baber/WOPTO huggingface dataset:
Patent CA-1242119-A (CA)
Inventor: POURING ANDREW A
IPC: F02D15/04
Filed: 1984-09-19
Granted: 1988-09-20
Abstract: ABSTRACT OF THE DISCLOSURE A variable compression ratio piston I.C. engine includes a piston with an inner chamber separated from the combustion working chamber by an orifice. The orifice is geometrically shaped to restrict transfer of gas from the working to the air chamber by causing a choked flow condition to exist across the orifice when the piston speed exceeds that speed at which the critical pressure ratio occurs across the orifice. This prevents pressure equalization between the working and air chambers at the end of the compression of the charge supplied to the working chamber above a selected engine speed to cause an effective increase in engine compression ratio above such speed. A specific piston structure for carrying out the invention is disclosed.
Patent CA-1243024-A (CA)
Title: Herbicidal 1-aryl-4-substituted-1,4-dihydro-5h- tetrazol-5-ones and sulfur analogs thereof
Inventor: THEODORIDIS GEORGE
IPC: C07D257/04
Filed: 1984-11-02
Granted: 1988-10-11
Abstract: Abstract HERBICIDAL 1-ARYL-4-SUBSTITUTED-1,4-DIHYDRO-5H-Herbicidal  aryltetrazolinones and  thiones of  the formula   in which W is oxygen or sulfur; R is alkyl, fluoroalkyl, alkenyl, haloalkenyl, cyanoalkyl, alkylthioalkyl, halo-alkoxyalkyl,  trifluoromethylthio  or  alkoxyalkyl;  one of x1 and x2 is fluorine, chlorine, or bromine and the other is fluorine, chlorine, bromine, alkyl, or halo-alkyl; and Z is hydrogen or a group selected from a variety of substituents and is preferably a 2-propynyl-oxy group are disclosed and exemplified.
Patent CA-1242722-A (CA)
Inventor: LIEBL RAINER
IPC: C07D277/68
Filed: 1984-11-09
Granted: 1988-10-04
Abstract: ABSTRACT OF THE DISCLOSURE            Compounds of the formula                           I     wherein X denotes O or -CH2-, Y denotes O, S or NR5, A denotes a direct bond, -CH2-CH2- or -CH=CH-, R1 denotes (substituted) phenyl, pyridyl, benzoxazolyl, benzothiazolyl or quinazolyl, R2 denotes alkyl or, together with NR5, denotes a heterocyclic ring, R3 and R4 denote H, alkyl or, together, the =CH-N(CH3)2 group and, if R3 = H, R4 also denotes an acyl, carboxylic acid ester or carbamoyl group, and R5 denotes H or alkyl, areactive herbicides, growth regulators and antidotes.
Patent CA-1227188-A (CA)
Inventor: WHATELEY ERIC A
IPC: B66D5/24
Filed: 1985-03-20
Granted: 1987-09-22
Abstract: ABSTRACT    Winch drives for intermittently adjusting tension in con-veyors must be braked when inoperative.  An exposed band brake is prone to damage and oiling; an enclosed disc brake held applied by an end thrust exerted by the load on the winch can be bypassed by a one-way clutch in only one driving direction and causes excessive drag in the other driving direction.  By dispensing with the one-way clutch and introducing a double-helical driving connection, there is created an opposing axial force which exceeds the above-mentioned end thrust and releases the disc brake automatically in both driving directions.
Patent CA-1243183-A (CA)
Inventor: DICKENS LUTHER I
IPC: E04C2/00
Filed: 1985-04-29
Granted: 1988-10-18
Abstract: ABSTRACT           An improved insulated building panel comprising a core element of expanded cellular material having a depression extending from a top surface thereof along each of opposite side edges and a central depression parallel to the side depressions and extending into the core element from the top surface. Reinforcing strips are bonded to the core element and including at least one strip extending from a first side of the core element and a strip on a second opposite side of the core element for engaging an extending strip of another panel and strips along sides of the depressions.  Wire mesh strips are provided with each having a first portion extending into the depressions from the bottoms thereof and a second portion molded in the core element and extending at an angle to the first portion for engagement of the first portions by concrete adapted to be inserted in the depres-sions.
