baber/WOPTO huggingface dataset:
Patent CA-2012989-C (CA)
Title: Constant angle conveyor belt cleaner
Inventor: SWINDERMAN ROBERT T
IPC: B65G45/12
Filed: 1990-03-23
Granted: 1993-05-25
Abstract: CONSTANT ANGLE CONVEYOR BELT CLEANER                Abstract of the Disclosure A conveyor belt cleaner for removing residue from the surface of a conveyor belt is disclosed. The conveyor belt cleaner is radially adjustable through connection with a rotatable support member positioned generally transverse to the direction of conveyor belt travel. The conveyor belt cleaner includes a scraping blade having a curvilinear scraping surface. One edge of the curvilinear scraping surface is in contact with the conveyor belt. The curvilinear scraping surface is configured in a way such that the cleaning angle formed between a first line, tangent to the curvilinear scraping surface and extending through a point where the scraping surface edge is in contact with the conveyor belt, and a second line, either tangent or parallel to the surface of the conveyor belt and extending through the same point where the scraping surface edge contacts the conveyor belt, will remain constant as the conveyor belt cleaner is radially adjusted to compensate for wear to the scraping blade.
Patent CA-2013501-C (CA)
Title: Stiffening arrangement for ducting for electrical conductors and the like and corresponding clamp
Inventor: NAVAZO JUAN MANUEL BENITO
IPC: H02G3/04
Filed: 1990-03-30
Granted: 1999-02-09
Abstract: A B S T R A C T            STIFFENING ARRANGEMENT FOR DUCTING FOR ELECTRICAL CONDUCTORS AND THE LIKE AND CORRESPONDING CLAMP      The arrangement is formed by stiffening clamps (6), each of which comprises two or more  parts (16,  20) between which there  are  transverse  gaps (21) separating aligned mutually inserted engaging members (24)  of both  parts; each  pair of adjacent parts  (16, 20)  are connected by lateral flaps (23 attached to each part across a weakened area (22).
Patent CA-2023439-C (CA)
Title: Heat transfer member
Inventor: OKADA RYOJI
IPC: H01L23/44
Filed: 1990-08-16
Granted: 1993-08-24
Abstract: Abstract:      A heat transfer member has a heat transfer unit mounted on a mounting sheet.   The heat transfer unit comprises a plurality of layers of wire mesh laminated and bonded together and to the mounting sheet.  The spaces between the wires of the mesh layers or the heat transfer unit permit liquid to to pass through the heat transfer unit and so conduct heat away.  A semiconductor element (IC chip) is mounted on the mounting sheet and to a base.  The resulting assembly is immersed in a liquid.  The planes of the mesh layers are preferably generally perpendicular to the mounting sheet and to the semiconductor element, and the material of the mounting sheet is chosen to have a thermal expansion coefficient between that of the semiconductor element and that of the heat transfer unit to reduce thermal stresses.   The wires of the mesh layers are preferably of copper, as this is inexpensive and provides satisfactory heat conduction.
Patent CA-2025938-C (CA)
Title: Cloning of the gene which codes for the pilinic subunit fim3 of bordetella pertussis
Inventor: CUZZONI ANNA
IPC: C07K14/235
Filed: 1990-09-21
Granted: 2001-05-29
Abstract: A cloned DNA fragment of Bordetella pertussis including the gene which codes for the pilinic subunit fim3, vectors which contain it and microorganisms transformed by the vectors.      The protein and peptides corresponding to at least one epitope of the gene which codes for the pilinic subunit fim3 are particularly useful for the development of acellular anti-pertussis vaccines.  In addition, a strain of Bordetella modified by a recombinant replication or genome-integration vector containing the cloned DNA fragment or the gene or a fraction thereof is particularly suitable for the development of a cellular anti-pertussis vaccine.
Patent CA-2028275-C (CA)
Title: Self-contained refrigeration unit
Inventor: ORGETTAS TONY
IPC: F25D19/02
Filed: 1990-10-23
Granted: 1996-07-16
Abstract: This invention provides a structure for a self-contained refrigeration unit, suitable for sealing an opening in a floor between a space of air to be cooled by the unit and a warm air space. The structure comprises a number of cover panels, trays, frames, supports, mounts and grill panels that interlock for fast assembly with few screws or other fasteners, forming an upper cooling chamber, a middle insulating substructure, and a lower compressor and condensor suspension substructure. The structure allows for instant installation by simply lowering it over an opening in the floor of a room or other space that is to be cooled.          The appropriately sized opening is sealed by a gasket around the periphery of the bottom of the insulating substructure.
