baber/WOPTO huggingface dataset:
Patent GB-832329-A (GB)
Title: Improvements in means for regulating the individual drives of roll housings in a continuous rolling-mill train
IPC: B21B31/02
Filed: 1958-08-28
Abstract: 832,329. Rolling. SCHLOEMANN A.G. Aug. 28, 1958 [Sept. 13, 1957], No. 27606/58. Class 83 (4). In a continuous mill the drive of the rolls in a displaceable housing is varied by the movement of that housing initiated by the forces in the material being rolled and assisted by the action of abutting hydraulically - operated pistons. A fixed housing 1 is followed by the displaceable housing 6 which has feet 9 slidably supported on balls upon a base-plate 10. Lateral lugs 10a, 10b limit the displacement of the housing 6 and support cylinders 11, 13 with pistons 12, 14 respectively. One of the feet 9 is connected to a mandrel 15 projecting through a slot in the base-plate. Initially the housing 6 is at its maximum distance from the housing 1 and the mandrel 15 engages an electric contact 18 which after the insertion of the material to be rolled in the housing 6 receives current and actuates valves not shown in pipes 20, 19 which connect the cylinders to an oil supply and exhaust respectively. The peripheral speed of the rolls 7, 8 is slightly faster initially than that of the material between the housings and the tensile force set up in the material moves the housing 6 towards the housing 1 assisted by the pressurized piston 14. When the mandrel actuates an electric contact 17 the speed of the rolls is reduced to less than that of the material and the cycle of operations is repeated in the opposite direction.
Patent GB-759814-A (GB)
Title: Polymethine dyes and processes for preparing them
IPC: C07C53/128
Filed: 1954-09-24
Abstract: Trinuclear polymethine dyes are prepared by reacting a merocyanine dye of the general formula:- <FORM:0759814/IV(c)/1> or of the general formula:- <FORM:0759814/IV(c)/2> wherein R represents a substituted or unsubstituted alkyl group, or an alkyl or aralkyl group R2 and R3 represent substituted or unsubstituted alkyl groups or allyl or aryl groups, R4 is an alkyl group, L is a substituted or unsubstituted methine group, X is an anion, n is O or 1 d is 1 or 2 and Z completes a heterocyclic nucleus, with a compound of the general formula:- <FORM:0759814/IV(c)/3> wherein R1 is an alkyl, aralkyl or aryl group and Q completes a Z-thio-thiazolid-4-one, a Z-alkylthio-thiazol-5-one or a 2-aralkylthio-thiazol-5-one nucleus.  R may be methyl, ethyl, n-propyl, carbethoxeymethyl or benzyl, R1 may be ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, n-amyl, n-hexyl, n-heptyl, n-octyl, n-lauryl, benzyl, phenyl or tolyl R2 and R3 may be methyl, ethyl, n-propyl, carboxymethyl, carbomethoxymethyl, carbethoxymethyl, phenyl, or tolyl and L may be -CR1= wherein R1 is methyl, ethyl, methoxy, ethoxy, methylthio, ethylthio, phenylthio, p-tolylthio, phenyl or p-tolyl.  A list of nuclei which Z may complete is given including nuclei of the thionaphtheno-71:61: 4:5-thiazole, 1-iso-quinoline, benzimidasole and 3:3-dialkylindolenine series.  In the examples, Q completes a 3-carbethoxymethyl - 4-keto-2-thio-thiazolidin-5-ylidene or a 2-ethylthio-, or 2-benzylthio-5-ketothiazolin-4-ylidene nucleus. The dyes produced may be quaternized with an alkyl salt and the product condensed with a further quantity of a compound of Formula III above or with a compound containing a reactive methylene group such as a compound of the formula <FORM:0759814/IV(c)/4> wherein Q1 completes heterocyclic nucleus (such as thiazolone, oxazolone, imidazolone, thionapthenone, pyrazolone, oxindole or a 2:4:6-triketokexahydropyrimidine nucleus) to give a tetranuclear dye.  The preparation in this manner of the following dyes is described:- <FORM:0759814/IV(c)/5> and <FORM:0759814/IV(c)/6>  The preparation of the dye of the formula:- <FORM:0759814/IV(c)/7> is described, in which 3-carbethoxymethyl-5- (11-ethylthio-ethylidine) -2-thio-thiazolid-4-one is condensed with 2-ethylthio benzthiazole etho-p-toluene suphonate in ethanol in the presence of triethylamine.  Specifications 489,335, 519,895, 603,492, 700,734, 742,206, 756,208, 759,810 [Group IV(b)] and U.S.A. Specifications 2,454,629 and 2,656,353 are referred to.
