baber/WOPTO huggingface dataset:
Patent CA-1088883-A (CA)
Title: Beneficiation of heavy minerals from bituminous sands residues by dry screening
Inventor: TREVOY LLOYD
IPC: B07B9/00
Filed: 1977-11-01
Granted: 1980-11-04
Abstract: "BENEFICIATION OF HEAVY MINERALS FROM BITUMINOUS SANDS RESIDUES BY DRY SCREENING"                 ABSTRACT OF THE DISCLOSURE              The titanium and zirconium-based minerals, present in the first stage centrifuge tailings from the hot water process for extraction of bitumen from bituminous sands, may be concentrated by a dry screening process.  The tailings are burned off to provide a dry, essentially carbon-free, mineral mixture.  By screening the mixture into three streams of different particle size range, silica and clays may be rejected as coarse and fine materials respectively, while titanium and zirconium minerals may be concentrated in the intermediate stream.  The titanium and zirconium concentrate stream may be advanced to high tension and magnetic separation steps known in conventional processing of heavy minerals, for further beneficiation.
Patent CA-1099769-A (CA)
Inventor: SIMONS JOHN R
IPC: A62C37/09
Filed: 1977-11-16
Granted: 1981-04-21
Abstract: CONCEALED SPRINKLER HEAD                 Abstract of the Disclosure An improved concealed sprinkler head for an automatic sprinkler system.  The sprinkler head includes an orifice body that is mounted above the ceiling of the building and is con-nected to the water line.  The body has an outlet which is normally closed by a valve cap, and the cap is held in the closed position by a lever assembly which includes a lever and a leaf spring.  The lever has a pair of parallel spaced arms and a tube, which houses a fusible metallic element, extends between the arms.          Balls are located within the ends of the tube on either side of the fusible element and impressed into the ends of the element, and the balls are engaged with sockets in the arms.  One end of the lever is engaged with an abutment on the valve body and the opposite end of the lever is engaged with the leaf spring which a is fulcrummed on the abutment.  The leaf spring bears against the tube and urges the tube in a downward direction.  A decorative plate is positioned against the ceiling and is connected by a fusible material to a cup-shaped plastic sleeve that is slidable on the body.  When the decorative plate is exposed to an elevated temperature, the fusible material will melt enabling the decora-tive plate to be released, and subsequently the fusible element associated with the lever assembly will melt to release the lever assembly and open the valve cap.
Patent CA-1103533-A (CA)
Inventor: HANSEN UWE
IPC: F28D20/00
Filed: 1978-01-09
Granted: 1981-06-23
Abstract: Abstract of the Disclosure:            Method of low-loss thermal energy storage in and withdrawal from a heat accumulator connected with an energy source and a heat consumer in a circulatory system through which a heat-carrying flow medium circulates which includes passing the flow medium through the energy source so as to withdraw thermal energy from the energy source and effect absorption of the thermal energy by the flow medium,guiding the flow medium in respective layers with-in the heat accumulator in a direction from the center of the heat accumulator toward the periphery thereof so as to store the thermal energy in a heat storage mass disposed in the heat accumu-. lator; and guiding the flow medium in the layers thereof through the heat accumulator in a direction from the periphery of the heat accumulator to the center thereof, and passing the flow medium from the heat accumulator through the consumer so as to withdraw thermal energy therefrom and transfer it to the consumer; and apparatus therefor.
Patent CA-1097167-A (CA)
Inventor: CARLSON INGEMAR
IPC: F24S23/74
Filed: 1978-02-13
Granted: 1981-03-10
Abstract: ABSTRACT OF THE DISCLOSURE          A solar heater having a reflector which focuses sun rays onto a solar heat absorbing collector.       The collector consists of a transparent vacuum flask with a novel highly efficient collector cell including heat-transfer transparent fluid therein.  The collector comprises a center support in the form of a metal inlet pipe and a series of frusto-conical heat-absorbing cones and intervening sleeves clamped to the pipe.  The cones are formed of thin aluminum and have highly polished reflective interior sides,  the exterior sides of the cups as well as the sleeves are blackened.  The reflector is arranged to focus the rays perpendicularly to the flask so that the heat absorbing exterior sides of the cones which have an angle of incidence reflect the rays axially of the tube into the interior sides of the adjacent cones, which being arranged at preferably 45° to the axis of the tube, reflect the rays against the intermediate black sleeve.  The heat absorbed by the metal is transferred to fluid which is circulated through the flask to a use apparatus such as a bailer, turbine, etc.
