baber/WOPTO huggingface dataset:
Patent CA-2116419-A1 (CA)
Title: Cell collecting device
Inventor: VANDEN BERGHE DIRK A
IPC: A61B17/32
Filed: 1994-02-24
Abstract: ABSTRACT          A universally applicable cell collecting device is provided. The device has a handle and a brush head formed of flexible bristles. The bristles can be positioned such that the cross-sectional dimensions of the brush head are substantially equal in all directions. The bristles can include central bristles surrounded completely by outer bristles that are shorter and thinner than the central bristles. The bristles also can be arranged in a pattern of concentric circles and also can be arranged so that the proximal ends are spaced from one another in a predetermined array with the distal ends contacting one another in a predetermined array. The brush head also can have an outermost row of bristles having an outwardly facing surface with a radius of curvature that matches the radius of curvature of the shape of the brush head. The brush head also can be constructed and arranged such that the bristles have a resting position and a flexed position, wherein all scraping edges of the bristles are unexposed in the flexed position.
Patent CA-2116558-A1 (CA)
Title: Fischer tropsch catalyst comprising cobalt and scandium
Inventor: BESSELL SANDRA
IPC: B01J23/83
Filed: 1992-08-28
Abstract: The specification describes a Fischer-Tropsch catalyst which comprises cobalt, scandium and a suitable support. The specification also describes a process for producing hydrocarbons by contacting synthesis gas with the Fischer-Tropsch catalyst. Suitable supports include silica, alumina, silica-alumina and kieselguhr if the product required is a wax or distillate. Alternatively the support may be an acidic molecular sieve material such as a zeolite if gasoline or distillate and gasoline is/are required.
Patent CA-2117175-A1 (CA)
Title: Metering Meltblowing System
Inventor: ALLEN MARTIN A
IPC: B29C48/30
Filed: 1992-09-11
Abstract: A meltblowing system with a modular die design and on-line monitoring of web properties is described. The modular die consists of individually fed side-by-side meltblowing units. Automated control of the polymer feed rates to the units have been shown to produce a web with excellent uniformity of basis weight. The die also features a valve assembly for minimizing polymer afterflow and die tip plugging.
Patent CA-2118101-A1 (CA)
Inventor: INNIS CHARLES L JR
IPC: B21B31/07
Filed: 1994-10-13
Abstract: A coolant guard for a rolling mill bearing assembly has a base flange and an angularly disposed sealing flange, both molded integrally of an elastomeric material. The base flange is reinforced by an embedded metallic hoop.
Patent CA-2118533-A1 (CA)
Inventor: WILLIAMS JAMES
IPC: A47K3/28
Filed: 1994-10-20
Abstract: A B S T R A C T      An open bottom  shower wall liner,  adapted to be removably placed over the walls above a tub or the walls of a shower stall,  which uses a structurally rigid con-tained framework, collectively formed from an "L-shaped" bottom reinforcing member which is rigid and one or more three-dimensional corner members  which are structurally strong,  and  where,  said structurally rigid  contained framework  is attached to a limp and flimsy, elastic and extensible polyolefin film.  The structurally rigid con-tained framework collectively made by first dead-folding a metal foil, of sufficient thickness and width, into an "L-shaped" bottom reinforcing member which is rigid, and then second, further folding portions of this "L-shaped" bottom reinforcing member  into three-dimensional corner members that are structurally strong, prevents the lower portions of this liner  from billowing  away from shower walls, moving from side to side,  and partially clinging to the skin of the person showering, when lower portions of the liner are affected by forces on the inside of the shower enclosure.
Patent CA-2120796-A1 (CA)
Title: Cement mixing system simulator and simulation method
Inventor: STEPHENSON STANLEY V
IPC: B28C7/02
Filed: 1994-04-07
Abstract: Abstract of the Disclosure A cement mixing and pumping simulator comprises actual and virtual equipment.  In response to an operator controlling this equipment, signals representing operating characteristics of a cement mixing system realistically represented by the actual and virtual equipment are generated.  These signals are communicated for displaying the operating characteristics to the operator so that the operator obtains real-time responses to the operator's control of the actual and virtual equipment.          A method of simulating operation of a cement mixing system comprises:  operating, at a master control location within actual equipment of the cement mixing system, at least one actual control device of the cement mixing system; operating, at the respective location of each, at least one of the actual equipment located away from the master control location; determining characteristics of material  flow through the cement mixing system in response to the operation of the at least one actual control device and the at least one actual equipment without actually flowing material through the cement mixing system; and displaying the determined characteristics in real time with the operating and determining steps.  This method preferably further comprises recording data identifying a performance evaluation of an operator in response to a comparison between at least one of the determined material flow  characteristics  and  a  corresponding  predetermined characteristic.
