baber/WOPTO huggingface dataset:
Patent CA-1098260-A (CA)
Title: Process for the acid bleaching of cellulose pulp with  peroxides
Inventor: FOSSUM GRETA K
IPC: D21C9/16
Filed: 1979-02-06
Granted: 1981-03-31
Abstract: ABSTRACT OF THE DISCLOSURE           A process is provided for the acid bleaching of cellulose pulp with peroxides at a pH within the range from about -0.5 to about 3, followed immediately by aqueous alkaline extraction of the dissolvable lignin without intermediate washing.
Patent CA-1138990-A (CA)
Inventor: LICHTBLAU GEORGE J
IPC: G01S13/76
Filed: 1979-02-09
Granted: 1983-01-04
Abstract: ABSTRACT     An antenna system for an electronic security installation comprising a pair of substantially identical planar multiple loop antennas respectively connected to the transmitter and receiver of the security system and providing an electromagnetic field of high intensity only in the interrogation region of the system while also discriminating against interferring signals originating outside of the interrogation region.  Each planar antenna includes two or more loops lying in a common plane with each loop being twisted 180° with respect to each adjacent loop to be in phase opposition.  The transmitting antenna and re-ceiving antenna are substantially identical in size and confi-guration, and each antenna has a total loop area of one phase equal to the total loop area of opposite phase.
Patent CA-1149777-A (CA)
Inventor: DE NORA VITTORIO
IPC: A61B1/233
Filed: 1979-03-27
Granted: 1983-07-12
Abstract: ELECTRODES FOR ELECTROLYTIC PROCESSES            ABSTRACT        Electrodes for electrolytic processes comprise an electrically-conductive and corrosion-resistant substrate, having a coating thereon which contains a solid solution of tin dioxide and bismuth trioxide, preferably in a ratio of 9:1 to 4:1 by weight of the respective metals.   This solid solution may form the active coating or an intermediate layer covered with other electrocatalytic materials or may be included in a multi-component coating having selective properties for halogen evolution and oxygen inhibition.
Patent CA-1131330-A (CA)
Title: Laser ceilometer with safety power-reduction feature
Inventor: FRUENGEL FRANK
IPC: G01S17/95
Filed: 1979-03-28
Granted: 1982-09-07
Abstract: ABSTRACT OF THE DISCLOSURE     A laser ceilometer emits a pulsed and narrow beam of visible or invisible laser radiation directly vertically upwards.          The effective power level of the emitted radiation is lower, but only by a safety margin, than can result in eye damage to naked-eye observers viewing the directly emitted beam directly, but is higher than the power level resulting in eye damage to an observer viewing the directly emitted beam directly through a telescope having an objective of 80 mm diameter.   When, in the course of cleaning or adjustment work, or for any reason, the ceilometer is tilted from its normal, vertically upwards aimed orientation towards a horizontally aimed orientation, by an angle of more than 10° with respect to the upwards vertical, the effective emitted laser power is reduced to a level additionally preventing eye damage to such telescope users, by automatic reduction  of the pulse amplitude, and/or the pulse duration, and/or the pulse repetition frequency, but without terminating the emission of laser radiation.  Alter-natively, the emission of laser radiation ceases altogether until the ceilometer reassumes its vertically upwards aimed orientation.     ]
Patent CA-1102671-A (CA)
Inventor: KAHLOW KURT J
IPC: B21D9/12
Filed: 1979-04-02
Granted: 1981-06-09
Abstract: TUBE FORMING PROCESS                    ABSTRACT OF THE DISCLOSURE   A method of forming a tube by pushing it through a tilted die to form a bend or change circumferential variations in wall thickness.
Patent CA-1106196-A (CA)
Inventor: BOTES VERNON J
IPC: E21D20/02
Filed: 1979-05-04
Granted: 1981-08-04
Abstract: ABSTRACT OF THE DISCLOSURE            A rock formation may be stabilised by introducing a settable stabilising substance into boreholes around non-load bearing filler elements in the boreholes, and allowing the substance to set.     The use of filler elements reduces the volume of a settable substance needed in the holes.  Thereby the cost is reduced because the filler elements may be of a less expensive material than the settable substance.  Different types of filler elements are also disclosed.
