baber/WOPTO huggingface dataset:
Patent CA-1113108-A (CA)
Inventor: BUHR GERHARD
IPC: C08L61/04
Filed: 1979-06-22
Granted: 1981-11-24
Abstract: Abstract of the Disclosure A positive-working light-sensitive mixture for the prepara-tion of printing plates, in particular planographic printing plates, and photoresists is described, which comprises an alkali-soluble binder, preferably a novolak, and an o-naphthoquinone diazide of the formula                (I) in which R1, R1', R2 and R2' are identical or different and repre-sent hydrogen, chlorine or bromine atoms, alkyl, alkoxy or alkoxy-alkyl groups having 1 to 6 carbon atoms or alkenyl groups having 2 to 6 carbon atoms, R3 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, R4 represents a hydrogen atom, an optionally substituted alkyl group, the carbon chain of which can be interrupted by ether oxygen atoms, an optionally substitut-ed cycloalkyl group having 5 to 16 carbon atoms or an optionally substituted alkenyl group having 2 to 16 carbon atoms, n repre-sents zero or an integer from 1 to 4 and D represents a 1,2-naphthoquinone-2-diazide-sulfonyl group. The new naphthoquinone diazides are distinguished by a high solubility in organic solvents and by good reprographic properties.
Patent CA-1106671-A (CA)
Inventor: SHIMOMURA SHOZO
IPC: G03G15/043
Filed: 1979-06-22
Granted: 1981-08-11
Abstract: ABSTRACT OF THE DISCLOSURE    An aperture-controlling device in a variable-scale photocopying machine having an optical system unit which is movable to vary the scale of the photo-copy relative to the original comprises an aperture-adjusting member for adjusting the width of an ex-posure light beam projected on a photosensitive drum, a tensioned, flexible cord connected at one end to the aperture-adjusting member, and a member following movements of the optical system unit to displace the cord at a point thereof substantially perpendicularly to its longitudinal direction thereby to actuate the aperture-adjusting member and adjust the exposure light beam width.  The other end of the cord is connect-ed to an exposure member which is adjustably movable to move the cord in forward and return movements sub-stantially in the longitudinal direction thereof thereby to adjust the exposure light beam width in-dependently of the adjustment thereof due to scale-varying movement of the optical system unit.
Patent CA-1123383-A (CA)
Title: Frangible closure for containers and method
Inventor: DWINELL DAVIS B
IPC: B65D17/50
Filed: 1979-07-16
Granted: 1982-05-11
Abstract: FRANGIBLE CLOSURE FOR CONTAINERS AND METHOD                     Abstract of the Disclosure A frangible closure for containers consists of a molded plastic closure sealing member and a metal crimping ring. The closure sealing member has a central tear out membrane surrounded by a sealing annulus with an annular weakened tearing zone interposed therebetween.          The tear out membrane has a short cylindrical skirt depending from its lower surface and an enlarged ring pull projecting from its upper surface, The metal crimping ring overlies the sealing annulus for tight securement to a container wall opening neck, An upward force applied to the ring pull tears away the center membrane which can be then employed to reclose the opening after partial decanting of the container.
Patent CA-1121891-A (CA)
Inventor: HALL GEORGE A
IPC: H04M3/38
Filed: 1979-07-27
Granted: 1982-04-13
Abstract: TOLL FRAUD DETECTOR     ABSTRACT OF THE DISCLOSURE         A detector for a "Black Box" toll fraud is connected to circuits at the called party's central office and comprises a relay connected in series with the called subscriber's tip (T) lead, a fraudulent call register or indicator, and a normally open time delay switch with a timer actuated by a ringing signal on the ring (R) lead, which switch closes after a predetermined delay interval (ten seconds) to cause energizing of the register.          The flow of direct current in the T lead incident to the called party going off-hook energizes the relay and deactivates the switch.  The control (C) lead of the central office subscriber circuit is grounded by the off-hook state of the calling party's telephone and is connected to the register by closing of the delay switch, the indication of a fraudulent call being made by the register on removal of ground from the C lead, i.e., when the calling party goes on-hook.  A terminal for connection to the starting mechanism of a recorder is also provided in parallel with the time delay switch for turning the recorder on so that a permanent record of the fraudulent call may be made.  In a modi-fied form of the invention, means are provided to prevent indi-cation of a fraudulent call by the register in the rare event a calling party does not go on-hook within the period of the delay interval following return of the called party's telephone to the on-hook position.
