baber/WOPTO huggingface dataset:
Patent CA-2037931-A1 (CA)
Title: Hydrostatic drive for vehicles with multi-axle control, process for driving said vehicles and other components hydrostatically
Inventor: KASPAR ERNST
IPC: F16H61/444
Filed: 1990-08-02
Abstract: A hydrostatic drive has at least one hydraulic source with a hydraulic flow which can be varied continuously from zero and at leas two hydromotors connected in paral-lel for driving a component. A mechanical connection is located between the compo-nent and each hydromotor. To obtain a continuously variable, relatively high demulti-plication ratio which includes the range for a hill climbing ability of a vehicle crane of 60 % up to a maximum speed of 62 km/h, the parallel branches consisting of the hy-dromotors (5, 6; 35...; 65...; 81) and the mechanical connections (8, 10;  41...; 88) have different products obtained by multiplying the torque constants (k) of the correspond-ing hydromotor (5, 6; 35...; 65...; 81) at maximum absorption volume by the reduction ratio (i) of the associated mechanical connection (8, 10; 41...; 88), the hydromotors(s) (5; 35, 35a to 37, 37a; 81, 82) in one branch with a product (k i) greater than the smal-lest product present can be varied continuously up to an absorption volume of zero and can be disconnected from the component (9; 20; 89) by means of a force-engagement coupling (7; 45 ...; 85, 86).
Patent CA-2038886-A1 (CA)
Inventor: CHAMBERLAIN PETER
IPC: C05D9/02
Filed: 1991-03-22
Abstract: ABSTRACT           Chelate Compositions and their Production A compound that is the water insoluble hydrochloride addition  salt  of  the  dihydrogen  ferric  complex  of diethylene  triamine  penta-acetic  acid,  DTPAH5,  namely DTPAFeH3Cl, which has been made in pure form from DTPANa5, and  which  can  be  used  in  an  agricultural  nutrient composition.
Patent CA-2039861-A1 (CA)
Title: Polymeric composition comprising transient foam control agent
Inventor: RHOADS TIMOTHY W
IPC: C08K5/435
Filed: 1991-04-05
Abstract: ABSTRACT OF THE DISCLOSURE     A foamable composition comprising an alkenyl aromatic polymer, blowing agent and a transient foam control agent that is effective to reduce polymer melt viscosity in the melt phase but nonmiscible and nondetrimental to the polymer in the solid phase.     34,375-F
Patent CA-2039919-A1 (CA)
Title: Method for improving steam simulation in heavy oil reservoirs
Inventor: JENNINGS ALFRED R JR
IPC: E21B43/24
Filed: 1991-04-05
Abstract: METHOD FOR IMPROVING STEAM STIMULATION IN HEAVY OIL RESERVOIRS                         ABSTRACT     A method for controlling formation fines when producing heavy oil from an unconsolidated sand formation where at least two wells are utilized.  Both wells are perforated and hydraulically fractured at a lower interval via a viscous gel fluid having a sized and high temperature resistant proppant therein.  The proppant is a size sufficient to filter fines from the oil, thereby keeping the fracture clear. Cyclic steam injection and oil production are conducted in on well, while the other is shut-in.  This sequence is continued until a desired amount of solids free hydrocarbonaceous fluids have been produced from the lower interval. Thereafter the lower interval is blocked off mechanically while cyclic steam injection and oil production are conducted in one well and the other well is shut-in until a desired amount of solids free hydrocarbonaceous fluids have been produced from a higher interval.
Patent CA-2045169-A1 (CA)
Inventor: CAVLIN SOEREN
IPC: B31B50/20
Filed: 1990-01-17
Abstract: A process and an apparatus for preventing a packaging material which is being die-cut and scored from developing cracks. A crack-reducing sheet material (17) is positioned between the cutting/scoring tools (9, 13) and the packaging material (5) to absorb impact energy from said tools and relieve the packaging material of crack-producing forces in the direction of its plane.
Patent CA-2047943-A1 (CA)
Title: Leucocyte depleting filter device and method of use
Inventor: GSELL THOMAS C
IPC: A61M1/18
Filed: 1991-07-26
Abstract: Leucocyte depletion filter assemblies decrease the leucocyte content of a leucocyte-containing liquid at a flow rate of greater than 25 milliliters per minute. These filter assemblies are suitable for use in an extracorporeal circuit. Methods for removing leucocytes and other deleterious matter are also disclosed.
