baber/WOPTO huggingface dataset:
Patent CA-1103120-A (CA)
Title: Hair-curler
Inventor: BRENN-ALBERTONI GEMMA
IPC: A45D2/08
Filed: 1978-02-28
Granted: 1981-06-16
Abstract: HAIR CURLER.            ABSTRACT OF THE DISCLOSURE . -A hair curler is disclosed, of the kind having a helical core and hair-retaining means inserted between the helix coils, the improvement consisting in that the hair-retaining means are composed by a narrow ribbon wound helically on the outer sur-face of the curler core and having on its exposed surface a plurality of hair-retaining members proper.
Patent CA-1103595-A (CA)
Title: Separation and recovery apparatus for solid or liquid  particles entrained in a flowing gas mixture
Inventor: KANDA MASAO
IPC: B01D45/16
Filed: 1978-04-11
Granted: 1981-06-23
Abstract: ABSTRACT OF THE DISCLOSURE This invention relates to a novel apparatus for separating and recovering liquid or solid particles suspended in a forced gas flow.  Excess coating material is removed from a coated web by an air doctor and is entrained in an exciting gas mixture flow.  It is directed along a plate to effect primary coating material separation and recovery in a chamber.  Thereafter, the flow passes along an inwardly spiraling apparatus wall which terminates in an air exhaust duct.  The wall initially continues the prolongation or extension plane of the plate and includes secondary recovery chamber whereby separation is implemented by both centrifugal and gravitational forces.  The same concepts may also be used to recover solid particles in a surface abrasion apparatus such as sand blaster.  This apparatus is a more efficient device and provides improved separation and recovery than the prior art devices.
Patent CA-1101705-A (CA)
Inventor: WEISS HERMANN
IPC: G02B5/32
Filed: 1978-04-20
Granted: 1981-05-26
Abstract: ABSTRACT          A method for the layer-wide decoding of primary superposition images, in which three-dimensional objects, for example parts of the human body, have been recorded in coded form by means of a plurality of radiation sources from different perspectives, in accordance with which method the virtual layer images which are formed are observed through a decoding multiplication element in which the coordinate points of the radiation sources used for forming the image are stored and with the aid of which the illuminated super-position images are multiplied as luminous-image repro-ductions in such a way that-one layer of the three-dimen-sional object is visualized, and that further layers are reproduced by varying the size of the superposition image or by changing the distance between the superposition image and the multiplication element and each time those image points of an object plane are decoded from the super-position image, which correspond to the coordinate points stored in the multiplication element.
Patent CA-1090044-A (CA)
Inventor: BUECHNER OSKAR
IPC: C08F6/00
Filed: 1978-05-05
Granted: 1980-11-18
Abstract: ABSTRACT OF THE DISCLOSURE: A process for the continuous high pressure polymerization Or ethylene in a polymerization system which comprises a polymerization zone (A) a high pressure product isolation zone (B), a throttling and control system (C), a low pressure product isolation zone (D), a second throttling and control system (E) and a discharge extruder (F), and wherein, according to the invention, the level Or the ethylene polymer in the high pressure product isolation zone (B) and in the low pres-sure product isolation zone (D) is carried periodically. The pro-cess gives an ethylene polymer Or improved homogeneity, which when used to manufacture films does not tend to form specks or fisheyes.
Patent CA-1097175-A (CA)
Inventor: RYAN KEITH
IPC: B42F17/00
Filed: 1978-06-13
Granted: 1981-03-10
Abstract: ABSTRACT OF THE DISCLOSURE         The invention relates to a visible index, and to a novel carrier for the records of a visible index, in which the records are hooked over retaining flanges which extend inwardly of the V-shaped channel portions of carriers which also comprise spacer portion which extend above the apices of the channel portions and locate respectively in the channel portion of the carrier directly thereabove, to provide an overlapping array of the records hooked on the carriers and also further to inhibit detachment of a record hooked on a retaining flange, as well as optionally also further records attached to the carriers, by the internesting of adjacent carriers.
Patent CA-1090341-A (CA)
Title: 1,3,5-s-hexahydrotrisubstituted triazines and methods  for their preparation
Inventor: GRIER NATHANIEL
IPC: C10M133/42
Filed: 1978-07-31
Granted: 1980-11-25
Abstract: TITLE OF THE INVENTION: 1,3,5-s-Hexahydrotrisubstituted Triazines and Methods for their Preparation.            ABSTRACT OF THE DISCLOSURE: 1,3,5-s-Hexahydrotrisubstituted triazines exemplified by 1,3,5-tris(furfuryl)-1,3,5-hexahydro-s-triazines are useful as antimicrobial agents particularly when employed as a component of metal-working compositions subject to fungal and bacterial attack.
