baber/WOPTO huggingface dataset:
Patent CA-1287394-C (CA)
Inventor: TONTINI FRANCO
IPC: H04R1/24
Filed: 1986-07-11
Granted: 1991-08-06
Abstract: ABSTRACT OF THE DISCLOSURE           Multiple loudspeaker with piezoelectric "tweeter" supported in such a way as to allow complete exploitation of the main loudspeaker diaphragm  the surfaces of which reflects the ra-diation emitted from the rear  by the ceramic disk and  by the piezoelectric tweeter  diaphragm.           This invention concerns a multiple loudspeaker with a piezo electric  tweeter   held up by a means of support   which allows the rear wave emitted by the ceramic disk and   re-spective conical diaphragm to be fully exploited,   using the main loudspeaker cone as a reflecting surface without overloading the moving coil of the latter.           The invention is basically characterized by the fact that the piezoelectric  tweeter  is placed in front of the main loudspeaker  cone  without the traditional protection and support basket  but using a different means of   support which does not intercept or disturb the rear radiation from the piezoelectric  "tweeter",  or prevent the  forward reflection of the radiation by  the main loudspeaker dia-phragm.
Patent CA-1282315-C (CA)
Title: Fuel operated vehicle heater
Inventor: BECK WOLFGANG
IPC: F23Q3/00
Filed: 1986-09-10
Granted: 1991-04-02
Abstract: ABSTRACT      A fuel-operated vehicle heater especially of the type intended as an auxiliary or additional vehicle heater and which has a nozzle sitting on a nozzle holder to which fuel 1 fed from a fuel line by a filter, a fuel pump and an interposed solenoid valve. In a preferred embodiment heater, the nozzle holder, fuel pump, filter and solenoid valve form a subassembly that can be handled as a single unit. advantageously, this subassembly can be fastened by screws to a flange within a housing part of the heater. On this flange can also be fastened an ignition spark emitter and a central connecting device, such as a burner motor. Advantageously, the feed line and/or the return line for the fuel supply are formed in the flange.
Patent CA-1281123-C (CA)
Title: Line array transducer assembly
Inventor: LAPETINA ROBERT A
IPC: B06B1/06
Filed: 1986-10-06
Granted: 1991-03-05
Abstract: A B S T R A C T          A flexible line array transducer assembly for detecting underwater acoustical signals.  The assembly includes an array of spaced-apart piezoelectric elements arranged generally in a line and selected to have low cross-coupling characteristics, low sensitivity to incoherent mechanical perturbations in the directions longitudinal and lateral to the axis of the array, and high sensitivity to coherent mechanical perturbations such as acoustical signals.          The elements are polarized in a direction generally transverse to the array and each include opposing surface areas which are generally parallel with the linear axis of the array.  Electrodes are disposed on the opposing surface areas of the elements and are coupled to conductors which carry signals produced by the piezoelectric elements when the elements are stressed by acoustical signals.  A porous, open-cell material is disposed about the piezoelectric elements as an encasement to maintain the elements in place and mechanically isolate the elements.  An outer, water-tight jacket encloses the open cell material and holds a fill fluid carried within the open-cell material. An electically conductive flexible sleeve may be placed either about the open-cell material or about the outer jacket to shield the piezoelectric elements from electromagnetic waves.
Patent CA-1282314-C (CA)
Title: Radiant tube burner
Inventor: YOSHIDA YASUSHI
IPC: F23D14/12
Filed: 1986-10-31
Granted: 1991-04-02
Abstract: ABSTRACT OF THE DISCLOSURE      A radiant tube burner is disclosed in which a nozzle of the gas burner is coaxially placed in a combustion tube located in a radiant tube so that the burner can he moved in the axial direction, fuel gas issuing from the gas burner undergoes primary combustion by primary air supplied through an annular space between the gas burner and the combustion tube and further undergoes secondary combustion by secondary air supplied through the annular space between the combustion tube and the radiant tube.  The radiant tube burner comprises a burner tube, a divergent flame type nozzle, swirling vanes and an air damper, whereby stable high load combustion is carried out by swirling the primary air and soft secondary combustion is carried out in the radiant tube to reduce NOx.
