baber/WOPTO huggingface dataset:
Patent CA-1200732-A (CA)
Inventor: LUKE JOHN A
IPC: A24D3/04
Filed: 1983-08-16
Granted: 1986-02-18
Abstract: ABSTRACT        The invention concerns a smoking-article ventilated filter element, comprising a plug of fibrous filtration material wrapped in a wrapper of which at least a portion extending to an end of said element has been removed by the action of heat on moving said element and a heated means relatively to and in contact with each other.  The removal of wrapper may expose filtration material underlying said wrapper or a further intermediate wrapper, if present.      The first named wrapper may be of a material of a thermoplastic character or comprising a proportion of thermoplastic fibres.  The invention also concerns a smoking article comprising a rod of smoking-material, a filter-plug element and a tipping wrapper serving to interattach said rod and plug element, which element comprises fibrous filtration material wrapped in a wrapper of which at least a portion extending to the mouth end of said element has been removed in the aforesaid matter to provide ventilation air-distribution channel means bounded by said tipping wrapper and Opening at said mouth end, and said tipping wrapper permitting ingress of ventilation air into said channel means upstream of said mouth end.  The channel means may be constituted by at least one groove extending parallel to the axis of the element or helically and the tipping wrapper may be provided with a ring of spaced ventilation perforations disposed to communicate with said grooves at an upstream region thereof.  The channel means may be extended from an annular groove.      If there is a further intermediate wrapper, at least a portion thereof may have been removed by the action of heat.  The further wrapper  may be of substantially zero air permeability..      Two said channel means may follow helical intersecting paths with intermediate portions of wrapper material bonded to underlying filtration material.
Patent CA-1201300-A (CA)
Inventor: BRUNSTING ALBERT
IPC: G01N21/78
Filed: 1983-08-26
Granted: 1986-03-04
Abstract: Abstract Reflectance apparatus is disclosed for obtaining measurement of nonspecular reflected light in which one or more light sources and one or more detectors are mounted together on the same plane surface in close proximity to each other at an angle (?) from the normal to the surface of the specimen holder.  Angle (?) is selected such that the specular reflection at the surface of the specimen is insignificant compared to the minimum diffused reflection expected from the specimen.
Patent CA-1198969-A (CA)
Inventor: BARANCZUK RICHARD J
IPC: G01N33/74
Filed: 1983-09-19
Granted: 1986-01-07
Abstract: PROCESS FOR PREPARATION OF CONTROL FOR USE IN ESTROGEN RECEPTOR TEST                              Abstract A process is disclosed for producing steroid hormone receptor samples to be utilized as controls during assays of various human tissue for steroid hormones, especially estrogen.  The process comprises collecting tissue known to include such receptors, adding a buffer solution to the tissue, homogenizing the tissue and buffer solution, centrifuging the homogenized mixture, and thereafter collecting the supernatant.  The supernatant which contains the desired receptors is subdivided into suitable control sample size and preferably lyophilized to a flake.
Patent CA-1213048-A (CA)
Inventor: JANSEN GERARDUS L M
IPC: G11B21/02
Filed: 1983-10-19
Granted: 1986-10-21
Abstract: ABSTRACT:              An apparatus for recording and/or reading infor-mation on an optically readable disc (3) comprises a car-rier (6) which can be driven along a first axis (4) in order to move a lens system (1), which is arranged on the carrier relative to the disc.  The lens system is also driven along the first axis by drive means (33) which act directly, i.e. not via the supporting means (21, 22) in order to minimize the load exerted on these supporting means.
Patent CA-1211307-A (CA)
Title: Electrographic developer composition and method for  using the same
Inventor: MISKINIS EDWARD T
IPC: G03G9/107
Filed: 1983-11-07
Granted: 1986-09-16
Abstract: ELECTROGRAPHIC DEVELOPER COMPOSITION     AND METHOD FOR USING THE SAME  Abstract of the Disclosure An electrographic, two-component dry devel-oper composition comprising charged toner particles and oppositely charged, magnetic carrier particles, which (a) comprise a magnetic material exhibiting "hard" magnetic properties, as characterized by a coercivity of at least 300 gauss and (b) exhibit an induced magnetic moment of at least 20 EMU/gm when in an applied field of 1000 gauss, is disclosed.         The developer is employed in combination with a magnetic applicator comprising a rotatable magnetic core and an outer, nonmagnetizable shell to develop electrostatic images.
