baber/WOPTO huggingface dataset:
Patent CA-2148182-A1 (CA)
Title: Rotary Apparatus with Gap-Controlling Features and Related Method
Inventor: CHEUNG NELSON
IPC: F16C35/06
Filed: 1995-04-28
Abstract: A rotary apparatus, such as a pneumatic motor, is disclosed.  The rotary apparatus comprises an end plate having a race cavity, a main rotor with a stub shaft extending from one end, and a bearing, which includes an outer race seated in the race cavity and an inner race having a central bore.  The stub shaft is fitted into the central bore with a frictional fit.  In a preferred embodiment, the threaded shank of a screw is threaded into a threaded socket in the stub shaft so as to draw the stub shaft into the central bore with a washer bearing against the screw head, against the stub shaft, and against the inner race, whereby a controlled gap is provided between an outer surface of the main rotor and an inner surface of the end plate.  In an alternative embodiment, a threaded nut is threaded onto a threaded stud extending from the stub shaft so as to draw the stub shaft into the central bore with a washer bearing against the threaded nut, against the stub shaft, and against the inner race, whereby the controlled gap is provided.  Also, a related method for assembling the rotary apparatus is disclosed, in a preferred mode for assembling the preferred embodiment and in an alternative mode for assembling the alternative embodiment.
Patent CA-2150213-A1 (CA)
Inventor: LASKOWSKI JANUSZ S
IPC: B03D1/01
Filed: 1995-05-25
Abstract: A composition, adapted to be used in the flotation of ore fractions in aqueous suspension, consists essentially of: (a) water; (b) a hydrocarbon extender oil, preferably one having a low aromatics content; (c) a long chain aliphatic amine, such as a tallow-based amine, preferably one with an iodine value is less than about 20 cg/g; and (d) an  acid emulsifier.  This composition is prepared by the following successive steps:  (a) dissolution of the amine in the oil at an elevated temperature, (b) addition of the acid to the aqueous phase, (c) addition of the oil containing the amine to the aqueous phase, and (d) emulsification of the mixture using an appropriate shearing.
Patent CA-2151159-A1 (CA)
Inventor: DOSANI NAZIR
IPC: F24D19/10
Filed: 1995-06-07
Abstract: A thermal storage controller apparatus and methodology to establish the heat-loss of dwelling and thereby charge the thermal storage accordingly, and selecting between cooling and heating modes based on out-door temperature and thermostat setting, and maintaining a history of the environment to adjust the thermal storage capacity. The system includes the apparatus to monitor the efficiency of burner or electric heating element and control the speed of fan and the water pump in a hydronic heating system. The system further includes the apparatus to control slave thermal storage units based on the readings from the main thermal storage unit. The system also controls the position of the damper and a hot water tank.
Patent CA-2151222-A1 (CA)
Inventor: VAN DER TOL JOHANNES JACOBUS G
IPC: G02B6/14
Filed: 1995-06-07
Abstract: An optical waveguide circuit comprises a mode splitter and an input guide (1/4/6.1) and first and second output guides (6.2/2, 6.3/3), and a mode converter (5) incorporated in the input guide for converting a fraction of an optical signal (Ii), entering via the input waveguide, of a first propagation mode into a second propagation mode having mutually different order.  The mode converter (5) has a first waveguiding section (5.1) and a second waveguiding section (5.2), which adjoin each other via a single discontinuity (7).  The first and second sections (5.1 and 5.2) have propagation modalities, as a result of which, at the discontinuity, a coupling can take place between two propagation modes of different order, whereas the extent (x) of discontinuity determines the fraction of conversion for obtaining a desired splitting ratio inemitting signals (Io1, Io2).
Patent CA-2151404-A1 (CA)
Title: Air bag cover
Inventor: HOLLAND SHAWN
IPC: B60R21/2165
Filed: 1995-06-09
Abstract: A leather covered air bag enclosure is provided by forming a leather cover over a semi-rigid synthetic cap and providing lines of weakness in the leather cover conforming to lines of weakness in the synthetic cap. The lines of weakness may be formed of a plurality of rows of perforations so as to provide uniform performance and decorative appearance.
