baber/WOPTO huggingface dataset:
Patent CA-2026954-C (CA)
Title: Lithographic printing press
Inventor: GAFFNEY JOHN MARSHALL
IPC: B41F13/24
Filed: 1990-10-04
Granted: 1997-05-06
Abstract: An improved printing press includes a tubular-shaped blanket removably disposed on a blanket cylinder and having a continuous outer side surface which is free of gaps and which is disposed in rolling engagement with a printing plate on a plate cylinder.  The blanket is at least partially formed of a compressible material which is compressed by the plate cylinder at a nip between the plate and blanket cylinders.  The outer side surface of the blanket has a surface speed which is the same at locations immediately before, at, and immediately after the nip to prevent smearing of the ink pattern at the nip.  The blanket may be formed with an outer layer of incompressible material and an inner layer of compressible material.  The outer layer of the blanket is deflectable to compress the inner layer of the blanket.  The inner layer of the blanket contains a plurality of voids which are relatively large prior to deflection of the outer layer of the blanket by the printing plate on the plate cylinder and which are relatively small at a portion of the inner layer of the blanket which is subsequently compressed by deflection of the outer layer of the blanket.  The blanket has an inner metal sleeve which is tensioned by the blanket cylinder to retain the blanket on the blanket cylinder.
Patent CA-2027912-C (CA)
Title: Rotating joint
Inventor: VILLENEUVE MAURICE
IPC: F16L27/08
Filed: 1990-10-18
Granted: 2001-04-10
Abstract: A rotating joint for tiltable metallurgical furnaces includes first and second flanges fixedly secured respectively to a furnace which points about an axis of rotation and to an outlet launder. The adjacent flanges extend radially from the axis of rotation and face each other. The second flange includes a series of equidistant and similar arcuate slots distributed near the periphery thereof about the axis of rotation. A corresponding hole is defined in the first flange for each of the arcuate slots. A tie rod which extends through the first and second flanges and through a seal gasket provided therebetween includes at the end thereof protruding from the stationary second flange a pair of coaxial rollers which are rotatably mounted on a pin fixedly secured to the tie rod in order that the common axis of the rollers is, parallel to a radius of the stationary second flange. The end of the tie rod protruding outwards of the rotating first flange is threaded to receive a nu-t for tightly attaching the two flanges together with the pairs of rollers bearing against the stationary second flange on each side of the arcuate slot. Therefore, upon rotation of the furnace, the first flange rotates thereby causing the tie rods to displace along respective arcuate slots with the rollers rolling on the stationary second flange while keeping a constant pressure on the flanges to maintain the seal. This allows a free motion of the furnace tilt while providing a reliable and durable seal against infiltration and leaking while molten metal flows through the rotating joint.
Patent CA-2028414-C (CA)
Inventor: DECKER OWEN H
IPC: B29C70/30
Filed: 1990-10-24
Granted: 2000-02-08
Abstract: Composite pressure vessels having improved fiber strength translation of the unidirectional, axial, impregnated strand or tow strength delivered in tensile strength of hoop fibers of the composite pressure vessel are obtained by a process in which matrix resin formulations containing surface-active agents are employed. The pressure vessel is formed from a strand or tow having fiber or filament impregnated and bonded with a chemorheologically viscosity tailored matrix resin formulation (such as of an epoxy resin) containing a surface-active agent in an amount sufficient to permit wetting of the fiber or filament by the matrix resin but insufficient to adversely interfere with the bond between the resin and the fiber or filament.
Patent CA-2028762-C (CA)
Title: Switching mechanism for video lighting apparatus
Inventor: MATSUKI KOHICHI
IPC: H04N5/225
Filed: 1990-10-29
Granted: 1999-01-05
Abstract: The present invention comprises a switching mechanism for a video lighting apparatus operating in response to a signal generated by a video camera upon the operation of the video camera.          Thus, the lighting apparatus provides light only for the periods needed, i.e., during the actual camera operation.
