baber/WOPTO huggingface dataset:
Patent GB-258494-A (GB)
Title: Automobile brake testing device
IPC: G01L5/28
Filed: 1926-03-20
Abstract: 258,494. Diderrich, G. March 20, 1926. Dynamometers: systems for testing motor vehicles. - The brake pedal is provided with serrated teeth cooperating with a pawl to hold the pedal in predetermined positions while the degree of braking is tested by applying a turning moment to each wheel in turn by means of a spring balance. The spring balance 40 is slotted as shown and a pin protrudes through the slot from the lower end of the shank engaging under a friction-held indicating collar 38. The brake pedal 21 is serrated to engage a pawl 23, or may be fitted with a detachable toothed rack if unprovided itself with teeth. For applying the spring balance a clamp 37 is provided including a pair of resilient arms 41 which tend to separate but which may be tightened around the wheel tyre by a sliding collar 42. The brakes are adjusted so that the indication of the balance is the same for all four wheels.
Patent GB-896570-A (GB)
Title: Improvements in or relating to folding doors
Inventor: SINNOCK POMEROY
IPC: E06B3/94
Filed: 1960-03-07
Abstract: 896,570. Collapsible grates. NEW CASTLE PRODUCTS INTERNATIONAL Inc. Mar. 7, 1960, No. 7927/60. Class 45. [Also in Group X]. In a lazy tong type expanding door comprising upper and lower hinged plates 10 connected by pintles 11 the fabric covering 14 is stiffened by spaced plastic elements 15 on a flexible tape 16 sewn to the fabric. In a modification, Fig. 4, elements 26 are connected by necks 27. In both cases the covering is secured to the plates 10 by split fasteners 18 mounted on the plastic stiffener.
Patent GB-702845-A (GB)
Title: Improvements in or relating to the packaging of joint-sealing compositions
Inventor: PARKER WILLIAM DUNCAN
IPC: D21H19/40
Filed: 1951-04-05
Abstract: 702,845. Packaging. EXPANDITE, Ltd. April 7, 1952 [April 5, 1951], No. 7943/51. Addition to 672,264. Class 94 (1) [Also in Group VIII] A strip, sheet or gasket of rubber-bitumen, bitumen or other joint-sealing composition is enclosed in a wrapper comprising paper, cardboard or like material, a film-like coating which makes contact with the composition and is substantially impervious thereto, and a parting layer interposed between the paper &c. and the  coating, whereby the paper &c. may be easily stripped from the coating and composition when the latter is to be used. A strip of sealing composition may be extruded on to a strip of paper having on both sides a layer of clay or bentonite and a coating of a natural or synthetic rubber composition, such as neoprene, polyethylene or a polymer or copolymer of vinyl or vinylidene chloride, the coated paper being unwound from a reel and wound-up with the extruded strip to form a self-supporting coil. Alternatively the paper and strip may be wound on a core. The sides of the roll may be covered with paper sheets having the coating and layer on one side only. Similar sheets may be used for wrapping a gasket.
Patent GB-472169-A (GB)
Title: A collapsible protector for plants
IPC: A01G9/12
Filed: 1936-03-17
Abstract: 472,169. Transparent plant protectors. HAMILTON, J. March 17, 1936, Nos. 7963 and 21065. [Class 20 (i)] A collapsable plant-protector comprises two uprights connected by horizontals and a transparent cover, so arranged that when the frame is expanded, the cover is also distended. The frame consists of uprights P to which are pivoted the wire-rings F, the rings being sunk into grooves in the uprights and secured therein by staples S, so that one upright may collapse on to the other. The cylindrical cover A is formed of flexible translucent material such as " Cellophane " (Registered Trade Mark), and is fixed to one upright by pins H so that the cover is distended as the frame is expanded. The cover may then be pinned to the other upright. In order to allow free movement of the lower rings, into and out of the end of the cover, these rings may be split as shown at B.
