baber/WOPTO huggingface dataset:
Patent CA-1122438-A (CA)
Title: Silicon nitride life prediction method
Inventor: HAVSTAD PETER H
IPC: G01N17/00
Filed: 1979-06-22
Granted: 1982-04-27
Abstract: ABSTRACT     A method is disclosed for predicting the service life of silicon nitride material under operating con-ditions of a ceramic turbine engine in which an  article is subjected to high temperatures under oxidizing con-ditions.  The method for selecting a silicon nitride article to be used under these high temperature oxi-dizing conditions is generally as follows.      A determination is made of the weight gain of a silicon nitride article under oxidizing conditions for a testing period of at least 12 hours at a temperature in the range from about 1800°F (932°C) to about 2500°F (1371°C).  The weight gain determination is made after the silicon nitride article has been manufactured, and prior to its being subjected to any previous high temperature oxidizing conditions.  The weight the silicon nitride article would gain at a projected time, which is a number of hours greater than the testing period,is empirically determined from the weight gain determinations made in the testing period.  The silicon nitride article is accepted or rejected for further use under high temperature oxidizing conditions based upon the empirically determined weight gain at the projected time.  For example, if the amount of weight gained at the projected time is too great, the article is re-jected as being one which will not have a long life under high temperature oxidizing conditions.
Patent CA-1120365-A (CA)
Title: Album leaf with pockets for insertion of photographic  paper prints and similar articles
Inventor: WIHLKE HANS
IPC: B42D1/08
Filed: 1979-06-29
Granted: 1982-03-23
Abstract: ABSTRACT OF THE DISCLOSURE:          An album leaf with insertion pockets for mounting of planar rectangular articles and comprising at least two superimposed layers of especially plastic, the lower or inter-mediate layer being opaque while the other layer or layers being transparent, the layers being joined together along the peripheral leaf edges and along frame lines defining the article pockets, the album leaf having a horizontally oriented rectangular format with a margin along one of the short sides of the leaf for binding purposes, the leaf with reference to the binding margin being symmetrical relative to the longitudinal centre axis of the binding margin, so that the leaf may be turned around said axis and the leaf having a length on the short side being sub-stantially at least equal to the sum of the length of one short and one long side of an article, while having a length on the long side being substantially equal to twice length of the article on the long side.  According to the invention, one article pocket frame line extends parallel to the long sides of the leaf and is spaced from one of the long sides of the leaf a distance substantially corresponding to the length of the short side of an article, while a further frame line running parallel to the other of the long leaf sides and spaced the same distance there-from, extends from a frame line defining the binding margin on the short leaf side, respectively, along only a short distance substantially corresponding to the difference between the lengths of the short and long sides of an article.
Patent CA-1133302-A (CA)
Title: Photographic processing roller with surface  roughened by pulsed laser
Inventor: FRIEDMAN HARVEY S
IPC: B44B7/00
Filed: 1979-08-13
Granted: 1982-10-12
Abstract: ABSTRACT OF THE DISCLOSURE      An improved cylindrical processing roller is provided for use in a motor driven photographic processing apparatus of the type which spreads a fluid processing composition in a thin, substantially uniform layer between selected layers of integral type self-processable film units while advancing the film units to the exterior of a camera after they have been photoexposed.  The improvement in the roller resides in a novel circumferential roller surface roughened by a method which utilizes a pulsed laser to form a plurality of microscopic craters in the surface.       The cratered surface provides the roller with a high-friction characteristic for transporting the film units but is insufficiently rough to leave any visually perceptible marks on them.
Patent CA-1123635-A (CA)
Inventor: WEIDNER HARRY C JR
IPC: F16B33/00
Filed: 1979-08-15
Granted: 1982-05-18
Abstract: FASTENER               ABSTRACT OF THE DISCLOSURE   An improved fastener is utilized to provide a sealed connection between two or more members.  The fastener includes a threaded metal shank having a head with a relatively large radially extending collar.  An end portion of the shank head extends outwardly from the collar.  An outer head or covering of polymeric material is molded around the metal shank head.  The outer head of polymeric material engages a recess in the metal shank head to hold the polymeric material against rotation when fastener is tightened by applying torque to the polymeric material.  The outer head of polymeric material includes a stiff annular skirt which circumscribes the shank of the fastener.  The skirt slopes inwardly toward the shank so that when the fastener is tightened, the skirt is pivoted or folded inwardly between the collar and the member to which the fastener is connected.  This enables the skirt to provide a weather tight seal between the fastener and the member.  This seal is maintained by clamping the skirt between the collar and the member.