Patent CA-2030169-C (CA)
Title: Emulsion explosive
Inventor: SUJANSKY VLADIMIR
IPC: C06B47/14
Filed: 1990-11-16
Granted: 2000-08-22
Abstract: An emulsion explosive comprising a discontinuous oxygen-releasing salt phase, a continuous fuel phase and an emulsifier blend, said emulsifier blend comprising a first emulsifier component consisting of at least one emulsifier comprising a lipophilic moiety, being a polymer of a C2 to C6 olefin, and a hydrophilic moiety, being derived from an amine wherein the HLB of the first emulsifier component, as herein defined, is in the range of from 1.0 to 1.3 and a second emulsifier component and wherein the HLB of the emulsifier blend, as herein defined is in the range of from 1.4 to 3Ø      Compositions of the present invention combine not only ease of formation and long term stability but also provide significant advantages in the refinement of emulsions and exhibit improved tolerance to shear allowing repumping and greater ease of handling.
Patent CA-2044959-C (CA)
Title: Zeolite nu-86
Inventor: CASCI JOHN LEONELLO
IPC: B01J29/88
Filed: 1991-06-19
Granted: 2001-06-05
Abstract: A zeolite, designated zeolite NU-86, having a molar composition expressed by the formula 100 X02: equal to or less than 10 Y2O3: equal to or less than 20 R2/nO where R is one or more cations of valency n, X is silicon and/or germanium, Y is one or more of aluminium, iron, gallium, boron, titanium, vanadium, zirconium, molybdenum, arsenic, antimony, chromium and manganese and having an X-ray diffraction pattern including the lines shown in Table 1 is prepared from a reaction mixture comprising XO2 (preferably silica), Y2O3 (preferably alumina) and a polymethylene alpha, omega-diammonium cation.      This zeolite is a useful catalyst for a variety of reactions.
Patent CA-2045261-C (CA)
Title: Method of layer stripping to predict subsurface stress regimes
Inventor: WINTERSTEIN DONALD F
IPC: G01V1/28
Filed: 1991-06-21
Granted: 1997-08-12
Abstract: A method for analyzing seismic shear wave data, using a layer stripping technique, to predict subsurface stress regimes is disclosed.  Polarization directions of shear wave data, from either a vertical seismic profile or from surface reflection data, are analyzed, and time lags between fast and slow split shear wave are determined.  Natural polarization directions of and time lags between the split shear waves in an upper layer are determinded above the shallowest depth where data cues suggest polarization changes take place.  Source and receiver axes of the data below the depth of polarization changes are rotated by an azimuth angle, to bring the axes into proper alignment.  A static time shift is then applied to eliminate the time lag in the upper layer above the depth where polarization changes were indicated.
Patent CA-2047580-C (CA)
Title: Shim and computerized chart for simultaneously adjusting camber and toe-in
Inventor: BLECHSCHMIDT JAMES L
IPC: G01B5/25
Filed: 1991-07-23
Granted: 1996-01-30
Abstract: Computerized chart apparatus for selecting a shim to  simultaneously adjust  the  toe-in and camber  of  the wheel assembly of a vehicle.
Patent CA-2048253-C (CA)
Title: Polyurethane sponge having rapid iodine release
Inventor: KARAKELLE MUTLU
IPC: A01N25/34
Filed: 1991-07-31
Granted: 1998-09-22
Abstract: A polyurethane composition has particles of solid polyvinylpyrrolidone-iodine complex  evenly distributed throughout the polyurethane matrix so that the complex does  not  associate  with  the  polyurethane  to  any appreciable   extent.    In   one   embodiment   of   the composition,  the  polyurethane  is  thermoplastic  for coating   or   molding   applications.     In   another embodiment,  the  composition  is  a  polyurethane  foam particularly useful  as  a  sponge  for  scrubbing  which provides almost  instantaneous release of the complex. The sponge may be provided in a package which includes other items useful for scrubbing.
Patent CA-2048490-C (CA)
Title: Method and apparatus for enhancing signalling reliability in a cellular mobile radio telephone system
Inventor: GHISLER WALTER
IPC: H04B7/26
Filed: 1991-08-06
Granted: 2002-01-01
Abstract: A method and apparatus for achieving reliable transmission of signalling messages in a cellular system in which the frequency plan, frequency/time slot allocation plan, code channel allocation plan, or dynamic/adaptive channel allocation rule of the system is violated by allowing adjacent base stations to reuse particular frequencies/time slots/channels for signalling a particular mobile station. In situations where signalling messages, such as handoff commands, which are communicated between a base station and a mobile station are not properly received by the mobile station, an alternate communications channel will be established to ensure the reception of these messages. The alternate channel is provided by repeating the message through a channel associated with a base station which has better radio characteristics. The channel selected for transmission of the message by the new base station will be on the same frequency/time slot/code as used by the established connection.
