baber/WOPTO huggingface dataset:
Patent GB-328579-A (GB)
Title: Improvements in solar clocks
Inventor: LORIA FRANCESCO
IPC: G04B49/02
Filed: 1929-01-29
Abstract: 328,579. Loria, F. Jan. 29, 1929. Sundials.-In a portable sundial for the mean time at the locality of erection or for other meridians (e.g. the standard meridian of the country), the dials carrying the hour curves and day circles are arranged parallel to the equitorial plane and can be turned through 360 about a gnomon, which passes through the centres of the dials and is arranged parallel to the earth's axis. There are four dials used, two at a time, one pair for June to December and the other pair for December to June. Fig. 1 shows a pair of dials in section, the device being set for the 42nd degree of latitude. The two dials are on concave plates, one facing upwardly and one downwardly, about a central gnomon 8. A triangular base plate 1 secured in a horizontal position to a wall has a threaded shaft 2 ending in a nut 3. This base plate 1 is so mounted on its support that one of its points is directed substantially towards the North Pole, for the northern hemisphere. A frame mounted on a plate 4 is clamped in position by tightening nut 3 on to plate 4 as soon as the latter has been adjusted horizontally. In the frame is a shaft 5, to the end 5<1> of which is pivoted an arm 6 carrying the pair of dials 7. Integral with arm 6 is a graduated quadrant 16 which, when the correct mark (42 in this case) coincides with the axis of shaft 5, is clamped by a screw 17. The device is set to the meridian of the locality as follows :-the plate 4 carries a slate 11 with rod 12, eye 13 and plumb-bob 14. The point indicated on this slate by bob 14 is marked and from this point as centre two or three circles are drawn. The points at which a ray of light through eye 13 cuts these circles, are marked and the resulting chords are bisected. These points of bisection are joined to the common centre of the circles, this straight line indicating the meridian. The next day when the ray through eye 13 intersects this meridian line the dial plates are so adjusted that the shadow of gnomon 8 falls on the 12-24 line. Nut 15 is then tightened to hold the shaft 5 in its adjusted position. A scale on the frame and a pointer 19 rigid with shaft 5 indicate, after the device. has been adjusted, whether any further adjustment has been made. In order to read the time of some meridian other than that of the locality of the device, it is only necessary to move the dial about the gnomon by an amount corresponding to the difference of the meridians. For this the edges of the, dials may be graduated.
Patent GB-1274301-A (GB)
Title: Improvements in asphaltic binders
Inventor: LAMMIMAN KENNETH ALBERT
IPC: C10C3/04
Filed: 1969-01-20
Abstract: 1,274,301. Improving asphalts. ESSO RESEARCH & ENG. CO. 6 Nov., 1969 [20 Jan., 1969], No. 3121/69. Heading C5E. An asphaltic binder, e.g. for road surfacing, is improved by oxidizing a bituminous crude petroleum residue, e.g. by air blowing to a lower penetration but not exceeding 25, and then fluxing to the desired pentration. The original binder may be the residue from a Middle East crude, and the flux may be an aromatic flux oil, an atmospheric or vacuum petroleum residue, a de-asphalted petroleum residue, a vacuum distillate, or a mixture of two or more thereof, and may be a portion of the original binder.
Patent GB-863379-A (GB)
Title: Compositions of vinyl polymers
IPC: C08L35/08
Filed: 1958-01-30
Abstract: A hair-setting or hair-waving preparation is an aerosol comprising a composition of a polyvinyl methyl ether and an esterified copolymer of maleic anhydride and an alkyl vinyl ether (see Group IV(a)) dissolved in an alcohalic solvent with a "Freon" (Registered Trade Mark) type propellant.ALSO:Food products and leather are protected during normal handling by coating them with a composition of a polyvinyl methyl ether and an esterified copolymer of maleic anhydride or an alkyl vinyl ether.  The coating is later removed by dissolving it in water. Similarly, pharmaceuticals are given protection during normal handling or are protected against attack by stomach acids by coating them with the above vinyl polymer composition.  Thus a laxative so coated will have its effects only in the small intestines.
