baber/WOPTO huggingface dataset:
Patent CA-1112979-A (CA)
Inventor: WISE LAYTON A
IPC: A62B23/02
Filed: 1980-01-02
Granted: 1981-11-24
Abstract: BREATHING APPARATUS CHEMICAL CANISTER             WITH DUST SEAL                    Abstract of the Disclosure A breathing apparatus chemical canister includes a central vertical tube, around which there is a body of chemi-cal granules covered by an upper sheet of filtering material provided with inner and outer downwardly extending flanges engaging the tube and the side of the canister.  Disposed between the chemical body and filter sheet is an upper screen having inner and outer downwardly extending flanges pressing the filter sheet flanges against the tube and side of the canister to form seals.  A similar lower sheet of filtering material and lower screen around the lower end of the tube support the chemical body, and the flanges of the lower screen press the filter sheet flanges against the tube and site of the canister to form seals.
Patent CA-1125153-A (CA)
Inventor: PARKER ROY B
IPC: A63B45/00
Filed: 1980-01-08
Granted: 1982-06-08
Abstract: METHOD OF COVERING   TENNIS BALLS            ABSTRACT OF THE DISCLOSURE         The disclosure is of a method of adhering a textile tennis ball cover to a tennis ball core.   The method comprises providing a core and a textile tennis ball cover for the core.  A hot-melt adhesive is also provided as a structural component of the cover material.  The cover is assembled on the core and the hot-melt adhesive component caused to melt and form a bond between core and covering material.  Upon re-solidifying, the adhesive adheres the cover to the core of the tennis ball with a high degree of tenacity.
Patent CA-1111668-A (CA)
Inventor: ABRAHAM FAYEZ F
IPC: F25D21/06
Filed: 1980-02-01
Granted: 1981-11-03
Abstract: REFRIGERATION SYSTEM USING AIR DEFROST                    ABSTRACT OF THE DISCLOSURE            A refrigeration system employing ambient air defrost and a method of operating such a system.  The refrigeration system includes a cabinet having an opening in one of its walls, for example, the front wall, for enabling access to products stored on a plurality of shelves in the interior of the cabinet.          Extending along the walls of the cabinet are an inner, primary air conduit and an outer, secondary air conduit.  The primary air conduit contains a plurality of fans for circulating the air along the conduit and a mechanism for refrigerating air passing through the conduit during a refrigeration cycle.  Air leaves the primary conduit at an outlet opening at one end of the conduit positioned at one end of the opening in the cabinet and such air is directed towards an inlet opening in the primary conduit at the opposite end of the opening in the cabinet.  Thus, the air circulated through the primary conduit forms a closed primary air band.  A plurality of second fans are arranged within the secondary air conduit and during a refrigeration cycle circulate  air through the conduit, out of an outlet open-ing in the conduit, which opening is located at one end of the opening in the cabinet and towards an inlet opening in the conduit, which opening is located at the other end of the open-ing in the cabinet, thereby establishing a closed secondary air band during the refrigeration cycle.  When the system is to be defrosted, the refrigeration mechanism is deactivated so that the air passing along the primary air conduit is not refrigerated. In addition, the secondary fans in the secondary air conduit are turned off and the primary fans in the primary conduit are operated so as to cause a greater quantity of air to pass along the primary air conduit.  During the defrost mode of operation, the primary air fans tend to draw in ambient air from outside of the cabinet thereby providing warmer air for circulation through the primary air conduit which serves to defrost the re-frigeration mechanism.
Patent CA-1155525-A (CA)
Inventor: KIBBLEWHITE IAN E
IPC: B25B23/145
Filed: 1980-04-03
Granted: 1983-10-18
Abstract: IMPACT WRENCH     Ian E. Kibblewhite, John T. Boys & Angelo L. Tambini ABSTRACT OF THE DISCLOSURE           A self-contained impact wrench having an adaptive control system for determining the yield point or some similarly significant tightened condition of a fastener assembly by detect-ing a signal representative of the forward rotation angle of the fastener assembly is disclosed.  One embodiment utilizes a com-puted signal of time over a fixed interval of forward rotation angle, as an estimate of the torque applied by the impact wrench, and the torque estimate vs. rotation angle curve is differentiated to obtain the gradient thereof.  Successive gradient values are stored and compared, and when the present gradient value has attained a predetermined relationship relative to a stored value of a gradient in a tightening region of the curve, further tight-ening of the fastener assembly is discontinued.  This ensures that the yield point or other similarly significant tightened condition of the assembly has been reached.
