baber/WOPTO huggingface dataset:
Patent CA-1070727-A (CA)
Inventor: DAVIDSON CHARLES P D
IPC: B62M6/70
Filed: 1976-06-21
Granted: 1980-01-29
Abstract: ABSTRACT OF THE DISCLOSURE           An electrically assisted cycle wherein the electrical assistance is provided by an electric drive assembly carried on the frame of the cycle and powered by a battery also carried by the frame.  The output of the drive assembly is coupled to the driven wheel of the cycle so that operation of the electric drive assembly can propel the cycle.  The drive assembly is mounted on the frame for limited movement relative to the frame against the action of a resilient bias provided by rubber mounting bushes.  An electrical switch is operated by movement of the drive arrangement relative to the frame and the electrical switch is arranged in the energising circuit of the motor of the electric drive assembly.  The switch is operated by movement of the drive assembly from a rest position to a position wherein the rubber bushes are stressed.  Until the switch is so operated the motor cannot be energised.  Movement of the drive arrangement relative to the frmae is effected by the rider applying driving force to the pedal of the cycle.  Thus until the rider of the cycle starts to propel the cycle by pedalling to the electric motor cannot be energised to aid the rider.  Similarly should the rider cease pedalling then immediately the motor will return under the resilient bias to its rest position and the motor will be de-energised by opening of the switch.
Patent CA-1050395-A (CA)
Title: Hydraulic boom-lift system with selective speeds
Inventor: BROWN WILBURN K
IPC: B66C23/00
Filed: 1976-06-29
Granted: 1979-03-13
Abstract: ABSTRACT OF THE DISCLOSURE          Greater overall speed of crane operation is made possible by using a plurality of hydraulic piston-cylinder sets together with valving which can direct the pumped hydraulic fluid selectively to either of the cylinder sets or to both of them.  Preferably the two cylinder sets are of different speed-load characteristics so that the same supply of prepared oil will raise the boom faster when supplied to one than when supplied to the other.  When the boom must be raised with maximum load, the same oil supply will be directed to both cylinder sets, thereby giving the maximum lifting power with a given available oil pressure and the slowest raising speed.  The overall time required to accomplish a given task is reduced because most of the time the boom can be raised of lowered at a faster speed than that slow speed which must be provided for handling heaviest loads.  Speeds are selected by operating one or both of two handles to the up or down position, each handle controlling its own valve spool.  When only one handle is m wed to supply fluid under pressure, the other is moved to a "float"  position.  Each valve spool must therefore have a float position, but for safety an interlock prevents moving both spools to the float position simultaneously.
Patent CA-1077084-A (CA)
Title: Pipe coupling
Inventor: TASHIRO TEIZABURO
IPC: F16L19/00
Filed: 1976-08-10
Granted: 1980-05-06
Abstract: ABSTRACT OF THE DISCLOSURE          A compression coupling having a compression sleeve arranged between a coupling body and a clamping nut.  The end of the compression sleeve adjacent the clamping nut is formed with axially extending slots so that it may be radially compressed in the same manner as a collet onto a pipe inserted into the coupling by tightening the clamping nut.  The other end of the compression sleeve is formed with an annular projection received in a recess in the end of the coupling body and compresses an annular resilient packing arranged within the recess to establish a seal with the inserted pipe when the clamping nut is tightened.
Patent CA-1052105-A (CA)
Inventor: WILLIAMS MILLARD M
IPC: A01D41/14
Filed: 1976-09-17
Granted: 1979-04-10
Abstract: Abstract of the Disclosure Disclosed is a crop harvesting machine for collecting stalk crops having seed pods near ground level.  The harvester includes a horizontally disposed reel structure.  As the reel rotates, bat-assemblies thereon succes-sively urge the stalks of the crop against a cutter bar which severs them close to the ground.  The cutter bar and its associated sickle drive assembly accommodate the irregular variations in ground contour, by reason of the interposition of leaf springs between the cutter bar assembly and the cutter carrying platform.  When not required the flexible cutter bar feature can be disabled.  Sensing fingers mounted on the underside of the machine relay information to an automatic elevational control unit assuring that the cutter carrying platform closely follows the contour of the ground.
