baber/WOPTO huggingface dataset:
Patent GB-974547-A (GB)
Title: Improvements in or relating to nuclear reactors
IPC: G21C7/14
Filed: 1963-04-04
Abstract: 974,547. Reactor control rods. BABCOCK & WILCOX CO. April 4, 1963 [April 6, 1962], No. 13334/63. Heading G6C. A nuclear reactor control rod drive mechanism comprises a driving rod having a helical rack, a driven pinion for driving the rack, and means for preventing rotation of the drive rod when being driven. The invention may be used in conjunction with top or bottom mounted control rods. A reactor pressure vessel closure head 10 includes a number of control rod openings 11, above each of which is mounted a housing 12 between flanges 15, 16. Within and extending downwardly from each housing is a drive rod 22 having a coupling 24 at its lower end for engaging a control rod, and a helical rack 26 extending along a part of its upper portion. A square bore 3-0 passes axially through the drive rod and contains a square-section keeper 32, which is fixedly mounted in the top of the housing 12. Thus the drive rod is prevented from rotating. Driven shafts 18 drive pinions 28 in order to move the drive rods in and out of the reactor. In order to gain access to a control rod, all the control rods are fully inserted, and the top flange 15 and keeper rod 32 are removed. Rotation of the pinion 28 will now cause the drive rod to uncouple from the control rod, after which the entire housing 12, drive rod 22 and pinion 28 can be removed to give access to the control rod. If access is required to all the control rods, or some other part of the pressure vessel interior, after the drive rods have been uncoupled, the closure head 10 can be removed bodily with all the control rod drive assembly in place, with the exceptions of the top flanges and keeper rods.
Patent GB-133443-A (GB)
IPC: F02F1/00
Abstract: 133,443. Salway, A. E. Oct. 10. 1918. Cylinders; pistons.-Cylinders and pistons are cut away in the manner shown at a<1>, a<2>, b' to clear the crank, balance weights, connecting-rod, &c., in order that the cylinder may be brought nearer the crank-shaft and the engine thus shortened and lightened.
Patent GB-220265-A (GB)
Title: Improvements in and relating to apparatus for filling bottles, jars and other vessels with regulated quantities of liquids
IPC: B67C3/28
Filed: 1924-05-31
Abstract: 220,265. Burns, J. May 31, 1924. Addition to 203,581. Bottling; filling jars and like receptacles.-In apparatus for filling bottles, jars, &c., and of the kind described in the parent Specification, the valves are operated from a transmission mechanism producing an intermittent motion from a continuous motion so that the valves are in the open position longer than the closed position, and lost time is reduced. As shown, traversing tables 26, 26<a> for supporting the bottles 25, 25<a> are operated from a shaft 35, and the beams 11 for raising and lowering the valves 7 are operated by cams 13 on shafts 12, as described in the parent Specification. The shafts 12 are adapted to be connected by claw couplings 47 operated by hand levers 48 to a shaft 46 upon which is keyed a boss 50 with diametrically opposite projections 51. Chains 54 are driven from a shaft 56 and pass round sprocket wheels freely rotatable on the boss 50 so that suitably spaced cross-studs 57 engage the projections 51 and thereby impart to the shafts 46, 12 intermittent half rotations. The shaft 56 is connected to the driving shaft 58 through the medium of variable-speed gearing 59. The tables 26, 26a are disposed in relatively displaced positions, so that an attendant on each side of the machine may place empty bottles on one table and remove filled ones from the other and vice versa. Sprocket chains 61 may be provided for driving other filling apparatus in synchronism. The valves 7 are connected to a beam 43 adjustable relatively to the beam 11 so as to permit simultaneous adjustment, and have a covering 62 of soft rubber co-operating with narrow annular searings 63 in the valve casings. The cams 13 may give one or more lifts per revolution of the shaft 12.
Patent GB-423775-A (GB)
Title: Improvements in and relating to upholstery installations
IPC: A47C31/02
Filed: 1934-05-03
Abstract: 423,775. Press - stud fasteners. UNITED-CARR FASTENER CORPORATION, 31, Ames Street, Cambridge, Massachusetts, U.S.A.-(Assignees of Jones, W. I.; Arlington, Massachusetts, U.S.A.) May 3, 1934, No. 13400. Convention date, May 9, 1933. [Class 44] A press-stud is secured to an upholstery panel by inserting an enlarged head 6 on the stud through a hole in a strip 2 or an equivalent metal member 12, Fig. 5, secured to the panel and rotating the stud so that the head lies in the space between the holding device and the panel.