Patent CA-2030732-C (CA)
Title: Thiophene derivatives; process for preparing the same and pharmaceutical compositions containing them
Inventor: WIERZBICKI MICHEL
IPC: A61K31/54
Filed: 1990-11-23
Granted: 2000-06-13
Abstract: 1. New thiophene compounds of the formula:   <IMAGE>   in which: X represents hydrogen, halogen, C1-C5alkyl or alkoxy or dialkylamino; n represents 1 or 2; a represents an integer of from 2 to 6; b represents 2 or 3; c represents 1 or 2, and is such that b+c=4; R1 and R2 represent hydrogen or (C1-C5)alkyl, or together with the carbon atom to which they are bonded form a hydrocarbon ring containing from 3 to 6 carbon atoms; and R and R' represent hydrogen or (C1-C5)alkyl, or together with the nitrogen atom to which they are bonded form a pentagonal or hexagonal heterocycle optionally containing an oxygen atom or a second nitrogen atom which may itself be substituted; and their physiologically tolerable salts. The products of the invention can be used therapeutically especially in the treatment of pathologies that are characterized by a loss of bone tissue. 2. As new intermediate products used in the synthesis of the compounds I above defined, the amides of the formula:    <IMAGE>  in which: X, n, a, b, c, R1, R2, R and R' are as above defined.
Patent CA-2032874-C (CA)
Title: Control of staged heating and cooling apparatus by a four-wire thermostat
Inventor: BROWN BERNARD T
IPC: F24F11/00
Filed: 1990-12-20
Granted: 1993-07-13
Abstract: ABSTRACT OF THE DISCLOSURE A heating and cooling apparatus wherein either or both the heating apparatus and cooling apparatus are two-stage is controlled by a thermostat through four connecting wires.  A signal on one of the wires enables the functions of controlling operation of the circulator fan and controlling second-stage operation of whichever apparatus is two-stage.
Patent CA-2040185-C (CA)
Title: A method of producing multilayer coatings
Inventor: GOLDNER WOLFGANG
IPC: B05D7/00
Filed: 1991-04-10
Granted: 2003-03-25
Abstract: A method of producing multilayer coatings on electrically non conductive substrates, resulting in good optical properties, good hardness and elasticity conditions and resistance to weathering.        In the method an aqueous base Lacquer is applied which contains up to 15 wt.% of organic solvent and an aqueous dispersion of A) 70 to 100 wt.% of a partly or completely acid-neutralised cationic poly(meth)acrylate, polyester, polyurethane and/or polyurethane-urea resin, having a number-average molecular weight (Mn) of 500 to 500000, an OH number of 0 to 450, an amine number of 20 to 200 and a glass transition temperature of -50 to +150°C, and B) 0 to 30 wt.% of an amine-formaldehyde condensation resin and/or a blocked polyisocyanate, in each case with at least two groups per molecule reactive with regard to the amino and/or OH groups and/or urethane and/or urea groups in component A, followed by addition of a clear lacquer based on solvent-containing and/or water-containing non-pigmented resins, or application of a clear-lacquer powder, and the base lacquer and clear lacquer are cured either separately or together at temperatures below 160°C.
Patent CA-2044998-C (CA)
Title: Modem pooling system
Inventor: YAMAZAKI YUICHI
IPC: H04M3/00
Filed: 1991-06-19
Granted: 1996-07-30
Abstract: In a key telephone  system in which a plurality of data terminals 371 ... 37n such as personal computers are connected to a key service unit 1 connected to a plurality of telephone lines 251 ... 25m, a modem 43 is pooled so as to be usable in common for the plural data terminals 371  ...  37n.   In response to a called party number  signal  from the  telephone  lines  (e.g.  251)  in dial-in service, the key service unit 1 selects a single data  terminal  designated  by  an  extension  telephone designation signal in dial-in service from among the data terminals 371 ... 37n, and closes a communication channel between the selected data terminal  (e.g.  371)  and the modem 43, so that a status equivalent to that where the selected data terminal 371 and the modem 43 are directly connected to each other can be established.  Thereafter, the key service unit 1 indicates a called party number signal  reception  to  the  modem  43,  and  the  modem  43 transmits a call to the selected data terminal 371.  When the selected data terminal 371 responds to the call from this  modem  43,  the  key service  unit  1  closes  a communication  channel  between  the  modem  43  and  the telephone line 251, so that a communication link between the selected data terminal 371 and the telephone line 251 can be established via the modem 43.  During the process until this communication link can be established, since the selected data terminal 371 and the modem 43 are in the status equivalent to direct coupling, the key service unit 1 is not concerned in the communications between the selected  data  terminal  371  and  thus  modem  43,  thus reducing the operational load applied to the key service unit 1.
