baber/WOPTO huggingface dataset:
Patent CA-1053202-A (CA)
Inventor: KAESSER MERLE L
IPC: F04D21/00
Filed: 1975-11-25
Granted: 1979-04-24
Abstract: SUPERSONIC SHOCK WAVE COMPRESSOR DIFFUSER WITH CIRCULAR ARC CHANNELS                  Abstract of the Disclosure A supersonic shock wave compressor diffuser forms a concen-tric annulus about a radial compressor having a central axis.          Circular channels diverge with an increasing divergence angle as they extend along an arcuate longitudinal center line from an inner circumference very near the periphery of the compressor to the outer circumference of the diffuser.  Shock waves may occur within the channels near the inner circumference of the diffuser or may occur within a vaneless diffusion space adjacent the per-iphery of the compressor and provide efficient energy conversion and reduce the velocity substantially below MACH 1 to further improve the efficiency of the subsonic diffusion downstream therefrom.  A logarithmic spiral is approximated by a circular arc subtended by the channel longitudinal axes to permit recovery of angular momentum while the circular cross section of the channels permits recovery of swirl velocity energy.  The required diameter of the outer circumference of the diffuser is reduced by using the shock waves to greatly reduce gas velocity within a short distance, by the curvature of the channels and by the angle of incidence of the longitudinal channel axes.
Patent CA-1066976-A (CA)
Inventor: VAN OS WILLEM A A A
IPC: A61F13/00
Filed: 1975-12-22
Granted: 1979-11-27
Abstract: ABSTRACT OF THE DISCLOSURE           An intrauterine device intended for insertion into the uterus includes an elongated stem, carrying at one end a resil-ient, cantilevered arm, extending outwardly from each side of the stem, which stem is contained within a tubular sheath by means of which the device may be inserted into the uterine cavity through the cervix, after which the sheath may be withdrawn, the sheath narrowly enclosing the stem.  The shape and flexibility of the arms are such that the arms are easily collapsable onto the outer surface of the sheath.  The arms, when relaxed, curve back towards the stem, so that they substantially form part of an ell-ipse, the longer axis of which coincides with the stem.  The stem may at least partially be covered with a layer preventing preg-nancy, which layer enhances the effect of the device.  Such layer may consist of a copper wire wound on the stem or of a carrier for a hormone preparation.
Patent CA-1073355-A (CA)
Inventor: KILBOURNE EDWIN D
IPC: C12N9/24
Filed: 1976-01-15
Granted: 1980-03-11
Abstract: SPECIFICATION                   ABSTRACT OF THE DISCLOSURE     An influenza vaccine is disclosed which comprises, as an active ingredient, a neuraminidase antigen which has been isolated from an antigenically functional virus and has substantial cross-reactivity with the influenza virus against which the vaccine is to be effective.  The neuraminidase antigen can be derived from a virus antigenically representative of the con-temporary or prevalent influenza virus subtype of interest, e.g., H3N2, the Hong Kong variant of influenza.
Patent CA-1056671-A (CA)
Title: Procede et dispositif de recyclage au carburateur de vapeurs d'hydrocarbures
Inventor: BARRES ROLAND
IPC: F02M25/08
Filed: 1976-01-14
Granted: 1979-06-19
Abstract: Dispositif de recyclage au carburateur des vapeurs d'hydrocarbures émises par un véhicule automobile du type comportant entre le réservoir et la goulotte reliant le filtre à air au carburateur un récipient d'adsorption ou canister destiné à adsorber ces vapeurs d'hydrocarbures.  Ce dispositif est caractérisé par le fait que ledit canister, relié à une admission d'air sous pression provenant d'une pompe, comporte au droit de la paroi opposée au couvercle, paroi dans laquelle sont disposes l'orifice d'amenée d'air et l'orifice de sortie des gaz d'hydrocarbures et sensiblement à égalé distance de ces derniers, une cloison ou chicane passant sensiblement par l'axe du canister et d'une longueur déterminée de manière à ne pas contrarier le passage des gaz tout en permettant un allongement de leur circuit de passage dans le canister, donc une utilisation totale de la masse d'adsorption y contenue.
Patent CA-1046019-A (CA)
Title: Apparatus and method for welding a polyethylene sleeve label to a polyethylene bottle, the lebel having heat absorbing area
Inventor: AMSDEN DONALD L
IPC: G09F3/10
Filed: 1976-01-29
Granted: 1979-01-09
Abstract: APPARATUS AND METHOD FOR WELDING A POLYETHYLENE   SLEEVE LABEL TO A POLYETHYLENE BOTTLE, THE  LABEL HAVING HEAT-ABSORBING AREAS                   ABSTRACT              There is disclosed a method for attaching a polyethylene sleeve label to a polyethylene bottle, the label having on the outer surface thereof means for absorbing heat in local, discrete areas of the label at a rate greater than that of other areas of the label; and means for welding the label to the body at the junction of the outer surface of the body and the inner surface of the label, adjacent the local heat-absorbing areas.
