baber/WOPTO huggingface dataset:
Patent CA-2117150-A1 (CA)
Title: Process for the fabrication of halogenated esters of carboxylic or dicarboxylic acids
Inventor: DRIVON GILLES
IPC: C07B61/00
Filed: 1994-03-07
Abstract: A compound (Ia) or (Ib) is prepared by reacting a compound (III) with a salt of a carboxylic (IIa) or dicarboxylic (IIb) acid in a polar aprotic solvent. The reaction can be carried out under pressure but also at normal atmospheric pressure or in the region of normal atmospheric pressure (especially between 0.10 bar and 2 bar). The product (Ia) or (Ib) formed is, in the latter case, continuously recovered as it is formed. <IMAGE> R<1>, R<2> = optionally substituted, saturated or unsaturated, acyclic or cyclic, hydrocarbon radicals; R<3> = perhalogenated C1-C10 alkyl; 0 < n </= 4; X = halogen. The applications of the fluorinated alkyl (meth)acrylates obtained are especially: dust-preventing (dust-repelling) or dirt-repelling paints for various substrates such as external coatings, metal furniture, fibre optics, contact lenses, lithography, electrophotography, heat-resistant materials or dental resins.
Patent CA-2121089-A1 (CA)
Title: Synthetic resin pelletizing machine
Inventor: KANDO AKIYOSHI
IPC: B29C48/04
Filed: 1994-04-12
Abstract: ABSTRACT OF THE DISCLOSURE     A synthetic resin pelletizing machine includes an extrusion cylinder forming, with a horizontal plane, an installation angle .theta. which is in the range of 0° < .theta. <90° , a raw material feed passage extending upwardly from said extrusion cylinder at a predetermined angle relative to a longitudinal axis of said extrusion cylinder, and a cooling unit disposed below a die head and having a double bath construction composed of a first cooling bath and a second cooling bath disposed in the first cooling bath.  The pelletizing machine thus constructed is compact in size and is capable of assuring a smooth feed of a raw material to the extrusion cylinder as well as a smooth passage of an extruded strand through the cooling unit.
Patent CA-2121373-A1 (CA)
Title: Support device for services
Inventor: PINK JOHN E
IPC: E21F17/02
Filed: 1992-10-16
Abstract: The invention relates to support devices, for example, as used to support service lines from the roof in an underground mine. A  load-bearing member (23) and support bracket (22) are stacked together and temporarily fixed by means of a tab (24). The stacked arrangement (22, 23) is emplaced to the mine roof (26) by a rock bolt (25) which is secured by a point contact adhesive (27) and nut (28). The bracket (22) has keyholes (3) spaced along its length which serve as locking points for chains (21), from which services such as pipes (18) can be hung. The emplaced brackets (22) are spaced along the roof (26) so as to provide support for the pipes (18) along their route. The large number of keyholes (3) allows lateral positional adjustment at each bracket (22).
Patent CA-2122679-A1 (CA)
Title: Orthodontic toothbrush
Inventor: PAVONE BERNADINO JOSEPH
IPC: A46B5/00
Filed: 1994-05-02
Abstract: A toothbrush for use by wearers of orthodontic appliances comprises an elongated handle, a neck and a head. The bristles are designed so that the outermost rows are relatively soft and of long length, the bristles in the pattern gradually shortening in length and becoming stiffer, with the shortest and stiffest bristles being positioned along the center rows of the brush's longitudinal centerline axis. Also, the center rows of bristles are formed to be angled at their ends to reduce the pressure required to deflect the bristles beneath brace elements thus reducing undue pressure against the gums. Furthermore, a flexible member compressibly supports the center rows of bristles. The toothbrush also comprises an outer bumper protectively surrounding the toothbrush head. Moreover, a further embodiment of the invention has a lower tuft of bristles projecting from the lower portion of the handle.
Patent CA-2125742-A1 (CA)
Inventor: KAHL HELMUT
IPC: H05K9/00
Filed: 1994-06-13
Abstract: A process for producing a casing acting as a screen against electromagnetic radiation, more particularly intended for electronic operational elements, comprising a screening profile arranged in a predetermined portion of at least one part of the casing, said screening profile being made of elastic, conductive material, the elastic, conductive material being applied, by means of pressure from a needle or nozzle, directly onto the portion of the casing part, on which the screening profile is to be arranged, and a casing produced according to said process.