Patent GB-1480544-A (GB)
Title: Band pass filter circuit
IPC: H03L7/107
Filed: 1975-07-01
Abstract: 1480544 Automatic control of active filters FUJITSU Ltd 1 July 1975 [8 July 1974] 27644/75 Headings H3A and H3U A circuit comprises: a bandpass filter 15; a first phase detector 20 which detects the phase difference between an input and output signal of the filter; a low pass filter 21 which receives an output from the phase detector; a voltage controlled oscillator 14 which is controlled by the output from the low pass filter; mixers 13, 18 respectively connected to the input and output of the filter and which receive the output from the voltage controlled oscillator so that the input signal is pulled to the centre frequency of the filter; and means 22 ... 26 providing a control signal to reduce the bandwidths of both filters when the input signal is pulled into the centre frequency. As described this control signal is produced by comparing the output of the filter 15 with the input shifted by 90 degrees in a further phase detector 23, and feeding the output to a threshold circuit 25 to produce a two-level control signal which switches the bandwidths of the filters. In the low pass filter, Fig. 7 (not shown), the two level signal operates a semi-conductor switch (SW2) to switch a resistor (R90) into or out of the time constant circuit. In the bandpass filter, Fig. 8 (not shown), the two level signal changes the bias on a varactor diode (DC2). In order to maintain the centre frequency constant when the bandwidth is changed a second diode (DC3) is included in the bandpass filter and is switched by a second two level signal complementary to the first.
Patent GB-455458-A (GB)
Title: Mechanical winch for dragging fishing nets from the water
IPC: B63B21/16
Filed: 1935-10-08
Abstract: 455,458. Pulleys. DELUCHI, J., 15, MontÚe des Accoules, Marseilles, France. Oct. 8, 1935, No. 27738 Convention date, Oct. 9, 1934 [Class 80 (i)] [See alsc Group XXX] A winch sheave 48 is built up of two truncated conica cheeks arranged with their small bases in contact. Eacl cheek has bosses 49 regularly disposed and facing each other but arranged in staggered re lation so that each boss enters between two bosses on the other cheek.
Patent GB-1395239-A (GB)
Title: Inductor-less telephone line holding circuit giving high ac shunt impedances
IPC: H04M3/58
Filed: 1972-06-15
Abstract: 1395239 Telephone apparatus; active impedances GENERAL DATA COMM INDUSTRIES Inc 15 June 1972 [15 Nov 1971] 27937/72 Headings H4K H3R and H3U A low D.C., high A.C. impedance circuit for holding a telephone line loop comprises a unity gain operational amplifier 225 having a CR phase shifting network 255, 251, 261 connected across its input and incorporating a low D.C. resistance path between its output terminal and one of its power supply terminals. Particular integrated circuit chip amplifiers meeting the latter criterion are quoted in the Specification. The amplifier and phase shifter are equivalent to a conventional inductor connected in series with resistor 222 across the line loop. Power for the circuit is derived from the line via rectifier bridge 211, 214 which compensates for polarity reversals. D.C. is kept out of the speech circuits by means of an isolating capacitor 31.