Patent GB-607371-A (GB)
Title: Improvements in or relating to radio navigational aids or systems
IPC: G01S1/02
Filed: 1946-01-31
Abstract: 607,371. Radio navigation. FLETCHER, H. Jan. 31, 1946, No. 3181. [Class 40 (vii)] A short-base hyperbolic radio beacon comprises two spaced transmitters which transmit carrier waves of different frequencies, one of the carriers being modulated by a signal, the frequency of which is sub-harmonically related to the frequency difference between the carriers by an integral factor greater than two. The transmitters, Fig. 3, comprises two master oscillators transmitting on frequencies separated by a frequency difference f. The outputs from the oscillators are frequency multiplied an integral number of times (in this case 3) and then fed to the transmitting aerials through power amplifiers. The master oscillator outputs are also applied to a mixer, the output of which (of frequency f ) is used to modulate the output of transmitter B. The spectral distribution of frequencies is as shown in Fig. 4, AC representing the carrier transmitted from A, BC the carrier wave transmitted from B and BS2 the side band (assuming single side band modulation is being used). At the receiver, Fig. 5, the beat between AC and either BC or BS2 is selected by the filter F2. The beat between BS2 and BC is selected by the filter F1 and frequency multiplied by M1 to make it equal in frequency to the output of F2 with which it is compared by the phase meter PM1. The phase of the output of F1-M1 is independent of azimuth since it comprises the modulation of the carrier BC, but the phase of the output of the filter F2 is dependent on the difference between the paths from each transmitter to the receiver and hence is dependent on azimuth as described in Specification 578,479. The reading of the phase meter is consequently a measure of the direction from the transmitters to the receiver. The phase difference between the two lowfrequency signals is proportional to the carrier frequency used and so the discrimination is high, and ambiguities caused by different directions having the same phase differences (apart for a difference of 2#) occur. To overcome this a low-frequency generator, Fig. 3, provides a signal which modulates the carrier wave BC and thus produces the side-band BS3. The L.F. signal is frequency multiplied an integral number of times (in this case 5) and then used to modulate the carrier AC, thus giving rise to the side band AS. At the receiver these modulations are separated out by filters F3, F4, frequency multiplied to bring them to a common frequency and compared by the phase meter PM2. Thus a " coarse " hyperbolic grid is laid down which is used to give an approximate direction and thus remove the above-mentioned ambiguities.
Patent GB-227648-A (GB)
Title: Improvements in or relating to power excavators cranes and the like
IPC: E02F9/02
Filed: 1924-02-08
Abstract: 227,648. White, A. E., (Bucyrus Co.). Feb. 8, 1924. Steering gear and steering. - In power excavators, cranes, and the like of the kind in which the operating parts are carried on a head frame mounted on a base for horizontal rotation thereon, rotation of the head frame can be utilized to steer the machine by de-clutching the drive on either side. The base frame 10 carries a turntable 13 for the revoluble head frame 14, and is mounted on endless tracks 15 driven through clutches 21 from an axle 20. A shoe 61 on the head frame is moved by a hand-wheel 70 and shaft 67 into engagement with a ring 40, resting freely on the turntable 13 and carrying sockets 43 which receive the ends 44 of levers 45 pivoted at 46 so as to move in contrary directions on rotation of the head frame. The lower ends 48 engage links 49 controlled by springs 52, Fig. 2. and by means of levers 55, pivoted at 58, slide the collars 24 along the axis 20 to actuate the clutches 21. As the levers 45 move in contrary directions, one clutch will be disengaged when the other is engaged, according to the direction of rotation of the head frame, and provided the shoe 61 is clamped to the ring 40, so that either tractor 15 may be selectively driven for steering the machine.
