baber/WOPTO huggingface dataset:
Patent GB-425965-A (GB)
Title: Device for intra-rectal radiography and projection- or centering-frame
IPC: A61B1/04
Filed: 1933-06-19
Abstract: 425,965. Inter-rectal radiography. SABOT, B., U1 Rakowiecka, Warsaw. June 19, 1933, Nos. 17433 and 17434. Void [Abridged as open to inspection under Sect. 91 of the Acts, Dec. 19, 1933]. [Class 98 (i)] [See also Group VI] Apparatus for inter-rectal radiography comprises a tubular stem E having at one end a book-form film container K which can be opened by turning a handle H at the other end of the stem. The film unrolls and rolls up as the container is opened and closed. To prevent internal injury when the container is inserted a distendable bladder covering S having a neck tightly fitting the stem E fits over the container. The bladder can be distended by operating the bulb G and held open or released by suitable cocks G'. In order to be able to position the film for use, a wire frame R is mounted and positioned by means of legs F', F<2> and sockets S<1>, S<2> on the stem E. The frame is parallel to the plane of the film when the container is opened, and the projection of the centre of the film is at the centre of the frame. Also the frame is longer than the film so that the vertical projections of all points of the film fall within the frame.
Patent GB-402006-A (GB)
Title: Improvements in and relating to envelopes
IPC: B65D27/30
Filed: 1933-06-19
Abstract: 402,006. Envelopes. FISCHER, H., 20, Granitz, and BARTH, L., 17, Republikplatz, both in Znaim, Czecho-Slovakia. June 19, 1933, No. 17442. [Class 146 (ii).] An envelope is provided on the front side with a cut-out portion or opening 1 of a size somewhat larger than the normal postage stamp for the purpose of enabling the stamp cancellation markings to be received within the opening, and the opening is divided by a strip 2 connected to the remainder of the envelope by portions 3 which are made more readily breakable than the remainder of the envelope by means of perforations or the like. The stamp 5 is gummed over the strip 2 and on to the contents of the envelope, so that when the contents are withdrawn the strip is broken away. The strip 2 and the borders 4 of the opening may be made brittle to facilitate withdrawing the contents from the envelope. In a modification, where the envelope is to be passed through a stamping-machine, the opening is arranged so that at one side of the strip the date, and at the other side the serial number of the machine, are stamped on the contents. In this case the strip is preferably gummed to the contents.
Patent GB-296846-A (GB)
Title: Improvements in or relating to aerial rope-ways
IPC: B61B12/06
Filed: 1927-07-01
Abstract: 296,846. Caprile, N. da. July 1, 1927. Safety retaining-mechanism.-The load carrier of an aerial ropeway is suspended from the trolly frame by a pivotal suspension normally held in a raised position by the pull of the haulage rope and when pulled downwards on breakage of the rope presses a pair of brake shoes into contact with the carrying rope by means of linkage. The trolly frame a has wheels b running on the carrying rope k and in its lower part is formed with a slot p having near its upper end a notch 2. The load carrier r has a U-shaped supporting strap q mith a pin g in its upper end, the pin being adapted to slide in the slot p and to be normally held in position in the notch 2. The hauling rope y is connected to one end of an arm s pivoted to the trolly frame at its other end v and having a slotted extension u engaging the pin g and normally keeping it in position in the notch 2. A pair of links h are pivotally mounted on the pin g and are pivotally connected at their other ends to links i centrally slotted and connected by a pin l mounted on the frame. The links are guided in the trolly frame by pin-and-slot connections o and carry at their upper ends brake shoes t which on breakage of the haulage rope are engaged with the carrying rope by the release and downward movement of the load carrier and the consequential extension of the linkage mechanism.