Patent CA-1279080-C (CA)
Inventor: DAUVERGNE JEAN
IPC: E05B65/12
Filed: 1986-12-16
Granted: 1991-01-15
Abstract: A B S T R A C T     The actuator locks a motor vehicle door latch by means of a pin     which is capable of assuming an un-locked position and a locked position,      and comprises in combination a rotary disc    in which is provided a profiled opening     capable of shifting the pin, the rotation of the disc     being brought about by an electric circuit, a cam     pivotally mounted on a se-cond cam      which is pivotally mounted on the disc, and a hook     for bolting the pin     whose pivoting to its bolting position may be brought about electrically by rotation of the disc      through the cam      which has a lug      sliding in a slot      of the hook When the pin     is thus in the locked position bolted by the hook,     the unbolting thereof can only be achie-ved by means of a new electric instruction, which increa-ses the safety of the vehicle against theft after a breaking of the window glass.
Patent CA-1297006-C (CA)
Inventor: POWELL MAXWELL M
IPC: A61P31/12
Filed: 1987-01-23
Granted: 1992-03-10
Abstract: ABSTRACT OF THE DISCLOSURE     A  composition  containing  an  antiviral  and  an antitumor agent is useful when topically applied for the treatment of tumors and cancers, particularly for the treatment of viral or cancerous skin disorders and skin manifestations thereof.  Interferon is usefully employed in these compositions in combination with the antitumor agent.    Antitumor  agents  which  are  useful  include interleukin,  such  as  Interleukin II,  tumor  necrosis factor  (TNF),  target  cell  lysis  factor  (TCLF)  and carcino-breaking factor (CBF).   These compositions are especially usefully applied by topical application to the skin manifestation of the viral or cancerous skin disorder.
Patent CA-1311835-C (CA)
Title: Progressive scan video signal processor
Inventor: DISCHERT ROBERT A
IPC: H04N7/01
Filed: 1987-05-22
Granted: 1992-12-22
Abstract: RCA 82,215 ABSTRACT PROGRESSIVE SCAN VIDEO SIGNAL PROCESSOR     A speed-up circuit time compresses and interlaces field delayed (Yd) and interpolated (Yi) lines of a video input signal (Y1) for display in progressive scan fashion.  The interpolated lines (Yi) are produced by adding low and high frequency components derived from the video input signal.  The low frequency component (s5) is produced by frame-combing (in 62) and low pass filtering the input signal.  The high frequency component is obtained by field delaying (in 56), line comb filtering (in 66) and high pass filtering the input signal.  The combined low and high frequency components are spatially and temporally coincident thereby reducing the visibility of motion artifacts (double images) on the display.
Patent CA-1279190-C (CA)
Title: Gaff for landing fish
Inventor: DOOLEY PATRICK D
IPC: A01K97/14
Filed: 1987-06-05
Granted: 1991-01-22
Abstract: GAFF FOR LANDING FISH                    Abstract The gaff has a pistol grip handle with finger indentations therein, and an enlarged butt and head, en-abling the user to maintain his arm in line with the shank of the gaff and thus experience less fatigue while having a better grip on the gaff and better control of it in landing the fish.
Patent CA-1338107-C (CA)
Inventor: VILLAX IVAN
IPC: B01J31/18
Filed: 1987-06-05
Granted: 1996-03-05
Abstract: The present invention refers  to  the  compounds  (µ-hydrazine-N1:N2)-bis[bis(triphenylphosphine)-chlororhodium   (I)] and  di(µ-hydrazine-N1:N2)-bis[bis(triphenylphosphine)rhodium (I)] dichloride,   which  are  homogenous hydrogenation  catalysts  and  their application in the hydrogenation of the exocyclic methylene group of acid addition  salts  of  6-demethyl-6-deoxy-6-methylene-5-hydroxytetracycline   (methacycline)   to  prepare  .alpha.-6-deoxy-5-hydroxytetracycline (doxycycline).