Patent GB-640967-A (GB)
Title: Improvements in and relating to apparatus for use in withdrawing twisted yarn from yarn packages
IPC: B65H59/08
Filed: 1948-02-05
Abstract: 640,967. Unwinding yarn packages. COURTAULDS, Ltd., and WHOLTON, F. Feb. 5, 1948, No. 3391. [Class 120(ii)] [Also in Group VIII] Snarling of twisted (e.g. crepe) yarn during withdrawal from a yarn package 3 or 16, supported on a horizontal or slightly inclined rod 5 or 18, is prevented by a fabric 12 or 20 (preferably a warp knitted fabric) so suspended independently of the package that its surface engages and presses on part of the outer area thereof. The package (particularly when the yarn is conditioned) may be enclosed by a cylindrical casing 19, through slots 21, 22, 23 in which the fabric is passed. The Provisional Specification states that the casing is transparent and that the fabric may be hung from a bar, rotatable to adjust the length of fabric suspended. Specification 548,667 is referred to.
Patent GB-771312-A (GB)
Title: Method for improving drying or semi-drying oils
Inventor: BLEKKINGH JOHAN JACOBUS ALBERT
IPC: C09F7/08
Filed: 1954-02-05
Abstract: Drying or semi-drying oils are isomerized by heating them for a time not exceeding 40 minutes at a temperature of 160 DEG C. to 220 DEG C. in the presence of a nickel catalyst containing a proportion of sulphur not exceeding 10 per cent based on the weight of the nickel. The temperature is such that the conjugation of the double bonds is a maximum and the bodying is a minimum.  The drying oil specified is linseed oil.  The mixture is kept at the desired temperature for not less than 5 minutes and preferably between 10 and 30 minutes.  The temperature is preferably 180 DEG C.  The catalyst may be prepared as described in Specifications 645,872 and 646,919.  The amount of catalyst used may be 4 to 10 per cent by weight of nickel based on the oil to be isomerized.  The heating is preferably continuous and the mixture agitated.  The mixture may be passed downwards through a coil consisting of a heating zone, a reaction zone, and a cooling zone.
Patent GB-1329947-A (GB)
Title: Hydraulic gear pumps
IPC: F04C2/08
Filed: 1972-01-27
Abstract: 1329947 Rotary positive - displacement pumps SPERRY RAND CORP 27 Jan 1972 [30 April 1971] 3823/72 Heading F1F In an hydraulic gear-pump a cavity 12 for the gears 14 contains a C-shaped liner 24 made of resilient sheet-material such as steel and coated on its side next the gears with a material e.g. aluminium, which on contact with the gear teeth produces low friction and wears into a close fit therewith. The shape and resiliency of the liner facilitates its insertion and retention in the cavity. The gap in the liner gives access to an outlet passage 20. An inlet passage 16 has branches 18, 22, the central branch extending to an opening in the liner between depressions 28 on the inner side of the liner. The depressions are said to improve the tooth-space filling efficiency.
Patent GB-1446941-A (GB)
Title: Catering system and associated equipment
IPC: A47F10/06
Filed: 1973-01-25
Abstract: 1446941 Catering systems BATEMAN CATERING ORGANISATION Ltd 18 Jan 1974 [25 Jan 1973] 3842/73 Heading A4T A catering system comprises the steps of removal of packs 5 of individual lidded containers 3 containing pre-frozen portions of food from refrigerated storage, loading of the packs 5 on to shelves, e.g. within a heating apparatus or on a trolley (17), Fig. 2 (not shown), heating of the packs 5 for a predetermined time, removal from the shelves and, before or after heating, de-lidding to produce a collection of individual food containers 3 for location on a self-service display and storage stand 30. The containers 3 may be united by a common lid sheet 27, e.g. of polypropylene or polypropylene board, which is heat sealed or otherwise adhered to container flanges 19 at regions defined by an apertured screening sheet 21, which is interposed between the sheet 27 and containers 3. On withdrawal from storage, each pack 5 may be placed on a carrier 11, having an end-wall 15 and ridges 13 for location between rows of containers 3 and the carriers 11 are loaded on to the trolley (17) or into the heating means, which may be infrared or hot air operated. After cooking, the sheet 27 is peeled off and the carrier 11 is placed on one of a pair of shelves 33, 35 of the stand 30, which shelves 33, 35 are pivotably adjustable and the upper one of which is heated, the lower one being preferably part-heated and/or part refrigerated. A slideway 37 is provided for trays 39, which may be used by customers to remove a chosen selection of food containers 3 for consumption.