Patent CA-1067297-A (CA)
Inventor: BALLAS GEORGE C
IPC: A01D34/416
Filed: 1976-09-27
Granted: 1979-12-04
Abstract: LAWN MOWER            Abstract A rotary-type lawn mower is provided with cutting means comprised of a rotatable disc-like member having a plurality of flexible non-metallic cords projecting radially from its perimeter.  The disc-like member is rotated within the cutting plane by a suitable power source such as a conventional gasoline-driven engine, and at a velocity such that the projecting cords function to sever the grass in a substantially conventional manner.          The cords are therefore of a length and diameter which are functionally related to effective cutting and are mounted within the disc-like member in brackets formed to support the cords against vertical as well as lateral deflection resulting from contact with the grass sought to be cut.
Patent CA-1062569-A (CA)
Title: Capteur d'energie solaire a stockage in situ
Inventor: OQUIDAM BERNARD
IPC: F24S10/70
Filed: 1976-12-29
Granted: 1979-09-18
Abstract: L'invention a pour objet un capteur d'énergie solaire à stockage in situ.  Elle se caractérisé en ce que le bloc de stockage est constitué par deux panneaux isolants et, entre eux, une structure formée de deux parois ondulées, assemblées sur une partie de leur surface, le tout délimitant trois volumes indépendants.  L'un des volumes est relié à l'espace libre entre le bloc de stockage et le vitrage et constitue avec lui le circuit primaire.  Un autre volume est relié à l'organe d'utilisation et constitue avec lui le circuit secondaire.  L'invention s'applique au chauffage des locaux.
Patent CA-1075245-A (CA)
Inventor: SHAW CHONG-KUANG
IPC: C07D277/72
Filed: 1977-01-31
Granted: 1980-04-08
Abstract: IMPROVED PROCESS FOR PREPARATION OF        MERCAPTOBENZOTHIAZOLE               ABSTRACT OF THE DISCLOSURE          In the preparation of 2-mercaptobenzothiazole by the reaction of aniline, sulfur and carbon disulfide, less than desirable yields of 2-mercaptobenzothiazole are obtained and valuable reactants are lost in a tarry by-product residue co-produced.  These by-products must be removed from the mercaptobenzothiazole before the material is used commercially as an accelerator for the vulcanization of rubber.  An improved process with increased yields of mercaptobenzothiazole of high purity are obtained when the tarry reaction by-product produced in said process is separated from the mercaptobenzothiazole, benzothiazole distilled therefrom and reacted with sulfur and carbon disulfide to produce mer-captobenzothiazole.
Patent CA-1064547-A (CA)
Inventor: HULVERSON ADRIAN F
IPC: B62D53/00
Filed: 1977-03-11
Granted: 1979-10-16
Abstract: WEDGE TYPE TRAILER BODY            ABSTRACT OF THE DISCLOSURE          The disclosure relates to trailer or semi-trailer body of the wedge type having a horizontal roof and a rearwardly downwardly sloping floor providing a greater height at the rear opening than at the front. The body is of unique construction having the posts and front wall parallel to each other and at right angles to the underframing and lower rail. The roof and rear door frame are disposed at right angles to each other in horizontal and vertical planes respectively, the arrangement being such as to readily lend itself to mass production of the body.