Patent CA-2151558-A1 (CA)
Title: Transition metal compound
Inventor: ERKER GERHARD
IPC: C08F4/6592
Filed: 1995-06-12
Abstract: The present invention relates to zwitterionic neutral transition metal compounds. The compounds are suitable as catalyst components for the polymerization of olefins.
Patent CA-2153422-A1 (CA)
Title: Dehydrogenation processes and equipment therefor
Inventor: HEYSE JOHN V
IPC: C07C401/00
Filed: 1994-01-04
Abstract: A method for dehydrogenation comprising: (i) providing a carburization and abrasion resistant protective layer to a steel portion of a dehydrogenation reactor system by (a) applying to the steel portion a metal plating, cladding or other coating of a metal effective for forming a carburization resistant protective layer to a thickness effective to isolate the steel portion from hydrocarbons during operation while avoiding any substantial liquid metal embrittlement, and (b) forming the protective layer, anchored to the steel portion through an intermediate carbide-rich bonding layer, (ii) catalytically dehydrogenating a dehydrogenatable hydrocarbon.
Patent CA-2153910-A1 (CA)
Title: Pulse shaping for airbag inflators
Inventor: MATERNA PETER
IPC: B60R21/26
Filed: 1995-07-14
Abstract: An inflator includes a vessel for a source of gas under pressure. A pulse shaping valving means in the form of  a  Belleville washer  or a  sliding valve actuated by a Belleville washer operates to shape the pulse of gas flowing out of the vessel. Other than for a brief initial moment the flowrate of gas has a slower value over time followed by an instantaneous more rapid value followed by a tapering off.
Patent CA-2154222-A1 (CA)
Inventor: HOFFMANN DONALD J
IPC: B32B7/06
Filed: 1995-07-19
Abstract: A label assembly includes a label with a removable multi-ply insert attached thereto by at least one fastening strip.  The label has an adhesive applied to one of its sides for attaching the label assembly to an article.  In two embodiments, the label assembly has a pair of perforated fastening strips for removably coupling the multi-ply insert to the label, while the label remains attached to the article.  In another embodiment, one edge of the top ply of the insert is secured to the label by a single fastening strip, while the other edge of the top ply of the insert extends outwardly from the remaining plies of the insert and is secured directly to the label.  In yet another embodiment, a single large fastening strip overlies substantially the entire top ply of the insert, and extends outwardly from three of the peripheral edges of the insert to engage the label for peelably securing the insert to the label by a pressure-sensitive adhesive. These label assemblies are manufactured in a continuous, on-line manner to produce a large roll of label assemblies.
Patent CA-2154427-A1 (CA)
Title: 4-amino-3-hydroxy-phthalimidine, and a process for the preparation thereof
Inventor: STOLTEFUBETA JUERGEN
IPC: C07B61/00
Filed: 1995-07-21
Abstract: The present invention relates to 4-amino-3-hyddroxy-phthalimidine, an important intermediate for the synthesis of 3-substituted 5-quinoline-carboxylic acid amides, and a process for the preparation thereof.
Patent CA-2155798-A1 (CA)
Title: Anneau de levage pour la prise laterale de charges
Inventor: LECOURT MARC
IPC: B66C1/66
Filed: 1995-08-10
Abstract: L'anneau de levage comprend un axe épaulé 1 sur le corps fileté 2 duquel est vissée et bloquée par collage  une  embase  3.  Une  traverse  4  tourillonne librement sur le corps 2 en étant maintenue entre la face interne 5 de l'embase 3 et le dessous 6 de la tête 7 de l'axe 1. Sur les tourillons latéraux 8,8'  de la traverse  4  tourillonnent  respectivement  les  branches 9,9'  d'une manille 10.  Le maintien de chaque branche 9,9'  sur le tourillon associé 8,8'  est assuré par un jonc  11  à  section  circulaire  qui  est  partiellement engagé dans une gorge à section semi-circulaire ménagée sur la périphérie du tourillon.            L'anneau de levage présente,  par sécurité, une structure non démontable.