Patent CA-1076921-A (CA)
Inventor: FRANK EARL E
IPC: B61B1/00
Filed: 1979-07-31
Granted: 1980-05-06
Abstract: Abstract of the Disclosure The present invention relates to hydraulic apparatus as used in a railway classification yard having hydraulically operated retarders installed at selected positions along the classification track system.  The apparatus includes a plurality of motor-driven pumps at least one being normally active and another one being normally inactive, serving as a reserve pump.          Each pump is provided with a filter unit through which the pump moves fluid under pressure.  The pressure drop across each filter may be sensed and the reserve pump may be activated if the pressure drop exceeds a predetermined value indicating unacceptable filter efficiency, the normally active pump being deactivated A signal may be generated when the sensed pressure drop indicates that the filter in question is approaching unacceptable efficiency or that the flow rate of the associated pump is unacceptable.          Thus the invention provides a redundant arrangement of pumps and filters and provides for constant performance monitoring to detect both failing and failure conditions in terms of pump and filter efficiency, enabling remedial action to be timely applied.
Patent CA-1144178-A (CA)
Inventor: CHUN ALEXANDER H C
IPC: C07C59/90
Filed: 1979-08-13
Granted: 1983-04-05
Abstract: SALTS OF 2,3-DICHLORO-4-(4-HYDROXYBENZOYL) PHENOXYACETIC ACID            Abstract of the Disclosure This invention provides 2,3-dichloro-4-(4-hydroxy-benzoyl) phenoxyacetic acid salts of the formula   wherein R is sodium, potassium, calcium or ammonium and which are useful as diuretic or uricosuric agents.
Patent CA-1117853-A (CA)
Inventor: PRYOR MICHAEL J
IPC: C23G1/20
Filed: 1979-08-21
Granted: 1982-02-09
Abstract: ABSTRACT OF THE DISCLOSURE     A rapid and effective surface cleaning process for copper alloys, particularly copper alloys containing aluminum and other metals tending to form surface coatings of refractory oxides during annealing treatments.  The process consists of treating such alloys or articles fabricated thereof for a short time in a hot aqueous solution of an alkali hydroxide and rinsing with water.  The alloy is then immersed for a short time in a hot aqueous solution of ferric sulfate, or other ferric salt of a mineral acid, followed by rinsing with water.
Patent CA-1140358-A (CA)
Inventor: GISIGER URS
IPC: E05B37/12
Filed: 1979-08-23
Granted: 1983-02-01
Abstract: ABSTRACT OF THE DISCLOSURE         A permutation lock has at least two lock stopping devices each including an arresting disc provided with an intake recess and cooperating via a multipoint arresting device with a setting disc.  A lock adjusting slider biased against the arresting disc is provided at one end with an arresting tongue which is engageable with the intake recesses.  The other end of the lock adjusting slider has a projection which so cooperates with the actuation slider that when the arresting tongue disengages the intake opening and the actuation slider is in its closing position, the projection on the arresting slider engages a recess in the actuation slider.  If the actuation slider is in an opening position, the projection bears on an abutment portion on the actuation slider and the arresting tongues cannot be displaced from the intake openings.
Patent CA-1122447-A (CA)
Title: Mill stand for forming discontinuous longitudinal  deformations in sheet metal
Inventor: ANISIMOV VYACHESLAV I
IPC: B21B1/00
Filed: 1979-09-14
Granted: 1982-04-27
Abstract: ABSTRACT OF THE DISCLOSURE         The mill stand comprises forming rolls having con-gruent forming elements and mounted on a stand frame member in such a way that one of the forming rolls is adapted for a vertical reciprocating motion.  This forming roll is con-nected with a hydraulic cylinder provided with control means interacting with a master device.  The master device is operatively connected with one of the forming rolls.         The stand permits discontinuously forming longitud-inal deformations on sheet metal uninterruptedly fed in the form of a continuous strip to the mill stand.  Besides, provisions are made for changing the lengths of portions to be longitudinally deformed and dept flat on sheet metal.
Patent CA-1123749-A (CA)
Inventor: REUBOIU RUDOLPH
IPC: F01N1/02
Filed: 1979-09-26
Granted: 1982-05-18
Abstract: #4123 S P E C I F I C A T I O N            TO ALL WHOM IT MAY CONCERN:           BE IT KNOWN THAT I, RUDOLPH REU BOIU, a citizen of the United States, residing at Glendora, California, have invented a new and useful SOUND-ATTENUATING MUFFLER FOR EXHAUST GASES   of which the following is a specification:                ABSTRACT OF THE DISCLOSURE           A sound-attenuating muffler for reducing the acoustic energy in an exhaust gas stream has an elongated cylindrical housing with a small ratio of diameter to length. Axially extending vanes are radially disposed to define an added number of flow passages.  Exhaust gas enters an entry passage defined between two vanes, travels past a side-branch resonator and terminates in the entry nozzle of a Helmholtz chamber.  The flow turns through a port in one of the vanes and enters a reverse-flow passage, also defined between two vanes, flows past a side-branch resonator and is reversed again through a port through another vane.  A third side-branch resonator is provided in the exit region.  The muffler may comprise two or more separate similar muffler sections defining such serpentine gas flow paths, and the exit region of an upstream section may then be continuous with the entry region of a downstream section.
