baber/WOPTO huggingface dataset:
Patent GB-471789-A (GB)
Title: Improvements in and relating to springing arrangements for vehicles
IPC: B60G11/24
Filed: 1937-03-16
Abstract: 471,789. Vehicle spring-suspensions ; rubber springs. AUTO UNION AKT.-GES. March 16, 1937, Nos. 7732 and 7733. Convention dates, March 16, 1936 and Sept. 7, 1936. Addition to 456,330. [Classes 108 (ii) and 108 (iii)] The vehicle wheel-suspensions described in the parent Specification are modified so that the adhering plates of the rubber spring are connected to and carried by links which include the guiding link or links of the wheel. Fig. 3 shows an arrangement of wheel carried by a longitudinal link 9 to which the adhering plate 4 of the rubber spring 2 is secured by bolts 5. The other adhering plate 3 is integral with or is secured to a spring link 25 pivoted to the frame bracket 11 at 10<1>, the link 9 being also pivoted to the same bracket at 10. Fig. 5 shows a half-axle 9, the inner forked end of which is pivoted to the frame at 10 while a spring link 25 is pivoted at 10 and may be integral with the adhering plate 3. The other plate 4 is adjustably connected to the half axle 9 by a pressure screw 13 to determine the initial inclination of the half axle 9. Fig. 8 shows a pair of parallel links 9, 9<1> pivoted to the frame at 10, 10<1> . and having oppositely disposed extensions 8, 8<1> to which the adhering plates 3, 4 are secured. These plates 3, 4 have resilient extensions 14a, 14a<1> to form stops to limit excessive motion of the wheel.
Patent GB-374518-A (GB)
Title: Improvements in bourdon tubes for pressure gauges, liquid expansion thermometers andother instruments
IPC: G01L7/04
Filed: 1931-03-13
Abstract: 374,518. Metal tubes. NEGRETTI, H. N., NEGRETTI, P. E., ZAMBRA, M. W., and IBBOTT, H. W., 38, Holborn Viaduct, London. March 13, 1931, No. 7812. [Class 99 (ii).] In making Bourdon tubes, the walls 1, 2 which are flattened on themselves so as to leave a shallow internal gap 3, are reduced in thickness at the parts A . . D by recessing the outer surface. A small internal capacity is thus secured without liability of the tube splitting at the edges 4, 5 of the gap.
Patent GB-1440694-A (GB)
Title: Method and apparatus for producing metal
IPC: C25C3/20
Filed: 1974-02-21
Abstract: 1440694 Process control in electrolytic AC production NATIONAL-SOUTHWIRE ALUMINUM CO 21 Feb 1974 [21 Feb 1973]  7915/74 Heading C7B [Also in Division G3]  Aluminium is produced from its oxide using an electrolytic reduction cell in which the process is controlled in accordance with measurements of low frequency variations in the resistance of the cell. In the described embodiment, during the electrolysis of alumina dissolved in cryolite, the voltage and current across the bath are periodically measured and divided to form a digital signal representing the bath resistance. The signal is separated by digital filters into components representing the D.C. resistance which varies slowly with time, and a noise component which oscillates at a low frequency. Each component is compared with pre-set threshold values, and control signals are produced if the measured values fall outside the threshold limits. The apparatus includes four separate control circuits, the outputs of which are connected through logic elements and memory circuits to mechanical devices for breaking the crust on the bath, feeding in alumina, and raising or lowering the anode of the cell. A first circuit instigates normal crust breaking and feeding at predetermined times. A second circuit responds to a measured D.C. resistance outside limits by causing incremental anode movement until the error condition is removed. A third circuit corrects the anode effect due to cell starvation by responding to a cell voltage exceeding a Zener breakdown voltage and producing crust breaking, anode lowering and alumina feeding. The fourth circuit is actuated if the noise component of bath resistance exceeds a given level for more than a predetermined time, causing the anode to be raised and then subsequently lowered back to its original position. This circuit also resets the threshold values for the D.C. bath resistance measurements.
