baber/WOPTO huggingface dataset:
Patent CA-2061512-A1 (CA)
Title: Sealing of pipes
Inventor: STONE DAVID
IPC: B05D1/02
Filed: 1992-02-19
Abstract: ABSTRACT OF THE DISCLOSURE                  SEALING OF PIPES      To seal a pipe, a delivery tube is inserted in the pipe, preferably through a side wall in the pipe and a spraying means is inserted through the delivery tube  into  the  pipe,  using  a  flexible  rod.    The delivery tube is more rigid than the rod so that the delivery tube prevents twisting of the rod in the pipe.  The spraying means may then be moved along the pipe, by the rod during the spraying of the sealant and the spraying means may be adjustable, so that the sealant is sprayed e.g.  in a preferred direction, typically upwards in the pipe. Alternatively the rod with attached directional spray means, may be inserted directly into the pipe.
Patent CA-2064321-A1 (CA)
Title: Belt grinding assembly having pivoting means
Inventor: LUEDEKE ARTHUR P
IPC: B24B21/00
Filed: 1992-03-27
Abstract: ABSTRACT OF THE DISCLOSURE         The belt grinding assembly according to the present  invention  includes  (1)  a  frame (2)  a  belt grinding mechanism comprising a continuous abrasive belt having  a backing with  front and rear  surfaces,  and abrasive granules attached along the front surface; a mechanism  for driving the  abrasive belt  in a  first direction along a path relative to the frame;  (3)  a backup having a support surface for the belt along the path; which support surface is straight in the first direction and has a uniform shape corresponding to the shape of the edge surface in a direction at a right angle to the first direction; (4) a wheel having a periphery, a wheel axis at a right angle to the first direction; a mechanism mounting the wheel on the frame for rotation about the wheel axis; drive mechanism for rotating the periphery of the wheel past a loading station relative to the frame, and then past the support surface at a uniform rate of speed and in a first rotational direction; and (5)  a plurality of pivoting object holder assemblies including an engagement mechanism for releasably engaging and holding an object along the radially outward side.
Patent CA-2065258-A1 (CA)
Title: Blood-clot-dissolving proteins, and their preparation from the leech hirudo medicinalis
Inventor: MEYER THOMAS
IPC: C12N9/48
Filed: 1990-11-22
Abstract: O.Z. 0050/41274 Novel proteins and their preparation Abstract of the disclosure A protein which  contains  sequences  1  to  13 detailed  in  the  sequence  listing  and  cleaves glutamyl)-lysine linkages, and its muteins and natural variants with a comparable action.
Patent CA-2065561-A1 (CA)
Inventor: HIPPLE JAMES H
IPC: F23J3/00
Filed: 1992-04-08
Abstract: A sootblower hub having packing for sealing between a sootblower feed tube and lance tube.  A packing gland is used which provides a live loading feature for exerting an axial force  on the  packing.   The packing  gland is  comprised  of elements which can be separately assembled in a manner which maintains a preload on the packing loading spring, even when it is disassembled from the  sootblowing mechanism.    Once the packing gland is installed into a sootblower carriage a preload maintaining member can be actuated to enable the axial loading force created by the spring to be transferred to the packing.
Patent CA-2068662-A1 (CA)
Inventor: GOULDING PETER
IPC: G01N33/00
Filed: 1992-05-14
Abstract: A method and apparatus for measuring a para-meter of a test gas in isolation from gas pressure fluctuations. A pump draws the test gas through an air capacitor into a sensor, storing the gas in the capaci-tor. A valve closes a fluid flow path which admits the test gas to the air capacitor and opens a fluid flow path between the air capacitor arid a constant pressure alter-nate gas source, isolating the air capacitor and the sensor from pressure fluctuations in the test gas. The air capacitor prevents any mixing of the test gas with the alternate gas until measurement of the unknown parameter has been accomplished.
