baber/WOPTO huggingface dataset:
Patent GB-1151725-A (GB)
Title: Register controlling sytem.
IPC: G06F9/302
Filed: 1966-05-24
Abstract: 1,151,725. Digital computers. HAYAKAWA DENKI KOGYO K.K. 24 May, 1966 [24 May, 1965], No. 23097/66. Heading G4A. In an arithmetic unit two operands may be transferred to different parts of the same register and operated on by different instructions by giving a single digit position between the two operands a " boundary code" " value which initiates a signal to substitute for the set of instructions which have been performed on the digit positions preceding the boundary code position, a new set of instructions to be performed on the digit positions following the boundary code position. If each digit is in binary coded form represented by a train of four pulses, any of the 16 digit values that can be represented by such a pulse train, other than the values 0-9, may represent the boundary code. In particular the boundary code may be specified by 11xy, where x, y are arbitrary and may be used as a parity check. The appearance of a boundary code digit value is recognized by a judging circuit which then supplies a continuous output to an instruction selection circuit for the remaining part of the register word output, the instruction selection circuit, having selected a particular set of instructions for the first part of the register word, then selects new instructions for the remaining part of the register word.
Patent GB-601022-A (GB)
Title: Improvements in cathode-ray tubes
IPC: H01J29/78
Filed: 1944-11-22
Abstract: 601,022. Cathode-ray tubes. GENERAL ELECTRIC CO., Ltd., and HILL, R. T. J. Nov. 22, 1944, No. 23189. [Class 39 (i)] A cathode-ray tube of the kind having means for forming a circular trace has the central portion of the end wall inwardly cupped ; the inner surface of this cup is coated with an electrically conducting material such as graphite to provide the deflecting electrode, and the fluorescent screen occupies the annular portion of the end wall surrounding the cup. In a modification, the cup is formed wholly of metal, sealed into an annular glass end wall.
Patent GB-1422682-A (GB)
Title: Azo pigments derived from 1 -aminoanthraquinones and acetoacetic acidamides
IPC: C09B29/33
Filed: 1973-05-16
Abstract: 1422682 Azo pigments derived from 1-aminoanthraquinones and acetoacetic acid amides BADISCHE ANILIN- & SODA-FABRIK AG 16 May 1973 [17 May 1972] 23223/73 Heading C4P Novel azo pigments of the formula (wherein R<SP>1</SP> is H or is Cl in the meta- or paraposition to the diazo group and R<SP>3</SP> is a phthalimido radical in the meta- or para-position) are prepared by conventional coupling of diazotized 1-aminoanthraquinones with phthalimidoacetoacetanilides. To optimize their properties they may be after-treated by heating in water or an organic solvent such as glacial acetic acid. The novel pigments are yellow and have use for colouring surface coating compositions, e.g. paints, and plastics material and for producing printing inks. The coloration of a baking- varnish based on coconut alkyd resin and melamine resin, of polystyrene and of rosin modified with phenol-formaldehyde is described. Specification 1,224,739 is referred to.
Patent GB-1134665-A (GB)
Title: Laser frequency translator
IPC: G02F1/03
Filed: 1966-05-25
Abstract: 1,134,665. Light modulators. HUGHES AIRCRAFT CO. 25 May, 1966 [25 May, 1965], No. 23293/66. Heading H4F. [Also in Division H1] To shift the frequency, i.e. frequency modulate a plane polarized laser beam 17, Fig. 1, circularly polarized microwave energy is propagated in an electro-optic half-wave plate 21 disposed between quarter-wave plates 11 and 15 by means of a broad band waveguide section 23, Fig. 2, disposed about plate 21. Half-wave plate 21 may comprise liquid nitrobenzene and be disposed within a quadruple-ridged waveguide 23, the ridges of which provide a strong rotating electric field along the centre of the waveguide, i.e. within the half-wave plate 21. In operation the first quarter-wave plate 11 transforms the plane polarized laser beam 17 into clockwise circularly polarized light, halfwave plate 21 transforms this into counterclockwise polarized light with an effective phase shift depending upon the position of the electric field, and quarter-wave plate 15 transforms this back into plane polarized light shifted in phase with respect to the incident laser beam. Since the direction of the electric field in the ridged waveguide is constantly changing, the phase shift is constantly changing (increasing or decreasing depending on the direction of rotation of the electric field) between the incident and emergent laser beam. This constantly changing phase shift is equivalent to a change in frequency, the magnitude of which depends on the frequency of the microwave energy. The circularly polarized microwave energy is derived from a source 25 by means of a 90 degree hybrid junction 29 fed at its first port 28 directly and at its second port 36 directly or via a microwave 180 degree phase shifter 39 depending on the direction of rotation of the circularly polarized microwave required. After travelling through the ridged waveguide 23, the microwave energy propagates through waveguide 47 to an output 90 degree hybrid junction 51, the two ports of which are terminated to prevent any energy being reflected. Holes in the waveguides, such as 61, Fig. 2, are provided for the laser beam. The magnitude of the input microwave energy is adjusted so that the electro-optic material 21 acts as a half-wave plate. In a second embodiment, Fig. 3 (not shown), the initial quarter-wave plate (11) is followed by three half-wave elements (71, 73 and 79) with adjacent half-wave elements having opposite senses of positive rotation, the first two half-wave elements being of the fixed frequency narrow band type while the third is a variable frequency wide band type similar to the half-wave plate in Fig. 2. The round waveguide section 23 of Fig. 2 may be replaced by a square quadruple-ridged waveguide, Fig. 4 (not shown).