Patent CA-1148074-A (CA)
Inventor: VAN GOMPEL JAMES J
IPC: B65H75/00
Filed: 1980-05-02
Granted: 1983-06-14
Abstract: ABSTRACT     Apparatus that is used to expand a collapsed hollow core of a damaged roll which includes an expandable bullet, uniformly expandable along its length by hydraulic cylinders, after being pulled into the core by means of a hollow piston ram and a drawbar.  The bullet has an unexpanded cross-section of a football-like shape the area of which is about 10% less than the cross-sectional area of the hole in the undeformed core, allowing over expansion of the bullet which pulls the sides of the core in to form connect-ing chords.  Add-on shells for larger cores are adaptable to the expandable base bullet.
Patent CA-1137835-A (CA)
Inventor: TUNG CHI F
IPC: E01F9/00
Filed: 1980-05-09
Granted: 1982-12-21
Abstract: ABSTRACT A new pavement-marking sheet material comprises a conformable base sheet, a top layer of flexible reacted binder material adhered to the base sheet, and glass micro-spheres or other particulate material partially embedded and strongly supported and adhered in the top layer.
Patent CA-1155635-A (CA)
Inventor: KONIJNENDIJK WILLEM L
IPC: C09K11/08
Filed: 1980-06-26
Granted: 1983-10-25
Abstract: ABSTRACT: "Luminescent silicate, luminescent screens and lamps com-prising such a luminescent silicate."           A luminescent silicate having a composition de-fined by the formula Me3-p-q Pbp Mnq Ln2-r-x-y-z Gdr Cex Tby Dyz Si6 O18, wherein Me represents Sr and/or Ca and Ln represents Y and/or La, wherein, if q=r=x=y=z=0, it holds that 0.01 ? p ? 0.50 wherein, if p=q=y=z=0,   it holds that 0.01 ? x ? 0.80 and              0 ? r ? 2-x wherein, if q=x=y=z=0,   it holds that 0.01 ? p ? 0.50 and         0.05 ? r ? 2.0; and wherein otherwise it holds that 0.01 ? p ? 0.50 0.05 ? r ? 2-x-y-z 0 ? q ? 0.30 0 ? x ? 0.80 0 ? y ? 1.0 0 ? z ? 0.10 0.005 ? q+x+y+z.
Patent CA-1125586-A (CA)
Title: Hot-dip metallic coatings on low carbon alloy steel
Inventor: NICKOLA RICHARD A
IPC: C23C2/02
Filed: 1980-06-30
Granted: 1982-06-15
Abstract: ABSTRACT OF THE DISCLOSURE        A process of hot-dip coating a strip of cold rolled low carbon steel having as an essential alloying element at least one strong oxide forming metal, such as titanium, aluminum, silicon or chromium or a combination thereof, to overcome the difficulty of uniformly hot-dip coating such steels with aluminum and other protective metals on a Sendzimir-type hot-dip coating line wherein the steel strip is thoroughly cleaned by washing in an alkaline cleaning solution, brushing and drying to remove metallic particles and non-metallic contam-inants, forming a dry film coating on a clean dry surface of the strip of a higher fatty acid amide having from 8 to 18 carbon atoms, heating said strip to a temperature sufficient to completely volatilize said amide film coating, passing said strip through a heating zone containing a reducing atmosphere in which the strip is heated to a temperature of at least about 704°C (1300°F), cooling said strip in a reducing atmosphere to about the temperature of a molten aluminum hot-dip coating bath, and passing said strip through said hot-dip coating bath.  The amide coated steel strip has excellent corrosion resistance when stored in coiled form and is adapted for uniform hot-dip coating with aluminum on a Sendzimir-type hot-dip coating line.
Patent CA-1153368-A (CA)
Inventor: SCHAAF THOMAS K
IPC: C07D257/04
Filed: 1980-09-15
Granted: 1983-09-06
Abstract: P.C. 6163 Abstract Synthetic prostaglandin E compounds having carboxylic acid, ester, tetrazol, sulfonamide or imide substitutions at C-1, a methanesulfonamido group replacing the C-15 hydroxy and an aryloxy group at C-16 are disclosed.  They exhibit antisecretory biological activity.
Patent CA-1106104-A (CA)
Inventor: SWALLOW ROGER T
IPC: A41B11/00
Filed: 1980-11-05
Granted: 1981-08-04
Abstract: NON-SLIP THERAPEUTIC STOCKING AND METHOD                 ABSTRACT OF THE DISCLOSURE         A therapeutic stocking comprising, a boot portion, and a circumferentially elastic foot portion for covering the foot of a patient.  The stocking has a lower non-slip region of the foot portion comprising, sheet means of a thermoplastic material fused to the outside of a circumferentially prestretched area of the foot portion underlying the foot.  The region is located to con-tact the floor beneath the patient's foot and provide a relatively high friction surface to minimize slippage of the patient on the floor.