Patent CA-1073095-A (CA)
Title: Color-difference signal modifying apparatus
Inventor: TOMIMOTO TETSUO
IPC: H04N17/02
Filed: 1976-02-20
Granted: 1980-03-04
Abstract: ABSTRACT OF THE DISCLOSURE            A color-difference signal modifying apparatus for modifying a color-difference signal in a color television receiver.  The apparatus gives to a color-difference signal a non-linear characteristic which approximates a theoretical characteristic for completely eliminating both luminance and chromaticity errors of a reproduced color.  The apparatus is constituted by a threshold signal producing means which is supplied with a luminance signal to produce a threshold signal proportional to the luminance signal, and a gain reduction means which is supplied with the color-difference signal to reduce the gain to remove a specific portion of the color-difference signal which exceeds the threshold signal level.
Patent CA-1066788-A (CA)
Inventor: WEISENBURGER LAWRENCE P
IPC: H01R12/71
Filed: 1976-02-23
Granted: 1979-11-20
Abstract: ABSTRACT        An electrical connector for interconnecting conductors on two spaced, substantially planar, substantially parallel substrates, comprises an electrically insulating body member carrying a contact member structure consisting of a plurality of individual metal spring contact members carried in spaced relationship by, and extending substantially parallel across, a common sheet of electrically insulating material.
Patent CA-1057136-A (CA)
Inventor: GEE GLEN R
IPC: B29C57/00
Filed: 1976-03-10
Granted: 1979-06-26
Abstract: COILED EDGE GUIDE        FOR ROD-TUBE SIGNAL DEVICE AND METHOD               Abstract of the Disclosure A reverse curl edge guides the extendible indicating rod of an indicating device.  Manufacture of the device is facilitated by the reverse curl edge, and the edge provides a sealing function as well as the guiding function to the indicator.
Patent CA-1045043-A (CA)
Inventor: FUKUSHIMA TSUGIO
IPC: F01N99/00
Filed: 1976-03-12
Granted: 1978-12-26
Abstract: ABSTRACT OF THE DISCLOSURE      An exhaust system of an internal combustion engine especially adapted for use as power source for a portable tool such as a chain saw, said exhaust system comprising a muffler enclosed within an engine casing and located within the passage of the cooling air flow for cooling the engine, and an exhaust gas dilution system consisting and a diffuser disposed at such a posi-tion that the outlet of said ejector is opened into the inlet of said diffuser.
Patent CA-1064137-A (CA)
Inventor: POYNTER KAY S
IPC: F15B15/28
Filed: 1976-03-25
Granted: 1979-10-09
Abstract: ABSTRACT     A pressure converter for converting and intensifying pneumatic pressure to hydraulic pressure includes a pneumatic piston movable in a cylinder and connected by a rod with a smaller hydraulic piston.  The pneumatic piston is movable from a rest position to normal working positions.  Indicator means includes a first electrically operated signal and a second visual signal for  respectively indicating overtravel and degree of overtravel of the pneumatic piston beyond the normal working positions.  The pneumatic piston is engageable with the indicator means upon movement of such piston beyond its normal working positions for actuating the electrically operated signal and the visual signal.
Patent CA-1062441-A (CA)
Inventor: SHALE CORRELL C
IPC: B01D53/81
Filed: 1976-04-21
Granted: 1979-09-18
Abstract: ABSTRACT OF THE DISCLOSURE A method and apparatus for removing sulfur oxides from flue gas comprise cooling and conditioning the hot flue gas to increase the degree of water vapor saturation prior to passage through a bed of subscantially dry carbonate chips or lumps, e.g., crushed limestone. The reaction products form as a thick layer of sulfites and sulfates on the surface of the chips which is easily removed by agitation to restore the reactive surface of the chips.
Patent CA-1085674-A (CA)
Inventor: CANELLA MARCO
IPC: A23L11/00
Filed: 1976-07-14
Granted: 1980-09-16
Abstract: ABSTRACT OF THE DISCLOSURE:          The invention is concerned with a method for the extraction of mycotoxins from vegetable flours.  The method of the invention comprises extracting the flours or a product obtained therefrom with a solvent consisting of a mixture of nor.butyl alcohol with an aqueous solution of hydrochloric acid.  The invention enabled one to remove the aflatoxins and all the mycotoxins of similar structure, under conditions which do not cause degradation of the proteins.
