baber/WOPTO huggingface dataset:
Patent CA-1237565-A (CA)
Inventor: SMARSLY WILFRIED
IPC: B22F3/15
Filed: 1984-11-14
Granted: 1988-06-07
Abstract: ABSTRACT OF THE DISCLOSURE            Process and device for producing compressed mouldings from loose or sintered metal powder A hermetically sealed capsule (10) containing degased metal powder (11) is embedded in a soft metal flow die (20). Subsequently the flow die (20) is compressed in a cavity block, thereby compressing the metal powder (11) by the hydrostatic pressure of the flow die and simultaneously shaping the said powder. This results in the reforming of the structure right down to the interior of the particles with compression of up to 100%. The shaping process can be aided by moulding dies (17, 18) embedded in the flow die (10) around the capsule (10) at a distance from each other and, when closed, forming a cavity, the shape of which deviates from that of the original shape of the capsule (10). The capsule (10) containing the metal powder is formed during closure of the moulding cavity.          (Fig. 3)
Patent CA-1232605-A (CA)
Inventor: UEDA IKUO
IPC: C07D217/08
Filed: 1984-11-19
Granted: 1988-02-09
Abstract: ABSTRACT OF THE DISCLOSURE              PYRIMIDOISOQUINOLINE DERIVATIVES      Pyrimidoisoguinoline derivatives of the formula:       wherein R1 is hydrogen, halogen or lower alkyl, R2 is amino, nitro or acylamino and R3 is carboxy or protect2d carboxy, and methods therefor.  The compounds, and pharmaceutically acceptable salts thereof, have activity as antiallergic agents.
Patent CA-1253034-A (CA)
Inventor: SINISCALCHI LUCIO
IPC: D04H1/42
Filed: 1984-11-27
Granted: 1989-04-25
Abstract: Abstract:     This process comprises the steps of mixing fibres, such as polyester or other fibres, with silicone treated fibres of various nature and origin to produce, after carding, a web     of mixed fibres which is then treated, on one face, with a mixture     of sticky plastic bonding agents and subsequently pressed through a calender     having two or more suitably heated cyl-inders         which reduces the thickness of the web     itself. At the output of the cylinders of the calender     the product     remains, for a short time, adhering with its sticky surface to the corresponding cylinder  , thus being subjected to a slight expansion process which causes the formation of air pockets   .
Patent CA-1271718-A (CA)
Inventor: SMITH RICHARD A G
IPC: C12N9/70
Filed: 1984-12-21
Granted: 1990-07-17
Abstract: Abstract A derivative of a fibrinolytic enzyme in which the catalytic site on the enzyme which is responsible for fibrinolytic activity is blocked by a human protein attached thereto by way of a reversible linking group.  Such derivatives are useful for treating thrombotic diseases in humans.
Patent CA-1229219-A (CA)
Inventor: CODY CHARLES A
IPC: C01G23/053
Filed: 1984-12-31
Granted: 1987-11-17
Abstract: Abstract of the Disclosure A process for preparing high quality titanium dioxide which exhibits excellent reflectance and tint strength when incorporated into a coating formulation.  The process involves the preparation of a seed solution wherein one of the seed curing factors of time, temperature and amount of alkaline neutralizing agent are varied to establish maximum reflectance and tint strength values obtained by the final product.  The process can be repeated to analyze one or both of the other factors.  The process can be used to prepare titanium dioxide in the anatase or rutile form and on a batch or continuous basis.
Patent CA-1223115-A (CA)
Inventor: SCHMIDT HANS-WERNER
IPC: C01F7/473
Filed: 1985-03-27
Granted: 1987-06-23
Abstract: ABSTRACT OF THE DISCLOSURE:           In a method of processing contaminated sodium oxalate which becomes available in a separating stage succeeding the digestion of bauxite in accordance with the Bayer process, chemicals used in the digesting process are recovered in that moist sodium oxalate which has been separated is dried with the hot exhaust gases from a rotary kiln jointly with aluminum hydroxide or aluminum oxide hydrate and/or reactive alumina at a mol ratio of aluminum to sodium of at least 0.8 and the dried product is decom-posed in said rotary kiln at a temperature of 780 to 1000°C to form sodium aluminate.  Suitably drying is effected by spray drying in direct contact with the exhaust gases of the rotary kiln and decomposition is effected at a tempera-ture in the range from 850 to 950°C and with an Al:Na ratio not in excess of 1.2.
