baber/WOPTO huggingface dataset:
Patent GB-1226489-A (GB)
IPC: B60P1/44
Filed: 1969-12-04
Abstract: 1,226,489. Vehicle loading platforms. RATIONORM AG. 4 Dec., 1969 [18 Dec., 1968], No. 59255/69. Heading B8E. A vehicle 1, Fig. 2, has a raisable loading platform 6 mounted in a frame 5 which slides in a support 4 rotatably mounted below the vehicle chassis so that the platform may be positioned on either side of the vehicle. The outer end of the frame 5 is supported by an adjustable wheeled support 11 and the inner end has rollers 9 which run on rails 10 provided on each side of the vehicle. Arms 7 and hydraulic means 8 raise and lower the platform 6. The rollers 9 are mounted on spring-loaded arms 13 which are pushed into an inoperative horizontal position as the frame 5 is retracted by guides 14, Fig. 3. Levers 16, Fig. 6, retain the rollers 9 on the rails 10. Vertical movement of a cam 17 moves the levers 16 into engagement with the rails 10. The latter are supported by hinges 19 so that they may be folded when not in use. Fig. 11 shows a retaining lever 16a which is pivoted about the axis of the roller 9 and slides vertically on a bolt 29. The lever is held up by a spring 30 and depressed by a member 17a mounted on links 26.
Patent GB-1227437-A (GB)
IPC: G03H1/34
Filed: 1968-05-27
Abstract: 1,227,437. Holograms. BATTELLE DEVELOPMENT Corp. May 27, 1968 [June 7, 1967; Sept. 12, 1967], No.25241/68. Heading G2J. In a method of making a hologram having reduced spatial frequency wherein an object is illuminated with coherent radiation so that an object beam is reflected or transmitted therefrom, a spatial filter including an aperture is introduced into the object beam, a reference beam coherent with the object beam is formed such that its apparent source position is adjacent the effective aperture of the filter, and the interference pattern formed between the object and reference beams is detected and recorded to produce a hologram. The apparent source position or the actual source position of the reference beam may be located adjacent either to the real image of the filter aperture or to the actual aperture. In one embodiment a reflected beam 14 from an object passes through an aperture 18 of a spatial filter located at the focal plane of a lens 22, and the real image of the aperture 18a is located in a focal plane of a lens 24. A reference beam 30 reflected from a beam splitter 28 is formed to appear to arise from 32 adjacent aperture 18a. A recording surface 26 is located between splitter 28 and image 18a on which is formed a hologram. Reconstruction of the hologram gives a vertical image of the object viewed through an image of the aperture. In an alternative embodiment a hologram 51 is formed as above, except that the apparent reference source is adjacent the actual aperture. The hologram is then reconstituted using a coherent illuminating beam 44, of opposite curvature to the original reference beam, to form a real image 18d. A second reference beam 54 whose apparent source lies near to the image of the aperture is used to form a second hologram 52. In a further alternative of a two-step process the illuminating beam for the first hologram becomes the reference beam for the second hologram. The apparent source of the reference beam is located a distance from the aperture at least equal to the height of the aperture but not greater than the maximum dimension of the aperture.
Patent GB-1230775-A (GB)
IPC: F16B37/12
Filed: 1967-05-17
Abstract: 1,230,775. Inserts. A. D. BARNSDALE. 15 May, 1968 [17 May, 1967], No. 22901/67. Heading F2H. A push-in insert comprises a plurality of longitudinally serrated peripheral tapered portions 6 which cut into the material 13 into which the insert is pushed. The insert may have a head 4 which abuts the material 13 or it may have a head which is countersunk or serrated so as to form a flush surface with the material 13. A groove 15 is provided into which the loosened material 13 may be pushed. The insert may have a threaded bore or it may have a threaded stud projecting from its head.