Patent CA-1112584-A (CA)
Inventor: ADAMS THOMAS C
IPC: B65G17/02
Filed: 1979-05-25
Granted: 1981-11-17
Abstract: CONVEYOR BELT ATTACHMENT MEANS               Abstract of the Disclosure An apparatus for the quick connection and discon-nection of a movable filter belt to a conveyor chain. A projection arm is attached to the conveyor chain, with a portion of the arm extending over the filter belt. A plate is attached to the filter belt. The plate has deflectible arms, and one of the arms has an aperture for receiving a portion of the projection arm.              -i-
Patent CA-1121953-A (CA)
Inventor: HULTMAN BENGT G
IPC: D21C11/00
Filed: 1979-06-29
Granted: 1982-04-20
Abstract: PROCESS AND APPARATUS FOR CONTROLLING THE DEGREE OF CAUSTICIZATION IN THE PREPARATION OF WHITE LIQUOR FROM       THE CHEMICALS RECOVERED FROM BLACK LIQUOR     ABSTRACT OF THE DISCLOSURE     Process and apparatus are provided for controlling the degree of causticization of white liquor in its preparation from green liquor by the addition of calcium oxide, which comprises determining the sodium carbonate concentration of green liquor fed to the causticization; de-termining the sodium carbonate concentration of white liquor resulting from the causticization; and controlling the degree of causticization within a predetermined range while taking both sodium carbonate concentrations into account, so as to maintain the degree of caustici-zation of the white liquor within the range despite variations in sodium carbonate concentration of the green liquor and variations in calcium oxide content of the calcium oxide added for causticization.
Patent CA-1139532-A (CA)
Inventor: VERSCHUUR EKE
IPC: C10L5/06
Filed: 1979-07-03
Granted: 1983-01-18
Abstract: ABSTRACT   Process for the agglomeration of solids.       A two-stage agglomeration process for coal fines in the form of a pumpable slurry. The slurry is selectively agglomerated in the first stage by the addition of a hydrocarbon binder and the bulk of the water separated from the resulting agglomerates.          Improved agglomerates are obtained in the second stage where those from the first stage are resubmitted to turbulent motion in hot water, which is drained from the agglomerates and recirculated thus reducing energy requirements.
Patent CA-1114800-A (CA)
Inventor: SEIFERT HELMUT
IPC: F16C27/00
Filed: 1979-07-20
Granted: 1981-12-22
Abstract: Abstract of the Disclosure:            Roll-up device for a safety belt with a mechanism for blocking the belt shaft in case of a crash.  Blocking is effected by lock-ing pawl means coupled with the belt shaft and activated by release mechanism.  The belt shaft has two sets of bearings a)  the belt shaft is supported by bearings with little play and little friction and which are elastically yielding to high pull forces which occur in case of a crash, and  b) the belt shaft is simultaneously centered in stable load bearings of the basic frame with radial bearing play on all sides.
Patent CA-1111685-A (CA)
Inventor: GARBER ARNOLD L
IPC: G02B23/08
Filed: 1979-08-27
Granted: 1981-11-03
Abstract: Abstract of the Disclosure A periscopic sight is mounted to extend through the wall of protective armor surrounding a gun station.  An elevation mirror is exposed to receive light from the direction in which the gun is pointing and to reflect the light along a vertical path extending through the sight.  A sealed unitary lens system has a lens axis aligned with the vertical path and conducts the light therethrough to a stationary mirror accessible to the eye of an observer.  The sealed unitary lens system has a sufficiently long eye relief to provide an unobstructed image to the observer in spite of the placement of the stationary mirror between the lens system and the observer.                           -1a-
Patent CA-1116964-A (CA)
Inventor: KEFFELER GARY L
IPC: F02B77/08
Filed: 1979-09-28
Granted: 1982-01-26
Abstract: Combined Dipstick Breather Tube Abstract A combined dipstick-breather tube device for use in measuring the level of a body of liquid in a housing wherein turbulence may occur in the liquid making it difficult to make an accurate reading of the level thereof by conventional dipstick devices.  The device includes an outer dipstick tube having a vent opening adjacent its upper end above the level of liquid in the housing.  The dipstick extends downwardly through the tube and further through a tubular guide which serves as a baffle for preventing impingement of liquid passed inwardly through the opening against the dipstick so as to avoid erroneous level readings.  The baffle may be defined by a tubular element having integrally formed spacers extending outwardly therefrom into engagement with the dipstick tube wall.  The upper spacers provide for flow of gaseous fluids between the upper end of the dipstick tube and the opening and the lower spacer provides for a liquid passage to return liquid back to the body thereof in the lower portion of the housing as a result of such liquid passing inwardly through the vent opening.  The dipstick may be provided with a conventional breather cap.