Patent CA-1238769-A (CA)
Inventor: BENTELL LARS
IPC: F23G5/08
Filed: 1985-04-09
Granted: 1988-07-05
Abstract: ABSTRACT     METHOD OF DESTROYING HAZARDOUS WASTES            The invention relates to a method of destroying hazardous waste, by means of under-stoichiometric incineration at a temperature of at least 1200°C, the ratio between injected waste material and oxidant being regulated to give a quotient CO2/CO + CO2 of less than 0.1.
Patent CA-1235653-A (CA)
Inventor: DEATON THOMAS M
IPC: E21B34/08
Filed: 1985-05-08
Granted: 1988-04-26
Abstract: ABSTRACT OF THE DISCLOSURE       Disclosed is a safety and kill valve device useful in tubing above a packer set above a producing formation in a well, operable to shut off tubing flow and open wall flow passages to the well annulus through which heavy formation killing fluid may be pumped into the tubing.  A lower ball valve is used to shut off tubing flow and an upper sleeve valve, cooperable with the ball valve, controls flow through the wall flow passage.  An operating tube moves downwardly, opening the ball valve and closing the sleeve valve while compressing a spring.  The compressed spring furnishes operating force to move the operating tube upwardly, closing the ball valve and opening the sleeve valve.  Two embodiments operate automatically in response to higher well annulus pressures.  Another embodiment may be controlled through conduit from the surface or operate automatically in response to higher annulus pressures.  All embodiments may operate repeatedly without retrieving from a well.
Patent CA-1240952-A (CA)
Inventor: KISNER HOWARD D
IPC: G01N27/409
Filed: 1985-05-22
Granted: 1988-08-23
Abstract: HIGH RATE SPUTTERING OF             EXHAUST OXYGEN SENSOR ELECTRODE          Abstract of the Disclosure:         A method of sputtering a platinum exhaust gas electrode onto a vitrified zirconia thimble for an electrochemical-type exhaust gas oxygen sensor.  Porous high surface area films are consistently deposited at high rates.  A DC magnetron cathode assembly having a magnetic field strength of at least 500 gauss across its target face is used at a sputtering power of about 4 - 9 kilowatts.  A thimble-target spacing of less than about 3.0 cm, a pressure less than about 10 millitorr, a sputtering atmosphere consisting essentially of more than about 50 percent nitrogen and/or oxygen, an electrically isolated deposition surface, and an electrically floating reference electrode precoated on the zirconia thimble surface are used.
Patent CA-1268649-A (CA)
Inventor: KARVINEN MIKKO
IPC: D21F3/02
Filed: 1985-05-23
Granted: 1990-05-08
Abstract: ABSTRACT OF THE DISCLOSURE         A press section of a paper machine includes, in the direction of web run, at least three successive, separate press nips for dewatering a web, the web passing between the nips in a closed draw.  The web is dewatered in the first nip through both of its faces.  The press section includes at least one upper fabric and lower fabrics, the first fabrics in the direction of web run being water-receiving fabrics arranged such that one of the first fabrics acts as a press fabric in the first nip while the other of the first fabrics acts as a press fabric both in the first as well as in the second nip.  Of the second fabrics in the direction of web run, the upper fabric is a water-receiving press fabric while the second lower fabric is a substantially non-water-receiving transfer fabric or belt on which the web is transferred from the third press nip to the following drying section as a closed draw.  The third separate press nip comprises an extended nip press, the length of the nip zone thereof being substantially larger than the lengths of the zones of the preceding roll nips.  the web runs through the nip zone of the extended-nip press supported on its bottom side by the substantially non-water-receiving transfer fabric, the upper water-receiving fabric being pressed against the other side of the web.
Patent CA-1260059-A (CA)
Inventor: SHUEY KENNETH C
IPC: H04B3/54
Filed: 1985-06-26
Granted: 1989-09-26
Abstract: ABSTRACT OF THE DISCLOSURE          A current limiter is provided which responds to the magnitude of the output current signal from a power amplifier.  A  full wave rectified signal  is provided in response to the magnitude of the current output signal and is used as an input to a comparator.  The other input of the comparator is a voltage reference signal that repre-sents  a  maximum  desired  current  level  for  the  output current signal of the power amplifier.  When the  output current signal exceeds its reference level, a signal is provided which is used as an input to an exclusive-OR gate which has,  as  its other input,  a modulated square wave signal.  The effect of the exclusive-OR gate is to notch the square wave modulated signal in such a way so as to alter its shape.  The altered square wave carrier signal causes the MOSFETs of the power amplifier to switch on and switch off at additional occurrences which has the effect of reducing the maximum current level of the output current signal being output by the power amplifier.