Patent CA-1126360-A (CA)
Inventor: CHOW WEICHIEN
IPC: H01R13/42
Filed: 1979-10-09
Granted: 1982-06-22
Abstract: ABSTRACT OF THE DISCLOSURE           An electrical connector housing for removably retaining an electrical contact consisting of a dielectric body with a passageway having a flexible latch which co-operates with a forward stop and abutment shoulders to lock the contact in the housing without interfering with the termination section of the contact.
Patent CA-1116932-A (CA)
Inventor: MILLER DONALD E
IPC: A23L35/00
Filed: 1979-11-26
Granted: 1982-01-26
Abstract: ABSTRACT OF THE DISCLOSURE     A non-pourable, flavored, spreadable emulsion comprising about 8 to about 15% of a high solids fat, the balance being water and sweetening agent with lesser amounts of stabilizing agent, emulsifier, and protein.  The use of a high solids fat makes the emulsion temperature stable over a wide temperature range.  The emulsion is particularly suitable as a spreadable syrup for such food products as pancakes and waffles, and becomes fluid at the usual temperatures of serving of such products.
Patent CA-1103620-A (CA)
Inventor: LEVITT BEN
IPC: A47B96/02
Filed: 1979-11-30
Granted: 1981-06-23
Abstract: ABSTRACT OF THE DISCLOSURE          An improved sheet metal shelf is disclosed which may be made without welding, thus allowing prepainted or finished metal sheet to be used.  The shelf is a one piece metal shelf having a top panel, side walls and end walls extending down from the sides and ends respectively of the top panel, and co-operating means on the side and end walls for mechanically joining the side and end walls together at the corners of the shelf.
Patent CA-1152278-A (CA)
Inventor: WINSTEAD THOMAS W
IPC: B29C48/92
Filed: 1979-12-17
Granted: 1983-08-23
Abstract: - 30 -Abstract of the Disclosure A dynamic cooler apparatus is provided for dynamically cooling molten plastic extrudate while pumping metered amounts of that extrudate to an extrusion die or the like. The dynamic cooler apparatus utilizes bi-helical gears in a gear pump configuration in a housing in which a heat exchange medium is circulated. The heat exchange medium is also circulated internally of the gears so that the gear teeth and the housing act to cool discrete volumes of extrudate from four sides defined by the gear teeth and the internal surface of the housing. The bi-helical gears are driven to minimize loading between the teeth thereof and to permit the teeth to be as small as practical to present more cooling surface for a given cross-section of extrudate and optimize the heat transfer capability of the dynamic cooler apparatus. Provision is also made to use the molten extrudate as a lubricant for the shafts and bearings of the bi-helical gears.
Patent CA-1088990-A (CA)
Inventor: VAN TONGEREN HENDRICUS F J J
IPC: H01J29/89
Filed: 1980-01-24
Granted: 1980-11-04
Abstract: ABSTRACT:               The optical cross-talk in the target of a camera tube which comprises, for example, a target made of lead monoxide is reduced by an element which overlaps the entire target. If this element consists of a filter which is arranged in front of the photo-sensitive layer, a spectral transmission which is adapted to the spectral sensitivity of the target is imparted thereto. A filter which is arranged behind the target is preferably con-structed so that it is also low-reflective for incoming light. In order to prevent excessive transverse conduction, the latter filter may have a mosaic structure consisting of mutually insulated areas. The element may alternatively be formed by a target support which is separa-tely arranged in the camera tube and which has a small thickness.
