baber/WOPTO huggingface dataset:
Patent GB-304824-A (GB)
Title: Combined ring hanger and belt hook for electric flashlights
IPC: F21L4/00
Filed: 1927-10-27
Abstract: 304,824. Fairweather, H. G. C., (Winchester Repeating Arms Co.). Oct. 27, 1927. Supporting. - An electric flashlamp 1 is provided with a clip 7 for attaching it to a belt or like support and a split hanger ring 15 is hinged to the clip. When not in use, the ring 15 is snapped over a projection 17.
Patent GB-410403-A (GB)
Title: Improvements in and relating to thread tension devices for textile machines
IPC: B65H59/14
Filed: 1933-10-17
Abstract: 410,403. Yarn - tensioning arrangements. SCHLICK, A., (trading as TEXTILMASCHINENFABRIK ALOIS SCHLICK), Goppersdorf, near Burgstõdt, Saxony, Germany. Oct. 17, 1933, No. 28734. Convention date, Oct. 17, 1932. [Classes 120 (ii) and 142 (iv).] A thread tension device for warp creels and the like comprises a squeezing press or roller brake 1, means 2, 3 in front of the latter for guiding the thread 5 along a tortuous path, and one or more resiliently mounted eyelets or the like 4. Instead of the spring 6, a resilient wire may be used.
Patent GB-305067-A (GB)
Title: Improvements in or relating to gramophone records and method of manufacturing same
IPC: G11B3/36
Filed: 1927-10-28
Abstract: 305,067. Preuss, O. C., and Francis, C. J. Oct. 28, 1927. Feed mechanism; driving.-Sound is recorded on a blank carried by a turntable, by means of a recording tool the traversing speed of which, relatively to the turntable, may be varied at will, whilst the turntable is rotated at a constant speed. The main object of the invention is to economize space in recording, by varying the pitch of the sound-grooves according to the differing amplitudes of the sounds occurring in different passages in the piece being recorded. The recording sound-box may be fixed and the turntable traversed beneath it, or vice versa. The Figure shows an arrangement wherein a turntable 12, driven uniformly by a motor (not shown) through a belt 24, is mounted on a carriage 13, traversed along rails 14 by means of a screw 16 which engages a half-nut on the carriage. The recording-device 15 is fixed. A motor 17 drives the screw 16 through pulleys 18, 19 and a belt 20, and the speed of the motor 17 is controlled by a governor 21 so that it can be varied at will. In another arrangement, a variably-driven screw traverses the recorder across the turntable, the axis of rotation of which is fixed. The screw may be driven by a spring or weight motor, and for altering its speed infinitely-variable or differential gears may be used. Specification 303,759 is referred to.
Patent GB-780119-A (GB)
Title: Improved machine for winding tobacco in tobacco leaves
IPC: A24C1/10
Filed: 1955-10-10
Abstract: 780,119. Cigar-making machines. ARENCO AKTIEBOLAG. Oct. 10, 1955 [Oct. 29, 1954], No. 28842/55. Class 130. A tobacco article 4 in the form of filler tobacco rolled in a tobacco leaf, e.g. to the shape of a cigarette, is received directly from a rolling apron 2 by a suction nozzle 15 disposed adjacent the delivery edge of the rolling table 1, e.g. so that its mouth extends lengthwise of the edge, and which is adapted to retain the article 4 when the apron 2 is retracted from the nozzle 15. The article 4 is later transferred by two arms 17 to a receiver 19 past arms 18 which co-act with the arms 17 to cut off the article ends.
Patent GB-890899-A (GB)
Title: Improvements in and relating to vertical take-off aircraft
Inventor: WILES WILLIAM FRANCIS
IPC: B64C29/00
Filed: 1959-08-24
Abstract: 890,899. Vertical take-off aircraft. ROLLSROYCE Ltd. Aug. 16, 1960 [Aug. 24, 1959], No. 28933/59. Class 4. [Also in Group XXVI] A vertical take-off air craft has a vertically arranged or arrangeable gas turbine engine in a com partment having an aper ture above the engine ai intake, a forwardly directed scoop mounted adjacent the forward edge of the aperture to direct ram air into the air intake, and a door which can close the remainder of the aperture or open it to allow vertical airflow therethrough. Fig. 2 shows two, 17 and 18, of a number of direct lift gas turbine engines in a compartment 16. The scoop 22 is spaced a distance X from the leading edge 24 of aperture 20, X being about three times the depth Y of scoop 22. The scoop can be pivoted from a flush position to that shown, the angle α being twenty to twenty five, or alternatively about forty five, degrees, so that ram air can be used during forward flight to assist in starting the engines for vertical lift prior to landing. The door is constituted by flaps 26, 27, 28, 29 (twelve flaps may be used in practice) adapted to open inwards, but normally urged to the closed position by weak compression springs 31, Fig. 3. When the engines have been started, their intake suction builds up and at a predetermined point becomes sufficient to open the flaps. The aperture is covered by a debris guard in the form of a mesh 25, Fig. 2. The aircraft is propelled by a separate horizontal axis gas turbine engine having an air inlet duct extending from an inlet located above the fuselage aft of aperture 20.