Patent GB-1232754-A (GB)
IPC: G06G7/161
Filed: 1969-08-05
Abstract: 1,232,754. Multiplying circuits. BENDIX CORP. 5 Aug., 1969 [4 Sept., 1968], No. 39183/69. Heading G4G. A time division multiplier circuit includes means for producing a first, a second, and a reference signal; an integrator for integrating the first signal, and a comparator for comparing the integrator output to a predetermined voltage level and for providing a sense of output dependent upon the comparison; and switching means connected to the integrator, the comparator, and the reference signal and second signal means, and responsive to the sense of the comparator output for summing the reference signal into the integrator to drive the integrator output in the opposite sense and produce a sawtooth waveform which has a duty cycle proportional to the first signal and gates the second signals, whereby to provide a pulse train which, when passed through a filter connected to the switching means, provides an output corresponding to the product of the first and second signals. In the circuit shown, for multiplying together signals E 1  and E 2  from sources 2 and 4, signal E 1  is fed to an integrator 12, to which a bias voltage from source 28 may be applied via a switch 10, the output from the integrator being applied to the comparator 14, which has an output of fixed amplitude the sense of which is determined by the amplitude of the input. When the integrator output attains a given value, requring a time b, it produces a reversal in sense of the output of the comparator 14, such that relay 18 is operated via the diode 16, to reverse the positions of switches 4, 10 and 20. The negative voltage 28 is thereby applied to the integrator via associated resistors and the summing element 8, producing a reversal of sense of the integrator output and a decrease in its rate of change such that the next reversal of the comparator output, to initiate repetition of the cycle, occurs after a further time a. During time a, since switch 4 is closed, the signal E 2  is applied to filter 9 which provides an output equal to the average of its input; since the amplitude of the pulse is E 2 , while the ratio a/a + b is proportional to E 1 , the output from the filter is proportional to the product E 1 , E 2 . The integrator and comparator include operational amplifiers, and switches 4, 10 and 20 employ field effect transistors.
Patent GB-1234214-A (GB)
IPC: B63B59/08
Filed: 1967-11-06
Abstract: 1,234,214. Cleaning underwater surfaces. P. D. R. T. WILLCOX. 6 Feb., 1969 [6 Nov., 1967; 1 March, 1968], Nos. 50294/67 and 10089/68. Heading B7M. [Also in Divisions A4 and C7] In a method of removing marine growth from a ship's hull whilst afloat which comprises lowering into the water from the ship a flexible porous pad 1 having a liquid permeable dispensing face, and a liquid-tight parallel other face 2, water is evacuated from the pad through outlet pipe 6 to draw the dispensing face into close contact with the hull. Steam or a poisonous liquid, which passes through the dispensing face to attack the adjacent marine growth, is fed to the interior of the pad through inlet pipe 5. In the embodiment shown two systems of parallel tubes 4 are embedded in and communicate with the porous pad, one system being coupled to the inlet pipe 5 and the other to the outlet pipe 6. Elongated float 8 and sinker 9 give the pad neutral buoyancy.
Patent GB-1238144-A (GB)
IPC: H02G3/08
Filed: 1970-05-01
Abstract: 1,238,144. Grommets. AMP Inc. 1 May, 1970, No. 21171/70. Heading F2H. [Also in Division H2]  A tubular grommet for sealing a cable 5 in a hole 7 in a panel 8 is moulded of a heat-shrinkable material, with an integral flange 3 extending radially outwardly intermediate its ends, and is adapted to be heat-shrunk to cause one end portion 4 to lie generally parallel to the flange 3 and the other end portion 1 to grip the cable 5. The grommet is moulded in the form shown in Fig. 3 from a cross-linkable thermoplastic material, e.g. an ethylene copolymer, a polythene, or other polyolefin, and then heated and stretched to the form shown in Fig. 2, the material converting to a thermoset elastomer in the process. On assembly, the surfaces 6 are coated with a sealing material, and the grommet is heated so that it reverts to its original form. The end portion 4 may be segmented (Fig. 4, not shown).
Patent GB-1239154-A (GB)
IPC: F16J15/16
Filed: 1969-04-23
Abstract: 1,239,154. Seals. NUOVO PIGNONE S.p.A. 23 April, 1969 [22 May, 1968], No. 20849/69. Heading F2B. A seal for the gap 5 between cylindrical surfaces comprises an anti-extrusion ring 8 in the form of a metal split ring of trapezium crosssection, a channel-shaped sealing ring 15 having its side walls directed away from the antiextrusion ring, a resilient ring 17 mounted between the side walls, a chamber 20 between the sealing ring and resilient ring, and means such as notches 18 which communicate the chamber with the higher pressure side of the gap. As shown, a P.T.F.E. ring 16 is interposed between the rings 8, 15 and the side walls of the ring 15 and pressed against the cylindrical surfaces with a force F<SP>11</SP>. The split in the ring 8 closes as shown in Fig. 9 under the force F produced by the pressure P<SP>11</SP> which passes into the chamber 20 through the notches 18.