Patent CA-1100494-A (CA)
Inventor: RASMUSSEN CHRIS R
IPC: C07D317/66
Filed: 1977-03-18
Granted: 1981-05-05
Abstract: ABSTRACT OF THE DISCLOSURE:          Heterocyclic derivatives of guanidine are disclosed which have the formula:         .           (I) wherein: n is the integer 1, 2 or 3; R1 is an alkyl, cycloalkyl, alken-2-yl, hydroxy-loweralkyl, aralkyl and aryl; R2 may be hydrogen, alkyl or aryl; R3 may be hydrogen, alkyl or aryl; R4 may be hydrogen, methyl or ethyl; R5 may be an alkyl, cycloalkyl  or aryl or substituted aryl;            -N?   taken together may be a 3- to 7-membered saturated heterocyclic ring; and R may be an alkyl, cocloalkyl, bicycloalkyl, bicycloalkenyl, tricycloalkyl, arylalkyl, diphenylalkyl, fused diarylcycloalkenyl, fused arylcycloalkyl, phenylcycloalkyl, cycloalkylcycloalkyl, phenyl and substituted phenyl, 3-pyridyl and substituted 3-pyridyl and 5-membered heterocyclics. The derivatives have been found to have anti-secretory and hypoglycemic activity.
Patent CA-1106456-A (CA)
Inventor: FARNEY GEORGE K
IPC: H01J23/24
Filed: 1977-05-05
Granted: 1981-08-04
Abstract: PATENT APPLICATION of George K. Farney for HIGH GAIN CROSSED FIELD AMPLIFIER     ABSTRACT     The allowable gain of a crossed-field amplifier tube is increased by tapering the slow-wave interaction circuit to a smaller spatial period in the direction of circuit power flow.          Concurrent variation of the electron beam drift velocity by tapering the dc electric or magnetic field further improves the gain and efficiency.     rbn2D40776            - 1 -
Patent CA-1050453-A (CA)
Inventor: BEHLE GUNTER R
IPC: F16K27/07
Filed: 1977-05-10
Granted: 1979-03-13
Abstract: BOTTOM OPERABLE AIR INLET AND OUTLET VALVE          Gunter R. Behle St. Charles, Missouri Abstract of the Disclosure An air inlet and outlet valve is located in the bottom of a tank so that the operator need not climb to the top of the tank to operate the valve.  A conduit extends from the valve to the top of the tank.  A stilling well is mounted inside the top of the tank.  A ball which is lighter than the lading is mounted in the stilling well.  The stilling well includes openings allowing air to enter or leave the tank through the conduit when the ball is in an unseated position in the stilling well.  Lading contacting the ball moves the ball into a seated position which blocks the entrance to the conduit and prevents lading from entering the conduit, going down through the conduit to the valve at the bottom of the tank, and discharging from the conduit when the operator opens the valve.
Patent CA-1069788-A (CA)
Inventor: GOLOFF ALEXANDER
IPC: F01L3/22
Filed: 1977-05-26
Granted: 1980-01-15
Abstract: A B S T R A C T         An engine cylinder head has valves reciprocally mounted thereto, each valve having a head which is seatable against a seat.  The seat is recessed in a cylindrical bore defined by the head, the outer periphery of the head being in close proximity to the surface of the bore, with the head on the seat.  The valve apparatus maintains a substantially closed valving state as the head is moved from the seat, until the head is removed from the bore.
Patent CA-1086767-A (CA)
Inventor: HAEBERLEIN HARALD
IPC: C08K5/52
Filed: 1977-05-27
Granted: 1980-09-30
Abstract: Abstract of the disclosure:           The present invention is related to novel phosphites, their use as stabilizers for organic polymers, furthermore to stabilizer compositions containing those novel phosphites as well as the organic polymers being stabilized therewith.      The novel phosphites have a good stabilization effect, especially in combination with known stabilizers, and they are substantially stable against hydrolytical influence.  Their volatility and tendency to exudation are very weak.
Patent CA-1061119-A (CA)
Inventor: KRYGIER EDWARD Z
IPC: B24B53/08
Filed: 1977-06-14
Granted: 1979-08-28
Abstract: ABSTRACT OF THE DISCLOSURE           A trimmer for a grinding wheel comprising two tem-plates operable sequentially to effect movement of a diamond trimming point to produce a cross-sectional curve on the grinding wheel in the form of a modified involute or the like.