Patent CA-2051998-C (CA)
Title: Shelter door system
Inventor: HAMELIN RHEAL X J
IPC: E06B9/174
Filed: 1991-09-20
Granted: 1994-04-05
Abstract: ABSTRACT     A shelter door system having two spaced upright posts forming the sides of a doorframe, a flexible door member movable vertically between the posts, a roller between the upper ends of the posts upon which the door member can be rolled, the roller being supported by frame members, and a plate structure for supporting each post and securing it to the shelter, and side panels for covering the openings between the doorframe and the shelter.
Patent CA-2056007-C (CA)
Title: Nutrient injection method for subterranean microbial processes
Inventor: CLARK JAMES B
IPC: C09K8/90
Filed: 1991-11-22
Granted: 1996-03-26
Abstract: The present invention provides a method of injecting nutrients into a subterranean formation in order to achieve a desired in-situ microbial objective. Sources of indivi-dual nutrient components which are deficient in the for-mation are sequentially injected so that a complete nutrient medium capable of sustaining substantial microbial activity is formed in the formation upon injection of the last of said sources. Said sources are preferably injected into the formation in order of decreasing quantitative formation retainability.
Patent CA-2059397-C (CA)
Title: On demand sensor flush valve
Inventor: SAADI ROBERT E
IPC: E03D3/08
Filed: 1992-01-15
Granted: 1994-10-11
Abstract: An on demand, non-contact sensor controlled flush valve actuation system  includes a flush valve between a water supply and a plumbing fixture.   An actuator for the flush  valve  includes  a  moveable  piston  in  fluid communication with a control water inlet, with a control water conduit carrying water from the flush valve through a  solenoid  operated  control  valve  to  the actuator assembly.  A radiation sensing/detecting unit generates a first control signal in response to the return reflection of infrared radiation.  A timer receives the first control signal  and,  in  response  thereto,  generates  a  second control signal of a predetermined duration which activates the solenoid.   When the solenoid is activated, a portion of the pressurized supply water flows into the actuator assembly  and against a piston therein, with the piston moving to operate a trip mechanism for the flush valve.
Patent CA-2062136-C (CA)
Title: Method and apparatus for variable playback speed of multimedia data interchange within a data processing system
Inventor: BONSALL GORDON WILLIAM
IPC: H04L29/08
Filed: 1992-03-02
Granted: 1996-12-03
Abstract: The method and apparatus of the present invention may  be  utilized  for  the  efficient  interchange  of multimedia  data  in  a  data  processing  system.    A sequential  data  stream  is  established  which  includes multiple variable length consecutive sections,  each of which includes multiple data samples.  Each data sample preferably includes a collection of data and a control structure or header which is utilized to specify a manner of interpreting the collection of data.  In the depicted embodiment of the present invention a track collection index is transmitted in conjunction with the sequential data  stream  and  utilized  to  identify  the  physical location of various track samples within the data stream. Additionally,  a track sequence index is provided which may be utilized to identify the logical order in which the data samples are to be utilized in each selected track to create a multi-media presentation along with an indication of the playback speed to be utilized.  This sequential data stream, track collection index and track sequence  index  are  then  transmitted  throughout  a distributed  data  processing  system  utilizing  various personal computers   or   intelligent   work   stations, permitting   multimedia   data  to   be    efficiently interchanged.
Patent CA-2062380-C (CA)
Title: Single reciprocating dynamic balancer for a double action stamping press
Inventor: SCHOCKMAN ROBERT L
IPC: F16F15/22
Filed: 1992-03-06
Granted: 1995-02-14
Abstract: ABSTRACT A double action mechanical press, especially for cupping operations in which an outer slide is provided within which an inner slide is reciprocally mounted on a common crankshaft. According to the present invention, a single dynamic balancer, out of phase from both the inner and outer slides, is provided on the crankshaft in order to counterbalance the inertial forces generated by the inner and outer slides during press operation.
