baber/WOPTO huggingface dataset:
Patent CA-2039354-C (CA)
Title: Preparation of the inking unit of a printing press for a change of printing job
Inventor: RODI ANTON
IPC: B41F31/00
Filed: 1991-03-28
Granted: 1999-10-26
Abstract: The invention relates to a rotary printing press, particularly offset printing press, the printing unit of which comprises a printing forme, a damping unit as well as an inking unit, said inking unit being provided with a set ink profile. In order to obtain a fast change of ink profile, it is proposed that, in order to eliminate the previous ink profile and to prepare the buildup of a new ink profile, the printing forme (32) is inked over its entire surface area with the inking unit (1).
Patent CA-2045022-C (CA)
Title: Key telephone interface
Inventor: KUTZAVITCH WALTER G
IPC: H04M9/00
Filed: 1991-06-19
Granted: 1995-04-18
Abstract: Apparatus is disclosed for use in a key set interface to overcome the incompatibility between key sets and tip and ring devices. The interface apparatus rejects ringing voltage and tip and ring loop current intended to be supplied on a first pair of conductors, the TR-pair. The interface further includes apparatus adapted for bi-directional communication of supervisory and control signals. In a preferred embodiment of the invention, a second pair of conductors, the service pair, transports bi-directional supervisory and control signals as well as operating power supplied by a key system controller for non-TR devices. Additionally, a transceiver adapted for sending and receiving voiceband information over the first pair of conductors isincorporated into the interface. An advantage of this key set interface is that operation of a key telephone set does not interfere with the operation of a tip and ring device bridged onto the first conductor pair.
Patent CA-2048973-C (CA)
Title: Method for forming a mold
Inventor: GARZA LUIS ALEJANDRO AMATO MAR
IPC: B29C39/44
Filed: 1991-08-12
Granted: 1995-08-29
Abstract: A method for forming a mold for encapsulating glass sheets with a gasket which includes the steps of positioning a rigid member 18 having a finishing surface 19 and a seal 30 adjacent a model 2, forming a first mold section 10 about the rigid member 18, the seal 30, and the model 2 and adjacent the first side of the model 2, forming a second mold section 12 adjacent a second side of the model 2, and then separating the first mold section 10 and the second mold section 12 and removing the model 2.   In one embodiment of the invention, the rigid member 18 is prepared by forming an initial member 24 corresponding at least in part to the shape of the model 2, using the initial member 24 to prepare a cast, casting the rigid member 18 in the cast, and then preparing a finishing surface 19 of the rigid member 18.
Patent CA-2050901-C (CA)
Title: Frequency synthesizer with an interface controller and buffer memory
Inventor: HEROLD BARRY W
IPC: H03L7/18
Filed: 1990-05-18
Granted: 1995-03-21
Abstract: A frequency synthesizer (fig. 1), which has at least one programmably characterized phase lock loop circuit (10,14) in-cludes a buffer memory (40,fig.4) and an interface controller (38,fig.2) responsive to operational codes received from a central controller (12) to direct transfer of data words (50,52) for characterization of the phase lock loop circuit among the at least one phase lock loop circuit, the buffer memory, and the central controller. In one embodiment, the transfer of data words between the central controller and phase lock loop circuit or buffer memory are performed serially in accordance with a prespecified protocol and governed by a clock signal generated by the central controller. Data word transfers between the buffer memory and at least one phase lock loop circuit may also be performed serially in accordance with a prespecified protocol, but may be governed auto-nomously by an internal clock signal generated by the frequency synthesizer.
Patent CA-2054488-C (CA)
Inventor: WILSON DIRK A
IPC: E21B1/04
Filed: 1991-10-29
Granted: 1998-02-10
Abstract: A reversible impact-operated boring tool and a method for reversing the direction of operation of the same rapidly and safely is disclosed.  The tool according to the invention possesses a second supply line for supplying pressurized fluid to the tool.  The second supply line provides pressurized fluid to a directional valve within the tool.  The tool operates in the forward node for burrowing into the soil when pressurized fluid is supplied to this directional valve. When the pressurized fluid supply is terminated and the fluid is exhausted from the valve, the tool operates in the reverse mode.  The tool according to the invention can be reversed safely without any need for hose manipulation and without turning off the primary fluid supply line.
Patent CA-2055127-C (CA)
Title: Non-rotating cementing plug with molded inserts
Inventor: WATSON BROCK W
IPC: E21B33/12
Filed: 1991-11-07
Granted: 1997-11-04
Abstract: An easily drillable non-metallic, non-rotating plug set for use in well cementing operations.
