baber/WOPTO huggingface dataset:
Patent GB-1055930-A (GB)
Title: Improvements relating to indicator lamps for vehicles
IPC: B60Q1/26
Filed: 1964-12-04
Abstract: 1,055,930. Vehicle-indicator lamps. FLEXIBLE LAMPS Ltd., and G. L. FLEWITT. Dec. 3, 1965 [Dec. 4, 1964], No. 49478/64. Heading F4R. A lamp for mounting obliquely at the corner of a vehicle comprises a base 10 of rubber having an inturned rim into which the edge of a shell of transparent plastics material can be sprung, the shell having a -front portion 14 consisting of a front face and two inclined faces 19 joined to a smaller rear portion 15 consisting of a rear face and two inclined faces 21 by a tap wall 24 flanked by tapering portions 26. The front and rear portions are inclined to the normal to the base so that the optical axes of lenses formed on the front and rear faces are more nearly parallel to the fore and aft line of the vehicle than if the lamp were symmetrical in cross section. The base is symmetrical so that the lamp can be mounted the other way up on the opposite side of the vehicle. The base carries an asymmetrical bracket to support a bulb holder, which can also be reversed to correspond to the inclination of the shell. Fresnel lenses are secured to the inner sides of the front and rear faces and the wall 24 is also formed as a Fresnel lens, the remainder of the surface of the shell haying a pattern of refracting ribs.
Patent GB-1435686-A (GB)
Title: Coated paper
IPC: D21H21/44
Filed: 1972-04-26
Abstract: 1435686 Security paper CULTER GUARD BRIDGE HOLDINGS Ltd 25 June 1973 [26 April 1972] 49571/71 Heading B6A [Also in Division B2] Security paper which is tamperproof to alteration involving abrasion of its surface comprises a paper base layer and an abradable top coating of a non-metallic pigment dispersed in a binder, the top coating being not readily transferred to other surfaces by the action of pressure alone and the top coating and base layer having contrasting appearance when suitably illuminated so that alteration involving abrasion of the top coating can be visually detected. The paper may be coated on both sides, be carbonized on one side, be covered with transparent or windowed protective sheets, held in a protective envelope or be incorporated into a pad including conventional paper sheets and carbons. The pigment may be china clay or titanium dioxide and the binder starch, casein, acrylic, styrene/acrylic or styrene/ butadiene. The base layer, may be a dyed portion of the paper and may include a fluorescent material which is visible through an abraded coating when viewed in ultra-violet light. The top coating may include material which loses or changes its colour on contact with an ink solvent, and a fluorescent material which contrasts with fluorescent material in the base layer when viewed in ultra-violet light.
Patent GB-1507599-A (GB)
Title: Process for hydride transfer reduction rearrangement of 8-exo-hydroxymethyl-endotricyclo(5.2.1.02,6)decane
IPC: C07C1/00
Filed: 1976-11-29
Abstract: 1507599 Tricyclo[5,3,1,0<SP>3,8</SP>]undecane KAO SOAP CO Ltd 29 Nov 1976 [4 Dec 1975] 49687/76 Heading C5E Tricyclo[5,3,1,0<SP>3,8</SP>]undecane of the Formula II is prepared by the hydride transfer arrangement of 8-exo-hydroxymethyl-endo-tricyclo[5,2,1,0<SP>2,6</SP>] decane of the Formula I in the presence of concentrated H 2 SO 4  and a hydride source, e.g. a C 5 -C 10  aliphatic or alicyclic hydrocarbon. The reaction may be carried out at -20 to + 100‹C.
