baber/WOPTO huggingface dataset:
Patent GB-480915-A (GB)
Title: Improvements in apparatus for developing photographic roll-films
IPC: G03D13/06
Filed: 1937-03-04
Abstract: 480,915. Photographic developing-apparatus. DAZEY, H. L. March 4, 1937, No. 6477. [Class 98 (ii)] A daylight developing-tank comprises a container 10 closed by a detachable cover plate 11, the plate having an inwardly extending partition 20, which divides the container into two chambers, the inner of which is the loading chamber for the film and has a separate cover. The bottom 12 of the container has a protruding portion 14 with a channel 16 on its bottom wall 15. Spring clips 18 secure the cover plate 11 on the container. The portion 20 on the plate fits into the well 14 but leaves a space 21 which permits the passage of fluids. A longitudinal slot 22 is provided in the partition tube 20 for the passage of the film, the slot being closed by a rotatable shutter sleeve 23 having a corresponding slot 24. A removable cap 26 with an axial stub shaft 27, fits into the lower end of the shutter sleeve 23. A cap 29 closes the upper end of the tube 20 and in order to prevent its removal except when the slot 22 is closed, a stud 31 extends radially through a transverse slot 32 in the sleeve 23 and through an L- shaped slot 33, 34 in the cap flange 30. A pin 35 on the sleeve 23 projects through an axial slot 36 in the cap flange. The cap can only be removed when the studs register with the slots 34, 36, which is the position for closure of the passage 22. A resilient strip 37 and pin 38 are provided as locking means for the shutter sleeve when the passage is closed. A pointer 39 indicates the position of the sleeve 23. The film is fed forward into spiral channels 48, 49 by a roller 40 with knurled knob 44, the film spool 50 being held against rotation. Pouring and draining spouts are provided for the developing liquid.
Patent GB-1094505-A (GB)
Title: Nuclear reactor fuel elements
Inventor: OLDFIELD WILLIAM
IPC: G21C21/10
Filed: 1965-02-15
Abstract: 1,094,505. Welding by pressure; rolling. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. Feb. 8, 1966 [Feb. 15, 1965], No. 6512/65. Headings B3M and B3R. [Also in Division G6] A known method of manufacturing a fuel element in which a rectangular plate of fuel material is surrounded by a frame of cladding material, and cover plates of cladding material are placed on both sides of the fuel plate and frame to form a sandwich assembly which is hot-rolled to metallurgically bond the cover plates with the frame and fuel plate, is modified in that non-fissile inserts e.g. of the same material as the cladding are introduced at the end regions of the fuel element assembly between the frame and the cover plates, the inserts slightly overlapping the ends of the fuel plate. In the subsequent hot-rolling in which the pressure is applied progressively from one end to the other of the assembly to produce the bonding, the inserts serve to give uniformity of thickness to the fuel plate over the length of the fuel element and avoid the " dog-boning " effect which would otherwise be present. The cladding may be aluminium and the fuel a uranium/aluminium alloy; alternatively the cladding may be stainless steel and the fuel a ceramic or cermet type based on stainless steel and mixed uranium/plutonium oxide. The bonding may be alternatively performed by an extrusion process.
Patent GB-536551-A (GB)
Title: Improvements relating to steel articles
Filed: 1940-04-10
Abstract: 536,551. Alloys; annealing. MOND NICKEL CO., Ltd. April 10, 1940, No. 6520. Convention date, May 1, 1939. Drawings to Specification. [Class 82 (i)] Articles such as machine parts and the like are made from fine-grained deep-hardening steels containing 0.35-1 per cent. of carbon, at least 0.4 per cent. of manganese, 0.05-0.5 per cent. of aluminium, and 0.3-0.7 per cent. of silicon, with or without 0.001-3.5 per cent. of nickel, 0.001-1.5 per cent. of chromium, and 0.001-0.5 per cent. of molybdenum, and are hardened after working by being heated to above the critical range of the steel, and either rapidly cooled with or without tempering, or cooled to and held at a tempering temperature. The steel may initially contain less than 0.35 per cent. of carbon, the carbon content at the surface being raised to 0.35 or more by carburization. The molten steel may be de-oxidized by means of a silicon-containing agent, aluminium and silicon being afterwards added to produce the required contents in the product.
