baber/WOPTO huggingface dataset:
Patent CA-2083473-C (CA)
Title: Method and apparatus for solution mining
Inventor: ROSAR EDWARD C
IPC: E21B47/08
Filed: 1992-11-20
Granted: 1995-02-07
Abstract: Evaporite  mineral  solution  mining  process  and  apparatus comprising the steps of undercutting a bed or massive deposit by in-air jetting with an aqueous solution followed by solution mining of the mineral above the undercut with monitoring and control to cease the solution mining when the roof rock is adequately exposed to maintain a stable roof and stable pillar support.   The resulting cavity exhibits steeply angled, nearly vertical sidewalls, flared upwardly and outwardly only 10° to 15° from the vertical plane normal to the edges of the undercut as compared to 45° typical for morning glory cavities.  A first plan vertical production well is drilled with a sump provided substantially adjacent to the floor rock.  A second  horizontal  well  is  developed  up  dip  to  intersect  and communicate with the production well.  The air jet tool mechanism provides horizontal, slightly upwardly inclined jets (0°-15°) which cut the mineral  laterally on both sides of the tool which is gradually withdrawn up dip as the undercut progresses.  The tool also includes an EMR ranging system, preferably a radar system, and a MWD unit to transmit data to the surface.  This permits undercut width control to develop a substantially rectangular undercut profile.  The subsequent  controlled  solution mining  provides  a  substantially rectangular room throughout the entire horizontal  length which provides  improved mineral  recovery,  steeply angled pillar wall profiles and controlled roof span and increased dissolution rate. The method and apparatus is applicable to beds having dips from 0-90° and multiple beds with or without partings.
Patent CA-2086138-C (CA)
Title: Laser-formed electrical component and method for making same
Inventor: PERSON HERMAN R
IPC: H05K1/16
Filed: 1992-12-23
Granted: 1999-09-14
Abstract: An electrical component includes a plurality of laminated layers 34, 44, 53, 64, of ferrite material, each layer having a conductive coil 40, 50, 58, 70 printed thereon. The conductive coil :is formed by first printing a conductive sheet material 36, 48, 56, 68 on top of the ferrite layer, and then by exposing the conductive sheet material to a burst of laser energy focused in a predetermined pattern which cuts the coil out of the conductive sheet member.
Patent CA-2086485-C (CA)
Title: Specimen package
Inventor: LEVY ABNER
IPC: C12M1/26
Filed: 1992-12-30
Granted: 1999-03-23
Abstract: A specimen package for a medical specimen slide comprises a sheet of packaging material with panels adapted to be folded to enclose a slide.  Two U-shaped cuts are provided in the sheet of material with the end portions of one of the U-shaped cuts being oriented away from the end portions of the other of the U-shaped cuts to form a retaining band extending between the cuts and under which the slide is inserted and retained.
Patent CA-2087877-C (CA)
Title: Method of manufacturing a rotating anode x-ray tube
Inventor: SUGIURA HIROYUKI
IPC: H01J35/10
Filed: 1993-01-22
Granted: 1999-01-12
Abstract: A method of manufacturing a rotating anode X-ray tube comprises the steps of:  providing an anode structure having a rotary axis and an anode target; providing a rotary structure to which the anode target is fixed and a stationary structure for rotatably supporting the rotary structure, one of the rotary and stationary structures having an opening; injecting a liquid metal lubricant having a predetermined volume through the opening into one of the rotary and stationary structures; applying liquid metal lubricant to dynamic pressure type bearing sections having helical grooves and bearing gap and positioned between the rotary and stationary structures and to a reservoir communicated with those bearing sections and formed in one of the rotary and stationary structures, the predetermined volume of the liquid metal lubricant being within a range of 20% to 70% of the total volume of the bearing sections and reservoir; closing the opening in one of the rotary and stationary structures so as to have a small gap in a liquid tight state; locating the anode structure in an envelope and arranging a cathode so as to oppose the anode target in the envelope; evacuating the envelope; repeatedly changing the posture of the X-ray tube between a vertical position in which the rotary axis is set to be vertical and an inclined position in which the rotary axis is set to be either horizontal or inclined, during the evacuation of the X-ray tube; energizing the X-ray tube to rotate the rotary structure and cause the cathode to emit an electron beam to land on the anode target during the evacuation of the X-ray tube; and sealing the envelope.