Patent GB-1285107-A (GB)
Title: Clock with digital display
IPC: G09F9/302
Filed: 1970-10-20
Abstract: 1285107 Electronic watches MANUFACTURE DES MONTRES ROLEX S A 20 Oct 1970 [21 Oct 1969] 49705/70 Heading G3T A battery powered electronic timepiece comprises a digital display panel of electroluminescent elements which are selectively energized by current pulses from integrated circuit logic units and frequency dividers fixed on the rear of the panel, the pulses being derived from a time base including a quartz crystal oscillator or tuning fork. The display panel may indicate hours, mins, secs in a 12 hour or 24 hour cycle system, also the date. The panel is arranged to be readily detachable from the timepiece case and from the time base and power source. The elements 14 may be arranged as shown, Fig. 1, and may be electroluminescent diodes each diode having a terminal pin 15 connected respectively by wires 29, Fig.2, to frequency dividers in an integrated circuit 29, and being embedded in insulating material 33. The other terminal of each diode element contacts a conductive layer on the rear surface of a transparent plate 31 and connecting the other terminals to a pin 16. The pin 16 engages a socket in the timepiece casing and connected to the time base oscillator. Two other pins (not shown) connect the panel to the battery. There may be nine integrated circuits as circuit 28, a respective one to each time display cell 1 to 6 and a respective one to each pair of date indice cells 9-10, 7-8, 11-12. The display cells may alternatively comprise an active medium between the transparent conductive plate and the cell bottom and insulated from elements 14 which may be aluminium. The active medium may be a liquid of crystalline structure which is normally transparent and becomes opaque in an electric field or it may be a solid layer with a phosphorous base, the field being produced by a current pulse between the respective element 14 and conductive plate. As further alternatives each display cell may comprise a matrix of diodes, as illustrated, Fig. 3 (not shown), or a matrix of luminescent-gas tubes.
Patent GB-1147998-A (GB)
Title: Diaphragm displacer unit
Inventor: MOULTON ALEXANDER ERIC
IPC: F16F9/10
Filed: 1966-11-08
Abstract: 1,147,998. Springing unit. MOULTON DEVELOPMENTS Ltd. 3 Nov., 1967 [8 Nov., 1966], No. 49929/66. Heading F2S. An hydraulic displacer unit for use in a fluid pressure system comprises an opposed pair of generally cup shaped open mouthed rigid metal housing members 21, 31 arranged spaced apart with their open mouths facing towards one another, a rigid piston member 40 associated with each housing member and movable inwardly and outwardly of its mouth, a pair of annular flexible diaphragms 41 respectively bridging each respective piston and its associated housing member and each diaphragm with each piston and its associated housing defining a fluid filled chamber 42. The two pistons 40 are rigidly joined to one another, each piston being of hollow tubular form to define a fluid-filled passage way hydraulically interconnecting the two chambers. Alternatively the pistons 40 may be solid wherein a pipe 46 externally of the unit which opens into the two chambers may define the interconnecting passage way. Each diaphragm is arranged to roll between a generally frusto-conical skirt 52 extending from the mouth of its associated housing member, and a frusto-conical skirt 53 formed on its associated piston member. The unit is interconnected with an hydraulic accumulator spring (not shown) by means of a conduit pipe connected to a nipple 21a. A resilient bump stop device (e.g. a bellows like rubber spring) may be connected between the housing members 21, 31. When the housing members are urged towards one another, the two pistons move inwardly of the mouths of their associated housing members causing fluid to be displaced from the unit as a whole through nipple 21a into the hydraulic accumulator spring, and vice versa.
Patent GB-1223127-A (GB)
Title: Improvements in and relating to electrochemical cells
Inventor: TAPSELL PHILIP
IPC: H01M12/06
Filed: 1967-11-02
Abstract: 1,223,127. Gas depolarized cell. ENERGY CONVERSION Ltd. 31 Oct., 1968 [2 Nov., 1967], No. 49955/67. Heading H1B. A support member for a cathode of a gasdepolarized cell in a battery comprises an intercell separator member with a mount for a cathode in a recess on one side, and on the other side a plurality of spaced projections 3 are so arranged as to co-operate with those of the next cell when assembled in a battery, thus enabling fluid to circulate to the respective cathodes of adjacent cells. The member may be formed by injection moulding in polystyrene or in acrylonitrile-butadiene-styrene copolymer as a frame with a number of parallel strips which are at 45 degrees to the surrounding frame sides, which strips bear the projections 3. A bicathode member, Fig. 4, may be formed by arranging two support members face to face with the projections contacting outwardly and the cathode bearing faces being spaced to receive anode 14, e.g. of porous zinc. These bi-cells which may be air depolarized can be assembled to form a battery. A separator paper in which electrolyte is held is applied to each side of the anode before assembly. The cathode may be made by coating, rolling or spraying one surface of a porous film of hydrophobic polymer material such as p.t.f.e. with a dispersion of p.t.f.e. and Pt black, or carbon or graphite may be used as catalyst with or without silver.