Patent CA-2049726-A1 (CA)
Title: Protective material capable of application in molten form
Inventor: ELM RAINER
IPC: C09D7/12
Filed: 1991-08-22
Abstract: ABSTRACT          A protective material for metallic, primed or lacquered surfaces, the material comprising not less than 50% by weight of largely amorphous poly-.alpha.-olefins composed of 3 to 75% by weight of C4-C10-.alpha.-olefins, 25 to 95% by weight of and 0 to 20% by weight of ethene, not more than 30% by weight of other olefin polymers and not mare than 40% by weight of conven-tional additives.  The material can be applied in molten form and shows good adhesion and abrasion resistance.  The material, which can be easily recycled, is particularly useful for protecting the underfloor region of motor vehicles.
Patent CA-2049905-A1 (CA)
Inventor: TAKAHASHI TAKAO
IPC: G11B20/10
Filed: 1991-08-26
Abstract: A digital signal played back from a record medium is supplied to plural processing circuits which exhibit respectively different characteristics to impart different error rates to the digital signal processed by each circuit. The processed digital signal having the most favorable error rate is detected and the processing circuit which produces that signal is selected for use with further circuitry which recovers information from the processed digital signal.
Patent CA-2052576-A1 (CA)
IPC: B25B13/46
Filed: 1991-10-01
Abstract: A  rotational  power coupling consists of drive  shaft  cou-plings  and stationary housings within which the  shafts  rotate.          One  housing has a flange with external threads; the other has  a plain  flange.   A threaded nut engages the threaded  flange  and draws the two flanges together, locking the housings.  The nut is surrounded  by a collar which can rotate about it. A handle  ex-tends  from  the  collar.  The nut has external  teeth,  and  the collar has oppositely directed pawls.  When the pawls engage  the teeth, the handle may be used to turn the collar.
Patent CA-2054771-A1 (CA)
Title: Method of treatment of hepatitis
Inventor: MITSUYA HIROAKI
IPC: A61K31/70
Filed: 1990-05-15
Abstract: Hepatitis B is treated by administering an effective amount of 2',3'-dideoxyguanosine, 2',3'-dideoxyadenosine, or 2',3'-dideoxyinosine.
Patent CA-2055645-A1 (CA)
Title: Tire casing tread for heavy vehicule
Inventor: LUROIS PATRICK
IPC: B60C11/00
Filed: 1991-11-15
Abstract: Tyre tread for heavy goods vehicles with a radial carcass comprising a plurality of circumferential rows of blocks (13) provided with incisions (15) and bounded by circumferential (10) and transverse (12) grooves, the said blocks being joined together in the circumferential direction by flats (14) which are arranged in the transverse grooves (12) and whose height increases from the centre towards the edges of the tread, the depth of the incisions (15) decreasing from the centre towards the edge of the tread and the density of the incisions being at its greatest in the middle zone (Z) of the tread. 
<IMAGE>
Patent CA-2056686-A1 (CA)
Title: Thread monitor
Inventor: MUELLER PETER
IPC: D03D51/18
Filed: 1991-11-29
Abstract: Abstract The thread  monitor serves to detect the passage of a thread (F) moving in the transverse direction and contains a pivoting member (B) which can be actuated by the thread and a sensor (7) monitoring the actuation of this pivoting member. The pivoting member (B) is designed in such a way that, during the passage of the thread, the pivoting member (B) is deflected from its rest position and then returned into its rest position, the sensor (7) being designed for detecting this return. The pivoting member (B) is elastic and in one-piece and the sensor (7) is sensitive to pressure.        Field of application: thread storage means and thread-transfer devices, in particular those in weaving and in warp-thread preparation.            (Fig. 2)
Patent CA-2057266-A1 (CA)
Title: Dna isolation method
Inventor: JHINGAN ANIL K
IPC: C12Q1/68
Filed: 1991-12-09
Abstract: DNA ISOLATION METHOD            Abstract A novel  method  for  the  isolation  of high molecular weight DNA from plants,  yeast  and bacteria using xanthate-forming   compounds    such    as   sodium/potassium ethyl xanthogenate is disclosed.   The  procedure does not require deproteination and yields  clean  DNA  that  is suitable for both PCR and Southern  blotting.    It  can be utilized on a small scale without homogenizing the tissue.  These features also facilitate automated screening or plant tissue samples, one of the labor-intensive  techniques in molecular biology. This method is also adaptable for use in the field.