Patent CA-1094596-A (CA)
Title: Cross-country boot and ski binding
Inventor: BENSELER HANS
IPC: A63C9/20
Filed: 1978-02-22
Granted: 1981-01-27
Abstract: ABSTRACT OF THE DISCLOSURE             A ski binding wherein a cross-country ski boot is attached to a ski by way of an extension portion of an outer sole projecting beyond a forwardly located tip of the ski boot. The extension portion has on its top side a transversely oriented rib-like bulge. A reinforcing insert is arranged in the outer sole of the cross-country ski boot with the insert extending at least from a ball portion of the outer sole into a zone of the rib-like bulge. A fastening arrangement is provided for clampingly engaging the rib-like bulge with the fastening arrangement extending in a claw-like manner over the rib-like bulge so as to clampingly engage the bulge.
Patent CA-1092252-A (CA)
Inventor: POGGE H BERNHARD
IPC: H01L27/00
Filed: 1978-02-23
Granted: 1980-12-23
Abstract: TOTAL DIELECTRIC ISOLATION                          Abstract A process which utilizes an anodized porous silicon technique to form dielectric isolation on one side of a semiconductor device is described.  Regions of silicon semiconductor are fully isolated from one another by this technique.  The starting water typically is pre-dominently P with a P+ layer thereon.  A P or N layer over the P+ layer is formed thereover such as by epitaxial growth.  The surface of the silicon is oxidized and a photoresist layer applied thereto.          Openings are formed in the photoresist.  Openings are formed in the silicon dioxide using the photoresist as a mask and appropriate etch-ing techniques.  The openings in the silicon dioxide define the re-gions to be etched by reactive ion etching.  Reactive ion etching is accomplished at least down to the P+ region.  The structure is then subjected to the anodic etching technique which preferentially attacks the P+ layer to form porous silicon throughout the P+ layer.  The structure is then placed in a thermal oxidation ambient until the porous silicon layer has been fully oxidized to silicon dioxide.  The openings through the surface layer are filled up with oxide to fully isolate the P or N surface layer.
Patent CA-1091806-A (CA)
Title: Procede de codage magnetique
Inventor: MICHAUD ANDRE
IPC: G06K19/08
Filed: 1978-03-23
Granted: 1980-12-16
Abstract: Procédé de codage magnétique caractérisé par la superposition d'un premier message binaire ineffaçable à fréquence donnée et d'un message binaire à fréquence double en phase spatiale.  Application aux cartes de crédit à piste magnétique.
Patent CA-1094606-A (CA)
Inventor: MARK WERNER J
IPC: B60P1/56
Filed: 1978-03-29
Granted: 1981-01-27
Abstract: ABSTRACT OF THE DISCLOSURE              A hopper gate and pneumatic actuating mechanism for controlled discharge of bulk materials from a bottom-unloading vehicle are described.         The hopper gate comprises an arcuate closure plate pivotally mounted by wedge shaped end plates below a rectangular hopper opening, said hopper opening having one edge defining the end of a hopper end elevated higher than the opposed edge defining the other hopper end wall.           The pneumatic actuating mechanism comprises a pair of opposed air bags selectively expanded by an air supply and operatively connected to the closure gate by a linkage system for opening and closing the gate.
Patent CA-1108007-A (CA)
Inventor: MILGRAM JEROME H
IPC: F04B43/06
Filed: 1978-04-14
Granted: 1981-09-01
Abstract: ABSTRACT OF THE DISCLOSURE           There is disclosed in the present application a double acting diaphragm pump including a two part hollow housing which defines two pumping chambers, one on each side of the diaphragm.          A pumping stroke is imparted to the diaphragm by means of a hydraulic actuator contained within the housing and including a cylinder connected to the diaphragm and supplied with hydraulic fluid through a hollow connector which also clamps the two parts of the housing together on the margin of the diaphragm.