Patent GB-287117-A (GB)
Title: Improvements in or relating to the formation of rings
IPC: B21D53/30
Filed: 1928-03-15
Abstract: 287,117. Budd Wheel Co., (Assignees of Vis, G. A.). March 15, 1927, [Convention date]. Hoops and rings.-Rings of irregular crosssection particularly for pneumatic tyre rims are made from blanks, previously formed from strip by profiling rolls, bending, welding and trimming, in a machine which expands the rings beyond finished size and simultaneously completes the profiling and then finally contracts therings to the size required. The machine comprises a series of opposed radially movable dies. The sequence of operations is shown in Figs. 1 to 5, R being the initial and r the final section of the ring whose axis is X-X, the extent of movement of the dies being exaggerated. The dies C, E are formed in sections separated by shims as shown in Fig. 9 and are actuated by a series of circumferentially arranged toggles 41, 61 operated by a head 43 and a rod 48 respectively. The rod 48 is driven by a connecting- rod 49 from a crank 50, Fig. 7, and the head is driven by pairs of forward and return cams 47 mounted on each side of the crank. The return cams act through springs 46<1> which yield in the event of jamming. 'The holders for the dies C slide in radial guides in the head 43 and are themselves provided with guideways for the dies E. The stroke of the head 43 is adjusted by a wedge 54 controlled by a screw and handwheel 53, and the rod 48 imparts a variable stroke to the sleeve 62, splined on the rod, by a lost motion device comprising an axially adjustable ring 66<1> coaoting with tappets 65<1> attached to levers pivoted on the sleeve and closed by a ring 68. Strips s support the ring when free of the dies.
Patent GB-483181-A (GB)
Title: Improved process for producing light-opaque pencil marks and pencils therefor
IPC: B43K19/16
Filed: 1937-03-18
Abstract: 483,181. Pencils. BAUMANN, H., (formerly KOHNER, H.). March 18, 1937, No. 8021. Convention date, March 18, 1936. [Class 146 (iii)] In order to increase the light-opacity of the marks produced by pencil leads containing a dyestuff or a dyestuff component, the mark is subjected to a homogeneous layer of a solvent for the dyestuff or component preferably applied by means of a roller dampened with the solvent or as a gas of concentration at least equal to the vapour pressure of a saturated solution. When the lead contains only one component of the dye, the other component is applied in solution or gaseous form. The lead, which is free from water-repelling substances such as fat, and which preferably contains at least 20 per cent volume of hollow spaces, is impregnated with a solution of the dyestuff or component in a volatile solvent, so that at least one-third of the space is filled, and substances which do not repel water, such as glycerine, salts of higher fatty acids, or the like, are added. Dyes for cotton or cellulose are preferably used, e.g. water-soluble basic organic dyes such as nitrosophenol, nitro, azo, diphenylmethene, triphenylmethane, xanthene, naphthalene, or like dyestuffs. The paper or other support to be marked may also be treated to prevent spreading by lightly binding the dyestuff to the surface as by treating with tannin for basic dyestuffs, or inorganic salts such as common salt, calcium chloride, or the like for acid dyes.
Patent GB-1416305-A (GB)
Title: Slidable plunger for liquid dispenser
IPC: A61M5/315
Filed: 1972-11-23
Abstract: 1416305 Liquid dispensers MPL INC 23 Nov 1972 [6 Dec 1971] 8049/75 Divided out of 1416302 Heading A5R [Also in Division F2] The subject-matter of this Specification is identical with that of the parent, Specification 1416302, but the claims relate to a plunger comprising a cup-shaped body of elastic material, having a slitted bottom and internal screw-threads in the recess of the cup-shaped body.
Patent GB-991586-A (GB)
Title: Process for the preparation of penicillins
Inventor: FOSKER GEORGE ROBERT
IPC: C07D499/64
Filed: 1963-02-28
Abstract: Penicillins and non-toxic salts thereof are produced by hydrolysing a N-protected penicillin of the formula <FORM:0991586/C2/1> wherein R is a substituted or unsubstituted alkyl, aralkyl, aryl or heterocyclic group; R1 is alkyl, aralkyl or aryl; R2 is alkyl, aralkyl, aryl, alkoxy, aralkoxy or aryloxy; R3 is hydrogen, alkyl, aralkyl or aryl; or R3 together with R1 or R2 completes a carbocyclic ring; or a non-toxic salt thereof.  The N-protected penicillin is prepared by reacting 6-aminopenicillanic acid or a salt thereof with a reactive derivative of a carboxylic acid of formula <FORM:0991586/C2/2> where R, R1, R2 and R3 have the above meanings. The reactive derivative is preferably a mixed anhydride obtained by treating an alkali metal salt of the said acid with an alkyl chlorocarbonate in the presence of a catalyst which is <FORM:0991586/C2/3> where X is hydrogen or alkyl, substituted alkyl, phenyl, substituted phenyl or carbonyl; Y is H or alkyl or X and Y together are ethylene, substituted ethylene, trimethylene, substituted trimethylene, -CH2OCH2- or -CH2N(CH3) CH2-.  Hydrolysis may be by organic or inorganic acid at pH 1 to 5 and the N-protected penicillins need not be isolated.  Derivatives of a -amino acids of formulae <FORM:0991586/C2/4> where R, R1, R2 and R3 have the above meanings, are prepared in the form of their salts by condensing a salt of an a -amino acid of formula <FORM:0991586/C2/5> with a beta-diketone or a beta-ketoester. Typical examples are sodium N-(1-acetylpropen - 2 - yl) - a  - aminophenylacetate, sodium N - (1 - methylcarbonylpropen - 2 - yl) - a -aminophenylacetate, sodium N - (1 - acetylpropen - 2 - yl) - a  - amino - g  - methylthiobutyrate, sodium N - (1 - methoxycarbonylpropen - 2 - yl) - a  - amino - g  - methylthiobutyrate and derivatives of the second mentioned compound in which the benzene ring is substituted by chlorine, fluorine, nitro or hydroxy. Specification 873,049 is referred to.