Patent CA-1220159-A (CA)
Inventor: STORIMANS FRANCISCUS J A
IPC: H05K13/02
Filed: 1983-11-22
Granted: 1987-04-07
Abstract: ABSTRACT         In a machine for use in shaping the leads of electronic components having a component transporter for transporting components from a loading station to a lead forming station the improvement wherein the component transporter comprises a pair of discs each having a resiliently flexible peripheral edge portion in which a plurality of lead receiving notches are formed. A plurality of edge separation slots extend inwardly from the peripheral edge of each disc, one on either side of each receiving notch thereby subdividing the peripheral edge portion into a plurality of independently flexible segments.  Magnets are provided to deflect successive segments laterally away from one another during passage through the loading station to widen the gap between the segments to receive the body of a component therebetween and thereafter permit the successive segments to move toward one another to clamp in the body of a component therebetween with its leads projecting through the notches. A loading wheel is also provided. The loading wheel has a peripheral edge formed with a plurality of component recesses.          The loading wheel is mounted to rotate with its peripheral edge overlapping a length of the peripheral edge portion of the discs during passage through the loading station.  A pair of guide rails are arranged one on either side of a slipway which intersects the path of travel of the component recesses of the loading wheel assembly as they pass through the loading station.
Patent CA-1200671-A (CA)
Inventor: SMITH THOMAS L
IPC: E04D13/068
Filed: 1984-02-07
Granted: 1986-02-18
Abstract: ABSTRACT OF THE DISCLOSURE          The present invention relates to an evestroughing structure comprising a gutter section and a connector member at one end of the gutter section with the other end of the gutter section being free for connection with further evestroughing structures.  In accordance with the present invention the gutter section and connector member are secured to one another to enable a single mounting for the structure comprising both the gutter section and the connecting memeber, with the overall structure preferably having a length of about 60 inches which makes the structure compatible for both transport and mounting.
Patent CA-1224907-A (CA)
Inventor: KELLER ROBERT R SR
IPC: E04C2/34
Filed: 1984-04-03
Granted: 1987-08-04
Abstract: ABSTRACT     A curvilinear structural insulating panel that is comprised Or a plurality of slotted beam members that are deformed to a preselected radius or radii Or curvature, end beam members that connect to the slotted beam members at their ends and flexible sheets that connect to the beam members and provide a hollow, air filled panel, and a method for making the same.
Patent CA-1240724-A (CA)
Inventor: BABB JOHN H JR
IPC: E05B15/02
Filed: 1984-04-04
Granted: 1988-08-16
Abstract: ABSTRACT OF THE DISCLOSURE        A forced entry inhibiting strike plate assembly for a door jamb on door support framing studs comprising a strike plate having an enlarged opening to receive a lock bolt, and smaller openings to receive fastener screws; elongated fastener screws for mounting the strike plate; elongated steel bushings for extending through the door jamb and into the door support framing studs and receiving the screws; and the screws having a length substantially longer than the bushings to extend through the bushings in the door jamb and be threaded into the door support framing.
Patent CA-1242397-A (CA)
Inventor: EBELING OLAVI
IPC: E04D13/04
Filed: 1984-04-13
Granted: 1988-09-27
Abstract: Abstract The invention relates to a waste screen for roof drain-age outlet, which is located substantially in the plane of the roof and consists of an outlet opening in the roof and a plate covering said opening, of which plate the circumference and vertical distance from the roof plane are such that at least at dimensioning flow amount air is prevented from being sucked in beneath the plate edge and, thus, the gap between the plate and roof plane constitutes the outlet port. One object is now to ensure that the water on its passage  from the pitch to the outlet opening always passes the outlet port, which ensures that in dimensioning cases the filling degree for the outlet opening, and thus the outlet, is one, i.e. the outlet opening and subsequent pipe are entirely filled with water. For achieving this object, the screen extends about the circumference of the plate (4) and comprises a screen wall (7), which extends from the roof plane (1) to a plane above said plane through the circumference (circumferential edge) of the plate (4). A through-flow wall (11) is provided which extends from here to the upper surface of the plate (4), which walls (7 and 11) are joined along their upper surfaces which, thus, constitute an overflow edge inward to the upper surface of the plate (4).