Patent CA-2124899-A1 (CA)
Title: Tete pour distributeur de produit, en particulier de produit pateux, et distributeur equipe de cette tete
Inventor: GUERET JEAN-LOUIS H
IPC: B05B11/00
Filed: 1994-06-01
Abstract: TETE POUR DISTRIBUTEUR DE PRODUIT, EN PARTICULIER DE PRODUIT PATEUX, ET DISTRIBUTEUR EQUIPE DE CETTE TETE La tête (1) pour distributeur de produit, comprend un embout (2) destiné à être placé sur un récipient (5) contenant le produit à distribuer, cet embout (2) comportant un fond (4) muni d'un manchon (6) dans lequel est fixé par claquage une pièce (11) à laquelle est liée une pompe (14) ; des moyens d'étanchéité (8) sont prévus entre l'embout (2) et la pièce (11) pour coopérer lorsque cette pièce (11) a été claquée sur le manchon (6) de l'embout. L'embout comporte de moyens de retenue (R) propres à maintenir la susdite pièce dans une position de pré-claquage où les moyens d'étanchéité (8) entre pièce et embout ne coopèrent pas encore et des moyens de passage (16) sont prévus entre la surface extérieure de la pièce (11) et la surface interne du manchon (6)dans lequel la pièce est engagée en position de préclaquage pour maintenir une communication entre l'intérieur du récipient (5) et l'extérieur, dans cette position de pré-claquage. (Figure 1)
Patent CA-2125109-A1 (CA)
Inventor: ALSENZ RICHARD H
IPC: F25B49/02
Filed: 1994-06-03
Abstract: REFRIGERATION SYSTEM HAVING A SELF ADJUSTING CONTROL RANGE                  ABSTRACT    A closed loop vapor compression refrigeration system wherein the control range of a control parameter for controlling the flow of the refrigerant through the evaporator coil is automatically adjusted  as  the  operating  conditions  change  is  disclosed.  A control parameter for controlling the refrigerant flow through the  evaporator  and  a  dynamic  control  range  for  the  control parameter are defined. The control range is made a function of certain  system parameters.  A nonlinear  flow  control  response function  associated  with  the  control  parameter  is  selected.          During operation, the control range is automatically adjusted as the values of the selected system parameters change.  The flow through  a  flow control  device,  such  as  an  expansion  valve, coupled to the evaporator,  is adjusted according to the flow control response function as the value of the control parameter changes.
Patent CA-2125918-A1 (CA)
Title: Air flow valve for musical instrument
Inventor: KIRTS HERBERT L
IPC: G10D9/04
Filed: 1994-06-15
Abstract: AIR FLOW VALVE FOR MUSICAL INSTRUMENT or the Disclosure An air flow valve positioned along the air flow path in a wind instrument. The valve includes three air conduits and is shiftable between a first position wherein the air flows substantially straight through the main air passage to the bell, and a second position wherein the air flow is diverted to a slide loop and thence back to the main air passage. The valve includes a manual actuator which is easily accessed by the musician to shift the valve between its first and second positions during playing.
Patent CA-2126120-A1 (CA)
Inventor: KAHLE JAMES ALLAN
IPC: G06F12/08
Filed: 1994-06-17
Abstract: An information processing system and method of operation are provided. In response to a first instruction, a supplemental memory stores first information from a system memory.  In response to a second instruction, a cache memory stores second information  from  the  supplemental  memory  if  the  first information includes the  second information and from the system memory otherwise.
Patent CA-2130576-A1 (CA)
Inventor: YATKA ROBERT J
IPC: A23G4/10
Filed: 1993-03-02
Abstract: 2130576 9317580 PCTABS00025 A petroleum wax-free chewing gum containing special noncariogenic oligosaccharides, sweeteners, and flavors is described. The noncariogenic oligosaccharides are preferably low calorie and act as binders when formulated into the wax-free chewing gums. The binder systems used contain at least 35 weight percent of the binder system as noncariogenic oligosaccharides, preferably including at least one from the group including polydextrose, fructooligosaccharides, indigestible dextrins, oligofructose, isomaltulose oligosaccharides, guar gum hydrolysates, hydrolyzed alginates, and hydrolyzed alkaloses, each noncariogenic oligosaccharide having an average Degree of Polymerization (DP) of at least 3, and preferably from 3 to about 50.