Patent GB-453407-A (GB)
Title: Process for obtaining bee-venom
IPC: A61K35/63
Filed: 1936-03-19
Abstract: Bee venom is obtained by causing bees to sting the rough side of a very thin sheet of leather so that the stings just penetrate to the smooth side of the leather and the venom collects thereon and may be dried and removed by scraping.  Suction may be applied beneath the leather during the stinging to increase the yield. Known methods referred to are (1) extracting dried and powdered stings with water; (2) inducing bees to give up their venom by subjecting them to ether vapour and then washing them with a small quantity of water; (3) taking up drops of venom released from a sting in a drop of water; (4) causing bees to sting thick moistened filter paper.
Patent GB-1154134-A (GB)
Title: Improvements in or relating to a Balance Weight, in Particular for an Automobile Wheel.
IPC: F16F15/32
Filed: 1968-02-21
Abstract: 1,154,134. Wheel balance weights. DYNACLIP. 21 Feb., 1968 [30 June, 1967], No. 8327/68. Heading B7C. A wheel balance weight comprises a mass m and a clip, the clip having an end portion a 1  embedded in the mass and two curved portions a 2 , a 3 , the radius of arc R 3  of portion a 3  being greater than that of portion a 2  and the free end of portion a 3  defining a constriction with the adjacent face of the mass.
Patent GB-766239-A (GB)
Title: Improvements in or relating to conveyors
IPC: B65G21/06
Filed: 1955-03-22
Abstract: 766,239. Endless conveyers. COWLISHAW, WALKER & CO., Ltd., and SEED, E. C. March 22, 1955, No. 8349/55. Class 78 (1). Supporting rollers of an endless articulatedplate conveyer run on stationary upper and lower tracks each composed of a series of sections carried by spaced supports situated at the joints, each section of the upper track being rigidly united with the corresponding section of the lower track and a single weight bearing connection being provided between each end of the united pair of tracks and the support at that end, about which connection the sections are able to pivot in the up and down direction. As shown, each support consists of a pair of uprights 18 of T-section standing on bases 19 and joined by angle girders 20. Upper and lower track sections 15, 16 at each side of the conveyer are joined at intervals by plates 27 the end ones of which have channels 28 welded to them. A boss 29 is welded to each channel 28, the bosses of adjacent sections engaging in sockets, formed on either side of the web 23 of the upright by angles 22 and a cover plate 24, to provide the single weight-bearing connections. Bolts 26 passed through holes in the cover plate engage threaded bores in the bosses to secure them in position and draw the ends of the rails against the inwardly facing sides of the flanges of the upright 18. The rubber-supporting surfaces of the rails 15, 16 are cut away in complementary form at their opposite ends to provide overlapping portions 31, 32 which are each bent downwardly in a curve to ensure smooth passage of the conveyer rollers when adjacent lengths of rail are at an angle to each other. Guards 33 are bolted to the plates 27 and extend over the path of the conveyer rollers in the upper run to prevent material fouling the rollers. A wire mesh guard may be provided for the rollers in the lower run.