Patent CA-2088811-C (CA)
Inventor: MEYER PAUL
IPC: A47K/
Filed: 1993-02-04
Granted: 1998-05-12
Abstract: A dispenser for soap lather has a vessel for a larger supply of liquid soap and a tank for a smaller supply of liquid soap and for a body of air above the smaller supply.  One or more bellows are used to pump compressed air into the upper portion of the tank when a user desires to obtain a batch of lather.  The compressed air expels a certain quantity of liquid soap from the tank into a lather generator and the lather generator further receives some compressed air to form a batch of lather which is dispensed into or onto the hands of a user.  When the bellows expands or expand, they can draw air into or along the outlet of the lather generator to retract any remnants of lather.  Alternatively, a discrete pump can be provided to blow out any remnants from the lather generator in response to or during expansion of the bellows.   The discharged quantity of liquid soap is replenished in the tank by way of an adjustable conduit connecting the vessel with the tank.
Patent CA-2091221-C (CA)
Title: Rubber/plastic co-extrusion
Inventor: POWERS THOMAS O
IPC: B29C48/17
Filed: 1993-03-08
Granted: 1999-08-10
Abstract: Abstract of the Disclosure The present invention provides a non-rusting unitary co-extruded article, which may be used for a variety of purposes, including a seal.  The co-extruded article is comprised of at least two dissimilar discrete parts such as a rubber component, referred to herein as the "rubber extrudate," and a thermoplastic component, referred to herein as the "plastic extrudate."  A particular  advantage  of  the  invention  is  that  the  rubber extrudate and thermoplastic extrudate are cohesively joined at their interface.  By cohesively joined, it is meant that the two extrudates stick together tightly without the necessity of a separate  adhesive.     Where  hardness  is  desired  of  the thermoplastic extrudate,  ethylene vinyl acetate is generally preferred.   Where a seal  is desired,  the rubber extrudate comprises ethylene propylene diene rubber,  which provides a suitable seal.  The invention also relates to a method for making the same.   462\21867ABB.20A
Patent CA-2095173-C (CA)
Title: Ethylene copolymerization process
Inventor: MCDANIEL MAX PAUL
IPC: C08F210/16
Filed: 1993-04-29
Granted: 1997-02-04
Abstract: A process as disclosed for producing a low density polyethylene using a particle form polymerization process and a titanium-containing catalyst wherein the ratio of comonomer to ethylene is at least about 1:1 and the titanium-containing catalyst is a special catalyst which has been pretreated with an organometallic reducing agent.
Patent CA-2096713-C (CA)
Inventor: BIL MARTINE
IPC: C09K23/18
Filed: 1993-05-20
Granted: 2000-01-18
Abstract: The subject of the invention is dewetting or degreasing compositions based on halogenated aliphatic solvents containing, in solution, at least one fluorinated amine monoalkyl or dialkyl phosphate, at least one quaternary ammonium monoalkyl or dialkyl phosphate and optionally a quaternary ammonium chloride.
Patent CA-2097121-C (CA)
Title: Compressor air tank plug
Inventor: PHILLIPS ALAN G
IPC: F16T1/38
Filed: 1993-05-27
Granted: 1995-02-14
Abstract: COMPRESSOR AIR TANK PLUG                        Abstract An anti-corrosion plug for closing a threaded condensate drain opening in a compressor air tank.  The plug is formed from a material having a lower potential in the electrochemical series than said air tank to prevent electrolytic corrosion of the tank.  The plug has a central cavity open to receive any condensate in the tank.  An acid neutralizing insert, for example, of limestone, is located in the cavity to neutralize any acidity in the tank condensate.
Patent CA-2098303-C (CA)
Inventor: PANG ROY H L
IPC: A61L24/10
Filed: 1991-12-10
Granted: 2001-03-20
Abstract: This invention pertains to a synthetic adhesive composition for use in aqueo us environments. The composition comprises polypeptide chains having an .alpha.-helical structure in aqueous environmen ts and capable of cohesive and adhesive interactions. The polypeptide chains comprise polar and apolar amino acids, the apolar and pol ar amino acids being arranged to define apolar and polar vertical spiraling stripes on the helix surface. The apolar strips  allow the polypeptide chains to aggregate into superhelical structures and the polar stripes allow interchain crosslinking within and between the superhelical structures.