Patent GB-1470159-A (GB)
Title: Shielded connector
IPC: H01R13/6599
Filed: 1975-12-05
Abstract: 1470159 Shielded connector INTERNATIONAL BUSINESS MACHINES CORP 5 Dec 1975 [30 Dec 1974] 49962/75 Heading H2E  A coaxial cable connector comprises a hollow insulator housing 10 surrounding line contact means of the cable, the housing having a conductive shield comprising a metal coating 16 deposited on the housing, the coating being connected to the conductive shield 44 of the cable, and a metal shield 20 folded round and in separate contact with each of the coating and the cable shield to connect them together. In an embodiment the housing (Fig. 1) is a one piece moulded plastic insulator member 10 coated with silver, gold or preferably aluminium; the front end 12 is hermaphroditic. The coating is provided on the outer surfaces only, by vacuum deposition. A serpentine hermaphroditic contact (18, Fig. 4, not shown) connected to the cable 46 is inserted in the housing 10 through tubular end 14 (Fig. 2, not shown). The outer shield 20 (Fig. 3), made of phosphor bronze, is adapted to fold about housing 10; it has a positive latch mechanism 26 a stop tab 25, wing members 24 for locating and supporting the connector in a shroud 40, 40a (Fig. 7) a spring member 28 for locking the connector within shroud 40, a beam member 42, which contacts the outer shield 20 on the other connector half (Fig. 5). Fig. 5 shows the halves of the hermaphroditic connector; the metallic coatings on housings 10, which are connected to the shields 44 of cables 46 provide a continuous shield round the connection, which in conjunction with the outer shields 20 provide a complete 360 degree shielding of the contacts (18) of the cables 46. Fig. 7 shows the connection with the outer shrouds, identical hermaphroditic halves 40 and 40a, in place.
Patent GB-1522207-A (GB)
Title: Magnetic tape cartridge
IPC: G11B23/107
Filed: 1975-12-05
Abstract: 1522207 Tape cartridge BASF AG 5 Dec 1975 [7 Dec 1974 21 March 1975] 49985/75 Addition to 1488273 Heading B8M A spring 14 of a cartridge 2 urges two hollow parts 23 and 24, which form the housing of the cassette, towards each other to a closing position to enclose a tape roll 18 mounted therein; and also acts as a sole hinge for the two parts. The spring 14 is omega-shaped at its centre and has arms 47 and 48 disposed respectively in the parts 23 and 24. The omega shaped portion 26 embraces projections 27 and 28 on the housing which define a gap 36. The angle of this gap 36 determines the desired opening angle when the parts 23, 24 are swung apart to expose the roll 18 to a capstan 39 of a tape-handling apparatus in use. The spring 14 is preferably a leaf spring, A second spring 19 has a slot 32, Fig. 4, through which roll 18 projects in use. The spring 19 has projections 31 which engage projections 30 in the housing when the parts 23, 24 are completely attached together in the closing position, and which engage projections 35 in the housing when the parts 23, 24 are swung apart thereby defining a limiting opening angle for the cartridge. The spring 19 is slightly bowed so that it too exerts a closing force on the cartridge parts. Projections (not shown) of the apparatus enter slots 34 in the cartridge housing and lift the projections 31 clear of the projections 30 during cartridge insertion. Each projection 30 has steep sides to allow the projections 31 to engage and disengage from the projections 30. Both parts 23, 24 have co-operating teeth 25 or tongue-and-groove to interlock together. The turns of the tape roll 18 are held together by springs not shown). The roll 18 is mounted on a hollow hub 15 operated by a shaft of the apparatus entering an opening 44 in the cartridge housing. The shaft is displaceable to displace the roll 18 towards and away from the capstan 39. In another embodiment, Fig. 8 (not shown), only the ends of the arms 47 and 48 of a leaf spring (45) are connected to the respective parts 23 and 24 by member pairs (51), (52) on the cartridge housing engaging aperture pairs (49), (50) on the arms 47, 48.
Patent GB-1221620-A (GB)
Title: Double seat fluid control valve
IPC: F16K1/38
Filed: 1969-10-13
Abstract: 1,221,620. Valves. AUTOCLAVE ENGS. Inc. 13 Oct., 1969 [11 July, 1969], No. 50197/69. Heading F2V. A valve comprises a closure member 9 having a face 10 to co-operate with a seat 7, mounted on an inner stem 8, an outer stem 13 slidably mounted on the stem 9 and having a face 15 adjacent a back face 11 of the member 9, an annular plastic seal abutting the faces 11 and 15 which are biased into contact by a spring 17, a packing 22, 23, 24 sealing the stem 13 and the valve housing, the outer stem being screwthreaded at 21 to a mounting sleeve 26 so that when it is rotated by a handle 30 it carries the inner stem 8 and closure member 9 to the seat 7 until they abut, and further movement deforms the plastic seal into contact with the wall of the valve body. In the Figure, the plastic seal is formed by an inner rubber ring 19, and an outer P.T.F.E. ring 20. In the closed position the seal is assisted by fluid pressure acting on the upper face of the ring 20. The face 10 of the closure member 9 can be conical, paraboloidal, or spherical.