Patent CA-1140005-A (CA)
Inventor: PARSONS CHARLES L
IPC: B32B27/10
Filed: 1979-11-20
Granted: 1983-01-25
Abstract: Parsons Case 1 PROCESS FOR DOUBLE COATING PAPER AND           PRODUCT THEREOF     ABSTRACT OF THE DISCLOSURE      This invention relates to organic pigment-containing paper coating systems which require less severe calendering conditions to develop the surface and optical properties of paper than coating systems using inorganic pigments alone. It comprises overcoating a pre-applied mineral based coating with an organic pigment based coating.
Patent CA-1088480-A (CA)
Inventor: FAVILLE WARWICK S
IPC: E01B9/48
Filed: 1979-12-21
Granted: 1980-10-28
Abstract: Abstract:            A rail clip for securing for example a crane rail to a girder, comprises a first part to be securely attached, e.g. by welding or bolting, to the planar surface of the girder adjacent the rail, and a second part to be fixed to the first part independently of attachment of the first part to the girder.  The second part has a lateral face for abutment with a lateral face of the rail and the parts have laterally facing cooperating surfaces by which forces applied by the rail to the clip assembly are transmitted via the second part to the first part of the clip assembly.  The co-operating surfaces are inclined to the direction of extent of the rail and the second part has an elongate aperture for receiving the fixing means.  The elongate aperture is elongate in the same direction as the co-operating surfaces to permit relative adjustment movement between the parts while maintaining the co-operating surfaces in contact.  The first and second parts are oppositely wedge shaped, the first part decreasing in thickness in the direction of approach of the co-operating surfaces to the rail so that lateral forces applied by the rail to the clip assembly produce and are resisted by an increase in the tension in the fixing means.
Patent CA-1127768-A (CA)
Inventor: HOGAN JAMES J
IPC: H04N7/18
Filed: 1979-12-28
Granted: 1982-07-13
Abstract: DIGITAL VIDEO CORRELATOR          ABSTRACT OF THE DISCLOSURE     A digital video correlator wherein a reference image and a live image are digitized and compared against each other in a shifting network to determine the correlation or degrees thereof existing between the two images.  Funda-mentally, the invention includes a video digitizer which divides live and real images from various sources into picture elements and digitizes those elements to fixed voltage levels.  The digitized live image is passed to a dynamic memory consisting of a plurality of interconnected shift registers while the digitized reference image is maintained within a first set of shift registers compris-ing a portion of a processor.  A second set of shift registers within the processor maintain therein a mask function.  Yet a third set of shift registers within the processor are interconnected in parallel to the dynamic memory to receive, under control of a clock, the digitized data of the live image.  As the live image data is shifted through the third set of shift registers, single-bit correlators interconnecting corresponding bits of each of the first, second, and third sets of shift registers, compare the digitized values of the corresponding bits, with such comparison being enabled or negated by the mark function.  The outputs of all the single-bit correlators are summed together with that sum indicating the degree of correlation, on a bit-by-bit basis, between the live and reference images.  Further circuitry is included to deter-mine the point of best correlation between the two images and to normalize or take the mean value of the correlation output.
Patent CA-1156406-A (CA)
Inventor: LINDROOS RUNAR I
IPC: D21C11/06
Filed: 1980-01-29
Granted: 1983-11-08
Abstract: ABSTRACT     The invention relates to a method at the liquor recovery process and more precisely after the melt dissolver and at causticizing in a continuously operating mixing depart-ment. From the melt dissolver the waste gases are led through the vapour pipe and to the vapour condenser and condensate separator via a reconnected scrubber, which uses first water as  wash liquor and after the washing with the first water discharges the wash liquor with the substances washed out from the waste gases included therein   directly to the suction side of the first water pump for feed to the melt dissolver.          The processing tanks comprised in the mixing department, the lime-slaker with sorter, causticizing tanks and inter-mediate tank, are provided with scrubbers in the vapour pipes, in which scrubbers the waste gases flowing out are washed and cooled by atomized cooling water. Due to the pressure decrease  thereby effected, vacuum is created in the respective tank. The heat in the waste gases can be recovered in the form of hot water.