Patent GB-1250945-A (GB)
IPC: B29C48/10
Filed: 1969-10-16
Abstract: 1,250,945. Locally thickened tubular film. VOOR TECHNO - COMMERCIELE SIGNALISATIE, IN HET KORT N.V. 16 Oct., 1969 [28 Aug., 1969], No. 50836/69. Heading B5B. A synthetic organic thermoplastic tubular film having at least one longitudinal zone of which the wall thickness is greater than that of the remainder of the film is made by melt extruding the tube from an annular die, subjecting the tube to primary cooling and inflating it, and locally cooling at least one longitudinal zone of the inflated and still plastic film to solidify this zone before cooling the remainder of the film. Cooling may be by a jet of pressurized air, the temperature and pressure of which are adjustable. Two opposite zones on the film may be cooled to equilibrate stresses.
Patent GB-1251002-A (GB)
IPC: C10L7/02
Filed: 1970-04-14
Abstract: 1,251,002. Gelled fuels. H. & T. KIRBY & CO. Ltd., H. G. H. FARNSWORTH, K. M. FARNSWORTH, A. L. O. GARDNER and F. H. RUSHTON. 14 April, 1970, No. 17732/70. Heading C5G. Gelled fuels comprise mineralized methylated spirit, water and a gel forming polymer i.e. sodium carboxy methyl cellulose or a carboxy vinyl polymer. The fuel may also contain a dye and di(n-butyl) amine.
Patent GB-1252361-A (GB)
IPC: H01L27/07
Filed: 1969-01-23
Abstract: 1,252,361. Integrated circuits. MARCONI CO. Ltd. 29 Oct., 1969 [23 Jan., 1969], No. 3737/69. Heading H3T. [Also in Division H1] An interface circuit, providing a requisite change in voltage levels and polarities when bipolar circuitry drives F.E.T. circuitry, consists of a M.O.S.T. M1, Fig. 5 with a resistive load M2 both formed on the same chip as other M.O.S.T.'s such as those of the circuit to be driven from terminal 4, the M.O.S.T. M1 having a substrate electrode 19 and source and drain regions separate from those of the said other M.O.S.T.'s, so that the substrate, source and drain may be used as the base, emitter and collector respectively of a bipolar transistor equivalent to that shown as T1 in Fig. 1. Bipolar drive circuitry (T2, Fig. 2, not shown) is connected to T1 emitter 1 and M1 gate (2) is earthed, so that M1 acts as a bipolar transistor and a positive potential on the emitter 1 causes the transistor M1 to conduct through M2 and its collector 4 to rise to approximately earth. If M.O.S.T. drive circuitry is used the source 1 of M1 is earthed and the input applied to its gate 2, causing it to act as a M.O.S.T.E.T., a negative input now being required to raise the output 4 (drain) to earth. The drain is formed as an elongate region (6, Fig. 6, not shown) embraced by a U-shaped elongate source region (5), with a gate (not shown) formed over the U-shaped gap, and with a P-type guard ring (not shown) being formed around the transistor so formed to prevent inter-action with the other M.O.S.T.'s on the chip.
Patent GB-1253261-A (GB)
IPC: A41D27/24
Filed: 1969-02-03
Abstract: 1,253,261. Seaming non-metallic sheet material. BOSTIK Ltd. 3 Feb., 1969 [5 Feb., 1968], No. 5749/69. Heading B5K. [Also in Division D1] Pieces of flexible sheet material are secured together by locating in a predetermined relationship the pieces to be secured with a preformed web of strands of adhesive composition between them, the adhesive composition being activatable to a bond-forming condition by heating to an extent less than that which would deleteriously affect the pieces of sheet material; applying heat to activate the adhesive composition to form an adhesive bond between the pieces; when the adhesive composition is cool, inserting fastening means in the pieces to secure them together permanently; and treating the joined pieces of material with a solvent for the adhesive composition to remove this composition.  Preferably, the pieces are of woven fabric and are to be stitched together to form a garment, the adhesive web being applied between the pieces along the intended line of later stitching. The web may be tacked, by localized heating, to one piece. Alternatively, tents or protective canvas covers may be manufactured and the fastening means may comprise rivets.  Heat and pressure may be applied to form the temporary bond with a heated iron, a steamheated garment press or a progressive heating and pressing device.  For bonding wool, the adhesive web may have activation temperatures of 250-350‹ F. and, for cotton, 250-450‹ F. Preferably, the adhesive web comprises a non-woven sheet of filaments having a thickness of 0À003-0À010 inch randomly disposed and adhering to one another at crossing points. The sheet is formed by forcing molten or heat-softened thermoplastic material through spinnerettes to form thin filaments which are collected on a moving conveyer. The filaments are formed at a rate faster than the linear speed of the conveyer. Preferably, the sheet has a weight of 20-60 grams per square yard and there are no openings therein larger than 3/16 inch. Specified materials for the adhesive composition are polyesters and copolyesters, polyesteramides, copolyesteramides, polyamides and copolyamides, thermoplastic cellulose derivatives, such as ethyl cellulose, and the polymers and copolymers of styrene and lower alkyl, e.g. methyl, ethyl, propyl and butyl acrylic esters and methacrylic esters. Preferred compositions are copolyesters which correspond to the condensation and polymerization product of one or more glycols, e.g. butane diol, hexane diol and other aliphatic and cycloaliphatic diols, with a mixture of one or more aromatic dicarboxylic acids, e.g. isophthalic acid, terephthalic acid, phenyl indane dicarboxylic acid and hexahydrophthalic acid, with one or more aliphatic dicarboxylic acids, e.g. azelaic acid, sebacic acid and dimerized linoleic acid, suitably in the mol. ratio of 1 : 3 to 5 : 1.