Patent GB-1079691-A (GB)
Title: Improvements in or relating to flail mowers
Inventor: SIMS MAURICE ROY
IPC: A01D67/00
Filed: 1965-07-02
Abstract: The invention relates to a flail-mower of the kind having a frame (10) supported on two transversely-spaced co-axial wheels (15) and carrying a flail-rotor (16) rotary about a horizontal axis in front of that of the wheels by power derived from a towing tractor, the frame having both a hitch (17) and the drive-connection (18) to the tractor on one side so that the mower is offset relatively to the tractor, and is characterized in that the rear of the frame includes a transverse torque-tube 19 which is rigidly connected on the drawbar-side with a lateral beam (12) and is pivotally connected on the other side with an arm (22) secured to the corresponding lateral beam (13), interengaging abutments (26, 25) being provided respectively on the arm and on a plate (20) secured to the torque-tube and being mutually adjustable to apply torque-reaction to the far-side of the frame to resist the downward movement of the unsupported front part of this side relatively to the drawbar-side. The abutments comprise a lug (25), on the plate (20) secured to the torque-tube, against which a set-screw (26), threaded through an adjacent lug (24) on the arm (22), presses.
Patent GB-171856-A (GB)
Title: Cabinet bedsteads combined with other articles of furniture
IPC: A47C19/22
Filed: 1920-10-04
Abstract: 171,856. Sprake, G. Oct. 4, 1920. Cabinet bedsteads; bedsteads combined with wardrobes and washstands.-In a combined article of furniture comprising a cabinet bedstead, a wardrobe, and a washstand or toilet cabinet, a self-contained compartment 10 is fitted up as a washstand or toilet cabinet, a second compartment 9 as a wardrobe, and another separate compartment 5 is adapted to contain a cabinet bedstead 7. Fittings such as hooks 16, shelves 21, 22, 23, a mirror 24, and towel-rail 25 may be provided, and when the bedstead is of less width than the whole article of furniture, a boot cupboard 27 may be formed at the back.
Patent GB-803747-A (GB)
Title: Improvements in apparatus and process for carrying out reactions which proceed endothermically in fluidised layers
IPC: C07C5/41
Filed: 1956-09-14
Abstract: Heat is supplied to endothermic reactions carried out in the presence of a fluidized bed of solids, e.g. catalyst, by means of a combustion chamber immersed in the fluidized bed, a gas being burnt in the combustion chamber in the interior of an air stream. As shown, fuel gas is introduced through pipe G into a stream of air from pipe L and burns in combustion chamber R, heating fluidized bed K; heat-conducting <PICT:0803747/III/1> plates W may be provided.  The fuel gas may be hydrogen, producer gas, water gas, illuminating gas, or natural gas.  Reactions which may be carried out include the dehydrogenation, isomerization, and cracking of hydrocarbons (see Group IV (b)). Specification 644,013 is referred to.ALSO:Heat is supplied to endothermic hydrocarbon reactions carried out in the presence of a fluidized bed of solids, e.g. catalyst, by means of a combustion chamber immersed in the fluidized bed, a gas being burnt in the combustion chamber in the interior of an air stream (see Group III).  Reactions which may be carried out include the dehydrogenation of cycloalkyl hydrocarbons to unsaturated compounds, aromatics, or terpenes in the presence of supported platinum metal or mixed oxide catalysts, butane or butene to butadiene, ethylbenzene to styrene, and methylbutene to isoprene.  Isomerization of n-butene or n-butane, and cracking of di-isobutene, 1,1-dixylyl ethane, and 1,1-ditolyl ethane, may take place in the presence of alumina containing chlorine, or of aluminium silicate or magnesium silicate.  In an example, dipentene is dehydrogenated to p-cymene using a chromic oxide-alumina catalyst.  Specification 644,013, [Group III], is referred to.
