baber/WOPTO huggingface dataset:
Patent CA-1049662-A (CA)
Inventor: GILLISSIE MICHAEL J E
IPC: H01L21/673
Filed: 1977-01-25
Granted: 1979-02-27
Abstract: APPARATUS AND METHOD FOR TRANSFERRING         SEMICONDUCTOR WAFERS Abstract of the Disclosure A modified etch boat acts as a transfer device for transferring wafers, in bulk.  An etch boat has a longitudinal hole through one wall near the top edge, the hole periphery extending into Vee grooves in the etch boat.  With wafers in the grooves, a rod inserted through the hole prevents wafers from falling out.  With wafers in a storage box, the modified etch boat is positioned on the storage box, the whole inverted, and then the rod inserted after the wafers have transferred.  The etch boat can then be inverted over a furnace boat, for example.  After positioning on the furnace boat, with the wafers lifted slightly, the rod is removed and then the etch boat lifted off.  The reverse operation is used to transfer from a furnace boat.     j
Patent CA-1077491-A (CA)
Inventor: ROTH MARTIN
IPC: C07D307/34
Filed: 1977-04-07
Granted: 1980-05-13
Abstract: ABSTRACT        There is described a process for the production of maleimides of the formula (I)   wherein n represents the number 1 or 2, Q represents, if n is 1, phenyl, 1- or 2-naphthyl or certain substituted phenyl or naphthyl groups, and if n is 2, 1,3- or 1,4-phenylene, 1,2-, 1,8- or 2,3-naphthyl-ene or certain substituted such phenylene or naphthylene groups, a biphenylene group or a group of the formula  , wherein X is -O-, -S-, -S-S-, -S02-, -CH2-, -C0- or -C(CH3)2-, by isomerization of the corresponding isoimides in the presence of specific catalysts such as mixtures of phenol and triethylamine. By said process maleimides of formula (I) of high purity are obtained in good to very good yields under mild conditions and with the use of small amounts of catalysts.
Patent CA-1092632-A (CA)
Inventor: FRANZMEIER ALVIN W
IPC: H05B3/56
Filed: 1977-05-24
Granted: 1980-12-30
Abstract: Abstract Heating cables are secured in proper position by sup-ports extending into the rain gutter of the house or building. In new installations, these supports may extend across the gutters and support the outer wall thereof in addition to serve as an anchoring means for heating cables.  The construction is such that the supports serve as a means of supporting heating cables extend-ing longitudinally of the gutter and in spaced relation to the bottom of the gutter.  The supports may also serve as anchors for zigzag cable portions of a heating cable overlying the edge por-tion of the roof.
Patent CA-1074932-A (CA)
Inventor: RAJCHMAN JAN A
IPC: H04N5/68
Filed: 1977-07-14
Granted: 1980-04-01
Abstract: APPARATUS AND METHOD FOR MODULATING     A FLAT PANEL DISPLAY DEVICE                       Abstract A flat panel display device has a cathodoluminescent screen which is bombarded by a flow of electrons.  The screen becomes electrically charged due to the electron bombardment.  The charge striking various points on the screen is directly related to the image brightness at those points.  The flow of electrons to each point is modulated by sensing the electrical charge which strikes the screen's surface at each point and comparing it to the image brightness signal for the display.  When a predetermined relationship between the charge and the signal exists, indicating that the proper brightness level has been reached, the electron flow is terminated.  The sensing system may be multiplexed to reduce its complexity.
Patent CA-1103273-A (CA)
Inventor: OSBORN HARLAND J
IPC: G03C7/34
Filed: 1977-09-26
Granted: 1981-06-16
Abstract: Abstract of the Disclosure: 2,5-Dicarbonylaminophenols containing a p-alkyl-sulfonylaminophenoxy terminal moiety or a p-alkylamino-sulfonylphenoxy terminal moiety in the five-position substituent of the molecule are color-forming couplers useful in photographic silver halide emulsio:s and elements.
Patent CA-1095880-A (CA)
Title: Pasty compositions for crosslinking organopolysiloxes  to silicone rubber
Inventor: GOLLER HEINZ
IPC: C08J3/24
Filed: 1977-09-28
Granted: 1981-02-17
Abstract: Abstract of the Disclosure A pasty composition for the room temperature crosslinking and curing of a vulcanizable organopolysiloxane, comprising a crosslinking agent for an organopolysiloxane, a curing catalyst therefor, and about ?-40% by weight of the total amount of the pasty composition of hydrophilic active silicon dioxide as a thickener.  The pasty composition may additionally contain up to about 40% by weight of at least one inactive filler. Advantageously, the organopolysiloxane is in one tube and the pasty composi-tion is in another; lengths of material are squeezed out in easily ascer-tained proportions and are mixed in the presence of water, e.g. water vapor in the atmosphere, the mixture setting to a silicone rubber.