Patent GB-365656-A (GB)
Title: Improvements in or relating to boots and shoes or like footwear
IPC: A43B13/36
Filed: 1931-06-27
Abstract: 365,656. Soles for footwear. BANNISTER, A., Eastwood, Claremont Drive, West Timperey, Cheshire. June 27, 1931, No. 28945/30. Drawings to Specification. [Class 17 (ii).] Leather insets are retained in soles of rubber or other non-porous material to improve ventilation by pressing them into metal eyelets in the sole and riveting over the ends.
Patent GB-336387-A (GB)
Title: Improvements in or relating to microphones and like telephone transmitting instruments
IPC: H04R1/38
Filed: 1929-09-24
Abstract: 336,387. Brown, S. G. Sept. 24, 1929. Microphones; diaphragms; mouthpieces and attachments.-A microphone or like telephone transmitter comprises a conical dia. phragm a clamped between parts c, d presenting conical faces e, f so as to leave substantially equal air gaps g, h on both sides of the diaphragm, while ports k are provided in the part d which register with holes in the rim portion of the diaphragm so that extraneous vibrations have substantially equal effects on both the rear and front surface of the diaphragm. The mouthpiece q carried by the part d communicates through apertures r with the central portion of the front of the diaphragm. The diaphragm is formed near its periphery with an annular corrugation b so as to make it relatively free near its edge and has its centre connected by a pin l to the central electrode m of a differential microphone n mounted on the part c.
Patent GB-1179460-A (GB)
Title: Cryostats for Low-Temperature Cables
IPC: H01B12/16
Filed: 1967-06-22
Abstract: 1179460 Cryostats for cooling cables SIEMENS A G 22 June 1967 [24 June 1966] 28959/67 Headings H1A and A4D A cryostat containing and cooling a cable comprises three containers 2, 3, 4 formed by channel members 2a, 3a, 4a to which are welded cover members 2b, 3b, 4b. The containers 2 and 4 are evacuated and contain super-insulation 12, and liquid nitrogen is circulated through the container 3. Coolant is circulated through a tube 7 around which is wound a super-conducting power cable 8 and a communications cable is wound round an insulating layer 9. Insulating strips 6 and 10 support the cables and the container 3, and the containers 2 and 3 are spaced by members 5. Coaxial ducts 15-18 connect the cryostat at intervals to vacuum pumps and refrigeration equipment. The cover members are secured to the channel members on site after location of the channel members in the required position of use.
Patent GB-422409-A (GB)
Title: Improvements in bindings for perforated sheets
IPC: B29C48/08
Filed: 1934-10-10
Abstract: 422,409. Filing papers &c. MARTIN, A. L., 295, Boulevard Raspail, Paris. Oct. 10, 1934, No. 29057. Convention date, June 1. [Class 146 (i)] A binding member for perforated sheets 7, Fig. 3, of the type comprising a continuous thread which engages the perforations, is characterized in that it is formed from a piece of wire of rectangular or other cross section, a sheet of metal or plastic material, or the like into a castellated festoon as shown in Fig. 2, which is subsequently rolled on itself about a longitudinal axis x-x parallel to the plane of the castellated festoon. The binding may be completed by shaping. dies when the sheets have been filed.