Patent CA-1158872-A (CA)
Inventor: TESSON PROSPER A
IPC: F16L1/23
Filed: 1980-11-10
Granted: 1983-12-20
Abstract: ABSTRACT OF THE DISCLOSURE           A method of intermittently stopping and restarting the laying of pipe offshore from a reel pipelaying vessel having a reel for spooling relatively inflexible pipe thereon, pipe working and handling means for straightening the pipe as it is upspooled from the reel, vessel motive source means for imparting a forward thrust to the vessel, and a reel drive mechanism associated with the reel for imparting at least a dynamic braking force to the reel in an unspooling mode.  The method comprises the steps of:    (a) stopping the forward motion of the vessel in the direction of pipelaying by (1) gradually reducing the forward thrust imparted to the vessel by the vessel motive source, and (2) concurrently gradually increasing the dynamic braking force imparted to the reel by the reel drive mechanism, (3) to cause the reel to decrease its rotational rate toward zero while continuing to unspool pipe and to thereby maintain sufficient tension in the pipeline to hold the pipeline in a desired profile;    (b) locking the reel against further rotation in the direction of unspooling when the vessel has stopped its forward motion;   (c) thereafter controlling the forward thrust of the vessel motive source to maintain the vessel in a station keeping mode and to maintain the pipeline under said sufficient tension to hold the desired pipe profile while the vessel is in said station keeping mode;    (d) performing any necessary operations on the pipe and/or coating while the vessel is in said station keeping mode;         , - a -(e) thereafter resuming forward motion of the vessel in the pipelaying direction by (1) disengaging the means locking the reel against the rotation in the unspooling direction, (2) concurrently substantially increasing the dynamic braking force imparted to the reel by the reel drive mechanism such that the dynamic braking force exceeds any increases in the forward thrust of the vessel's motive source at least up to the pipelaying thrust level required to move the vessel in the forward direction at a desired laying speed, (3) gradually increasing the forward thrust imparted to the vessel by the vessel motive source up to said pipelaying thrust level, and (4) thereafter gradually reducing the dynamic braking force of the reel drive mechanism at least until the forward thrust imparted to the vessel by the vessel motive source exceeds the dynamic braking force of the reel drive mechanism and the vessel begins to move forward.          The step of performing necessary operations on the pipe and/or coating may for example comprise the step of applying one or more sacrifical anodes to the pipe at a designated work station located along the pipe path downstream of the straightening means in the unspooling direction.     - b -
Patent CA-1144492-A (CA)
Inventor: FRANEK JOSEF T
IPC: B65D8/04
Filed: 1980-12-05
Granted: 1983-04-12
Abstract: ABSTRACT         In a metal container having at least one seam by which two overlapping metal edges are joined together, at least one Or the edges (58) has a resilient polymeric layer (56) bonded firmly to the metal, so that when that edge (58) is seamed to a second edge (60) the polymeric layer deforms without destroying the bond, and becomes bonded to the second edge, so creating a seal against leakage.  A layer of latex no greater than 0.10 mm thick may optionally be included.  Seams to which the invention is applicable include swaged seams, interlocked double seams or longitudinal side seams.          In the latter case the polymeric layer may provide the bond to secure a single lap seam.
Patent CA-1149330-A (CA)
Title: Method and apparatus for controlled, low current start-up of one of a series of electrolytic cells
Inventor: KIRCHER MORTON S
IPC: G11B23/033
Filed: 1981-02-02
Granted: 1983-07-05
Abstract: ABSTRACT OF THE DISLCOSURE A method and an apparatus for controlled, low current start-up of one of an electrical series of membrane electrolytic cells in which the currents through all but one of the remaining cells of the electrical series are unaffected. The method involves placing the cell to be started-up in electrical series with a variable resistor and placing the cell and resistor combination in parallel with the following or preceding one of the remaining cells in the electrical series and then slowly decreasing the resistance of the variable resistor over a preset time period so as to gradually increase the current to the cell being started up and finally eliminating the variable resistance altogether and reconnecting the cell being started-up in electrical series with the remaining cells.