Patent CA-1111138-A (CA)
Inventor: HAGIWARA YOSHIAKI
IPC: H01L29/762
Filed: 1977-10-13
Granted: 1981-10-20
Abstract: ABSTRACT OF THE DISCLOSURE      A method of making a charge transfer device which has charge transfer portions arranged in a semiconductor substrate, each of said charge transfer portions having electrodes, and in which an effective asymmetrical potential is produced in each of the charge transfer portions in a carrier transfer direction by the affect of potential of channel stopper regions upon charge transfer.  The method has the steps of forming channel stopper regions, which define a charge transfer line, in the substrate, forming a first polycrystalline semiconductor layer which becomes a first gate electrode of every second charge transfer portion, forming a second polycrystalline semiconductor layer which becomes a second gate electrode of the other of every second charge trans-fer portion, and forming a portion which is extended from at least the channel stopper region and produces the asymmetrical potential, by selectively doping an impurity into the substrate with the first and second polycrystalline semiconductor layers as a doping mask.
Patent CA-1099119-A (CA)
Inventor: SARGISSON DONALD F
IPC: F02K3/077
Filed: 1977-10-21
Granted: 1981-04-14
Abstract: HYBRID MIXER FOR A HIGH BYPASS    RATIO GAS TURBOFAN ENGINE                          Abstract A high bypass ratio gas turbofan engine provided with a hybrid mixer for mixing that portion of the bypass stream equivalent to a bypass ratio of substantially two with the core engine hot gas stream. The mixture is passed through a common exhaust nozzle.
Patent CA-1071978-A (CA)
Inventor: BONAC THOMAS
IPC: B23D55/10
Filed: 1977-12-07
Granted: 1980-02-19
Abstract: ABSTRACT A system for introducing " tensioning " stress distribution into the wide bandsaw blade without its plastic deformation, for automatically compensating for blade temperature expansions and blade manufacturing inaccuracies, and for controlling blade position on the bandsaw wheels, comprising: torsional loading of the back, noncutting section of the bandsaw blade by using two actuators acting as a couple; continuously sensing for a displacement of the bandsaw blade during sawing from a set position on the wheels and countering the adverse effect of such displacement by generating a corrective displacement in the opposite sense relative to the said set position through the change of the ratio of forces forming the said couple.
Patent CA-1103024-A (CA)
Inventor: GOLDSTEIN H LAWRENCE
IPC: B03C1/02
Filed: 1978-01-04
Granted: 1981-06-16
Abstract: ABSTRACT OF THE DISCLOSURE An improved process and apparatus for separating solid particulate from a gas stream having the same entrained therein.  The separation is accomplished with a magnetic separator comprising a plurality of electro magnets disposed gen-erally around or within the periphery of the gas stream or extending through a cross-section thereof, which magnets are operated such that continuous separation is possible.  When the solid particulate is not, normally, subject to magnetic attract-tion, the same may be rendered subject to such attraction by incorporating a suit-able compound therein.  This is most conveniently accomplished by adding a pre-cursor of such a compound to the process in which the solid particulate is formed at a point after which the subsequent process steps would result in the conversion of the precursor to a suitable material.  The particulate is, of course, separated from the gas stream by magnetic attraction and is then withdrawn from the solid separator by "turning off" the electro magnet or magnets.
Patent CA-1076389-A (CA)
Inventor: NORDBY MARVIN V
IPC: F16J15/32
Filed: 1978-01-16
Granted: 1980-04-29
Abstract: ABSTRACT OF THE DISCLOSURE A sealed motion transmitter, especially adapted for use with fluid power devices, comprises a ball shaft intermediately pivotally supported in a housing by a pair of spaced-apart spherical bearings, with a fluid seal interposed between the bearings, resulting in a combination of low leakage and low actuation force which allows pivotal movement of one end of the shaft within a portion of the housing in communication with a pressurized portion of the fluid power device, while the other end is movable without such portion and is fluidically isolated therefrom by the seal.