Patent CA-1106501-A (CA)
Inventor: DLUGOS DANIEL F
IPC: G06F11/32
Filed: 1978-06-02
Granted: 1981-08-04
Abstract: ABSTRACT OF THE DISCLOSURE       In a data processing system wherein operator entry of data is provided an array of alpha numeric display units is utilized not only for indicating operand entries and operating results, but also as an operator message prompting medium for steering the operator to correct operand entry or system errors. Upon processor recognition of a particular entry or other errors an assigned error signal is generated which blocks the operand or operation result signal from the display units.  In one embodi-ment the error signal is received at a programable logic array associated with each display unit to provide a signal for access-ing a memory which in turn provides the appropriate letter pat-tern signal for the display unit to spell out an error prompt message.  An alternate embodiment provides for serial generation of the letter pattern signals for each display unit and rapid sequential actuation of the display units to spell the prompt message.
Patent CA-1083400-A (CA)
Inventor: SHANIS ARNOLD A
IPC: F24F9/00
Filed: 1978-06-05
Granted: 1980-08-12
Abstract: ABSTRACT OF THE DISCLOSURE An air barrier device using pressurized swirls for creating an air curtain barrier across a building opening, such as a door or window, to reduce heat transfer and thereby reduce both winter and summer energy losses. The device comprises a housing with an air intake for mounting within the building above the opening to be protected, a number of air discharge ducts having internal means for whirling the air passing therethrough and arranged to discharge the air down-wardly across the opening as a series of distinct adjacent, oppo-sitely rotating, pressurized swirls to form an air curtain barrier to energy transfer in either direction through the opening, and a blower mounted in the housing to receive air from the intake and discharge it through the ducts.
Patent CA-1113188-A (CA)
Inventor: KEY BRIAN D
IPC: G06F17/24
Filed: 1978-06-14
Granted: 1981-11-24
Abstract: ABSTRACT          Text processing apparatus comprises a keyboard, a video display and a message buffer containing text to be displayed.  When a word is too long to be contained on a display line, it automatically overspills and will form the first word on the next line.  The mechanism for doing this includes a word boundary counter which keeps track of the starts of words as they appear in the message buffer.          This also allows such features as word underscore and word delete to be performed.
Patent CA-1106563-A (CA)
Inventor: CARR PAUL L I
IPC: D02J1/22
Filed: 1978-08-17
Granted: 1981-08-11
Abstract: ABSTRACT           PROCESS FOR THE MANUFACTURE OF POLYAMIDE YARNS           Manufacture of polyamide yarns by a high speed draw spinning process in which the yarns are passed through defined fluid environments.  Yarns are comparable in properties with conventional spin-lag-draw yarns.
Patent CA-1102822-A (CA)
Title: Indan-5-yl n-alkyl-carbamic acid esters and their use  as plant protection agents
Inventor: GROTKOPP DETLEF
IPC: A01N47/22
Filed: 1978-08-30
Granted: 1981-06-09
Abstract: ABSTRACT OF THE DISCLOSURE 3,3-Dimethylindan-5-yl N-alkyl-carbamic acid esters of the formula   in whlch R1 is alkyl, R2 is hydrogen or alkyl, and R3 and R4 each independently is chlorine or alkyl, which possess fungicidal and arthropodevelopment-inhibiting properties.
Patent CA-1132862-A (CA)
Inventor: TANAKA MINORU
IPC: C08G18/00
Filed: 1979-01-30
Granted: 1982-10-05
Abstract: ABSTRACT OF THE DISCLOSURE         A polyurethane elastomer which comprises a reaction product of (A) a polymeric diol having a molecular weight of about 800-5000, (B) a mixture of organic diisocyanates wherein about 2-70 mol % is composed of aliphatic diisocyanate (said aliphatic diisocyanate having no direct bond between an aromatic ring and an isocyanate group) and wherein the balance 98-30 mol % is composed of aromatic diisocyanate which includes a direct bond between an aromatic ring and an isocyanate group, and (C) a chain ex-tender comprising hydrazine and/or a derivative having the formula NH2NHR and another chain extender having two functional groups constituting amino and/or hydroxyl groups, and wherein about 30-80% of the carbon atoms which are bonded to nitrogen atoms constituting the ureylene and/or ure-thane bonds of said polyurethane elastomer constitute benzene and/or naph-thalene ring skeletons, and wherein about 2-70% of the ureylene bonds of said polyurethane elastomer are formed by the reaction of aliphatic diiso-cyanate and hydrazine and/or its derivative having the formula NH2NHR.  The polyurethane elastomer may be used to impregnate a fibrous sheet for the formation of a composite sheet material having improved durability.