Patent CA-2099456-C (CA)
Title: Spacing means for reflex pin block
Inventor: CAROLI ITALO
IPC: B29D11/00
Filed: 1993-06-30
Granted: 1997-02-18
Abstract: Spacers or wedges are disclosed for use in combination with mold elements such as lens and/or reflex reflector pins in a pin block or matrix assembly.  Such assemblies are used in the manufacture of molds for producing, for example, front and/or rear light units for motor vehicles.  The wedges or spacers are selectively located between rows or banks of reflex or optic pins to provide required orientation to selected groups of the pins so that the necessary reflectivity of the finished product is provided in the curved portion thereof.
Patent CA-2103838-C (CA)
Title: Novel 7-(substituted)-8-(substituted-9-[(substituted glycyl)amido]-6-demethyl-6-deoxytetracyclines
Inventor: SUM PHAIK-ENG
IPC: C07C/
Filed: 1993-08-11
Granted: 2006-03-14
Abstract: The invention provides compounds of the formula:      wherein R, R3, R4, X and W are defined in the specifi-cation. These compounds are useful as antibiotic agents.
Patent CA-2108496-C (CA)
Title: Handgun holster with internal retention device
Inventor: MARX THOMAS A
IPC: F41C33/02
Filed: 1993-10-15
Granted: 1999-06-15
Abstract: A handgun holster has a body that includes inner and outer sides.  A catch projects into a handgun receiving pocket toward the inner side.  The catch extends within and engages the trigger guard of a handgun carried in the pocket, preventing the handgun from being removed from the pocket.  A part of the inner side or a resiliently movable structure associated with the inner side is moveable away from the end of the catch in response to outward pressure, to provide clearance for the trigger guard to pass by the catch so that the handgun can be removed from the holster only when the handgun is manipulated appropriately by the wearer.  The catch includes a cam surface so that the trigger guard will slide past the catch when the handgun is placed into the holster.
Patent CA-2108762-C (CA)
Inventor: LEEN MONTE A
IPC: F21V21/088
Filed: 1993-10-19
Granted: 1997-04-29
Abstract: A halogen clamp light (11) comprising a halogen light (13) adjustably attached to one end of a rigid, elongate support (17) is disclosed. The halogen light (13) includes a housing (19), a halogen bulb (37), a reflector (35), a glass lens (29), and a protective grill (31, 33). A spring-loaded clamp is attached to the other end of the elongate support. The elongate support (17) includes a cavity that houses an on-off switch (71). The adjustable attachment includes a threaded shaft (53) that extends through a flange (41) that protrudes rearwardly from the housing (19). A manually adjustable locking nut (63) clamps the flange (41) to the elongate support (17) after the housing is adjusted to the desired position. A plastic bushing (55) is located between the flange (41) and the elongate support (17). Further, a hook (99) extends longitudinally outwardly from the cavity end of the elongate support (17).
Patent CA-2110129-C (CA)
Inventor: SMOCK STEVEN WILLIAM
IPC: F16L19/10
Filed: 1993-11-26
Granted: 1999-01-05
Abstract: An apparatus and method for connecting a residential water line to a household appliance, solenoid controlled, inlet water valve such as that used on a refrigerator freezer icemaker is disclosed. A residential water line, typically a 0.25 inch (0.635 cm) diameter copper or plastic line, is connected to an all plastic inlet connector. The inlet connector has an integral ferrule seat. A ferrule nut designed to cooperate with the ferrule seat is slipped over the water line. The water line is positioned against a shoulder in the inlet connector that properly positions the water line. The ferrule nut is tightened to seal and fix the water line in the inlet connector.
Patent CA-2110319-C (CA)
Inventor: KREMP HEINZ
IPC: B65D85/66
Filed: 1993-11-30
Granted: 2005-03-29
Abstract: An end wall 1 is composed of a plate 11 which forms, on the front side, a flat surface with an annular attachment 35, whereas the reverse side is reinforced by radial ribs 5 and annular ribs 14. The radial ribs 5 are stiffened by webs 32 which run perpendicular to the plate 11. Further webs 33 reinforce rounded webs 17 of locking lugs 4. On the front side of the plate 11 is disposed a central plug-in peg 2 which is surrounded by the annular attachment. Three sides walls 13 of the plate 21 are provided with stacking lugs 9, 19 which delimit stacking pockets 8, 18 which are designed in a manner complementary to the stacking lugs. The fourth side wall 30 of the end wall has a corrugation 31 and, in the case of a wound roll packaged with the end walls; lies on a pallet. The annular attachment prevents contact between the edge region of the wound roll and the end wall thereby avoiding compressions in the edge region of the wound roll.