Patent CA-1100029-A (CA)
Title: Premix gas burner assembly for copper melting furnace
Inventor: PARIANI RONALD L
IPC: F27B3/20
Filed: 1978-02-21
Granted: 1981-04-28
Abstract: ABSTRACT OF THE DISCLOSURE           An improved premix gas burner design suitable for use in a metal melting furnace which has long service life, a low degree of maintenance, is easily cleared in case of burner blockage, allows inspection of the combus-tion chamber or furnace interior and still maintains the desired turndown capabilities of premix gas burners.          These results are achieved by providing usual and/or physical access to the interior of the burner through a novel access tunnel and by providing a dual composition refractory combustion chamber.
Patent CA-1124915-A (CA)
Title: Preliminary product for the preparation  of bone cement
Inventor: GROSS ALBERT
IPC: C08K3/22
Filed: 1978-05-17
Granted: 1982-06-01
Abstract: ABSTRACT OF THE DISCLOSURE  .         The specification describes a preliminary product for the preparation of bone cement containing powdered copolymera of methyl methacrlylic and methyl acrylate.
Patent CA-1118528-A (CA)
Inventor: GETSON EDWARD F JR
IPC: G06F11/267
Filed: 1978-05-25
Granted: 1982-02-16
Abstract: FIREWARE/HARDWARE SYSTEM FOR TESTING INTERFACE         LOGIC OF A DATA PROCESSING SYSTEM            ABSTRACT OF THE DISCLOSURE      A firmware/hardware method and system is provided for testing interface logic in a data processing system having a plurality of system units intercommunicating over a common electrical bus.          Under firmware control, an incorrect parity is generated in a main memory address to be loaded into output register of a system unit supplying information to the bus.  A bus cycle request is issued by the system unit, and when the bus is made available the system unit acknowledges the memory address to initiate a transfer of data from the bus into the input registers of the system unit.  Thereafter, the data in the output registers of the device may be compared with the data in the input registers to detect interface logic errors.
Patent CA-1106761-A (CA)
Inventor: GLASSCOCK GREEN B
IPC: B01J13/00
Filed: 1978-05-31
Granted: 1981-08-11
Abstract: A B S T R A C T           A process for producing aluminum hydroxide gels substantially free of sodium ions involves a heterogeneous reaction between an aqueous solution of a water soluble alumi-num salt and an aqueous slurry of a water soluble alkaline earth carbonate.
Patent CA-1109614-A (CA)
Inventor: MAIER SIEGFRIED
IPC: A47L5/30
Filed: 1978-06-22
Granted: 1981-09-29
Abstract: ABSTRACT    A cleaning utensil, particularly a brush for incorporation in a vacuum cleaner nozzle, has a roller (15) with bristles which is mounted at each end in a utensil housing (1) by means of a respective bearing (3) and shock absorber (9).  In order to give a compact construction and to reduce spacing between the ends of the roller and side walls of the utensil housing, the bearings (3) project with bearing housings (2) into openings (17) in the ends of the roller (15).
Patent CA-1103116-A (CA)
Inventor: SCHERER RICHARD M
IPC: F24C15/02
Filed: 1978-07-31
Granted: 1981-06-16
Abstract: REMOVABLE OVEN PANEL AND DOOR SEALING GASKET          ABSTRACT    The specification discloses an oven with an outer oven body and an inner oven liner disposed within the body in a spaced apart relationship to provide a space between the body and the liner.  Both the body and the liner include open ends facing in the same direction.  A removable panel is attached to cover the space between the liner and body.  A flexible gasket is clamped between the liner open end and the panel for providing support for the liner and for engaging the oven door to form a seal between the door and the liner.
Patent CA-1084005-A (CA)
Inventor: DUDYNSKJ PETER P
IPC: A61G3/06
Filed: 1978-08-29
Granted: 1980-08-19
Abstract: WHEELCHAIR LIFT DEVICE            Abstract of the Disclosure:           A wheelchair lift device including a platform located in the stepwell of a motorcoach for raising and lowering a wheelchair between a first position wherein the platform is in horizontal alignment with an elevated floor formed with the motorcoach and a second position wherein the platform is at ground level.  The device includes foldable hinged sections that are positioned through a linkage to form steps for use by able-bodied persons and are extensible laterally outwardly relative to the stepwell so as to align the hinged sections along a horizontal plane and thereby form the platform for supporting the wheelchair.
Patent CA-1103277-A (CA)
Inventor: HOLLINGSHEAD WILLIAM S
IPC: C07C37/08
Filed: 1978-09-01
Granted: 1981-06-16
Abstract: Abstract of the Disclosure Hydroquinone having a purity greater than 99 percent is isolated through an aqueous recovery scheme compatible with the methyl isobutyl ketone based diisopropylbenzene dihydroperoxide isolation process.  Hydroquinone, from the Hock-splitting reaction, is extracted into water while the impurities are concentrated in a distillation tower.  Phase separation of the distillation tower bottoms affords an effi-cient separation of the hydroquinone from the organic impuri-ties.  Concentration, crystallization, and solid liquid se-paration (centrifugation) of the aqueous phase yields a wet hydroquinone cake which, upon recrystallization from acetone, yields high purity hydroquinone.