Patent CA-2131330-A1 (CA)
Title: Compositions and Method for Dilute Cleaning of Hard Surfaces
Inventor: WAELE JOHAN KAREL EMMA DE
IPC: C11D1/14
Filed: 1993-03-15
Abstract: The present invention encompasses hard surface cleaning compositions comprising highly ethoxylated nonionic surfactants, possibly in mixture with anionic surfactants. The present invention also encompasses a method of cleaning a hard surface wherein said composition are diluted in water and applied to said hard surface. The present invention also encompasses the diluted cleaning composition obtained in the method according to the present invention.
Patent CA-2132616-A1 (CA)
Inventor: ONODERA KOICHI
IPC: G02F1/00
Filed: 1994-01-25
Abstract: In a magnetooptical element comprising a single crystal of Cd l-x-y Mn x Hg y Te, the single crystal has a composition in an area defined in a quasi three-element phase diagram of MnTe-HgTe-CdTe by four points of: Mn0.01Hg0.04Cd0.95Te, Mn0.01Hgs0.1Cd0.89Te, MN0.12hg0.17Cd0.71Te, and Mn0.25Hg0.04Cd0.71Te.          This renders the magnetooptical element suitable for use in a wavelength range between 0.8 micrometer and 1.1 micrometers.
Patent CA-2135410-A1 (CA)
Inventor: D ORSO MICHEL
IPC: B64D45/04
Filed: 1994-11-09
Abstract: - La présente invention concerne un procédé d'aide au pilotage d'un aéronef (A) à basse altitude. - Selon l'invention : . on calcule une courbe fictive associée à une trajectoire théorique optimale de franchissement d'un obstacle ; et . dans le champ avant (10) de l'aéronef (A) : a) on détermine tous les obstacles (15 à 20) situés dans une zone de recherche ; b) on compare les sommets (2) desdits obstacles détermi nés (15 à 20) à ladite courbe fictive ; c) on définit, comme obstacle dangereux (16,18,20), l'obstacle dont le sommet (2) est situé le plus haut par rapport à ladite courbe fictive ; et d) on communique les coordonnées dudit sommet (2) de cet obstacle dangereux (16,18,20).
Patent CA-2137806-A1 (CA)
Title: Residual activation neural network
Inventor: KEELER JAMES D
IPC: G05B13/02
Filed: 1993-06-10
Abstract: 2137806 9325943 PCTABScor01 A plant (72) is operable to receive control inputs c(t) and provide an output y(t). The plant (72) has associated therewith state variables s(t) that are not variable. A control network (74) is provided that accurately models the plant (72). The output of the control network (74) provides a predicted output which is combined with a desired output to generate an error. This error is back propagated through an inverse control network (76), which is the inverse of the control network (74) to generate a control error signal that is input to a distributed control system (73) to vary the control inputs to the plant (72) in order to change the output y(t) to meet the desired output. The control network (74) is comprised of a first network NET 1 that is operable to store a representation of the dependency of the control variables on the state variables. The predicted result is subtracted from the actual state variable input and stored as a residual in a residual layer (102). The output of the residual layer (102) is input to a hidden layer (108) which also receives the control inputs to generate a predicted output in an output layer (106). During back propagation of error, the residual values in the residual layer (102) are latched and only the control inputs allowed to vary.
Patent CA-2138191-A1 (CA)
Title: Seal ring design
Inventor: BORRINO THOMAS
IPC: F16J15/34
Filed: 1994-12-15
Abstract: A mechanical end face seal having a first seal ring with a generally radially extending sealing face, a second seal ring having a sealing face opposite to and in mating relation with the sealing face of the first seal ring, the second seal ring having a generally radially extending back face removed from and oppositely disposed to said sealing face, the back face including an annular shoulder at the outer diameter defined by an annular axially extending flange which forms an annular section between the flange and the ring outer diameter.  The annular section displaces the ring centroid further toward the seal interface and also toward the ring inner diameter, thus minimizing axial rotational and pressure forces acting on the axially movable ring to stabilize the ring.  Stabilization of the ring permits balancing the seal to over 80% for dry-running with a gas lubricant at over 300 psig pressure differential and high rotational speeds.  A second seal may be used having a second primary ring within a similar shoulder to provide a similar effect, the second seal together with the first seal defining a buffer chamber between them.