Patent CA-2057631-A1 (CA)
Title: Disperse dye mixture and dyeing method employing it
Inventor: SETO KOUICHI
IPC: C09B67/22
Filed: 1991-12-17
Abstract: ABSTRACT    A disperse dye mixture comprising from 20 to 80% by weight of an orange disperse dye  of the following formula (A) and from 20 to 80% by weight of an orange disperse dye of the following formula (B), as dye components:                                                  (A)                      (B)
Patent CA-2058934-A1 (CA)
Inventor: HEINSOHN HENRY G
IPC: C12R1/685
Filed: 1990-06-13
Abstract: Disclosed are methods for the recovery and purification of naturally produced chymosin. In particular, disclosed are methods for the recovery and purification of chymosin from aqueous solutions containing chymosin, pepsin and other contaminants.
Patent CA-2059578-A1 (CA)
Title: Face and edge trim method for an automatic mesh generation system
Inventor: MESHKAT SIAVASH N
IPC: G06F17/50
Filed: 1992-01-17
Abstract: ABSTRACT            A method is described for producing a mesh of finite elements that are entirely within a body to be analyzed, the  body  exhibiting  edges  and  surfaces.   The  method comprises the steps of:   producing an initial mesh of elements for the body, each element having a plurality of vertices and edges; finding any body edge segment which is not coincident with a finite element edge and adding a vertex on that segment,  the added vertex positioned to minimize the number new vertex points needed on the body edge  segment.   Additional  finite  elements  are  then created by connecting the new vertex to adjacent close vertices.  A finite element is now identified which has both an edge coincident with an edge segment of the body and another edge segment that passes through a face of the body.  A new vertex is placed on the body face in the vicinity of an intersection of the intersecting element edge  so  as  to minimize  the  number  of  added required vertices, and the method then creates additional finite elements by connecting the added vertex to adjacent close vertices.
Patent CA-2060468-A1 (CA)
Title: Method and apparatus for winding a traveling web
Inventor: ADAMS RICHARD J
IPC: B65H18/22
Filed: 1992-01-31
Abstract: A two-drum belt winder includes a belt looped over two fixedly mounted support drums.  The tension in the belt is adjustable from an initially relieved tension condition where a depression is formed in the belt over the notch between the support drums.  A new core is inserted in the depression and is wrapped by the on-coming paper web to begin forming a wound roll of paper.  As the wound roll of paper increases in diameter, the tension in the looped belt is increased to provide greater support in the span between the nips of the wound roll over the belt against the support drums.  Initially, a rider roll is also brought into nipping engagement with the wound paper roll.  The nip load of the rider roll is gradually relieved as the diameter of the wound paper roll increases.  Eventually, the rider roll is relieved except for a nominal pressure contact with the wound paper roll so that the tension of the on-coming paper web being wound into the wound roll in the nips on the support drums is essentially due to the weight of the wound roll.  The wound roll is continuously supported symmetrically over a segment of its lower peripheral surface by a span of the tensioned belt and the nips of the horizontally disposed support drums.
Patent CA-2062490-A1 (CA)
Title: Integral ball cage for pointing device
Inventor: BIDIVILLE MARC
IPC: G06F3/0487
Filed: 1992-03-09
Abstract: A b s t r a c t An electronic mouse for translating linear movement of the mouse across a work surface into digital signals for control of a cursor in a personal computer or workstation comprising an upper housing, a lower housing adapted to have logic mounted thereon and an opening therethrough, a ball, and an integrally formed ball cage integrally formed with or mounted on the lower housing and having a recess therein for receiving the ball and further  having  integrally  formed  therewith  at  least  two extensions for receiving rotating portions of shaft encoders, each shaft encoder being clip mounted into position on the ball cage, the ball being sandwiched between the ball cage and the lower housing to cause the shaft encoders to remain in contact with the ball whenever the ball is rolled across a working surface during operation of the electronic mouse.