Patent CA-1124953-A (CA)
Title: Sleeve implant
Inventor: FINNEY ROY P
IPC: A61F2/26
Filed: 1980-03-24
Granted: 1982-06-08
Abstract: SLEEVE IMPLANT                    Abstract of the Disclosure An implantable sleeve for increasing the penile diameter includes a flexible sheet of soft, physiologically acceptable implantable material, said sheet being of sufficient length when formed in the general shape of a cylindrical sleeve to extend from the glans penis to the base of the penis and of a width which is insufficient to completely encircle the penis, but sufficient to cover the corpra cavernosa.  The sheet preferably has edges which are rounded and tapered side edges.  The sleeve also includes suturing strips on the inside wall of the sleeve adjacent the side edges of the sheet which facilitate the suturing of the sheet to the tunica albuginea.  The sleeve further includes porous patches located on the interior of the inside wall of the sleeve into which fibroblasts from the underlying tissues can grow to further anchor the sleeve to the tunica albuginea.          In the preferred embodiment, the sheet is of very soft, medical grade silicone elastomer, and suturing strips are of Dacron * fabric and the porous patches are of dacron fabric or fluff.     * Trade Mark
Patent CA-1152521-A (CA)
Inventor: HARRIS NORMAN
IPC: C07D307/08
Filed: 1980-04-10
Granted: 1983-08-23
Abstract: ABSTRACT                 PRODUCTION OF TETRAHYDROFURAN.         Tetrahydrofuran is produced by converting allyl alcohol to an allyl t-alkyl or -cycloalkyl ether of the general formula:                                (III) wherein R1 and R2 each, independently of the other, represent a C1 to C4 alkyl radical, and R3 and R4 each, independently of the other, represent a hydrogen atom or a C1 to C3 alkyl radical, or wherein R1 represents a C1 to C4 alkyl radical, R2 and R3 together with the carbon atoms to which they are attached form a 5-membered or 6-membered cycloaliphatic ring, and R4 represents a hydrogen atom or a C1 to C3 alkyl radical, followed by reacting resulting compound of formula (III) under hydroformylation conditions with carbon monoxide and hydrogen in the presence of a hydroformylation catalyst to form a corresponding aldehyde-ether of the general formula:             (I) reducing resulting aldehyde-ether of the general formula (I) a corresponding hydroxy-ether of the general formula:                (II)   and cleaving resulting hydroxy-ether of the general formula (II)  under dehydrating conditions to produce tetrahydrofuran. Typically R1 and R2 each represent a methyl group whilst R3 and R4 each represent a hydrogen atom.  The alkene of the general formula:          (IV) released upon cleavage of the hydroxy-ether of formula (II) can be recycled for reaction with further allyl alcohol to form a further quantity of the ether of the general formula (III).
Patent CA-1090921-A (CA)
Inventor: LEMOINE MAURICE G
IPC: H03M1/12
Filed: 1980-06-10
Granted: 1980-12-02
Abstract: ABSTRACT OF THE DISCLOSURE          A time displacement adjustment device compensates time base errors that progressively cumulate in a time varying signal having a synchronizing information component from which the signal time base can be determined.  Periodically, the synchronizing component is sampled and a representation thereof continuously generated with the component's timing relationship to the signal retained.  Each continuously generated representation and the succeeding sample of the synchronizing component are compared to determine the time base error that progressively occurs in the signal between the successive samples of the synchronizing component.  That signal is expanded or compressed accordingly to correct the erroneous timing.          A digital to analog converter is responsive to clock signals to receive and convert a series of digital signals to an analog representation.  An adjustable time base clock signal generator provides a clock signal having a time base dependent on the time base of a time base control signal.  The clock signal is coupled to the digital to analog converter to command it to convert the series of digital signals to an analog representation.
Patent CA-1139160-A (CA)
Inventor: FOSTER ALAN I
IPC: C23C16/40
Filed: 1980-07-04
Granted: 1983-01-11
Abstract: ABSTRACT OF THE DISCLOSURE       This case relates to a process for forming protective metal oxide films on metal or alloy substrate surfaces susceptible to coking, corrosion or catalytic activity.  The process comprises first pre-oxidising the substrate surface and then depositing on the pre-oxidised surface a metal oxide of Ca, Mg, Al, Ga, Ti, Zr, Hf, Ta, Nb or Cr by vapour phase decomposition of a volatile compound of the metal which has at least one metal-oxygen bond. Nitrogen, helium, argon, carbon dioxide, air or steam may be used as carrier gases for the metal compound.
Patent CA-1138767-A (CA)
Inventor: STANEK ARTHUR W
IPC: B29C65/18
Filed: 1980-09-15
Granted: 1983-01-04
Abstract: Abstract of the Disclosure A cut off and sealing mechanism for a tubular film wrapper containing spaced articles including rotary shaft-mounted crimpers with confronting film-engaging faces producing closing and sealing or crimping of the film in the seal area, one of the crimpers being spring-mounted relative to the frame of the machine; one crimper containing a stationary cutting blade at the film-engaging face of the crimper; and the other crimper having a yieldable anvil blade to bear against the edge of the knife blade and yield under the influence thereof to maintain a predetermined pressure relationship between the knife blade and the anvil blade for producing cutting of the film.