Patent CA-1151092-A (CA)
Inventor: SHEA FREDERICK L JR
IPC: C10G31/09
Filed: 1981-04-07
Granted: 1983-08-02
Abstract: PROCESS FOR REMOVAL OF SOLIDS FROM  SOLVENT REFINED COAL SOLUTIONS          A B S T R A C T A method for separating solids from a liquefied coal slurry resulting from the SRC process utilizes an improved carbon filter-aid material prepared by flash heating thermally expandable coal particles under controlled conditions.
Patent CA-1140154-A (CA)
Inventor: YOUNG LEWIS B
IPC: C07C39/02
Filed: 1981-04-16
Granted: 1983-01-25
Abstract: ABSTRACT         This invention describes a four-step process for preparing 3-alkylphenols and 1,3-dihydroxybenzene comprising the alkylation of benzene or a monoalkyl-benzene followed by the selective reaction of the 1,4-isomer of the alkylation product in the presence of a specified type of shape selective zeolite to obtain the 1,3-isomer in excess of equilibrium.  Subsequent oxidation and acid catalyzed rearrangement results in a significant yield of 1,3-dihydroxybenzene or 3-alkyl-phenol.
Patent CA-1143972-A (CA)
Inventor: HOPE TOMASZ S
IPC: G02B6/44
Filed: 1981-04-28
Granted: 1983-04-05
Abstract: POWDER FILLED FIBER OPTIC CABLE          Abstract of the Disclosure Optical cable in which an optical waveguide within a protective sheath is in contact with a mixture of hydrophilic and hydrophobic powders, the hydrophilic powder being non-swellable and forming a viscous solution in contact with water to prevent ice crystal formation.                       - i -
Patent CA-1186438-A (CA)
Title: Polymers of di- (and higher functionality) ketene  acetals and polyols
Inventor: HELLER JORGE
IPC: C08K5/00
Filed: 1981-05-05
Granted: 1985-04-30
Abstract: ABSTRACT OF DISCLOSURE         This invention concerns ortho ester polymers having repeating mer units represented by the general formulas:       and   The polymers are formed by a condensation reaction between ketene acetals having a functionality of two or more and hydroxyl containing compounds having a functionality of two or more.          Unlike most conventional condenastion reactions, the reaction between a ketene acetal andanalcohol proceeds  without the evolution of small molecule by-products which must be removed by distillation in order to achieve high molecular weight.  Hence, this new process produces high molecular weight poly (ortho esters) in short reaction times, at essentially room temperature and at atmospheric pressure.  Furthermore, linear thermoplastic materials are produced when both the ketene acetal and alcohol have functionalities of two;and because no volatile materials are produced,void-free, thermoset materials are produced when either or both the alcohol and ketene acetal have functionalities greater than two and crosslinking occurs.          The polymers are bioerodible and are useful in the fabrication of devices and coatings for delivering beneficial agents.
Patent CA-1174081-A (CA)
Title: Amorphous metal alloy strip and method of making such   strip
Inventor: AMES STUART L
IPC: H01F1/16
Filed: 1981-05-08
Granted: 1984-09-11
Abstract: ABSTRACT OF THE DISCLOSURE An amorphous metal alloy strip is disclosed having a width greater than about one inch and a thickness less than about 0.003 inch, this alloy consists essentially of 77 to 80 atomic percent iron, 12 to 16 atomic percent boron and 5 to 10 atomic percent silicon with incidental impurities.  The strip has a 60 cycle per second core loss of less than about 0.100 watts per pound at 12.6 kilogauss, saturation magnetization of at least 15 kilogauss, and a coercive force of less than about 0.04 oersteds.  Such alloy is further characterized by increased castability and the strip produced therefrom exhibits at least singular ductility.  A method of producing such optimum strip is also disclosed.
Patent CA-1165661-A (CA)
Inventor: TATUM JAMES R
IPC: A62C2/14
Filed: 1981-05-15
Granted: 1984-04-17
Abstract: ABSTRACT OF THE DISCLOSURE         Actuator assembly for use in association with a damper adapted to be mounted in air duct systems and having damper blades operable to partly or completely block the duct, such actuating assembly having a drive shaft adapted to be coupled to a motor, an operating arm rotatably mounted and connectible with such damper blades, in such a fashion that rotation of the operating arm will cause such damper blades to operate, a coupling arm attached to such shaft and being interengageable with such operating arm for operating same upon rotation of the shaft by the motor, a spring connected between the operating arm and the coupling arm, and a retainer restraining movement of such operating arm independently of such coupling arm, such spring moving such operating arm relative to such coupling arm upon releasing of the retaining means, in response to a predetermined condition.