Patent CA-2063916-C (CA)
Title: Method of providing a self-propelled physical skateboard/rider-system, and skateboard for realizing the method
Inventor: SOBOCAN BORIS
IPC: B62M1/08
Filed: 1992-03-25
Granted: 1996-06-04
Abstract: A footboard of a skateboard is rhythmically swung around a longitudinal axis (O) of swinging lying in suspensions (4,5) of the skateboard with respect to a reference plane which at riding straight is parallel to the riding path, and at turning is, with respect to the direction of riding, slanted to one or the other side.  The amplitude (A) and the frequency of swinging are mutually coordinated  so  that  swinging  does  not  result  in  substantial meandering of the skateboard.  A gearing (9, 10) is attached to each end of a socket shaft housing (8) of the suspension (4,5) of the skateboard and the housing encases a roller shaft (11).  The gearings are designed as mirror images of each other.  A gearing (9,  10)  has an essentially three-part housing assembly, which includes a mounting casing (13), an upright intermediate wall (16), a mounting cover (17) and a train-type gearing including a toothed rack (19) as a driving constituent and a gear (25) bound to the roller shaft (11), as a driven constituent.  In addition to the roller shaft (11), two further inner shafts (14,  15)  form the gearing, these shafts (14, 15) each supporting two gears (20, 21; 23, 24), gear (20) mating the toothed rack (19) and gear (24) mating the driven gear (25).  The gear (21) is indirectly connected to the respective shaft (14) by means of an overrunning clutch (22),  and shaft  (14)  is rotationally-elastically bound to the stationary mounting casing (13)  of the gearing by means of a suitably   pre-stressed  helical   torsion-spring   (25),   which encompasses the shaft (14).
Patent CA-2064050-C (CA)
Title: Combined paper punch and binding apparatus
Inventor: GROSWITH CHARLES T III
IPC: B42B5/02
Filed: 1990-07-03
Granted: 1995-10-17
Abstract: A paper punch and binding apparatus (10) has two punch me-chanisms, one (12) for punching round holes in a paper sheets stack and one (14) for punching rectangu-lar holes in another paper sheets stack. A single lever or crank (17) si-multaneously operates and drives a series of round end punches (49) to shear the round holes and a punch plate (26) with integral rectangular punch elements (28) shear rectangu-lar holes. A four-bar linkage (42) connects the lever (17) to the punch plate (26) and the series of the punches (49) in a manner that both the plate (26) and punches (49) are driven in a vertical straight line (D, D' fig. 18) and with a greater me-chanical advantage at the start and over the first increments of the punching operation. In a preferred embodiment, a binding station is provided in an apparatus base portion (11) particularly for binding with a Douvry-type plastic resilient loops binding element. The binding station has an operating knob (24) which operates a simple gear interconnect train (64-68) for uncurling the resilient loops (71) and allowing the punched hole stack to be inserted thereon. In an additional embodiment two rows of large (85) and smaller (86) diameter punches are provided in one round punch mechanism (12) with an apertured translatable bar (87) for ren-dering inoperative one or the other of these rows of punches (49).
Patent CA-2072937-C (CA)
Title: Chocolate compositions
Inventor: TALBOT GEOFFREY
IPC: A23G1/30
Filed: 1992-07-02
Granted: 1998-05-19
Abstract: Incorporation of at least 0.5 wt.% of a hardstock rich in (H2M + HM2)-fat into chocolate compositions results in chocolates that display improved bloom characteristics. H = saturated fatty acid with ~ C16; M = saturated fatty acid with C8-C14, in particular C12-C14.
Patent CA-2073361-C (CA)
Title: Subscriber control device
Inventor: HATANO TAKASHI
IPC: H04Q3/60
Filed: 1992-07-08
Granted: 1997-12-09
Abstract: A subscriber control device comprises a scan input table and a last look table.  The scan input table stores respective current line states of a plurality of analog subscriber lines.  The last look table stores respective preceding line states of the plurality of analog subscriber lines and pieces of information for validating or invalidating respective timers.  The scan input table is compared with the last look table at every predetermined cycle.  When they do not match, it is judged whether the line state has changed or which timer is validated.  Based on the judging result, an analog subscriber control is performed according to an instruction specified e.g. by a call processing unit.  The analog subscriber control is any of a call origination monitor, a dial monitor, a HIT monitor and the like.