Patent GB-503278-A (GB)
Title: Improvements in or relating to aerial systems
IPC: H01Q21/20
Filed: 1938-03-15
Abstract: 503,278. Aerials. CORK, E. C., and PAWSEY, J. L. March 15, 1938, No. 7946. [Clase 40 (v)] The spaced, vertically-arranged members of a short-wave mast-structure are interconnected by aerial elements which serve to radiate a substantially-uniform field, horizontally, and are energized by feed-lines incorporated in the structure. The radiators AB, BC, CD and DA are shown in plan in Fig. 1A, whilst Fig. 6 indicates the position of the vertical supports P1 ... P4 of the mast-structure, together with the feed-lines such as 20, 23 and their insulating blocks such as 27. Fig. 5 shows a part of the assembled structure in perspective. Radiation takes place from the zigzag aerial elements 10, 11, 12 which are fed at each corner by balanced lines 20 ... 23, and supported at their centres by vertical struts P1 ... P4. Since the centres of the dipoles are at zero high-frequency, the E.M.Fs. induced in the vertical struts will cancel out for an even number of radiators. The insulating blocks, such as 26, 27, are made mechanically robust, so as to add to the strength of the structure, which may also be provided with horizontal struts across the points P1, P3 and P2, P4 in Fig. 6. The top of the aerial array may be made reflectionless, and it may be fed from the bottom so as to carry a travelling -instead of a stationary wave-system. Specification 487,708 is referred to.
Patent GB-1179332-A (GB)
Title: Laminate
IPC: C08F285/00
Filed: 1967-02-20
Abstract: 1,179,332. Laminates. ROHM & HAAS CO. 20 Feb., 1967 [7 April, 1966], No. 7993/67. Heading B5N. A laminate comprises a substrate of plastics material e.g. in the form of a sheet having laminated on at least one surface thereof an opaque film of a pigmented, filled or dyed, multi-stage, heterogeneous, sequentially polymerized copolymer containing at least four separately polymerized stages, the copolymer comprising (a) 10-75% by weight of a firststage rubbery, cross-linked polymer containing at least 80% by weight of C 2 -C 8  alkyl acrylate units, the rubbery copolymer having a glass transition temperature not exceeding - 20 C.; and (b) 90-25% by weight of subsequent stage non-crosslinked polymers containing gradually diminishing amounts of C 2 -C 8  alkyl acrylate units and gradually increasing amounts of C 1 -C 4  alkyl methacrylate units, the subsequent stage polymers containing at least 80% by weight of C 1 -C 4  alkyl methacrylate and (when present) C 2 -C 8  alkyl acrylate units and the last stage polymer having a glass transition temperature of at least 60 C., the opaque film having, laminated on its free surface, a film of a thermoplastic acrylic polymer having a glass transition temperature of 20 to 80 C. The plastics material preferably comprises a copolymer of vinyl chloride and vinyl acetate but may comprise homopolymers of vinyl chloride, an ABS polymer, polystyrene, nylon, polycarbonate or a blend of ABS and PVC. The thickness of the opaque film is from 1-10 mils. and it may contain from 12-20% by weight of pigment, filler or dye. The thermoplastic acrylic polymer is a homo-polymer of a C 2 -C 4  alkyl ester of methacrylic acid or a copolymer of a C 1 -C 4  alkyl ester of methacrylic acid with a C 1 -C 8  alkyl acrylate. The film of thermoplastic acrylic polymer is from 0À5-5 mils thick and contains an absorber of ultraviolet light, e.g. 2,4-dihydroxy-benzophenones, benzotriazole and 4 - dodecyloxy - 2 - hydroxy - benzophenone, and may be transparent. The opaque film may be formed by calendering, extrusion casting, or extrusion-blowing techniques, or by compression moulding. Lamination is effected by application of heat and pressure. A quantitative example is given.