Patent GB-1259239-A (GB)
IPC: A47C1/024
Filed: 1970-07-10
Abstract: 1,259,239. Clamping devices; telescopic stays. W. H. KOSLOWSKE and P. C. TABOR [trading as METEOR RESEARCH Ltd]. 10 July, 1970 [12 Nov., 1969], No. 33623/70. Headings E2B and E2F. [Also in Division A4] An extensible and contractible link 16 comprises first and second aligned link portions 18, 22 arranged for substantially rectilinear movement toward and from each other, a first plurality of friction plates 26, fixed at one end to the portion 22 and extending toward the other portion 18 substantially parallel to the direction of relative movement between the portions, a second plurality of friction plates 28 fixed at one end of the other portion 18 and extending toward the portion 22 in interleaved relation to the plates 26 and in frictional contact therewith to define a stack of plates, means fixed relative to the stack of plates and having a surface 50 extending at an acute angle to the outermost plate on one side of the stack to define therewith a wedge-shaped space tapering in the direction of said movement, and a roller 58 in the space and of a diameter to simultaneously engage the said outermost plate and the surface 50, and actuating means for selectively moving the roller in one direction in the space to apply transverse pressure to the stack of plates to frictionally bind the plates against relative movement and in the other direction to release the plates whereby the portions 18, 22 may be moved relative to each other. As shown, the back 6 of an automobile seat is pivoted to a frame 2, the back and frame carrying brackets 12, 14 between which the link 16 is pivotally mounted. A yoke 32, supporting an adjustable abutment 34 engageable with the stack of plates carries a clamping and actuating assembly 36 comprising a fixed cylindrical member 38 having the surface 50, and a sleeve 52 having an axial slot 56 in which is positioned the roller 58. A lever 62 on the sleeve and connected to an operating link 70 is rotatable by the link so that the surface 73 of the link abuts a surface 72 of the sleeve 52 whereby the sleeve is rotated to move the roller from the wedged position thereof and relieve the stack of plates of all clamping pressure and permit forward or rearward swinging movement of the seat back 6; a spring 66 acting on a lever 60 fixed to the sleeve controls the wedging force placed upon the roller 58. A spring may be provided between the back 6 and frame 2 of the seat to normally urge the back to swing forwardly.
Patent GB-1288064-A (GB)
IPC: B64F1/02
Filed: 1969-08-14
Abstract: 1288064 Aircraft arrestor gear CCL SYSTEMS Ltd 31 July 1970 [14 Aug 1969] 40684/69 Heading B7G A spacing device for aircraft arrestor gear cables comprises a disc-shaped wear portion 1 which may be of rubber and a bush portion 3 which may be of nylon or other synthetic plastics, and is formed in two halves. As shown the bush portion is fitted into a hole 2 in the wear portion 1 which is large enough to pass over end fittings on the arrestor cable when replacement is necessary. The two halves of the bush portion are held together around the cable by a snap ring 9 which is accommodated in a groove 8, 10, or by a threaded nut, and the wear portion is held between the snap ring or nut and a flange 6. In another embodiment, Fig. 4 (not shown), the wear portion is formed in two halves which are secured between flanges on a one-piece bush portion by clamping bolts. Either the bush portion or the wear portion may be split into more than two parts.