Patent CA-2073319-A1 (CA)
Title: Method and arrangment for data transmission
Inventor: ZIJDERHAND FRANS
IPC: H04L12/56
Filed: 1992-07-07
Abstract: PHN 13.749                                       25.06.1992 ABSTRACT: Method and arrangement for data transmission.   In a method of data transmission from a plurality of sub-stations to a main station over a common channel which is subdivided into time slots whose length and synchronization are determined by a corresponding time slot distribution of a data transmission signal sent out by the main station, in which each sub-station has a predetermined probability p of transmitting a data packet in each time slot, thethroughput of the communication channel is improved in that if the main station has correctly received in a specific time slot (n) a data packet coming from a specific subst-ation, always a next time slot (n+j) will be reserved to be exclusively used by that specific sub-station. Fig. 1
Patent CA-2073655-A1 (CA)
Title: Walk behind fork lift truck
Inventor: NEAGLE PAUL W
IPC: B66F9/075
Filed: 1992-07-10
Abstract: ABSTRACT OF THE DISCLOSURE                  WALK BEHIND FORK LIFT TRUCK A fork lift truck takes less storage space when its support wheels are raised from operative position to storage position parallel with the mast of the truck.   To further minimize the space taken up by the stored truck, the rotation of the wheels upward to inoperative position uses a camming surface which also telescopingly cams the wheel and support arms inward toward the mast.
Patent CA-2074287-A1 (CA)
Title: Switch mechanism with two fulcrums
Inventor: COOK DAVID L
IPC: H01H71/62
Filed: 1992-07-21
Abstract: A switch mechanism opens a contact set in the event of an undervoltage condition. The mechanism involves a lever assembly biased by a spring for pivoting about one or other of two fulcrums to open or close the contacts respectively. The undervoltage causes a solenoid to release a plunger which initiates operation about a fixed fulcrum. A reset device is used manually to initiate operation about a movable fulcrum, provided that the voltage is sufficient. An arm is deflected by the plunger to shift the movable fulcrum and also acts to restore the plunger daring reset. The switch mechanism may be incorporated in a residual current device which provides the undervoltage condition on detecting an electrical fault.
Patent CA-2074912-A1 (CA)
Title: Compatible polyester blends
Inventor: COLBY RALPH H
IPC: C08L71/00
Filed: 1992-07-29
Abstract: COMPATIBLE POLYESTER BLENDS                ABSTRACT OF THE DISCLOSURE           There is disclosed a blend of certain polyesters and polymers that are miscible with polystyrene, such as polyphenylene oxide.  The blend is characterized by the presence of a compatibilizing amount of a copolymer having repeating units derived from an aromatic vinyl compound monomer and a vinylphenol monomer.  The polyester is thermoplastic and is characterized in that the diacid component of the polyester includes aromatic groups and the diol component comprises at least about 20 percent by weight of a noncyclic, aliphatic diol.
Patent CA-2075257-A1 (CA)
Inventor: SIMANIS JOSEPH F
IPC: H04M1/725
Filed: 1992-08-04
Abstract: The wireless telephone of the present invention is comprised of a base unit, coupled to a land-line telephone system, and a remote unit that communicates with the base unit over radio frequencies. The remote unit has scrambling circuits (207 and 216) for encrypting voice signals transmitted to the base unit and decrypting voice signals received from the base unit. The base unit also has scrambling circuits (107 and 116) for encrypting voice signals transmitted the remote unit and decrypting voice signals received from the remote unit. The wireless telephone uses a keypad (222) for initiating a demonstration mode that allows both parties to the conversation to hear the scrambled voice signal.
Patent CA-2075736-A1 (CA)
Inventor: DRUMMOND MICHAEL T
IPC: B31C3/04
Filed: 1992-08-11
Abstract: The invention provides spirally wound easy-open containers which comprise a spirally wound body wall having overlapped edges and which have capabilities and benefits associated with conventional butt jointed containers. The overlapped edges of the body wall define an easy-open seam extending helically between the ends of the container. A temporary adhesive between the overlapped edges of the body wall releasably adheres the overlapped edges of the body wall together and allows for opening of the container along the helical, easy-open seam. The easy-open containers provided according to the invention can be readily manufactured with only slight modifications to the conventional manufacturing process. Nevertheless, the easy-open containers of the invention can provide for material savings in container label construction and can allow for vacuum packaging of food products such as dough.
Patent CA-2077962-A1 (CA)
Inventor: PARK OKMI
IPC: C12R1/65
Filed: 1992-09-10
Abstract: According to the method for preparing chitosan of the present invention,  chitosan is prepared by inoculating a filamentous fungi belonging to the family Mucoraceae into a culture medium for pre-cultivation containing yeast extract, malt extract, peptone, glucose and magnesium sulfate to perform pre-cultivation and then inoculating the pre-culture into a culture medium for main-cultivation having a composition essentially identical to that of the medium for pre-cultivation to perform the main-cultivation. Particularly preferred filamentous fungi belonging to the family Mucoraceae is Absidia coerulea. According to the method for preparing chitosan through, the cultivation of microorganisms, chitosan exhibiting uniform quality can efficiently be produced and the method does not adversely affect the circumferential environment.