Patent CA-1299905-C (CA)
Title: Fixation device
Inventor: GUNDERSON HARALD
IPC: D21F7/08
Filed: 1987-06-16
Granted: 1992-05-05
Abstract: ABSTRACT         Fixation  device  for  permeable  web  materials,  such as felts and wires for paper maschines, where air at control-led temperature and pressure is pressed through the web from jets in at least one pressure chamber (12) on one side of the web, to at least one corresponding suction chamber (15) on the other side of the web, the device thereby comprising an upper structure  (9)  and a lower structure  (10)  between which the web is running during operation where a pressure chamber (16) with a corresponding suction chamber (13) being arranged in front of,  and a pressure chamber  (14) with a corresponding  suction  chamber  (11)  being  arranged  behind, at least one middle pressure chamber (12) with a corresponding suction  chamber  (15),  each pressure  chamber  (12,  14,  16) being provided with  two  jets  arranged  in an  accute  angle to the web and towards each other, with one front jet (17, 19, 21) and one rear jet (18, 20, 22), thereby establishing and  maintaining  an  overpressure  between  the  jets  and  the web, jets arranged in opposed pressure chambers and adjacent each other thereby directing air passed each other in such a way that air from one pressure chamber substantially is prevented in penetrating into the adjacent suction chamber, and the upper and lower structures  (9,  10)  being provided with ducts (30, 31) for an air flow having a controlled tempe-rature, thereby avoiding deformations of the upper structure (9)  due  to  temperature  influences  from the heated air in the fixation process.         (Fig. 1)
Patent CA-1285700-C (CA)
Title: Safety helmet
Inventor: MORIN CLAUDE
IPC: A42B3/00
Filed: 1987-07-20
Granted: 1991-07-09
Abstract: There is described a safety helmet comprising a shell (1) and a chin-strap (2) associated thereto, the one chin-strap end (3) being rotatably mounted on a pivot (4) fastened to the shell, the other chin-strap end (7) being joined to the shell (1) through means (8) provided with a control member (9) rotatably mounted on a pivot (10) fastened to the shell (1), and so arranged as to move the chin-strap (2) between two end positions, a first position allowing either fitting the helmet on, or removing the head therefrom, wherein the chin-strap (2) projects in front of the chin to make the helmet opening completely free, and a second position corresponding to securing the helmet, wherein that chin-strap portion (12) intended to bear under the chin to secure the helmet, is bearing underneath the chin.
Patent CA-1285692-C (CA)
Title: Branched polycarbonates containing methylene-bis-naphthalene compounds and process for their preparation
Inventor: PETRI ALBERTO
IPC: C08G64/14
Filed: 1987-07-22
Granted: 1991-07-02
Abstract: "BRANCHED    POLYCARBONATES   CONTAINING   METHYLENE-BIS-NAPHTHALENE COMPOUNDS AND PROCESS FOR THEIR PREPARATION"                       Abstract Branched, thermoplastic polycarbonates, suitable for being processed by means of the blow-moulding  technique, are   prepared   by   means  of   copolymerization   with methylene-bis-naphthalene compounds.
Patent CA-1298063-C (CA)
Title: Ammonia synthesis
Inventor: SHANNAHAN CORNELIUS E
IPC: C01C1/04
Filed: 1987-08-14
Granted: 1992-03-31
Abstract: ABSTRACT OF THE DISCLOSURE A process for producing ammonia by reaction of a hy-drogen and nitrogen-containing synthesis gas in the presence of a solid particulate catalyst for the reaction includes conducting the reaction at pressures significantly lower than that of conventional ammonia synthesis, e.g., at about 30 to 70 atmospheres, in a fluidized bed Or the catalyst. The synthesis gas 18 used to fluidize the catalyst and the resultant fluidized bed 18 preferably maintained under sub-stantlally isothermal conditions, e.g., by flowing a coolant liquid in indirect heat exchange relationship with the flu-idized bed.  Suitable catalysts for the process include ac-tivated iron catalysts which may be Or very fine particle size.
Patent CA-1283706-C (CA)
Inventor: TAMURA YOSHIHARU
IPC: H04B1/40
Filed: 1987-08-28
Granted: 1991-04-30
Abstract: ABSTRACT            The present invention provides a portable radio communication apparatus in which, when a sleeve antenna or a whip antenna is pulled out of a housing of the apparatus, sufficient gain is attainable due to the gain of that antenna and diversity reception is achieved with that antenna and a built-in antenna.  Even when the sleeve or whip antenna is tucked away in the housing, the built-in antenna is automatically switched from a receive-only condition to a transmit and receive condiition to allow transmission and reception to be performed as needed.          Hence, even in a system in which an answer to a reception is automatically transmitted and, then, a communication is allowed only if the answer is confirmed by the other party, a person can wait for a reception while carrying the apparatus in a bag or the like with the antenna not protruded from the housing.  In addition, in a place where an electric field which allows stable connection to be set up through the built-in antenna only and, yet, without resorting to reception diversity is available, communication may be performed with the sleeve or whip antenna kept in the housing, i.e., in an easy-to-use condition wherein no long projections exist.