Patent GB-1288074-A (GB)
IPC: F42D3/00
Filed: 1969-03-28
Abstract: 1288074 Thermo-aluminic processes MUREX Ltd 10 June 1970 [28 March 1969] 16545/69 Heading B3V A method of demolishing a structure supported by one or more stanchions comprises applying heat to a portion of at least one of the stanchions so as to soften or melt the portion by placing around it a container having a refractory inner surface and initiating an exothermic reaction in the chamber whereby the structure falls under its own weight or is induced to fall by an applied force. The container may be made from building bricks, or it may have a metal casing joined at its base to the stanchion, e.g. by welding. As applied to a compound stanchion having two pillars 12,13, Fig. 3, joined by support pieces 16, 18, the sand lining 22 is shaped to provide reaction chambers 24, 26, 28 and 30 at the corners. If three or more pillars are used, at least one portion of at least one support piece may be cut away to allow access of material to the inner pillars. A force may be applied to the structure by a ram or cable, and the structure may also be cut by an oxy-acetylene torch.
Patent GB-1296271-A (GB)
IPC: C21C7/06
Filed: 1970-04-24
Abstract: 1296271 Continuous casting VEREINIGTE OSTERREICHISCHE EISEN-UND STAHLWERKE AG 24 April 1970 [2 June 1969] 19913/70 Heading B3F [Also in Division C7] Molten steel is alloyed and deoxidized by introducing a steel jacketed aluminium wire into a bath of molten steel. In a continuous casting process steel (having been treated by the addition of aluminium billets in a ladle (not shown)) is poured in a stream 1 into a tundish 2 and from thence to a continuous casting mould (not shown) through a tube 3. An aluminium rod 6 with a steel coating 7 is introduced into the steel within the tundish below the turbulent stream 1 to melt the steel coating and distribute liberated molten aluminium evenly throughout the steel. If desired, the steelcoated aluminium rod can be fed directly into the melt in the casting mould.
Patent GB-1303652-A (GB)
IPC: G07F17/42
Filed: 1969-01-11
Abstract: 1303652 Ticket issuing apparatus NATIONAL RESEARCH DEVELOPMENT CORP 30 Dec 1969 [11 Jan 1969 22 Oct 1969] 40301/72 and 40287/72 Divided out of 1303651 Heading G4T The description is substantially identical to the parent application, but the claims are directed to ticket or token issuing apparatus.
Patent GB-1308963-A (GB)
Title: Gap control apparatus
IPC: F01D11/18
Filed: 1970-05-30
Abstract: 1308963 Seals DEFENCE SECRETARY OF STATE FOR 1 June 1971 [30 May 1970] 26186/70 Heading F2B [Also in Division F1] A mechanism for maintaining the clearance between two relatively movable members substantially constant comprises means for varying the temperature of a temperature responsive control member when the clearance changes, the control member expanding or contracting so as to produce relative movement between the two members and thus restore the clearance to its desired value. In one arrangement means to maintain the clearance between a sealing member 61 and a rib 62 on the shround 63 of a gas turbine rotor blade 64 comprises a control tube 60 anchored at its end remote from member 61 and supplied at the fixed end with low pressure cooling air. At its free end tube 60 has an orifice 65, the leakage of hot working gas through which depends on the position of flange 66 on shroud 63, i.e. on the clearance between member 61 and rib 62. Thus when the clearance increases more hot gas flows through orifice 65 causing tube 60 to expand and thus restore the clearance to its desired value. Figs. 5, 6 (not shown) illustrate slightly modified arrangements of tube 60. In a more elaborate arrangement (Fig. 2, not shown), the control tube (26) is surrounded by two further tubes (40, 42) spaced therefrom to provide ported flow passages for the flow of hot gas and cooling air, the rest of tubes being disposed in the by-pass duct of a gas turbine by-pass engine. Several such tube assemblies are angularly spaced about the engine to prevent skewing of the sealing member. In modifications the control tubes may be replaced by solid rods or bimetallic strips and heating of the control members may be effected by burners which play hot gases on to the members in dependence upon the size of the sealing clearance.
Patent GB-1319055-A (GB)
Title: Vibration transducer mounting arrangement
IPC: G01H1/12
Filed: 1969-05-28
Abstract: 1319055 Vibration transducers RANSOME HOFFMANN POLLARD Ltd 4 June 1970 [28 May 1969] 1069/73 Divided out of 1319053 Heading H4J A transducer for converting mechanical vibrations of a body into electrical signals comprises a flat-ended probe 10 for contacting the body, which probe passes through a rubber grommet 6 to transmit the vibrations to a piezoelectric element 4 biased towards the probe 10 by a spring 5. The spring 5 is damped by a core of polyurethane foam material 9 and is located by a nylon bush 7 and boss 8. The transducer has a flat frequency response in the range from 50 Hz to 5 kHz and can be used to measure the noise level in rotary bearings.