Patent CA-2062782-A1 (CA)
IPC: A47C27/00
Filed: 1991-01-17
Abstract: 2062782 9112754 PCTABS00007 A fitted mattress cover (10) for enveloping the exposed surfaces of a mattress (14) constructed to minimize the shifting of the cover (10) relative to the mattress (14). The cover (10) includes a top panel (12) for fitting in overlying relationship to the mattress top surface and a peripheral skirt (16) depending from the peripheral edge of the top panel (12) for fitting an overlying relationship to the mattress sides and ends. The depending skirt (16) includes a layer of fabric material (22) and a plurality of parallel, spaced-apart elastic cords (18) stitched into the skirt fabric (22) to gather the fabric material (22) into folds perpendicular to the longitudinal axis of the elastic cords (18). Also, a method of making the cover (10) includes forming a panel of fabric material for the top panel (12), forming a flat layer of fabric material (22) for the skirt (16), longitudinally straining a plurality of parallel spaced-apart elastic cords (18), concurrently stitching the cords into the flat layer of fabric material (22), allowing the elastic cords (18) to relax forming gathers in the layer of skirt material (22) with the axis of the folds of the gathers perpendicular to the longitudinal axis of the cords (18).
Patent CA-2062806-A1 (CA)
Title: Coin testing apparatus
Inventor: WAITE TIMOTHY P
IPC: G07D5/08
Filed: 1990-06-21
Abstract: PCT No. PCT/GB90/00956 Sec. 371 Date Jan. 6, 1992 Sec. 102(e) Date Jan. 6, 1992 PCT Filed Jun. 21, 1990 PCT Pub. No. WO91/01029 PCT Pub. Date Jan. 24, 1991.In a coin testing apparatus, the front face of an inductive coil, the front fact of a high-permeability core for the coil, and a structural part of the apparatus, are all accurately located relative to each other by having the coil wound on a former having a front flange which determines the relative positioning of those features.
Patent CA-2062965-A1 (CA)
Title: Method and apparatus for compression and decompression of digital data
Inventor: BARNSLEY MICHAEL F
IPC: G06T9/00
Filed: 1990-05-17
Abstract: Digital image data is automatically processed by dividing stored image data into domain blocks and range blocks. The range blocks are subjected to processes such as a shrinking process to obtain a mapped range blocks. Then, for each domain block, the mapped range block which is most similar to the domain block is determined, and the address of that range block and the processes the block was subjected to are combined as an identifier which is appended to a list of identifiers for other domain blocks. The list of identifiers for all domain blocks is called a fractal transform and constitutes a compressed representation of the input image. To decompress the fractal transform and recover the input image, an arbitrary input image is formed into range blocks and the range blocks processed in a manner specified by the identifiers to form a representation of the original input image.
Patent CA-2063714-A1 (CA)
Title: Portable luminescent object
Inventor: LUKOS GUILLAUME GERARD
IPC: F21K2/06
Filed: 1990-05-25
Abstract: The portable object comprises a sealed housing (1) having at least one light-transparent wall (2) and containing a first liquid and a frangible bulb (3) containing a second liquid which reacts on contact with the first liquid to produce luminescence which can be seen through the transparent wall (2) of said housing. The housing (1) is a relatively flat container. The frangible bulb is placed between two walls (2, 4) in said container, one of said walls being relatively flexible so that a user can push it inwards by hand and thereby shatter the bulb (3). The container comprises a cavity (5) forming a bump on one of said walls, whereby the volume of the space between said walls (2, 4) is substantially increased. The object can be used in particular to produce luminescent badges.
Patent CA-2067343-A1 (CA)
Title: Apparatus for extending an enclosure
Inventor: ROBERTON IAN
IPC: E04B1/343
Filed: 1990-10-05
Abstract: ABSTRACT         Garage  extension  apparatus  comprising  a pair of channel section guide tracks (11 and 12), one on each sidewall of the garage  (10),  and a movable structure  (13)  formed of  a roof  (14), depending sidewalls (15 and 16) and an up-and-over door (17). The  structure  is  supported  on  a  pair  of  ground engaging wheels  (18 and 19),   each mounted at the front of a respective one of the sidewalls  (15 and 16) by a screw jack (27),  and on a pair of upper wheels (21 and 22) which each run in the channel of a respective one of the guide tracks (11 and 12) and which are pivotally mounted at the rear of the roof (14),  so that the movable structure (13) can follow the slope of the carriageway,  up or down,  as it is drawn out of the garage. The screw jacks (27) enable the movable  structure  (13)  to be levelled if the ground slopes from one side to the other.