Patent GB-369237-A (GB)
Title: Improvements in devices ensuring propelling and lifting of aircraft
IPC: B64C23/00
Filed: 1930-12-11
Abstract: 369,237. Propelling and controlling aerostats. OEHMICHEN, E., Rue des Graviers, Valentigney, Doubs, France. Dec. 11, 1930, No. 29333/31. Convention date, Dec. 13, 1929. Divided on 369,248. [Class 4.] A propelling and lifting device for aircraft comprising an aeros t a t providing neutral buoyancy and fitted with one or more propellers p<1> arranged to give a tractive resultant mT inclined at an angle between 30‹ and 45‹ on the normal CV to the horizontal axis CX of the craft, is characterized by the combination with the propeller or propellers of movable panels a<1>, a<2>, that are arranged in the delivery air streams of the propeller or propellers and are capable of modifying, independently of each other, the aerodynamic lift and tractive force of the whole structure. The Figure shows how by inclining the panels a<1>, a<2>, a reaction mR is produced which combined with the resultant mT produces a new resultant mW. The pitching couple which arises from the fact that mW does not pass through the centre of aerostatic thrust C is counteracted by the effect of the flight wind on the panels. In another form a main propeller or propellers of fixed or variable pitch are arranged to produce a resultant passing through C and are combined with auxiliary propellers of variable and reversible pitch associated with adjustable panels, some being arranged above the blades so as to be operative when the propeller pitch is reversed.
Patent GB-174417-A (GB)
Title: An improved trap for insects
Filed: 1920-10-20
Abstract: 174,417. Griffiths, W. Oct. 20, 1920. Insect traps. - A net p<2> for catching insects is combined with a box trap a having a sliding door b operated by hand by means of cords i, v, which pass over pulleys h, n and may be secured to opposite ends of a rocking lever on the handle d of the device. The door b carries a brush o to cause the insects on anv surface tc which the trap is applied to pass into the trap as the door is closed. The net p<2> is mounted on a wire frame which slides in grooves at the back of the box a. Interchangeable nets are provided, one having a diaphragm in which is a small aperture between it and the box a and having an outlet opening at its lower end secured by strings. The handle d is attached to the trap by means of a metal fork e which can be inserted in various sockets y to support the trap in different positions.
Patent GB-1315066-A (GB)
Title: Piezoelectric assembly
IPC: G01L9/00
Filed: 1971-06-24
Abstract: 1315066 Piezo-electric transducers H LIST 24 June 1971 [3 July 1970 18 Aug 1970] 29613/71 Heading G1N A pressure transducer comprises a piezoelectric crystal 6, Fig.2, in one recess 5 of a cylindrical housing 1 and an amplifier 4 in another recess 3. The housing is sealed at one end by a cap 32, which also carries a connector 25, and by a diaphragm 14 at the other end, carrying a foot 13 transmitting the external pressure to the crystal 6, which is cooled by water fed through pipes 17, 18. The gain of the amplifier is adjustable by a potentiometer 30 via a screw 31.
Patent GB-1342445-A (GB)
Title: Reactive power corrector device
IPC: H02J3/18
Filed: 1972-06-23
Abstract: 1342445 Automatic control of reactive current HELIOWATT WERKE ELEKTRIZITATS-GmbH 23 June 1972 [5 Oct 1971] 29668/72 Heading G3R  A system for limiting the reactive current tapped from a network includes a threshold device which is capable of producing an error signal to switch a sequence of bistable multivibrators associated with reactive current compensating devices. In the system shown, a transducer M produces a direct voltage output proportional to the reactive current in network I, U. This voltage passes through an amplifier V to threshold switches N, P responsive respectively to excessive capacitive and inductive current components. A non- responsive zone may be adjusted by a variable resistor R2. Signals from the switches N, P actuate pulse generators A, Z, causing compensation condensers to be switched respectively out of and into the network. The pulses pass to bistable multivibrators K1-5 controlling relays H1-5, S1-5 connected to the compensation condensers. The multivibrator inputs are interconnected through capacitors and AND gates L1-8 in such a way that a first pulse from generator Z switches on multivibrator K1, a second pulse actuates multivibrator K2, and so on. Similarly, if condensers are to be taken out of circuit, pulses from generator A switch off the multivibrators in sequence beginning with multivibrator K1. The capacity of the condensers controlled by the multivibrators K1-5 may be in a ratio such as 1:2:3:4:6, enabling any required capacity to be connected in circuit through combination switching by pulses from generators A, Z.