Patent GB-140173-A (GB)
Title: Improvements in or relating to two-stroke internal-combustion engines
IPC: F01P1/00
Filed: 1919-02-17
Abstract: 140,173. Dalman, C. W., and Dalman, J. H., (trading as Dalman & Sons, J. C.). Feb. 17, 1919. Pistons, cooling. - The piston of an internalcombustion engine using crank-case compression is constructed with a curved baffle b, which has a straight edge and directs the charge into contact with the head of the piston during the passage of the charge to the combustion space. A vertical partition may extend from the edge of the baffle to the bosses carrying the gudgeon.
Patent GB-114180-A (GB)
Title: Improved Method for the Utilization of Nitre Cake.
Inventor: GROSSMANN JACOB
IPC: C01B21/42
Filed: 1917-03-19
Abstract: 114,180. Grossmann, J. March 19, 1917. Nitrogen oxides and oxy-acids.-An intimate mixture of nitre-cake and sodium nitrate, both finely ground, for instance so as to pass through a sieve having 60 meshes per linear inch, is heated and the resulting gases are mixed with air, which is drawn or blown through the retort or through other ports of the apparatus. Atmospheric or reduced or increased pressure may be employed. The reaction begins at 150‹ C. and is complete at 250‹ C., and a practically quantitative yield of nitrogen oxides other than nitrous oxide is obtained. The solid mixture, containing a slight excess of acid, may be conveyed through a retort heated to less than 150‹ C. at the charging end and to about 250‹ C. at discharging end. Agitation is unnecessary. The mixture may be placed on trucks 0 previously covered with salt cake or. the like to facilitate removal of the product. The trucks may be fed singly by a screw or other pusher N from an antechamber provided with sliding doors K, M. At the other end of the furnace is a. similar chamber but with a sloping floor S to facilitate the separation of the front truck. Flues Q, R from the end chambers may be connected to separate condensers or to the main flue P. Muffle furnaces like those used for salt cake or apparatus like baking-ovens may be employed. Heating may be effected by combustion, waste gas, steam, superheated steam, or superheated water. The nitrogen oxides produced may be passed directly into a vitriol chamber, or may be mixed with steam or a water spray, and the nitric acid condensed, the residual gases being either utilized in a vitriol chamber or further oxidized and condensed. Oxidation and condensation may be done as in the Birkeland-Eyde process.
Patent GB-779332-A (GB)
Title: Improvements in or relating to manufacture of benzene hexachloride
IPC: C07C17/02
Filed: 1956-02-08
Abstract: The process for the preparation of benzene hexachloride by catalytic chlorination of benzene in a liquid phase containing benzene and acetic anhydride according to the parent Specification is carried out at a temperature between 278 DEG  K and 248 DEG  K, preferably between 273 DEG  K and 258 DEG  K while removing continuously a portion of the mass from the reaction zone, heating the portion to volatilize acetic acid and acetyl chloride (formed as by products) and to convert them into acetic anhydride and hydrogen chloride, returning the acetic anhydride to the said portion, recovering benzene hexachloride from the portion and returning the remainder to the reaction zone.  The recovery of the benzene hexachloride is suitably effected by converting it into a hot liquid stripped of solvent and stirring vigorously into water to remove residual acetic anhydride and to form the benzene hexachloride into pellets. A continuous process is described with reference to a drawing.