Patent GB-744174-A (GB)
Title: Improvements in ratchet-drive chucks
IPC: B23B45/12
Filed: 1953-03-10
Abstract: 744,174. Hand-drills; mounting chucks. COOPER, R. Feb. 25, 1954 [March 10, 1953], No. 6542/53. Class 83 (3). A ratchet-drive chuck 2, more particularly for a joiner's brace, comprises a shank 1 having a number of grooves or slots 6 across the end face thereof and a driving member 10 with a spring-actuated pawl 12 for cooperation with the grooves, a central bore 7 in the shank receiving a stem 8 projecting centrally from the driving member, the stem being rotatably held in the bore by a screw 5 engaging a groove 9. The driving member 10 is recessed at 11 to fit over the shank 1, and the pawl 12 can be turned so that it drives the part 1 in either direction of rotation. The bent frame of a brace &c. may be secured to the member 10.
Patent GB-253192-A (GB)
Title: Improvements in and relating to receivers for wireless telegraphy and telephony
IPC: H03D11/02
Filed: 1925-03-10
Abstract: 253,192. Seymour, C., and Drabble, J. C. W. March 10, 1925. Thermionic amplifiers and detectors for the reception of wireless telegraphy and telephony, of the kind in which a back-coupled valve is trigged into oscillation by the received signals and is immediately quenched again, employ a single triode valve V1 with the receiving circuit connected between plate and grid, the condenser C2 dividing the two inductance coils L1, L2 of this circuit being also included in a quenching circuit of lower frequency. The quenching circuit comprises the fixed condenser C2, two coils L3, L4, another condenser C3 and a variable resistance R1 by which the amplitude of the oscillations generated by the valve in the quenching circuit can be regulated. The resistance R1 may be shunted across one of the coils L3, L4. The receiving circuit C1, C2, L1, L2 may be a frame aerial, or may be coupled to an extended aerial A. The receiving circuit may be tuned by varying the inductances L1, L2 instead of the capacity C1. A grid condenser C4 and leak resistance R2 are employed in the grid circuit, and the telephones T or other indicator or transformer are in the plate circuit. The quenching oscillations may be of sub-audible, audible, or higher frequency, but in receiving interrupted continuous waves, the frequency should be higher than that of the interruptions. The only adjustments required for correct working are the tuning of the receiving circuit, and regulation of the quenching amplitude. Specification 244,568 is referred to.
Patent GB-563797-A (GB)
Title: Improvements in and relating to glass-houses and the like
IPC: A01G9/20
Filed: 1943-04-23
Abstract: 563,797. Glazing. FARISH, T. G. April 23, 1943, No. 6581. [Class 20 (iii)] A greenhouse, frame or the like is provided with permanent glazing b and temporary or removable glazing d spaced from the permanent glazing. One of the slots in the supports for the temporary glazing is stepped as shown to facilitate the insertion and removal of the temporary glazing and to receive spring locking clips f. Alternatively, the locking clips may be omitted and the slots for the temporary glazing formed in separate supports screwed to the main supports.
Patent GB-113875-A (GB)
Title: Improvements in and connected with Motor Vehicles.
Inventor: GOOD ALEXANDER
IPC: B60S9/18
Filed: 1917-05-10
Abstract: 113,875. Good, A. May 10, 1917. Differential gearing; compulsory differential driving; clutches, arrangements of.-To enable a motor-vehicle to be turned in a small space, the front wheels are raised from the ground and the back wheels are driven in opposite directions. For this purpose, the worm or bevel wheel 7 driven by the Cardan shaft 5 is not fixed to the differential casing 15 but is mounted loosely on one of the axles 1. By means of a clutch 12, the wheel 7 can be connected to the casing 15 for normal driving or to the axle 1. In the latter case, the casing 15 is held stationary by a brake 17 and the wheels are driven in opposite directions. The clutch 12 has arms 13 always in engagement with the wheel 7. In a modification, an outer differential casing if. moved axially to connect with the wheel 7 or with a fixed clutch member, and a separate clutch. connects the wheel 7 to the axle 1.
Patent GB-757366-A (GB)
Title: Electrical terminal blocks
IPC: H01R9/24
Filed: 1954-03-08
Abstract: 757,366. Terminal boards. CHAMBERLAIN & HOOKHAM, Ltd., and DEACON, L. O. March 2, 1955 [March 8, 1954], No. 6651/54. Class 38 (1). [Also in Group XXXVII] In a terminal board wherein a number of terminal blocks 5 are mounted on an insulating base 4 and adapted to be interconnected by a cross-bar 9 and captive screws 11, the crossbar is supported on insulating distance-pieces 8 located over holes 7 in the blocks 5 with which screws 11 co-operate. Each screw 11 has a limited amount of free axial movement when disengaged from the respective block 5 and is urged to its uppermost position by a spring 12 so that the projecting head of the screw serves to indicate that the screw is disconnected.