Patent CA-2128260-A1 (CA)
Title: Apparatus for controlling foaming and flowrate in beverage dispensing systems
Inventor: GROH JAMES K
IPC: B67D1/08
Filed: 1994-07-18
Abstract: An apparatus for controlling foaming and flowrate in a beverage dispensing system, such as a draft beer dispensing system. A flow regulating member is positioned within a faucet member, at the delivery end of the beer dispensing system, to balance the dispensing system to, in turn, further prevent the break-up of the beverage into foam.
Patent CA-2128877-A1 (CA)
Title: Amino procollagen 1(1) peptides
Inventor: BAYLINK DAVID J
IPC: C07K19/00
Filed: 1993-01-25
Abstract: Peptides which contain epitopes that mimic epitopes of the amino terminal propeptide of .alpha.1 Type I collagen, and antibodies which bind the epitopes, are useful in monitoring bone formation.  Assays which employ the peptides and antibodies thereto are particularly useful in diagnosing and monitoring bone related disorders, such as osteoporosis and Paget's disease, among others.
Patent CA-2128909-A1 (CA)
Title: Pervaporation vessel and method
Inventor: TUOHEY DAVID
IPC: B01D61/36
Filed: 1994-07-27
Abstract: PERVAPORATION VESSEL                            D#79,895-F) ABSTRACT OF THE DISCLOSURE     Apparatus for breaking or separating a liquid mixture or emulsion having two or more components.   The apparatus includes  a  closed vessel  having  one  or more  sequentially connected filtering compartments holding a filtering element such as a membrane assembly capable of achieving a multi-stage pervaporation to separate out a vaporous component of the solution.   The apparatus further includes a bypass facility which  interconnects  adjacent  filtering  compartments.    To compensate for the loss of heat energy during the vaporization segments,  the residual  liquid solution is bypassed into a second  vaporization  phase,  the  bypass  facility  including heating means  for maintaining the residual  solution of a predetermined liquid temperature prior to its entering the second or subsequent filtering phase.
Patent CA-2131047-A1 (CA)
Title: Thermoplastic resin composition
Inventor: SANADA TAKASHI
IPC: C08K5/3435
Filed: 1994-08-29
Abstract: ABSTRACT THERMOPLASTIC RESIN COMPOSITION        The  present  invention  provides  a  thermoplastic resin  composition  improved  in  stability  at  the  time  of processing  which  comprises  (a)   100  parts  by  of  a polyphenylene  ether  resin  and  (b)  0.001-15  parts  by weight of at least one 4-amino-2,2,6,6-tetramethyl-piperidyl  compound  represented  by  the  following  formula (I) or (II):                       (I)                              (II) wherein  R1  represents  a  hydrogen  atom,  an  oxygen  atom (oxy  radical),  a  hydroxyl  group,  an  alkyl  group,  a cycloalkyl group,  an allyl group, a benzyl group, an aryl group,  an alkanoyl group,  an alkenoyl group,  an alkyloxy group or a cycloalkyloxy group;           R2 represents a hydrogen atom, an alkyl group or   where X represents a direct bond, -O- or -NH-, R4  represents a direct bond, a straight or branched alkylene group,  an alkylidene group or an arylene group, R5  represents a hydrogen atom,  an alkyl  group,  an aryl group, -CH=CH?OH or     , n represents an integer of 1 to 4, p represents an integer of 2 to 6, and R3 represents an n valent organic group.
Patent CA-2131097-A1 (CA)
Title: Polyesters based on hydroxyl-containing prepolymers of olefinically unsaturated monomers and their use as binders for electrophotographic toners
Inventor: MEICHSNER GEORG
IPC: G03G9/087
Filed: 1993-03-23
Abstract: Polyester resins on the basis of hydroxyl groups-containing prepolymers from olefinically unsaturated monomers are prepared by (1) polymerizing a mixture of (a) 60 to 90% by weight styrol or a styrol derivate having the general formula (I), in which R1, R2 and R3 stand for hydrogen, methyl or ethyl and n equals 1 or 2, or a C2-C10-olefin with one or two conjugated double bonds, or a mixture thereof; (b) 0 to 40% by weight C1-C12-alkylester of acrylic or methacrylic acid, acryl- or methacryl-nitril, acryl-or methacrylamide, which may be substituted at the amide-nitrogen by one or two C1-C4-alkyl groups, maleic anhydride or maleic acid imide, which may be substituted at the imide-nitrogen by a C1-C4-alkyl group, or a mixture thereof; (c) 0 to 20% by weight one or several hydroxyl group-containing acrylic or methacrylic acid derivates; and (d) 0 to 2% by weight one or several olefinically poly-unsaturated monomers; to obtain a prepolymer A, into which the hydroxyl groups are inserted by means of hydroxyl groups-containing regulators when the monomer component (c) is missing and by a mixture of (A) 5 to (95% by weight prepolymer A;  (B) 0 to 95% by weight another low molecular or high molecular polyol, a polyester or a polyamid, or a mixture thereof; and (C) 5 to 70% by weight one or several aliphatic or aromatic dicarboxylic acids C or their C1-C4-alkylesters. Carboxylic acids or their C1-C4-alkylesters having more than two carboxyl groups per molecule, monocarboxylic acids or their C1-C4 alkylesters, hydroxymonocarboxylic acids or their C1-C4-alkylesters or mixtures thereof, as well as waxes may also be present during polycondensation. These polyester resins are suitable as binders for electrophotographic toners and for the receiving layers in the thermodiffusion printing method.