Patent GB-829624-A (GB)
Title: Improvements relating to devices for fastening railway rails to sleepers
Inventor: IRVING JAMES
IPC: E01B9/30
Filed: 1955-03-07
Abstract: 829,624. Fastening railway rails. BAYLISS, JONES & BAYLISS Ltd. March 7, 1956 [March 7, 1955], No. 8071/56. Drawings to Specification. Divided out of 829,623. Class 104 (2). The subject-matter of this Specification is identical with that described in Specification 829,623, but the claims cover the features of the clip being of such a width and the hole for the holding down element being so positioned that when the clip is moved angularly from the railengaging position it will not overlap the rail foot. Rows of such clips arranged on both sides of the rail provide a reception channel for a replacement rail thus facilitating its correct gauging with its companion rail. The claims also include the feature of the edges of the recess in the lower member being of arcuate form to facilitate the angular movement of the clip. Specification 829,625 also is referred to.
Patent GB-980516-A (GB)
Title: Polyacetal stabilisation process
Inventor: WARREN CHARLES KENNETH
IPC: C08G2/00
Filed: 1962-03-02
Abstract: A polymer of an aldehyde containing at least two carbon atoms and in which at least one hydrogen atom is attached to the carbon atom attached to the carbonyl group is esterified by reaction with the anhydride of a carboxylic acid in liquid form in the presence of an organic base and in the substantial absence of a solvent and is then isolated and heated to at least 100 DEG  C. for at least one hour. Specified monomers are those of acetaldehyde, propionaldehyde, n- and iso-butyraldehyde, n- and isovaleraldehyde, n - caproaldehyde, n - heptaldehyde and their mixtures.  Specified anhydrides are those from acetic, phenyl acetic, propionic, butyric, valeric, caproic, caprylic, lauric, mystyric, pentadecanoic, palmitic and stearic acids as well as mixed anhydrides, e.g. propionic acid/acetic acid anhydride. Specified bases are tertiary amines. The polymer may be slurried with the anhydride and heated or boiled under reflux, under reduced pressure and in the presence of an acid acceptor.
Patent GB-882203-A (GB)
Title: Former for use in the building of pneumatic tyres
IPC: B29D30/24
Filed: 1958-03-14
Abstract: 882,203. Tyre building formers. DUNLOP RUBBER CO. Ltd. March 14, 1958 ]March 21, 1957], No. 8194/58. Class 144 (1). A collapsible tyre building former comprises a main segment A with two auxiliary segments B and C pivoted one to each end thereof to complete the former surface, the segment A carrying a fluid-operated jack 18 rotatable therewith and operable to collapse or erect the segments B and C. As shown, each segment comprises central portions A1, B1, C1 respectively flanked by side portions A2A3, B2B3 and C2C3. The main segment portion A1 has side plates 2a which are bolted to flanges 2 of a hub 1 and between the ends of which are carried spindles 3, 4 forming the pivots for side plates 8 and 13 of the segments B1 and C1 respectively. Pivotally anchored at one end on the spindle 4 is a pneumatic jack 18 the piston-rod 18a of which is pivotally connected to an arm 11c of a three-armed lever 11 which is centrally pivoted on a spindle 12 carried by the side plates 2a. The other arms 11a and 11b of the lever 11 are pivotally connected by connecting rods 10 and 15 and spindles 9 and 14 to the segments B1 and Cl respectively, the connecting rods 15 having a slot connection 15a with the arm 11b to provide for a lost motion which ensures prior collapse of the segment B. The piston-rod 18a is spring-loaded to its retracted position in which the former is erected. In the erected state, the adjacent ends 5a, 5b have interlocking engagement, and the pivots 9, 10a and 12 of the rod 10 and lever 11 are aligned to prevent inadvertent collapse of the former during tyre building. The jack 18 is operated by pressure air supplied through a hub passage 22, nipple 21, a flexible pipe (not shown) and an inlet 20. The main segment portions A1, A2 may have surface perforations leading to suction chambers to provide for holding of the first ply to the drum surface.
