including a button (82), manually activating the system (1) to confirm that it is in working condition prior to operation during transit.
Patent CA-2145886-A1 (CA)
Title: Electrical Power Generation Without Harmful Emissions
Inventor: RICHARDSON WILLIAM H JR
IPC: C10J3/18
Filed: 1995-03-30
Abstract: Means and method of generating electrical power by combusting a fuel gas in an internal-combustion engine and so doing useful work, such as driving an electrical generator, while virtually eliminating the harmful emissions characteristic of fossil fuel combustion.  The fuel is evolved in gaseous form by high-temperature conversion of carbon and water, as in an underwater arc provided with carbon and lacking hydrocarbons.  The gaseous fuel is non-self-combustible, but is readily combustible in the presence of air.   Its composition is imperfectly understood,  but it appears equivalent to hydrogen in major amount and carbon oxides  (mainly monoxide)  in minor amount. Its combustion products are essentially carbon dioxide and water.
Patent CA-2147351-A1 (CA)
Title: Apparatus and method for producing a frozen novelty
Inventor: FAZIO PAUL L
IPC: A23P1/12
Filed: 1994-08-11
Abstract: An apparatus and method for forming composite ice-cream-like edible novelties having discrete dough additions therein. The apparatus includes a main die (20) having an entrance (22) and exit (30) disposed downstream of the entrance, and at least one intermediate die (40) positioned within the main die at a location upstream of the exit of the main die. The method includes inking an ice-cream-like composition to the entrance of the main die in at least a semi-frozen state, and a flowable discrete addition is extruded through the intermediate die at an elevated temperature. The ice-cream-like composition and the discrete doughy addition are extruded together through the exit of the main die to form the composite ice-cream-like edible novelty.
Patent CA-2148650-A1 (CA)
Title: Peptides derived from trifluoromethylketones; process for preparing the same and pharmaceutical compositions containing them
Inventor: DE NANTEUIL GUILLAUME
IPC: C07K5/083
Filed: 1995-05-04
Abstract: Peptide derivatives of trifluoromethyl ketones of formula (I), their hydrates, enantiomers, diastereoisomers, epimers, and salts are new. R1, R2 = 1-6C alkyl or 3-7C cycloalkyl; R3 = H, 1-6C alkyl or 3-7C cycloalkyl; R4 = halo, or 1-6C alkyl or alkoxy; R5 = 1-6C alkyl; X, Y = CO or SO2; n = 1, 2, or 3; p = 0 or 1; Z = S or O; A = a gp. of formula (i) or -NR6-CHR7-; A1 with the N and CH forms a 2-azabicyclo(2,2,2)octane, 2-aza bicyclo(2,2,1)heptane, perhydroindole, perhydroisoindole, indoline, isoindoline, perhydroquinoline, perhydroisoquinoline, 1,2,3,4-tetrahydroisoquinoline, 1,2,3,4-tetrahydroquinoline, cyclopenta(b)pyrrolidine, 1,3-thiazolidine, or pyrrolidine ring, R6 = H, 1-6C alkyl, 3-6C cycloalkyl, or indan-2-yl, R7 = H, or 1-6C alkyl.