Patent GB-1175726-A (GB)
Title: Buckle for Safety Belts
Inventor: SCHLEER HILMAR
IPC: B60R22/32
Filed: 1967-05-19
Abstract: 1,175,726. Safety belt buckles. H. SCHLEER. 19 May, 1967, No. 23294/67. Heading E2B. A safety belt buckle 1 comprises a housing 3 formed by one member, a locking bolt 4 formed on another member and removably insertable in the housing, a nose 15 protruding from the bolt 4 intermediate the ends thereof, a locking pawl 6 pivotal in the housing and adapted to move from an end position via a normal locking position in which it engages behind the nose on the bolt into a second end position in which the belt is locked under maximum stress therein, a tension spring 9 connected between the housing and the pawl, a stop 14 traversing the housing and limiting the swing of the pawl 6 in its second end position and a pair of spring-loaded stops 13 which allows the tension spring to pivot the pawl directly from the second end position via the locking position to the first end position. As shown, the bolt 4 is retained in its normal position Fig. 2, by the pawl 6 against the tension spring 9 and the pair of spring-loaded stops 13. The tongue is prevented from being separated from the housing under sudden tension on the strap, by the stop 14, but when the tension is relaxed, the tension of the spring 9 overcomes the stops 13 and returns the pawl and bolt to the Fig. 1 position. The pawl is also movable to and from the normal positions, Fig. 2, by a lever 17 which may be connected to the pawl through gearing and which may also be connected to the stops 13.
Patent GB-316561-A (GB)
IPC: H01J35/12
Filed: 1929-07-30
Abstract: 316,561. British Thomson-Houston Co., Ltd., (Assignees of Thelen, J. S.). July 30, 1928, [Convention date]. R÷ntgen-ray tubes.-The anode of an X-ray tube is screwed to the side of a tank enclosing the tube and furnished with an opening through which a stem attached to a heat-absorbing mass and fitting into the anode, which is hollow, can be withdrawn and replaced by a cool stem. The tank 10, which may contain oil, may be corrugated and made of aluminium, and provided with a window for the emission of X-rays. The anode 13 of the tube 15 screws on to a boss 16 on the wall of the tank, a sealing-washer 35 being provided. The anode is formed with a hollow 17 into which fits a stem attached to a block 19 screwing into a socket 18 in the side of the tank 10 and provided with a heat-insulated handle 20. The anode and the secondary of the transformer supplying current to the tube are grounded on the tank 10.
Patent GB-215259-A (GB)
Title: Improvements in screw-down valves
IPC: F16K21/04
Filed: 1923-09-19
Abstract: 215,259. Johnson, O. C. Sept. 19, 1923. Lift valves.-A screw down valve is provided with two faces e<1>. and with two oppositely-disposed seatings formed on a casing part a and an inlet nozzle b, respectively. The valve spindle d projects upwards and abuts against a screw cap c, mounted as shown, and provided with a movement - limiting screw device a<3>, c<1>. In normal working the valve is closed either by screwing down the cap, or by retracting the same to permit the fluid pressure to force the valve up to the opposite seating. The delivery nozzle f is integral with the casing. The above construction enables the parts to be produced in a lathe from bar brass &c. as distinguished from moulding.