Patent CA-1104156-A (CA)
Inventor: UMEZAWA HAMAO
IPC: C07C231/12
Filed: 1976-07-20
Granted: 1981-06-30
Abstract: ABSTRACT           Bestatin, which is [(2S,3R)-3-amino-2-hydroxy-4-phenylbutanoyl]-L-leucine, and related com-pounds which inhibit aminopeptidase B, leucino amino-peptidase and Bleomycin hydrolase, enhance the anti-tumor effect of Bleomycin and exhibit an antifertility effect were synthesized and tested.
Patent CA-1046254-A (CA)
Inventor: FRAZIER JAMES L
IPC: B23Q5/46
Filed: 1976-07-21
Granted: 1979-01-16
Abstract: ABSTRACT              A Z-axis drive assembly for a turret machining center incorporates a variable speed DC motor mounted on a vertically adjustable carriage and connected through a harmonic drive unit to rotate a pinion. The pinion forms part of a rack and pinion mechanism, for controlling the vertical elevation of the rack relative to the carriage.
Patent CA-1068952-A (CA)
Inventor: MCCARTNEY RONALD L
IPC: G02B6/26
Filed: 1976-07-23
Granted: 1980-01-01
Abstract: SINGLE OPTICAL FIBER CONNECTOR          ABSTRACT OF THE DISCLOSURE A connector for coupling a transmitting single optical fiber to a receiv-ing single optical fiber in which the ends of the fibers are mounted in the respective ends of a bore in an alignment tube. The end faces of the fibers are spaced from each other and a restriction is formed in the bore between such end faces. The wall of the bore adjacent to each end of the restriction is tapered so that the optical beam emitted from the transmitting fiber is restricted in the restriction and thereafter reconstructed to its emitted numerical aperture prior to reaching the end face of the receiving fiber. The transmitting fiber is slidably mounted in the bore so as to be separable therefrom.
Patent CA-1072952-A (CA)
Inventor: SOKOL PHILLIP E
IPC: A61K8/65
Filed: 1976-08-06
Granted: 1980-03-04
Abstract: Abstract of the Disclosure Surface active agents are made by heating at 210 to 260°C. a mixture of a protein with an organic carboxylic acid at a ratio of one to ten equivalent weights of protein to one of acid.  The mixture is preferably heated in an atmosphere of oxygen-free gas inert to the mixture.  An inert solvent may be present.
Patent CA-1090731-A (CA)
Inventor: MCKINNEY JOEL D
IPC: C10G11/18
Filed: 1976-09-17
Granted: 1980-12-02
Abstract: HYDROCARBON CATALYTIC CRACKING PROCESS            ABSTRACT OF THE DISCLOSURE         An improved hydrocarbon catalytic cracking process which comprises introducing tin into the cracking zone so as to maintain a volume ratio of carbon dioxide to carbon monoxide in the gaseous effluent from the catalyst regeneration zone of at least 3Ø
Patent CA-1049671-A (CA)
Inventor: BIDLACK RICHARD H
IPC: H04M9/00
Filed: 1976-10-20
Granted: 1979-02-27
Abstract: Abstract of the Disclosure A key telephone system is disclosed in which intercom calls may be answered "hands-free" at the called station.  Intercom calls are originated in the standard manner, with the subscriber picking up the handset at the calling station and dialing the number of the called station.  A voice communication path is established through the station selector to the telephone set represented by the dialed number.  DC bias on this communication path through the station selector activates a loudspeakers and microphone arrangement in the called telephone set.  The called party may thus converse "hands-free" with the calling party by utilizing the activated loudspeaker and microphone of the station set, and need not manipulate the station set for the duration of the conversation.
Patent CA-1060660-A (CA)
Inventor: PERRAULT GUY
IPC: C08G18/69
Filed: 1976-10-28
Granted: 1979-08-21
Abstract: Abstract The disclosed invention is a gravity pourable explosive composition comprising a solid explosive ingredient, a polybutadiene based binder cured with a diisocyanate, and a surface active agent.  The explosive composition according to the invention exhibits improved physical properties e.g. viscosity and gel time, which facilitates processing, particularly at low temperatures; and improved mechanical properties eg. elongation and strain.