Patent CA-1222825-A (CA)
Inventor: CLARK GRAEME M
IPC: G09B21/00
Filed: 1985-05-03
Granted: 1987-06-09
Abstract: ABSTRACT OF DISCLOSURE     An electrotactile vocoder for persons having impaired hearing in which electrical stimulation is applied to a multiplicity of electrodes in contact with either side of each finger so as to electrically stimulate the digital nerves of the user under the control of stimulator circuitry which is in turn controlled by processing circuitry for a speech signal received by a directional microphone worn on the ear of the user.  The speech processor is suitably of the type described in United States Patent 4,441,202 Tong et. al. modified to cause stimulation of the digital nerves via the eight finger electrodes and a common electrode held in contact with the wrist of the user.
Patent CA-1238535-A (CA)
Inventor: BOURGOIS LUC
IPC: B29D30/50
Filed: 1985-06-25
Granted: 1988-06-28
Abstract: ABSTRACT         A steel cord for use in the reinforcement of resilient articles such as rubber tyres has a core and one surrounding layer of wires, the diameter and twist pitch of the core wires being substantially different from the diameter and twist pitch of the wires of the layer surrounding the core. This construction eliminates wire migration without loss of reinforcing ability of the cord in the resilient material.
Patent CA-1254443-A (CA)
Inventor: YOSHIMURA HIROICHI
IPC: F04B1/04
Filed: 1985-06-28
Granted: 1989-05-23
Abstract: ABSTRACT      A  reciprocating  pump  comprises three  parallel connected plunger piston arrangements and is driven via a  cam mechanism  (10)  by means  of  a  rotary  driving device.   In order to insure a constant discharge, the cam mechanism (10) comprises three plate cams (14) fixed on a common shaft  (13)  so that they are spaced  120° apart from each other, the displacement curve (a1;a2;a3) of each  plate  cam  has  an  ascending  region  in which displacement increases as the angle of rotation of the plate cam increases,  and a decending region in which displacement decreases as the angle of rotation of the plate cam increases, either the ascending region or the decending region including an accelerating section in which  displacement  acceleratingly  changes,  a  uniform velocity section in which displacement linearly changes, and  a  decelerating  section  in  which  displacement deceleratingly changes, the arrangement being such that the sum of the displacement per unit angle of rotation in  the  accelerating section and the displacement  per corresponding unit angle of rotation in the decelerating section is equal to the displacement per unit angle of rotation in the uniform velocity section.
Patent CA-1259473-A (CA)
Inventor: AFGHAN MADJID
IPC: C01B33/157
Filed: 1985-07-10
Granted: 1989-09-19
Abstract: A B S T R A C T         PROCESS FOR THE PREPARATION OF SILICA SPHERES       Silica spheres are prepared in a process comprising: a)   preparing a silica hydrosol by mixing an aqueous solution of an alkali metal silicate with an aqueous solution of an acid; b)   converting the hydrosol into droplet form; c)   ageing the droplets in a fluid to produce hydrogel particles; d)   partially drying the hydrogel particles at 10 to 60 °C in air having a relative humidity in the range of from 45 to 95%, to a water content in the range of from 0.3 to 1.3 kg/kg solids; e)   decreasing the cation content of the hydrogel particles by ion-exchange in an aqueous medium to less than 10 %w, calculated on dry material; and f)   finally drying the hydrogel particles to obtain silica spheres.
Patent CA-1250783-A (CA)
Inventor: LOGAN DAVID J
IPC: G01D15/18
Filed: 1985-09-16
Granted: 1989-03-07
Abstract: ABSTRACT          Ink jet printing apparatus is provided for vertically randomizing the flight paths of ink drops ejected from an ink jet printing head to print dots at positions randomly deviated vertically with respect to a line scanned by the printing head.  Ejected ink drops are passed through an electric field having a randomly vary-ing intensity and direction to randomly deflect the ink drop flight path with respect to a line scanned by the printing head.