Patent CA-1234379-A (CA)
Inventor: LEYMANN FRIEDHELM
IPC: F16M11/32
Filed: 1984-05-07
Granted: 1988-03-22
Abstract: ABSTRACT      A stand for a display terminal and keyboard comprising a table-like plate for the terminal, tiltably mounted on a guide means, and a shelf for said keyboard which slides into and out of said guide means.  The guide means is rotatably mounted on a carriage which rolls on a horizontal rail.  The display terminal and the keyboard can be rotated in any direction and moved along the rail so that they are accessible to two users working beside the stand.  Additionally, the keyboard may be moved independently toward and away from the display terminal to accommodate the user.
Patent CA-1211929-A (CA)
Inventor: GUPTA ARUNAVA
IPC: H01L21/225
Filed: 1984-05-15
Granted: 1986-09-30
Abstract: ABSTRACT                 STABLE SUSPENSIONS OF BORON, PHOSPHORUS, ANTIMONY AND ARSENIC DOPANTS Semiconductor doping compositions comprising a sus-pension of (a) a dopant material, in the form of finely divided spherical particles, such as PxSiy or BxSiy wherein x and y vary from 0.001 to 99.999 mole percent, (b) an effective amount of a thermally degradable polymeric organic binder such as polymethyl methacry-late; and (c) an amount of an organic solvent, such a cyclohexanone, sufficient to dissolve said polymeric organic binder, such as polymethylmethacrylate, and to disperse said dopant material are disclosed.  Three one-step diffusion processes using the semiconductor doping compositions of the present invention for preparation of semiconductor materials having a wide range of sheet resistances and junction depths are also disclosed.  The dopant materials selected for the semiconductor compositions of the present invention are less sensitive to moisture and chemical degradation and thereby afford greater processing latitude, are more reproducible and are less prone to create damage to and/or staining of the semiconductor substrate.
Patent CA-1223088-A (CA)
Inventor: SCHOOFS FRANCISCUS A C M
IPC: H01L29/78
Filed: 1984-06-13
Granted: 1987-06-16
Abstract: ABSTRACT:           A semiconductor device comprising a field effect transistor of the D-MOS type which is composed of sub-structures and in which further surface zones are provided in the intermediate space between the regularly arranged substructures in order to improve the field distribution in the semiconductor body, as a result of which the break-down voltage of the transistor is increased.  The further surface zones can be provided without additional processing steps being required during the manufacture and need not be contacted at the main surface
Patent CA-1217585-A (CA)
Inventor: MARUBASHI AKIRA
IPC: G08B5/00
Filed: 1984-07-19
Granted: 1987-02-03
Abstract: ABSTRACT OF THE DISCLOSURE         An elevator display system employs an optical fiber 10 for transmitting image display information between devices at an elevator boarding site and a control panel installed in a machine room via modulated laser.          At the boarding site the beam is deflected in an X, Y scanning mode and passed onto a half-mirror beam splitter 14.  One portion exiting the mirror is directed to a view-ing screen 6 to display the desired image, while another portion is converted to a power supply signal by an ele-ctrooptical transducer 15 for driving the display deflec-tion circuits, thereby eliminating the need for electrical wiring between the control panel and the boarding site.
Patent CA-1227513-A (CA)
Inventor: KRAMER THOMAS
IPC: B60J5/06
Filed: 1984-08-23
Granted: 1987-09-29
Abstract: ABSTRACT Closing Means for Trucks To   close  the   opening (15)   of   the   load compartment (14) of a truck, one end of a tarpaulin (20) is fixed above the opening (15), while its other end comprises a hooking means (24) that can be firmly hooked in the lower end of the opening (15).  The tarpaulin (20) is provided with holes (25) through which the traction elements (18)  are threaded.   The latter are wound on tension rollers (17)  contracting the tarpaulin (20)  to form a parcel.   To close the opening (15), the hooking means (24)  is  hooked to catch the  lower end of the opining (15).   By inflating a cushion (23)  over which the  tarpaulin (20)  is  guided,  it  will be  stretched accordingly.
