baber/WOPTO huggingface dataset:
Patent GB-460036-A (GB)
Title: Improvements in electric cables
IPC: H01B7/18
Filed: 1935-07-22
Abstract: 460,036. Cables. CALLENDER'S CABLE & CONSTRUCTION CO., Ltd., and TAYLOR, J. July 22, 1935, No. 20819. [Class 36] A cable, Fig. 1, comprises a sheathing 3 of tough rubber or other rubber-like material in which is embedded a reinforcement 4 formed by braiding together strips of textile fabric impregnated with rubber. In a modification, Fig. 3, the reinforcement is formed by braiding together strips 14 of rubber-impregnated textile fabric running in one sense and bunches 13 of fine wires running in the other sense.
Patent GB-971658-A (GB)
Title: Floating separator
IPC: E02B15/04
Filed: 1962-05-30
Abstract: 971,658. Gravity-separation apparatus. J. MULLER. May 30, 1962 [Aug. 22, 1961], No. 20842/62. Heading B1D. Apparatus for separating a light substance, e.g. oil or particles of solid matter, mixed with or suspended in a liquid of greater density, e.g. water, comprises a floating separator (Fig. 1) including a diffuser 1 and suction bell 9. The diffuser comprises a dish 2, a diffusing element 6, e.g. a sprinkler rose, floats 5 attached to the element 6, and a tube 3 slidably engaging with a vertical pipe 4 fixed to the bottom of a tank 13 (Fig. 2). The suction bell is divided by partitions 21 into a plurality of annular sections, and is attached to a suction pipe 10 pivotally mounted on a ball joint 15 and carrying a counterweight 16. The bell is supported by a float 11 attached thereto by a central perforated tube or vertical bars. The mixture or suspension is stored in a reservoir 20 coupled to the pipe 4, the light substance being dispersed by the diffuser to form a layer 8 which is drawn off through the suction bell. The more dense liquid flows through a pipe 17 and a tank 14 before it is discharged through an overflow pipe 18. The pipe 10 delivers the lighter substance to apparatus (not shown) in which final separation is performed. A further floating separator, similar to that shown in Fig. 1, may be lodged in the tank 14.
Patent GB-1181386-A (GB)
Title: Improvements in or relating to UHF-VHF selector circuits
IPC: H03J5/24
Filed: 1967-05-04
Abstract: 1,181,386. U.H.F./V.H.F. switching. OREGA ELECTRONIQUE ET MECANIQUE. 4 May, 1967 [6 May, 1966], No. 20865/67. Heading H3Q. A U.H.F./V.H.F. tuner has a half-wave U.H.F. line in series with a parallel tuned circuit including an inductance of less than 0À06 H, and further inductors can be switched in series with the tuning inductance by means of diodes for operation on V.H.F. In Fig. 2 the aerial input is fed via a common-base transistor 1 to a half-wave line 2 and parallel tuned circuit 4, 5 of which the capacitance 4 may be a varicap diode tuned from a voltage source U. Additional inductors 51, 55 are joined in series with the inductance 5 and diodes 71, 72 can be made selectively conductive by voltage sources U1, U2 to short one or both of the additional inductors to switch to U.H.F. (both shorted) or one of two V.H.F. bands (one or both in circuit). The capacitance and stray inductance of the diodes when blocked forms with the coupling capacitors 61, 62 part of the tuning reactance. In a modification (Fig. 3, not shown) the line is coupled to the tuned circuit via a capacitor (101) and a choke is connected acrosss the capacitor 3 to complete a D.C. path for the transistor. In addition, the positions of the diodes 71, 72 and capacitors 61, 62 are interchanged.