Patent CA-2133194-A1 (CA)
Title: A dispenser having an improved cut off valve for viscous, liquid and other materials
Inventor: FERRARA DANIEL A JR
IPC: B65D47/20
Filed: 1994-01-27
Abstract: A dispenser for dispensing viscous materials from a container (12), such as a pressurized or manually pressurized container, includes a normally closed leaf spring type valve (36) secured within the discharge duct (26) of the dispenser. The dispenser can be a dispensing actuator cap (10). The leaf spring bears against an inside surface of the discharge duct. The leaf spring (52) is opened by the pressure of dispensing product during actuation and closes when the container is no longer actuated. The valve can be an insert or can be formed integrally with the cap. The dispenser has a lever portion, rotation of which actuates the container valve. The lever portion (80) is defined by a slot (62). The hinge region of the lever portion is in approximately the same horizontal plane as the top of the valve stem (24), optimizing leverage on actuation.
Patent CA-2133675-A1 (CA)
Inventor: GRAVIER ROBERT A
IPC: B28B7/02
Filed: 1994-10-05
Abstract: A method for forming concrete retaining wall blocks from a single mold with selectable dimensions such that a retaining wall of a desired setback can be defined.  One of a plurality of core bars is implemented with the mold during the manufacturing process to define a laterally extending recess of a same width across the lower major surface of a composite block.  Subsequently, the composite block is split along a midsection thereof to form a pair of identical blocks, each block having a laterally extending front lip and a laterally extending lower recess.   The depth  of  the recess  corresponds  to  the  setback of  a retaining wall formed therefrom.  The shallower the lower recess,  the greater the setback of the retaining wall formed therefrom.  Further, the present method facilitates creating a pair of blocks with a textured front surface to provide  an  aesthetically  pleasant  retaining  wall.  A plurality of core bars are available with different widths, and are used to form retaining wall blocks adapted to define retaining walls with setbacks from 0° to 12°.  The core bars can have a rectangular or trapezoidal cross section.    Each  formed  retaining  wall  block  has  core openings to reduce the weight thereof.
Patent CA-2134953-A1 (CA)
Inventor: GAUTHIER JEAN-PIERRE
IPC: A47C17/62
Filed: 1995-01-16
Abstract: Meuble de chambre à coucher servant à de multipes fonctions, soit pour l'étudiant de niveau primaire,secondaire,collegial et même universitaire. Pour espace restreint.
Patent CA-2136945-A1 (CA)
Inventor: KUO CHING-CHUAN
IPC: E05B13/00
Filed: 1994-11-29
Abstract: A lock assembly for a door includes an inner door handle to be mounted rotatably on an inner side of the door, an outer door handle to be mounted rotatably on an outer side of the door, a latch shaft unit including coaxial first and second latch shafts, each of which having a first end connected operably to a respective one of the inner and outer door handles and a second end coupled rotatably to other one of the first and second latch shafts, a locking member to be mounted on the outer side of the door for movement between a locking position in which the locking member locks the second latch shaft against axial rotation and a freeing position in which axial rotation of the second latch shaft is permitted, and a release unit to be mounted on the inner side of the door, the release unit being associated operably with the locking member and being operable manually from the inner side of the door to move the locking member  between the locking and freeing positions.