Patent GB-293091-A (GB)
Title: Improvements in and relating to float-controlled valves
IPC: F16P3/00
Filed: 1927-03-26
Abstract: 293,091. Maclean, J. B. March 26, 1927. Ball and float valves.-In traps or separators for immiscible liquids of different densities, such as employed for separating oil from sea or fresh water, a double heat discharge valve is arranged in a convenient position in communication with the separating chamber, the valve stem entering freely into the chamber and being associated with a lever and float located therein. The float is lifted by the heavier liquid to close the valve when its level rises as the lighter liquid passes out of the chamber. The valve casing 3 is conveniently arranged on the top plate of the separating tank &c. 1, the outlet 5 being regulated by a double heat valve 8, 8<a>, rendered accessible by a cover 4. In Fig. 1, the valve stem 9 slides in a guide 11 in a bracket 12 to which is pivoted the float lever 14 arranged to give great mechanical advantage. The lever is formed with a loop 16 to carry the float 17, the action of which may be regulated by an adjustable weight 19. In Fig. 3, the part 23 forms the guide for the valve stem, and a member 22 secured thereto carries the float lever 20, an extension 29 of which moves between guides 30 when employed on ships. Detachable covers 26, 27 enable sheet metal clippings &c. to be put in the float to regulate the weight thereof.
Patent GB-735188-A (GB)
Title: Improvements relating to cathode ray tube display apparatus
Inventor: KEY KENNETH ANDREW
IPC: G01R13/28
Filed: 1952-04-02
Abstract: 735,188. Cathode-ray oscilloscopes; electric analogue calculating systems. METROPOLITAN-VICKERS ELECTRICAL CO., Ltd. March 27, 1953 [April 2, 1952], No. 8424/52. Class 37. [Also in Group XL (c)] The amplitudes of a plurality of voltages V1 ... V4 are displayed simultaneously on a short-afterglow cathode-ray tube C.R.T. by applying the voltages sequentially via an amplifier A to respective storage condensers C1 ... C4 by means of slow-acting synchronous switches S1 and S2, the condensers being connected sequentially to the Y plates of the cathode-ray tube via a quick-acting switch S3 and the X deflection of the cathode-ray beam being varied in steps by a switched D.C. potentiometer S4 operating synchronously with switch S3. When the voltages V1 ... V4 are A.C., a rectifier R is inserted between amplifier A and switch S2 and when magnetic deflection is employed a cathode follower is used to convert the condenser voltages into corresponding deflection currents. Fig. 2 illustrates a modification for use in conjunction with an analogue computer for solving equations, the switch S 1 being replaced by four similar switches El ... E4 each having four inputs v1 ... v4 and the outputs from the switches being combined over summation resistances R1 to R4 so that each voltage V=(v1+v2-v3- v4) ; a further switch S5, synchronous with switches E1 ... E4, eliminates switching transients in the amplifier by short-circuiting its input when the switch arms are moving between the contacts. Fig. 3 (not shown) illustrates a further modification employing five input switches for use in conjunction with an analogue computer for solving four simultaneous equations in which the individual terms of the equations are set up by potentiometers and applied to the input switches, the outputs from the switches being combined so that each voltage V is equal to the residual (v1 + v2 + v3 + v4 - v5) of the corresponding one of the four equations and the equations being solved by adjusting the unknowns until the four residuals V1 ... V4 are reduced to zero.
Patent GB-1057615-A (GB)
Title: Material suitable for use in a turbine blade
IPC: F01D5/28
Filed: 1965-02-26
Abstract: An alloy for making a turbine blade comprises:-<TABS:1057615/C6-C7/1> the balance, apart from impurities, being iron. In examples the alloys are heated to 990 DEG C. quenched in oil and tempered at 600 DEG -700 DEG C.