Patent CA-2156813-A1 (CA)
Title: Method and apparatus for reproducing digital video signals
Inventor: OIKAWA YUKA
IPC: H04N5/92
Filed: 1995-08-23
Abstract: A method and an apparatus for reproducing digital video signals in which every one-frame data of the digital video signals are recorded on n tracks of a recording medium by an inclined azimuth recording system are varying speed reproduced by a rotary head having n heads with a varying playback speed such that A = a(t.cndot.m~1)/n, where a is a constant equal to 1 or 2 and m is a constant which is an integer other than 0. A picture corresponding to the digital video signals read out with the varying playback speed S is displayed on the screen. In this manner, non-continuous lines caused by temporal difference in neighboring macro-blocks during varying speed reproduction may be rendered less obtrusive for improving the picture quality of the varying speed reproduced picture.
Patent CA-2158133-A1 (CA)
Title: An apparatus for medical treatment
Inventor: WALLSTEN HANS I
IPC: A61F7/00
Filed: 1994-03-11
Abstract: An apparatus for effecting hyperthermia in a narrow body cavity or duct comprising: a disposable first part (1) comprising an elongate distal section (5) intended to be inserted into said cavity or duct comprising a centrally located, heat-releasing element (22), which is either surrounded by an elongate housing (24) or is itself constituted by an elongate housing, and a flexible and/or elastic enclosure (23) surrounding said housing in a liquid-tight manner, further including means for supplying energy to the heat-releasing element (22) and an axially operating first inlet (135) at the proximal part of the housing, an outlet (133) from the housing being arranged for the supply of heat-transmitting medium under pressure for expansion of the flexible enclosure (23) to accommodate and to exert a controlled pressure on surrounding walls of said cavity or duct, a second inlet (131) to the housing (24), and medium-actuating  means (13, 19) for said expansion of the flexible enclosure (23) and for internal circulation of said medium through the housing (24); and a permanent non-disposable second part (51) comprising drive means (55, 75) for said means (13, 19) for expansion and for internal circulation, and connecting means (43 59; 41, 81) for releasably interconnecting said drive means (55, 75) and said means (13, 19) for expansion and internal circulation.
Patent CA-2159623-A1 (CA)
Title: Biopsy forceps having a detachable proximal handle and distal jaws
Inventor: PALMER MATTHEW A
IPC: A61B17/00
Filed: 1994-04-04
Abstract: An endoscopic biopsy forceps (10) has a detachable proximal handle portion (12) and a distal portion (14) which includes a pair of jaws (38, 40) mounted at the distal end of a flexible conduit. At least one pull wire extends through the conduit (32) and is coupled to the jaws so that movement of the pull wire(s) (42, 44) through the conduit causes the jaws (38, 40) to open and close. The proximal end of the pull wire(s) is provided with a mating tip (50) and the proximal end of the conduit is provided with a mating sleeve (46). The handle portion includes a shaft (16) and a spool (26). The conduit (32) is detachably attached to the shaft (16), while the pull wire(s) (42, 44) is detachably attached to the spool (26). Attachment is effected by spring biased coupling devices (24, 30) which engage the mating tip (50) of the pull wire(s) and the mating sleeve (46) of the conduit.
Patent CA-2159681-A1 (CA)
Title: Process for non permanent deformation of human ceratinous fibers
Inventor: DUPUIS CHRISTINE
IPC: A61Q5/04
Filed: 1995-10-02
Abstract: Process for non-permanent setting of human hair comprises (i) applying a compsn. contg. at least one protein or proteinaceous deriv., maintaining the fibres under mechanical tension, e.g. in curlers, rollers, etc., and contacting with a gas contg. steam at a temp. of at least 75 degrees C, (ii) cooling the treated fibres and (iii) releasing the mechanical tension applied to the fibres.