Patent CA-2078784-A1 (CA)
Title: Fiber optic refractive index sensor using metal cladding
Inventor: KLAINER STANLEY M
IPC: G01N21/41
Filed: 1991-03-27
Abstract: A refractive index FOCS has a fiber optic core (12) with a partly light transmissive thin metal film clad (16) of an effective thickness and light transmissivity so that transmission through the core is strongly affected by the refractive index of a surrounding liquid or vapor medium (24). The metal clad (16) and surrounding medium (24) produce a localized refractive index at the core interface which modulates light transmission through the core as a function of the medium refractive index. The clad (16) is made of platinum, or also of gold, rhodium, palladium, nickel, iron, cobalt, ruthenium, iridium, osmium, zinc, copper, silver, chromium, molybdenum, tungsten, vanadium, niobium, tantalum, titanium, zirconium, or hafnium. The clad (16) is also made of oxides of these metals, or metal compounds or alloys. With a fluorescent tip (14), the changes in the fluorescent signal are a measure of the medium refractive index. With a reflective tip (18), the changes in the reflected signal are measured. In a linear configuration, source and detector are placed at opposite ends of the fiber and changes in the transmitted signal are measured as a function of refractive index. Multiple measurements with multiple clads of different specificity can be made. The multiple clads can be on a single fiber or on separate fibers.
Patent CA-2080208-A1 (CA)
Title: Process for the preparation of 2-nitro-5-fluoro- or -5-chlorophenol
Inventor: PFIRMANN RALF
IPC: C07C205/26
Filed: 1992-10-08
Abstract: Abstract of the Disclosure:            Process for the preparation of 2-nitro-5-fluoro- or -5-chlorophenol The  present  invention relates  to  a process  for  the preparation of isomerically pure 2-nitro-5-fluoro- or -5-chlorophenol,  by reacting 2,4-difluoronitrobenzene  or 2,4-dichloronitrobenzene with aqueous alkali metal or alkaline earth metal hydroxide solution or suspension in the  absence  of  organic  solvents  or other  solubility promoting substances at temperatures from about 20°C to about 190°C, adjusting the pH of the reaction mixture to about  1  to about  6  by the  addition of  acid,  steam distilling the resultant product and isolating it from the distillate after cooling.
Patent CA-2081946-A1 (CA)
Title: Three-layer nonwoven laminiferous structure
Inventor: PERKINS CHERYL A
IPC: B32B5/16
Filed: 1992-11-02
Abstract: Abstract of the Disclosure A nonwoven laminiferous structure is provided which has three melt-extruded nonwoven layers, each of which includes at least a portion of a nonwoven web.  The first nonwoven web is adjacent to one surface of the second nonwoven web and the third nonwoven web is adjacent to the other surface of the second nonwoven web.   The first and third nonwoven webs consist of continuous and randomly deposited filaments having an average filament diameter in excess of about 7 micrometers. The second nonwoven web consists of substantially continuous and randomly deposited microfibers having an average diameter of from about 0.1 to about 10 micrometers.  The microfibers of the second nonwoven web are prepared from a mixture of an additive and a second thermoplastic polymer, which additive imparts alcohol repellency to the surfaces of the microfibers. The three nonwoven layers can be prepared independently from polyolefins, polyesters, polyetheresters, and polyamides. The boundary between any two adjacent melt-extruded nonwoven layers is distinct in that fibers at or near the surfaces of such adjacent layers are not significantly intermingled.  At least one of the first and third nonwoven webs has been treated independently by topical application of at least one agent to alter or enhance the surface characteristics of the filaments in the web, the topical treatment being carried out in a manner such that each topically applied agent is substan-tially  restricted  to  the  web  to  which  it  was  applied. Finally, the laminiferous structure has been pattern bonded by the application of heat and pressure.
Patent CA-2084196-A1 (CA)
Title: Conversion of methane and carbon dioxide using microwave radiation
Inventor: MURPHY WILLIAM J
IPC: C01B3/34
Filed: 1991-06-28
Abstract: A mixture of methane and carbon dioxide can be effectively converted to carbon monoxide and hydrogen by subjecting the mixture to microwave radiation in the presence of at least one plasma initiator that is capable of initiating an electric discharge in an electromagnetic field.