Patent CA-2116332-C (CA)
Title: Programme logic cell and array
Inventor: FURTEK FREDERICK C
IPC: H03K19/177
Filed: 1992-08-28
Granted: 2001-12-11
Abstract: An improved programmable logic cell (1) for use in a programmable logic array comprising cells which are arranged in two-dimensional matrix of rows and columns and are interconnected by a two-dimensional array of direct connections between a cell (1) and its four nearest neighbors, one to its left (or to the West) (3a, 3b, 7a, 7b) and one to its right (or to the East) (5a, 5b, 9a, 9b), one above it (or to the North) (2a, 2b, 6a, 6b) and one below it (or to the South) (4a, 4b, 8a, 8b). Each cell receives input (s) from each of its nearest neighbors and addition-al inputs) from a bus, pin, or neighbor and may be programmed to generate a variety of logical func-tions at its outputs which connect to the cell's four nearest neighbors. The core of the improved logic cell (fig.2) comprises two upstream gates (21, 23) the outputs of which feed two downstream gates (28, 41), one of which is an exclusive-OR gate (28) which feeds a downstream register (33). Additional programmable connections and other logic aug-ment the cell core to produce cell embodiments which can be configured to efficiently implement various logical functions. Among the functions which may be implemented by the improved cell are a number of two-level combinational functions (such as multiplexing) and sequential functions (such as counting and shifting). A variety of cell embodiments based on the improved cell core are illustrated.
Patent CA-2127817-C (CA)
Title: Tobacco filters and method of producing the same
Inventor: TSUGAYA HITOSHI
IPC: A24D3/14
Filed: 1994-07-12
Granted: 2007-07-03
Abstract: A filter rod is produced by adding a water-soluble polymer in the form of an aqueous solution or dispersion, or in a particulate form, to a tow of cellulose ester fiber, with the amount of any water used being controlled within 25 parts by weight relative to 100 parts by weight of the tow, and wrapping the treated tow in wrapping paper. The water contained in the filter rod is removed or the particulate water-soluble polymer is melted by heating to bond the fiber to provide a tobacco filter. The proportion of the water--soluble polymer is 0.5 to 30 parts by weight to 100 parts by weight of the tow. To reduce the amount of water relative to the tow, a hot-melt adhesive water- soluble polymer may be employed. As the amount of water added to the tow is thus decreased, the tow can be smoothly wrapped up even at a high speed so that filter productivity is improved. This tobacco filter is highly wet-disintegratable and, hence, contributes to mitigation of the environmental pollution.
Patent CA-2134718-C (CA)
Title: Bidirectional road traffic sensor
Inventor: BERGAN TERRY
IPC: G08G1/02
Filed: 1994-10-31
Granted: 1998-06-09
Abstract: A bidirectional piezoelectric road traffic sensor is provided herein.  It includes a first length of a coaxial piezoelectric cable having an electrically-conductive core, an electrically-conductive polymer surrounding the core, an electrically-conductive   sheath   therearound   and   an electrically non-conductive jacket around the sheath.   A second length of a similar coaxial piezoelectric cable is provided.   A first splice is formed in a particularly recited manner.  This first splice is then encapsulated in an electrically non-conductive material, thereby providing a positive piezoelectric sensor.   A third length of a similar coaxial piezoelectric cable is provided.  A second splice is formed in a particularly recited manner.  This second splice is then encapsulated in an electrically non-conductive material,  thereby providing a neutral piezoelectric  sensor,  and  a  negative piezoelectric  sensor.          Preferably,   a  shielded  coaxial  cable  including  an electrically-conductive core,  an electrically-conductive sheath   and   an   electrically   non-conductive   jacket therearound is spliced by a third splice to the first piezoelectric cable in a particularly recited manner.  The third splice is encapsulated in an electrically non-conductive  material  to  provide  a  negative piezoelectric sensor.
Patent CA-2135510-C (CA)
Inventor: LECONTE CHRISTIAN
IPC: C21D1/40
Filed: 1994-11-09
Granted: 1999-09-21
Abstract: A conductor roll for use in the annealing of wire, such as copper wire, comprising a conductive substrate, such as copper, coated with a wear resistant layer of tungsten or tungsten based alloy in which the surface of the wear resistant layer has a roughness of at least 2 microns Ra.