Patent CA-2137329-A1 (CA)
Inventor: AIKEN ALBERT
IPC: F16C35/077
Filed: 1994-12-05
Abstract: A structure for retaining a bearing cup mounted on a universal joint cross within an opening formed through an arm of an end yoke during use.  An external circumferential groove is formed about the outer surface of the bearing cup.  An internal circumferential groove is formed about the inner surface of the opening formed through the arm of the end yoke.  A recessed area is formed on a surface of the arm of the end yoke adjacent to the opening.  The recessed area is of sufficient depth that it extends below the internal groove formed within the opening.  Thus, a portion of the internal groove is exposed to the arm surface.  To retain the bearing cup within the opening, a snap ring having a central portion and a pair of leg portions is installed such that the leg portions extend into the internal groove formed in the opening.  The bearing cup is inserted within the opening until the external groove on the bearing cup is aligned with the internal groove formed in the opening.  When this occurs, the leg portions of the snap ring extend into both the external groove formed in the bearing cup and the internal groove formed in the opening.  The central portion of the snap ring is maintained within the recessed area formed in the surface of the end yoke arm.  As a result, access to the snap ring is maintained for easy removal when disassembly of the bearing cup from the end yoke arm is desired.
Patent CA-2137452-A1 (CA)
Inventor: PERNER JOHANN
IPC: A63C17/14
Filed: 1994-04-06
Abstract: In a braking device for roller skates (1), especially in-line (i.e. "single-track") roller skates, with a brake block (5) which is removably secured to the frame (2) or the boot (1), the brake block is mounted on the frame (2) or boot so as to pivot against the force of a spring (6), thus permitting gentle application of the brake. At the same time, maximum braking is possible if needed, due to a projecting part of the brake block (5) which is supported in a guide and can be applied to or moved against a roller, without risk of putting the skater off balance during braking.
Patent CA-2138707-A1 (CA)
Title: Eddy current brake equipment with torque estimation
Inventor: ESTAQUE MICHEL
IPC: H02P15/00
Filed: 1994-12-21
Abstract: The equipment includes a stator assembly and a rotor assembly adapted to be mounted on a transmission shaft of a vehicle, one of said assemblies including inductor windings and the other including an armature facing the inductor windings. The equipment further includes excitation means for selectively  exciting  the  inductor  windings  from  an electricity source of the vehicle in response to a power supply feed setting. Processor means are provided to estimate the braking torque that the equipment can provide as a function of the speed of rotation of the rotor assembly, of the temperature of the armature, and of the temperature of the inductor windings, and of at least one value for the power feed setting.
Patent CA-2139581-A1 (CA)
Title: Fixed plasma motor
Inventor: MOROZOV ALEXEI I
IPC: F03H1/00
Filed: 1992-09-01
Abstract: The plasma motor comprises a primary ionization and acceleration annular canal (24) delimited by parts (22) made of insulating material and open at its downstream end (225), at least one hollow cathode (40) associated with means (41) for supplying gas capable of being ionized, and an annular anode (25) concentric with said main annular canal (24) and placed at a distance from the open downstream end (225). An annular buffer chamber (24) which has, radially, a larger size than that of the main annular canal (24) extends upstream of the latter beyond the area in which is placed the annular anode (25). Means (26) for supplying gas capable of being ionized open upstream of the anode (25) through an annular distributor (27) into an area separated from the area carrying the anode (25). Means (31 to 33, 34 to 38) for creating a magnetic field in the main canal (24) are adapted to produce in said main canal (24) an essentially radial magnetic field having a gradient with maximum induction at the downstream end (225) of said canal (24).
Patent CA-2140423-A1 (CA)
Inventor: MCNAUGHTON JAMES
IPC: F16L37/088
Filed: 1995-01-17
Abstract: A quick connector (20) for forming a joint in a fluid line consists of a female connector body (24) having a bore which receives a male member (22). A sleeve (33) surrounds and is secured on the male member in close fitting relation with the male member and with the female connector body. A retainer (26) extends between the sleeve and a radial face formed in the connector body to secure the male member in the connector body. A secondary retainer provides enhanced retention capability. An optional plug may be positioned in the bore entrance to prevent introduction of external contaminants. <IMAGE>
Patent CA-2141219-A1 (CA)
Title: Re-useable aerosol container
Inventor: DEMAREST SCOTT W
IPC: B65D83/14
Filed: 1993-07-20
Abstract: A re-useable aerosol container (100) is disclosed. Such an aerosol container de-fines an aperture (114) and an inner chamber (104) for containing a fluid. The aerosol container includes an aerosol valve for dispensing fluid contained within the aerosol container. The aerosol container further defines a neck (132) surrounding the aperture and further includes a plug (134) defining a cavity that is removably insertable into the inner chamber via the aperture. The plug includes a collar (144) surrounding its cavity. The plug collar and the aerosol container neck are so relatively dimensioned andadapted as to be removably engageable in a fluid-tight manner when the plug cavity is inserted into the aerosol container inner chamber via the aerosol container aperture. The aerosol container further includes dry chemical formulation ingredients, disposed within the plug cavity (138, 140). Such dry chemical ingredients, when mixed with wa-ter, are able to produce gas, for purposes of pressurizing the fluid container chamber. The aerosol container still further includes a water-soluble membrane (146), remov-ably affixed atop the plug cavity, for retaining the dry chemical ingredients within the plug cavity.