Patent GB-951393-A (GB)
Title: Trailer brake actuator
IPC: B60T11/10
Filed: 1962-08-02
Abstract: 951,393. Trailer brakes. ATWOOD VACUUM MACHINE CO. Aug. 2, 1962 [Oct. 30, 1961], No. 29674/62. Heading F2E. [Also in Division B7] A trailer brake actuator comprises a draught member 13, Fig. 1, for attachment to a trailer, a coupling member 8 provided with means 7 for coupling it to a towing vehicle and a device 23 for operating brakes on the wheels of the trailer. The two members 8, 13 are capable of limited relative movement with respect to one another substantially in the direction of towing and the brake operating device is actuated by such movement in a direction to shorten the effective length of the members. The device 23 is actuated through a linkage 15 having a mechanical advantage of less than one to one. As shown the brake operating device 23 is in the form of an hydraulic master cylinder comprising a spring-loaded piston 22 actuated by a piston rod 21 having a slotted extension 45. The two members 8, 13 are connected by pivoted links 14, 15 and a bolt 20 through the latter links moves in the slot 46 in the extension 45. The latter is also engaged by a pivoted lever 48 having a chain 52 attached to one end thereof for connection to the towing vehicle. If the trailer becomes uncoupled the chain will pivot the lever 48 to actuate the brakes. A pawl and ratchet are provided to keep the brakes applied until manually released. A shock absorber 39 having the same resistance to motion in both directions acts to delay, as well as slow, the application of the brakes. The trailer brakes, Fig. 4, are of the internal shoe-drum type comprising two shoes 30, 31 connected by the adjustable connection 32 and operated by a single piston-cylinder 27. Retraction springs 33, 34, 35 are provided. The braking produced in reverse motion is thus about 15% of that in the forward direction and automatic means for rendering the trailer brakes inoperative in reverse are dispensed with. U.S.A. Specification 2,507,267 is referred to.
Patent GB-1465514-A (GB)
Title: Apparatus for inspecting fluids
IPC: G06M11/00
Filed: 1974-07-04
Abstract: 1465514 Inspecting fluids with suspended solid particles L PRAHM O PRAHM E A FERNSTEN B M FERNSTEN S T HIMES R H HIMES J PRAHM G W MACKENZIE W H McINERNEY [trading as Prototron Associates] 4 July 1974 [5 July 1973] 29772/74 Heading G1A An apparatus for inspecting a solid particle bearing fluid in a container comprises means for scanning with a well defined light beam a transverse area of the fluid, a detector for producing from the light scattered sequentially from the particles a sequence of electrical signals, said beam being stopped by means between the container and the detector, and indicating means providing a measure of particulate material. Helium-neon laser 10 generates a beam 2mm in diameter reduced to 150Ám by lens 12. Cylinder 14 is rotated by synchronous motor 17 via gear train 16 and gear 15, and has an optical flat 18 at an angle of around 45 degrees to centre line 13, to which the beam is parallel causing the thus offset beam to make a circular scan. Opaque plate 20 blocks light doubly reflected by flat 18. Lens 24 focuses the beam within bottle 23, which contains the fluid and is restrained by stop 25. Target 27 stops the beam, but scattered light is focused on to silicon photodiode 34 by lens 32, situated midway between the median depth of focus in bottle 23 and photodiode 34. Neutral grey filter 35 could be used to reduce the light intensity. The arrangement of Fig. 2 may be used instead of lens 32. Lens 32 or lenses 37, 38 have an area greater than the scanned area. Amplifier 44 passes from 200 to 100,000 Hz. Amplifier 47 gives an output of say +14V when the voltage at A is less than at B, and -14V when it is greater. Source 50 provides a reference voltage. Adjustment of potentiometer 49 alters the threshold voltage above which a pulse at A gives a negative pulse from amplifier 47. In timer 51 the normally open gate 93 is closed for the duration of any pulse 98 applied at input 91, which causes multi-vibrator 90 with differentiating circuit 92 to give spike pulses 100, 101. If pulse 98 is less than 20Ás, gate 93 is open for pulse 101 to cause pulse 102 from multivibrator 94; otherwise it is closed. 15 second one shot multi-vibrator 55 opens gate 52 and resets counter 70. In divide by 10 counter 54, at every 10th pulse AND gate 64 is supplied with the 10 count pulse and a pulse from input 61. Device 72 may indicate the amount of particulate material in the sample volume. The beam may be passed through a second cylinder with an optical flat, in addition to cylinder 14. These cylinders may be rotated at unequal velocities causing a scan of successive expanding and contracting spirals or if the rotation of the second cylinder is substantially faster than the first a cycloidal scan results. Ultraviolet light may also be employed.