Patent CA-1110395-A (CA)
Title: Epoxide resin mixtures
Inventor: ZAHIR SHEIK A
IPC: C08G59/00
Filed: 1977-06-15
Granted: 1981-10-06
Abstract: Abstract of the Disclosure The invention relates to storage-stable, thermosetting mixtures which contain polymaleimides, epoxide compounds having at least one allyl group, and, optionally, curing agents for epoxide compounds, and/or curing accelerators for epoxide resin mixtures. These mixtures can be converted by curing into high-polymers which have excellent electrical properties (especially at high temperatures) and very good thermal properties.
Patent CA-1086293-A (CA)
Inventor: VAUGHAN DAVID E W
IPC: C01B39/02
Filed: 1977-06-16
Granted: 1980-09-23
Abstract: PROCESS FOR PREPARING               SYNTHETIC FERRIERITE    Abstract of the Disclosure An improved process for preparing synthetic ferrierites having the absorption and catalytic properties characteristic of 5 to 8 angstrom zeolites which comprises promoting by a reaction mixture composed of salts of Group I and Group II cations of the periodic table with lithium salts.  The promoted reaction mixture is seeded with natural or synthetic ferrierite seeds, and heated to con-vert the mass to the synthetic ferrierite.          The product has the emperieal formula, 0?1 to 0?9 Li2O:0O?1:O?9 R2O:Al2O3:6 to 25 SiO2 wherein R2O is Na2O, K2O, or Rb2O and/or Cs2O.  0?1 to 0?9 Li2O: 0?1 to 0?9 MO:A12O3:6 to 25 SiO2 wherein MO is BaO, CaO, MgO or SrO, or (Li2O:R2O:WO):Al2O3:6-25 SiO2 where R2O is any R2O above and MO is any MO above.
Patent CA-1080378-A (CA)
Inventor: CHEN MARK C
IPC: C08L27/00
Filed: 1977-06-20
Granted: 1980-06-24
Abstract: ABSTRACT           Ozone resistance of vulcanized chloroprene homo-polymers and copolymers, chlorinated isobutylene/isoprene copolymers, and blends of any of the above with up to equal weight of styrene/butadiene copolymer or natural rubber is improved by incorporating into the polymer or polymer blend prior to vulcanization about 0.5-5 parts per 100 parts by weight of polymer or polymer blend of one or more of bis(5-norbornene-2-methyl) phosphite, tris(5-norbornene-2-methyl) phosphite, and tris(5-norbornene-2-methyl) phosphate.         These esters also improve the flex resistance of chloroprene copolymers with sulfur and their blends with styrene/butadiene copolymers or natural rubber.  In addition to improving ozone and flex resistance of the above polymers and polymer blends, these esters do not cause staining or discoloration of the vulcanized polymers.
Patent CA-1083881-A (CA)
Inventor: FAIRBAIRN NORMAN J
IPC: A23L27/10
Filed: 1977-08-25
Granted: 1980-08-19
Abstract: ABSTRACT This invention relates to an improved process for the separation and recovery of coffee aroma constituents from roasted coffee. A higher recovery of volatile aroma components from ex-pressed roasted coffee may be obtained than previously possible by the process which comprises adding a lipophilic or oleaginous substance in liquid form to roasted coffee, subdividing the roast-ed coffee and then separating the aromatized lipophilic or oleaginous substance from the subdivided roasted coffee.
Patent CA-1043412-A (CA)
Inventor: GROOTHOFF ADRIAAN J
IPC: H01J29/70
Filed: 1977-09-07
Granted: 1978-11-28
Abstract: ABSTRACT             In picture display tubes having deflection angles of 110° and more the conical central part near the transition to the neck has a substantially flat variation perpendicular to the tube axis.  As a result of this an accurate positioning of the deflection device on the display tube is seriously hampered.  this problem is solved by centering members which are present on the conical central part and which cooperate in a self-centring manner with centring members forming part of the supporting cage of the deflection device. The position of the deflection device in the axial direction is ac-curately fixed by abutment members forming part of the supporting cage in co-operation with abutment surfaces forming part of the envelope of the tube.