Patent GB-1271616-A (GB)
Title: Buckle for a strap
Inventor: GUILLERMIN PIERRE
IPC: A44B11/12
Filed: 1970-05-15
Abstract: 1,271,616. Buckle. F. BAUMGARTNER S.A. 15 May, 1970 [20 May, 1969], No. 23546/70. Addition to 1,087,010. Heading E2A. A buckle for a strap &c. of a wrist-watch, for example, comprises a frame 1, having cross-members 1a, 1b and 1d and a member 4 which, having extensions 4d, is pivotally connected to the frame 1. The latter, is made of synthetic plastics material and having a crossbar 2, is connected to an end 3a of the strap. The member 4 is also made of synthetic plastics material and is provided with sides 4c specially shaped to facilitate resiliency thereof. In use the member 4 is moved to the position shown in Fig. 1, the other end 3b Fig. 2, of the strap is then admitted and tightened. The sides 4c allow the member 4 to be deformed in order to pass the crossmember 1a of the frame 1 and the resiliency of the member 4 then urges its cross-member 4a against the end 3b of the strap. Thus a gripping action is produced by means of the resilience of the member 4 and by the wedging action of the cross member 4a when a force is applied to the strap. The cross-member 4a may be provided with gripping grooves 5.
Patent GB-479947-A (GB)
Title: Improvements in differential piston circuit breakers
IPC: H01H33/96
Filed: 1936-08-27
Abstract: 479,947. High - tension switches. ALLMANNA SVENSKA ELEKTRISKA AKTIEBOLAGET. Aug. 27, 1936, No. 23552. Convention date, Aug. 28, 1935. [Class 38 (v)] An extinguishing chamber for a circuitbreaker having a differential piston 12 actuated by the pressure generated by the arc formed on separating the contacts 1, 10, includes an insulating wall 18 through which the movable contact passes, the wall being so arranged that, during the first part of the interruption period, it is moved towards the stationary contact 1 by the pressure generated by the arc. This movement results from the pressure produced in the space 21 below the wall 18 when the piston 12 is forced downwards by the pressure generated by the arc. The wall is carried by a cylinder 17, and its movement is damped by a dashpot device 25, the extent of the movement being inversely proportional to the pressure generated by the arc, so that the wall moves nearer to the fixed contact when heavy currents are interrupted than when lighter currents are interrupted. During the latter part of the interruption period, a projection 15 on the piston 12 engages a shoulder 20 on the cylinder 15 and couples the piston to the cylinder carrying the wall 18, so that the latter is moved away from the contact 1. The Specification as open to inspection under Sect. 91 comprises also a construction, Fig. 1 (Cancelled) in which the extinguishing chamber 37 is movably mounted on a rod 36 secured to the lead-in insulator 31. The pressure generated in the space 44 on separation of the contacts 40, 41 is transmitted through a channel 45 to the space 46 between the upper wall 34 of the chamber 37 and a plunger 32 secured to the end of the rod 36. The space below the plunger is in communication with the atmosphere through a channel 47, so that the pressure generated by the arc moves the whole extinguishing chamber bodily upwards, and carries the insulating wall 38 forming the bottom of the chamber nearer to the fixed contact 41. This subject-matter does not appear in the Specification as accepted.
Patent GB-642294-A (GB)
Title: Improvements in and relating to the mounting of gas turbine units
Inventor: HUGHES JOHN OLIVER PHILID
IPC: F01D25/28
Filed: 1948-09-08
Abstract: 642,294. Gas turbine plant. ENGLISH ELECTRIC CO., Ltd. Sept. 8, 1948, No. 23611. [Class 110(iii)] [Also in Group XXXI] A gas turbine unit comprising a compressor 12, a turbine 53 and a heat-exchanger 51 is supported in a transverse plane passing through the centre of gravity by engine bearers mounted in two diametrically opposed metal bonded rubber bushes 1 and a third bush 3. A fourth bearer 4 supported in a similar bush may be attached to the air inlet duct 29. Struts 70 attached to the engine bearers at 1 are attached by metal bonded rubber slabs to opposite ends of a semi-elliptical spring 79, the centre of which is fastened to the heatexchanger casing. The engine bearer, or trunnion, 61. Fig. 3, is bolted by its flange 6 to the turbine unit with the intervention of a metal or heat-insulating sheet 6<SP>11</SP>. Cooling air is introduced at 74 to a passage in the eye 72 of a strut 70 and escapes through bore 76 to the open bore 10. The bore 10 may be closed and the sheet 6<SP>11</SP> perforated to permit the cooling air to pass to the unit bearings. The sleeve 71 is of heat-insulating material. Specification 634,554 is referred to.