Patent GB-583813-A (GB)
Title: Improvements in collet with removable pads
IPC: B23B31/20
Filed: 1943-12-13
Abstract: 583,813. Chucks ; feeding bar stock. CONE AUTOMATIC MACHINE CO., Inc. Dec. 13, 1943, No. 20870. Convention date, Oct. 15, 1942. [Class 83 (iii)] Collet chucks for gripping bar stock have the jaws provided with interchangeable pads retained in place by interengaging ribs and grooves and by springs. Feed fingers may be similarly constructed. The collet sections 3 have radial grooves 7 to receive radial ribs 6 on the pads 5 and a circumferential groove that registers with grooves 15 on the pads to receive retaining springs 10 with ends bent up and turned over at 22 and covered with flexible material such as synthetic grease-resisting rubber 23 that may extend at 24 between the pads to seal the spring grooves against entryof cuttings. Recesses 16 in the section 3 permit the use of a prizing-tool to disengage the springs when the pads are to be removed. The springs may be round or flat in cross-section and the pads may be shaped to fit stock of round, square, hexagonal or other section.
Patent GB-632914-A (GB)
Title: Improvements in and relating to x-ray apparatus
IPC: A61B6/00
Filed: 1943-12-13
Abstract: 632,914. Rontgen-ray apparatus. PHILIPS LAMPS, Ltd., and NEMET, A. A. Dec. 13, 1943, No. 20871. [Class 98 (i)] Radiographic apparatus in which it is required to use the ray-tube in one or other of two positions at different distances from the fluorescent screen or cassette comprises a raytube holder on a support constrained as by a parallel-motion linkage to move from one position to the other in such wise that the axis of the X-ray beam is directed towards the centre of the screen or cassette in both positions. The effective area of the beam at the screen or cassette may be limited automatically to the area of the screen or cassette by diaphragm means coupled to the movable ray-tube support as described in Specification 632,915. As shown, the ray-tube 32 (Fig. 2, not shown) is disposed vertically in a holder 5, Fig. 1, carried by a frame 4 connected by parallel horizontal spindles 6, 11 to equal parallel arms 7, 10 mounted on parallel horizontal spindles 8, 12 turning in fixed bearings on the transformer unit 2, the arrangement providing a parallelmotion linkage whereby the tube holder 5 may be swung from the position of use shown to the second position of use in which the parallel arms 7, 10 are oppositely inclined to the vertical, while maintaining the ray-tube vertical. Lugs 16 on the arm 7 are pivoted to the pistons 17 of buffer-spring devices 23, turning on fixed pivots 20, which serve the twofold purpose of cushioning the weight of the moving system throughout its movement in either direction, and of arresting the system in its two positions of use, the latter purpose being effected by spring-biassed latch means 28 on one or more of the plunger guides 18 adapted to enter one or other of spaced locking notches on the plunger 17. The tube holder 5 also carries a spot-light projector with its axis parallel to that of the X-ray beam, whereby the centring of the latter in the two positions of the ray-tube may be checked. A cover 3 (Fig. 2, not shown) encloses the transformer unit and buffering arrangement.
Patent GB-690504-A (GB)
Title: Improvements in or relating to class b modulation-frequency transformer circuit arrangements
Inventor: O'DONOVAN DANIEL EDWARD
IPC: H01F19/02
Filed: 1950-08-23
Abstract: 690,504. Valve modulator circuits. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. June 8, 1951 [Aug. 23, 1950], No. 20899/50. Drawings to Specification. Class 40 (v). A class B modulator output transformer circuit is coupled to its load through a series coupling circuit including a blocking condenser and an audio-frequency choke, and the latter coupling circuit components are so dimensioned, in conjunction with the leakage reactance of the transformer secondary, that the coupling circuit approaches resonance at the lowest audio frequency, e.g. 30 c/s., to be handled by the modulator so that a voltage step-up between the secondary and the load is produced at the lowest audio frequencies. The step-up may be 10-15 per cent. A compensating voltage step-down must be provided preceding the modulator. The invention permits a smaller modulator output transformer to be used. Push-pull cathode followers drive the modulator.