Patent CA-1084322-A (CA)
Inventor: SCHIFFMAN MURRAY M
IPC: G03F7/24
Filed: 1977-10-04
Granted: 1980-08-26
Abstract: METHOD AND APPARATUS FOR TRANSFERRING          A DESIGN TO A FLAT OF ARCUATE SURFACE     ABSTRACT OF THE DISCLOSURE          Method and apparatus for transferring a design by projecting the design onto a flat or arcuate surface and etching and/or selective plating.  The design is trans-ferred to the image surface by passing light through a transparency, ox by reflecting illuminating light from a surface, bearing the design in rectangular-coordinate form such that the design is projected upon and received by corresponding areas of an image surface which is or has been photosensitized.  The design appears on a flat image surface in a foreshortened circular form, and is adapted for subsequent formation into an arcuate surface bearing the design in undistorted form.  The design also may be projected either directly, or from a flat image surface transparency, upon an arcuate image surface in undistorted form.
Patent CA-1090937-A (CA)
Inventor: HOSAKA SHUNTARO
IPC: C08F20/10
Filed: 1977-10-31
Granted: 1980-12-02
Abstract: CROSS-LINKED POLYMER COMPOSITION FOR                 USE IN SOFT CONTACT LENSES     ABSTRACT OF THE DISCLOSURE        Provided is a cross-linked polymer composition which can be in a transparent polymeric gel form having an equilibrium water content of at least 60 wt.% for use in soft contact lenses.  The cross-linked polymer composition is prepared by polymerizing, using a bulk polymerization procedure, a monomer mixture comprising an alkyl methacrylate and an N-vinyllactam in the presence of a cross-linking agent comprising at least one compound selected from vinyl acrylate, vinyl methacrylate, triallyl isocyanurate and vinyl carboxylates expressed by the formula:       R?COOCH = CH2)n where R is a hydrocarbon radical having 1 to 10 carbon atoms and n is an integer of 2, 3 or 4.
Patent CA-1048402-A (CA)
Inventor: MARCONI JOSEPH
IPC: B21D28/14
Filed: 1977-11-03
Granted: 1979-02-13
Abstract: ABSTRACT OF THE DISCLOSURE      A die holder for punch presses for placement in a die set is described.  It consists of a die element retained by a frame member supported on pads secured to a die block.  A sliding support between the die element and the die block is provided, reinforcing the die upon impact of the punch.          The frame member is undercut, permitting saving of material and distribution of mass at points of maximum stress.
Patent CA-1103585-A (CA)
Inventor: AZRIA MOISE
IPC: A61K9/00
Filed: 1977-11-16
Granted: 1981-06-23
Abstract: A NASAL PHARMACEUTICAL COMPOSITION            Abstract of the Disclosure:             The present invention provides a nasal pharmaceutical composition comprising as active agent a compound of formula I,                         I wherein R1 is hydrogen or halogen, R2 is hydrogen or alkyl of 1 to 4 carbon atoms, either (i) R 3 is isopropyl, sec-butyl, or isobutyl, R4 methyl, ethyl or isopropyl and R5 is hydrogen and R6 is hydrogen or methoxy or R5 and R6 are together a single bond, or (ii) R3 is benzyl, R4 is methyl, R5 is hydrogen and R6 is hydrogen or methoxy, in association with a pharmaceutically acceptable carrier or diluent, adapted for nasal administration.
Patent CA-1096462-A (CA)
Inventor: ZENK GEORGE E
IPC: H01H13/702
Filed: 1977-11-21
Granted: 1981-02-24
Abstract: ABSTRACT OF THE DISCLOSURE A location sensitive touch panel for use on a rigid substrate. The substrate carries a first set of conductive strips.  A resilient plastic membrane overlaying it carries a second set of conductive strips orthogonal to and spaced from the first set.  Finger pressure can cause electrical con-tact between any one of the first set of strips and any one of the second set of strips.  The substrate may be either flat or curved, with the membrane con-forming to its contour.