Patent CA-1251081-A (CA)
Inventor: HOLZ EMIL
IPC: B65H27/00
Filed: 1985-09-23
Granted: 1989-03-14
Abstract: ABSTRACT            Roller for machines in the paper-making industry or similar, with a honeycomb-shaped roller element formed by upright straight and corrugated bands, extending approximately in the circumferential direction and alternating with each other in the axial direction, said bands being connected by welded joints.  To make passages, which allow a throughflow in the circumferential direction, between the roller element and a fabric cover supported by the latter, openings adjoining the fabric cover are provided in the roller element between the fabric cover and the radially outer edges of the corrugated bands in the area of the connecting points and in the center between the connecting points, and in order to increase the open-passage area of the fabric cover, the latter rests directly on the roller element.
Patent CA-1247715-A (CA)
Inventor: FRUTH RUPERT
IPC: G03D15/10
Filed: 1985-09-24
Granted: 1988-12-28
Abstract: ABSTRACT OF THE DISCLOSURE         A method of automatically detecting the locations of the frame lines of a reversal film as it is supplied to a pro-cessing station, such as a cutting and mounting station, a notch-ing station or the like, so that the frame lines can be used as reference marks for the positioning of the film in the processing station, wherein the film is moved past optoelectronic scanning means in steps which amount to only a fractional part of the nor-mal width of a frame line, said optoelectronic scanning means generate an analog voltage which represents the accumulated light transmission of the film in a scanned area which extends at right angles to the direction of travel of the film substantially across the picture area of the film and has a width which is only a fractional part of a normal width of a frame line, and the extreme value of said voltage obtained during a scanning of at least one normal frame length and corresponding to the lowest light transmission is evaluated as a representation of the light transmission of the scanned film at a frame line is so improved that a confusion between frame lines and frame line like picture elements will be reliably precluded and which can be carried out with apparatus which is uncomplicated and troubleproof.  This is accomplished in that a) the analog voltage is digitalized by means of an analog-to-digital converter, and the digital data obtained for each step of travel are stored for an interval of time which corresponds to the travel over a plurality of frame lengths, and b) the digital data which are stored at a time are compared with each other and those digital data which represent the extreme voltage value are regarded as being associated with a frame line if the number of such data which occur in an uninter-rupted sequence corresponds to a frame line width, with a prede-termined tolerance allowance, and are regarded as being associ-ated with an unexposed frame area if a larger number of such data occur in an uninterrupted sequence.
Patent CA-1232956-A (CA)
Inventor: TOWERS KENNETH S
IPC: H03K7/08
Filed: 1985-10-24
Granted: 1988-02-16
Abstract: A Controller for Generating a Pair of Mutually Exclusive Pulse Train Signals ABSTRACT    An electronic controller for generating a pair of mutually exclusive pulse train signals.  The controller having an offset generator for biasing the input signal about a midpoint value,  a first and second difference amplifier for generating a first and second difference signal,  one  difference  signal  corresponding  to  the difference  between  the  biased  input  signal  and  the midpoint   value   and   the   other   difference   signal corresponding  to  the  inverted  difference  between  the biased input signal and the midpoint value, a saw tooth wave generator generating a saw tooth wave having its valleys clipped to a predetermined value, and a pair of comparators,  one  generating  a  pulse  train  signal  in response to the saw tooth wave and the first difference signal and the other generating the second pulse train signal in response to the saw tooth wave and the second difference signal.