Patent CA-1337785-C (CA)
Inventor: MOLDRUP STEEN OLE
IPC: F26B/
Filed: 1987-10-01
Granted: 1995-12-26
Abstract: In the vacuum drying of solid wood (2) and other wood-based products, the invention provides a method of achieving a better control of the drying process and a better heat economy than by the traditional me-thods of vacuum drying. This is achieved by complete-ly evacuating the air from the space around the wood (2), and instead to fill the space (1) around the wood (2) with superheated water vapours (11). By maintaining a uniform presssure and temperature in all parts of the drying chamber (1) during the drying process, and controlling the temperature and the pre-ssure of the superheated water vapours (11) in accor-dance with directives described in more detail, it is possible to control the dampness (MC) of the wood very precisely, and thereby to avoid damage to the wood (2) during drying. By at the same time providing the drying plant with a heat pump system (13) and condensing the water vapours (11) which have evapor-ated from the wood in a separate cooler condensation tank (15), it is possible with very low energy con-sumption to recover and re-use the main part of that thermal energy which is used in the drying. This is effected by using the wood (2) existing in the drying chamber (1) as a heat buffer, and controlling the temperature in the cooler condensation tank (15) and in the drying chamber (1) in accordance with more closely detailed directives.
Patent CA-1324024-C (CA)
Inventor: NAAKTGEBOREN ADRIANUS
IPC: A01F15/08
Filed: 1987-10-23
Granted: 1993-11-09
Abstract: BALE DISCHARGE MECHANISM FOR AGRICULTURAL BALERS                  ABSTRACT OF THE DISCLOSURE An agricultural baler comprising a bale case (6) and a plunger reciprocable in the bale case for, in use of the baler, forming crop material into bales and moving said bales along the bale case towards the discharge end thereof for ultimate discharge therefrom, and bale-discharge means associated with the bale case and operable to engage a formed or partially formed bale in the bale case and move it therealong towards the discharge end thereof independently of the operation of the plunger.
Patent CA-1275622-C (CA)
Title: Coin stacking and wrapping apparatus
Inventor: TAKATANI ICHIRO
IPC: B65B11/56
Filed: 1987-12-24
Granted: 1990-10-30
Abstract: ABSTRACT OF THE DISCLOSURE           Each unit number of coins to be stacked and wrapped are centrifugally aligned on a rimmed turntable and red in a row along a horizontal coin guideway to a stacking position, where the successive coins are stacked by a toothed stacking wheel capable of placing each new coin under the preceding one.  Thus the coins are stacked on, rather than under, the plane of the coin guideway with a view to the reduction of the vertical dimension of the machine to a minimum.  Disposed around the stack of coins thus formed are a set of parallel wrapping-rolls at least one of which is displaceable for rotatably engaging the coin stack between itself and the other wrapping rolls. With the forced rotation of the wrapping rolls together with the coin stack, a piece of wrapper strip is wound around the latter, and the side edges of the wrapper strip are folded against the opposite ends of the stack.  The wrapped stack of coins is ejected downwardly.
Patent CA-1288887-C (CA)
Title: Process for production of styrene polymers
Inventor: ISHIHARA NOBUHIDE
IPC: C08F4/659
Filed: 1987-12-31
Granted: 1991-09-10
Abstract: ABSTRACT OF THE DISCLOSURE    A process for production of styrene polymers is dis-closed, comprising polymerizing styrene monomers by the use of a catalyst comprising (a) a titanium compound and (b) a contact product of an organoaluminum compound and a condens-ing agent, and further in the presence of hydrogen.  The styrene polymers produced by the present process have a stereo structure that substituent groups are mainly in the syndiotactic configuration.  Thus the styrene polymers have high heat resistance and high solvent resistance as compared with atactic polystyrene commonly used and are useful as materials for production of articles for which high heat resistance and high solvent resistance are required.
Patent CA-1289649-C (CA)
Title: Method and apparatus for providing virtual facility communication service
Inventor: LANGE MICHAEL D
IPC: H04M1/27485
Filed: 1988-05-12
Granted: 1991-09-24
Abstract: METHOD AND APPARATUS FOR PROVIDING VIRTUAL FACILITY COMMUNICATION SERVICE            Abstract A communication system is arranged to provide a virtual private line facility connection to another communication system using the public switched network. In response to a predetermined signal preceding a called party dialing signal received from a user, the system accesses a virtual facility table to obtain an intersystem dialing signal necessary to establish a connection to an access line of the other communication system. The system sends the intersystem dialing signal followed by the called party dialing signal to the public switched network. The intersystem dialing signal establishes a connection to the other system which then uses the received called party dialing signal to establish a connection from that system to the called party. The virtual facility table is made accessible to speed dialing, repertory dialing, station message detail recording and automatic route selection features of the system.