Patent CA-2059141-C (CA)
Title: Adaptive-block-length, adaptive-transform, and adaptive-window transform coder, decoder, and encoder/decoder for high quality audio
Inventor: DAVIDSON GRANT ALLEN
IPC: G10L19/02
Filed: 1991-04-12
Granted: 2002-01-01
Abstract: This invention relates in general to high-quality low bit-rate digital transform coding and decoding of information corre-sponding to audio signals such as music signals. More particularly, the invention relates to signal analysis/synthesis in coding and decoding. The invention can optimize the trade off in transform coders between time resolution and frequency resolution by adaptively selecting the transform block length for each sampled audio segment, and/or can optimize coding gain by adaptively selecting the transform and/or by adaptively selecting the analysis window or the analysis/synthesis window pair.
Patent CA-2059591-C (CA)
Title: Method and apparatus for imparting a sliding capacity to a wire
Inventor: BOOCKMANN GERHARD
IPC: B05C1/06
Filed: 1992-01-17
Granted: 1997-02-25
Abstract: A method for imparting a sliding capacity to a wire by coating the wire with a solid or liquid lubricant is characterized in that the wire is guided through at least one loop, resting on the wire, formed by at least one strand of material which is steeped in lubricant, and the strand of material is therein advanced at a basically constant speed which is less than the feed speed of the wire.   An apparatus for carrying out said method comprises a feed means or a drawing means for a wire and a feed means or a drawing means for at least one strand of material which is wound around the wire.
Patent CA-2066350-C (CA)
Inventor: NIX ROBERT J
IPC: F16H1/14
Filed: 1992-04-16
Granted: 1994-12-06
Abstract: IMPROVED MECHANISM FOR CONVERTING OSCILLATORY ROTATION OF INPUT SHAFT TO UNIDIRECTIONAL ROTATION OF OUTPUT SHAFT                           ABSTRACT         In a mechanism for converting oscillatory rotation of an input shaft to unidirectional rotation of an output shaft, two bevel gears are mounted around the input shaft and a bevel gear intermeshed therewith is coupled to the output shaft.  Each bevel gear mounted around the input shaft can be alternately coupled to and uncoupled from the input shaft via an associated pawl disposed in a socket in the input shaft and biased toward an operative position wherein such pawl is extended into a single recess in a bearing surface of such bevel gear.  Paired pawls and paired recesses may be optionally employed where high torque is encountered. Oscillatory rotation of the input shaft is limited to a range of approximately 180° between two limiting positions.  Camming surfaces on the pawls and the gears respectively provide for movement of each pawl from its operative position.
Patent CA-2068050-C (CA)
Title: Pulse signal averaging circuit with sampling interval dependent on pulse amplitude
Inventor: WILFORD TIMOTHY WILLIAM JOHN
IPC: H03K5/08
Filed: 1992-05-05
Granted: 1996-07-09
Abstract: An integrating sample-and-hold circuit which synchronously determines the mean amplitude of periodic pulses and waveforms is provided.  A periodic input signal is simultaneously applied to a buffer amplifier, a comparator, and a threshold detector.  The threshold detector which consists of a peak hold circuit and a voltage divider provides a threshold voltage which equals a predetermined fraction of the peak voltage of the input signal.  The threshold voltage and the input signal are compared by the comparator which provides a sampling command when the input signal exceeds  the threshold voltage.  The sampling command operates a switch which connects the output of the buffer amplifier to an integrating sample-and-hold amplifier.  The buffered input signal is integrated during the sampling interval, and the integrated mean voltage of the input signal is held until the sampling of the next cycle.
Patent CA-2072534-C (CA)
Title: Manufacture of neopentyl glycol (iii)
Inventor: SALEK JEFFREY S
IPC: C07B61/00
Filed: 1992-06-26
Granted: 2002-10-22
Abstract: Neopentyl glycol is made from isobutyraldehyde and paraformaldehyde; the aldol reaction product is directly mixed with a lower alcohol for hydrogenolysis.
Patent CA-2075058-C (CA)
Title: Novel vehicle gas mixtures and their use in medical preparations
Inventor: WEIL HANS-HERMANN
IPC: A61K9/72
Filed: 1991-01-31
Granted: 2001-03-27
Abstract: Novel advantageous vehicle gas mixtures contain two or more components, at least one of which is a partly fluorinated lower alkane, and may be used in medical preparations.
