baber/WOPTO huggingface dataset:
Patent GB-1494089-A (GB)
Title: Thermochemical and radiolytic processes
IPC: G21H5/00
Filed: 1974-11-15
Abstract: 1494089 Decomposition of water TEXAS GAS TRANSMISSION CORP 15 Nov 1974 [19 Nov 1973] 49447/74 Heading C1A [Also in Divisions B1 and G6] A chemical process, for example the decomposition of H 2 O into H 2  and O 2 , comprises one stage involving a thermochemical reaction and another stage involving a radiolytic decomposition, the feed material being converted in the thermochemical stage to another chemical compound which is more sensitive to decomposition in the radiolytic stage than the feed material. The heat for the thermochemical step and the radiation for the radiolytic step may both be provided by a nuclear fusion reaction. In examples (1) water is reacted with CaBr 2  at 730 C. to form HBr and Ca(OH) 2 , the HBr is decomposed radiolytically into H 2  and Br 2 , and the Br 2  is reacted with the Ca(OH) 2  to form CaBr 2 , which is recycled, and O 2 ; CdBr 2  or CaCl 2  may be used in place of CaBr 2 ; (2) CO 2  is decomposed by radiolysis into CO and O 2 , and the CO is reacted with H 2 O to form H 2  and CO 2  which is recycled; (3) water is reacted with Cl 2  at 800 C., forming HCl and O 2 , the HCl is decomposed radiolytically into H 2  and Cl 2 , and the Cl 2  is recycled.
Patent GB-1381089-A (GB)
Title: Water-tight assembly for use under very high pressures
IPC: B63C11/00
Filed: 1973-10-25
Abstract: 1381089 Lamps ERJI CENTRE NATIONAL POUR L'EXPLOITATION DES OCEANS and LE NICKEL 25 Oct 1973 [25 Oct 1972] 49845/73 Heading F4R A water-tight lamp assembly for use under very high pressure comprises a translucent plastics lamp glass 1 having a connecting end formed with an outer annular tapered surface 5 and an inner planar face 10, a tubular metal body 2 having a connecting end formed with a tapered surface 4 complementary to the surface 5, a toroidal seal in an annular groove 6 in at least one of the tapered surfaces, a semi-rigid intermediate connecting member 7 screwed into both the lamp glass and the tubular body, and a resilient shock-absorbing washer 9 disposed between the face 10 and a shoulder 8 on the member 7. The shoulder 8 may be formed, as shown, at the junction of two portions of the member 7 of different diameters or alternatively may be constituted by a flange between two portions of the same diameter. A lamp may extend through an axial bore in the member 7 into a blind opening 3 in the lamp glass, and the body 2 may contain batteries connected to an electronic circuit which causes the lamp to flash. The lamp assembly is intended for use in conjunction with apparatus for exploring the sea bed, the lamp being switched on automatically when the apparatus returns to the surface so that it can be seen from a recovery vessel.
Patent GB-1474256-A (GB)
Title: Apparatus for developing migration imaging members
IPC: G03G17/10
Filed: 1974-07-25
Abstract: 1474256 Developing apparatus XEROX CORP 25 July 1974 [26 July 1973] 49990/76 Divided out of 1474255 Heading G2H A migration imaging member 4 is guided along a path adjacent and parallel to a curved liquid support member 26 while developer liquid is flowed on to the concave development surface 28 of the support member 26 through an aperture 27 located close to the edge 30 of the support member 26 at the exit end of the said path. The apparatus is capable of developing migration imaging members at speeds of at least 4 inches per second and is thus suitable for use in camera/processor/projector apparatus at motion picture speeds of about 7 inches per second, producing images free of background material.
Patent GB-1165008-A (GB)
Title: Speed Control Arrangement for Electric Motors.