Patent GB-1500574-A (GB)
Title: Four-stroke petrol engines
IPC: F02B19/04
Filed: 1975-04-02
Abstract: 1500574 Four-stroke engine combustion chambers FUJI HEAVY INDUSTRIES Ltd  2 April 1975 [3 April 1974] 13424/75 Heading F1B A projection 10 on the piston 3 enters a cavity in the cylinder head 2 on the inward stroke of the piston so that at least two isolated chambers 4a, 4b are defined at T.D.C. One chamber 4a contains a spark-plug 9 and mixture in the other chamber or, chambers is ignited when the projection 10 permits the flame from the one chamber to enter the other chamber or chambers, e.g. 10 to 30 of crank angle after T.D.C. The mixture inlet passage 5 may open to the chamber 4a Fig. 6 (not shown), and the spark-plug 9 may be located in chamber 4b, Fig. 5 (not shown). The chambers may have different volumes and compression pressures at T.D.C. and a groove (11), Figs. 8 and 9 (not shown), in the projection or cylinder head may provide restricted communication between the chambers 4a, 4b when the projection enters the head cavity. Grooves (13) Fig. 10 (not shown), or passages (14, 15), Fig. 11  (not shown), on or in the piston may provide the restricted communication. A squish shoulder (16) Fig. 12 (not shown), may be provided in the chamber 4a. Respective exhaust passages (7a, 7b), Fig. 13 (not shown), may open to the chambers (4a, 4b). The inlet and exhaust passages may open to respective chambers, Fig. 14 (not shown). The projection may be co-axial with the piston Figs. 15 to 18 (not shown). The piston may enter a spacer plate (17), Fig. 16 between the cylinder (18) and head (19). The projection may have a conical top surface, (Fig. 17). The projection may be stepped to define two chambers in the head in addition to the chamber (4c) between the piston and the head, (Fig. 18).
Patent GB-1299323-A (GB)
Title: Method of and apparatus for trasporting flat articles to a receiver
IPC: B65H15/02
Filed: 1971-05-06
Abstract: 1299323 Endless conveyers; feeding and delivering sheets CROWN ZELLERBACH CORP 6 May 1971 [22 June 1970] 13425/71 Headings B8A and B8R Apparatus for transporting stacks of box blanks 20a-20d individually from a stack conveyer 24 to a receiver 38 where the blanks are received in sequence comprises a transfer conveyer 26 which is pivotally mounted between the conveyer 24 and receiver 38, the conveyer 26 consisting of two endless conveyer belts 28, 30 mounted on a frame at one end of which are legs 32, 34. The stack 20a is fed from the conveyer 24 on to the legs 32, 34 when the conveyer 26 is vertically aligned as shown in dotted lines in Fig. 2A. By means of a ram 106 the conveyer 26 is pivoted about a rod 104 to the full line position shown, the belts 28, 30 being energized to discharge the blanks on to a shingling conveyer 36 on which the articles are transported to the receiver 38. As the last blanks reach the end of the conveyer 26 scraper arms 40, 42 move the said blanks on to the shingling conveyer 36, the blanks being spaced on the conveyer 36 by means of rollers (126), Fig. 6 (not shown), whose position is adjustable to vary the relative spacing of the blanks.
Patent GB-540657-A (GB)
Title: Improvements in walking-stick seats
IPC: A45B5/00
Filed: 1940-08-24
Abstract: 540,657. Landing nets. WEST, G. F. M. CORNWALLIS-. Aug. 24, 1940, No. 13432. [Class 48] [Also in Group XIV] An anglers' landing net 15 is attached to a shooting stick. The net frame may be pivoted to a member 17 at one end of the net rod detachably fastened to the stick, the other end of the rod being pivoted at 19 to a fixture at the ferrule end of the stick so that the net may be opened out as shown in dotted lines with the rod fitting a notch in the ferrule plate 12 and retained by a catch. Alternatively the net frame may be mounted on a sleeve slidable on the stick and carry a ferrule-shaped cap to fit over the stick ferrule in the out-ofuse position; or the net rod may have a screw cap at one end to screw over the end of the stick after the ferrule has been detached, or over a boss near the handle end of the stick when not in use. Other arrangements are referred to in which the net folds and fits within a hollow stick, and a telescopic stick with the inner member carrying the net.