Patent CA-1146785-A (CA)
Inventor: NODFELT INGVAR
IPC: G02B6/38
Filed: 1980-02-15
Granted: 1983-05-24
Abstract: ABSTRACT OF THE DISCLOSURE     The present invention provides a method for connecting an end portion of an optical fibre with another optical component, for example another optical fibre, wherein the end portion of the optical fibre is positioned and fixed in a sleeve element by axially displacing at least three centering elements, which are positioned between the surface of the end portion of the optical fibre and a surface portion, which encloses the end portion of the optical fibre and tapers in the axial direction of the sleeve element, said surface portion preferably being conical, in rela-tion to the sleeve element to engagement with the surface of the fibre end portion as well as with said tapering surface portion and the sleeve element with the fibre end portion fixed therein and the other optical component are positioned in a coupling device with the optical fibre and the other optical component in optical connection with each other, characterized in that the end portion of the optical fibre by said positioning and fixing in the sleeve element is provided in an exactly predetermined position in rela-tion to an outer reference surface of the sleeve element and that the end surface of the fibre end portion fixed in the sleeve por-tion is positioned in a correct connection position in relation to the other optical component by positioning the reference surface of the sleeve element in engagement with guiding surfaces in the coupling device.
Patent CA-1123301-A (CA)
Inventor: FORDER WILLIAM C F
IPC: A61B17/02
Filed: 1980-05-02
Granted: 1982-05-11
Abstract: ABSTRACT OF THE DISCLOSURE         This invention relates to an improved surgical retrac-tor.  The retractor has a cross member, a fixed arm, a sliding arm, and an improved spring locking means for securely locating the sliding arm on the cross member.  The arms each have inwardly directed blade members which extend into the wound to hold it open   The present structure allows the surgeon to directly and accurately feel the force of the arms on the wound during insertion and the locking mechanism enables him to quickly, easily and safely lock the arms in a selected position.  In one embodi-ment used for kidney surgery, the arms are contoured to the patient's body to allow the cross member to be located against the patient's flank.  This provides the surgeon with increased access over the cross member and avoids the danger that he will lean on the cross member, causing the retractor to twist in the wound or ever to flip right out of the wound.
Patent CA-1129387-A (CA)
Inventor: CASS LOUIS G
IPC: B60Q3/06
Filed: 1980-05-09
Granted: 1982-08-10
Abstract: TRUNK LAMP ASSEMBLY             Abstract of the Disclosure A trunk lid lamp assembly comprising a housing having a first generally tubular part having open ends and a second generally tubular part having a closed end wall with interengaging means which provide a snap fit between said parts.  The first part has an axially ex-tending slot into which an offset portion of a bracket extends.  The bracket has an L-Shaped bayonet slot therein which is exposed to the interior of the first part whereby it may receive the lug of a lamp bulb and hold the bulb in position in the first part.  The second part has a portion engaging the bracket to hold the bracket in position in the slot of the first part.  The second part also has an axially extending opening in the end wall thereof adjacent the periphery thereof and a terminal extends into the opening and is frictionally held in position.  The terminal has a first contact portion.  A contact is positioned in the second part and has a first portion extending axially into the first part for engaging with the base of a lamp bulb and a second portion for providing a contact with a mercury switch.          A mercury switch engages the contact portion of said terminal and the second portion of the contact.  The second housing part has integral portions thereof for holding the mercury switch in position.   i.
Patent CA-1145013-A (CA)
Inventor: CULP RICHARD E
IPC: C02F1/00
Filed: 1980-06-16
Granted: 1983-04-19
Abstract: SEWAGE EFFLUENT VOLUME CONTROL AND ALARM ARRANGEMENT       FOR PRESSURIZED SEWAGE DISPOSAL SYSTEM                     Abstract of the Disclosure Sewage effluent from a septic tank collects in a holding tank before being pumped out into a disposal field.          The pump is turned on and off automatically by a control cir-cuit which includes maximum and minimum level float switches in the holding tank, so that a predetermined volume of the effluent is discharged under pressure into the disposal field during each on-and-off cycle of the pump.  A third float switch in the holding tank triggers an alarm whenever the effluent rises above a predetermined maximum level.  The alarm signalling sys-tem may be silenced or tested by a manual switch.