Patent CA-1242955-A (CA)
Inventor: CEDERCREUTZ AXEL
IPC: B29C65/50
Filed: 1985-09-09
Granted: 1988-10-11
Abstract: Abstract of the Disclosure A spiral wire and a method of manufacturing a spiral wire comprising adjacent spirals (1) positioned in pairs with their loops (1a) intermeshing to form rows of loops in the transverse direction of the wire, and link threads (2) inserted in the rows. The wire is subjected to thermal fixation by simul-taneous stretching and heating thereof.  In order to fix the loops axially immovably on the link threads, the link thread is formed by a core thread (3) provided with a coating (4) deformable at a lower temperature than the core thread.  During the thermal fixation the coating softens and is pressed from under the loops into the spaces between the loops and the coating is provided with grooves (5) for fixing of the loops without deformation of the core thread. (Figure 4)
Patent CA-1271181-A (CA)
Inventor: BRAGIN BORIS F
IPC: F16K3/30
Filed: 1985-09-18
Granted: 1990-07-03
Abstract: GATE VALVE   Abstract A gate valve has a housing provided with a passage embraced by a valve seat for a fluid medium carrying solid particles to flow therethrough. A gate is provided connected to a rod of a drive through a beam member. A hole in the beam receives a shank with a clearance extending axially of the rod. Ends of the beam are pliable axially of the passage and have bevels to engage with stops of the housing. The housing has a projection to limit the travel of the gate axially of the rod.
Patent CA-1244674-A (CA)
Inventor: LAVELY DANIEL
IPC: B32B1/08
Filed: 1985-09-30
Granted: 1988-11-15
Abstract: ABSTRACT OF THE DISCLOSURE          A composite rod structure including a slotted cylindrical-shaped jacket member and a flat rod member disposed within the slot of the jacket member for registration therewith.
Patent CA-1244919-A (CA)
Inventor: GUNTON DAVID J
IPC: G01V3/12
Filed: 1985-10-16
Granted: 1988-11-15
Abstract: A B S T R A C T          A method and antenna assembly for transmitting into the ground polarisable radiation for use therewith in which buried objects, and particularly long thin objects such as pipes can be located, the position determined, and the pipe direction ascertained, by taking measurements from a single point, without mechanical movement of the antenna, and thereby allowing for good suppression of spurious signals and a reduction in false indications.  The method includes the steps of transmitting into the ground polarisable radiation, receiving reflected signals, indicative of said objects, incident upon at least two co-located angularly disposed transducers and comparing the signals thus received, said radiation being transmitted from a transducer source which is co-located but angularly disposed with respect to each receiver transducer.     An antenna assembly suitable for use in the method of the invention comprises a substantially planar arrangement of at least three, co-located, two-terminal antennas wherein the antennas are angularly disposed with respect to each other around a common point and each antenna is adapted to be capable of selectively transmitting polarisable radiation into the ground and receiving reflected radiation from out of the ground.
Patent CA-1251812-A (CA)
Title: Navire a quilles laterales a effet de surface muni  d'une fermeture avant perfectionnee de coussin de  sustentation
Inventor: BERTRAND JEAN-PAUL
IPC: B60V3/06
Filed: 1985-11-08
Granted: 1989-03-28
Abstract: Navire à effet de surface du type comprenant une structure sustentée munie de deux quilles latérales, un dispositif de fermeture arrière et un dispositif de fermeture avant coopérant pour délimiter un coussin central de sustentation. La fermeture avant comprend une enceinte supérieure d'extension horizontale, s'étendant entre les deux quilles latérales, qui communique avec le coussin central pour être alimentée par celui-ci et deux rangées de jupes inférieures multilobées raccordées en-dessous de l'enceinte supérieure, qui convergent vers le centre du coussin central de haut en bas, et dont la concavité est dirigée vers le centre du coussin central, les jupes multilobées délimitant entre elles des chambres intermédiaires qui communiquent avec l'enceinte supérieure grâce à des orifices ménagés dans la paroi de celle-ci.