Patent CA-2077563-C (CA)
Title: Latch assembly
Inventor: MCCORMACK EDWARD
IPC: E05C3/04
Filed: 1992-09-04
Granted: 1997-02-25
Abstract: A latch assembly mounts in an aperture formed in a door to releasably secure the door against the frame. The latch assembly includes a cap which is received over a support base for moving an elongated shaft so that a latching pawl connected to the shaft will engage the inside of the frame in a latched position.
Patent CA-2079550-C (CA)
Title: Apparatus and method for variable weight mail processing
Inventor: TAYLOR MICHAEL P
IPC: G07B17/00
Filed: 1992-09-30
Granted: 1995-03-21
Abstract: This invention relates to apparatus and method for the presentation of mail to the post office with assurance that postage has been paid for each mail piece.  It is more particularly concerned with mail on which there is no evidence of postage payment, such as permit mail.  This is accomplished by weighing each mail piece to determine the weight, packaging the mail either in batches with a fixed weight or in batches with variable weight that gives but fixed stack dimension and sending a statement sheet to the post office that gives the number of mail pieces in a batch of mail, the weight of the batch and the postage due.
Patent CA-2081809-C (CA)
Title: Shielded current sensing device for a watthour meter
Inventor: VOISINE JOHN T
IPC: G01R11/067
Filed: 1992-10-30
Granted: 1996-07-02
Abstract: A current sensing device includes a secondary coil positioned within the curved portion of a U-shaped primary conductor or coil.  The secondary coil is surrounded by a non-ferromagnetic metallic shield to prevent capacitive coupling between the windings of the secondary coil and other nearby metallic objects.  A nonconductive material is integrally formed about the U-shaped conductor and provides a cavity for receiving the secondary coil and shield in a predetermined position with respect to the U-shaped conductor.  A flux guide of ferromagnetic metal, formed in an elliptical-cylindrical shape, surrounds the U-shaped conductor and the secondary coil to provide a flux steering effect to steer flux around the secondary or pick-up coil. The current sensing device is useful in measuring current in electrical utility power monitoring or watthour meter applications.
Patent CA-2084877-C (CA)
Title: Courroie sans fin pour presses a essorer a zone de contact etendue
Inventor: JEFFERY JOHN
IPC: D21F3/02
Filed: 1991-07-05
Granted: 1998-10-20
Abstract: Courroie sans fin pour presse à pince allongée comprenant une membrane perforée (11) ayant un revêtement (12, 13) fait d'un matériau matriciel sur un côté ou sur les deux, la membrane comprenant des fils de renforcement (14), se prolongeant au moins dans le sens de course voulu de la courroie.  Cette dernière comporte de préférence une surface cannelée ou profilée sur le côté éloigné du sabot.  Des fils de renforcement peuvent également être présents dans le sens travers voulu de la courroie et des fils de renforcement profilés peuvent être fournis à l'intérieur de la membrane pour se prolonger à l'extérieur en registre avec les cannelures longitudinales présentes sur le côté feutre de la courroie.
Patent CA-2087875-C (CA)
Title: Rear discharge mulching apparatus
Inventor: KETTLER DANIEL J
IPC: A01D34/63
Filed: 1993-01-22
Granted: 1995-05-02
Abstract: A mechanism including a plurality of baffles positioned within a mower housing between the mower blades and a rear discharge outlet, including a first wall adjacent the edge of a respective blade and which acts to define the chamber within which the blade rotates, a second wall extending rearwardly from the first wall and defining chutes which extend between the chambers and the rear discharge outlet, and third surfaces which act to enclose the space between the first and second walls to thereby prevent air and clippings from accumulating there.  The chutes generally converge at the rear outlet. Ramps are positionable within the chutes for changing the mower to a mulching mode, and include a fourth wall or surface positioned in the entrance to the chute for partially blocking air and clippings from entering the chute.  A fifth surface extends rearwardly from the edge of the fourth surface to the discharge outlet.  A deflector is positionable within the housing and acts to channel clippings downwardly into the blade for re-cutting at a first portion, reduce the effective volume within the chamber at a second portion, and increase the vacuuming effect at a third portion.  A first blade includes a plurality of upstanding nubs which are received in respective openings formed in the second blade, and act to couple the second blade for rotation with the first blade.