Patent GB-328732-A (GB)
Title: Improvements in or relating to self tipping waggons
IPC: B60P1/12
Filed: 1929-03-13
Abstract: 328,732. Harrow Industrial Co., Ltd., and Herbert, W. E. March 13, 1929. Tipping wagons.-Wagons or trailers are tipped about a pair of road wheels, which are scotched or braked, by the backing or reverse movement of a drawbar which is pivotally connected to the body underframe by front and rear links of lengths to give the required tipping angle the forward link being pivoted at its rear end directly to the underframe in front of the pivot of the rear link. The drawbar a is connected to the underframe d by two pairs of links c, e<1> which, on the wheels being braked by the brakes D' and the drawbar backed, tip the wagon body C. A stop d<2> is provided to limit the tipping and to absorb the shock of the body when returned a spring s is provided which is normally connected to the underframe d by struts s' and removable pins s<5>.
Patent GB-470586-A (GB)
Title: Improvements in or relating to clock mechanisms
IPC: G04C11/08
Filed: 1936-03-19
Abstract: 470,586. Electric clocks. SMITH, S. J., and TELEPHONE MANUFACTURING CO., Ltd. March 19, 1936, No. 8278. Drawings to Specification. [Class 139] A clock mechanism comprises the combination with a pendulum 14, Fig. 1 (not shown), which controls a rocking driving member 21 in the mechanism, of a self-starting A.C. synchronous motor 57 and a lever 60, carrying two oppositely pivoted serrated pallets 62, which is driven by the motor to be intermittently moved into and out of the path of an element 56 on or secured to the pendulum when the latter closely approaches one end of its swing and which part 60, 62 is such as to effect correction by mechanical contact with the spring arm 56 attached to the pendulum. The present apparatus described and shown is the same as that described and shown with reference to Figs. 1-10 of Specification 470,562, but the claims differ. The Provisional Specification refers to Specification 370,956.
Patent GB-764753-A (GB)
Title: Improvements in or relating to electrostatic precipitators
IPC: B03C3/86
Filed: 1955-03-23
Abstract: 764,753. Electrostatic precipitation. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. March 23, 1955 [April 1, 1954], No. 8407/55. Class 39(1). The ionizing electrodes 29 of a two-stage precipitation are mounted in a frame which has resilient outwardly bowed side plates 23, pressing the insulators 21 against inwardly turned portions 16, 17, 18, 19 of the housing. The insulators have cylindrical bosses 20, 22 which extend through circular openings in the plates 23 and in the sides of the housing.
Patent GB-237191-A (GB)
Title: Improvements in heel breasting machines
IPC: A43D87/00
Filed: 1925-03-31
Abstract: 237,191. Geffers, C. March 31, 1925. Breasting. - A heel-breasting machine has a rotating work-holder 10 adapted to support heels 7 with their top lifts outermost and their curvatures at the breast end of the shoe-receiving surface of the heel concentric to the axis of rotation of the work-holder, and a cutter 6 rotating about an axis substantially at a right-angle' to the axis of the work-holder and shaped to conform in outline to the vertical curvature of the heel breast. The cutter 6 is adjustable longitudinally and laterally, and is driven by a belt pulley 9. The work-holder 10 is driven by worm gearing, and is fitted with seats 17 shaped to conform to the shoe-receiving surfaces of the heel and surrounded by a flange. Each heel is held by a lever 21 provided with spikes 29 engaging the top lift, an adjustable cam lever 25 operated by a detachable handle 30, and an adjustable thrust member 26.