Patent CA-1113439-A (CA)
Inventor: MALTBY EDGAR W
IPC: F16K31/68
Filed: 1978-08-31
Granted: 1981-12-01
Abstract: APPLICATION OF:     EDGAR W, MALTBY                FOR     :     FOUR-PORT THERMALLY                     RESPONSIVE VALVE               ABSTRACT           The invention relates to a four-port thermally re-sponsive valve for valving two pairs of isolated fluid ports in response to predetermined temperatures.  A single valve member is movably contained within a housing passageway and spring biased in a first position so that sealing surfaces at either end of the valve member are respectively engageable with and spaced from corresponding seating surfaces in the passageway for achieving initially open or closed valved conditions within each pair of fluid ports.  A seal ring mounted in the passageway and surrounding the valve member isolates the first pair of fluid ports from the second pair of fluid ports thereby preventing fluid interaction therebetween.  When predetermined temperatures are encountered, a thermally responsive actuator connected to the valve member by a rod overcomes the biasing force generated by the spring and moves the valve member to a position that simultaneously reverses the valved condition of each pair of fluid ports.
Patent CA-1081996-A (CA)
Inventor: VETH GEORGE J
IPC: A61B5/00
Filed: 1978-09-12
Granted: 1980-07-22
Abstract: ABSTRACT OF THE DISCLOSURE           A disposable cover for temperature and respiration rate sensing apparatus having a temperature sensing probe and a housing defining a wind tunnel communicating with housing inlet and outlet openings at upstream and downstream ends of the wind tunnel, and a respiration sensor mounted in the wind tunnel.  The cover comprises a removable covering for the probe and at least a portion of the housing, and an opening adapted to associate with the inlet opening to allow expired nasal air to flow through the wind tunnel.
Patent CA-1101408-A (CA)
Inventor: LINDEBOOM HERMAN
IPC: E21B10/38
Filed: 1978-09-21
Granted: 1981-05-19
Abstract: ROCK DRILL                 ABSTRACT OF THE DISCLOSURE    A rock drill system uses a high frequency, low energy per blow percussive drill device to drive a rock drill bit having a cylindrical sleeve and a breaking bar within the sleeve adjacent the cutting edge of the bit.  The bit is operated without rotation and the low energy, high frequency enables operation without destroying the bit.  A peening effect occurs around the outer circumference of the drilling end of the bit to create a slightly larger diameter than the diameter of the bit thereby enabling easy withdrawal from the hole.
Patent CA-1057398-A (CA)
Inventor: WINSLOW JOHN S
IPC: G11B27/10
Filed: 1978-10-10
Granted: 1979-06-26
Abstract: ABSTRACT OF THE DISCLOSURE      The present invention relates to light modu-lator stabilization. The prior art has involved record-ing processes in open loop fashion, thereby being subject to random inaccuracies in the level of light intensity modulation. The present invention overcomes this problem by providing an apparatus and method for stabilizing a light modulator. In accordance with the invention, stabilization of the light modulator is effected by control of the average intensity of the modulated laser write beam impinging a metallized video-disc surface. Optical modulation is accomplished by an optical modulator positioned in the path of the laser write beam between a laser source and the metallized videodisc surface. A portion of the laser write beam, after optical modulation, is used to produce an elect-trical feedback signal. The feedback signal control affects stabilizations of the level of modulation of the laser write beam. The optical modulator varies the intensity of the laser write beam from above a pre-determined intensity at which an aperture is formed in the metallized videodisc surface to below the pre-determined intensity at which the beam forms no aperture in the metallized videodisc surface. The modulated laser beam is stabilized at a predetermined average intensity level between the levels above and below the predetermined intensity.
Patent CA-1107299-A (CA)
Inventor: ELMENDORP JAN
IPC: C07C47/54
Filed: 1978-10-17
Granted: 1981-08-18
Abstract: A B S T R A C T         The invention relates to a process for the purification of benzaldehyde and, in particular, the purification of benzaldehyde prepared by oxidation of toluene with a gas containing molecular oxygen.          According to the invention, pure benzaldehyde is prepared by treating impure benzaldehyde with an oxidizing agent and distilling it.         Benzaldehyde purified according to the invention is particularly suitable for application in the synthesis of scents and flavours, because it can meet the demands of olfactory specifications.