Patent CA-2049101-C (CA)
Title: Variable gain amplifier automatic gain control method and device and their application to a tuner gain control, for a videocommunication network especially
Inventor: BUREAU CHRISTOPHE
IPC: H03G3/30
Filed: 1991-08-13
Granted: 1995-03-07
Abstract: This method, intended to hold the level of the output signal from this amplifier equal to a desired value, includes: 
 
  - a prior calibration phase, itself including the establishing of a relationship giving the variations in the signal for controlling the gain of the amplifier either as a function of the variations in the level of the input signal, with constant output level equal to the desired value, or as a function of the variations in the level of the output signal, with constant input signal level, 
  - an operational phase itself including the repetition of the following operations: 
 
  . application to the said amplifier of a specified value of the gain-control signal, 
  . measurement of the corresponding output level, 
  . detection of any possible deviation between the result of this measurement and the desired value, 
  . search, in the event of a detected deviation, for the value of the corresponding control signal, through the said relationship, and according to the mode of establishment of the latter, either at an input level whose deviation, with respect to the corresponding input level, through the said relationship, at the said specified value of the control signal, is opposed to the said detected deviation, or at an output level whose deviation, with respect to the desired value, is opposed to the said detected deviation, 
  . possible updating of the said specified value, according to whether a deviation has or has not been detected, the said specified value becoming, in the first case, equal to the value thus obtained through the said search. 
 
 
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Patent CA-2049109-C (CA)
Title: Self-positioning and self-locking door sweep and door assembly therewith
Inventor: BIES SYLVESTER W
IPC: E06B7/23
Filed: 1991-08-13
Granted: 1995-04-11
Abstract: A door has horizontally extending channels in each face adjacent its bottom edge which rest an integrally formed bottom seal and sweep member.   The seal member has a body portion with a horizontally disposed transverse wall extending along the bottom edge of the door, upstanding side walls extending  along  the  faces  of  the  door,  and generally horizontally and inwardly extending flanges at their upper ends which extend into the door channels.  The seal member also has a plurality of depending elements to seal the spacing between the door and threshold, and the channels and flanges have cooperating positioning elements thereon to secure the seal and sweep member in a fixed and predetermined position on the door.
Patent CA-2049264-C (CA)
Inventor: BAZIN ROLAND
IPC: G02B27/28
Filed: 1991-08-15
Granted: 2000-07-04
Abstract: L'appareil comprend une source de lumière (1) propre à envoyer un faisceau incident sur la surface à examiner (P) et des moyens comprenant un polariseur (2) et au moins un analyseur (Cs, Cd). Le polariseur (2) est disposé entre la source de lumière (1) et la surface (P), tandis que l'analyseur est disposé sur le trajet du faisceau réfléchi. Des moyens photodétecteurs (4, 5, 6, 7) sensibles à la lumière renvoyée sont en outre prévus. La source de lumière (1) est directive et le faisceau incident polarisé tombe selon un angle d'incidence (Ai) compris entre 0.degree. et 90.degree., limites exclues, la direction de polarisation du faisceau incident étant perpendiculaire au plan d'incidence. L'appareil est agencé pour mesurer la réflexion suivant au moine deux directions de réflexion différentes (Rs, Rd) ; des moyens (Cd, Cs ; 4, 5, 6, 7 ; E) sont prévus pour permettre d'effectuer, pour chaque direction de réflexion, la différence entre la réflexion avec des directions de polarisation et d'analyse parallèles et la réflexion avec des directions de polarisation perpendiculaires. Les différences ainsi obtenues constituent une appréciation de la brillance dite spéculaire et de la brillance dite diffuse.