Patent CA-1109394-A (CA)
Inventor: DE JAGER EVERT
IPC: A61K31/57
Filed: 1977-11-21
Granted: 1981-09-22
Abstract: ABSTRACT OF THE DISCLOSURE         A novel method of human female contraception is dis-closed wherein, (1) in a first phase starting on about the ninth to about the twelfth day of the female cycle (first day of the cycle being first day of menstruation) an effective amount of one or more suitable progestagenic substance(s) is administered in daily or shorter intervals for about three to about six days, followed at substantially similar intervals by (2) a second phase administration for about one to about three days starting from a-bout the fourth to about the seventh day after the first phase of a substance having both an effective amount of the suitable pro-gestagenic substance(s), together with a peptide possessing LHRF          (Luteinizing Hormone Release Factor), which may be called an LHRF analogue, followed by (3) a third phase administration of an ef-fective amount of the progestative substance(s) until the total time of the progestative substance administration with and with-out the LHRF compound is from about seven to about fifteen days.          A new contraceptive preparation or pack is disclosed comprising a suitable number of dosage units ranging from about seven to a-bout fifteen corresponding with the total time abovementioned, of which the first three to six dosage units contained as hormonal compound only an effective amount (generally about 0.01 mg to 2.5 mg per unit) of a suitable progestative substance, followed by one to three dosage units containing an effective amount of a suitable orally LHRF active peptide (generally from about 0.1 to 25 mg per unit of LHRF analogue) in addition to the noted level of progestational substance, with the remaining dosage units again containing only the progestational substance at the level noted.          This contraceptive method together with the preparation or pack prevent a deviation from the normal hormonal pattern while at the same time avoiding nausea, weight increase, and irregular bleed-ings, etc.
Patent CA-1087902-A (CA)
Inventor: BEALE ELDEN C
IPC: A01B39/20
Filed: 1978-01-20
Granted: 1980-10-21
Abstract: ABSTRACT OF THE DISCLOSURE          A weeding rod unit arranged in combination with a plow which embodies a plowshare and a shank upstanding from the plowshare for attachment to a tractor-drawn tool bar; the weed-ing rod unit comprising an arm secured to an projecting rear-wardly from the shank adjacent but above the plowshare, indi-vidual spring rods projecting laterally and oppositely out-wardly from the arm in a plane to run in weeding relation at or slightly below ground level when the plowshare is at work-ing depth, and said oppositely projecting rods being integral with and emanting from a vertical-axis spring coil fixedly se-cured to said arm.
Patent CA-1079253-A (CA)
Inventor: SEGER FRITZ O
IPC: F16K3/34
Filed: 1978-01-26
Granted: 1980-06-10
Abstract: ABSTRACT OF THE DISCLOSURE           The disclosure relates to a controllable valve structure, for throttling liquids under high pressure in a manner to minimize cavitation damage to the valve parts.  The valve structure in-cludes a cylindrical trim cage surrounding the valve seat and plug and formed with a relatively large multiplicity of passages for the radially inward flow of liquid.  The orifices are so shaped and contoured that the effective throttling orifice of each is formed as close as practicable to the inner wall of the trim cage, causing formation of vena contracta in regions spaced as far as practicable from the walls of the trim cage.  This re-duces damage resulting from cavitation and correspondingly in-creases the useful operating life of the valve.  In conjunction with the foregoing, the end face of the valve plug is recessed in the areas circumscribed by the annular valve seat, such that the inwardly displaced vena contracta are also displaced axially relative to the end face of the valve plug, minimizing cavitation damage to the plug, as well as to the trim cage.  A specific valve construction is also disclosed, which achieves the theoretical objectives mentioned above which is, at the same time, capable of practical, economical manufacture.