Patent CA-2086055-A1 (CA)
Title: Landscape levelling and raking apparatus
Inventor: KINCSES FRANK
IPC: A01B33/02
Filed: 1992-12-22
Abstract: A landscape levelling and raking apparatus has a frame, a handle protruding upwardly from the frame, a rake pivotally coupled to the frame to protrude downwardly and rearwardly therefrom, a screed fixed to the frame forwardly of the rake, a plurality of tiller blades rotatably mounted along a forward,  open end of the frame,  a motor which rotatably drives the tiller blades, and a mechanism for raising or lowering the tiller blades relative to the frame.   As rotating blades till the soil and propel the apparatus forward.  The frame is open along its front edge. This allows soil to accumulate within the frame as the apparatus moves forward.  The soil gradually escapes from the frame by passing beneath a screed fixed along the lower rear edge of the frame.  The screed levels the soil before it is raked by the tines of the rake.
Patent CA-2088263-A1 (CA)
Title: Method for production of implant
Inventor: AOKI HIDEKI
IPC: A61C8/00
Filed: 1992-06-16
Abstract: An implant is produced by coating a core material with a calcium phosphate type compound and converting the coating layer into an apatite type ceramic layer by a hydrothermal treatment.
Patent CA-2088810-A1 (CA)
Inventor: VIOLANTE VITTORIO
IPC: B01J19/24
Filed: 1993-02-04
Abstract: A ceramic catalytic membrane reactor for the separation of hydrogen and/or isotopes thereof from fluid, in particular gaseous flows, comprising a tubular support (1) made of a porous ceramic material, which is coated with layers (4) of a gas-tight material at both ends thereof, and with a thin layer or film (2) of a metal or metal alloy having catalytic activity and selective permeability to hydrogen and isotopes thereof, such as Pd or Pd/Ag, on a central portion thereof, where the reaction takes place, said central portion being provided with heatingmeans (3). The seals (6) of the membrane reactor are located on the two gas-tight ends of the tubular support (1).
Patent CA-2092165-A1 (CA)
Title: Chip carrier for optical device
Inventor: NAGANO TUYOSI
IPC: H01L31/0203
Filed: 1993-03-22
Abstract: A chip carrier for an optical device according to the present invention has a carrier body of insulating material, an external electrode, a glass cover fixed on one end of the carrier body, and a metal cover fixed on the other end of the carrier body. The optical device is connected at an electrode thereof to an inside end of the external electrode by a flip-chip bonding.
Patent CA-2093310-A1 (CA)
Title: Product inspection method and apparatus
Inventor: VANNELLI ANTHONY
IPC: G06V10/56
Filed: 1993-04-02
Abstract: ABSTRACT                   PRODUCT INSPECTION METHOD AND APPARATUS   Described herein is an automated quality inspection station for evaluating color component characteristics of a product. The inspection station includes a color video camera, for capturing video frames of product images, anda control system for analyzing those video frames. The control system is programmed to perform a reference calibration and then a sample calibration. During the reference calibration an operator identifies component type areas from a displayed reference frame of a typical product assortment. The control system calculates color value density curves from the identified areas. The density curves are then calibrated to each other by scaling each of the density curves by a scaling factor. The scaling factors can either be provided directly by the operator or default values can be calculated by the control system. Default scaling factor values are calculated by summing the product of the correspondingdensity curve and an overall histogram of a sample video frame over a range of color values. Individual pixels are classified as one of a plurality of component types according to the highest calibrated density curve at the pixels'color value.
Patent CA-2094056-A1 (CA)
Title: Storage system
Inventor: HAGON JEFFREY R
IPC: A47B57/06
Filed: 1993-04-15
Abstract: ABSTRACT   A storage system includes an enclosure with a fixed shelf and a storage compartment connected to the enclosure by a parallelogram linkage. The parallelogram linkage allows the storage compartment to be displaced from a relatively inaccessible, raised, storage position to a more easily accessed access position. The system provides effective use of space within a storage enclosure which would otherwise be inconvenient to use.