Patent CA-1151241-A (CA)
Inventor: SCHERZ MICHAEL
IPC: G01N27/447
Filed: 1980-10-29
Granted: 1983-08-02
Abstract: ABSTRACT OF THE DISCLOSURE   A method of an apparatus for examining substances by subjecting them to a mechanical force while measuring the electrical effect derived from any resulting charge orientation.  The mechanical force can be obtained by linearly accelerating or decelerating the sample but a centrifuge is preferably employed to give high g forces; an electrode system is used to provide an output signal. The output signal can be plotted against changing g forces to give a force spec-trum analysis graph.  An apparatus for using such method is also described. The apparatus comprises a direct or capacitive electrode system with one or more electrodes made of noble metal,
Patent CA-1140948-A (CA)
Title: Demolition agent, its preparation and its  use
Inventor: KAWANO TOSHIO
IPC: F42D3/02
Filed: 1980-10-31
Granted: 1983-02-08
Abstract: TITLE OF THE INVENTION     DEMOLITION AGENT, ITS PREPARATION AND ITS USE               ABSTRACT OF THE DISCLOSURE          A demolition agent which acts by means of expansive stress generated upon hydration and which is prepared by calcining limestone at 1300 to 1600 °C to produce a hard-burned quick lime whose crystal sizes are 10 to 100 micron, pulverizing the resulting hard-burned quick lime to 1500 to 5000 cm2/g (Blaine), mixing 5 to 70 parts by weight of a hydraulic material to 30 to 95 parts by weight of the hard-burned quick lime and furthermore adding 0.1 to 5 parts by weight of an admixture comprising a water reducing agent to 100 parts by weight of the mixture of the powdery hard-burned quick lime and the hydraulic material.        The demolition agent is used as an aqueous slurry.          The slurry is filled into holes of a brittle material to demolish the brittle material by means of expansive stress generated upon hydration.
Patent CA-1150286-A (CA)
Title: N-(hydroxyalkyl)-7-hydroxycoumarin-3-carboxamides
Inventor: BUCKLER ROBERT T
IPC: C07D311/16
Filed: 1980-11-28
Granted: 1983-07-19
Abstract: ABSTRACT OF THE DISCLOSURE Title compounds of the formula: wherein R is hydroxy substituted lower alkyl. The compounds have advantageous water solubility and spectral characteris-tics for use as instrument calibrators for certain homo-geneous fluorescent immunoassays.
Patent CA-1186325-A (CA)
Inventor: CREUZET MARIE-HELENE
IPC: A61P1/00
Filed: 1981-02-13
Granted: 1985-04-30
Abstract: ABSTRACT OF THE DISCLOSURE   Compounds, exhibiting central nervous system activity, of the formula            (I) wherein R1 is phenyl which is unsubstituted or substituted by at least one member selected from the group consisting of halogen, CF3, C1-C4 alkyl, C1-C4 alkoxy and COOH, or   R1 is a heterocycle selected from the group consisting of   R2, R3, R4 and R5, which may be identical or different, are H or CH3;     R6 and R7, which may be identical or different, are C1-C6 alkyl, which may be straight-chained or branched, or R7 can be H when R6 is a branched-chain alkyl, or R6 and R7 can form, with the nitrogen to which they are bonded, a heterocycle selected from the group consisting of   R8, R9, R10 and R11, which may be identical or different, are H, halogen, CF3, hydroxy or C1-C4 alkoxy; and two contiguous members of R8, R9, R10 and R11 may together form a chain -O-(CH2)n-O-, where n = 1 or 2, or a chain -O-CH2-O-CH2-; and pharmaceutically acceptable addition salts thereof are disclosed, along with a method of producing the same, and pharmaceutical compositions comprising the same.