Patent GB-1527425-A (GB)
Title: Control system for selective positioning of a displaceable device and a displaceable device in combination with such a system
IPC: G05G23/00
Filed: 1976-04-29
Abstract: 1527425 Aligning lift at level ISLEF & HAGEN A/S 29 April 1976 [30 April 1975] 17579/76 Heading B8L  A control system for selectively positioning the forks 13 of a lift truck at any one of a number of pre-selected elevations, comprises a plurality of first switch elements spaced along a fixed section 10 of the truck mast, a plurality of second switch elements spaced along a movable section 12 of the mast, each pair of first and second switches representing a particular elevation of the forks 13 which are moved through a cable 14 actuated by the mast section 12, and a release device 17 which is actuated at a selected elevation to interrupt the drive to the forks. The mast section 12 is moved by an hydraulic ram 11 controlled by a valve 16 having up, down and a neutral blocking position. Upon the forks reaching a level at which the switch pair have been manually set, a relay is operated to open the magnetic valve release device 17 whereby fluid is bled through a variable throttle valve 19 and through the device 17 to tank, by-passing the valve 16, and the forks lower until the switch pair move out of alignment when the device 17 is de-energized. Lamps associated with the pairs indicate to the truck operator both which level has been selected and when that level has been reached, whereupon the operator returns the valve 16 to its neutral position so that movement of the forks 13 is blocked once the device 17 is de-energized. Each switch pair comprises a contact arm pivoted to the fixed mast section 10 and spring biased towards the movable section 12 which mounts a profiled switch plate for operating the contact when the pair of switches are aligned. A further switch is arranged to indicate to the operator that the truck mast is vertical. To compensate for truck tyre deformation, the first switch elements are adjustable along the fixed mast section 10 at each load carrying operation. Since the height of the forks for delivering a load to a shelf would be slightly different from the height for removing a load from the shelf, a set of switch pairs corresponding to "delivery" is mounted at one side of the mast and to "removing" is mounted at the other side of the mast. In other embodiments the operation of the release device is controlled by pneumatic or hydraulic means, or the device may be an electrically operated friction coupling.
Patent GB-1425861-A (GB)
Title: Electrical power control systems for electric vehicles
IPC: H02P7/28
Filed: 1973-04-12
Abstract: 1425861 Thyristor commutating circuits ELECTRIC FUEL PROPULSION CORP 12 April 1973 [14 April 1972] 17582/73 Heading H3T [Also in Division H2] A chopper circuit for controlling a D.C. motor or the charging of a battery (see Division H2) comprises main silicon controlled rectifiers SCR1, SCR2 made alternately conductive by a drive signal dependent on a desired value of current and alternately turned off by firing appropriate pairs SCR3, SCR6 and SCR4, SCR5 of silicon controlled rectifiers to permit discharge and charge of a capacitor C. The circuit overcomes the problems of a known chopper, Fig. 5 (not shown) relating to the limit of commutation, the amount of capacitor energy lost each cycle and the production of A.C. current components. In a modification, Fig. 11 (not shown), the rectifiers SCR1, SCR2, SCR4, SCR6 are connected in parallel with conventional capacitor-resistor-diode snubber circuits and further inductors are connected in the main circuit branches between rectifier SCR1 and diode D1 and rectifier SCR2 and diode D2. Also a capacitor and a series RC circuit are connected between the terminals A, B to reduce the ring- ing frequency and damp the transient associated with the resultant reduced frequency. Typical values are given for the various circuit components corresponding to defined operating conditions, which include over-critical operation of the chopper, that is, when the inductor current is non-zero over the whole cycle. The circuit positions of the SCRs, inductors and diodes may be interchanged relative to the terminals A, B, C, Figs. 3 and 4 (not shown). The firing signals for rectifiers SCR1 ... SCR6 are obtained from a control circuit, Fig. 12 (not shown), including two comparators (50, 52) and a variable frequency multivibrator (36) each receiving the drive signal, the comparators also receiving respective signals dependent on the current through SCR1 and SCR2 and controlling, together with the multivibrator, an arrangement of logic gates, delay circuits, flip-flops and drive circuits, Figs. 13, 14, 15 and 19 (not shown). The multivibrator (36), Fig. 17 (not shown), causes turn off of SCR1, SCR2 if this has not already been effected by comparators (50, 52) and is also designed to produce an increasing output frequency with increasing drive signal up to a maximum frequency, Fig. 18 (not shown).
Patent GB-850266-A (GB)
Title: Improvements in or relating to fluid flow indicators
IPC: G01P13/00
Filed: 1959-05-25
Abstract: 850,266. Indicating fluid flow. MASHEDER, P. R. May 25, 1959, No. 17675/59. Class 69 (1). A fluid flow indicator comprises a metal connection body 11, a transparent cover 12 and a ball 14 displaceable upwardly in an uptake conduit constituted by aligned inclined bores 11a, 12a in the body and cover respectively, the internal diameter of the uptake conduit being slightly greater than the diameter of the ball 14, the uptake conduit having a closed upper end and an outlet port 12b having at least one dimension smaller than the ball diameter. The transparent cover 12 has a domed surface so that a magnifying effect is obtained. In a modification shown in Fig. 3, the uptake and outlet conduits join at an angle of 90 degrees.