Patent CA-1091158-A (CA)
Title: Composition cosmetique pour teinture de cheveux et procede de teinture
Inventor: GROLLIER JEAN-FRANCOIS
IPC: A61K8/84
Filed: 1976-11-15
Granted: 1980-12-09
Abstract: L'invention concerne une composition pour la teinture des cheveux, caractérisée par le fait qu'elle comprend dans un même emballage, deux compositions spécifiques à appliquer l'une après l'autre, d'une part une composition spécifique de teinture d'oxydation contenant des colorants ou précurseurs de colorants en mélange avec au moins un polymère cationique, et d'autre part une composition spécifique de shampooing contenant au moins un détergent anionique; l'emballage comporte un mode d'emploi spécifique indiquant que la composition spécifique de shampooing est à appliquer immédiatement après la composition spécifique de teinture.  Grâce à l'utilisation de cette composition, il est maintenant possible de réaliser la teinture des cheveux sans nuire à leur éclat et à leur douceur au toucher.
Patent CA-1068409-A (CA)
Inventor: GRANDCHAMP PIERRE-ANDRE
IPC: G06G7/19
Filed: 1976-11-19
Granted: 1979-12-18
Abstract: Abstract of the Disclosure The invention relates to a method and device for determining parameters of an autocorrelation function of an input signal V(t), the autocorrelation function being defined by the general formula   and the form of the function being known.  More generally, the invention relates to the processing of electric or other signals in order to determine certain parameters of their autocorrelation function provided that the form of the function (e.g. an exponential form) is known in advance.
Patent CA-1041980-A (CA)
Inventor: BRUMM RICHARD S
IPC: F16K7/07
Filed: 1976-11-26
Granted: 1978-11-07
Abstract: ABSTRACT OF THE DISCLOSURE       A valve wherein an expansible tube is stretched around a hollow core, which has a central barrier be-tween inlet and outlet slots around the core.  An annular groove is formed  around the outer sealing surface of the barrier and extensions of some of the downstream slots open into the groove to vent the groove and pro-duce a pressure drop across the expansible tube to enhance sealing and to provide an initial flow path when the tube is forced away  from the sealing surface.
Patent CA-1076736-A (CA)
Inventor: DEETS GARY L
IPC: C08K3/22
Filed: 1976-12-03
Granted: 1980-04-29
Abstract: Case 08-12-0326 APPLICATION FOR                     LETTERS  PATENT         FOR         POLYMETHYLMETHACRYLATE BASED MOLDING COMPOSITIONS          ABSTRACT OF THE DISCLOSURE Disclosed herein are polyblend molding compositions which comprise (A) a polymethylmethacrylate matrix polymer; (B) polychloroprene rubber which is grafted with methylmethacrylate; and (C) a metal oxide.  Specimens molded from these polyblends have a UL-94 rating of at least V-1 and a smoke level of less than 300 Dm Flaming using the NBS smoke test.                      By:  Gary L. Deets
Patent CA-1099267-A (CA)
Inventor: MELLONI PIERO
IPC: C07D265/36
Filed: 1976-12-24
Granted: 1981-04-14
Abstract: Abstract of the Disclosure Cyclic derivatives of 1,4-benzoxazine and 1,4-benzothiazine of the generic formula   are described, together with process for their praparation.  A typical compound is 1H,2,3,3a,4-tetrahydro-2-carbamoylmethyl-imidazo-[5,1-c][1,4]ben-zoxazin-1-one.  These compounds find use as antidepressant agents.
Patent CA-1047911-A (CA)
Title: Device for putting the inner foil wrapper with the length's long ends over one of the larger faces of the bundle of cigarettes in a very high speed soft packet cigarette packer
Inventor: ENZO SERAGNOLI
IPC: B65B19/22
Filed: 1977-03-28
Granted: 1979-02-06
Abstract: ABSTRACT OF THE DISCLOSURE          The present invention relates to a device for putting the inner foil wrapper on soft packets in a very high speed cigarette packer which comprises a stepwise rotatable head fitted with a number of radiating compartments capable of taking at most one bundle of cigarettes for packeting and a number of organs to do the folding.  This device comprises a stepwise rotatable head provided with a number of radiating compartments equidistant from one another and each capable of receiving a bundle of cigarettes for packeting laid parallel to the axis of rotation of the head, a number of fixed and moving members for folding said length of foil in combination with the turning head, one of the folding members lying at a tangent to the periphery of said head  at a position occupied successively by the compartments of said head and being arranged to recipro-cate along a radius of said head, and a thin plate providing a rear wall of each compartment relative to the direction of rotation of the head, the said reciprocating folding member having a thin plate facing the head so that during its forward movement, it folds the rear ends of the length of foil onto the surface of the thin plate outside to the corresponding compartment.