Patent CA-1231736-A (CA)
Title: Golf club shafts with matched frequencies of  vibration
Inventor: MASGHATI MOHAMMAD
IPC: A63B59/00
Filed: 1984-09-21
Granted: 1988-01-19
Abstract: GOLF CLUB SHAFTS WITH MATCHED FREQUENCIES OF VIBRATION  Abstract of the Disclosure A set of golf club shafts for a set of golf clubs is made so that the natural frequencies of vibration of the shaft for the various clubs are matched.  Each of the shafts includes a butt portion, a tip portion, and a plurality of stepped portions between the butt portion and the tip portion.          The length of the butt portion, the length of the tip portion, and the length of all of the stepped portions except one is the same for all of the shafts.  The length of said one stepped portion of each shaft is selected to provide the shaft with the desired natural frequency of vibration, and the difference in the overall length of two shafts corresponds to the difference in the lengths of said one stepped portion of the two shafts.          The torsional resistance of each shaft is increased without increasing the weight of the shaft by providing a shaft with relatively large inside and outside diameters and a relatively small thickness.
Patent CA-1236405-A (CA)
Inventor: GUNDRY KENNETH J
IPC: H04B1/62
Filed: 1984-10-05
Granted: 1988-05-10
Abstract: ABSTRACT This invention is advantageous for reducing noise introduced by a transmission medium whose noise level rises with the signal level in the medium.  The spectral emphasis circuit of the invention analyzes the spectral composition of an input signal and generates an emphasis control signal which indicates the spectral composition of the input signal and the regions in the frequency spectrum, if any, where the predominant components of the input signal are concentrated.  The emphasis control signal is substantially independent of the amplitude of the input signal.  The emphasis control signal is also limited by a limitation circuit to a desired bandwidth.  The spectral emphasis circuit further comprises means for altering the spectral composition of the input signal by applying to the spectral components of the input signal, emphasis of varying amounts as a function of the emphasis control signal.  A delay circuit delays the input signal relative to the emphasis control signal so that the input signal reaches the spectrum altering circuit when the emphasis control signal is available for controlling the emphasis applied.  The spectral de-emphasis circuit restores the spectral composition of the input signal.  The spectral de-emphasis circuit comprises means for deriving a de-emphasis control signal of limited bandwidth from the emphasis control signal.  The de-emphasis circuit further includes means for applying de-emphasis to the spectral components of the altered signal as a function of the de-emphasis control signal.  The de-emphasis applied by the restoring means is comple-mentary to the emphasis applied by the spectral emphasis circuit.  Since the de-emphasis control signal has a limited bandwidth, the de-emphasis applied can only change slowly.  The effect of transmission errors is reduced.  The emphasis control signal also has a limited bandwidth.  Hence both the emphasis and de-emphasis change slowly, and the system is tolerant of component and timing errors as well.
Patent CA-1241357-A (CA)
Inventor: HUPPEE ROBERT
IPC: F16L33/00
Filed: 1984-12-12
Granted: 1988-08-30
Abstract: ABSTRACT OF THE DISCLOSURE       A connector sealingly engageable within the end of a flexible tubing or hose carrying a pressurized fluid.  The connector is a rigid tubular body having peripheral gripping barbs.  The outer end of the connector is fitted with an O-ring sealing the tubing over the connector.  The end portion of the tubing surrounding the barbs is vented to the outside.
Patent CA-1236563-A (CA)
Title: Technique for suppression of flicker in interlaced video images
Inventor: MITCHELL JOAN L
IPC: H04N5/21
Filed: 1985-01-25
Granted: 1988-05-10
Abstract: ABSTRACT OF THE DISCLOSURE    A method, embodying the present invention, for suppressing the perception of flicker in interlaced video images, includes the steps of: testing, each pixel in an image, for an intensity value below a first predetermined threshold; modi-fying, for each tested pixel, an intensity value representation for each nearest neighbor pixel along a first axis of said interlaced image having an intensity value exceeding a second predeter-mined threshold, if the intensity value of the tested pixel is below the first predetermined threshold; displaying, on a video display device, an interlaced image generated by the steps of testing and modifying, having a suppressed percep-tion of flicker.