Patent CA-2136925-C (CA)
Inventor: HABERSTROH JAMES A
IPC: B65B13/22
Filed: 1994-11-29
Granted: 1998-12-15
Abstract: A novel method and apparatus for feeding and tensioning a strap in a power strapping machine. The apparatus includes a strap feeding mechanism, a strap tensioning mechanism, and a pivoting roller carriage pivoted by a feeding and tensioning cam. The pivoting roller carriage first actuates the strap feeding mechanism to engage a portion of a strap and feed the strap toward a strap application assembly where the strap is formed in a loop about an object or group of objects. The strap feeding and tensioning mechanism actuates a first gripper that secures an end of the strap in the strap application assembly. The pivoting roller carriage then actuates the strap tensioning mechanism to engage a portion of the strap and apply a tension to the looped strap. The strap feeding and tensioning apparatus also actuates a second gripper that secures the tensioned strap in a closed loop about the package so that the strap application assembly may form a strap joint sealing the strap in the closed loop. In the event that the strap is not properly engaged by the first gripper, the strap will be fully retracted from the strap application assembly by the strap tensioning mechanism and the strap will be directed into a strap stretch-out housing where it will remain until the strap feeding mechanism again engages a portion of the strap and re-feeds the strap toward the strap application assembly. The weight and position of the strap disposed in the strap stretch-out housing prevents the strap from withdrawing entirely from the strap feeding mechanism thereby ensuring that the strap feeding mechanism will engage and re-feed the strap to the strap application assembly automatically.
Patent CA-2140468-C (CA)
Title: Percutaneous administration tape preparation
Inventor: HORI MITSUHIKO
IPC: A61K47/42
Filed: 1995-01-18
Granted: 2004-05-25
Abstract: There provided a percutaneous administration tape preparation which can attach well to the skin surface even in the case of the permeation of water after attaching and can be easily detached from the skin surface without giving the skin simulation such as peeling off and the injury of the horny layer. The percutaneous administration tape preparation comprises a sheet-form support, a drug-containing pressure-sensitive adhesive layer, and a separator, wherein the drug-containing pressure-sensitive adhesive layer comprises a uniform dispersed state containing from 50 to 95% by weight one or more kinds of elastomers, from 5 to 50% by weight a hygroscopic material, and a percutaneous absorption drug so that a part of the hygroscopic material contained therein remains on the applied surface at detaching the tape preparation from the applied surface.
Patent CA-2142309-C (CA)
Title: Method of increasing the spf rating and compounds suitable for increasing the spf rating of fibre or fabric
Inventor: THOMPSON BERNARD LEO
IPC: D06M13/41
Filed: 1993-08-12
Granted: 2007-06-26
Abstract: A method of increasing the SPF rating of a fibre or fabric, comprising the steps of providing a UVR absorber, applying the UVR absorber to a fabric having a density of less than 200 grams per square metre, whereby the UVR absorber is attached to the fibre and an application of less thant 3 % UVR absorber on weight of fibre produces an SPF rating of greater than 20 for the UVR absorber and fabric combination.
Patent CA-2146114-C (CA)
Inventor: HAWKINS JOHN T
IPC: F25C5/00
Filed: 1993-10-18
Granted: 1999-01-05
Abstract: An apparatus for dispensing both ice and chilled beverages, and more particularly an improved chilled beverage dispenser which has larger ice storage capacity and which incorporates an improved system of dispensing ice. The improved ice storage and dispensing system utilizes a circular rotating tray (20) and a paddle wheel (21) positioned in an intermediate cone chute (22) to dispense ice efficiently and in a regulated flow in combination with chilled beverages.
Patent CA-2148336-C (CA)
Title: Crosslinked compositions with improved mechanical performance
Inventor: THOMPSON SAMUEL A
IPC: B01J13/00
Filed: 1995-05-01
Granted: 2005-10-18
Abstract: This invention provides a method of controllably altering the water content of a hydrogel comprising treatment of said hydrogel with a liquid dehydrating composition. There is further provided a method of controllably altering the water content of a hydrogel-containing medical device. The medical devices of the present invention comprise a hydrogel having a controlled (or selected) water level ex vivo lower than the thermodynamic equilibrium water level when in vivo.      These medical devices comprise a hydrogel contacted with a liquid dehydrating agent, wherein said medical device has a lower water level ex vivo than the thermodynamic equilibrium water level when the medical device is in vivo.    In another aspect of the present invention is provided a method of medical treatment with a medical device which comprises inserting into the body a hydrogel-containing medical device which has been treated with an agent which boosts mechanical performance of the medical device by displacing water from the hydrogel.