Patent CA-1056194-A (CA)
Inventor: WARD GERALD G
IPC: A01B73/00
Filed: 1977-04-12
Granted: 1979-06-12
Abstract: FOLDING TOOL BAR FOR AGRICULTURAL IMPLEMENTS     ABSTRACT OF THE DISCLOSURE         A folding sectional tool bar for agricultural implements and including a hollow horizontal main sec-tion and wing sections hingedly connected thereto for independent movement between lowered operative positions and raised inoperative over-center parked positions.          An articulated actuating linkage mechanism for each wing section embodies a hydraulic cylinder wholly positioned within the main section and having a plunger operatively connected to a crank arm on the adjacent wing section by means of a draw link which functions initially as the plunger is extended to engage the crank arm and transmit torque to the latter so as to raise the wing section by a powerful leverage action, and which subsequently functions, as the plunger continues to be extended, to move away from the crank arm and act in tension and transmit the necessary torque to raise the wing section and force it over to its parked position.  The torque-applying draw link carries latch finger which can cooperate with a latch block on the main tool bar section to lock the wing section in its operative horizontal position.  A floating link extends between the crank arm and plunger and supports the cylinder in an elevated position when the wing section is fully raised in order that upon retraction of the plunger for wing lowering purposes the draw link will not assume an improper over-center position when the plunger commences its retraction.  Two slightly different forms of artic-ulated linkage mechanisms which operate upon the same principle are disclosed, and a modified form of tool bar having a flexible central main section consistent with such two forms of linkage mechanisms is also dis-closed.
Patent CA-1107144-A (CA)
Inventor: HOLDER WILLIAM D
IPC: F04B53/12
Filed: 1977-04-12
Granted: 1981-08-18
Abstract: TRAVELING OIL PUMP VALVE            ABSTRACT OF THE DISCLOSURE     A conventional pumping unit is mounted at ground level, to which is attached a hollow sucker rod that extends through a tubing string to the production level of the well.  Integral with the tubing string is pro-vided a pump barrel, with communication between the production formation and the tubing string being effected across a ball and seat check valve.     Secured to the lower extremity of the hollow sucker rod is an elongated sleeve-like pump housing having a sealing element at the lower extremity thereof establishing a seal between the pump housing and the pump barrel.          Intermediate the extremities of the hollow pump body is formed a plurality of elongated slot-like ports extending parallel with the longitudinal axis of the pump body.  An elongated traveling piston is located for reciprocal move-ment within the pump body and is also provided with a seal at the lower extremity thereof for establishing a sealed relationship with the pump barrel.  Ports are formed in the tubular wall structure of the traveling piston to enable pressure induced transfer of well fluid from the pump barrel into the tubing string.  The ports of the traveling piston and pump body are capable of registering upon predetermined positioning of the traveling piston relative to the pump body.  Such positioning is estab-lished upon predetermined movement of the traveling piston relative to the pump body in opposition to the force of a compression spring.  A piston valve seal sur-rounding a portion of the traveling piston is movable to an open position as the traveling piston moves against the compression of the spring, thereby facilitating flow of a fluid through the valving mechanism past the sealing elements to enable it to be forced upwardly as the pump mechanism is moved upwardly through movement of the sucker rod.  The pump mechanism will allow well fluid to be con-tinuously pumped and will effectively prevent the develop-ment of a gas-lock condition during pumping.  An alterna-tive embodiment of the present invention may be utilized in conjunction with a solid sucker rod, with the variable volume compression spring chamber between the pump body and traveling piston being vented to the tubing above the seal between the pump housing and the pump barrel.
Patent CA-1052062-A (CA)
Title: Door hold-open mechanism
Inventor: JOHNSTON LAIRD E
IPC: E05D11/10
Filed: 1977-04-25
Granted: 1979-04-10
Abstract: DOOR HOLD-OPEN MECHANISM            Abstract of the Disclosure:            A door hold-open mechanism operatively connected to an upper door hinge member and including a combination latch wheel and detent plate, a detent plunger operable with the detent plate and a latch segment operable with the latch wheel, the arrange-ment adapted to provide a conventional two-position opening operation upon partial actuation of a door handle, or a prede-termined number more than two hold-open positions upon full actuation of the door handle.
Patent CA-1096230-A (CA)
Inventor: ELLIS DAVID E
IPC: A22C13/00
Filed: 1977-04-25
Granted: 1981-02-24
Abstract: IMPROVED TUBULAR CELLULOSIC FOOD CASINGS               ABSTRACT OF THE DISCLOSURE            Large size tubular cellulosic food casings, and particularly fibrous food casings, that are provided with sufficient moisture and glycerine plasticizer content to permit the stuffing thereof without further soaking, have propylene glycol uniformly dispersed therein in an amount of at least about 15% by weight of dry cellulose and at least about 20% by weight of the liquid components in said casings.     S P E C I F I C A T I O N