Patent CA-2163654-A1 (CA)
Inventor: KOCZAB JEAN-PIERRE
IPC: D04H1/593
Filed: 1994-05-24
Abstract: PCT No. PCT/FR94/00607 Sec. 371 Date Nov. 22, 1995 Sec. 102(e) Date Nov. 22, 1995 PCT Filed May 24, 1994 PCT Pub. No. WO94/28222 PCT Pub. Date Dec. 8, 1994Composite non-woven material through which liquid can pass at a high speed and having an excellent resistance to rewetting and fluffing. The material comprises at least one first layer (2) of combed-type fibres and a second layer (3) of combed-type fibres, the fibres of the of the first layer having a denier greater than that of the fibres of the second layer, the layers being joined to one another by needling. Appplication to absorbent sanitary articles.
Patent CA-2163896-A1 (CA)
Title: Process of preparing solutions of alkali peroxide and percarbonate
Inventor: HILLRICHS EILHARD
IPC: C25B1/28
Filed: 1994-05-10
Abstract: A process is described in which an aqueous alkaline solution of peroxide or percarbonate is prepared in an electrochemical cell, which comprises a porous oxygen diffusion cathode and a depolarized metal anode or hydrogen diffusion anode. In that process the cell is operated at a low external cell voltage, an electrolyte which contains alkali hydroxide and/or alkali carbonate is passed in said cell through the chamber disposed between the oxygen diffusion cathode and the anode, alkali peroxide and/or alkali percarbonate is formed by a reduction of oxygen at the cathode, and the H2O2/alkali molar ration is less than 4.
Patent CA-2165721-A1 (CA)
Title: Novel aspartyldipeptide amide derivatives and sweetener
Inventor: TAKEMOTO TADASHI
IPC: A23L27/30
Filed: 1995-12-20
Abstract: The  invention  is  concerned  with  novel aspartyldipeptide amide  derivatives  having  the general formula:                     L-Asp-X-NH-C*HR1R2         (I) wherein X is a D- or DL-.alpha.-amino acid residue selec-ted from the group consisting of D-alanine,  D-.alpha.-aminobutyric acid, D-norvaline,  D-valine,  D-norleu-cine, D-leucine, D-isoleucine,  D-alloisoleucine,  D-t-leucine,  D-serine,  D-O-methylserine,  D-threonine, D-O-methylthreonine,    D-allothreonine,      D-O-methylallothreonine,   D-phenyl   glycine,   D-furyl glycine and DL-furyl glycine,  or X is a cyclic or non-cyclic  .alpha.,.alpha.-dialkylamino acid residue having 3 to 6 carbon atoms;   R1  is a linear or branched alkyl group having 1 to 6 carbon atoms or an alkoxymethyl group having 2 to 7 carbon atoms in the alkoxy por-tion; R2 is a phenyl group having in its 2-, 3- or 4-position  substituent  selected  from  the  group consisting of  F,  Cl,  Br,  I,  a  hydroxy  group,  a linear or branched alkoxy group having 1 to 6 carbon atoms,  a  cyano  group,  a  nitro  group,  an  acetyl group, an amino group and acetylamino group, or R2 is   a  phenyl   group   having   a  methylenedioxy, trimethylene or tetramethylene group in its 2,3- or 3,4-position or  R2 is a  2-, 3- or 4-pyridyl group, a 2- or 3-furyl group or a 2- or 3-thienyl group; with the proviso that the configuration of C* is  (S) or (RS) when R1 is a linear or branched alkyl group, and is (R),  (S) or (RS) when R1 is an alkoxymethyl group, and L-Asp and X are .alpha.-bonded.  The compounds of formula  (I)  and their  physiologically  acceptable salts  have  excellent  stability  and  sweet  taste quality.