Patent GB-547289-A (GB)
Title: Improvements in or relating to implements or apparatus for digging or scarifying
IPC: E01C23/12
Filed: 1940-12-16
Abstract: 547,289. Scarifiers. FAIRCLOUGH, H., and RUSTON-BUCYRUS, Ltd. Dec. 16, 1940, No. 17701. [Class 107] [Also in Group XXI] An excavator of the back-acting or drag-shovel type is modified or converted for scarifying road, &c. surfaces by replacing the scoop &c. by a pick comprising a pointed tool 14 of bar-like form which is rigidly secured to the scoop &c. arm 3 and set thereon so that it is inclined inwardly towards the base of the machine when the boom 5 is lowered and the pick is on the point of penetrating the road or surface. The pick is pivoted and adjustably but rigidly held by bars 15. More than one pick may be provided. Specification 482,341, [Group XXI], is referred to.
Patent GB-581612-A (GB)
Title: Improvements in and relating to fasteners
IPC: F16B5/12
Filed: 1944-09-15
Abstract: 581,612. Snap fasteners. FERNBERG, E.B., and FERNTOL PATENTS, Ltd. Sept. 15, 1944, No. 17717. [Class 44] A device for securing members such as trim pads or weather strips to sheet metal panels or wooden pillars comprises a stud 10. formed of a strip of spring metal and having feet 19, 20 housed within or bonded to the underside of a moulded head 11 of rubber or other resilient material. A washer 21 may encircle the neck 15 or may be moulded into or bonded to the underside of the head 11, in which case it may have perforations 22. The head 11 may be formed of two portions 24, 25 cemented together with the feet 19, 20 held between them. A number of studs may be secured to a weather-strip by moulding or bonding, separate heads being dispensed with. Specifications 451,721; 513,602 and 521,287, [both in Group XX], are referred to.
Patent GB-1078459-A (GB)
Title: Improvements in/or relating to apparatus for detecting or measuring alternating currents
IPC: G01R15/18
Filed: 1966-04-22
Abstract: 1,078,459. A.C. measurement. LA TELEMECANIQUE ELECTRIQUE. April 22, 1966 [April 23, 1965], No. 17722/66. Heading G1U. Apparatus for detecting or measuring A.C. comprises a flexible cable which is arranged to embrace the conductor carrying the A.C. and consists of an insulating non-magnetic core surrounding an inner conductor with an outer coil wound over the core. One end of each of the coil and the inner conductor are connected together, while the other ends are connected to an integrating circuit and thence to a meter. The leads and integrating circuit are shielded.
Patent GB-1379819-A (GB)
Title: Form coke coating with glanu carbon and methods of production
Inventor: JOSEPH R T
IPC: C10B53/08
Filed: 1972-04-17
Abstract: 1379819 Coking briquettes FMC CORP 17 April 1972 [19 April 1971] 17724/72 Heading ClA [Also in Division C5] The dusting tendency of reactive form coke briquettes made by the method described in U.K. Specification 926,213 is inhibited by coking the briquettes in the presence of a gas, e.g. combustion products, which contains at least 10 vol. per cent hydrocarbon vapour, which is thereby cracked to deposit glanz carbon on the coke. The vapours may be produced by introducing raw or partially charred coal into the hot gas. In an illustrated embodiment, the briquettes are passed down a vertical kiln in counter-current to the gas and vapour, temperatures ranging from 900 F. at the top of the charge to 1700 F. at the bottom. The coke is cooled in a water-jacketed section, and solids and tars separated from the gases leaving the kiln may be incorporated in the briquettes.
Patent GB-889827-A (GB)
Title: Apparatus for measuring the frequency of a cyclic phenomenon
IPC: G01H3/00
Filed: 1958-06-04
Abstract: 889,827. Frequency measurement. ROCHAR ELECTRONIQUE. June 4, 1959 [June 8, 1957; July 16, 1957], No. 17832/58. Class 37. In apparatus for measuring the frequency of a cyclic phenomenon, limiting amplifier 1 provides pulses at the same frequency as the signal frequency Fx to be measured; these pulses being fed to delay devices 2, 3, 4 and 5, each introducing a delay which is ten times that of the preceding device, and the outputs from which are compared with the output from limiting amplifier 1 by discriminators 6, 7, 8 and 9 which respectively feed milliammeters 10, 11, 12 and 13, graduated from 0 to 10. Each milliammeter will indicate a significant figure of the frequency being measured, which is thus determined to four significant figures. A second embodiment, wherein only the first significant figure of the input frequency is displayed, comprises means for measuring the angular frequency of a shaft 33, driven by a device 21 (see Fig. 2). The shaft, disposed axially of a parabolic reflector 22, is secured to an opaque disc 24 having a slit in its periphery, a lamp 25 within the reflector thereby providing an impulse to photo-electric cell 27 for each passage of the slit past the lamp. The pulses from the cell 27 are delayed by circuitry 28-32 and thence fed to flash tube 34 which illuminates the interior of reflector 22, the slit in disc 24 at this moment being illuminated, and its angular position relative to the lamp 25 providing a measure of the rotational frequency of the shaft 33 indicated by a graduated scale 23 in the periphery of the reflector.