Patent CA-1129961-A (CA)
Inventor: BURBANK MAX B
IPC: G01R33/035
Filed: 1979-10-12
Granted: 1982-08-17
Abstract: ENHANCING REJECTION RATIO          Abstract of the Disclosure The present invention relates to a device and method for producing a compensated gradiometer signal from an uncompensated gradiometer signal having at least one unwanted term which varies as a function of magnetic field.  The device is comprised of a sensing unit for sensing the magnetic field.  A generator is provided for producing a first vector signal which is representative of the magnetic field.  A function generator is provided for producing a second vector signal which represents a component of one of the at least one unwanted term.  A mixer is connected to the generator and the function generator for producing a vector output signal which is equal to the one of the at least one unwanted term.       Finally, a subtractor unit is provided which is connected to the mixing means for subtracting the output vector signal from the uncompensated gradiometer signal to thereby produce the compensated gradiometer signal.
Patent CA-1129646-A (CA)
Inventor: MARSHALL JOHN M
IPC: F27D99/00
Filed: 1979-10-31
Granted: 1982-08-17
Abstract: FLUID CLOSURE FOR AND METHOD OF PREVENTING FLOW THROUGH AN OPENING IN A FLUID AND PAR-TICULATE CONFINING AND CONVEYING STRUCTURE         Abstract of the Disclosure A nozzle for generating a fluid curtain to prevent gases and particulate material from escaping to the atmos-phere through a port in an off-gas hood for an oxygen steelmaking furnace.  The nozzle includes a generally annu-lar housing which is mounted on the hood, or a tubular ex-tension thereof, so as to form a continuation of the port.          An uninterrupted orifice is formed in a wall of the housing, the orifice being effective to direct fluid radially in-wardly toward the center of said port and provide a continuous fluid curtain across the port when nitrogen under pressure is supplied to the nozzle housing.  A pair of coaxial cylin-drical partitions of different diameters and having circumfer-entially spaced apertures therethrough are mounted in the nozzle housing and provide discrete, tortuous flow paths in the housing for the nitrogen.  The apertured partitions cause the nitrogen to be uniformly distributed in the housing and assure continuity of the fluid curtain.
Patent CA-1129630-A (CA)
Title: Rotary drum plant for the manufacture of  concrete, reinforced concrete and/or  prestressed concrete products
Inventor: BORCOMAN MIRCEA
IPC: B28B5/10
Filed: 1979-11-15
Granted: 1982-08-17
Abstract: IN THE PATENT OFFICE                    PATENT APPLICATION   entitled ROTARY DRUM PLANT FOR THE MANUFACTURE OF CONCRETE, REINFORCED CONCRETE AND/OR PRE-STRESSED CONCRETE PRODUCTS   in the name of Mircea BORCOMAN     ABSTRACT OF THE DISCLOSURE   Plant comprising a rotary drum with a horizontal rotary axis lined, over its outer cylindrical surface with molding means and adapted to pass said molding means during rotation, before various working stations such as concreting, hardening, stripping and core positioning stations.  The drum is equipped with beams with a composite profile fixed, notably by welding, longitudinally on the outer periphery of the drum.  The beams have a cross-section which has zones adapted to form a roller track parallel to the longitudinal axis of the drum for the rolling and guidance of compacting means for the concrete.  It is equipped with fastening means for the molds in a position situated radially outwards with respect to said roller track.  It also has sufficient mechanical strength to absorb the major part of the prestressing forces exerted on the cores in the case of manufacturing prestressed concrete elements.