Patent GB-135324-A (GB)
IPC: B62B5/04
Abstract: 135,324. Hodgetts, F. R. Dec. 3, 1918. Hooks, spring and closed.- In a spring brake-clip for perambulators &c., of the type attached by a chain and clipped round the tyre and rim of a wheel and comprising a pair of levers forming a circular eye when closed by a spring round the pivot pin, the two halves a<2> of the eye are of channel or circular cross-section, each lever being stamped up or formed from a sheet-metal blank by a series of operations. When the eye-parts are of channel section, an open rubber ring may be inserted to protect the enamel of the wheel. The handle parts a<3>, which are bent out angularly prior to the eye-parts being made semicircular, may also be of channel section. The overlap at a<4> is formed by a similar recess in each blank, one of the blanks being reversed for the later processes.
Patent GB-1495763-A (GB)
Title: Electron stream generator and laser head
IPC: H01J33/00
Filed: 1975-04-02
Abstract: 1495763 Photoelectric and cold cathode tubes; lasers COMPAGNIE GENERALE D'ELECTRICITE 2 April 1975 [4 April 1974] 13559/75 Headings H1D and H1C To reduce scatter in the delay between triggering and onset of the electron pulse used to ionize the gas in a CO 2 -N 2 He laser amplifier or emitter 17, electron generator 1 with Al alloy cold cathode 8 facing electron permeable thin anode 5, e.g of Ti, supported on grid 6 carries several pure quartz rods 10 transmitting UV light from an external, e.g. Xe, flash tube 12 to the neighbourhood of anode 5 to illuminate cathode face 9. The surfaces of Al grid 6 are coated with Au or higher atomic number metal. The electron generator housing 2, e.g. of plastics, is filled with low pressure He after evacuation. In a laser amplifier 17 the light to be amplified enters and leaves by windows 22, 23, passing through the gas mixture at atmospheric pressure, ionized by the electrons passing through anode 5 which acts as cathode opposite higher voltage anode 20. In a laser emitter an optically resonant cavity contains the gas to be ionized. To operate, a positive pulse is applied to anode 5 shortly before the UV flash from tube 12.
Patent GB-592886-A (GB)
Title: Shirt folding table
IPC: D06F89/02
Filed: 1944-07-18
Abstract: 592,886. Folding or dressing shirts. DEHN, F. B. (Bishop Co., G. H.). July 18, 1944, No. 13708. [Class 138 (ii)] A shirt-folding table is provided with means for accurately centring the button - strip after placing the neckband or collar on a former, for holding the body so aligned and folding the sides and sleeves over a cardboard stiffener, for clamping the folded sides near the collar and releasing the former hold and folding the tail portions to position and finally for withdrawing the folded shirt parallel to itself from the collar former. The shirt is placed face down on the table 1, Figs. 7 and 10, with the neckband or collar in a recess over an expanding former comprising a front portion 10 and two rear portions 14, all having T-slots to slide on ribs on a base 7, the rear portions having each a link 16 connecting to a bellcrank lever pivoted at 18 on the base 7, the longer arms of the levers having curved slots 19 working on a pin 20 on the front portion 10, movement of the three thus corresponding to expand or contract the neck. This movement is caused by brackets 181, 19<1> secured to the front portion 10 by a pin or pins 13, and moved along a rod 21 by a spring 26 to expand the neck former, and by a piston-rod 28 to contract it. The neckband being in position on the former; the shirt body is moved to bring the button atrip between a pair of windows 35, 36 lit by a lamp 38, Fig. 6, when the operator touches a lever 40. The lever is pivoted at 42. and rocks a lever 47 pivoted at 48 to raise a bolt 51 and throw over a clamp 52 pivoted at 53 to hold the shirt so aligned. At the same time an extension arm 60 of the lever 40 opens a valve 62 to exhaust a cylinder 30 and allow the spring 26 to expand the neck former. This occurs slightly before the clamp 52 grips. The sides and sleeves of the shirt are now folded about a shirt-folding board 76 which is pivoted at 78 to a vertically-movable carriage 75 and has clipped to its underside a cardboard stiffener. The shirt is held in this position by a manually-operable spring-urged clamp 100 while the operator releases clamp 52, folds the tail of the shirt over the folding-board and applies a band from a magazine 106 around the shirt. The clamp 100 is now rocked to release the shirt. Upon the depression of a pedal, compressed air is supplied through a pipe-line 68, Fig. 7, to the cylinder 30 to contract the former and release the neckband, and to a pair of cylinders 82 to elevate the carriage 75, with the folding board and shirt, to the position shown in broken lines. The folded shirt is finally slipped off the elevated board and the pedal released to connect the pipe-line 68 to atmosphere. Whereupon, the air in cylinders 82 bleeds past a valve 91 to allow the carriage 75 to descend under the action of springs 93. A non-return valve 69 maintains the air in cylinder 30 under compression to hold the former in contracted position until lever 40 is again operated.