Patent CA-1105854-A (CA)
Inventor: HOLCOMB ORLA L JR
IPC: F16D65/14
Filed: 1979-02-14
Granted: 1981-07-28
Abstract: BAND BRAKE ASSEMBLY                       ABSTRACT OF THE DISCLOSURE The present invention relates to an improvement in a band brake wherein a plurality of rotors and stators provide for braking a rotatable member when a friction lining on the band brake is engageable with the rotatable member.  The rotatable member carries an axially extendible assembly which is engageable with the friction lining to provide for extension of the axially extendible assembly.  When the assembly is extended, the rotors which rotate with the rotatable member and the stators which are carried by a support housing are moved axially into frictional engage-ment with each other.  The extendible assembly comprises a first element carried by a key on the rotatable member to impart rotation with the rotatable member and permit axial movement relative to the rotatable member, and a second element resiliently connected to the first element. The first element and second element include a cam therebetween such that when the second element engages the friction lining of the band brake, the second element rotates through a limited angle relative to the first element to increase the axial spacing between the elements by the action of the cam.  The first element is also engageable with the friction lining to eliminate noise and instability in the action between the elements and the cam.  In order to engage the friction lining with the rotatable member, the support housing forms a hydraulic actuator with at least one piston and a pair of links which are pivotably connected to each other cooperate with the friction lining when the hydraulic actuator is operated to contract the friction lining into engagement with the rotatable member.
Patent CA-1085184-A (CA)
Inventor: BRAUN DAVID L
IPC: G01N1/22
Filed: 1979-04-30
Granted: 1980-09-09
Abstract: ABSTRACT           An Improved monitoring device for measuring the amount of a selected component, e,g., environmental con-taminant  in a fluid mixture is disclosed.  The improvement comprises forming the walls of the device so that the molecules diffusing into the device converge or diverge between the entrance and the collecting layer.  This allows for control of sensitivity.  Multi-cell devices wherein sensitivity varies from cell to cell are also disclosed.
Patent CA-1109811-A (CA)
Inventor: STONER LARRY L
IPC: F16D43/18
Filed: 1979-06-05
Granted: 1981-09-29
Abstract: ABSTRACT OF THE DISCLOSURE         A centrifugal clutch has an axially extending hub formed with a central bore for receiving and mounting the clutch on a drive shaft.  A drive flange is attached to the hub for rotation with the hub when it is rotated by the drive shaft, A pair of clutch shoes is pivotally mounted on the drive flange in an end-to-end relationship with respect to each other by a pair of pivot pins.  Extension springs bias the swinging ends of the clutch shoes toward retracted position.  The clutch shoes are adapted to move outwardly under the influence of centrifugal force and overcome the biasing effect of the springs to driving-ly engage a concentrically mounted clutch housing.  Bach of the clutch shoes has an arcuate-shaped web and all outer shoe table with a strip of frictional material being mounted on the table. An inwardly extending projection is formed integrally as a part of each shoe web adjacent the respective pivot pin and is adapted to abut against the hub when the shoes are in retracted position to prevent further inward movement of the shoes due to the biasing of the springs.
Patent CA-1154958-A (CA)
Inventor: TORRES LEZA FERNANDO
IPC: G01B3/00
Filed: 1979-07-17
Granted: 1983-10-11
Abstract: ABSTRACT. This invention relates to a triaxial programmable module, appliable to the assembly and testing of machine tools and their control ele-ments, as well as of another power systems based on mechanical, hy-draulic, pneumatic or electrical energy, which enables fixed struc-tures assembly, practically made in a variable stiff shape, distin-guished by having, paralel to each of the axis X, Y, Z of a carte-sian coordinates system, at least one piercing guide, which cross spacialy all other perpendicular guides without intersect them, as well as a variable number of kinematics programming devices acting over the movements of one or more guides.