Patent GB-892498-A (GB)
Title: Method of assembling flanges on a hub of wood or similarly yielding material
IPC: B65H75/12
Filed: 1959-08-18
Abstract: 892,498. Bobbins. McGREGOR & BALFOUR Ltd., and McGREGOR, D. D. Aug. 17, 1960 [Aug. 18, 1959], No. 28187/59. Class 120(3) [Also in Group XXXII] A method of assembling a flange 15 on a hub 10 of wood or like yieldable material comprises counterboring at 11 one end of the hub 10, which end has an outer contour in the form of a truncated double-ended cone 12 merging with a shoulder 13; forcing said end through the narrowest portion 16 of a tapered hole 14 until the flange 15 abuts the shoulder 13 and a portion 19 of the cone 12 projects from the flange; inserting a tapered plug 18 into the counterbore 11 to cause the end to expand to lock with the flange 15; and severing the portion 19 and the projecting part of the hub 10 so that the ends of the hub and plug are flush with the outer surface of the flange. The method applies particularly to assembling a flange on the barrel of a bobbin. Before assembly glue is applied to the part of the flange 15 surrounding the hole 14 and to the cone 12 and serves as a lubricant during the passage of the oversize cone 12 through the hole 14.
Patent GB-163063-A (GB)
Title: Improved means for use in discharging coal and other trucks
IPC: B65G67/00
Filed: 1919-11-13
Abstract: 163,063. Sargeant, E. F. Nov. 13, 1919. Staiths and elevated structures; tipping apparatus. - Trucks or wagons are discharged positively by moving pushers or scrapers disposed on the wagon lift. The appliance comprises a pusher d mounted on an end-tipping frame, and having a rearwardly depending scraper or hoe e supported by chains. The pusher is pivoted to a sliding member c which is moved along the incliued frame member by hydraulic or other means. When the truck :is tipped into the position shown in Fig. 2, the pusher is swung back by hand from its normal vertical position into engagement with the rear wall of the truck asshown. Further tipping of the truck then moves the pusher down to the bottom of the truck in contact with the rear wall. At the same time the hoe is folded up automatically to lie flat against the pusher. The sliding member c then is actuated to push the material from the truck, and during the operation the hoe falls down and' follows the pusher, thus scraping off all residual material adhering to the walls. The final clearance of the material is effected by the pusher swinging back to its vertical position from near the end of the truck.
Patent GB-932190-A (GB)
Title: Improvements in or relating to ground run predictors for aircraft take-off or landing
Inventor: RUSH DEREK ANTHONY
IPC: G05D1/00
Filed: 1958-09-02
Abstract: 932,190. Electric analogue calculating. S. SMITH & SONS (ENGLAND) Ltd. Dec. 1, 1959 [Sept. 2, 1958], No. 28202/58. Class 37. In a device for computing the critical runway travel Sc after which the pilot of an aircraft is committed to take off, a voltage representing the aircraft acceleration V energizes a resistance potentiometer 13 adjustable by a differential gear 35 driven from control knobs 16, 17 adjustable in accordance with wind speed Vw opposing the movement of the aircraft along the runway, and critical take-off velocity Vgc, to produce a voltage representing V(A + BVgc + CVw), where A, B, C are constants. This energizes an inverse potentiometer 14 adjustable from knob 17 to energize a potentiometer 15 adjustable by a differential gear 18 driven from knob 17 and an input rotation representing aircraft instantaneous velocity Vg to produce voltage subtractively combined at 19 with the acceleration voltage to a voltage representing to energize potentiometer 20. Cascaded linear potentiometers 23, 24 and 25, 26 are energized from constant voltage sources and respectively adjusted from knob 17 and velocity input rotation 11 to produce voltages subtractively combined at 27 to represent (Vg<SP>2</SP> - Vgc<SP>2</SP>) which is subtractively combined at 28 with the output of potentiometer 20 to a difference voltage operating a servo system 22 driving a differential gear 21 together with an input rotation representing the distances travelled by the aircraft along the runway. The differential output adjusts potentiometer 20 to zeroise the servo system input at an output rotational displacement representing the distance of travel Svc at which critical velocity Vgc is reached, given by and the rotational Svc and Sc drive a differential 30 to operate an indicator 29 comparing the difference between critical distance Sc and the distance Svc at which critical take-off velocity will be attained. The rotating representing Vg and S and the voltage representing acceleration V may be obtained from an aircraft wheel take-off, and a distance indicator S may be provided. The apparatus is stated to be modifiable to solve the general equation with any suitable function of Vg, Vgc, Vw on the L.H.S., and to be operable to predict the, distance from touchdown at which a landing aircraft will reach zero ground speed or a selected taxi speed, represented by Vgc; the control distance SC representing the available runway length.