Patent CA-1131940-A (CA)
Inventor: BRAUN EUGENE R
IPC: B60W10/10
Filed: 1979-11-26
Granted: 1982-09-21
Abstract: ABSTRACT OF THE DISCLOSURE        Disclosed is a power shift transmission having torque converter, an input shaft driven by the torque converter, a countershaft in continuous driving relation with the input shaft, an output shaft having first, second, and third speed ratios journaled thereon and driven via the countershaft, a reverse speed ratio gear splined to the output shaft and driven via a gear on an idler shaft driven by the countershaft, a first friction clutch mechanism for connecting the first speed ratio gear to the output shaft, a second friction clutch mechanism for connecting the output shaft directly to the input shaft, a blocker-clutch assembly for coupling the second and third speed ratio gears to the output shaft, and an actuator assembly for shifting the blocker-clutch assembly into and out of coupling engagement.  The friction clutches are momentarily engageable to relieve driving and coast mode torque on the blocker-clutch and to synchronize the blocker-clutch.  An alternative embodiment of the transmission includes a torque converter driven shaft for driving the countershaft and a torque converter bypass shaft which is connected directly to the output shaft via the second friction clutch mechanism.
Patent CA-1137178-A (CA)
Inventor: BLACKBURN TOM L
IPC: H03G3/30
Filed: 1979-11-29
Granted: 1982-12-07
Abstract: D-21,735 METHOD AND APPARATUS OF CONTROLLING BIAS VOLTAGE                       IN REGULATING AMPLIFIERS by Tom L. Blackburn ABSTRACT OF DISCLOSURE   A regulating amplifier circuit with each transistor of a differ-entially connected pair thereof  having a base electrode connected through an associated varistor to a first control transistor, the series combination of each varistor and the control transistor being driven by a variable DC bias voltage.  The first control transistor is responsive to a gain control voltage for varying its conduction rate through the varistors and thus the gain of the circuit.  A first resistor, the primary conduction path of a second control transistor, and a second resistor are electrically connected in series between a fixed DC supply voltage and a ground reference potential, with the second transistors collector voltage being coupled through an emitter follower as the bias voltage. Negative feedback of the first control transistors collector voltage to the second  control transistors base electrode causes the magnitude of the bias voltage to vary for maintaining the first control transistor operating out of the saturation region over an extended range of input signal levels.
Patent CA-1111833-A (CA)
Inventor: JOHNSON GARY R
IPC: E21B10/34
Filed: 1979-12-11
Granted: 1981-11-03
Abstract: A B S T R A C T     Method and apparatus are disclosed for drilling a pilot hole and subsequently enlarging the pilot hole in earth forma-tion.  A dual concentric pipe string is used for circulating air downwardly through the outer pipe, through a pilot bit and upwardly through the bore hole outside the pipe string to bail cuttings, during drilling of the pilot hole.  The air pressure expands the cutters of an expansible bit while a limited portion of the air supplied cools the cutters.  After the cutters are fully expanded, additional air is utilized to clean and cool the cutters.  Air is returned through the inner pipe of the dual concentric pipe string.  A venturi device is utilized to induce return flow through the inner pipe during enlargement of the hole to vacuum residue when enlarge-ment is completed.  The dual concentric pipe string is  made up of lengths of pipe providing threaded, sealed joints.
Patent CA-1139621-A (CA)
Inventor: ANDREJCO MATTHEW J
IPC: C03B37/00
Filed: 1979-12-18
Granted: 1983-01-18
Abstract: ABSTRACT OF THE DISCLOSURE    This invention relates to a method of fabricating glass fiber optical transmission lines.  In accordance with the invention, an intermediate preform structure with a core-to-clad ratio greater than that desired in the ultimate fiber is obtained by depositing the core by means of a MCVD (Modified Chemical Vapor Deposition) process, prior to the completion of the cladding.  Subsequent to internal core deposition, additional material is added externally to complete the cladding thereby yielding an optical fiber preform with the desired core-to-clad ratio.
Patent CA-1149820-A (CA)
Inventor: CARDENAS JORGE N
IPC: C07C37/50
Filed: 1979-12-19
Granted: 1983-07-12
Abstract: 12,341 PROCESS FOR PREPARING p,p'-BIPHENOL OF HIGH PURITY     Abstract Of The Disclosure A process for preparing p,p'-biphenol is provided which comprises  heating a 4,4'-bis(substituted phenol) at elevated temperatures below the decomposition temperature of p,p'-biphenol in the absence of a catalyst under an inert, non-reactive atmosphere for the length of time sufficient to obtain a reaction product containing a sub-stantial amount of p,p'-biphenol while, preferably, re-moving the olefin by-product formed and then recovering the p,p'-biphenol product.     S P E C I F I C A T I O N
Patent CA-1139475-A (CA)
Inventor: GABBARD JAMES D
IPC: C08K5/10
Filed: 1979-12-24
Granted: 1983-01-11
Abstract: Abstract In production of solid films (e.g. a floor covering wear layer) by casting, fusing and then cool-ing a vinyl chloride polymer plastisol, good physical properties of the plastisol and films art provided by use of surprisingly small amounts of plasticizing ester including diester selected from alkyl benzyl succinates, glutarates and mixtures thereof.  Using such small amounts of ester, the films have unusually high stain resistance.