Inventor: YEOMANS KENNETH ALFRED
IPC: H02P29/00
Filed: 1966-11-08
Abstract: 1,165,008. Electric correspondence control. BRITISH IRON & STEEL RESEARCH ASSOCIATION. Dec. 4, 1967 [Nov. 8, 1966], No.50016/66. Heading G1N. The output torque G of motor is sensed, e.g. by strain gauges on the motor output shaft and compared with a reference signal Gm, the error signal being supplied to a function generator producing a signal dependent on its input according to the characteristics. This signal is compounded with a reference speed signal Nm and the resultant signal N is supplied to control the motor. In one embodiment the characteristic is represented by the equation:- N = Nm - #K (G - Gm), where # = 0 for G# Gx and # = 1 for G > Gx, see Fig. 2 (not shown). In the computing circuitry, the sliders of potentiometers, Fig. 3, connected to a constant voltage source, are set according to the constants Nm, Gm and Gx. The signal representative of Gm is then subtracted from the signal representative of the actual torque and fed via a relay controlled switch and potentiometer st at K to a subtraction unit whose other input is provided by the signal representative of Nm. The above switch is opened or closed to connect or disconnect the signal representative of (G - Gm) from the subtraction unit according to whether G is greater or less than Gx with which it is compared in a circuit whose output is connected to the relay. In a second embodiment in which the function generator includes non-linear elements, the characteristic is represented by the equation:- N = Nm - 8Nm Gm/G + 1
Patent GB-1516288-A (GB)
Title: Transmission mechanism notably for typewriters
IPC: F16H19/02
Filed: 1976-12-01
Abstract: 1516288 Conveying rotary motion HERMES PRECISA INTERNATIONAL SA 1 Dec 1976 [8 Dec 1975] 50026/76 Heading F2Q Angular movement of a lever 17 about a pivot 20 is transmitted into angular displacement of a pulley 2 by a flexible member 3 which passes around fixed rollers 8, 9 and a roller 10 mounted on the lever 17, the member 3 having toothed end portions 4, 5 which are secured to the pulley 2 and an adjustable anchorage 11 respectively. The pulley 2 is spring-urged in a clockwise direction and the lever 17 is biased by a spring 18.
Patent GB-1075118-A (GB)
Title: Improvements relating to heald frames
IPC: D03C9/06
Filed: 1963-12-19
Abstract: Healds (8) have inclined surfaces (19) so that, when they ride up on the shafts (5), they are moved laterally and flanges (10), (15) cooperate to prevent disengagement.  Various embodiments of stampings, wire healds, inclines and flanges are described.
Patent GB-1023169-A (GB)
Title: Improvements in or relating to the production of carotene
IPC: C12P23/00
Filed: 1964-12-11
Abstract: In a process for the production of b -carotene by fermenting Blakeslea trispora in an aqueous fermentation medium, there is added to the medium at least 7 1/2 % by weight of citrus molasses to increase the yield of b -carotene. In examples, the medium contains soybean meal, citrus molasses, cornsteep liquor, cotton seed oil, deodorized kerosene and water.
Patent GB-1031744-A (GB)
Title: Improvements in or relating to dibenzthiepin derivatives
Inventor: JUCKER ERNST
IPC: C07D409/04
Filed: 1962-12-10
Abstract: The invention comprises compounds of formula <FORM:1031744/C2/1> wherein R1 is a halogen atom or a C1- 3 alkyl, C1- 3 alkoxy or C1- 3 alkylthio group, and their preparation by cyclization of a compound of formula <FORM:1031744/C2/2> by heating with polyphosphoric acid at 100 DEG  to 200 DEG  C., or by treatment with a halogenating agent and heating the resulting acid chloride with AlCl3 in an organic solvent.