Patent CA-1241480-A (CA)
Title: Aqueous emulsions containing hydrophilic silicone-  organic copolymers
Inventor: LEE CHI-LONG
IPC: B01D53/22
Filed: 1985-11-15
Granted: 1988-08-30
Abstract: AQUEOUS EMULSIONS CONTAINING HYDROPHILIC                  SILICONE-ORGANIC COPOLYMERS                            ABSTRACT           This present invention provides aqueous emulsions which are capable of depositing coatings and membranes of hydrophilic, water-absorbing silicone-organic polymer elastomers. The elastomers are free radical polymerized copolymers of (A)  from 50 to 95 parts by weight of block copolymers containing polydiorganosiloxane segments and polyalkyleneoxy segments which block copolymers contain terminal aliphatically unsaturated groups such as those derived from the reaction of isocyanatoethyl methacrylate with terminal free hydroxyl groups present on the poly-alkyleneoxy segments and (B) from 5 to 50 parts by weight of at least one substantially water insoluble aliphatically unsaturated organic monomer which is compatible with (A) such as methyl methacrylate.  The aqueous emulsions are useful for forming coatings and membranes of the above elastomers and also provide a vehicle for the deposition of coatings of such elastomers which are capable of controllably releasing bioactive agents such as insecticides or herbicides which are dispersed within the elastomer film deposited from the aqueous emulsion.
Patent CA-1240556-A (CA)
Inventor: TSENG CHARLES C
IPC: F04B43/08
Filed: 1985-11-28
Granted: 1988-08-16
Abstract: ABSTRACT               A tubing occluder pump (10) is provided that includes a structure (14) for occluding flexible tubing (18) that distributes a relatively low amount of force at the transverse center (130) that distributes a relatively low amount of force at the transverse center (130) portion of the tubing (18) during occlusion and a relatively large force at the distal transverse ends of the occluded tubing, utilizing a mechanical advantage.              The occluding structure (14) includes a recessed first occluding surface (114) and a projecting occluding surface (130).  The tubing occluding surface is configured so that one half of a transverse section of occluded tubing generally conforms to its original shape and so that most of the strain energy stored within the occluded tubing is utilized to return the other half of the tubing to an open position.              The occluding structure (14) may form part of either a peristaltic pump or a linear pump.
Patent CA-1244457-A (CA)
Inventor: FALK ROBERT A
IPC: A62D1/02
Filed: 1986-01-28
Granted: 1988-11-08
Abstract: Perfluoroalkyl-alkylthio-, -sulfinyl- or -sulfonyl-alkylene glycidyl ethers, a process for their production and their use Abstract of the dlsclosure Perfluororalkyl-alkylthio-, -sulfinyl- or -sulfonyl-alkylene glycidyl ethers of the formula I                       (I), wherein Rf is perfluoroalkyl or perfluoroalkoxyperfluoroalkyl of 3 to 18 carbon atoms; R1 is alkylene, carboxamidoalkylene or sulfonamidoalkylene of up to six carbon atoms and wherein the amido nitrogen is unsubstituted or substituted by lower alkyl; m is 0, 1 or 2; and R is alkylene of 2 to 12 carbon atoms, are useful as intermediates in preparing surfactants.
Patent CA-1240995-A (CA)
Inventor: PASTERIS ROBERT J
IPC: C07D491/04
Filed: 1986-05-20
Granted: 1988-08-23
Abstract: NOVEL PHENYL-SUBSTITUTED SULFONAMIDES      Abstract of the Disclosures Sulfonamides, of the following formula, are disclosed as useful selective pre-emergence or post-emergence herbicides:                             wherein J is                 or         n is O, 1 or 2; W is O or S: R is H or CH3; R1 is H, F, C1. Br, CH3, OCH3. CF3, SCH3 or OCF2H: R5 is H or CH3;      A is        X is CH3, OCH3, OCH2CH3, C1, F, Br, OCF2H, CH2F   or CF3:     Y is H, CH3, OCH3, OC2H5, CH2OCH3, NH2, NHCH3, N(CH3)2, C2H5, CF3, SCH3, OCH2CH=CH2, OCH2C?CH, OCH2CF3, CN, N3, OCH2CH2OCH3, CH2SCH3, CR6(QCH3)2,    CR6 (QCH2CH3)2 OR QCF2T where Q is O or S and T is H, CHC1F, CHBrF or CHFCF3; R6 is H or CH3: Z is CH, N. CCH3, CC2H5, CCl or CBr; Y1 is O or CH2; X1 is CH3, OCH3, OC2H5 or OCF2H; X2 is CH3, C2H5 or CH2CF3; Y2 is OCH3, OC2H5, SCH3, SC2H5, CH3 or CH2CH3; X3 is CH3 or OCH3; provided that a) when W is S, then R is H, A is  , Z is CH or N, and Y is CH3, OCH3, OC2H5, CH2OCH3, C2H5, CF3, SCH3, OCH2CH=CH2, OCH2C?CH, OCH2CF3. OCH2CH2OCH3, CH(OCH3)2 or  ; b) when X is C1, F or Br, then Z is CH and Y is OCH3, OC2H5, NH2, NHCH3, N(CH3)2 or OCF2H;  and c) when R5 is CH3, then n is O; and their agriculturally suitable salts.