Patent CA-2141637-A1 (CA)
Title: Dental floss display/dispenser
Inventor: FALLEIROS ALEXANDRE P
IPC: B65D75/36
Filed: 1995-02-01
Abstract: This invention concerns a container package for dental floss or tape that is both a dispenser and a display, for example, for points of sale.
Patent CA-2142969-A1 (CA)
Inventor: JANG JAEDUK
IPC: F16H61/16
Filed: 1994-06-21
Abstract: A hydraulic control system for 4-speed automatic transmission which is controlled by torque control hydraulic pressure and drive hydraulic pressure in regular succession and can provide a skip shift comprises a fluid pump (320, a pressure regulator valve (34) for the line pressure generated at the fluid pump (32), a plurality of frictional elements (108, 62, 120, 84, 94, 100, 126) actuated by drive hydraulic pressure or reverse hydraulic pressure in accordance with the position of a valve spool of a manual valve (58), a first transmission control portion (D) having at least two valves (78, 86, 98) for supplying hydraulic pressure to at least one of the frictional elements, and a second transmission control portion (E) for selecting at least one of the frictional elements.
Patent CA-2146295-A1 (CA)
Inventor: MORIN GILLES
IPC: B27L11/00
Filed: 1995-04-04
Abstract: An anvil for a wood chipper includes an anvil body having a top surface, a bottom surface, and longitudinally extending side surfaces between the top and bottom surfaces. At least one of the side surfaces is adapted to accept an insert shaped and dimensioned to fit into the adapted side surface of the body. Means within the body for firmly holding the insert in contact with the adapted side surface are also provided. The insert presents a leading edge functioning as the anvil's leading edge.
Patent CA-2147603-A1 (CA)
Title: Method for making retroreflectice sheeting
Inventor: OCHI KATSURA
IPC: E01F9/619
Filed: 1992-10-30
Abstract: A method for making retroreflective sheeting comprising the steps of placing a light-transmittable protective film on glass beads in a support sheet which consists of a binder layer and a reinforcing layer, and which is provided with retroreflective glass beads embedded in the binder layer, and thermoforming parts of the support sheet under heating and pressure so as to partially bond the binder layer of the support sheet to the protective film, which is characterized in that the reinforcing layer of the support sheet consists of a crosslinkable resin having shearing stress S in the range of 6 x 10 6 - 1.2 × 10 7 dyne/cm2 before the thermoforming. A retroreflective sheeting made by this method has a high uniformity of the joint portions of the support sheet and protective film. Even when this retroreflective sheeting is used outdoors for a long period of time, troubles including peeling-off of the protective film do not substantially occur. This retroreflective sheeting can be utilized extensively as a road sign board, a license plate for a vehicle, a sign board for construction work and an advertisement board.
Patent CA-2152802-A1 (CA)
Title: Yieldable confined core mine roof support
Inventor: FREDERICK JOHN R
IPC: E21D15/48
Filed: 1994-03-09
Abstract: A yieldable confined core mine roof support (7) including a container (I) and a filler (6) placed within the container. The container is yieldable and the filler is compressible.  The combination of a filler within a container produces a mine roof support which is yieldable under a substantially axial load and which increases in load carrying ability as it yields, impeding any decrease in the distance between a mine roof (2) and a mine floor (3), minimizing or preventing mine roof collapse and mine floor hcave, buckling or punching.
Patent CA-2153578-A1 (CA)
Inventor: JOSLIN BRADLEY D
IPC: B60B33/02
Filed: 1994-01-10
Abstract: An automatic locking mechanism (5, 6) is provided for enhancing the towability of castor-wheel vehicles (7). The mechanism leaves the castors (2) that are proximal to the towing force to rotate, while locking the distal castor in align-ment with the vehicle axis.