Patent CA-2095536-C (CA)
Inventor: BARLOW FRED D JR
IPC: C08L91/08
Filed: 1991-11-26
Granted: 1999-02-16
Abstract: This invention relates to binary blends of cellulose esters and aliphatic-aromatic copolyesters, cellulose esters and aliphatic polyesters as well as ternary blends of cellulose esters and/or aliphatic polyesters and/or aliphatic-aromatic copolyesters and/or polymeric compounds as well as fibers, molded objects, and films prepared therefrom.
Patent CA-2095677-C (CA)
Title: Preparation of resilient elastomers containing bonded urethane groups or urethane and urea groups in the presence of n-perethoxylated polyoxyalkylene-polyamines as a formative component
Inventor: HINZ WERNER
IPC: C08G18/66
Filed: 1993-05-06
Granted: 1999-08-31
Abstract: A process for the preparation of resilient, cellular or compact elastomers, preferably elastomer moldings, in particular airbag covers, containing bonded urethane groups or urethane and urea groups comprises reacting a) at least one organic and/or modified organic polyisocyanate with b) at least one relatively high-molecular-weight compound containing at least two hydrogen atoms, c) at least one N-perethoxylated polyaxyalkylene-polyamine and d) low-molecular-weight chain extenders and/or crosslinking agents, in the presence or absence of e) catalysts, f) auxiliaries and g) blowing agents, in a mold.
Patent CA-2097425-C (CA)
Inventor: HEITSCHEL CARL T
IPC: E05F15/20
Filed: 1991-12-10
Granted: 2002-07-23
Abstract: A door actuating system including a keypad type remote transmitter (25) having a keypad (27) for transmitting door open request signals generated by pressing the keys of the keypad and a stored code type remote transmitter (24), including a code stored in long-term storage for transmitting door open requests including the stored code. A receiver (38) selectively opens the door ( 17) responsive to the door open requests from both types of remote transmitters, the receiver includes a user settable securi-ty switch (83) which inhibits selective door actuation reponsive to door open request signals from the stored code type transmitter while permitting selective door actuation responsive to door open request signals from keypad type transmitters.
Patent CA-2098515-C (CA)
Title: Load compensator for spring counter-weighting mechanism
Inventor: GREENE H PETER
IPC: F16H19/00
Filed: 1993-06-16
Granted: 2000-08-29
Abstract: An improved load compensator for a spring counter-weighting mechanism including a snail cam to provide a constant counter-weight force is described. The cam provides a constant torque to a drum on which are wound cables for exerting a constant counter-weighting force. A manually operable device for altering the relative radial positions of the cam and drum varies the amount of the constant counter-weighting force. The cam is rotated with respect to the drum by a spur gear fitting within a ring gear fixed to the drum and rotated by a knob connected to an axle carrying a pinion gear engaging the spur gear. The spiral surface can be effectively reconfigured with respect to a portion of the cable fitting therearound.
Patent CA-2103683-C (CA)
Title: Methods of controlling dust and compositions produced thereby
Inventor: WEEKS GEORGE
IPC: B01J2/30
Filed: 1993-08-05
Granted: 1998-06-16
Abstract: Method of treating dry, free flowing, dust forming compositions with selected liquids to agglomerate a portion of the particles into groups of particles of sufficient size so that the treated compositions are substantially dust free and retain their free flowing properties, and the compositions produced by such treatment.
Patent CA-2105738-C (CA)
Inventor: WIEDEMAN ROBERT A
IPC: H04W84/06
Filed: 1993-09-08
Granted: 1999-03-23
Abstract: A wireless telephone system (10) capable of servicing a roaming wireless telephone user (30) includes a satellite (22) communications system consisting of at least one orbiting satellite (22); at least one terrestrial-based gateway (12, 14, 16, 18) having access to a database (20) of users, destination codes (telephone numbers); at least one network coordinating gateway (28) within at least one satellite service area (24); a single network control center (25); and a plurality of terrestrial communications links (e.g. 101).  The system (10) operates by effecting communication between a terrestrial wireless telephone end user transceiver apparatus (e.g. 501) and a terrestrial communications link (e.g. 101) via a single relay through a single satellite (22) or a succession of single relay satellites (22) wherein the relay station may be in motion relative to the end user transceiver apparatus (501) and the terrestrial communications link (101).  The ground-based gateway (28) effects the ultimate decision on linking in cooperation with the network database to effect hand-off from a first orbiting satellite (22) to a second orbiting satellite (22). The single satellite (22) or preferably a constellation of satellites (22) orbiting near the earth need only translate signals from the gateways (12, 14, 16, 18) to the users (30) and from the users (30) to the gateways (12, 14, 16, 18), without satellite-based control.  The gateways (12, 14, 16, 18) are capable of decoding the calls, switching, processing call requests from the end users (30), processing call requests to the end users (30), processing call set-ups, handing off of calls to other satellites (22), and updating databases (20) of users (30) based on information provided by network control (25) and requests from end users (30).