Patent CA-1264450-A (CA)
Inventor: LAMARCHE PAUL E
IPC: F16F15/12
Filed: 1986-02-13
Granted: 1990-01-16
Abstract: LONG TRAVEL SERIES DAMPER FOR             CONTINUOUSLY VARIABLE TRANSMISSION            ABSTRACT:       A long travel series damper assembly for a continu-ously variable transmission or similar arrangement which maintains minimal contact friction while equalizing manufacturing and loading tolerances without adding additional frictional forces.  This assembly runs in a dry environment and includes a hub assembly having a barrel and a pair of hub drive plates (24) encompassing the damper assembly and providing inwardly offset drive straps (32), a flywheel drive plate (11) having radially inwardly extending drive arms (14) corresponding in number to the drive straps,  a floating idler divider (73) encompassing the hub barrel and having circumferen-tially spaced dividers, compression damping springs (83,83b,84,84b) located between the flywheel drive arms, the hub drive straps and the idler dividers, and at least two intermediate retaining rings (35,55), each of which is capable of movement independent of the hub assembly in one direction of rotation to limit the friction forces of the damper assembly.
Patent CA-1266247-A (CA)
Inventor: TYMIAK ADRIENNE A
IPC: C07G11/00
Filed: 1986-03-19
Granted: 1990-02-27
Abstract: ABSTRACT         ANTIBIOTIC PREPARED FROM LYSOBACTER sp. SC 14,067 A novel antibiotic substance EM5587 is prepared by cultivation of a strain of the microorganism Lysobacter sp. SC 14,067, A.T.C.C.          No. 53042.
Patent CA-1262455-A (CA)
Inventor: LILJEBRAND SVEN P
IPC: E21B7/20
Filed: 1986-03-27
Granted: 1989-10-24
Abstract: Abstract A drill bit (10) for use in a drill string (11) comprising a set of a plurality of central rod members (12) and a set of a plurality of tubular members (13) surrounding said rod members. The drill bit (10) is provided with a longitudinally extending flushing channel (28) which communicates with an annular space (26) between the rod members (12) and the tubu-lar members (13) via a transverse passage (27). The flushing channel (28) comprises at least two end passages (33) termi-nating in the bit front (25). The cross section area of each of the end passages (33) is smaller than the overall cross section area of the portion of the flushing channel (28) lo-cated between the end passages (33) and the transverse passage (27).            (Fig. 1)
Patent CA-1263637-A (CA)
Inventor: MILLIGAN TIMOTHY H
IPC: B65B5/04
Filed: 1986-04-08
Granted: 1989-12-05
Abstract: SYSTEM FOR BOXING FORMS               ABSTRACT OF THE DISCLOSURE A  system  for   boxing   printed   forms   uses half-slotted  (hsc) containers and apparatus for assem-bling the containers, filling them with forms, compres-sing the forms, applying a lid, and strapping the lid on the container.  Two parallel conveyor systems are used in the apparatus.  A forms infeed accumulator conveyor infeeds  stacks  of  forms  to  a  form-dropping mechanism aligned  above  a  parallel  box-receiving  conveyor.   A folded  box  infeed  tray,  a box opening mechanism,  and bottom  flap  folding  members  assemble  boxes  one  at  a time.   A box pusher transfers the formed box onto the receiving conveyor  and lateral guides and sensor con-trols precisely position the box beneath the form-drop-ping mechanism.  The dropping mechanism has two rows of live roller-fingers abutting end to end and are movable laterally apart to drop the forms into a box below.  The roller  fingers are driven faster  than the accumulator conveyor  and  cooperate  with  a  gate  to  the  dropping mechanism to separate and detain successive stacks while each  stack  is  being  dropped.   A container  and  forms guide arrangement is suspended from the infeed conveyor and vertically adjustable as a unit for different height boxes.  The box-receiving conveyor is lowered upon dis-charge  to  allow  the  boxed  forms  to pass  beneath  the interfacing guide frame.  Automatic sensor and actuator controls  orchestrate  box  erection  and  infeed,  forms infeed and dropping, raising and lowering the receiving and discharge conveyor, and interlock operation of the various mechanisms so that forms are only dropped into an empty box.  The boxes are sized to close tolerances about the forms to air-cushion the dropping stack.