Patent GB-826664-A (GB)
Title: Improvements in or relating to control systems for steering dirigible craft
Inventor: FEARNSIDE KENNETH
IPC: G05D1/00
Filed: 1954-03-08
Abstract: 826,664. Automatic steering control systems. SMITH & SONS (ENGLAND) Ltd., S. May 16, 1955 [March 8, 1954], No. 6744/54. Drawings to Specification. Class 38 (4). In a craft steering system, deviations of the craft traverse acceleration from a required value are measured and applied to the control surface to direct the craft towards a target. The signals representing the rotation of the sight line joining the target and craft and the signal representing the craft velocity relative to the target are applied to a computer the output of which gives the value of the required transverse acceleration. This is compared with the output of an accelerometer responsive to acceleration transverse to the velocity vector. The difference between the required and actual accelerations is combined with the output of a rate-of-turn gyroscope to give a control surface displacement signal. The sight line and velocity signals are derived by a radar device carried in the craft, of the type described in Specification 789,160. To prevent oscillations in the control system due to noise and random aberrations a diode filter is inserted in the system.
Patent GB-349143-A (GB)
Title: Improvements in ladies' underwear
IPC: A41B9/04
Filed: 1930-02-28
Abstract: 349,143. Combination undergarments. SMEDLEY, Ltd., J., Lea Mills, near Matlock, Derbyshire, and MASON, B. M., 6, Wood Street, Middleton, Manchester. Feb. 28, 1930, No. 6749. [Class 141.] The crutch parts both at the front and at the back are so shaped that the flaps remain always in overlapping relation. To achieve this, the edges 5, 6, Fig. 1, of the front flaps are cut to overlap, as shown, and turn abruptly at 14 into the leg portion. Connection at 10, 11 is made in inclined directions as indicated, and the two halves of the garment are seamed at 3. At the back, the garment is seamed at 17, and the two flaps 7, 8 overlap, as shown, with an abrupt angle at 14.
Patent GB-379713-A (GB)
Title: Improvements in automatic fire-arms
IPC: F41A15/12
Filed: 1931-03-04
Abstract: 379,713. Automatic firearms. ARNOLD, C., 11, Southampton Buildings, London.- (Tikkakosken Rauta-Ja Puuteollisuus O. Y. ; Helsinki, Finland.) March 4, 1931, Nu. 6783. [Class 119.] The ejector 51, Fig. 3, of an automatic firearm is arranged to project into the breech-block chamber 50 to form a cartridge guide at a distance from the axis of the chamber 50 equal to or slightly greater than half the maximum diameter of the cartridge chamber 17. The guiding edge of the ejector may approach nearer to the axis towards the rear where the ejector is formed with a lug 20 to throw the cartridge out through an aperture 21. The cartridge is extracted by an extractor 19. This arrangement is especially intended for a firearm having a breech-block 4 adapted to be pushed back by the pressure of the gun gases against a spring 8, the breech-block forming a piston 41, Fig. 1, in a cylinder 33 provided with a non-return spring valve 26, which opens to allow the air to escape during the back stroke of the breech-block. During the return forward stroke air leaks into the cylinder through a hole adjustable in size to determine the speed of this return stroke. At the end of the stroke, a fresh cartridge is fired by a pin 18 on the front end of the breech-block. The breech-block may be cocked by hand by a slide 5 controlled by a spring 7, and is held cocked by a sear 6 controlled by a trigger 15. The cartridge magazine 1 is held in place by a catch 3.
Patent GB-452849-A (GB)
Title: An improved method of and apparatus for measuring the phase angle between two alternating current magnitudes, more especially for remote measurement purposes
IPC: G01R11/48
Filed: 1935-03-05
Abstract: 452,849. Phase-difference measurements. LANDIS & GYR AKT.-GES., 1, Hofstrasse, Zug, Switzerland. March 5, 1935, No. 6832. Convention date, April 20, 1934. [Class 37] The phase angle between two alternating- current magnitudes is measured by introducing a third alternating-current magnitude acting in alternating relation with the other two magnitudes, the phase angle between the effects produced by the product of the fluxes due to each of the first two magnitudes with that due to the third being used as a measure of the phase angle required. In the arrangement shown, for measuring the phase angle between current and voltage in a polyphase network, two Ferraris measuring systems a, b are provided, which have coils 1, 2 and 11, 21 and contact balances 3, 31 respectively. The coil 1 of the system a is arranged in the phase conductor R and supplied with a current corresponding to the first magnitude, while the coil 1<1> of the system b is connected between the conductor R and neutral and supplied with a current corresponding to the second magnitude. The coils 2, 2<1> are connected in parallel and supplied with current corresponding to the third magnitude drawn from a phase regulator c which is driven by a motor d at constant speed and has a primary winding 4 delta-connected to the network, and a secondary winding 5 connected through slip rings to the coils 2, 2<1>. The two contact balances 3, 3<1> each comprise a contact arm 10, 10<1> mounted on the shaft 9, 9<1> of the system, minus contacts 11, 11<1> and plus contacts 12, 12<1>. The plus and minus contacts are connected together, and when both contact arms simultaneously engage plus or minus contacts, the winding 13 of a Ferraris measuring instrument e receives an impulse. The mean rate of revolution of the instrument e is proportional to the phase angle required, and may either be indicated directly or transmitted to a distance by means of an impulse transmitting device such as a commutator 18. Instead of alternating current, the current controlled by the contact balances may be a direct current taken from the network through a rectifier.