Patent GB-951605-A (GB)
Title: Wheels for pneumatic tyres
Inventor: BENNETT WILLIAM DOUGLAS
IPC: B60B25/16
Filed: 1959-06-18
Abstract: 951,605. Vehicle wheels. DUNLOP RUBBER CO. Ltd. June 7, 1960 [June 18, 1959], No. 20900/59. Heading B7C. A circumferentially divisible wheel for a pneumatic tyre comprises a pair of wheel halves, each wheel half being provided on its outer periphery with a flange for fluid-tight sealing engagement with a tyre bead, the wheel halves being lockable in coaxial relationship to one another and disengageable one from the other, one wheel half being provided with a non- return valve whereby inflationary fluid may be admitted to a chamber bounded by the wheel halves, the chamber leading when a tyre is mounted on the wheel, into the interior of the tyre. One wheel half 2 has a disc 4 and a cylindrical base portion 6 with a flange 9. The flange 9 has counterbored recesses into which is cemented a rubber diaphragm 11 having a hole 12 extending through the flange. The base portion 6 has holes for pins 7, the heads of which project beyond the cylindrical portion and holes 13 communicating with the interior of the tyre. The wheel half 3 comprises a reinforced disc portion 17 and a cylindrical portion 20 with recesses 21 leading to an annular recess 22 which accommodates the heads of the pins 7. A pair of metal stop plates 23 are secured in the recess 22 in diametrically opposite positions. Series of holes 25 spaced around the wheel allow air to escape from the tyre through holes 12 when the wheel halves are not correctly positioned and register with the undrilled part of the diaphragms 11 when the wheel halves are correctly positioned. A non-return valve 26 allows air to pass to the chamber 28 between the halves and through openings 13 to the interior of the tyre. A cylindrical extension 14 on wheel half 2 has means for retaining the chuck of a tyre testing machine. Specification 951,606 is referred to.
Patent GB-641055-A (GB)
Title: Automatic lock sliders
IPC: A44B19/30
Filed: 1948-08-09
Abstract: 641,055. Sliding-clasp fasteners. PLASCO, Ltd. Aug. 9, 1948, No. 20925. Convention date, Aug. 9, 1947. [Class 44] ' The slider for a sliding-clasp fastener shown in longitudinal and transverse sections in Figs. 2 and 3 has formed, in one of the spaced walls 17 a transverse slot 29 for a locking pawl 14 adapted to project into the channel of the slider for engagement with the fastener elements 35, the locking pawl being controlled by a slidable member 12 attached to the pull tag 15 and normally maintained by a spring 16 in a neutral position in which the pawl is in the locking position. All the parts except the spring may be formed as die castings. The locking pawl is formed with axles 32, 33 engaging in recesses 30, 31, Fig. 5, adjacent the slot 29 in the slider and is retained in position by the member 12, slidably engaged over a longitudinal rib 21 on the slider. Adjacent the rib 21 is a slot 26 having opposed shoulders 27, 28. Lugs 49, 50 on the member 12. sliding in the slot, cooperate with the spring 16 held captive between the shoulders 27, 28 to maintain the member 12 in a neutral position. A pull tag 15, having a one-piece cross arm 46, is engaged in recesses 44, 45 in the member 12 and there retained by a cover plate 13 which also retains the member 12 in position over the rib 21 and is itself secured by integral studs 24 which are riveted over. The member 12, shown detached in Fig. 4, is formed with a cam projection 51 on one side and a recess 54 on the other. In the normal position the pawl is maintained by the projection 51 in the locking position (Fig. 3), the tail 36 being received in the recess 54. When the member 12 is moved in either direction by the pull tag, a recess 52 or 53 is presented over the locking side of the pawl and the tail 36 is depressed by contact with one of the surfaces 55. 56 to withdraw the locking blade 34 from the slider channel. In another form the pawl is formed without the tail 36, and when freed, by movement of the member 12, merely ratchets over the elements. Alternatively, the recess 54 may be extended so that the pawl is not positively unlocked by the surfaces 55, 56. engaging the tail 36. In another modification the member 12 has an extension passing round the end of the slider and carrying a parallel portion behind for the attachment of a second pull-tag.