Patent CA-1260483-A (CA)
Inventor: RATZ ILDIKO NEE SIMONEK
IPC: A23K1/16
Filed: 1985-12-11
Granted: 1989-09-26
Abstract: ABSTRACT OF THE DISCLOSURE        The present invention relates to new carbazates of the general formula (I),   (I) wherein A     is C3-10 alkyl, C3-10 alkenyl, C2-10 haloalkyl, trifluoromethyl, phenyl-C1-3alkyl, phenyl-C2-3-alkenyl, naphthyl-C1-3alkyl; phenyl optionally substituted by one or more identical or different substituent(s) selected from C1-4 alkyl, halogen, C1-4 alkoxy and hydroxy; C3-7 cycloalkyl-C1-3alkyl; optionally nitro-substituted furyl; diphenyl-hydroxy-methyl or indazolyl optionally substituted by one or more C1-4 alkoxy group(3) and R     represents C1-4 alkyl, with the proviso that if R stands for ethyl, A is other than tertiary butyl, and acid addition salts thereof, a process for the prepara-tion thereof and feed-additives comprising the same.       The compounds of the general formula (I) may be used in animal husbandry due to their weight-gain increasing and fodder utilization improving effect.
Patent CA-1265066-A (CA)
Inventor: DRORI MORDEKI
IPC: B01D29/46
Filed: 1985-12-13
Granted: 1990-01-30
Abstract: ABSTRACT     A filter including a housing having an inlet connectable to an upstream pipe, and an outlet connectable to a downstream pipe; and a stack of discs disposed within the housing for separating solid particles from a fluid flowing between the discs from the upstream side of said stack to the downstream side thereof; characterized in that the  stack includes a plurality of filter discs having a large surface area of their side faces formed with grooves and a spacer member interposed between each pair of adjacent filter discs, the spacer members having surfaces contacting only a portion of the grooved faces of the filter discs on the upstream side of the stack not contacted by the spacer members to thereby form compartments on the upstream side of the stack for accumulation of solid particles which settle in the grooves, edge filtering passageways along the upstream edges of the spacer members in contact with the grooved faces of the filter discs, which passageways define the size of particles separated by the filter and further filtering passageways of large surface area in the compartments, these latter passageways extending between the particles settling in the grooves in the compartments and through the grooves to the downstream side of the stack.
Patent CA-1265074-A (CA)
Inventor: OTA AKIHO
IPC: B65D41/08
Filed: 1986-03-14
Granted: 1990-01-30
Abstract: ABSTRACT OF THE DISCLOSURE      A neck structure of a bottle-shaped container of synthetic resin associated with a calked cap member of a top-closed cylindrical shape of thin aluminum plate at a neck cylindrical portion having threads circumferentially formed on the outer periphery of the upper end of the neck cylindrical portion; at least one thick coupler of relatively large diameter formed between the upper end of the neck cylindrical portion and the lower end of the neck cylindrical portion; and the couplers formed with a plurality of longitudinal strips on the outer periphery thereof and recesses between the longitudinal strips.  The neck structure of the synthetic resin bottle shaped container is constructed to be adapted to be associated with a pilfer-proof-cap of a new structure in such a manner that the lower end of the pilfer-proof-cap is relatively increased in the height width of a thick coupler for forming an engaging step for engaging the lower end of the pilfer-proof-cap from below.
Patent CA-1268252-A (CA)
Inventor: SHIKICHI SATOSHI
IPC: G11B27/36
Filed: 1986-04-14
Granted: 1990-04-24
Abstract: ABSTRACT OF THE DISCLOSURE        The information recording method of the present invention comprises steps of recording information on a recording medium by a recording head during forward movement, reading the information recorded during the forward movement in the opposite sequence to the recording sequence during backward movement, and checking if the information has been correctly written or not based on the information read during the backward movement.