Patent CA-1059098-A (CA)
Inventor: EINHORN RUEDIGER
IPC: A47B96/06
Filed: 1978-09-05
Granted: 1979-07-24
Abstract: WALL BRACKET ASSEMBLY                ABSTRACT OF THE DISCLOSURE         A wall bracket assembly has a wall plate with a pair of vertically spaced apart pivot pins adapted to pivotally hold a bracket arm.  The pins may be noncircular to enable positioning of the bracket arm, and one pin may be longer than the other to facilitate assembly of the bracket.  The bracket may have a tapered grooved end for receiving a hook or ring with a matching configuration.  Alternatively, a saucer may have a grooved bottom adapted to be held on the top of the bracket arm and held in place by a hooked shaped element extending over the saucer edge.
Patent CA-1119153-A (CA)
Title: Catalyst and process of polymerization of alpha monoolefins
Inventor: WELCH M BRUCE
IPC: C08F4/60
Filed: 1978-09-07
Granted: 1982-03-02
Abstract: ABSTRACT OF THE DISCLOSURE           Polymerization of alpha monoolefins employing a catalyst comprising (A) a component formed by intensive mixing (?illing) of titanium ?alide. a Lewis base, anhydrous magnesium or menga?ese chloride, and an unsaturated additive, (B) trihydrocarbylaluminum and, optionally, a Lewis base, and optionally (C) a dihydrocarbyl aluminum halide.
Patent CA-1087463-A (CA)
Inventor: BROOKS DONALD G
IPC: A01C7/16
Filed: 1978-11-10
Granted: 1980-10-14
Abstract: ABSTRACT OF THE DISCLOSURE      An agricultural machine, for example a seeding machine arranged for the distribution of seed and fertilizer, which has a relatively long transverse frame, and a relatively short hopper assembly carried by the frame between the ends of the frame, the hopper assembly discharging its contents into a conveyor assembly which extends for the length of the frame, the conveyor assembly transporting discrete material across the machine and discharging through at least one opening to metering devices spaced along its length which meter outflow of the discrete material.
Patent CA-1099549-A (CA)
Inventor: FENEBERG PAUL H
IPC: G02B13/24
Filed: 1978-12-18
Granted: 1981-04-21
Abstract: ABSTRACT OF THE DISCLOSURE               A copying-machine projection system successively projects successive strip-shaped zones of an original onto successive strip-shaped zones of a photosensitive surface.   The projection system is of the type comprising at least one row of component projection objectives extending transverse to the direction of relative movement as between projection system and photosensitive surface.  The individual component projection objectives are consti-tuted by corresponding lenticular elements of plural lens bars, the lens bars extending transverse to the relative-movement direction and being provided with respective rows of lenticular elements.  The projection system projects a strip-shaped image onto the photo-sensitive surface but also forms an intermediate image plane.          Located at the latter is a lens-aperture plate, the lens apertures of which are so shaped that the adjoining boundaries of adjoining lens apertures extend at an angle relative to the direction per-pendicular to the relative-movement direction, this angle being at most equal to 80°.  As a result of this inclination, if the individual light fields projected improperly overlap, improperly overlap more or less than they nominally should, or fail to contact each other. the resultant boost or decrease in illumination is not confined to a longitudinally extending stripe which would be visible in the final copy but instead is averaged out over a surface area whose breadth, measured perpendicular to the relative-movement direction is substantially greater than the breadth of the excessive or absent overlap.
Patent CA-1097144-A (CA)
Inventor: HAAPAMAEKI PAAVO
IPC: A01C11/02
Filed: 1978-12-19
Granted: 1981-03-10
Abstract: Planting device Abstract of the Disclosure A planting device for a plant setting machine, said device comprising a frame supported by the plant setting machine, a hole-making means for making a hole for a plant into the ground, said hole-making means being vertically displaceably mounted on said frame, a shifting means for displacing said hole-making means vertically with respect to said frame and a feeding pipe ending at the path of movement of said hole-making means for supplying a plant to be set to said hole in the ground.  Said hole-making means is formed as a vibrator rod comprising an internal vibrating element.