Patent CA-1137250-A (CA)
Inventor: BIRANOWSKI JEROME B
IPC: C08G18/67
Filed: 1980-01-17
Granted: 1982-12-07
Abstract: RIGID ISOCYANURATE POLYURETHANE FOAMS AND          METHOD FOR PREPARING SAME                         Abstract Rigid  isocyanurate  urethane  polymers  useful for insulation purposes and characterized by superior thermal stability are prepared by reacting an excess of polymeric isocyanate with butenediol in the presence of blowing agent and catalyst.
Patent CA-1185237-A (CA)
Inventor: YAMAMURA YUICHI
IPC: C07H15/04
Filed: 1980-02-21
Granted: 1985-04-09
Abstract: Abstract of the Disclosure Novel 6-deoxyglucosamine-peptide derivatives of the formula   wherein R is hydrogen or an organic acid residue or alkoxy-carbonyl;          R1 is hydrogen or acyl;   R2 is hydrogen or lower alkyl;          R3 and R4 are each hydrogen or lower alkyl which may be substituted with hydroxyl;          R5 and R6 are each carboxyl which may be esterified or amidated;          R7 is hydrogen or aralkyl; and (D) and (L) each indicate configurations if their respective carbon atoms are asymmetric or a salt thereof have immunostimuratory activity.
Patent CA-1127246-A (CA)
Inventor: MINAKUCHI HIROSHI
IPC: H03K23/58
Filed: 1980-02-21
Granted: 1982-07-06
Abstract: Abstract of the Disclosure A programmable frequency divider includes a programmable counter which comprises flip-flops  of a number less by one than the number of bits in a program value. The divider has first and second control circuits which respectively control every half period of a preset divided output pulse alternately, the second control circuit acting to delay the moment of the control in response to the least significant bit having a selected logic level, thereby enabling one to reduce the clock pulse frequency to a half in comparison with a conventional one. One can also obtain an optional sub-output signal of twice or one-half the frequency of a preset frequency output signal.
Patent CA-1164735-A (CA)
Inventor: LENTZ JAMES A
IPC: B29C65/48
Filed: 1980-02-22
Granted: 1984-04-03
Abstract: ABSTRACT OF THE DISCLOSURE   A fuser member, fuser assembly and method of fusing or fixing thermoplastic resin powder images to a substrate in a fuser assembly of the type wherein a polymeric release agent having functional groups is applied to the surface of the fuser member is disclosed. The fuser member comprises a base member having at least two layers of elastomer thereon, at least the outer layer elastomer surface having a metal-containing filler therein. Exemplary of such a fuser member is an aluminum base member coated with a first layer of poly(vinylidene fluoride-hexafluoropropylene) copolymer optionally having a metal-containing filler, such as lead oxide, dispersed therein and at least a second layer of poly(vinylidene fluoride-hexafluoroproylene) copolymer having metal-containing filler, such as lead oxide, dispersed therein coated upon said first layer.
Patent CA-1122471-A (CA)
Inventor: VAVRA GARY J
IPC: A01B73/04
Filed: 1980-02-28
Granted: 1982-04-27
Abstract: TITLE OF THE INVENTION:   180° FOLDING DEVICE     ABSTRACT OF THE DISCLOSURE              A folding mechanism is disclosed for a ground working implement including a first and second frame section, the second frame section including a slot formed therein, a single pivot member connecting the first and second frame sections, a single lever rotatably connected to an end portion of the first frame section, a pin member connected to a first end portion of the single lever and disposed within the slot formed within the second frame section, and a member connected to the single lever for rotating the single lever about the first frame section mounted on the first frame section wherein rotation of the single lever about the first frame section pivots the second frame section about the single pivot member connecting the first and second frame sections.
Patent CA-1140091-A (CA)
Inventor: GARRISON JUDD F
IPC: A47G25/48
Filed: 1980-03-27
Granted: 1983-01-25
Abstract: MULTI-PIECE HANGER              ABSTRACT OF THE DISCLOSURE        An article hanger is disclosed having a primary body portion and separate article gripping members.  The gripping members are interfitted to the ends of the primary body and secured by an  interlocking latch and keeper which can be assembled without the use of tools.