Patent GB-723881-A (GB)
Title: Steroid oxidation
IPC: C12P33/00
Filed: 1951-09-05
Abstract: A steroid having at least one methylene group is oxygenated with bacterial cultures of the genus Streptomyces (Actinomyces) or oxygenating enzymes obtainable therefrom and the product separated from the reaction mixture in known manner.  The bacterium may be aerobically grown in submerged culture in the presence of an oxygen-containing gas.  As bacterium there may be used strains of Streptomyces fradiae, Streptomyces endus or of Streptomyces G-39. As starting materials there may be used progesterone, 9,11 or 11,12-dehydroprogesterone, 7,9(11)-bisdehydroprogesterone, 17-hydroxyprogesterone, pregnenolone, acyloxypregnenolones, 11 - desoxycorticosterone, D 9 : 11- or D 11 : 12 - desoxycorticosterone, 11 - desoxy - 17 - hydroxycorticosterone and acyloxy derivatives, 21-hydroxypregnenolene and 21-acyl esters thereof, 17,21 - dihydroxypregnenolone and 17 : 21 - diacyloxy derivatives thereof, androstendione, androstan - 17 - ol, 9,11 - or 11,12 - dehydro - androstendione, 3 - hydroxy - 9,11 - or 1,112 - pregnen - 20 - ones, 3,21 - dihydroxy - D 9 : 11 - or D 11 : 12 - pregnen - 20 - ones, 3,17,21 - tri - hydroxy - D 9 : 11 - or D 11 : 12 - pregnen - 20 - ones, 5 - androsten - 3 - ol - 17 - one and 3 - acyl esters thereof, 5 - androsten - 3 - ol - 17 - one and 3 - acyl esters thereof, ergosterol, stigmasterol, stigmastanol, ergostenone, stigmastenone, stigmastanone, cholestenone, cholic acid, desoxycholic acid, lithocholic acid, cholanic acid, norcholanic acid, bisnorcholanic acid, cholenic acid, norcholenic acid, bisnorcholenic acid and 3-hydroxy-3-keto, 3,7-dihydroxy-, 3,7-diketo -, 3,7,12 - trihydroxy -, 3,7,12 - triketo-, D 9 : 11 - and D 11 : 12 - ester and thiolester derivatives of the foregoing acids.  In general, as starting materials there may be used compounds which contain the nucleus <FORM:0723881/IV (b)/1> which may in addition contain substituents or combinations of substituents about the nucleus as in the 1 to 17 inclusive positions, especially 10, 13 dimethyl groups, 3,7- or 12-keto, hydroxy or acyloxy groups; as well as double bonds in the 4,5,6,7,8,9(11), 11(12), 16(17) and other positions or combinations of positions about the nucleus, or double bonds saturated by the addition thereto of halogen or hydrogen halide; adducts of dienophiles such as maleic acid, maleic anhydride or maleic acid diesters having a conjugated double bond system as at 5,7.  A detailed list of oxidizing bacteria of a species of the Streptomyces genus is given.
Patent GB-569126-A (GB)
Title: Swaging of hollow bodies
IPC: B21K1/00
Filed: 1939-07-20
Abstract: 569,126. Die-rolling tubular articles. BAKER, G. July 20, 1939, No. 21075. [Classes 83 (ii) and 83 (iv)] Making projectiles.-An external taper is imparted to shell forgings, Fig. 1, by rolling axially between at least three rolls, the taper being dependent upon a relative axial traverse between the blank and relatively narrow surfaces on the rolls, the remainder of the roll surfaces finishing the cylindrical part of the shell. As arranged for four rolls 1, Figs. 4 and 5, with reducing surfaces 2, pass adjustment is effected by mounting the rolls in pairs in cradles 4 pivoted in the housing 5 at one end and carrying rolls 8 at the other in contact with cams 7 linked to a standard. 11 located by a back-stop 13 and traversed by contact with the ram 15 that feeds the mandrel 14 carrying the work between the rolls. The resulting advance of the rolls during the latter part of the travel of the mandrel tapers the work, as shown in dotted lines in Fig. 1. If the pierced billet has too much external taper, it may be rendered parallel by a preliminary drawing operation. The bore of the 'blank may be enlarged at the open end, being closed on to a parallel mandrel during rolling. Separating mandrels from work.-On the return stroke of the ram 15 contact of the standard 11 with the stop 13 causes stripping of the blank from the mandrel.