Patent CA-2053346-C (CA)
Title: Microcapsule compositions for torical treatment
Inventor: JONES MALCOLM NORCLIFF
IPC: A61K31/05
Filed: 1991-10-11
Granted: 1998-12-01
Abstract: A  composition  for  topical  application  contains microcapsules, for example liposomes which enclose a benefit agent active at a target location accessible by topical application.   The microcapsules have means to bind to an organic surface at the target location; for example, they are provided with an antibody or antibody fragment specific for the target location or with a lectin.  The composition is preferably for administration of an oral benefit agent.
Patent CA-2055936-C (CA)
Title: Predistortion technique for communications systems
Inventor: SHAW DAVID GOODWIN
IPC: H04B14/04
Filed: 1991-11-21
Granted: 1996-02-06
Abstract: The problem of noise enhancement is eliminated in communications systems by predistorting the amplitude of the transmitted information signal in a manner which compensates for the amplitude distortion introduced in a portion ofthe communications channel. In the disclosed embodiments, the communications system includes two signal transceivers which communicate with one another through a communications channel. The communications channel includes two-wire subscriber loops adjacent to each signal transceiver with a four-wire transmission path disposed between the subscriber loops. Each transceiver transmits an information signal which, depending on the system noise characteristics, is predistorted to compensate for all or a portion of the amplitude distortion introduced in a subscriber loop adjacent to that signal transceiver. The predistortion necessary to provide such compensation is determined at each transceiver in response to received signals at that transceiver.
Patent CA-2056155-C (CA)
Title: Central vacuum system wall valve
Inventor: HOUSTON WILLIAM S
IPC: A47L9/24
Filed: 1991-11-25
Granted: 2000-02-08
Abstract: A central vacuum system wall valve is described which includes a valve door capable of being pivotally cammed to open position by its interaction with the roomside hose as this hose is moved to inserted position within the wall valve.
Patent CA-2056508-C (CA)
Title: Emptying system
Inventor: LARSEN HANS KURT
IPC: B65G17/00
Filed: 1991-11-28
Granted: 2004-04-06
Abstract: Emptying bowls are transported by an intermittently travelling endless conveyor having an upper run for transporting the bowls in an upright position and a lower run for transporting the bowls in an inverted position. A belt which travels intermittently in synchrony with the conveyor is positioned to contact and cover the open tops of the bowls for retaining contents of the bowls therein as the bowls are transported from an upright position on the upper run to an inverted position on the lower run. The belt is retracted at a position beneath the lower run when the conveyor is stationary to release the contents from the bowls.
Patent CA-2059307-C (CA)
Inventor: RAU ALLEN H
IPC: A61Q19/10
Filed: 1992-01-14
Granted: 2003-07-08
Abstract: A bathing preparation comprises a composition which, when dissolved in water, generates carbon dioxide, the composition being physically bound together as a tablet, with a colloidal material. The effervescence produced by dissolving the tablet improves dispersion of the colloidal material, and maintaining said colloidal material in dispersed form in the water for a longer period of time. The bathing preparation gives the advantages of carbon dioxide bathing, as well as an excellent treatment effect for skin inflammation.      An acid, carbonate salt, and a colloidal material such as colloidal oatmeal may be tableted to provide an effective, easily stored and handled product.
Patent CA-2062792-C (CA)
Title: Treatment of androgen-related diseases
Inventor: LABRIE FERNARD
IPC: A61K31/66
Filed: 1990-07-05
Granted: 2006-03-21
Abstract: A method of treatment of androgen-related diseases such as prostate cancer in susceptible male animals, including humans, comprises administering novel antiandrogens and novel sex steroid biosynthesis inhibitors as part of a combination therapy. Sex steroid biosynthesis inhibitors, especially those capable of inhibiting conversion of dehydroepiandrosterone (DHEA) or 4-androstenedione (.DELTA.4-dione) to natural sex steroids (and testosterone into dihydrotestosterone) in peripheral tissues, are used in combination with antiandrogens, usually after blockade of testicular hormonal secretions.      Antiestrogens can also be part of the combination therapy. Pharmaceutical compositions and two, three, four and five component kits are useful for such combination treatment.