Patent CA-2138461-A1 (CA)
Title: Automatic control of a machine used for excavating drifts, tunnels, stopes, caverns or the like
Inventor: SAINT-PIERRE JACQUES ANDRE
IPC: E21C35/24
Filed: 1994-12-19
Abstract: The invention provides an automatic control of the operation of a machine used for excavating drifts, tunnels, stopes,  caverns or the like of a predetermined profile which has a rotatable head and cutting arms mounted on the head for rotation therewith, extending in the direction of excavation and at least one of these cutting arms being radially pivotable. According to the invention the angular position  of the head is continuously measured as the head is rotated and the radial position angle of each pivotable cutting arm is also measured and the output signals from these measurements are processed by the computer which controls the angular positions of the head and of the arms according to a predetermined profile code or program stored in  the  computer  memory  for  cutting  the  predetermined profile.  Additional sensors may be provided to control other parameters such as RPM of the rotating head, the force exerted on the arms, the positioning of the machine and the like.
Patent CA-2138794-A1 (CA)
Title: Syringe for medicinal purposes
Inventor: VETTER HELMUT
IPC: A61M5/315
Filed: 1994-05-03
Abstract: The syringe for medicinal purposes consists of a syringe barrel (1), one end of which is formed as an adapter (2) for a cannula or a closure (3), e.g., in the form of a tip cap, and of a plunger (4), arranged within the syringe barrel (1), and movable by a piston rod (5). At the end of the syringe barrel (1) facing away from the adapter (2), a plunger brake (6) is arranged, which is formed by a rest piece surrounding the syringe barrel (1) and connected removably to it. The rest piece has a projection extending into the lumen of the syringe barrel (1), which forms a stop for the side of the plunger (4) away from the adapter (2).
Patent CA-2142055-A1 (CA)
Title: Annular circuit components coupled with printed circuit board through-hole
Inventor: HOWARD JAMES R
IPC: H05K1/18
Filed: 1995-02-08
Abstract: A circuit component assembly and a method for forming the assembly as an annular body in a laminate, preferably between a trough-hole or via and a surrounding conductive layer in a PCB are disclosed, the circuit component assembly including one or more resistors/conductors, inductors and dielectrics/capacitors or combinations thereof, outer and inner peripheries of the circuit component preferably having substantially constant radii permitting simple determination of operative electrical characteristics for the circuit component from (a) the inner and outer radii, (b) an effective thickness far the circuit component and (c) its electrical characteristics determined by the material formed in the annular recess, the circuit component body preferably being formed from a liquid precursor forming conductive interconnections for the circuit component assembly at its outer and inner perimeters.
Patent CA-2145012-A1 (CA)
Title: Protected aminothiazolylacetic acid derivatives
Inventor: URAWA YOSHIO
IPC: C07D277/38
Filed: 1995-03-20
Abstract: Described is a protected aminothiazolylacetic acid derivative represented by the following formula (I):       wherein A represents a nitrogen atom or a methine group, R1 and R2 may be the same or different and individually represent a hydrogen atom, a lower alkyl group or a substituted or unsubstituted aryl group, R3 represents a lower alkoxy group, a halogenated lower alkoxy group, a triphenylmethoxy group, a lower alkyl group or an acyloxy group, and R4 represents a halogen atom, a hydroxy group, a lower alkoxy group or a substituted or unsubstituted amino group; and salts thereof; as well as processes for the preparation thereof.  The protected aminothaizolylacetic acid derivative according to the present invention is an useful intermediate for introducing a 2-(2-aminothiazol-4-yl)-2-alkoxyiminoacetyl group or a 2-(2-aminotiazol-4-yl)-2-alkenoyl group into a cephem skeleton.