Patent GB-917142-A (GB)
Title: A new antibiotic streptovitacin and its production by fermentation
Filed: 1959-03-12
Abstract: <PICT:0917142/IV (b)/1> The invention relates to an antibiotic named streptovitacin, which is active against tumours, yeasts, fungi and protozoa, and which is a complex of the isomers streptovitacin A, B, C1, C2, D and E.  Streptovitacin A is 3-[2-(5-hydroxy - 3,5 - dimethyl - 2-oxocyclohexyl)-2-hydroxyethyl]-glutarimide of formula <FORM:0917142/IV (b)/1> Streptovitacin is obtained from a liquid containing both cycloheximide and streptovitacin, especially a beer obtained by the fermentation of a cycloheximide producing-strain of Streptomyces griseus, by clarifying the liquid, removing cycloheximide by extraction with a water-immiscible solvent for the cycloheximide e.g. methylene chloride and recovering the streptovitacin from the spent-liquor by (a) treatment with solvents, (b) adsorption, (c) chromotography and (d) countercurrent distribution.  The solids obtained by freeze drying the spent liquor may be dissolved in water and acetone added to precipitate impurities.  The solid recovered by freeze drying is dissolved in water, absorbed on carbon and eluted therefrom with 85% aqueous acetone.  The eluate is concentrated and freeze dried.  The solid is dissolved in methanol and methyl ethyl ketone added to precipitate impurities.  The residue taken up with water is treated with "Permutit" resin (Registered Trade Mark) and eluted with aqueous ethanol to give streptovitacin free from cycloheximide and streptomycin.  Further purification is obtained by (A) partition chromatography using a system consisting of water, 15-50% water-immiscible organic solvent and if desired up to 35% water-miscible organic solvent e.g. ethyl acetate:cyclohexane:ethanol:water 8 : 6: 8 : 4; (B) countercurrent p distribution using 1-pentanol:3-methyl butanol:water 1.7 : 1.2: 2.9. (C) paper strip partition chromatography using paper strips impregnated with 0.1 M solution of phosphate buffer of pH 4.0, spotted with the antibiotic solution, developed with upper phase of system methanol/benzene/water 2 : 1 : 1, dried and equilibrated with both phases of ethyl acetate/water 1 : 1 and then developed with water saturated ethyl acetate.  In this system, streptovitacin A has a Rf value of 0.38; streptovitacin B a Rf value of 0.45; streptovitacin C a Rf value of 0.57; streptovitacin D, a Rf value of 0.73; and streptovitacin E, a Rf value of 0.85.  Streptovitacin is useful as a herbicide, algicide, fungicide, rodenticide, hypotensive agent; for producing giant cells in tissue culture; in differential microbiological contamination assays where it may be mixed with amicetin. Specifications 667,108 and 800,170 are referred to.ALSO:The antibiotic streptovitacin (see Group IV (b)) is useful as a herbicide, algicide, fungicide, rodenticide, hypotensive agent and for producing giant cells in tissue culture.  It may be used mixed with amicetin in differential microbiological contamination assays. Specifications 667,108 and 800,170 are referred to.
Patent GB-1244515-A (GB)
Title: Improvements in and relating to display apparatus
Inventor: OSUGI KINICHIRO
IPC: G09G3/04
Filed: 1969-02-18
Abstract: 1,244,515. Digital indicators. MATSUSHITA ELECTRIC INDUSTRIAL CO. Ltd. 18 Feb., 1969 [28 Feb., 1968], No. 8660/69. Heading G4H. Apparatus for displaying the contents of a series cyclic register 51, Fig. 2, comprises a clock pulse generator 52, the pulses of which are applied to shift the contents of the register in a forward direction, a counter 53 receiving the shift pulses and counting forward in step with the register, a display counter 54 also receiving the shift pulses and counting backwards one unit for a predetermined number of shift pulses and a comparison circuit 55 producing an output whenever the indications of the counters are the same. The recirculating register, as described, has five stages with contents L, 2, 3, 4, M. In Fig. 3 line (a) shows the clock pulses, line (b) shows the order in which the stored contents are read out. Counter 53 indicates the position in the same order, line (c). Display counter 54 counts backwards one step every four clock pulses. The indication of counter 54 is shown in line (d). Every time the circuit 55 detects coincidence the corresponding character is entered in the buffer 56 and displayed for the next four pulse times as shown in line (e). Instead of counting every four shift pulses the display counter 54 may count down every one or more cycles of the register to produce an even slower change of display.