Patent GB-1423509-A (GB)
Title: Method and apparatus for testing an object
IPC: G01B11/16
Filed: 1972-11-02
Abstract: 1423509 Holographic vibration analysis ROLLS-ROYCE (1971) Ltd 29 Oct 1973 [2 Nov 1972]  50634/72 Heading G2J A method of testing an object e.g. a turbine blade 18 with a large amplitude of vibration comprises splitting laser beam 11 into two portions 14, 15; illuminating the object 18 with one portion 14; causing the object to vibrate (e.g. with vibrator 34); modulating the phase of one of the beam portions (15) in Fig. 1 in predetermined phase relationship with the vibration of the object and causing the radiation scattered from the object together with the reference beam portion 15 to fall upon a photographic emulsion 20 to form a hologram. In the arrangement of Fig. 1, the output from oscillator 30 is divided into two portions whose relative phase is adjustable at 31 and which are amplified at 32, 33 to drive vibrators 34, 35 provided on the blade 18 and mirror 27 respectively. Mirror 27 acts on the reference beam 15 and forms with a mirror 24 on the back of the blade, beam-splitter 21 and photo-detector 25 a Michelson interferometer which monitors the relative vibrational phase of object 18 and mirror 27. Beam-splitter 21 is removed during exposure of the hologram. Instead of the Michelson interferometer, a strain gauge may be used.
Patent GB-1028440-A (GB)
Title: Improvements in or relating to sound motion picture apparatus
Inventor: GOULD KENNETH GEORGE
IPC: G03B31/02
Filed: 1964-12-14
Abstract: 1,028,440. Sound attachments for silent cine projectors. K. G. GOULD. Dec. 14, 1964, No. 50851/64. Heading G5R. An add-on sound head attachment for substandard silent film projectors comprises a film transporting sprocket driven by an endless belt from a film transporting sprocket of the projector. The sound attachment is preferably of the tight loop type having a single film transporting sprocket, a film driven flywheel, and resiliently mounted jockey rollers engaging the film loop. The attachment is mounted adjacent the usual top or bottom sprocket of the projector so that the belt can engage that sprocket and the sprocket on the attachment, the belt being provided with sprocket tooth engaging holes.
Patent GB-511216-A (GB)
Abstract: 511,216. Cigarettes. KIEHN, F., (trading as EFKA-WERK F. KIEHN). April 21, 1938, No. 12013. Convention date, April 2. Drawings to Specification. [Class 130] [Also in Groups XVII and VIII] In order to produce cigarette papers having toothed or serrated edges, a delivery device for cigarette paper comprises means for receiving a roll or paper of width equal to the length of a cigarette and apart with a serrated or toothed edge against which individual cigarette papers can be torn from the roll. Specifications 377,970 and 431,174, [both in Group XVII], are referred to.
Patent GB-511277-A (GB)
Abstract: 511,277. Inductance and capacitance measurements, determining physical dimensions. BRITISH THOMSON-HOUSTON CO., Ltd. Nov. 12, 1937, No. 31172. Convention date, Sept. 25. [A Specification was laid open to inspection under Sect. 91 of the Acts, May 13, 1938.] [Class 37] [Also in Group XXXVIII] An electromagnetic dimension gauge comprises a pair of superposed wound pot magnets 23, 24 connected in an alternating-current bridge circuit (not shown), the armature 15 being located between the magnets and being connected to a feeler 13, the uppermost magnet being adapted to be connected to a source of continuous-current for temporarily raising the armature and feeler parts 13, 15 from the workpiece. The indicating instrument is shortcircuited, or the applied bridge voltage is disconnected, by switch means. when the continuous current energisation is in operation. The armature 15 has its surface in proximity to the magnet 23 coated with non-magnetic material. The Specification as open to inspection under Sect. 91 comprises Fig. 1 (Cancelled), wherein an alternating-current bridge contains measuring-coils 2, 3 and resistors 4, 5, in opposite arms, the output diagonal comprising rectifiers and resistors 8, 12, 9, 11, in opposed circuits. The coils 2, 3 may be mounted on an E-shaped core 13, Fig. 2 (Cancelled), the armature 14 being engaged by a gauge member 16 determining, for example, the degree of machining on a workpiece. If the desired dimension corresponds to the central zero of the instrument scale, automatic switching off can be employed, or if the switching is not effected automatically, a degree of tolerance as shown by the instrument deflection can be allowed for on either side of the zero. Instead of inductance variations, capacitance changes can be made responsive to the gauge movements. Where a number of gauging members are in operation, or where internal dimensions are required, compact constructions embodying pot magnets can be employed. Fig. 4 (Cancelled) shows the coils 2, 3, which may be bifilarly wound, mounted in a pot 13, the gauge member 16, 17 and armature 14<1> sliding with slight play in the bore 13<1>. If the top part of gauge member is non-magnetic, two airgaps a, b are formed and added sensitivity thereby obtained. This subject-matter does not appear in the Specification as accepted.