Patent CA-2152914-A1 (CA)
Inventor: HINRICHS MICHELE
IPC: G01J3/28
Filed: 1993-12-27
Abstract: A spectrophotometer useful for spectral analysis of light emanating from one or more targets (37) within an image. The apparatus comprises a diffractive lens (13) having an optical axis, a planar array of photodetector elements (pixel's) (32), a means for changing the distance between the photodetector array (32) and the diffractive lens (31) along the optical axis and a signal processor (34). If either the array (32) or lens (31) is moved along the optical axis, different wavelengths of light from each target within the image come into or out of focus on particular photodetector elements in the plane of array (32) generating sequential images corresponding to different wavelengths. By tracking each pixel's output in the array as a function of lens position relative to the array, the spectral composition of each target within the image is generated.
Patent CA-2154156-A1 (CA)
Title: A circuit board arrangement including shielding grids, and constructing thereof
Inventor: SUSKI EDWARD D
IPC: H05K1/00
Filed: 1994-02-01
Abstract: A shielded flexible cable includes a first shielding grid having conductive elements formed as squares. A second shielding grid is also formed as squares. The two shielding gilds are positioned with respect to each other so that the vertices of the squares of the two grids are respectively offset from each other in each of two directions by one-half the diagonal distance between the vertices of the squares. Electrical signal conductors are positioned between the two grids along lines extending between the vertices of the squares to maintain a controlled impedance of the signal lines. A circuit board includes a reference plane configured as a grid having conductive elements formed as squares. Electrical signal conductors are positioned in a plane adjacent said grid. The decreased percent copper used to construct the grid increases the characteristic impedance of the signal conductors without increasing the thickness of the circuit board, without decreasing the width or thickness of the conductors and without using nonhomogeneous or nonstandard dielectrics. The circuit board provides the use of an increased range of impedance in signal conductors that permits the transfer of signals without degradation of the signal quality or loss of signal density, while providing an acceptable shielding capability.
Patent CA-2154793-A1 (CA)
Title: Lcd system with integrated annunciator
Inventor: PHELPS WILLIAM C
IPC: G08B5/22
Filed: 1994-03-17
Abstract: A display system (100) includes a liquid cristal display (140) which incorporates annunciator areas (142). Each annunciator area (142) has an aperture (146, 147, 148), independently controlled, allow the passage of light through the annunciator  area (142). independently  controlled illumination (160, 210, 212, 214) is positioned behind each annunciator area (142). The passage of light through each annunciator area (142) is controlled by opening and closing the aperture (146, 147, 148).
Patent CA-2155391-A1 (CA)
Title: Process for purifying alpha, beta - unsaturated esters
Inventor: BAUER WILLIAM JR
IPC: C07C67/60
Filed: 1995-08-03
Abstract: This invention provides a method for reducing carbonyl-containing impurities in .alpha.,.beta.-unsatured carboxylic acid esters by treatment of the ester with one or more of a selected phenylenediamine and an acid.
Patent CA-2157255-A1 (CA)
Title: Feed-forward amplifier with expanded linearity
Inventor: FUKUCHI AKIO
IPC: H03F1/32
Filed: 1995-08-30
Abstract: The compensation range of feed-forward amplifiers is expanded.  The peak value of the input or output of an auxiliary amplifier 15 is detected with a peak power measuring instrument 24, and the characteristic of a distortion detecting loop 100 is controlled with a vector adjuster 3 and a control circuit 9 so as to minimize this peak value.  By controlling the characteristic of the distortion detecting loop by detecting the peak value, the range of linearity compensation is expanded compared with conventional control based on the average level.
Patent CA-2158112-A1 (CA)
Title: Edge Seal for Reciprocating Conveyor
Inventor: FOSTER RAYMOND KEITH
IPC: B65G21/20
Filed: 1995-09-12
Abstract: A  front  shield  extends  across  an  end  portion  of  a reciprocating floor conveyor above the conveyor slats.  Each slat has a front end that reciprocates longitudinally between first  and second positions  as  the slat reciprocates.   A multiplicity of bristles are carried by the shield and depend downwardly therefrom.  The lower ends of the bristles contact a top surface of the slats rearwardly of the first and second positions.   The bristles are bent by contact with the top surface to preload them into contact and maintain them in contact as the slats reciprocate.  This prevents particles of material and debris  from passing under  the shield.   The bristles are mounted on the shield by means of a carrier that is vertically adjustable relative to the shield to permit adjustment of the preload.   The bristles are provided in a plurality  of  rows  positioned  one  behind  another  in  a longitudinal direction, with each row extending across the conveyor substantially continuously across each slat.   The bristles have a sufficiently narrow cross section and are sufficiently close to each other to provide a substantially constant seal across contoured slats.