Patent CA-2166261-A1 (CA)
Title: Suction canister apparatus and method
Inventor: HAND JOSEPH M
IPC: A61M1/00
Filed: 1995-12-28
Abstract: A method of removing body fluids from a patient and disposing of the body fluids, the method comprising the steps of (a) providing a container including a bottom wall having therein a drain,  (b) providing a drainage device for automatically opening the drain and draining the contents of the container,  (c) collecting body fluids in the container,  (d) placing the container on the drainage device, and (e) operating the drainage device so that the drainage device opens the drain and drains the contents of the container.
Patent CA-2167387-A1 (CA)
Inventor: HINSHAW JERALD C
IPC: C06D5/06
Filed: 1994-08-02
Abstract: A sodium-azide-free gas-generating composition includes an oxidizable inorganic fuel, such as a metal, and an oxidizing agent containing oxygen and a metal. The fuel and the oxidizing agent are selected such that water vapor is produced upon reaction between the inorganic fuel and the oxidizing agent. Although a number of inorganic fuels can be employed, a suitable fuel can be a transition metal another element such as silicon, boron, aluminium, and intermettalic compound, hydrides of these metals and mixtures thereof. Suitable oxidizing agents are selected from basic metal carbonate and basic metal nitrates. The fuel and oxidizing agent are selected such that substantially nontoxic gases are produced such as mixtures of water vapor and either carbon dioxide or nitrogen.
Patent CA-2172023-A1 (CA)
Inventor: LIN LIZ
IPC: A63B55/60
Filed: 1996-03-18
Abstract: The  present  invention relates to a  golf  trolley which mainly comprises an upper plate,  a lower plate, a main  tube,  and two wheel legs associated with  wheels: the  upper  plate and the lower plate are fitted to  the main  tube  to hold golf clubs and  are  removable;  the wheel legs are pivotally associated with a lower holding block  conneted to a lower portron of the main tube  and are operationally associated with a stopping bar and two leg  proppers that the golf trolley can be shifted to  a pulled, or propped, or shouldered, position, depending on need.
Patent CA-2172454-A1 (CA)
Inventor: STRASSEL ALBERT
IPC: B32B9/00
Filed: 1996-03-22
Abstract: A continuous complex structure comprises at least 3 lays,consisting of (a) polyvinylidene fluoride (PVDF), (b) PVDF rendered opaque to UV and visible radiation, and (c) a compsn. allowing of adhesion of PVDF to a non-compatible thermoplastic polymer.
Patent CA-2173149-A1 (CA)
Title: Agglutination plate having concave wells
Inventor: SCHRENK W JUERGEN
IPC: B01L3/00
Filed: 1994-10-17
Abstract: A plate (10) for use in agglutination assays having a plurality of concave-shaped wells (18) interpersed among a planar surface (12). Surrounding the planar surface (12) is a trough (14) which serves to collect samples which may have spilled out of the wells (18). The concave-shaped wells (18) are provided with opaque and low glare or matte finishes which improve the skilled and unskilled reader's ability to distinguish degrees of agglutination assay response. The diameter and depth ratio of the wells (18) characterizes the dimensions of the wells (18) which best provide distinction of agglutination responses.
Patent CA-2173308-A1 (CA)
Title: Self-leveling silicone polish
Inventor: BAHR BRADLEY CHARLES
IPC: C09D5/00
Filed: 1996-04-02
Abstract: Hard surfaces are polished by applying an abrasive free, preferably clear, composition formed from an aqueous phase and a silicone phase.  The aqueous phase contains water and a water soluble hydrophilic organic solvent.  The silicone phase contains a volatile methyl siloxane, a siloxane polyether and an organosilicon resin.
Patent CA-2174658-A1 (CA)
Inventor: ZIMMERMAN HARVEY LEE
IPC: A61K8/00
Filed: 1994-10-20
Abstract: A pharmaceutical or veterinary composition comprising a cream base which base comprises a mineral oil; one or more fatty alcohols or fatty esters; a polyoxyethylene ether or ester surfactant; and water.