Patent GB-1458004-A (GB)
Title: Apparatus for handling bulk or liquid materials
IPC: A01C3/04
Filed: 1972-11-04
Abstract: 1458004 Bulk material or liquid discharging apparatus G P EVANS 29 Jan 1974 [4 Nov 1972] 50907/72 Heading B8E [Also in Division E1] A slurry pit 10 or other container discharging apparatus comprises arms 18 pivotally mounted at 19 on a support structure 15, 16 and actuated to swing by a ram 23 connectable to a tractor's hydraulic system. A scoop 20 is pivoted at 21 to the ends of the arms 18 and at 26 to control links 25 pivoted in turn at 27 on a rail 17 of the support structure. The pivot points 19, 21, 26, 27 are not arranged at the corners of a parallelogram but are so positioned that as the arms 18 swing the inclination of the scoop changes until it rapidly moves to a downwardly inclined chain line position to discharge over a shoot 30 into a muck spreader 12. The support structure may span the pit and the ram 23 may engage a cranked extension of the arms 18 to raise them to a higher discharge point. The scoop 20 may have an end wall 36, Fig. 3 pivoted on a bar 37 so that it pivots forwards during downward movement of the arms 18 but engages a stop 38 when moving forwards to retain the scoop's contents. The scoop may have a shoot 50, Fig. 7, movable from a retracted position across the underside of the scoop to the projected position shown to control the discharge of the contents by the pivoting of the arms 18 at 21 through a connecting linkage 51-54.
Patent GB-1021469-A (GB)
Title: Improvements in handtools
IPC: B25J15/06
Filed: 1963-12-24
Abstract: 1,021,469. Magnetic holding devices. D. A. FURZEY. Aug. 27, 1964 [Dec. 24, 1963], No. 51008/63. Heading H1P. A hand tool, for retrieving ferromagnetic objects from inaccessible recesses, comprises telescopic rod 1a-1g having a magnet 3 secured in one end. The contracted rod is secured in a pocket by clip 2 and a rubber grommet 4 is provided as a shield around the end of the rod containing the magnet to prevent it clinging to the metal of the surrounding machine. The magnet is secured in the end of the rod by a depression in the rod, Fig. 3 (not shown).
Patent GB-1531487-A (GB)
Title: Complete hip-joint prosthesis
IPC: A61F2/36
Filed: 1975-12-12
Abstract: 1531487 Hip-joint prosthesis MAHAY & CIE 12 Dec 1975 [27 Dec 1974] 51077/75 Heading A5R A hip-joint prosthesis comprises a cephalic part formed of a femur piece 1 and a cephalic piece 5, the femur piece being cylindrical with an external thread 2 and having a polygonal section recess 3 in which a correspondingly shaped sleeve 6 of the cephalic piece fits in any of a number of relative angular positions, the cephalic piece being retained by a nut 4 and provided with a plane surface 7 which seats on a prepared surface of the femur. The cotyloid part of the joint has an externally threaded cylindrical portion 8 surmounted by a dome 9 and a part-spherical socket to receive the ball on the cephalic piece and lined with plastics material 11 retained by an annular projection 20. The cotyloid piece is screwed into the hip bone by a tool which engages cutouts 14 and additional securement may be provided by screws which passes through oblique bores 12. For various sizes of joint the ball, socket, bolt 4, sleeve 6 and recess 3 may always have the same size and the prosthesis as a whole is made of chromecobalt alloy with alternately the cephalic part formed from a block of plastics material. A flange may extend from the cotyloid part transverse to the axis of cylindrical part 8 for engaging a surface on the hip bone, and angular adjustment provided between the two pieces of the cephalic part by engaging ridges on that part of plane 7 which contacts the end of femur pieces 1, and said end.
Patent GB-1485898-A (GB)
Title: Glass for an ultrasonic delay line
IPC: C03C4/00
Filed: 1975-12-16
Abstract: 1485898 Delay line glass HOYA GLASS WORKS Ltd 16 Dec 1975 [18 Dec 1974] 51392/75 Heading C1M A glass for an ultrasonic delay line comprises, in percent by weight Optionally present may be Al 2 O 3  0-1, As 2 O 3  0-0À5 and/or Sb 2 O 3  0-0À5. The glass preferably has a temperature coefficient of delay time less than 5 Î 10<SP>-6</SP>/‹C. (0-70‹ C.), and a low ultrasonic wave velocity (e.g. not more than 2À59 km./sec.).