Patent CA-1160660-A (CA)
Inventor: FISCHER KLAUS H
IPC: F16B45/06
Filed: 1979-08-03
Granted: 1984-01-17
Abstract: ABSTRACT         A separation device for connecting together an aero-dynamic braking device and a payload, comprising:  holding parts assembled together and provided with suspension means through which a first suspension element connecting the braking device to said separating device passes, these holding parts being movable relative to one another for forming a closed opening.  A second suspension element connecting the payload to the separating device, this second suspension element passing through the closed opening of said holding parts and carrying a payload.  Holding means are provided for maintaining the holding parts in a position forming the closed opening and release means cooperating with at least  one of the holding parts for automatically freeing the suspension element from the opening formed by the holding parts when the second suspension element is relieved of its payload.
Patent CA-1107551-A (CA)
Inventor: HALTSONEN EINO J
IPC: D21F1/26
Filed: 1979-08-10
Granted: 1981-08-25
Abstract: ABSTRACT OF THE DISCLOSURE         The present invention provides a method of changing fabrics, including wires, in paper machines, in which a fabric loop is to be positioned so as to encircle rolls in the paper machine, comprising providing a special inflatable changing bag, the vertical cross section of which in the machine direction sub-stantially conforms to the configuration of the fabric loop's run, and placing the changing bag, with the fabric loop encircling it on one side of the paper machine at the point where the fabric is to be placed on the machine and thereafter transferring the fabric onto the paper machine so as to encircle the rolls thereof while the changing bag supports the fabric in the proper shape.
Patent CA-1124284-A (CA)
Inventor: GRANINGER FRANK J
IPC: H01H50/32
Filed: 1979-08-15
Granted: 1982-05-25
Abstract: MECHANICAL LATCH APPARATUS               Abstract of the Disclosure A mechanical latch attachment (20) for a control relay (21) includes a mechanical latch movement (77), a solenoid (49), and a pair of contact cartridges (33) that are disposed in a housing (25).  The wear-resistant latch movement (77) has a latch (95) with teeth (103) on one end that are engaged by a pair of pivotable, hooked pawls (105).  The latch (95) is coupled to an operating plunger (79) through a contact actuator (82).  The operating plunger (79) can be coupled to a conventional control relay (21), which moves the plunger (79) upon the closing of its relay armature (30) to actuate the contacts (35, 36) in both the relay (21) and the attachment (20) and to move the latch (95) to a position where it is restricted by the pawls (105).  The restriction of the latch (95) holds the relay armature (30) closed and the contacts (35, 36) actuated even though the relay (21) is deener-gized.  The solenoid (49) has an armature (62) that can be moved mechanically or electrically to release the latch (95) from the pawls (105).  A high-compression spring (89) coupling the plunger to the contact actuator (82), protects the latch movement (77) from shock forces that might be encountered during shipment or abnormal handling.  Relays with a mechanical latch attachment provide quiet operation and retain their operated state even in the event of a power failure.
Patent CA-1116837-A (CA)
Inventor: HAMMER GANZ G JR
IPC: G03F7/22
Filed: 1979-08-20
Granted: 1982-01-26
Abstract: Abstract of the Disclosure A method for making an air cooled combustor of the slot film cooled type including artificially roughened convective channels to cool the liner wall components of a combustor for a gas turbine engine including the steps of:  preforming a combustor wall segment having a curved surface thereon for directing cooling air from exteriorly of the combustor across inner wall surfaces thereof; coating the curved sur-face with photosensitive material; preparing a photo-transparency having a crosshatch grid thereon of continuously curved intersecting lines and thereafter projecting the crosshatch grid pattern against the photosensitive material on the conical surface to produce an exposed, uniform straight line grid pattern on the photosensitive material and thereafter photo-etching the uniform straight line pattern into the metal of the surface to produce a uniform array of raised lands across the curved surface of the wall segment for producing a uniform cooling of the por-tions thereof having convective air flow thereacross.