Patent CA-1257352-A (CA)
Inventor: BAUER ANDERS G
IPC: H04B3/23
Filed: 1986-04-21
Granted: 1989-07-11
Abstract: ABSTRACT OF THE DISCLOSURE           A method and apparatus is disclosed for adjusting a digital equalizing filter in a hybrid circuit in a tele-communication system for transmitting digital information in duplex on a single line pair with simultaneous adaptive echo elimination and adaptive elimination of noise caused by intersymbol interference.  A first and a second compensation signal (?(t), ?(t)), which are respectively dependent on the stored parameters of a digital balance filter and the equalizing filter, are subtracted from a received signal (a(t) + e(t) + i(t)) to form a difference signal (r(t)) which is compensated for noise respectively caused by echoes and intersymbol interference.  The balance filter parameters are corrected with the aid of a correction signal ( .epsilon.Bk) dependent on the difference signal (r(t)).  The equalizing filter parameters are adjusted with the aid of a further correction signal ( .epsilon.Uk) formed by the balance filter cor-rection signal (.epsilon.Bk) and the first compensation signal (ê(t)) such that the further correction signal (.epsilon.Uk) will substantially agree with the balance filter correction signal (.epsilon.Bk), but obtain the value zero when the first compensation signal (ê(t)) and the balance filter correc-tion signal (.epsilon.Bk) are both positive simultaneously or negative simultaneously.  The correction sequence of the equalizing filter parameters when the balance filter para-meters are changed in a direction such that the absolute amount of the estimated echo (ê(t)) increases is thus prevented.
Patent CA-1274828-A (CA)
Inventor: WADE JAMES J
IPC: C07D487/04
Filed: 1986-08-18
Granted: 1990-10-02
Abstract: ABSTRACT OF THE DISCLOSURE:            Certain triazolo[1,5-c]pyrimidines and their pharmaceutic-ally acceptable acid addition salts are useful as broncho-dilator agents. The compounds may be produced by a process wherein  triazolo[4,3-c]-pyrimidines  substituted  on  the 7-position through a nitrogen atom which is part of a heterocyclic ring are rearranged to provide the corres-ponding  7-substituted  triazolo[1,5-c]pyrimidines  by  the catalytic action of an organic base in a protic solvent.
Patent CA-1261453-A (CA)
Inventor: ENGLE THOMAS H
IPC: B60T17/22
Filed: 1986-08-27
Granted: 1989-09-26
Abstract: CONTROL SYSTEM FOR INTEGRAL TRAINS     ABSTRACT OF THE INVENTION   A train having at least a pair of control cabs spaced along the train interconnected  electronically.    Electric  signals transmitted between the control  cable  allows  for fluid braking signals to be propagated from both control  cabs  toward  each  other.  Each car of the train includes a device for  modifying  a  test  signal  transmitted  between  the  control  cabs in response  to a specified condition.  The signal modify device can be a tuned circuit and may indicate brake status or a hot journal.