Patent GB-1259899-A (GB)
Title: Improvements in cattle crushes
Inventor: MILES PAUL HALLAM AUSTIN
IPC: A61D3/00
Filed: 1969-10-20
Abstract: 1,259,899. Cattle crush. P. H. A. MILES. 20 Oct., 1969 [21 Oct., 1968], No. 51395/69. Heading A5R. In a cattle crush of the type having one wall 1 fixed relative to the floor 2 of the crush and another movable wall, the movable wall comprises an assembly of adjacent slats 9 hinged to bars 4 at their lower ends, as indicated at 10, and being connected to each other by one or more flexible strips 11. The slat assembly comprises two sections with two bars 4 being hinged about vertical axes 5 to swing outwardly. The ends of the bars 4 are connected to posts 8, the top ends of which are attached to bars 6. These bars 6 are hinged to a frame 7 which extends centrally over the top of the crush from the fixed wall. Gates 14 and (13) may be detachably mounted at each end of the crush on the fixed wall 1 by hinges 12 and by guides 18. Posts 8 have mountings 16 in which lever mechanisms may be detachably connected between the fixed wall and the posts to pull the posts towards the fixed wall. A pair of upwardly diverging bars 20, 21, located internally of and adjacent to the slat assembly, are pivoted to the floor to hold an animal in the crush. Bar 20 may pass between two adjacent slats and between two strips 11 to cause it to move with a slat assembly.
Patent GB-1277615-A (GB)
Title: A method of manufacturing electromechanical resonators
Inventor: ZAKARIA HISHAM MOHAMED SAADALL
IPC: H03H3/007
Filed: 1969-10-21
Abstract: 1277615 Printed circuits STANDARD TELEPHONES & CABLES Ltd 16 Oct 1970 [21 Oct 1969] 51479/69 Heading H1R In order that a resonator element 16 of an electromechanical resonator, Fig. 8, shall be spaced apart parallel to the substrate 15 carrying the conductor pattern 14a, 13, 12a &c. the method of manufacture includes the step of providing a layer of chemically different material to that of the elements and substrate between the resonator element and the substrate, the layer having a "window" etched in it to allow the area 11a of conductor to extend from the substrate, and support the resonator element such that when the latter step of etching away the layer is performed, the element is left supported parallel to the substrate. The resonator element may be of Ni-Fe alloy, e.g. Ni Span C Elinovar and Thermolast; the chemically different layer of copper; the conductors of gold; and the insulating substrate of glass or epoxy glass board.  In a preferred method, a layer of copper is electroplated on to a sheet of Ni-Fe material from which the resonator element is to be made and a "window" etched in the copper corresponding to the "root" of the element, further holes being etched through both layers to form reference points, for the photo-lithographic process used to mask the surfaces. Conductor areas 11a, 12a &c. are formed on the copper surface and infill the window area 11 (Fig. 5A) and the substrate bonded to the conductors using an epoxy base resin. The Ni-Fe layer is then etched to the shape of the resonating element and the copper layer is then removed by further etching. Ammonium persulphate in ammonia may be used as the copper etch, potassium iodide and iodine to etch the gold when forming the conductors and ferric chloride to etch the Ni-Fe layer, which also attacks the copper layer. Fig. 10 and Figs. 16, 25 (not shown) show further forms of resonator wherein conductors and substrates are formed on both sides of the resonator element, addition layers of copper being provided as required above the element, windows, extending through these layers to the substrate, being provided to define supports for the upper conductive and substrate areas. The method of producing the arrangement of Fig. 8 may be reversed if required, i.e. starting with the substrate and building up layers therefor.