Patent GB-1406600-A (GB)
Title: Aluminium/lead alloys
IPC: C22C21/00
Filed: 1971-06-16
Abstract: 1406600 Aluminium-base alloys GLACIER METAL CO Ltd 13 Sept 1972 [16 June 1971] 28221/71 Heading C7A An alloy which is particularly suited for use as a bearing lining comprises, by wt:- 10 to 15% lead 0.01 to 0.5% each of one or more of lithium, magnesium, barium, caesium, potassium or sodium and optionally up to 1% copper up to 1% tin the balance being aluminium and impurities such as silicon. In an alternative embodiment, the barium content may be 0.8 to 4.0%. The alloys are roll bonded to steel backings, the presence of the element, of Groups IA and IIA assisting spheroidization of the lead at temperatures below 600‹C Reference has been directed by the Comptroller to Specification 1261912.
Patent GB-718243-A (GB)
Title: Improvements in or relating to optical lens grinding
IPC: B24B13/005
Filed: 1952-11-10
Abstract: 718,243. Preparing lenses for grinding. LUCKER, B. F., and MORRIS, H. A. Nov. 10, 1952, [Nov. 9, 1951.] No. 28227/52. Class 60. A device for facilitating blocking of a lens to a holder 15, Fig. 5, prior to grinding includes means for holding the stem 6 of the holder and four stops 11<SP>1</SP>, Fig. 1, to engage the underside of the lens and locate it in relation to the holder, the stops being equally spaced on the circumference of a circle co-axial with the holder. The means for holding the stem consists of a clamp 4 of brass or the like, which is operated by a screw 9 controlling the width of a radial slot 7 formed opposite to a weakening hole 8. The clamp 4 is secured in a recess 2, Fig. 3, in a plastic block 1 by screws and supports the pins 11<SP>1</SP>. Two semiannular plates 12 of plastic or similar material are applied over the pins and secured to the clamp by screws 13. The back face 15<SP>1</SP> of the holder rests on the plates 12, the upper face of which is square with the hole in the clamp and parallel to the lower face of the block 1. The upper face of the holder 15 may be convex or concave with one or more concentric grooves or ribs 15<SP>11 </SP>for improving the bond with a layer of pitch by means of which the lens is secured to the holder. The lens is pressed down on to the pitch so that the cross lines customarily marked thereon are in alignment with the joint between the plates 12 and a line 14. Fig. 9 shows a second embodiment in which the stem. of the holder is gripped by a split tubular chuck 17 tightened .by a nut 19. The upper face,of the chuck lies below the surface of an annular member 161 which forms a seat for the back face 15<SP>1</SP> of the holder. The device may be used to block bi-focal lenses by aligning the optical centre of the distance field with the markings on the annular face 12 or 16'. When treating cylindrical lenses, the holder 15 with the lens secured to it is transferred to a clamp similar to the clamp 4 and provided with two. aligned rods to serve as manipulating handles.