Patent GB-254267-A (GB)
Title: Improvements in and relating to yarn winding machines
IPC: B65H54/14
Filed: 1926-03-30
Abstract: 254,267. Joyce, J. D. June 27, 1925, [Convention date]. Winding-machines; stop-motions.- A yarn-winding machine, particularly for winding double taper-ended cops for loom shuttles, is provided with a progression wheel 22, Fig. 1, mounted on the traverse bar 3 and movable transversely thereof to regulate the feeding of the guide 40 and the taper of the base of the cop being wound, and also with means to adjust the wheel in lateral relation to the winding spindle and the bar as the cop increases in diameter. The wheel is held eccentric of the bar and close to the spindle 2 at the beginning of winding and is adjusted towards its concentric position as the cop increases in diameter. The composite device for actuating the thread-guide 40 is shown in detail in Fig. 5. The wheel 22 is mounted on a bush 23 on the outer surface of a member 15<1> which has a substantially U-shaped bore 27 and arms 16, 18, the former providing an arcuate face 17 and the latter terminating in a forked end adapted to straddle a spring 19. The flange 24 on the bush 23, the wheel 22, and a disc 31 on a bush 30 are connected by a pin 25 while a single tooth 34 is pivoted on the disc 31 and adapted to engage the screwed portion 3a of the bar 3. The guide 40 is carried on an arm 41 having a finger 47 whereby it is connected to the bush 30. At the commencement of winding the gear 34 is pressed out of engagement with the screwed rod 3a and the device moved to the starting position with the face 17 in contact with the conical shaper 8 and with the wheel 22 forced towards the spindle 2 against the action of the spring 19, the member 15' riding with its U-shaped bore on the bush 10. The gear 34 is then engaged with the rod 3a and the wheel 22 remains in this position until engaged by the growing cop. The wheel is then rotated and, through the gear 34, the guide is moved along the rod 3<a>. As this movement continues the face 17 rides out along the shaper 8 and the spring 19 causes the wheel 22 to return to its concentric position on the rod 3a. When the face 17 is free from the shaper 8 the cylindrical winding proceeds. An arm 49 and collar 50 are provided to actuate a stop motion.
Patent GB-1224428-A (GB)
Title: Traverse mechanism for bobbin winding apparatus
IPC: B65H54/28
Filed: 1969-02-18
Abstract: 1,224,428. Traverse machanism. ELITEXZAVODY TEXTILNIHO STROJIRENSTVI GENERALNI REDITELSTVI. 18 Feb., 1969 [19 Feb., 1968], No. 8673/69. Heading D1J. The position of the traverse length on a bobbin winding machine is cyclically displaced to prevent yarn build-up at the bobbin ends due to variations in traverse speed during changes of direction. A driven grooved cam 1 is followed by a follower 8 which is of elongated shape so that when the groove direction changes, the follower 8 and its spindle 8' are rotated. An arm 15 keyed to the spindle 8' are bears a pawl 19 which, when rotation of the spindle in one direction occurs, rotates a ratches wheel 11 against which is fixed an eccentric 10. The eccentric 10 is thus rotated anticlockwise (as viewed in Figs. 1 and 3) when the cam follower 8 is thus rotated. A block 12 surrounds the eccentric 10 and slides in a further blook 13 which carries an arm 28 having a thread guide. The action of the eccentric 10 thus superimposes a slow sinusoidal reciprocation of the thread guide upon the reciprocation produced by the traverse cam 1. The speed of rotation of the eccentric may be adjusted 'by changing the degree of engagement of the pawl 19 by means of a movable stop 22.