Patent GB-1100517-A (GB)
Title: Improvements in and relating to boxes for packaging purposes
IPC: B65D5/54
Filed: 1966-11-17
Abstract: 1,100,517. Cartons. AKERLUND & RAUSING A.B. 17 Nov., 1966 [26 Nov., 1965], No. 51615/66. Heading B8P. A cardboard box has a handle formed along one edge of the top by co-operating members 3, 4; an extension 5 may be provided on the member 4 for strengthening the handle. A tear strip 10 extending from a hinge line 12, or a tear line (14), Fig. 4 (not shown), in the top flap 2 is provided for opening the box.
Patent GB-1379549-A (GB)
Title: Temperature responsive throttling valve
IPC: F25B41/06
Filed: 1971-12-10
Abstract: 1379549 Valves H W BURRINGTON (Jackes-Evans Mfg Co) 10 Dec 1971 52155/71 Heading F2V [Also in Division F4] A throttle valve for insertion in the suction line between an evaporator and a compressor of a closed continuously-running refrigerating system has a valve member 74 mounted on a container 58, 66 of a temperature sensitive material 62, e.g. wax or water which acts on a piston 60 adjustably anchored by a spider 72 in a seat 55. A diaphragm 68 and a plug 70 are interposed between the mass 62 and the piston and a spring 75 urges the valve member towards the seat. In the temperature range between 39 and 28 F. the mass 62 undergoes a phase change and the valve member moves from a maximum to a minimum flow position. An actuator 24 of an expansion valve 18 is downstream of the throttle valve and comprises a fluid-pressure responsive diaphragm 30 which is also acted upon by temperature responsive material in chamber 36 having insulation 37. Spring 38 adjustably loads the expansion valve 18.
Patent GB-1477118-A (GB)
Title: Coating compositions
IPC: C09D121/00
Filed: 1975-12-22
Abstract: 1477118 Coated metal articles LION OIL CO 22 Dec 1975 [6 Jan 1975] 52353/75 Heading B2E [Also in Division C3] Metal articles such as steel pipes and tanks may be coated with compositions comprising (1) a chlorinated rubber and (2) an aromatic petroleum pitch in a weight ratio of at least 0.8:1. The compositions may also comprise stabilizers for (1), e.g. epichlorohydrin, and may be appied from organic solvent solutions, e.g. in xylenes and petroleum naphthas, as primers for asphalt-based coatings.
Patent GB-1410476-A (GB)
Title: Modulation detectors
IPC: H04L27/233
Filed: 1972-11-15
Abstract: 1410476 Digital transmission; differential phase modulation WESTERN ELECTRIC CO Inc 15 Nov 1972 [17 Nov 1971] 52728/72 Heading H4P A demodulator for differential phase modulated system comprises means for detecting transitions in a received signal which reset a counter the state of which just prior to operation of reset is a measure of the phase change and thus the data transmitted. The received carrier wave may be translated to a higher frequency by a factor of say 9 by an IF source (13), Fig. 1 (not shown), to increase the number of transitions per unit time hence an input signal of 1800 Hz becomes 16À2 kHz the lower side band of 12À6 kHz being suppressed in a filter (14). As zero crossings per band are multiplied ninefold, a more accurate phase sample can be made each period. The demodulator determines changes in phase as binary numbers which are converted from parallel to serial, the most significant bits being transformed into digital data. The main sections of the demodulator comprise a transition detector 20, a clock 30 synchronized with incoming carrier, high frequency sequence wave oscillator 40 driving counter 50, a ring counter 60 and a read out register 70. On setting of transition flip-flop 25, cessation of 0 output on line 28 removes reset from counter 60 and freezes the count in counter 50. Counter 60 counts and produces a reset signal 100 on the tenth count on lead 46 which through flip-flop 32 sets flip-flop 33 and through lead 34 resets flip-flop 25 terminating the count in counter 60. Reset is also applied over line 48 restoring 9 stage counter 50 (only four stages shown) to a reference condition. To compensate for 10 "missing" counts when counter 60 input is interrupted, second and fourth stages are set when remaining stages are reset. On the fourth count of counter 60 the 1 output of stage 64 is activated and read out signal is produced on line 67 which toggles cells 71-73 of read out register 70, the D inputs to which are connected to stages 57-59 of counter 50, hence the most significant bits are transferred to a register 70 before counter 50 is reset to a reference condition. The binary states of counter 50 directly encode phase angles thus stage 59 corresponds to 0 or 180 degrees, stage 58Œ90 degrees and stage 57 Œ45 degrees hence the last two bits encode 4 phase data and the last three bits 8 phase; the remaining stages correspond to fractional angles hence may be used for demodulating analogue signals and/or control an adaptive equalizer. Phase ambiguity is avoided by polarity flip-flop 26, which enables gate 74 on a positive transition and 75 on a negative transition thus the 0 or 1 output of stage 59 as appropriate is directed to register stage 71. Gates 68 or 69 are enabled by a reset pulse on lead 46 at the time counter 50 is restored to a reference condition, the most significant bit being 1 or 0 as described above hence counter 50 content is proportional to instantaneous signal phase.