Patent GB-333775-A (GB)
Title: Improvement relating to potato and like peelers
IPC: A47J17/02
Filed: 1929-09-18
Abstract: 333,775. Collingwood & Son, Ltd., R. E., and Dent, H. E. R. Sept. 18, 1929. Peeling and removing eyes and cores from vegetables and the like. - A tool for dressing potatoes and the like is reversably mounted on a handle, so that in one position it may be used for peeling and eyeing and, in the revened position, for coring. The tool is formed from a metal blank, preferably of stainless steel, the parts 2, 3 being bent over to form springy clips to grip the handle 8. The end projecting beyond the clip 2. is pressed into a trough shape and has a knife edge 6 struck up for peeling, whilst the tip 5 is shaped for eyeing. The clip 3 is sharpened and forms a cover. As shown, the sharpened edge is accommodated in a groove in the head 9 of the handle 8, but when the tool is reversed, the eyeing point 5 is received in the groove.
Patent GB-951295-A (GB)
Title: Improvements in or relating to strapping machines
IPC: B65B13/02
Filed: 1962-07-24
Abstract: 951,295. Bundling-machines. H. BRENNEISEN. July 24, 1962 [July 25, 1961], No. 28461/62. Heading B8C. In a package binding machine in which the wire or band is fed through a fixed guide track, the wire &c. is driven at a lower speed as it approaches the end of its travel to prevent jamming in the track due to sudden stoppage. Two driving motors 22, 23 are provided connected alternatively to the feed rolls 8 by clutches. The wire, driven initially at the higher speed, contacts a switch operator 14 causing the lower speed motor to take over. Finally it operates a switch 7 to stop the drive and commence tensioning and twisting. The machine is started by the package contacting a switch (not shown).
Patent GB-1070166-A (GB)
Title: Control of deflection in rolling mills and other mechanical devices
IPC: B21B13/14
Filed: 1964-07-10
Abstract: 1,070,166. Rolling. T. SENDZIMIR. July 10, 1964 [July 10, 1963], No. 28527/64. Heading B3M. An arrangement for resisting separating forces, such as those involved in a rolling mill, includes a pair of rigid backing structures, each of which is backed by a parallel structure of lesser rigidity, at least one pressure element beng positioned between each backing structure and parallel structure to oppose the separating forces. A housing 1, having integral beams 2-5 defining an aperture 6 in which, for example, a workpiece can be rolled, is deflectable under a rolling load and is backed by further structures 9 and 10 in the form of beams. The beams carry hydraulic cylinders 13, 13a- 13e, 14 and 14a-14e which act to oppose the outward deflection of the structure 1 during rolling. The cylinders are manually or automatically controlled in response to the outputs of pressure gauges 22 and 23 which are situated between bores 16 and 17 in the structure 1 and rods 19 and 20. In a further embodiment, beams (82) and (83), Fig. 3 (not shown), are attached to the upper and lower portions of the framework, either fluid pressure or screws being used to urge the beams and framework away from one another.
Patent GB-1469780-A (GB)
Title: Self-propelled gantry vehicles
IPC: B66C9/00
Filed: 1974-06-27
Abstract: 1469780 Gantry vehicles CKD PRAHA 27 June 1974 28584/74 Heading B7H A self-propelled gantry vehicle, e.g. a crane has a front wheel unit 31 and a rear wheel unit 32 on each side of the vehicle, each unit having a wheel (as illustrated each unit has two wheels), an engine 20 situated on one side of the vehicle for driving only the wheels of the front and rear wheel units on that side of the vehicle and a steering mechanism (part being shown at 41) for controlling the front and rear wheel units. Each wheel unit includes a respective vertical shaft, the unit being pivotable about the axis of the shaft, and the steering mechanism is such that the front wheel unit on each side of the vehicle is pivotable in the opposite direction to the rear wheel unit on the same side of the vehicle. Each wheel unit on the one side of the vehicle has associated therewith a respective vertical drive shaft 35 or 36 whose axis is coincident with the axis of the vertical pivot shaft of that wheel unit, the drive shaft being coupled with the wheel (or wheels) of that unit, and both said drive shafts being rotated in the same direction during travel of the vehicle.