Patent CA-1099868-A (CA)
Inventor: WALLACE DEAN R
IPC: A61M25/00
Filed: 1978-10-17
Granted: 1981-04-28
Abstract: TITLE OF INVENTION METHOD OF MAKING ENDOTRACHEAL TUBE CUFFS                             ABSTRACT A method is disclosed for making a cuff or balloon for use with an endotracheal tube by means of a cold parison blow molding process. The method may be utilized for large quantity production of such cuffs yet affords reliable control of the thickness throughout the cuff. In carrying out the method, a thermoplastic or other elastomeric tube of predetermined dimensions and elasticity is prestretched a predetermined amount in the longitudinal direction. The tube is positioned within a hollow mold or, for quantity pro-duction in a series of such molds, having the mold internal configuration in the general shape of the desired end balloon form. The mold or molds are vented to atmosphere. Pressure is applied to the interior of the tube and such predetermined pressure is retained within the tube. The tube and mold(s) are then heated such that the tube softens and expands under the pressure to assume internal configuration of the mold(s). A cooling cycle follows such that the tubing takes on a new memory in the expanded state. The expanded tube, now in the shape of the desired end cuff or balloon is removed from the mold and can then be assembled into the final product endotracheal tube by known means.
Patent CA-1134995-A (CA)
Inventor: TENNEY LINWOOD P
IPC: C08G61/00
Filed: 1978-10-27
Granted: 1982-11-02
Abstract: ABSTRACT OF THE DISCLOSURE Dimethylnorbornene, isopropylnorbornene or a mixture thereof is copolymerized by ring opening with (1) at least one acyclic monoolefin or nonconjugated acyclic olefin and (2) optionally, dicyclopentadiene. The copolymers are thermoplastics which can be calendered and thermoformed, for example, to make rigid automotive goods such as glovebox covers, hubcaps and the like.
Patent CA-1066281-A (CA)
Inventor: CARROLL RONNIE D
IPC: C07D491/04
Filed: 1979-01-22
Granted: 1979-11-13
Abstract: ABSTRACT        The maleate salt of 2-phenyl-6-(1-hydroxy-2-t-butylaminoethyl)-4H-pyrido (3,2-d)-1,3 dioxin, particularly in crystalline form is preparable from 2-phenyl-4H-pyrid? (3,2-d)-1,3-dioxin-6-expoxy ethane and provides a particulary useful starting material for the production of 2-hydroxymethyl-3-hydroxy-6-(1-hydroxy-2-t-butyl?minoethyl) pyridine and its pharmaceutically acceptable salts.
Patent CA-1099765-A (CA)
Inventor: WILLIS J DON
IPC: E01H1/12
Filed: 1979-02-22
Granted: 1981-04-21
Abstract: Abstract of the Disclosure A hollow cylindrical scoop-shaped device facilitates scooping of solid and semi-solid refuse off hard ground or vegetation covered ground through manipulation of the device by a pivotally attached handle attached forwardly  of the center of gravity of the device.  The refuse scooped is collected in a detachably attached trailing disposable clamp secured conventional paper sack or plastic bag protected by a guard at the bottom of the device.  The handle includes a detachably attached paddle for manual use in sweeping the refuse off sidewalks and the like into the scoop.
Patent CA-1140675-A (CA)
Inventor: CESHKOVSKY LUDWIG
IPC: G11B7/085
Filed: 1979-02-28
Granted: 1983-02-01
Abstract: ABSTRACT          A video disc player is described for use with a video disc having frequency modulated video informa-tion recorded thereon in the form of a plurality of con-centric circles or a single spiral. The information track comprises successively positioned light reflective and light non-reflective regions.  A focused light beam is caused to be positioned over the center of an in-formation track and the light reflected from the inform-ation track is gathered by an objective lens for appli-cation to electronic circuitry for recovering the re-corded frequency modulated video signals.   Radial tracking means are described for maintaining the focused light spot to impinge upon the center of an information track.  Lens focusing means are described for positioning the objective lens at the optimum focused position above the  information track for gathering the maximum amount of reflected light from the information track. FM processing means are described for reconstructing the recovered frequency modulated video information such that the ratio between the amplitude  of the signals as recorded is essentially the same in the signals as recovered from the video disc member.  Further servo means are described for handling the selective change of the intersection of the reading beam with the video disc member in a predetermined  preferred mode of oper-ation.