Patent GB-1362999-A (GB)
Title: Door closing device
IPC: E05F3/16
Filed: 1971-11-17
Abstract: 1362999 Door closing devices Y NAKANlSHI 17 Nov 1971 [20 Nov 1970] 53279/71 Heading E2M [Also in Division F2] A door closing device has a torsion spring 24 for closing the door and a brake drum 37 engageable by both a brake disc 19 and brake shoes 46 for restraining the closing movement. The device is secured to the door and a squaresection shaft 3 rotatable therein is connected to the door jamb through linkage 5, 6, 7. The shaft 3 is located axially in a casing 1 by a circlip 18. A rotor 28 fast with the shaft 3 has a series of holes 29 for selectively receiving the end 27 of the spring and thus permitting adjustment of the spring loading; stop surfaces (34a, 34b Fig. 5 not shown) on the rotor limit the rotation thereof. Brake drum 37 is fast with the shaft 3 and is pressed axially against the brake disc 19 by spring 39. The peripheral surface of the drum 37 is serrated or bonded (62), Fig. 7 (not shown) and cooperates with a pair of opposite brake shoe units 46 biased inwardly by springs 47 whose loading is adjustable by screws 57. The drum 37 is resilient so as to deform to an elliptical shape during its rotation and thus increase the braking effect. In another embodiment, Fig. 11 (not shown) the disc 19 is pressed axially from below against the bottom of the drum. The drum 37, disc 19 and shoes 46 may be made of nylon or preferably a mixture of plastics material such as polyamide or acetal resin mixed with asbestos powder.
Patent GB-1384807-A (GB)
IPC: H01S3/036
Filed: 1972-11-20
Abstract: 1384807 Lasers UNITED STATES ATOMIC ENERGY COMMISSION 20 Nov 1972 [21 Dec 1971] 53600/72 Heading H1C A chemical laser has a condensed active medium, i.e. a solid or liquid, which is exploded to give CO2 or CO and other products such as N2 or H2O which are beneficial to lasing or which are at least not detrimental to lasing. The explosion products may be expanded freely or through a supersonic nozzle; where the products include free carbon this can be removed by initiating the explosion in an oxygen atmosphere. Other beneficial atmospheres may be used, e.g. helium. Fig. 3 shows an explosion chamber 25 in which the chemicals are detonated. Expansion nozzle 27 terminates in diaphragm 30 which allows the chamber to be pressurized with oxygen &c. if required. Optical windows 24 give access to the lasing region when the apparatus is used as an amplifier, mirrors being used when oscillation is to be achieved. The tube 35 may be open to air, or may be evacuated. The following chemical mixtures are referred to: pentanitroaniline; tetranitromethane (CN4- O8) + acrylonitrile (C3H3N); tetranitromethane + hexanitrosobenzene (C6N6O6); hexanitrosobenzene + perchloric acid or oxygen; pentaerythritol tetranitrate (C(CH2ONO2)). Oxygen and helium pressures are given, as are mixtures of explosives, gain and apparatus dimensions.