Patent GB-714613-A (GB)
Title: Improvements in drilling by electrons
IPC: C23C14/30
Filed: 1951-12-19
Abstract: 714,613. Electron beam apparatus. SUDDEUTSCHE LABORATORIEN GES. Dec. 19, 1951 [Jan. 31, 1951], No. 29777/51. Class 39(1) [Also in Group XXII] An electronic gun system for drilling comprises an evacuated casing, an electron emitter, an anode connected to a source of potential of the order of 50 Kv or higher, a control electrode which is disposed between the emitter and the anode and converges the high-velocity beam, thereby producing a gently converging beam which is nearly parallel and which has a narrow neck position at least several millimetres long with an outside diameter between 0.001 and 0.5 mm., and holding means to hold the work at the position of the narrow neck position so that the work is drilled by the beam. The cathode may comprise a tungsten wire 15 projecting beyond the control electrode 21 by a distance equal to the diameter of the wire. The control electrode 21 may comprise six sectors 25 which may be at the same potential or may be at different potentials to make a circular beam into an elliptical one or vice versa or to produce a beam of any desired cross-section. The electron gun is mounted on the housing by a rubber ring 45 and may be adjusted by screws 37 and 41; two diaphragms 111, 121 adjustable by screws 115 and 125 are provided, and a magnetic lens comprising hole-pieces 135, 137 energized by a coil 132. The work member 155 is mounted on a carriage 148 which may be adjusted in position from outside the envelope by screws 152, 157. There are two doors 361, 363 which are provided with suitable seals 362, 364. A tubular section 161 facilitates evacuation of the system and the supports for the diaphragms. 111, 121 are provided with apertures to assist the evacuation. The work member may be of tungsten, glass, porcelain, or palladium silver alloy and holes of a diameter between 0.1 and 0.001 mm. having a length between 0.1 and 3 mm. may be drilled in a time between 1 and 20 seconds; the holes may be cylindrical or conical and have any desired cross-section. In a modification, fig. 9, for drilling diamonds an oxygen reservoir 205 is connected to the work chamber through a valve mechanism 207 and two pump connections 212, 215 are provided to remove the excess oxygen and the carbon monoxide or dioxide generated from the diamond. The oxygen may be at a pressure between 0.01 and 1 mm. of mercury and the evacuated part of the apparatus should have a pressure of 0.0001 mm. of mercury or less. It is possible to use atmospheric pressure in the work chamber.
Patent GB-771617-A (GB)
Title: Improvements in and relating to tuning means for radio apparatus
IPC: H03J7/30
Filed: 1954-10-18
Abstract: 771,617. Automatic tuning of radio receivers. GENERAL MOTORS CORPORATION. Oct. 18, 1954 [Nov. 17, 1953], No. 29858/54. Class 40(5) In a "stop-on-signal" receiver of the type in which the tuning is automatically driven over the waverange and automatically stopped when a signal is tuned in, and in which means are provided for disabling the stopping arrangement except in small selectable bands including desired stations, a remote control is provided by means of which the tuning may be automatically moved to the next one of the sequence of desired stations. The invention is described as applied to a control circuit similar to that described in detail in Specification 721,805. Tuning is initiated by operation of a switch 210 which operates a main control relay 66 which is not released until a signal of sufficient strength is tuned in. A desired station may be selected by operation of one of buttons 149, 148, 188, 190. 192 which desensitizes the receiver by connecting an adjustable bias resistor 38 in the cathode circuit of amplifier valves. This resistor is however short circuited in a small tuning range including the desired station by the pointer 200 of the tuner when it contacts one of the laterally adjustable contacts 136, 202, 204, 206, 208. Remote control is effected by a unit comprising three switches, the first and second of which are not shown. The first controls the energization of the receiver and operates a relay 52 The second corresponds to switch 210 and initiates the tuning. The third (110) is brought into circuit by the relay 52 and comprises a number of contacts connected to a tapped resistor for reducing the sensitivity during normal signal seeking tuning and a final contact 170. When the arm 184 of this switch is set to this contact the common cathode biasing circuit of the valve is connected through lead 56, contacts 167 and 166 of relay 52 and lead 164 to all the station selecting contacts 136, 202. 204, 206 and 208. Accordingly the cathodes of the amplifier valves of the receiver are connected to earth whenever the pointer 200 touches one of these contacts thus permitting the tuner to be stopped by the next one of the sequence of desired stations. In a modification (Fig. 2, not shown) the lead 164 is connected through a normally open switch to the loudspeaker. This switch is closed when a cover is removed from the adjustable contacts 136, 202, 204, 206, 208. To adjust these contacts the receiver is first tuned to a desired station and the contact is then moved to touch the pointer. This is indicated by the sudden cessation of the output from the speaker since the speaker winding is then earthed.