Patent CA-1108489-A (CA)
Inventor: BERTI JEROME L
IPC: F02D23/02
Filed: 1979-01-11
Granted: 1981-09-08
Abstract: INTERCOOLER FOR INTERNAL COMBUSTION ENGINE   ABSTRACT OF THE DISCLOSURE An intercooler mounted on the cylinder head with an intake manifold of an internal combustion engine.  The intake manifold and cylinder head are adapted for fasten-ing together for operation with or without the intercooler mounted between the manifold and the cylinder head.  The use of a sandwich type intercooler arrangement permits use of standard components of the manifold or engine head with the optional use of the intercooler as a turbocharged engine or without as a naturally aspirated engine.
Patent CA-1132306-A (CA)
Inventor: KOEHLER LEO
IPC: C04B24/22
Filed: 1979-01-29
Granted: 1982-09-28
Abstract: FLOWING AGENT FOR CONCRETE AND MORTAR AND PROCESS FOR PRODUCING SAME     ABSTRACT OF THE DISCLOSURE           Flowing agent for concrete and mortar based, on the one hand, on lignin sulfonate and, on the other hand, on ring-sulfon-ated or sulfomethylated aromatic substances, wherein the mixture of the basic ingredients is after-condensed and after-sulfitized The invention also relates to a process for making the flowing agent.
Patent CA-1096342-A (CA)
Inventor: PETRANYI PAL I
IPC: B65D85/74
Filed: 1979-02-07
Granted: 1981-02-24
Abstract: - 1 -                 U 20835 (R) ABSTRACT OF THE INVENTION            A package for solid or pasty goods which have a tendency to adhere to the packaging material has a closure in which on the side facing the packaged goods a plurality of separate, independent cavities (1,21,31) have been provided. The cavities are separated from each other by ribs (2) or flat surfaces. The ribs or flat surfaces shut off the cavities containing air or gas by their contact with the surface of the packaged goods. As a result of the cavities not filled with the packaged article, the force required for taking off the closure is reduced and no or hardly any parts of the packaged article such as e.g. margarine keep adhering to the closure. The closures can consist of deep-drawn or embossed film or can have been made by embossing of a cardboard material coated with plastics.
Patent CA-1089655-A (CA)
Inventor: PACE DAN R
IPC: A01D44/00
Filed: 1979-03-26
Granted: 1980-11-18
Abstract: ABSTRACT          A harvester for plants such as Irish moss is disclosed.  The harvester may be towed along the sea bed by a surface vessel and provides for the continuous pumping of harvested plants to the vessel by way of an enclosed conduit.  The harvester includes a plurality of axially spaced harvest rollers rotatably mounted in a frame.  A plurality of guide rollers are pivotally mounted relative to the harvest rollers in advance thereof with each guide roller being longitudinally aligned with a corresponding space between adjacent harvest rollers.  A continuous mesh-like harvest belt extends around the guide and harvest rollers with the lengthwise members thereof being entrained around the guide rollers and positioned in the spaces defined between the harvest rollers.  The transverse members of the belt are flexible and extend between the endless members so as to be positioned, in the lower run thereof on the sea bed, and so as to engage and conform to the contour of the harvest rollers.  Plants are trapped between the transverse belt members and the harvest rollers so as to be pulled from the sea bed for subsequent deposit in a collection trough from which they are pumped to the surface vessel.  The harvester is simple and economic to produce and use and is efficient in collecting a wide swath of plants from the sea bed.
Patent CA-1099764-A (CA)
Inventor: DENNEY GENERAL C
IPC: B65H3/08
Filed: 1979-04-12
Granted: 1981-04-21
Abstract: VACUUM PICKUP DEVICE               Abstract of the Disclosure A vacuum pickup device which includes: 1)  a tubular outer member having one of its ends open and one of its ends sealed and having one or more ports, between its ends, that provide communication between its interior and exterior and that are in communication with a source of vacuum; 2)  a tubular inner member, positioned within the outer member and extending outwardly of the outer member through its open end; the inner member having one or more ports, between its ends, that provide communication between its interior and exterior; the inner member also being adapted to move through the open end of the outer member, bet-ween an extended position, in which an open end of the inner member extends a predetermined maximum distance outwardly of the open end of the outer member, and a retracted position, in which the open end of the inner member extends less than the pre-determined maximum distance outwardly of the open end of the outer member; and 3)  a spring, adapted to urge the inner member from its retracted position to its extended position.          In the extended position of the inner member, its ports are located between the ports in the outer member and the open end of the outer member but are not in communication with the ports in the outer member, and in the retracted position of the inner member, its ports are in communication with the ports in the outer member.