Patent CA-2105790-C (CA)
Title: Nutrition for persons infected with human immunodeficiency virus
Inventor: COPE FREDERICK OLIVER
IPC: A23L1/305
Filed: 1993-09-08
Granted: 1998-07-28
Abstract: An  enteral  nutritional  product  for  persons  infected  with  human immunodeficiency virus contains a soy protein hydrolysate having a molecular weight partition, as determined by size exclusion chromatography, wherein 30-60% of the particles have a molecular weight in the range of 1500-5000 Daltons.  The nutritional product also contains a source of intact protein. The nutritional product has a ratio, by weight, of n-6 to n-3 fatty acids of about 1.3:1 to 2.5:1.  Enteral nutritional support of a person infected with human  immunodeficiency virus  may be provided  by  including  this enteral nutritional product in the infected person's diet.  Apoptosis of CD4 cells in a person infected with human immunodeficiency virus may be impeded by feeding the infected person this enteral nutritional product.
Patent CA-2107382-C (CA)
Inventor: MEYER GLENN A
IPC: A61K31/505
Filed: 1993-09-30
Granted: 1997-06-03
Abstract: A novel anhydrous crystalline polymorph of 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-(2-tetrahydrofuroyl)piperazine monohydrochloride is disclosed, together with pharmaceutical formulations containing the compound. The novel polymorph exhibits a diminished food effect when administered to human subjects.
Patent CA-2111163-C (CA)
Inventor: WAKABAYASHI TAKAO
IPC: B65G13/07
Filed: 1993-12-10
Granted: 1997-04-29
Abstract: A drive wheel conveyor comprising a tubular side frame extending in a transport direction and having an inner side wall, outer side wall, top wall and bottom wall; a drive shaft supported by the inner and outer side walls so as to extend through the side frame transversely thereof and having an inward projection extending inward through the inner side wall; a sprocket fixed to the drive shaft and positioned between the inner and outer side walls; an endless drive chain in engagement with the sprocket and disposed inside the side frame so as to be movable in circulation; and a transport wheel having a shaft bore with the inward projection fitted therein and drivable by frictional resistance between the inner periphery of the wheel defining the shaft bore and the outer surface of the inward projection.
Patent CA-2114696-C (CA)
Title: 4-benzoylisoxazole herbicides
Inventor: CRAMP SUSAN M
IPC: A01N43/80
Filed: 1994-02-01
Granted: 2004-09-28
Abstract: The invention relates to 4-benzoylisoxazole derivatives of formula (I):   (see formula I) wherein:      R represents the hydrogen atom or a group -CO2R4;      R1 represents alkyl, haloalkyl or optionally substituted cycloalkyl;      R2 represents halogen, optionally halogenated alkyl, alkenyl or alkynyl, alkyl substituted by one or more groups -OR5; or a group selected from nitro, cyano, -CO2R5, -S(O)p R6, -O(CH2)m OR5, -COR5, -NR61R62, -N(R8)SO2R7, -OR5, -OSO2R7 and -(CR9R10)t-S(O)q R7;      R3 represents -S(O)q R7;      X represents -(CR9R10)t-; n represents zero or an integer from one to four;      R4 represents alkyl or haloalkyl R5 represents optionally halogenated alkyl, alkenyl or alkynyl;      R6, R61 and R62, which may be the same or different, each represents alkyl, haloalkyl or optionally substituted phenyl;      R7 represents optionally halogenated alkyl, alkenyl or alkynyl, or optionally subtituted phenyl or benzyl;      R8 represents hydrogen or optionally halogenated alkyl, alkenyl or alkynyl;      R9 and R10, which may be the same or different, each represents hydrogen, alkyl, haloalkyl or optionally substituted phenyl p represents zero, one or two; q represents zero, one or two; m represents 1, 2 or 3; t represents an integer from one to four; or an agriculturally acceptable salt thereof; and to their use as herbicides.