Patent GB-583111-A (GB)
Title: Improvements relating to apparatus and systems for the production of a flow of energised gas, for example for the propulsion of aircraft
IPC: F02K3/072
Filed: 1940-03-02
Abstract: 583,111. Gas turbines. WHITTLE, F. March 2, 1940, No. 3948. [Class 110 (iii)] A jet propulsion plant for aircraft comprising an air compressor 1, combustion chambers 5 and gas turbines 10 driving the compressor, delivers the propelling gas into an annular channel 13 leading to a jet tube 27. Surrounding the channel 13 is an annular channel taking in air at 24. The air is energized by bladings 20D, 21D on turbine wheels 20, 21 having blades 20A, 21A in the main gas stream, and joins the main gas stream at a substantially equal velocity. The wheels 20, 21 are bladed to turn in opposite directions and so that both streams leave the second wheel without whirl. The wheels and blades are provided with flanges and shroudings which form continuations of the annular walls. Specifications 456,980 and 471,368, [both in Group XXXIII], are referred to.
Patent GB-575648-A (GB)
Title: Improvements in spline and internally slotted ring gauges
IPC: G01B3/34
Filed: 1944-03-04
Abstract: 575,648. Linear - dimension gauges. C. & G. GAUGES, Ltd., GRAVES, A., and CLARK, H. March 4, 1944, No. 4057. [Class 106 (ii)] A spline or internally-slotted ring gauge comprises two or more segments a, a<1> whose inner peripheries are ground to fine limits to constitute the gauging means, the outer peripheries having a driving fit in a ring-like holder b. In one embodiment, Fig. 1, two semicircular segments a, a<1> are coupled by means of keys c and then driven into a ring or holder b. To facilitate grinding before assembly, the segments are aligned in end abutment and the grinding performed as a single operation. In another embodiment, Fig. 4, shoulders d<2> are formed upon the segments d and the latter are secured in the holder b by annular rings e or e<1>.
Patent GB-1384193-A (GB)
Title: Coupling elements for use in pipe coupling assemblies
IPC: F16L37/00
Filed: 1973-01-26
Abstract: 1384193 Pipe couplings HANSEN MFG CO 26 Jan 1973 [26 Jan 1972] 4097/73 Heading F2G On inserting a plug 62 into a socket 46, a stem valve 26, having a flow passage 28, is opened (Fig. 3) to allow the air pressure in chamber 124 to rise. When the pressure differential between the sides of valve member 84 has reduced sufficiently for compression spring 38 to be able to open it, it remains open until a malfunction or rupture of the downstream air line 42 produces an excessive flow of air which re-creates a pressure differential greater than the force of spring 38. The supply of fluid is thus cut off by closure of valve member 84, which re-opens automatically, when the defect has been repaired. A non-return valve 116 closes, on disconnecting the coupling and has a bleed to allow gradual pressure reduction in line 42. In another form a central conduit (204, Fig. 6, not shown) is provided for lubricant.
Patent GB-100424-A (GB)
Title: Improvements in Safety Pin Hangers.
Inventor: CLARK MAUD MEVINA
IPC: A44B9/14
Filed: 1916-03-20
Abstract: 100,424. Clark, M. M. March 20, 1916. Safety-pin suspenders.-An ordinary safety-pin d is combined with a metal attachment having a loop m, m<1> for placing over a hat peg &c., a stem l, arms j, k, and either eyes h, i, Fig. 1, or a tubular part h<1>, i Fig. 5. A hook n<1> or n<2>, Fig. 7, may be arranged as shown. The attachment may be made of wire as shown, or of sheet metal suitably stamped and bent. The plane of the loop m and the position of the hook may be readily altered by the user.