Patent GB-1067453-A (GB)
Title: Improvements in or relating to machines for cutting pipes
Inventor: FENNEL DONALD ELESTER
IPC: B23D21/04
Filed: 1963-05-27
Abstract: 1,067,453. Rotary tool heads. J. C. NEVILLE Ltd. Aug. 5, 1964 [May 27, 1963], No. 21087/63. Heading B3T. In a pipe cutting machine, a rotatable annular member 1 which surrounds the pipe (7) to be cut is gear driven (3) from an electric motor (4). Bosses 8 on the member (1) carry rods (9) on which are adjustably mounted tool supports (10). Tool boxes 11 are attached to the supports (10) and carry tools (12) which are urged into cutting engagements with the pipe by springs. Clamping elements secure the machine to the pipe ready for the cutting operation. To facilitate the cutting in half of long lengths of pipe, the member 1 and its casing (5) may be made in halves to permit the assembly of the machine around the pipe. The radial cutting feed of the tools may alternatively be by a positive mechanical drive effected from the rotation of the member (1). The machine may also be manually driven by a handle instead of by the motor (4) and alternatively the motor may be positioned remote from the machine and operatively connected thereto by shafts and universal couplings.
Patent GB-1222825-A (GB)
Title: Improvements in or relating to work-setting stations
IPC: B23Q7/14
Filed: 1967-05-05
Abstract: 1,222,825. Work benches. MOLINS MACHINE CO., Ltd., D. T. N. WILLIAMSON, R. G. CROSLAND and P. R. CHRISTAL. 3 May, 1968 [5 May, 1967], No. 21108/67. Heading B4X. [Also in Division B8] A work-setting station e.g. for operation by an on-line computer, comprises a receiving position 807 at which a work-holder can be received, a collection position (not shown) from which the workholder can be collected, and a work-setting position 809 at which a worksetting operation can be performed on a workholder, there being means for guiding a workholder from the receiving position to the worksetting position, and from the work-setting position to the collection position. An indicator panel 822 instructs an operative in the type of operation to be carried out on workholder pallets (Fig. 4, not shown) delivered to the station (and collected therefrom subsequently), in pairs, the tools and/or components required being delivered from a conveyer 139 in a bin (Fig. 5, not shown) which is deposited in a compartment 804. The station also includes a template holder 824 and torque-limiting pneumatic screwdriver 826. Workholders are fed through the station by chain drives, all operations being computer-controlled in sequence from tripswitches. The bins and pallets incorporate magnetic indicators, details of which are fed to the computer by read-heads such as 804A. A detailed description of the operation of another embodiment is included (Figs. 6A, 6B and 7, not shown). Specifications 1,202,361 and 1,096,605 are referred to.
Patent GB-532677-A (GB)
Title: Improvements in and relating to vehicle bodies
IPC: B60R13/07
Filed: 1939-07-21
Abstract: 532,677. Vehicle bodies. PORSCHE, F. July 21, 1939, No. 21197. Convention date, Aug. 16, 1938. [Class 108 (i)] The longitudinal edges 11 of the roof 3 are folded with the edge of a pressing 15 forming, with the roof, a box girder to which the side walls 16, 17 are secured by spot welding. The member 15 is stepped at 20 for the attachment of the inner wall 17, a hole 21 being left to facilitate the welding.