Patent CA-2098291-A1 (CA)
Title: 1-(4-acylaminophenyl)-7,8-methylenedioxy-5h-2,3-benzo- diazepine derivatives and acid addition salts thereof, pharmaceutical compositions containing them and process for preparingsame
Inventor: ANDRASI FERENC
IPC: A61P25/26
Filed: 1991-12-20
Abstract: The invention relates to novel compounds of general formula (I), wherein R stands for hydrogen or a C1-4 alkyl group optionally substituted by a carboxyl or C2-5 alkoxycarbonyl group; and R1 means an aliphatic C1-6 acyl, benzoyl or phenylacetyl group, and the stereoisomers as well as acid-addition salts of these compounds. The invention also relates to pharmaceutical compositions containing the above compounds as well as to a process for the preparation of the novel compounds of general formula (I). The compounds of the invention possess central nervous system effects, more particularly antidepressive and antiparkinsonian action. They are non-mutagenic in the Ames test. Thus, they can be useful for the treatment of depressive illnesses and parkinsonism.
Patent CA-2098709-A1 (CA)
Title: Device for detecting driving data with temporal resolution matching the signal form of analog measured signals
Inventor: GRULER MARTIN
IPC: G01D9/00
Filed: 1992-11-04
Abstract: For the high resolution recording of driving data, especially at the beginning of accident situations, it is proposed to use a memory control which continually scans the analog measured signals (1) detected by the sensory measuring device of a data sensing device suitable for use in vehicles, following the digitalization of the signals; the memory control scans these signals according to two different frequencies (f1 and f2), and stores them respectively in two annular memory units, arranged in parallel and cycled for f1 and f2 respectively. As soon as an accident event is recognized, the slower-cycled annular memory unit (22) stops after a predetermined follow-on time (9), while simultaneously the recording of data by the rapidly cycled annular memory unit (23) is immediately interrupted and shifts to a further semiconductor memory unit (26) to continue the recording of high-frequency data for the duration of the accident phase.
Patent CA-2101588-A1 (CA)
Title: Detection
Inventor: ABUKNESHA RAMADAN A
IPC: G01N33/543
Filed: 1993-07-29
Abstract: Abstract Detection The present invention relates to the detection of an analyte species.     The invention provides, inter alia, apparatus suitable for use in the immunological detection of an analyte species in a gaseous medium, or the detection of a particulate species in a gaseous medium, which apparatus includes means for applying a sample containing analyte species to a carrier means (12) the carrier means being such that, in operation, the sample may be applied to a portion thereof and such that the portion may be presented to a detector (27) for detecting interaction of the sample, or a constituent thereof, with a reagent or reagents so as to permit successive analysis of samples for analyte species.  The apparatus may also include means (21, 22, 23) for obtaining from the gaseous medium a sample containing analyte species, for application to the carrier.     The analyte species may be, for example, an airborne species such as a drug or an environmental pollutant.
Patent CA-2103588-A1 (CA)
Title: Energy absorbing device
Inventor: CRAWFORD HENRY
IPC: A62B35/04
Filed: 1992-02-06
Abstract: An energy absorbing device (10; 30; 50, 82) for use in a fall arresting system is described comprising a housing (16, 20; 38, 40;  52; 58; 82, 82a) for receiving webbing (12; 32; 62; 86) of a harness coupled to a person or object, the housing being adapted to be coupled to an anchor point. The webbing passes through the device and an external loop (24; 34; 74) of webbing is formed and at least two layers of webbing (12a, 12b; 32a, 32b; 62; 86) are sandwiched in a close fitting relationship in a longitudinal channel (18; 42; 60) of the device. In the event of a fall a force is applied to the object or body and the loop, which is free-running, takes up the initial force and limits the force applied to the body to a first value (F1). Once the free loop is taken up, slippage between the webbing layers and between the webbing and the surfaces of the housing creates friction which controls the maximum force (F2) applied to the body or object. Embodiments of the invention are described.
Patent CA-2105413-A1 (CA)
Title: Divided package of adsorbent for internal use and process for producing the same
Inventor: ONO SAICHI
IPC: B65D75/58
Filed: 1993-09-02
Abstract: Disclosed herein are a divided package of a medicinal adsorbent for internal use, comprising a divided package bag and an adsorbent for internal use which releases air ranging from 1.3 to 10 ml based on one gram of the adsorbent on heating from 10°C to 30°C and is packed therein, and having a volume expansion coefficient ranging from 0 to 0.064 ml/°C~g (adsorbent far internal use) at a temperature of from 10 to 30°C, and a process for producing the same.