Patent GB-517936-A (GB)
Title: Improvements in valve devices
IPC: F16K3/24
Filed: 1938-08-10
Abstract: 517,936. Valves. HOWELL, C. H., and BUNGER, H. P. Aug. 10, 1938, No. 23617. [Class 135] A valve device for controlling the flow of fluid at the discharge end of a conduit of large size comprises a cylindrical part 11 supported by brackets 18 and secured to the end of a pipe line 14 by flanges 12, 13 bolted to a concrete block 16 and a conical part 21 reinforced by flanges 23 and supported a spaced distance away from the end of the part 11 by internal radial webs. The valve member comprises a sleeve 26 slidably mounted on the edges of the webs 22 and on ribs 24 formed on the part 11, rotation of the valve being prevented by a shoe engaging one of the ribs. The valve is actuated by bevel gear operating screws on opposite sides of the valve engaging nuts carried by a flange 32 on the valve member. To make the valve fluid tight the end of the part 11 and the part 21 are fitted with expandible packing rings 44, 47 held in place by rings 45, 46 and adapted to be expanded by admitting fluid pressure to the interior. The supply and exhaust of pressure fluid to and from these chambers is controlled by a hand operated valve 52 secured to the pedestal supporting the main valve actuating handle. The pipe 56 controlled by a further valve 78 leads to the packing 47 while 'the pipe 57 controlled by a valve 79 and by a further three-way valve actuated by the movement of the main valve leads to the packing 44. The additional valve is operated by a pair of tappet pins on a plate secured to the flange 32 engaging a lever linked to a crank arm on the valve spindle and is arranged so that it is impossible when the main valve is open, to inflate the outer packing by manipulating valves 52, 79.
Patent GB-419896-A (GB)
Title: An improved tricycle carrier for tradesmen and the like
IPC: B62K7/00
Filed: 1933-08-25
Abstract: 419,896. Carrier tricycles. NEW HUDSON, Ltd., and MOLE, V. H., St. George's Works, Icknield Street, Birmingham. Aug. 25, 1933, No. 23621. [Class 136 (iii).] A carrier tricycle comprises a chassis-like substructure formed of a central member and side members branched therefrom, such members being constructed of sheet or plate metal formed to a channel, rectangular, triangular, or other section ; the steering-head and seat tube may be supported by a tubular superstructure erected on the substructure. As shown, a central inverted channel member a extends from the bottom bracket a<1>, and side members c with the channels facing inwards are bolted at c<1> to the member a and are connected at the rear by a channel member c<2>. The steering-head d is connected to the substructure by twin tubes e, f, the tubes f being bolted to the seat tube g and bent outwardly at f<1> for connection at f<2> to the side members c. The upper end of the seat tube g is supported by stays h.
Patent GB-970913-A (GB)
Title: Improvements in or relating to cycle and like saddles
Inventor: HOLLAND CLEMENT ARTHUR
IPC: B29C43/00
Filed: 1962-06-20
Abstract: 970,913. Cycle saddles. RALEIGH INDUSTRIES Ltd. Sept. 19, 1963 [June 20, 1962], No. 23666/62. Heading B7E. [Also in Division B5] A cycle saddle is made by moulding under heat and pressure a laminate consisting of a mouldable base layer such as canvas impregnated with polyvinyl chloride and a stretchable layer such as polyvinyl chloride. The two layers may be joined together by high-frequency welding and may be heated to soften them before they are placed in the mould.
Patent GB-1352881-A (GB)
Title: Cycloconverters
IPC: H02M5/27
Filed: 1971-04-19
Abstract: 1352881 Control of cycloconverters GENERAL ELECTRIC CO 19 April 1971 [11 March 1970] 23747/71 Heading H2F In a cycloconverter comprising oppositely poled groups of gated power switching devices, rendered conductive under control of gating circuits at appropriate phases of the input voltage, the gating circuits are biased so that the direct voltage level of the output of oppositely poled groups of switching devices differ by a fixed amount (Fig. 7) so as to reduce circulating current between groups and means are provided, responsive to the transfer of current between groups to cause simultaneous change in direct voltage levels in a common direction by said fixed amount so as to reduce waveform distortion. Fig. 1 (not shown) relates to a cycloconverter for changing the frequency of a three-phase aircraft generator to a 400 Hz output and having modulators or gating circuits which control the conduction periods of the respective thyristors in the various groups in dependence on feedback from the output. Fig. 9 shows a circuit for simulating the converter current which includes a substantial component Ic through the smoothing capacitor C1. It is shown that if Xc2/R=1/Xc1 (in appropriate units), then the voltage Vo is proportional to the converter current. This voltage may be developed across capacitor 57 (Fig. 11) and superimposed on a further voltage derived from transformer 30 dependent on load current. After amplification at 58, 60 the combined signals are further superimposed on reference and bias voltages at 73 ... 75, the resultant being used to trigger a silicon controlled switch 64. Each time switch 64 is triggered, a pulse is supplied by saturable transformer 66 to the appropriate bank of thyristors the timing of pulses being adjusted to maintain the difference in direct voltage levels and to improve waveform by changing the direct voltage level on each passage of the output current through zero. Transformer 66 is reset by winding 67.