Patent GB-670028-A (GB)
Title: Improvements in and relating to the removal of nitric oxide-hydrogen cyanide and sulphide from coal distillation gases
IPC: C10K1/20
Filed: 1949-03-29
Abstract: 670,028. Purifying coal gas. HAMBURGER GASWERKE GES. March 29, 1949 [Nov. 8, 1948], No. 8472/49. Class 55 (ii). Hydrogen cyanide, gum - forming nitric oxide and hydrogen sulphide are removed from coal gas which has been freed from tar but which still contains ammonia, by first removing the HCN and NO in a preliminary purifier in which is a mass containing iron oxide which has been sulphided by the H 2 S and rendered alkaline by the ammonia in the gas, and then removing the H 2 S in one or more subsequent iron oxide purifiers. The apparatus shown consists of three purifiers I, II and III, each having an insulated vertical, cylindrical shell containing superimposed, removable containers 8, 9 and 10 through which passes an axial gas inlet pipe 7. Gas flows through the three purifiers in series, entering the first through a pipe 1 to flow upwardly past a heating or cooling coil 5, up through the pipe 7 and downwardly through the purifying mass in each container, discharging through a pipe 13 into a vessel 15 where it is heated to between 30‹ and 40‹ C. and saturated by steam admitted through a pipe 15a, before entering purifier II. Air for the revivification in situ of the material in purifier II is also admitted through pipe 15a. Initially, all the purifiers are charged with iron oxide. The mass in purifier I is rapidly sulphided and rendered alkaline and in this condition absorbs the HCN and NO from the gas with evolution of H 2 S which, with the H 2 S present in the gas, is removed in purifiers II and III by the normal reaction. Two distinct spent masses result from the process, first, a normal spent oxide from II and III and second, a mass containing ferrocyanide from purifier I. To overcome the decrease in gas permeability which would otherwise occur, the fresh oxide is briquetted before loading it into the containers. For the HCN and NO removal, a particularly suitable mass is produced by melting crystalline ferrous sulphate solidifying, and exposing it to the gas, when it is converted into a lumpy mass containing ferrous oxide. U.S.A. Specification 1,976,704 is referred to.
Patent GB-250745-A (GB)
Title: Improvements in concrete walls and like structures
IPC: E04B2/68
Filed: 1925-03-31
Abstract: 250,745. Broch, E. W. March 31, 1925. Walls.-Concrete walls with air cavities are formed by spacing apart inner and outer slabs q, x by bolts b and casting concrete between, under, and above permanent cores which thus enclose isolated cavities. The bolts b are passed through openings in the slabs x and engage anchors a embedded in the slabs. Wooden projections or ledges e are secured to wooden blocks in the slabs and extend horizontally and vertically and determine the position of the cores. The cores consist of metal or other side plates g with stiffeners i and metal strips h to clamp the plates g to the vertical ledges e, and top plates f which rest upon the horizontal ledges e and the sides g. Reinforcements may be added to the filling.
Patent GB-805629-A (GB)
Title: Improvements in positioning-tables for drilling and like machines
IPC: B23Q16/04
Filed: 1957-03-15
Abstract: 805,629. Drilling-machine details. HOWE & FANT Inc. March 15, 1957 [March 21, 1956] No. 8612/57. Class 83 (3). A work-table to be secured to the table of a drilling or like machine comprises a base 10 with an annular bearing-surface 17 supporting a ballrace 18 prevented, as by a spigot 15 on the base, from moving off the surface 17, a work-support 22 secured to a plate 19 resting on the thrust-race 18 and including an index-plate 25 having openings 31 corresponding e.g. to the pattern of holes to be drilled in the work, means 32 for engaging the index openings 31, and means 28 on the base for limiting horizontal movements of the support 22. A flange 21 on the support 22 projects into a large bore in the part 28 of the base, and contact between the flange and the wall of the bore limits movement of the support caused by a handle connected to a lever 59 mounted on an extension 50 of the support 22. Depression of the lever 59, against the action of its supporting spring 64, operates a valve 51, 57 on the part 50, supplying compressed air to a cylinder 35 for withdrawing the index pin 32 against the action of a return spring 36. Compressed air is also fed beneath the index plate 25, through a passage 45 and, escaping through the bearing 18 and the gap between the support 22 and the base, prevents swarf entering the gap. Escape passages 25a, 21a adjacent the index-plate 25 are also provided, and compressed air in channels 28a in the underside of part 28 opposes the lifting action of the air beneath the plate 25. The plate 19 is secured to the flange 21 by screws 20 and the plate 25 to the support 22 by screws 27. A work-holder (not shown) is secured to the support, as by bolts, or to a wear-plate secured to the support and located on pins 70, 71. A projection 10a on the base supports a card 72 having a pattern of holes 73 corresponding with the index-holes 31 in the plate 25, and a pointer 74 on the support 22 can be moved over the pattern to position the support approximately, the exact position being secured by releasing the index-pin 32; the top of the projection 10a may be blackened to make the holes 73 more prominent. The support and the base are connected by a pin 68, Fig. 4, on the base, engaging a slot 67 in the underside of the part 50. Specification 591,501 is referred to.