Patent CA-1243600-A (CA)
Inventor: JOHNSON DAVID J
IPC: E21B33/038
Filed: 1985-09-04
Granted: 1988-10-25
Abstract: ABSTRACT     A connector useful in releasably connecting well servic-ing equipment to wellheads.   A male connector member houses resilient seals sealingly engageable in the female member on connection.  The female connector member houses radially move able dogs which may be locked in connecting engagement in a groove on the male connector by a lock sleeve longitudinally moveable over the dogs.  The sleeve is longitudinally moveable in response to pressure and is biased toward dogs locked posi-tion and may be retained there by application of pressure through a first inlet in the sleeve.  The female connector houses a pressure lock which prevents movement of the lock sleeve on application of pressure to a second lock sleeve inlet, if there is pressure in the connector bore.  The connector is releasable for disconnect when there is no pressure in the connector bore and pressure is applied through the second lock sleeve inlet, moving the sleeve longitudinally to allow the dogs to be cammed out of engagement with the male connector groove, when the female connector is moved to disconnect.
Patent CA-1264002-A (CA)
Inventor: HETHERINGTON MICHAEL W
IPC: A47L7/00
Filed: 1985-09-05
Granted: 1989-12-27
Abstract: Abstract A  portable  vacuum  surface  cleaning  apparatus  for taking up and recovering fluids such as liquids and debris, from floors or carpets that includes a recovery chamber portion  having  a top opening  therein  and  an  extended passageway in convoluted form having an inlet orifice at one end and an outlet at the other end and communicating with the recovery chamber portion through the top opening only and in a region intermediately between the inlet orifice  and  the  outlet,  with  the  outlet  placed  in; communication with a centrifugal fan to establish a partial vacuum  within  the  extended  convoluted  passageway  and recovery chamber portion; the motor driving the centrifugal fan also selectively driving a rotary brush for cleaning surfaces through a reciprocable clutch mechanism utilizing a rotary switch mechanism; and an integral receptacle and associated lever actuated device for dispensing cleaning solution from a  replaceable  container or  capsule that includes an integral dispensing valve.
Patent CA-1222942-A (CA)
Inventor: PERLMAN WILLIAM
IPC: E21B43/27
Filed: 1985-12-02
Granted: 1987-06-16
Abstract: ABSTRACT OF THE DISCLOSURE     An  improved method of multiple-stage hydraulic fracturing of coal seams to improve the rate and total recovery of gas therefrom.  In one aspect, the improvement comprises completing the well with 7-inch or larger casing and 3-1/2 inch or larger tubing.  In another aspect, the stagewise fracturing is continued until the following quantity of 60-140 mesh proppants has been deposited in the formation: for  5 ? h < 10, m ? 500,000; for 10 ? h < 15, m ? 750,000; for 15 ? h < 20, m ? 1,000,000; for 20 ? h < 25, m ? 2,000,000; and for      h > 25, m ? 3,000,000; wherein h is the vertical thickness of the coal seam in feet and m is the minimum quantity of the fine proppants in pounds deposited therein.  In another aspect, a coal seam fractured by the multiple-stage method is refractured after producing or shutting in the well for a period of time to permit closure of the fractures on the proppant placed therein in the earlier multiple-stage fracturing of the coal seam.
Patent CA-1258887-A (CA)
Inventor: TUHY FRANK P JR
IPC: H03K19/082
Filed: 1985-12-17
Granted: 1989-08-29
Abstract: Abstract of the Disclosure A signal chip, bipolar logic circuit receives input signals in a differential amplifier or comparator stage coupled, without saturation, by differential current mirrors to drive an output stage of the push-pull variety. Various circuit arrangements are included to keep other bipolar transistors out of their saturation operating regions, and master transistors of the current mirror are provided with trickle bias when in the operating state to hold them at a turn-on threshold for fast responses to changes in state of the digital signals.