Patent GB-1467829-A (GB)
Title: Surface wave multifrequency oscillator
IPC: H03B5/32
Filed: 1974-03-28
Abstract: 1467829 Oscillators; digital-to-frequency conversion TEXAS INSTRUMENTS Inc 28 March 1974 [2 April 1973] 13722/74 Headings H3F and H3H An oscillator comprises a wide-band amplifier 10, Fig. 1, with positive feedback via a surface wave delay line 12 having a spectrum of narrow resonant peaks, tuning means for selecting the frequency at which oscillation occurs and digital means 18 for controlling the frequency selected by the tuning means. In this embodiment a varactor tuned bandpass filter 14 is used as the tuning means and is located in the regenerative feedback path. A digital frequency selecting input signal representative of a number from O to N-1, where N is the possible number of frequencies of oscillation is applied to circuit 18. Upon the reception of a new control signal this sets the frequency of filter 14 to below the lowest resonant frequency of delay line 12 and sets pulse counter 16 to zero. Logic circuit 18 compares the input with the output of pulse counter 16 and if these differ applies a voltage to filter 14 causing its resonant frequency to increase until the system goes into oscillation. Automatic level control circuit 34 then causes pulse counter 16 to count 1. Each time one of the resonance frequencies of delay line 12 is passed the counter 16 increases its count by one, until agreement is reached in logic circuit 18, whereupon the output of filter 14 is maintained constant. The Specification also describes the arrangement in more detail (Fig. 5, not shown) in an embodiment in which the, adjustable resonant circuit is in the form of a notch filter placed in a negative feedback path of the amplifier. The automatic level control circuit may comprise an amplifier 106, Fig. 106, the oscillator output being applied via terminal 116 to a rectifier and smoothing network 96, 98 which applies an in-phase input to amplifier 106 via potentiometer 102, 103. A D.C. reference potential is applied to the out-of-phase input terminal via terminal 114, potentiometer 90, 92 and negative feedback network 100, 104. If the centre frequency of the varactor tuned filter is not sufficiently close to the centre frequency of the desired resonant peak of the surface wave delay line, the amplitude of oscillation is below the nominal value, in which case the voltage at the junction of resistors 96, 102 is less than that at the junction of resistors 92, 100. Transistor 108 is then biased conductive and injects current into output 120 which causes the resonant frequency of the varactor tuned filter to increase.
Patent GB-271515-A (GB)
Title: Improvements in or relating to cash registers and like accounting machines
IPC: G06C7/10
Filed: 1927-05-23
Abstract: 271,515. National Cash Register Co., (Assignees of Shipley, B. M.). May 24, 1926, [Convention date]. Cash registers; printing totals.-In a machine adapted for dealing with multiple-item transactions, the use of a multiple-item key positively prevents the subsequent movement of the total lever to any position other than that pertaining to the multiple-item transaction. The transaction bank containing multiple-item keys 32 and single-item keys 33 is identical with that described in Specification 227,861 so that when a multiple-item key is depressed and the machine operated the roller 71 releases the arm 47 and permits the bail 50 to enter the detent notch 51 and lock the keys throughout the item-entering operations. Secured to the arm 47 is another arm 68, Fig. 4, bearing a roller 67 engaging a cam slot 66 in a plate 63 pivoted at 64 to the hanger 65. This plate has a lug 62 normally engaging a notch 61 in a plate 60 secured to the total lever 53 so that movement of this lever is only possible between the add and multiple-item total positions. When the transaction total is being taken, the rocking of shaft 48 by the total-taking mechanism shifts the arms 47 and 68 counterclockwise (Fig. 4) to enable them to be seized by the differential arm 52 to free the keys and at the same time the plate 63 is rooked clockwise by roller 67 to remove the lug 62 from the total lever. Specification 8119/15 is also referred to.
Patent GB-456732-A (GB)
Title: Improvements in illuminated number plates for motor road vehicles
IPC: G09F13/14
Filed: 1935-05-10
Abstract: 456,732. Vehicle number plates. TURINO, E., 16, Via Venti Settembre, Turin, Italy. May 10, 1935, No. 13854. [Class 3 (ii)] A vehicle number plate of the kind comprising a casing containing electric lamps and a reflector directing light on to a front sign plate, is characterized in that the reflecting back wall of the casing has an undulating cross-section transversely of the casing and the number of undulations correspond with the number of lamps, said lamps being located within the concave portions of the reflector. In the embodiment shown in Figs. 3, 5, a plate 4, comprising a stencil or a translucent sheet on which opaque characters are secured, is held against a casing 1 by a frame 6 and illuminated by lamps 3 positioned in portions a, b of a reflector A. The depth of the undulations of the reflector and the cross-sectional area of the casing decrease from the top to the bottom of the casing. The upper edge of the casing is closed by a cover 2 provided with a reflector having an undulating skirting 2‹ preventing direct illumination of the plate 4. In a modification, the casing is divided into a main chamber displaying the vehicle registration number, and two smaller side chambers for displaying direction indicators, and a small casing is provided above the main chamber for displaying a stop signal.