Patent GB-195822-A (GB)
Title: Improvements in portable stools
IPC: F41A23/12
Filed: 1922-02-13
Abstract: 195,822. Hardy Bros. (Alnwick), Ltd., and Hardy, L. R. Feb. 13, 1922. Tripod stands.-A portable stool or seat comprises a crown c to which legs d are pivoted, a vertically adjustable seat pillar b and a seat, consisting of two hinged flaps a, and capable of rotation on the pillar b. A nut f on the crown c may be screwed down to engage flats on the pivoted end of the legs, to hold them in extended position.
Patent GB-537562-A (GB)
Title: Improvements in or connected with inflator nozzles
Filed: 1940-03-06
Abstract: 537,562. Inflating valves. PURSER, Ltd., G. & W., and HUGHES, A. L. March 6, 1940, No. 4182. [Class 135] An inflating-valve for life-saving jackets air cushions &c. is fitted with a locking device whereby it may be secured in the closed position as shown in Fig. 1 a spring-loaded, liftvalve member 7 fitted with a washer 8 cooperates with a seat 9a on a flanged ferrule screwed into a casing 5 formed with a closed inner end provided with outlet apertures 5a. The valve spindle is formed integrally with a mouthpiece 10 and is held against rotation by a squared part 6a slidably engaging a corresponding hole in the closed end of the casing. A lock-nut 13 has a threaded engagement with a flange on the mouthpiece and is adapted to be moved into engagement with the flange on the ferrule to secure the valve in its closed position.
Patent GB-215320-A (GB)
Title: Improvements in the method of manufacturing thin sheets of gelatine
IPC: B29C41/28
Filed: 1924-02-18
Abstract: 215,320. Nelson, Dale, & Co., Ltd., G., (Assignees of McQuitty, R. A.). May 3,1923, [Convention date]. Coating materials in long lengths.-Apparatus for the manufacture of thin sheets of gelatine comprises an endless web 1 of flexible material which is arranged to travel vertically from the coating apparatus 4, and then horizontally over a surface, flat or as shown curved, at which point a draught of air is created, as by a pump 9 and hood 8, in order to dry the coating. By driving the roller 2 and mounting the roller 5 in slots, the horizontal and vertical runs of the foundation are maintained under tension. In the coating apparatus shown in Fig. 1 the level of the liquid is adjusted by a float 13. An alternative coating apparatus is shown in Fig. 2, in which the liquid gelatine gathered up by a rotating roller 11 forms a pool 12 against the foundation, and in this instance, contact of the latter with a solid surface is obviated. Specifications 15465/14, and 138,194, [Class 2 (ii), Cellulose &c.], are referred to.
Patent GB-311360-A (GB)
Title: Improvements in and relating to sheet-slitting devices for printing machines
IPC: B41F13/58
Filed: 1928-02-10
Abstract: 311,360. Linotype & Machinery, Ltd., and Jakeman, J. W. Feb. 10, 1928. Cutting-apparatus ; delivery apparatus. - In a sheet-slitting device for a printing-machine in which the sheets are delivered by grippers on a shaft 27 co-operating with a gripper pad shaft 28 carried by chains 25 traversed by sprockets 26, the sheets are cut while the grippers pass over the sprocket wheels by means of a slitting-disc 2 co-operating with a grooved disc 1 mounted on the sprocket shaft 3. To permit of the passage of the shafts 27, 28 around the sprockets, the disc 1 is cut away to form a gap 1<a>, and this gap is adapted to be closed when it comes opposite to the cutting disc, by a plate 5 formed with a groove continuous with the groove of the 1. The plate 5 is mounted on a pivoted member 5<a> carried by a sleeve 7, which is oscillated by sector gears 15, 16 and a lever 17 oscillated by a fixed cam 22 engaging a roller 20 on the lever. As the pivoted member 5a moves circumferentially in a clockwise direction, it is also moved axially against the action of a spring 10 by an inclined cam 14, so that the gap is opened for the shafts 27, 28 to enter. The plate 5 is returned prior to the grippers reaching the slitting-disc 2.