Patent GB-370150-A (GB)
Title: Improvements in the means of hydraulically transmitting power
IPC: F16H39/02
Filed: 1931-03-05
Abstract: 370,150. Hydraulic transmission of power. BRINDLEY, J. and EVANS, J. O., Culwell Works, Wolverhampton. March 5, 1931, No. 6833. [Class 69 (ii).] Hydraulic variable-speed gearing comprises a gear-wheel pump A, Fig. 2, adapted to supply a motor; control is effected by a valve B moved endwise to determine the number of pump sections in action, and turned to effect reversal or free-wheeling of the motor. The control lever N, Fig. 6, encloses a member O having a projection p and engaging .a member S with a projection r, the projections being adapted to co-operate with slots in the rims of members P, Q, and the member S being normally pressed upwards by a spring as shown in Fig. 7. When the parts are in the positions shown, movement of the lever N rotates the member P and through a lever G moves the valve endwise ; movement of the lever when the member O is depressed rotates the member Q and through a crank H, rack K, and pinion J, turns the valve.
Patent GB-350004-A (GB)
Title: Reducers or nipples for electric conduit boxes
IPC: H02G3/06
Filed: 1930-03-01
Abstract: 350,004. Securing pipes or tubes to plates &c. HADEN & SONS, Ltd., G. N., St. George's Works, Trowbridge, Wiltshire, DAVIS, C. M., 117, Woodlands, Golders Green, and KING, C., 127, Columbia Road, Hackney Road, both in London. March 1, 1930, No. 6847. [Class 99 (i).] Metal conduit b is secured to a box 4 by means of a reducer or nipple 1 having a threaded shank 5, made in various sizes for conduit of different diameters, a plain or threaded neck 6, of a standard diameter larger than that of the shank 5, and a hexagon head 7. The shank may enter the conduit direct or a socket a may be interposed. In assembling, the shank 5 is first partially screwed into the conduit and the neck 6 is then started in the hole 2 of the box.
Patent GB-778554-A (GB)
Title: Additive for copper-graphite brush
IPC: H01R39/20
Filed: 1956-03-06
Abstract: 778,554. Brushes for dynamo-electric machines. UNION CARBIDE & CARBON CORPORATION. March 6, 1956 [March 8, 1955], No. 6942/56. Class 35. An electric brush containing 30-75 per cent copper and 25-70 per cent graphite, by weight, has an additive mixture of lead and boron nitride in an amount 1.1-15 per cent by weight of the copper and graphite. The lead and boron nitride mixture contains up to 10 per cent and preferably 4-6 per cent lead, and up to 5 per cent and preferably 0.5-1.5 per cent boron nitride.
Patent GB-537851-A (GB)
Title: Improvements in or relating to pyrophoric lighters
IPC: F23Q2/40
Filed: 1940-04-17
Abstract: 537,851. Frictional pocket igniters. PEARLMAN, B., and COLLINS. J. H. April 17, 1940, No. 6957. [Class 75 (iii)] The wick snuffer 4 and a cap 3 covering the wick snuffer and flint wheel of a pyrophoric cigarette &c. lighter and an arm 1 pivoted to the lighter casing are secured together by a single rivet 8 which may be formed as an upward extension of snuffer 4 and pass through holes 5, 6 in the arm and cap. The hole 5 may be formed in a non-circular extension 10 of the arm fitting in a similarly shaped hole 7 in the cap.
Patent GB-110313-A (GB)
Title: Improvements in or relating to Pneumatic Tyres.
Inventor: KUEHNE FRANZ
IPC: B60C15/02
Filed: 1917-05-15
Abstract: 110,313. K³hne, F. Nov. 18, 1916, [Convention date]. Addition to 101,795. Tyre attachments to rims; detachablerim attachments to wheels.-The rubberfaced ring e, between which and the rim flanges o the edges of the tyre a are gripped, is formed with a web k to which the flanges are bolted and with a base l on which the flanges are seated. The built-up rim is secured by transverse bolts between an off-set flange on the fixed wheel rim m and a flange &c. n.