Patent CA-1110552-A (CA)
Title: Rotary drum filter and method of operation for medium  cleaning
Inventor: WEGENER WILLI A
IPC: B01D33/00
Filed: 1979-03-14
Granted: 1981-10-13
Abstract: ROTARY DRUM FILTER AND METHOD OF     OPERATION FOR MEDIUM CLEANING                      ABSTRACT OF THE DISCLOSURE         A rotary vacuum filter wherein each filtration sector of the filter is backwashed with filtrate and/or separately supplied gas or wash liquid while the sector is submerged in the feed slurry in the tank.  As each sector starts to resub-merge in the tank, vacuum is applied so that the sector and associated hydraulic system is quickly and completely filled with filtrate and a thin cake or film of solids forms on the filter medium whereupon with the sector still submerged, vacuum is cut off and a positive pressure is applied by either or both pressured gas or liquid supplied through the valve thus forcing filtrate back through the cloth to effect washing thereof.  After the wash, vacuum is reapplied for cake for-mation.  The drum includes an internal manifold under each filtration sector.  The manifolds are mounted on the interior wall of the drum and are secured directly to the drum wall as structural members.  Additionally, each manifold serves as a reservoir for storage of wash liquor.
Patent CA-1132177-A (CA)
Inventor: HYNES FRANK R
IPC: B65H43/00
Filed: 1979-04-05
Granted: 1982-09-21
Abstract: COPY SET COUNTER DUPLEX TRAY                 ABSTRACT OF THE DISCLOSURE         A  system for maintaining job integrity in a duplex copying apparatus is disclosed wherein the number of a first set of sheets coming into a duplex tray is counted and com-pared for coincidence with the number of the first set of sheets leaving the tray before separator fingers are retracted to allow the following sets of sheets to drop into position to be feed out of the tray.
Patent CA-1130719-A (CA)
Title: Liquid fuel burners
Inventor: BABINGTON ROBERT S
IPC: F23D11/00
Filed: 1979-05-17
Granted: 1982-08-31
Abstract: IMPROVEMENTS IN LIQUID FUEL BURNERS                           Abstract An improved fuel burner particularly adapted for domestic use and capable of burning fuels such as fuel oil and the like with extremely high efficiency and low pollutant output is com-prised of a pair of plenum type atomizers, each having a convex surface onto which the fuel is flowed for atomization, the atom-izers being disposed at the end of a flame tube which in turn is located within a blast tube, said atomizers further being disposed symmetrically with respect to the axis of both the flame tube and the blast tube whereby the spray output from the atomizers is dis-charged into the flame tube to create a stable flame front that can be readily ignited by a spark type of ignitor.  The atomizers are provided with one or more apertures through which atomizing gas is passed to generate the spray, and air access ports are located along the flame tube to provide the necessary air to complete the combustion process.
Patent CA-1101883-A (CA)
Inventor: FURRER PETER
IPC: C07C201/16
Filed: 1979-06-01
Granted: 1981-05-26
Abstract: Abstract A novel improved process for separating mixtures of 3- and 4-nitrophthalic acid is described. The said process comprises treating a mixture of 3- and 4-nitro-phthalic acid, which mixture is free from inorganic acid residues, in an aqueous-organic medium containing 1-20 per cent by volume of water, at a temperature of between 20 and 100°C, stepwise with a base capable of forming salts of 3- and 4-nitrophthalic acid, which salts are essentially insoluble in the reaction medium, the treatment being carried out by adding base until a pH value of about  2.8 is obtained, separating  the precipi-tating product consisting mainly of a 3-nitrophthalic acid mono-salt, subsequently precipitating, by the addition of further base, a product consisting principally of a 4-nitrophthalic acid salt, and finally converting the resulting nitrophthalic acid salts separately into the corresponding free acids, and optionally purifying these. The 3- and 4-nitrophthalic acid can be obtained by the process according to the invention in a simple manner in an isomer-free form and in good to very good yields.
Patent CA-1112895-A (CA)
Inventor: FAILES MICHAEL
IPC: G01J3/02
Filed: 1979-06-29
Granted: 1981-11-24
Abstract: ABSTRACT OF THE DISCLOSURE         This invention discloses a novel apparatus for the measurement of colour of a sample which comprises an illumination means to illuminate the sample, an electro-optical sensing head to receive the light from the illuminated sample and to output electronic signals and an electronic processing unit to process the signals.  The light source may in the preferred embodiment be the sun or the sample itself and a reference optical path is used for reference which is the same optical path as the optical path from the light from the sample.  The tristimulus values X, Y, Z and the chromaticity coordinates x, y of the sample with respect to the CIE standards for luminance and chromaticity values are produced for accurate colour measurement.