Patent CA-1317516-C (CA)
Title: Ankle support system
Inventor: BEAUCHEMIN PIERRE
IPC: A61F5/01
Filed: 1988-06-10
Granted: 1993-05-11
Abstract: ABSTRACT     The invention relates to an ankle support system to protect against ankle injuries.  The ankle support system comprises a leg brace mounted to the leg of the wearer and an anchoring strap for attaching the leg brace to a shoe.          The anchoring strap comprises a series of eyelets receiving a shoe lace and firmly retaining the anchoring strap to the shoe.
Patent CA-1312711-C (CA)
Title: Asbestos removal method and system
Inventor: FLYNN TOM S
IPC: A47L5/14
Filed: 1988-11-24
Granted: 1993-01-19
Abstract: ABSTRACT OF THE DISCLOSURE          A system for removing asbestos-containing materials from substrates includes a nozzle assembly (15) for directing streams of pressurized steam to penetrate asbestos-containing material (14) sufficiently to loosen binders therein so that the material can be easily dislodged from the substrate by a second stream of higher pressure steam.  The nozzle assembly (15) includes a suction inlet opening arranged adjacent steam ejection nozzles (14) for vacuuming asbestos particles and fibers entrained by the steam.            S-009337.001/REK-F
Patent CA-1301041-C (CA)
Inventor: DUNSHEE WAYNE K
IPC: A61F15/00
Filed: 1989-01-10
Granted: 1992-05-19
Abstract: Abstract of the Disclosure A single,  flexible,  pressure-sensitive adhesive coated sheet having one or more co-terminal, V-fold liner tabs attached to portions of the adhesive coated surface; and tape pads formed from a plurality of such sheets.   In this invention one leg of a V-shaped tab is adhered to the adhesive coated surface of the sheet.  An unattached leg of the  tab  forms  a  handle  which  is  easily  grasped  to facilitate manual separation of the tab from the sheet when it is adhered to a receptor surface.
Patent CA-1336704-C (CA)
Title: Method of producing sintered hard metal with diamond film
Inventor: ITO TOSHIMICHI
IPC: C30B25/02
Filed: 1989-02-03
Granted: 1995-08-15
Abstract: The present invention is directed to a method of producing a sintered hard metal having a diamond film wherein a gas that is obtained by activating a raw material gas containing 2 to 60 mol % of carbon monoxide and hydrogen gas is brought in contact with a sintered hard metal to form a diamond film, thereby a diamond film can be formed on said sintered hard metal with the adhesion of the diamond excellent.
Patent CA-1335598-C (CA)
Title: Synthesis of 2-(4-hydroxyphenoxy)alkanoic acids
Inventor: ELANGO VARADARAJ
IPC: C07C51/00
Filed: 1989-03-15
Granted: 1995-05-16
Abstract: A method for synthesizing 2-(4-hydroxyphenoxy)alkanoic acids by reacting a hydroxyaromatic ketone derivative with a 2-substituted alkanoic acid under basic conditions and thereafter oxidizing the intermediate with subsequent hydrolysis.
Patent CA-1304502-C (CA)
Title: Automatic engine oil change indicator system
Inventor: SCHWARTZ ELLEN S
IPC: B60Q9/00
Filed: 1989-03-15
Granted: 1992-06-30
Abstract: G-1,099;  C-4032 AUTOMATIC ENGINE OIL CHANGE INDICATOR SYSTEM            Abstract of the Disclosure An apparatus and method is disclosed for indicating useful life of motor vehicle engine oil during engine operation based on engine oil temperature without direct measurement thereof.  Following the initiation of engine operation, engine oil temperature is calculated from a warmup equation until calculated engine oil temperature exceeds a warmup reference, whereupon it is calculated from an equilibrium equation, both of which equations being linear combinations of engine operating parameters other than engine oil temperature itself.  The warmup equation includes a constant term, a reference temperature term fixed at the beginning of engine operation and a term increasing proportionally with the number of engine cylinder firings.  The equilibrium equation includes a constant term, an engine temperature term and a term proportional to engine speed and may also include a term proportional to an engine cooling factor.