Patent GB-189044-A (GB)
Title: Improvements relating to lawn-mowers
IPC: A01D34/49
Filed: 1922-03-10
Abstract: 189,044. Pugh, Ltd., C. H., and Bull, G. F. March 10, 1922. Lawn-mowers.-The concave grass-directing plate 1 of a lawn-mower is mounted upon a rigid skeleton framework 2 which is secured bv bolts to the main frame of the machine. The plate 1 rests upon two seatings 10 behind a rib 8 extending across the frame 2. The rib is cut away in front of the seatings 10 and is deeper than the distance from the top to the bottom of the seatings so that any dirt accumulating on the rib or the seatings is pushed away when the plate is fitted in position. A pair of hook-like members 12 is secured to the upper edge of the plate, these members being provided with slotted eyes 16 adapted to engage shoulders 17 on wing-nuts 18 secured on bolts 14. The rear parts of the members 12 are formed as hooks to engage a rib 13 on the frame 2. The ledger blade 7 is secured on the bottom of the skeleton frame. When the plate 1 is removed the grass is thrown to the rear of the machine through the skeleton frame.
Patent GB-964468-A (GB)
Title: Timing circuit
IPC: H03K5/13
Filed: 1962-02-23
Abstract: 964,468. Transistor delay relay circuits; telegraphy. STANDARD TELEPHONES & CABLES Ltd. Feb. 23, 1962 [March 2, 1961], No. 7067/62. Headings H3T and H4P. A circuit, more particularly for operating a relay when a telegraph signal exceeds fivespacing elements, comprises a normally disabled transistor " flip-flop " which is set into its unstable state by the input signal and switches to its stable state if the signal duration exceeds a given length. Fig. 5 shows a " flip-flop " circuit including a switch S representing an incoming pulse source. When the switch is open (representing pulse absence) both transistors are de-energized and relay H is not operated. When switch S is operated transistor Tr1 becomes conducting. The coupling capacitor C1 however commences to discharge and if switch S is maintained operated long enough transistor Tr2 will become conducting operating relay H and, owing to the crosscoupling, Tr<1> will be cut-off. Relay H accordingly operates if the pulse input exceeds a certain length and releases at the end of the pulse. The negative supply UB may be obtained from a higher voltage telegraph station battery by a transistor voltage stabilizer (Fig. 7, not shown).
Patent GB-424669-A (GB)
Title: Suspension system
IPC: B60N2/54
Filed: 1934-03-06
Abstract: 424,669. Spring mountings for seats. LIRON, C., 4, Place Jeanne d'Arc, and VEPER, G., 10, Rue Leon Gambetta, both in ChÔteaubriant, Loire-Inferieure, France. March 6, 1934, No. 7123. Convention date, March 7, 1933. [Class 52 (ii)] [See also Groups XXXII and XXXI] A suspension system more particularly for the suspension of seats such as the seats of motor vehicles, motor-cycles, bicycles, &c., comprises a pivoted member adapted to receive a load at one point and to be suspended at another point by means of two elastic devices or two groups of elastic devices, the resistance of one of which increases at a greater rate than that of the increase in the load while the resistance of the other increases proportionally to the increase in load. In the diagrammatic construction shown in Fig. 2 a lever 13 pivoted at 14 supports a mass 15 or 25 and is itself supported by springs 16, 16<a>, 17, 17a, the resistance of which increases proportionally to the increase in mass, and by springs 20, 21 normally occupying substantially horizontal positions but which under increase in load move towards positions nearer the vertical, the resistance of the springs increasing at a rate greater than that of the increase in load. The springs 16, 16<a> and 17, 17<a> are separated by masses 18, 19 the vibrations of which neutralize those of the springs. The springs 20, 21 are connected to two independent supporting members, or to a common supporting member 22 slidably adjustable on a slotted frame 23. In a modification the lever is supported by a single vertical spring and a single horizontal spring. In a second diagrammatic construction the lever is pivoted between its ends the mass being supported at one end and a spring system similar to that shown in Fig. 2 acting on the other end. The above constructions are shown applied to a vehicle seat the weight of which corresponds to the mass supported by the lever. Load-displacement curves for the various springs are described and shown. The Specification as open to inspection under Sect. 91 comprises also a lever 7, Fig. 2 (Cancelled), pivoted at one end 8 and supported at its other end by vertical springs 10, 11 separated by a mass 12. This subjectmatter does not appear in the Specification as accepted.