Patent CA-1171991-A (CA)
Inventor: BENTLEY HERBERT W
IPC: C09D5/34
Filed: 1979-10-17
Granted: 1984-07-31
Abstract: ABBTRACT A composition suitable for pipe jointing compounds is provided, which composition contains synthetic fibres, such as PTFE,FEP , polyethylene or polypropylene in admixture with a suitable carrier.
Patent CA-1135418-A (CA)
Inventor: HARTLAUB JEROME T
IPC: A61N1/372
Filed: 1979-11-05
Granted: 1982-11-09
Abstract: DIGITAL CARDIAC PACEMAKER    ABSTRACT             There is disclosed herein a programmable cardiac pacemaker pulse generator utilizing digital circuitry for controlling the provision of cardiac stimulating pulses. The pulse generator is capable of having the rate, the pulse width, the pulse amplitude, the refractory period, the sen-sitivity and the mode of operation programmed.  In addition, the pulse generator can have the output inhibited and can respond to programming signals causing a threshold margin test to be performed, effects of closure of the reed switch overridden, a hysteresis function added and a high rate ex-ceeding the normal upper rate limit programmed.  Many of the programmable functions of the pulse generator can either be programmed on a permanent or a temporary basis.  The pulse generator further includes means for signaling the accept-ance of a programming signal, and means to reset the program acceptance circuit if extraneous signals are detected as pro-gramming signals.  The program signal acceptance circuit per-forms several different checks on the detected programming signal including a parity check, an access code check and de-termining if the proper number of signals were transmitted within a given time.  The timing circuit of the pulse genera-tor includes a crystal clock oscillator and counter means for counting theclock pulses therefrom to determine the rate of the pacemaker.  The pulse width of each pacemaker pulse is determined by using a voltage controlled oscillator in place of the crystal oscillator to obtain energy compensation due to the battery voltage decreasing with time.
Patent CA-1161861-A (CA)
Inventor: FINKE MANFRED
IPC: C07F9/32
Filed: 1979-11-09
Granted: 1984-02-07
Abstract: Abstract of the disclosure:     Cyanohydrine derivatives of the formula   wherein R1 and R2 are alkyl, haloalkyl, cycloalkyl, ar-alkyl or aryl,  R3 and R4 are hydrogen, alkyl, phenyl or benzyl,  R5 is hydrogen, acyl. trialkylsilyl or alkoxy-carbonyl,  X is oxygen or sulfur and  n is zero or 1, are intermediates for the manufacture of flame retar-dants, bactericides, fungicides and herbicides.
Patent CA-1137495-A (CA)
Inventor: KRUEGER HANS-RUDOLF
IPC: C07D249/04
Filed: 1979-11-28
Granted: 1982-12-14
Abstract: ABSTRACT    Process for the manufacture of 5-mercapto-1, 2, 3-triazoles 5-Mercapto-1,2,3-triazoles of the formula I                       (I) (in which R1 represents H or optionally substituted C1-C4-alkyl), suitable as starting materials for the production of antibiotics, preferably cephalosporin derivatives, are prepared by reacting a 1,2,3-thiadiazole-4-R1-5-carboxylic acid azide with an alcohol or phenol to form a (1,2,3-thiadiazol-4-R1-5-yl)-carbamic acid ester, hydrolysing the carbamic acid ester in the presence of an acid or base to form a 5-amino-4-R1-1,2,3-thiadiazole and rearranging the 5-amino-4-R1-1,2,3-thiadiazole in the presence of a base.
Patent CA-1137581-A (CA)
Inventor: BOUTMY PATRICK E
IPC: H04J3/12
Filed: 1980-01-08
Granted: 1982-12-14
Abstract: ABSTRACT OF THE DISCLOSURE:           A supplementary information transmitting arrangement for a digital data transmission system in which the supplementary information is a low-frequency wave modulated or not modulated.        There is provided means for modulating the ?high? level parity of the incoming digital data signal by the low-frequency wave and means for restoring the low-frequency wave from the outgoing resulting digital signal from said modulating means.  The incoming digital signal can be binary or ternary coded and, if binary coded, be scrambled.  The modulating of the ?high? level parity is performed, in dependence on the period or phase of the low-frequency wave, by inserting a predetermined word or by modifying a ternary word when the incoming binary slgnal is scrambled and converted in ternary code.