Patent CA-1155737-A (CA)
Inventor: KOEVER LASZLO
IPC: G01N31/22
Filed: 1981-03-12
Granted: 1983-10-25
Abstract: ABSTRACT        The present invention provides a process for the detection of redox reactions by introducing a redox reagent system into a test system, wherein a soluble iodate is additionally added to the test system in an amount which is in excess of the highest amount of disturbing reducing agents present in the test system.     The present invention also provides a diagnostic agent for the detection of redox reactions containing a redox reagent system, wherein the test system used additionally contains an iodate which is soluble therein in an amount which is in excess of the highest amount of disturbing reducing agents present in the test system.
Patent CA-1155150-A (CA)
Title: Latch bolt assembly with selectively adjustable  spindle backset
Inventor: BERGEN GARY R
IPC: E05B63/06
Filed: 1981-04-21
Granted: 1983-10-11
Abstract: LATCH BOLT ASSEMBLY WITH SELECTIVELY ADJUSTABLE SPINDLE BACKSET       Abstract of the Disclosure:           A bolt is movable in a door-mounted casing between extended and retracted positions relative to the door edge by a latch operating mechanism including a transverse half-round spindle.  The spindle actuates the latch operating mechanism by engagement with a longitudinally forward en-gagement surface of an insert assembled with the latch operating mechanism in spindle forward backset position, the motion being transferred longitudinally rearwardly by the insert into the latch operating mechanism and then forwardly to the bolt.  The insert is in motion transferring connection with rearward projections of the latch operating mechanism retained in assembly partially by a casing rearward extension and partially by a casing telescoping removable sleeve.  Adaption to spindle rearward backset positioning is accomplished by sleeve removal and end for end repositioning, insert transverse removal and sleeve telescoping repositioning in a lesser casing telescoping with the spindle then engaging rearwardly positioned engagement surfaces of the latch operating mechanism transferring motion directly therethrough forwardly to the bolt.  The sleeve has a transverse operator opening aligned with the particular insert engagement surfaces or latch operating mechanism engagement surfaces in the alternate sleeve positioning, as well as fastener openings likewise alternately positioned.
Patent CA-1154697-A (CA)
Inventor: KUETTNER KLAUS E
IPC: C12N5/00
Filed: 1981-04-22
Granted: 1983-10-04
Abstract: ABSTRACT         Chondrocytes are cultrued to prodcue cartilage tissue from which an anti-invasion factor (AIF) may be recovered.  Mammalian cartilage providing at least about 60% viable chodrocytes is enzymatically digested to denude the cells of their extracellular matrix.  The denuded cells are plated at high density and cultured to produce cartilage tissue.
Patent CA-1159043-A (CA)
Inventor: EPSTEIN RONALD A
IPC: C08F4/64
Filed: 1981-05-07
Granted: 1983-12-20
Abstract: NOVEL TITANIUM HALIDE CATALYST           COMPONENT             ABSTRACT         A novel catalyst system for the polymeriza-tion of alpha-olefins is provided.  The catalyst system comprises:  (a) an organoaluminum containing component, e.g. triethyl aluminum, and (b) a titanium halide containing component.  The titanium halide containing component is obtained by co-pulverizing a halogen containing magnesium compound, e.g. MgCl2, with an electron donor compound, e.g. ethyl benzoate, to produce a co-pulverized product.  The co-pulverized product is then reacted with an organic phosphite, e.g. triphenyl phosphite, to produce a reaction product.          The reaction product is then reacted with a titanium halide compound, e.g. TiCl4.       A novel titanium halide containing component is provided as well as a process for producing said component.  A process for the polymerization of alpha-olefins is also provided.
Patent CA-1154730-A (CA)
Inventor: HAGER CHARLES C
IPC: B65B1/04
Filed: 1981-07-06
Granted: 1983-10-04
Abstract: ABSTRACT OF THE DISCLOSURE         A dust control apparatus in the form of a hood is disclosed for minimizing or eliminating the evolution of dust when loading dust laden solid discrete particles from a large container to a series of small containers.  The appara-tus is designed specifically for unloading spent catalysts from catalytic vessels into a series of drums without evolu-tion of voluminous clouds of dust.  The apparatus and method are designed to be portable so that expensive and sophisti-cated installations are not required in instances where the vessels are infrequently unloaded.  The dust control hood makes use of the angle of repose of the solid discrete par-ticles to be transferred in such manner that the drums do not overfill.  Simultaneously, air is drawn across the hood and the dust is collected in a suitable filter at a distance away from the loading area.  Provision is also made for separa-tion and collection of dust from pyrophoric materials utilizing an inert gas rather than air as the carrier medium.