Patent GB-1268072-A (GB)
Title: Improvements in or relating to rotary peeling heads
Inventor: VADAS LESLIE
IPC: A23N7/00
Filed: 1969-04-25
Abstract: 1,268,072. Rotary dashpots. CASTLE & COOKE Inc. 25 April, 1969 [22 May, 1968], No. 21202/69. Heading F2S. [Also in Division A4] A pineapple peeling machine has a rotor (50) Fig. 7 (not shown) to which are pivotally attached two counterbalanced knife-carrying arms 74, the pivots 72 to which arms 74 are secured having vanes 131 rotating within oil filled dampers D, (D1), Fig. 10 (not shown). Each damper such as D comprises a cylindrical housing 112 and an O-ring sealed cover (116), Fig. 14 (not shown). Housing 112 has partitions 118, 118a lying on a line joining the centres of rotor 50. and of pivot 72, each partition having an adjustable throttling port 128, 128a, respectively, and a one-way valve 122, 122a, respectively. The valves are urged closed by springs 124, 124a and open on movement of a knife-carrying leg 76 of arm 74 towards a pineapple, held against rotation within a central aperture in rotor 50. The valves move substantially tangentially to their rotational path. The damper resists rapid motion of leg 76 away from the pineapple, but allows substantially free movement towards the pineapple.
Patent GB-808190-A (GB)
Title: A delayed action control mechanism for mechanically or electrically operated equipment
IPC: F16H53/04
Filed: 1956-07-09
Abstract: 808,190. Delayed control devices. DEUTSCHE SPINNEREIMASCHINENBAU INGOLSTADT, NIEDERLASSUNG DER SCHUBERT & SALZER MASCHINENFABRIK A.G. July 9, 1956 [Sept. 28, 1955], No. 21213/56. Class 40 (1). A device to store mechanically information e.g. about the thickness of fibres in a textile machine, and to use this information after a time delay, as to control the thickness of the fibres, consists of a pair of discs 1 around the circumference of which are disposed soft iron control elements 3. These iron elements are displaced in an axial direction by member 7 moved as by displacement of rollers through which the fibres pass. The displaced elements pass, on subsequent rotation of the discs through the field of an induction coil and hence vary the output which is used to control the machine in the desired manner. The induction coil is mounted on a bracket 10 so designed as to enable the coil and bracket to rotate about the same axis as the discs and in accordance with the rotation of a setting and indicating knob 13. This enables the time delay to be varied. The periphery of the discs may be slotted (or in one embodiment holed) to take the elements which may be held frictionally by spring, rubber bands, &c., or as shown by permanent magnets 4. Component 7 may be fitted with rollers 5, and 6, as shown in Fig. 1, or may be constructed as indicated in Fig. 5. A second induction coil may be fitted opposite the first coil as in Fig. 4 (not shown). The relative width of the elements, the spaces between the elements and the gap in the magnetic field through which they pass can be chosen so as to prevent the individual pins modulating the output of the induction coil.
Patent GB-928008-A (GB)
Title: Improvements in or relating to anthraquinone dyestuffs and aromatic polyester fiberscolored therewith
IPC: C09B1/514
Filed: 1961-06-13
Abstract: The invention comprises a dye of the formula <FORM:0928008/IV(a)/1> where one Z is <FORM:0928008/IV(a)/2> and the other is and X and Y are each hydrogen, or alkyl or alkoxy having up to six carbon atoms. The invention also comprises dye mixtures comprising a dye of the formula <FORM:0928008/IV(a)/3> and a dye of the formula <FORM:0928008/IV(a)/4> The dyes are made by reacting 4:8-dinitroanthrarufin or 4:5-dinitrochrysazin or mixtures thereof with an amine of the formula <FORM:0928008/IV(a)/5> so that only one arylamine group is introduced, and then reducing the remaining nitro group to hydroxylamino with sodium sulphide or stannous chloride and caustic soda and reacting the product with formaldehyde.  Examples are given.  The dyes dye polyester fibres in blue shades from aqueous dispersion.