Patent CA-1173806-A (CA)
Inventor: ADELMANN WILLIAM J JR
IPC: F16J15/38
Filed: 1981-06-16
Granted: 1984-09-04
Abstract: DIFFERENTIAL PRESSURE CONTROL FOR    GAS SEAL IN TURBO MACHINERY Abstract of the Disclosure For limiting leakage of a high pressure buffer gas supply about the gas seal in a turbo compressor, the sliding face on the inward diameter of the seal includes a plurality of axially spaced annular O-ring seals positioned in tandem staged sealing relation thereat.  Communicating from between each juxtaposed pair of O-ring seals is a bleed port enabling inter-O-ring pressure to be controlled for any overall pressure differential that is encountered.
Patent CA-1172501-A (CA)
Inventor: JACKSON PETER
IPC: A23K50/15
Filed: 1981-06-18
Granted: 1984-08-14
Abstract: ABSTRACT OF THE DISCLOSURE   A composition is provided for the treatment of protein and carbo-hydrate containing animal feedstuffs.  The composition is in the form of an aqueous solution containing in weight percent of the total weight: sulphite waste liquid or lignone sulphonate 5 to 15 formaldehyde (HCHO)                         9 to 25 and one or more organic acids           30 to 60. A method of treating a feedstuff for ruminant animals in the moist state (moisture content 15 - 85%) is also provided which comprises the admixture with the feedstuff of an amount of the composition described above which is effective to improve the preservation of the feedstuff and reduce the degree of breakdown of the feedstuff in the rumen of the animal.
Patent CA-1130487-A (CA)
Title: Silicone emulsion which provides an elastomeric  product and methods for preparation
Inventor: SAAM JOHN C
IPC: C08L83/06
Filed: 1981-08-06
Granted: 1982-08-24
Abstract: ABSTRACT OF THE DISCLOSURE          A silicone emulsion having a dispersed phase of an anionically stabilized hydroxylated polydiorganosiloxane and a colloidal silica and a continuous phase of water in which the pH is 9 to 11.5 provides an elastomeric product, such as a film or coating, upon removal of the water at ambient conditions.  The silicone emulsion can be prepared by adding the colloidal silica to the hydroxylated polydiorganosiloxane in an emulsified state and thereafter adjusting the pH within the range of 9 to 11.5 inclusive with such materials as an organic amine or sodium hydroxide.  These emulsions are stable during storage over extended periods of time and will provide elastomeric products.  A silicone emulsion can also be prepared as described except the pH is adjusted above 11.5.
Patent CA-1162791-A (CA)
Title: Furnaces
Inventor: SMITH TREVOR D
IPC: F23M5/08
Filed: 1981-08-19
Granted: 1984-02-28
Abstract: Abstract of the Disclosure A grateless furnace of elongate substantially cylindrical configuration comprises means to introduce solid fuel into the combustion chamber and to permit said fuel to form a fire bed in the bottom thereof.  The combustion chamber is of such configuration that slag formed during combustion of the fuel accumulates under the influence of gravity, at a low part of the bottom of the combustion chamber.  An opening is provided in the low part through which said slag may pass for removal from the furnace.
Patent CA-1177819-A (CA)
Inventor: NIKOMAROV SAMUIL S
IPC: E21B17/05
Filed: 1981-09-09
Granted: 1984-11-13
Abstract: ARTICULATED COUPLING                  Abstract of the Disclosure An articulated coupling comprising two cylindrical half-couplings facing each other by end faces, Made on these end faces are recesses in which a cage is installed with a clearance, and in the cage and the half-couplings are made radial substantially coaxial openings in which rollers are installed with clearances, the half-couplings being provided with means for holding the rollers in the openings.
Patent CA-1162818-A (CA)
Inventor: SERAGNOLI ENZO
IPC: A24C5/39
Filed: 1981-10-22
Granted: 1984-02-28
Abstract: ABSTRACT OF THE DISCLOSURE:         The device for applying filters to cigarettes by means of adhesive connection bands is of the type comprising a peripherally grooved conveyor roller which transfers to a position, referred to as rolling position, units comprising two axially aligned cigarettes with the interposition of a filter section.  At the rolling position an element, referred to as counterrolling element, defines in combination with said conveyor roller a passage at which said bands are rolled up about the units.  By means of a cutting device cooperating with said conveyor roller, the bands are provided by a paper web fed from a reel. After receiving adhesive on one face by a gluing device and before reaching the conveyor roller, said web skirts the surface of a heated rotating roller which causes the partial evaporation of the solvent in the adhesive.