Patent CA-2075638-C (CA)
Title: Launch vehicle for continuous mining apparatus
Inventor: ADDINGTON LARRY C
IPC: E21F13/08
Filed: 1991-12-09
Granted: 1997-05-27
Abstract: A launch vehicle (10) is provided for a continuous mining system including modular conveyor units (U) that may be con-nected together to form a conveyor train (T). The launch vehicle (10) includes an elongated frame (12) that holds a belt conveyor (14) for conveying aggregate material that is received from the conveyor train (T). A drive assembly (34) for selectively advancing and withdrawing the conveyor train is also provided on the launch vehicle. Additionally, the launch vehicle includes a mechanism (52) for adding a modular conveyor unit to the conveyor train. More specifically, the conveyor train drive assembly (34) includes a pair of cooperating tandem drive cylinders (36, 38). Each drive cylinder includes a pusher arm unit (42) that is adapted to en-gage one of the modular conveyor units of the conveyor train. The conveyor unit adding mechanism includes a positioning me-chanism that holds and places a conveyor unit on the launch vehicle. A pusher cylinder is also provided to push the new conveyor unit into engagement with the rear of the conveyor train. The launch vehicle also includes an extensible front end.
Patent CA-2076408-C (CA)
Title: Equipment for respiratory protection against pollutants
Inventor: SCHEGERIN ROBERT
IPC: A62B18/00
Filed: 1992-08-19
Granted: 1997-01-14
Abstract: An Equipment  for  respiratory protection against pollutants, for use at low altitude comprises a face cover fitted with an atmospheric air supply comprising a filter, a rotary fan to compensate for the head loss due to the filter, and a flexible hose, as well as a self-contained electric  power  source  for  energizing  the  rotary  fan, supplying a rated voltage V0. The fan supplies, under its rated voltage V0, an air flow rate higher than that neces-sary for the wearer when the latter is in rest condition, but far lower than the air flow rate required in case of abnormal activity. A pressure sensor causes a temporary increase in the voltage applied to the fan when the over-pressure prevailing in the face cover with respect to the surrounding is lower than a predetermined value.
Patent CA-2080866-C (CA)
Inventor: VIGIL DENNIS M
IPC: A61M29/02
Filed: 1992-10-19
Granted: 1999-10-12
Abstract: A stenotic dilation device includes a plurality of elongated atherotomes with cutters mounted on the outer surface of a flexible balloon along predetermined crease lines. The atherotomes are aligned along the longitudinal axis of the catheter. The ends of the balloon are attached to a hollow catheter tube over fluid ports in the catheter which establish fluid communication between the catheter and the internal chamber of the balloon. Fluid flow into and out of the chamber will inflate and deflate the balloon. When the balloon is deflated, retraction of the atherotomes toward the longitudinal axis of the catheter causes the creases and lines to form flaps of the balloon membrane material between adjacent atherotomes. In such deflated configuration, the flaps, rather than the cutters of the atherotomes, contact the vessel wall as the device is manipulated into position adjacent a stenotic site. On inflation of the balloon at the stenotic site, the atherotomes are urged against the stenosis to incise the stenosis. The incisions relieve pressure in the wall of the vessel and thus enhance dilation of the vessel by the balloon. After dilation, the balloon is deflated and the device is removed.
Patent CA-2082890-C (CA)
Title: Multi-channel active attenuation system with error signal inputs
Inventor: POPOVICH STEVEN R
IPC: G10K11/178
Filed: 1992-11-13
Granted: 1998-07-14
Abstract: A multi-channel active acoustic attenuation system for attenuating a correlated input acoustic wave has one or more output transducers introducing one or more respective canceling acoustic waves to attenuate the input acoustic wave and yield an attenuated output acoustic wave, one or more error transducers sensing the output acoustic wave and providing one or more error signals, and a plurality of adaptive filter channel models.  Each channel model has a model input from a respective error transducer.  One or more of the channel models also has a model input from at least one of the remaining channel models.  Each channel model has an error input from one or more of the error transducers. Each channel model has a model output outputting a correction signal to a respective output transducer to introduce the respective canceling acoustic wave.  The correction signal from one or more of the model outputs is also input to the model input of one or more of the remaining channel models.