Patent GB-632570-A (GB)
Title: Improvements in or relating to coloured mirrors
IPC: G02B5/28
Filed: 1945-07-12
Abstract: 632,570. Ornamenting. LIBBEY-OWENS-FORD GLASS CO. July 12, 1945, No. 17854. Convention date, Jan. 25, 1943. Drawings to Specification. [Class 93] [Also in Group XX] In a coloured mirror which comprises a support and a partially transparent specular film of a thickness to produce colours by interference, the support is either opaque or transparent and, when transparent, non-reflecting or non-specularly reflecting opaque means is provided in contact with the support and/or film and, when the film contacts the support, the latter has a refractive index less than that of the film. The film may be deposited by the chemical process described in Specification 624,846 or by thermal evaporation in a high vacuum. The support, which may be of glass or plastic material, may be coloured and the film may be of gold or copper or other material that allows of selective specular reflection. The mirror may be a first or second surface mirror, the opaque means which is provided in contact with the support and/or film being a black lacquer, pigmented paint or shellac. Materials suitable for the film are lead sulphide, stibnite, molybdenite and pyrite. Spectral reflection curves are shown. U.S.A. Specification 1,662,564 also is referred to.
Patent GB-977988-A (GB)
Title: Electric cables
Inventor: PAGE GEORGE EDWARD CHARLES
IPC: H02G1/12
Filed: 1962-05-09
Abstract: 977,988. Machine tool details. STANDARD TELEPHONES & CABLES Ltd. May 9, 1962, No. 17855/62. Headings B3C and B3T. [Also in Division H1] Cable insulation is shaved down by passing  it through a bore 2 of a shaft 5 (Fig. 1) in a  rotating shaving head 3 which includes a cutting tool, cutting a length of swarf from the insulation and shearing the swarf into pieces between the shaving head and a blade in sliding contact therewith. The cutting edges 25, 26 and 27 (Fig. 2) of the cutting tools 22, 23 and 24 cut helical strips 44, 45 and 46 from the insulation which pass radially outwards through passages 15, 16 and 17 in a flange 6 on the shaft 5 until the slots pass under vanes 30, 31 and 32 by which the strips are cut into short lengths. The vanes may be fixed or rotatable to vary the size of the sheared insulation pieces which are removed by an air pump connected to the casing by a pipe 42.
Patent GB-946083-A (GB)
Title: A method of stretching out and attaching a sheet to a rigid or semi-rigid support
IPC: G03C11/14
Filed: 1961-04-25
Abstract: 946,083. Envelopes. MONTAJES MYX S.L. April 25, 1961 [May 13, 1960], No. 14876/61. Heading B6A. [Also in Division A4]  In the process of attaching the perimeter of a flexible sheet, such as a printed paper sheet 1, to the perimeter of a rigid support 2, such as a pasteboard or cardboard support, narrow strips 3 of thin material which is light and malleable are inserted between the edges of the support; these edges are folded over the strips 3 and the sheet edges and strips are bent downward to bear against the support 2 as shown in Fig. 9. The embodiment shown in Fig. 9 is that of a gramophone-record cover in which a second flexible sheet 10 is secured on three sides only, leaving the top 11 open to receive the record. In Fig. 1, the  sheet 1 bears a pictorial design, which is stretched over the support 2 when the edge strips 3 are applied. The strips 3 may be of aluminium or other thin metallic material.