Patent CA-2064623-C (CA)
Title: Tuning apparatus for television system and method of controlling such
Inventor: SONG HAN BOK
IPC: H04N5/50
Filed: 1992-04-01
Granted: 2000-12-05
Abstract: Tuning apparatus for a television system, comprising a rotary encoder having a slidable and rotatable channel changing mechanism, the rotary encoder outputting a plurality of signals with a phase difference with respect to one another, corresponding to channel change in accordance with the rotation of the channel changing mechanism, a microcomputer for calculating a channel number to be changed in accordance with the output signals from the rotary encoder and outputting channel receive data corresponding to the calculated channel number, and a tuner for receiving a television broadcasting signal of a channel corresponding to the channel receive data from the microcomputer. Also, according to the present invention, there is provided a method of controlling tuning in a television system, comprising the steps of: generating two signals with a phase difference with respect to each other, recognizing channel increment direction, channel decrement direction and generation of an error, according to states of the two signals, calculating a new channel number to be changed by the unit according to whither the recognized channel change direction is the channel increment or decrement direction, and providing the tuner with channel receive data corresponding to the calculated new channel number such that the tuner selects a new channel.
Patent CA-2070178-C (CA)
Title: Capacitive power supply
Inventor: METROKA MICHAEL P
IPC: H02J15/00
Filed: 1991-09-24
Granted: 1996-07-09
Abstract: A capacitive power supply for powering a portable electrical device, such as a radiotelephone.  The capacitive power supply is comprised of capacitors stacked vertically in a series connection of capacitive values capable of generating currents of levels great enough to power a radiotelephone for an extended period of time.
Patent CA-2070807-C (CA)
Title: Aqueous dispersions of cross-linked polymer microparticles
Inventor: HILLE HANS-DIETER
IPC: C09D167/00
Filed: 1990-12-04
Granted: 2001-02-27
Abstract: The invention relates to aqueous dispersions of cross-linked polymer microparticles, prepared in an aqueous medium from a polymer, optionally dissolved in an organic solvent, said polymer bearing at least two hydroxyl groups and comprising a number of ionic groups sufficient for the formation of a stable aqueous dispersion, as the component (A) and one further component (B) at an elevated temperature, characterized in that component (A) is a polyesterpolyol, a polyurethane or a polyacrylate having an acid value of from 5 to 168, and that component (B) is an aminoplast resin consisting of molecules containing at least two reactive groups consisting of hydroxyl and/or amino and/or ether groups, that the ratio by weight of component (A) to component (B) is between 30:70 and 95:5, and that the dispersion is stable and usable in water and/or an organic solvent or mixtures thereof. The invention further relates to a process for producing these dispersions, the use thereof and coating compositions containing said dispersions.
Patent CA-2076083-C (CA)
Title: Flow activated flowpath liner seal
Inventor: CARROLL MICHAEL DAVID
IPC: F01D11/00
Filed: 1992-08-13
Granted: 2001-12-18
Abstract: A stator vane liner assembly includes seal keys supported in slots in the ends of vane liner segments in an engine casing, Stationary vanes supported in the liner segments for directing an engine airflow are urged against the keys by the engine airflow gas loads. The seal keys engage the ends of adjacent vane liners for sealing, and prevent further motion of the vanes with respect to the liner segments due to the engine airflow gas loads. Secondary seal means can be slidably captured between the seal key and vane liner segment to prevent axial and radial leakage around the seal key. The liner assembly reduces leakage of engine airflow and helps to isolate the engine casing from the thermal effects of leakage of engine airflow.
Patent CA-2077317-C (CA)
Title: Absorbent article having a deformation resisting apparatus
Inventor: HOLTMAN DENNIS C
IPC: A61F13/15
Filed: 1992-09-01
Granted: 2003-11-25
Abstract: An absorbent article is provided having an apparatus attached to its garment facing side which allows the article to be attached to, and yet float on, an undergarment and which also serves to distribute the forces imposed on the article by the user's body over a large portion of the article and to transmit the forces to the undergarment, thereby increasing the geometric stability and shape maintenance of the article. The apparatus comprises a semi-rigid elastic frame formed from a thin plastic sheet and having two longitudinally extending members connected by at least one transversely extending member. Inwardly extending tabs for attaching the article to an undergarment are disposed at the mid-point of each longitudinally extending member. The longitudinally and transversely extending members may be pre-formed to give the article an arcuate shape. When applied to a winged article, the frame may also have outwardly extending tabs, disposed opposite each of the inwardly extending tabs, for properly positioning the wings.