Patent CA-2069179-A1 (CA)
Title: Tieback adapter for a subsea well
Inventor: GARBETT KEITH
IPC: E21B33/043
Filed: 1992-05-21
Abstract: ABSTRACT    An improved tieback system for a subsea well and an improved tieback adapter (20) for a tieback casing string connecting from a platform to a subsea well. The tieback adapter connects to the hanger (22) and to the top end of the  inner  tieback  casing  string  (18)  and  includes adjustable means (30) for connecting between the hanger and the inner tieback casing string.  A tool (84) for moving said hanger relative to a head (14) on the upper end of the outer tieback casing string (12) and relative to the inner tieback casing string (18) and for tensioning the inner tieback  casing  string  is provided.    The  adjustable connecting means has a ratcheting latch means (40,64,66) allowing such relative movement between the two tubular mandrels of the adapter and means (40,70) for preventing movement of the inner tieback casing string relative to said banger against upward loads.
Patent CA-2069756-A1 (CA)
Title: Method for inhibiting follicular maturation
Inventor: WOODRUFF TERESA K
IPC: A61K38/04
Filed: 1991-01-04
Abstract: A method is provided for inhibiting the maturation of follicles in the ovary of a female mammal comprising administering to the ovary of the mammal an effective amount of activin. This method is particularly effective in treating polycistic ovarian disease.
Patent CA-2073456-A1 (CA)
Title: Hand held shower adapted to provide pulsating or steady flow
Inventor: ROGERS DANIEL G
IPC: C08F10/00
Filed: 1991-11-19
Abstract: A hand held shower including a spray head operable to selectively discharge a continuous spray or a cyclically interrupted pulsating spray. The spray head contains two separate groups of discharge orifices, one group operable to discharge a continuous spray, and the second group operable to discharge a cyclically interrupted pulsating spray. The spray head comprises a housing forming a chamber; a water inlet plate having two sets of supply orifices, a radially outer steady spray supply set and a radially inner pulsating spray supply set, closing the forward end of the chamber and fixedly mounted in the housing; a face plate having a wall confronting the water inlet plate and having two sets of supply perforations therein, a radially outer steady spray supply set and a radially inner pulsating spray supply set; the face plate being mounted for limited arcuate movement with respect to the water inlet plate so that either the radially outer steady spray supply perforations can be aligned with the radially outer steady spray supply orifices in the water inlet plate, or so that the radially inner pulsating spray supply perforation can be aligned with the radially inner pulsating spray supply orifice in the water inlet plate. The radially outer perforations of the face plate are in communication with an annular chamber containing the continuous spray discharge orifices. The radially inner perforations of the face plate are in communication with a cylindrical chamber disposed radially inwardly of the annular chamber. A spinner having radially extending vanes and a partially closed front end is rotatably mounted in said cylindrical chamber. Flow through the radially inner perforations impinges upon the vanes to drive the spinner in rotation. Rotation of the spinner, due to its partially closed end, provides a cyclical flow to a group of discharge orifices in a spinner cover which is fixedly mounted over the open, front end of the cylindrical chamber. This cyclical flow through these discharge orifices provides a pulsating spray.
Patent CA-2074634-A1 (CA)
Inventor: BEAUSEIGNEUR PATRICIA A
IPC: B01J37/02
Filed: 1992-07-24
Abstract: ABSTRACT OF THE DISCLOSURE A porous catalyst support which may be used in a catalytic converter for treating automotive exhaust gases. The support comprises a substrate having a multichannel structure of generally thin walls and washcoat particles of colloidal particle size mainly or wholly within the pores of the walls so as to increase open frontal area and reduce back pressure.  Substrate is either ceramic or metal.  In a ceramic substrate with microcracks in the walls, the washcoat colloidal dispersion is free of soluble inorganic constituents and the particles do not fill the microcracks so as to prevent undesirable increase in thermal expansion and corresponding decrease in thermal shock resistance.
Patent CA-2074704-A1 (CA)
Title: Seam cleaning composition
Inventor: EHRHART WENDELL A
IPC: C11D17/00
Filed: 1992-07-27
Abstract: ABSTRACT      A seam cleaning paste, cream or liquid is disclosed, which comprises a hydrocarbon solvent and a finely divided inorganic powder.  Treatment of the area near the seams of various types of floor coverings, especially highly stain resistant and soil resistant floor coverings, does not significantly change the appearance of the floor nor its resistance to soiling or staining.  Yet it results in much improved adhesion of certain seam coaters subsequently applied to bridge the seam and prevent dirt from lodging therein.  These creams do not exaggerate bubble formation in subsequently applied seam coaters and in fact, preferred embodiments help prevent such bubbles from forming.