Patent CA-1145205-A (CA)
Inventor: SCHOFIELD JOHN D
IPC: C09C3/00
Filed: 1980-07-15
Granted: 1983-04-26
Abstract: ABSTRACT     A dispersible inorganic pigment composition in which the surface of A finely divided inorganic pigment is coated with a substance which renders the surface hydrophobic and then with a thermoplastic polymer and a process for the preparation  of the composition.   The composition is readily dispersible in thermoplastic materials and paints and it can be used to colour thermoplastic materials directly, avoiding the preperation of a master batch.
Patent CA-1170455-A (CA)
Inventor: IWAO NORIAKI
IPC: A63H17/00
Filed: 1980-08-12
Granted: 1984-07-10
Abstract: TITLE:    TOY VEHICLE CAPABLE OF CHANGING SIZE           AND SHAPE                   ABSTRACT      A toy vehicle which is capable of changing both its size and shape has a compound vehicle chassis having a first and a second chassis member.  The chassis members are movable with respect to one another.  The chassis members are connected together such that they can be moved with respect to one another reversibly between a first position and a second position.  The body of the vehicle has at least two independent body parts.  At least one of these body parts is movably associated with one of the chassis members and is movable with respect to both the other of the body parts and the chassis member it is associated with.  The spatial relation-shill between the two body parts is changeable in conjunction with movement of the chassis members from one of the positions to the other of the positions.
Patent CA-1162908-A (CA)
Inventor: STANULONIS JOHN J
IPC: B01J27/02
Filed: 1980-09-03
Granted: 1984-02-28
Abstract: HYDROGENATION CATALYST AND MANUFACTURE                THEREOF     Abstract Of The Disclosure A cobalt-free hydrogenation catalyst is pro-duced by contacting a refractory metal oxide support with an aqueous impregnating solution formed from an ammoniacal solution of nickel sulfate, preferably predissolved, and an Mo+VI oxide.  The impregnating solution contains nickel and sulfate ions in a ratio of substantially 1 to 1, and is used in an amount necessary for impregnating by the incipient wetness technique in a one-step impregnation.  The impreg-nated catalyst support is then heated to a tempera-ture sufficient to drive off ammonia and thereby deposit nickel and molybdenum.  The resulting cata-lyst is highly active for desulfurization of naph-thas, middle distillate oils and asphalt-containing oils.
Patent CA-1145129-A (CA)
Inventor: WILLIAMS DAVID B
IPC: B23B51/10
Filed: 1980-09-12
Granted: 1983-04-26
Abstract: DEBURRING TOOL AND METHOD            Abstract of the Disclosure A tool and method for deburring the edge of a hole through a plate, pipe, duct, or similar workpiece. The edge to be deburred is the edge away from the operator of the tool, e.g., the edge on the far side of the plate or on the inside of the pipe or duct.  The tool has a pivotal deburring blade at the distal end of a longitudinal member.  The blade is pivoted substan-tially parallel to the longitudinal member for insertion of the tool through or withdrawal of the tool from the hole.  The blade is pivoted substantially perpendicular to the longitudinal member for deburring the edge of the hole.  Pivoting of the blade is controlled without direct manipulation of the blade by the operator and without the use of any other members.
Patent CA-1156973-A (CA)
Inventor: WILDE SHELDON L
IPC: B65D53/00
Filed: 1980-09-30
Granted: 1983-11-15
Abstract: ABSTRACT OF THE DISCLOSURE A composite closure having a plastic cap with specially configured pedestals that are interconnected to a plastic liner.  In one embodiment, the pedestals each have an overhang, such as a mushroom-shaped head, to provide a mechanical interlock with the liner.  In other embodiments, the pedestals each have a fusible heat concentration zone that is fused to the liner as the liner is compression molded and heated in the cap. In one embodiment, the fusible pedestals are each cylindrical.  In another embodiment, the fusible pedestals are each in the shape of a pyramid.
Patent CA-1148730-A (CA)
Inventor: MACALUSO PAUL J
IPC: G03G15/08
Filed: 1980-12-05
Granted: 1983-06-28
Abstract: DEVELOPER DISPENSING APPARATUS                      Abstract A development powder dispensing apparatus that in is the form of a carousel.  The apparatus has a generally cylindrical configuration that is divided into a number of chambers such that the development powder toner within each chamber may be supplied individually to a magnetic brush unit.  Because of the separation of the toner into chambers, no toner compression is experienced even though large amounts of toner may be stored.