Patent GB-316887-A (GB)
Title: Improvements in or relating to surgical stockings
IPC: A61F13/08
Filed: 1929-08-02
Abstract: 316,887. Frei, E., and Kasser, (nÚe Hofmann), B., (trading as Frei & Kasser). Aug. 3, 1928, [Convention date]. Stockings.-Supporting tabs 6 at or adjacent to the top of an elastic stocking are made of the same material as the stocking and are provided with holders 10 for attachment to a belt &c. The upper end 5 is reinforced, and the tabs are broadened at the ends connected to the stocking so that adjacent tabs are only slightly spaced Specifications 21772/14 and 204,268 are referred to,
Patent GB-284201-A (GB)
IPC: F23M5/08
Filed: 1927-09-10
Abstract: 284,201. Etablissements F. Labesse. Jan. 24, 1927, [Convention date]. Walls.-In a boiler furnace wall having cooling- water tubes 1 passing through it the spaces through which the tubes pass are rendered fluidtight by vertically slidable metal plates 10, 11 allowing free expansion and contraction of the. tubes. The tubes 1 are brought out of the com. bustion chamber 2 by round elbows, and the load upon the wall above the tubes is taken by angleiron members 3 and cast iron boxes 4 in which air circulates, supported at intervals by brackets 6, 7 resting on a beam 9 forming part of the furnace structure. The tubes in groups of three extend through the loose plates 10, 11 joined together by bolts 12 and comprising grooves containing asbestos packing 15. The plates 11 are slidable between the brackets 7 and plates 16 secured to the brackets 6 while the plates 10 are guided between the brackets 7 and abutments 18 formed on the boxes 4. The metal structure is insulated from the combustion chamber by filling 20, bricks 21 - - 23 and light blocks 28 which straddle each of the tubes and follow their movements, being guided in grooves formed in the wall above the tubes. Tenons 8 on the boxes 4 engage in grooves in the brackets 7 and the parts are arranged so that the tubes can be removed and replaced without demolition of the wall. Specification 280,561 is referred to.
Patent GB-319119-A (GB)
Title: Improvements relating to baths of the ordinary bathroom type
IPC: A47K3/02
Filed: 1928-08-20
Abstract: 319,119. Kidston, R. Aug. 20, 1928. Baths.-One or more walls are formed just below the roll edge with a receptacle 11, wholly or partly overhung by the roll edge, and having an opening flush with the wall, a lip 12 and draining channel 13. The back wall of the receptacle may merge gradually into the top edge of the bath, as shown in Fig. 5, and the latter may be outwardly curved at this point.
Patent GB-591634-A (GB)
Title: Improved control device for electric motors
IPC: H01H61/00
Filed: 1944-11-30
Abstract: 591,634. Protective cut-out arrangements; thermal switches; snap - action switches; control of motors. GENERAL MOTORS CORPORATION. Nov. 30, 1944, No. 23909. Convention date, Nov. 6, 1943. [Classes 38(iii) and 38(v)] A control device 40 for disconnecting a single-phase motor 30 from the supply P1, P2 in response to an abnormal current, is modified by a thermo-responsive device in thermal relation with the motor and normally shunting part of the current to the control device but which accelerates the operation of the control device by opening the shunt in response to an abnormal motor temperature. Control device 40 comprises a thermo-electric element 47 the expansion of which causes a spring 45 to rotate a pivoted frame 41 clockwise, and conversely. Secured, one on each side of frame 41 are flexible blades 50, 60 having flexible fingers 54, 64 respectively, secured thereto, their free ends resting in notches 55, 65 in the frame 41 and arranged so that on clockwise movement of the latter, finger 54 snaps blade 50 against a stop 56 to open contacts 52, 53, before finger 64 actuates blade 60 to open contacts 62, 63. Current is supplied to the motor through the element 47 and contacts 52, 53 and 62, 63 respectively, to starting and running windings 32, 33. The heavy starting current causes element 47 to expand, thereby opening contacts 52, 53 and leaving only the running winding 33 in circuit. An overload causes further expansion of element 47 resulting in the opening of contacts 62, 63 and the disconnection of the motor from the supply. Shunting the element 47 and in thermal relation to the motor is a normally-closed thermal switch comprising a bimetallic element 71 which, in the event of the motor-temperature becoming abnormal, opens and so the entire supply current passes through element 47, and accelerates the opening of contacts 62, 63.