Patent GB-150427-A (GB)
Title: Improvements in or relating to water tube boilers
IPC: F22B37/22
Filed: 1919-06-02
Abstract: 150,427. Noble, E. E. June 2, 1919. Water-tube boilers; valves for controlling steam drawn from two or more drums, arrangement of. - In water - tube boilers with two or more steam drums, a baffle-plate valve and baffles are provided for controlling the path and proportions of steam drawn from each drum. The drums a, b, e are connected by pipes e, d, Figs. 1, 3, some of which enter a space in the centre drum a provided with baffle-plates g, h. The plates are apertured at i, j, and a screw-down valve k is adapted to close or partly close these apertures as necessary. The valve is spring supported on its stem to prevent injury due to rough action on the part of the operator. Preferably the valve is a disk m with a U-section edge n of asbestos cloth, fibre, &c. In accordance with the position of the valve, varying proportions of steam from the three drums pass to the steam outlet. When only two drums exist, a single-valved baffle is placed in the drum from which steam is drawn and an imperforate baffle is situated in the other drum, the connecting-pipes being arranged as described above.
Patent GB-657763-A (GB)
Title: Improvements in explosive charges and methods of blasting
IPC: F42B3/08
Filed: 1948-05-24
Abstract: 657,763. Blasting cartridges and charges. DU PONT DE NEMOURS & CO., E. I. May 24, 1948, No. 13978. [Classes 9 (i) and 68 (i)] High explosive charge for blasting and like purposes has a plurality of longitudinal cavities in its surface. Fig. 2 shows a cylindrical stick 14 of explosive with cavities 15, 16, 17, 18 of triangular cross-section extending along the stick. A liner of metal, glass, moulded fibre or synthetic resin may be fitted in each cavity. The cavities instead of being triangular may be of part circular cross-section, Fig. 4. Suitable explosives given are trinitro-toluene, pentaerythritol tetranitrate, picric acid, ethylene-dinitramine, tetryl and cyclotrimethylene-trinitramine and blends of these explosives. Sensitised ammonium nitrate explosives may also be used. The liners may be built into a container and the explosive packed into the space around the liners. In this case the explosive may be liquid or solidified nitroglycerine. When bare charges are used the liner may be inserted in the borehole and the explosive tamped round it. Fig. 1 shows the arrangement of several charges in boreholes 26, 27...31, each charge having four cavities, the charges being so orientated in the boreholes that the maximum blasting effect from each charge is directed towards neighbouring boreholes.
Patent GB-640833-A (GB)
Title: Improvements in or relating to thermionic valves
IPC: H01J21/06
Filed: 1948-05-24
Abstract: 640,833. Holders for gas discharge tubes. M-O VALVE CO., Ltd., and BELL, J. May 24, 1948, No. 14018. [Class 38 (i)] [Also in Group XL (a)] The anode 12, Fig. 1, of a thermionic valve is supported by a metal disc 16 passing through the envelope 1, and the seals of the leads to the grid and cathode are on opposite sides of the disc 16. As shown, the grid 9 is supported by a disc 10 to the flange 15 of which connections are made, while the cathode 3 is supported on a tube 2 through which passes the lead 5. A screen 14 prevents deposition on the envelope 1 of material evaporated from the tube 2. Preferably, the external circuits comprise two tunable coaxial lines 19, 20 and 17, 18, Fig. 2 ; the outer cylinder 19 terminates in a flange 28 separated by a mica disc 30 from a flange 29 having projections 36, while the inner line 20 is adapted to fit over flange 15, Fig. 1; the other coaxial line has its inner line 18, Fig. 2, adapted to fit over the end of cylinder 2, Fig. 1, while its outer cylinder terminates in a flange 24 separated by a mica disc 26 from a flange 25 which has projections 32 adapted to co-operate as a bayonet-type joint with projections 36, so that the flange 16, Fig. 1, is gripped between flanges 29, 25, Fig. 2. The anode disc 16 is thus capacitatively coupled to cylinder 17.