Patent CA-2176489-A1 (CA)
Title: Envelope-Stuffing Device
Inventor: ECKL ROBERT
IPC: B43M3/04
Filed: 1994-10-26
Abstract: An envelope-stuffing machine using rotating elements for opening the envelopes and for grasping the envelope flaps. The opening and grasping of the envelopes is performed in one conveying plane, and the introduction of the envelope contents is performed in a conveying plane arranged offset in relation thereto at another level. A link chain with a plurality of spreading members is provided between the planes.  The link chain is movable at right angles to the conveying planes and keeps the envelopes picked up by the spreading members ready at another point for the introduction of the envelope contents and discharges them.
Patent CA-2178815-A1 (CA)
Title: Device and method for multiplexing signal
Inventor: NARAHASHI SHOICHI
IPC: H04B1/04
Filed: 1995-12-04
Abstract: The frequencies of input modulated signals fed via ports 11l to 11n are converted by frequency converting means 12l to 12n to different bands, and the converted outputs are applied to power combining means 16 via variable attenuators 21l to 21n, respectively, and provided therefrom as a multiplexed output. A portion of the multiplexed output is branched and the envelope power level is detected by level detecting means 23. Control means 24 inputs thereinto the detected level L and, if the level L exceeds a level Ls that is k times the average power of the multiplexed signal (k being about 4 to 5), controls the attenuators 21l to 21n to attenuate the average power of the modulated signal by k/n-fold or less for about 1/.DELTA.F0 (sec) (.DELTA.F0 [Hz] being the frequency bandwidth of the multiplexed signal).
Patent CA-2180005-A1 (CA)
Title: Scrap sorting system
Inventor: KUMAR PRADEEP
IPC: G06V10/40
Filed: 1994-12-23
Abstract: A system for sorting scrap particles based upon color includes an opaque belt conveyor (22) for conveying randomly shaped and orientation scrap particles through a viewing area (24) in which a series of images are detected by an image detector (26). A position sensor (30) determines the linear advancement of the scrap particles and transmits signals to an image detector controller (32), which periodically emits a control signal to an image processor (34) to acquire an image of the viewing area (126) and to divide the image into a matrix of cells (128) whether the pixels satisfy a predetermined criteria, and establishing a discriminator signal for each cell.  A separator controller (36) which receives the discriminator signals selectively activates the appropriate portion of a separator (38) to separate desired from undesired particles.  The system also includes a wetting device (41) upstream from the viewing area (24) to spray liquid onto the surface of the conveyor (22) to create a darkened, more uniform surface as the background.
Patent CA-2183746-A1 (CA)
Inventor: SINGH NIKHILESH NIHALA
IPC: A61K9/08
Filed: 1995-02-23
Abstract: Disclosed are oral pharmaceutical vehicle compositions comprising from about 0.05 to about 20 % of a water-soluble mucoadhesive.
Patent CA-2185453-A1 (CA)
Inventor: ZHANG SURU
IPC: C09D167/00
Filed: 1996-01-24
Abstract: L'invention concerne un véhicule polymère ainsi qu'une composition de revêtement formulée présentant une teneur élevée en solides et utilisant de l'eau pour obtenir des viscosités permettant l'application desdits véhicules polymères et compositions de revêtement formulées à l'aide d'un équipement d'application commercial existant. Les véhicules polymères et revêtements formulés comprennent au moins un diol d'oligoester, un durcisseur à base de carbamate et dans certains cas un agent de réticulation supplémentaire. La combinaisin du diol d'oligoester avec le durcisseur à base de carbamate permet d'obtenir une composition de revêtement à faible viscosité présentant une teneur en composés organiques volatils faible à nulle, ainsi qu'un liant de revêtement présentant des propriétés de film extrêment bonnes.