Patent CA-1259428-A (CA)
Inventor: SCHMIDT MATHEW G
IPC: G01V5/00
Filed: 1986-04-21
Granted: 1989-09-12
Abstract: NUCLEAR WELL LOGGING DATA ACQUISITION SYSTEM AND METHOD     ABSTRACT     A generalized computer-based system and method for acquisition of nuclear well logging data, including downhole generation of energy and time spectral information.  A downhole instrument traverses a borehole introducing high energy neutrons into the formation at prescribed depths.  Resultant gamma rays are detected and converted into pulses which are amplified and conditioned. For acquiring energy spectrum data, a downhole multi-parameter analyzer is provided including a pulse height analyzer and memory.  The analyzer converts each gamma ray pulse height into a digital code by peak detection, level and pulse pile-up discrimination, sample-and-hold, and analog-digital conversion.  The digital code includes the address of a unique memory location or channel corresponding to the energy of the particular gamma ray.  After a preselected time interval which may include several source firings, the memory channels collectively contain counts for each incremental energy band in the desired energy spectrum.  The memory may then be interrogated by the downhole CPU for spectral analysis, transmission of the spectrum to the surface, and presentation of a gamma ray emission versus energy level plot.        For acquiring temporal spectrum data, the multi-parameter analyzer also includes a memory address generator.  The generator repeatedly produces a numerical sequence of memory address codes corresponding to a sequence of adjacent time windows.  Each code uniquely defines a different discrete time window relative to a reference start time, whereby the windows collectively comprise the time interval of the desired spectrum.  Each time a gamma ray pulse is detected, the memory address generated at that time addresses a corresponding memory location and increments the count value resident therein. At conclusion of the time spectrum interval of interest which may include the source firing interval, the memory locations may be interrogated by the CPU and the resultant spectral data analyzed, transmitted to the surface, or presented visually as a gamma ray emission count versus time plot.
Patent CA-1252215-A (CA)
Inventor: ASHFORD THOMAS J
IPC: G06N5/04
Filed: 1986-04-23
Granted: 1989-04-04
Abstract: ABSTRACT            A method for solving problems using an expert system in which the Rulebase includes a section having specific definitions of pro-cesses or procedures which are available to the expert system as a data source. The method allows data to be collected dynamically in response to and in accordance with parameters supplied by the expert system and at a time determined by the expert system. The ability of the expert system to provide meaningful conclusions is considerably enhanced when such type of data is made available since any process or procedure that can be executed on the host for the expert system can become a source of current data for analysis by the expert system.  Computer hardware diagnostic applications can include running self-diagnostic procedures even on the host system.
Patent CA-1270093-A (CA)
Inventor: MUELLER GERHARD
IPC: C08G18/10
Filed: 1986-05-30
Granted: 1990-06-05
Abstract: PROCESS FOR THE PREPARATION OF ELASTIC   POLYURETHANE FLEXIBLE FOAMS USABLE IN COLD-MOLD TECHNIOUES TO PRODUCE MOLDED ARTICLES Abstract of the Disclosure The invention is a process for the preparation of elastic polyurethane flexible foams having densities from approximately 25 to 60 kg/m3, and producing molded articles in closed molds at temperatures from 25 to 80°C, comprising reacting A)  an organic polyisocyanate prepolymer having an isocya-nate content from 6 to 20 percent by weight prepared by reacting a toluene diisocyanate and/or a diphenylmethane diisocyanate with a di- to tetrafunctional polyether polyol having a hydroxyl number from 20 to 50 and oxyethylene terminal group content of at least 10 to 30 percent by weight B)  a mixture of compounds containing reactive hydrogen atoms, comprising a mixture of a)  from 55 to 89.5 parts by weight of at least one di-to tetrafunctional polyether polyol having a hydroxyl number of from 20 to 80 and less than 10 percent by weight terminal oxyethylene groups, b)  from 0.5 to 20 parts by weight of at least one alkanolamine, and c)  from 10 to 25 parts by weight water, in the presence of C)  a blowing agent, D)  a catalyst, and optionally E)  auxiliaries and/or additives.
Patent CA-1263666-A (CA)
Inventor: AMIET LOUIS
IPC: C07C67/08
Filed: 1986-06-13
Granted: 1989-12-05
Abstract: A process for the preparation of methyltrifluoroacetate. Trifluoroacetic acid is contacted with an excess of methanol and distilled to form a methyltrifluoroacetate/methanol azeotrope. The azeotrope is contacted with trifluoroacetic acid in the presence of a catalytic quantity of a strong acid followed by distillation to obtain methyltrifluoroacetate. The methyltrifluoroacetate can be used as a synthesis intermediate in the pharmaceutical industry.
Patent CA-1246756-A (CA)
Inventor: LEHRER WILLIAM I
IPC: C23C28/04
Filed: 1986-06-20
Granted: 1988-12-13
Abstract: ABSTRACT OF THE DISCLOSURE          There is disclosed herein a stress relieved intermediate insulating layer consisting of one or more layers of spun-on glass lying over a metalization pattern.  The spun-on layers are allowed to crack from thermal stress imposed upon the structure.  The cracks in the spun-on layers are then filled with a glass layer deposited by CVD or LPCVD.