Patent GB-639217-A (GB)
Title: Tertiary amines and methods for obtaining the same
IPC: C07C215/08
Filed: 1947-07-07
Abstract: Tertiary amines which have in their free base form the formula <FORM:0639217/IV (b)/1> where R is an alkyl or alkenyl radical containing 1 to 6 carbon atoms inclusive and R1 is hydrogen or a methyl radical are obtained by reacting a benzhydryl compound of the formula <FORM:0639217/IV (b)/2> with an aliphatic hydroxy compound of the formula <FORM:0639217/IV (b)/3> where X is halogen when Y is <FORM:0639217/IV (b)/4> and X is <FORM:0639217/IV (b)/5> when Y is halogen and R1 and R have the same significance as given above. Alternatively, a benzhydryl alkyl or alkenyl amine is reacted with ethylene oxide or 1,2-propylene oxide.  Detailed examples are given.
Patent GB-145661-A (GB)
Title: Improvements in or relating to rotary brushes for suction sweepers and the like
IPC: A47L9/04
Filed: 1920-06-30
Abstract: 145,661. Hoover Suction Sweeper Co., (Assignees of Hoover, H. E.). April 25, 1918, [Convention date]. Rotary brushes.-A rotary brush for use in an open-mouthed suction-nozzle of a vacuum-cleaner has the brustles, either in tufts or in a continuous line, arranged in one row forming a single spiral turn, or, for long brushes, forming two spiral turns of the opposite hand on each side of the centre. Each portion of the surface with which the bristles contact is thus beaten once only during each revolution of the brush, the suction causing the carpet &c. to rise between each stroke. The arrangement permits the use of a light highspeed motor. As shown in Fig. 2, the angular distance between the first and last tufts is approximately the same as that between adjacent tufts; and the driving pulley, whether placed in the centre or at one end, is as far as possible overhung by the tufts. The Specification as open to inspection under Sect. 91 (3) (a), describes also constructions in which a bristle-row is straight, or forms less than a complete spiral turn, or forms a plurality of continuous spiral turns. This subject-matter does not appear in the Specification as accepted.
Patent GB-804170-A (GB)
Title: Compound metal
IPC: C23C28/02
Filed: 1957-06-05
Abstract: 804,170. Making compound metal; rolling. VEREINIGTE LEICHTMETALL-WERKE G.m.b.H. June 5, 1957 [Aug. 11, 1956], No. 17934/57. Classes 83 (2) and 83 (4). Super purity aluminium or its alloys suitable for brightening or anodising are bonded to iron by hot rolling with an intermediate layer of aluminium alloy containing 0.5 to 2.0 per cent silicon. The alloys of super purity aluminium may contain up to 5 per cent magnesium and up to 3 per cent zinc or 0.5 per cent beryllium.
Patent GB-568577-A (GB)
Title: Improvements in apparatus for the transmission or reception of supersonic waves
IPC: B06B1/08
Filed: 1942-12-17
Abstract: 568,577. Signalling-apparatus. ROST, H. F., and CLAESSON, H. E. Dec. 17, 1942, No. 17936. Convention date, May 3, 1941. [Class 118 (ii)] [Also in Group XXXIX] Apparatus for transmitting or receiving supersonic pressure - waves comprises frequency modulating means and a magnetostrictive oscillator formed with laminations so shaped and arranged that the oscillator has a broad resonance curve enabling it to transmit or receive frequency-modulated pressure waves lying in a wide band. The frequency-modulated waves may be generated as described in Specification 542,634, [Group XL], and the apparatus can be employed for the determination of direction and distance under water by reflected waves as described in Specification 546,202, and also for under-water speech transmission. Several forms of magnetostrictive oscillator are described, some, such as that shown in Fig. 4, comprising a number of parallel cores of different lengths, either mechanically connected at their ends, as shown, or separate from one another, and with their windings connected in series or in parallel. The coupling thus produced between cores having different natural frequencies give the oscillator as a whole a broad resonance band. In another form the cores extend radially between inner and outer rings which connect their ends, and Fig. 11 shows a toroidal core also having a broad response since it may be regarded as formed of concentric rings each having a different natural frequency. Fig. 9 shows an apparatus for under-water use comprising a ring-shaped oscillator 31 arranged with its peripheral vibrating surface at the focal line of a parabolic reflector 42 arranged in a streamlined shell 57, 59, the front of which is completed by a window 57, which may be of metal or synthetic resin. The space 52 is filled with oil under pressure, admitted by a pipe 53, which transmits the vibrations through the window 51 to the surrounding water. The shell may be spherical, and be arranged in the front part of a fixed streamlined shell so that it may be adjusted about a vertical axis to vary the duration of transmission or reception. Specifications 375,375 and 520,516, [Group XXXIX], also are referred to.