Patent GB-1405496-A (GB)
Title: Drum grappling hook
IPC: B66C1/62
Filed: 1972-11-07
Abstract: 1405496 Latches B MOUTHAAN 7 Nov 1972 [10 May 1972] 51218/72 Heading E2A [Also in Division B8] A drum grappling hook 1, for use in gripping and lifting a drum which terminates at its upper end in a rim which projects radially outwardly of and above the end of the drum, comprises a housing formed of two spaced apart plates 2 (only one shown) which are interconnected by a bridge portion 3, a slot 4 being formed by the plates 2 and the lower end of the bridge portion for receiving the drum rim which is held in the slot 4 by means of a catch 5 rotatably mounted on a pin 6 and urged by means of a curved leaf spring 7 to its operative position shown in which it occludes the open end of the slot 4 to engage under the drum rim, the hook I being releasable from the drum by means of an operating member 11 connected to the catch 5 which is pushed inwardly against the action of the spring 7. A helically wound spring 18, which is shown in phantom lines, may be used instead of the spring 7. The hook 1 is attached to the cable of a hoist (not shown) by means of a bolt (16), Fig. 1 (not shown), the bolt (16) passing through an aperture 15 in each plate 2.
Patent GB-1482430-A (GB)
Title: Closure arrangement
IPC: F16J13/24
Filed: 1974-11-28
Abstract: 1482430 Closure for resisting fluid pressure OMV AG 28 Nov 1974 [28 Nov 1973] 51554/74 [28 Nov 1973] Heading F2P A closure means comprises a lid 3, for closing an opening in a tube 1, secured in a closed position by a retaining nut 4 which threadedly engages tube 1 at 10. A sealing ring 18 is provided and a ring 12 of material having a low coefficient of friction is situated between the nut 4 and lid 3. A bifurcated protrusion 20 attached to the retaining nut 4 engages a closure cap 24 of a venting valve mounted on the tube 1 to prevent rotation of the retaining nut prior to the removal of said closure cap. When said closure cap 24 is unscrewed, a ball 26 is displaced to uncover a vent 21 and allow pressure within the tube 1 to escape. The lid 3 may be hingedly attached to the tube 1 (Fig. 2, not shown). In a further embodiment (Fig. 4, not shown, and Fig. 5) a lid 28 threadedly engages a retaining nut 30 which is retained on a tube 1 by a flange 27. A venting valve mounted on the lid 28 is closed by a closure cap 42 which is engaged by a protrusion 43 attached to the retaining nut 30 to prevent rotation of said retaining nut prior to removal of said closure cap. The retaining nut 30 is in two parts connected by connecting joints (Fig. 4, not shown).
Patent GB-1501718-A (GB)
Title: Nematic liquid crystal material
IPC: C09K19/46
Filed: 1975-12-17
Abstract: 1501718 Liquid crystal compositions SUWA SEIKOSHA KK 17 Dec 1975 [23 Dec 1974 25 Dec 1974 26 Dec 1974 30 Jan 1975] 51641/75 Heading C4X A nematic liquid crystal composition comprises at least one compound of the formula together with at least two compounds each with a respective different general formula selected from the general formulae where R and R' are n-alkyl groups with 1-9 carbon atoms and may be the same or different. The composition preferably has a nematic range encompassing the range 0-50‹ C. Two of the preferred embodiments also include p-n-heptyl-p<SP>1</SP>- cyanobiphenyl and p-methoxyphenol respectively. The compositions generally have positive dielectric anisotropy and are useful in field effect electrooptic display devices, e.g. in a wristwatch or calculator. Reference has been directed by the Comptroller to Specifications 1,373,610, 1,418,441 and 1,410,582.