baber/WOPTO huggingface dataset:
Patent GB-546843-A (GB)
Title: Improvements relating to linear-dimension gauges
IPC: G01B5/08
Filed: 1941-06-10
Abstract: 546,843. Linear-dimension gauges. BOLTON, E. June 10, 1941, No. 7315. [Class 106 (ii)] Relates to internal gauges incorporating a dial indicator and having a fitting one end of which has a socket to receive a spigot on the indicator casing, and the other end of which is split so as to contract when placed in a hole to be gauged the movement being transmitted by an internal spindle to the feeler plunger of the dial gauge. A dial gauge 11 is provided with a supporting spigot 12 and also with a hollow spigot 14 preferably of the same diameter through which the feeler spindle 15 extends. The tubular extension of the gauge comprise a part 18 fitted externally with a hand-grip portion 19 and with a socket 20 to receive the spigot 14, and a part 22 the extremity 23 of which is adapted to engage the work 24. The part 22 is longitudinally split at 26. The extremity 23 is accurately machined for a given size, and the part 22 can be unscrewed and a similar part of another dimension substituted. The part 18 has in its interior a ring 28 through which the spindle 29 can slide, a spring 30 abutting between the ring and a collar 31 pinned on the spindle. The other end of the spindle has a hardened point 32 which enters the split extremity 23 to engage the sharp hardened internal edges thereof. When the part 23 is pushed into the work the split portions are contracted and force the spindle 29 to move the feeler 15 of the gauge. The gauge is centred by a spring-pressed sliding collar with tapered webs to engage the end of the hole. Specification 495,506 is referred to.
Patent GB-609193-A (GB)
Title: High-power ultra-high-frequency load device
IPC: H01P1/26
Filed: 1946-03-08
Abstract: 609,193. Electric resonators. STANDARD TELEPHONES & CABLES, Ltd. March 8, 1946, No. 7323. Convention date, March 10, 1945. [Class 40 (viii)] A tunable coaxial resonator, matched to a transmission.line, for use as a power-dissipating load, is designed to avoid over-heating and voltage breakdown. The inner conductor 2 has thin walls made of iron, nickel or an alloy of nickel with chromium or iron so that it dissipates power. Tuning is effected by means of a screw-adjustable plunger 4, and matching by choice of the point of attachment to the inner conductor 2, of the inner conductor 8 of coaxial line 7. Fins 12 are provided for cooling, and a fan or blower may be added, or the inner conductor 2 may be water-cooled, and voltage breakdown may be prevented by the use of oil as a dielectric. Alternatively the resonator may be coupled to the line inductively or capacitively, Figs. 2, 3 (not shown). The inner conductor 2 may itself be threaded, and the outer conductor 1 may be filled with oil and placed in an exterior water bath, Fig. 4 (not shown). Alternatively the inner conductor may comprise a U-tube through which cooling water flows, tuning being effected by means of a variable condenser connected between the tube and the end wall 25 of the resonator, Fig. 5 (not shown).
Patent GB-644416-A (GB)
Title: Improvements in or relating to anti-slip girdle attachments for pneumatic tyres
IPC: B60C27/10
Filed: 1948-03-10
Abstract: 644,416. Wheel tyres. HENDERSON, W. M. March 10, 1948, Nos. 7334/48 and 2718/49. [Class 144 (ii)] A detachable tread band for use on tractor and like wheels comprises a series of metal yokes adapted to straddle a pneumatic tyre, each having, a pair of spaced tread members, the yokes being connected by links pivoted to the yokes between the tread members. As shown in Figs. 1 and 5, each unit of the band comprises spaced pairs of channelshaped yokes 3, 4, the radial arms of which are welded to plates 5 connected at each side of the wheel by links 9 ... 13. To permit assembly &c. and tensioning of the device, the links 9, 11 are shown formed in two parts 18, 19 detachably connected by a bolt engaging selected registering holes in the parts. The forward yoke 3 of each unit is shown fitted with a ground-engaging grip 28 of bifurcated form fitting the grooved cross-bar 3A of the yoke and secured by a bolt 34 passed through the end-plate 32 of the grip. Fig. 9 shows a tool for drawing together the ends of the band comprising a hand-lever 36 fitted with a pin 39 to engage a hole 5A in one of the plates 5, a link 35 similarly fitted to the adjacent plate 5 (at the break) being pivoted at 37 on the lever.
Patent GB-951604-A (GB)
Title: Improvements in or relating to lamps
Inventor: MEINERS CARL OTTO
IPC: F21S8/00
Filed: 1959-03-03
Abstract: 951,604. Signalling, demarcation and like lights. MEINERS OPTICAL DEVICES Ltd. Feb. 29, 1960 [March 3, 1959; May 6, 1959 (2)], Nos. 7358/59, 15552/59 and 15553/59. Heading F4R. A lamp for producing a beam of great visual range e.g. for signalling, guiding and similar lights comprises a light source without a reflector behind it and a lens system for producing a substantially parallel-sided beam and power means for oscillating the beam or moving it orbitally to produce an effect of considerable divergence. In its simplest form, a light source 11, Fig. 1, which may be associated with a stop 13 is enclosed in a tube 12 and arranged so that the source or the stop is at the focus of a convex lens 14 so that a parallel beam is produced which falls on a mirror 17 oscillated by a lever 20 acted on by a cam 21. In alternative arrangements (a) the lamp is fixed and the housing 12 carrying the lens 14 is oscillated; (b) a revolving prism is interposed in the beam between the lamp 11 and the lens 14; (c) the lamp 11 or the stop 13 is reciprocated by a cam, the lens 14 being fixed; and (d) the lamp 11, Fig. 5, is arranged behind a central aperture in a concave mirror 27 opposite which is a mirror 28 carried by a magnet 29 mounted on a balljoint at 30 and oscillated by current passing through windings 31, the light reflected from the mirror 27 passing to the lens 14.
Patent GB-1061083-A (GB)
Title: Improvements in or relating to residential units
Inventor: EVERTON JACK
IPC: E04H1/04
Filed: 1963-02-23
Abstract: 1,061,083. Domestic buildings. CONVERTIBLE HOMES Ltd. Feb. 19, 1964 [Feb. 23, 1963; July 12, 1963], Nos. 7390/63 and 27660/ 63. Heading E1A. A composite residential unit comprises a number of sub-units each including at least a kitchen, bathroom and toilet and arranged to be selectively inter-connected with, or separated from, another sub-unit by a closure member movable to selectively interconnect and separate the sub-units and having the same soundinsulating and fire-resistant properties as the remainder of the dividing wall or walls between the sub-units. In one form (Fig. 1) a house 11 can be converted into two sub-units of which 20, 21 is one for dwellings by removing a partition 51, which divides an entrance hall 14 having outside doors 15, 16 one sub-unit being on each storey. The partition 51 can be slid into and out of a closed position, in which it is lockable, or may be hinged. In another form shown (Figs. 4 and 5) a two-storey house has two sub-units interconnectible on each storey, namely 61, 65 and 62, 66 or 63, 67 and 64, 68. The sub-units one above the other 61, 65 and 63, 67 or 62, 66 and 64, 68 are also inter-connectible. This is done by means of communicating and closable apertures 73, 76, 80, 83, 84.
Patent GB-591556-A (GB)
Title: An improved valve means for controlling the discharge of liquid from tanks and the like
IPC: G05D7/01
Filed: 1945-03-23
Abstract: 591,556. Ball and float valves. GOLDTHORPE, H. H., and ADAMS-HYDRAULICS, Ltd. March 23, 1945, No. 7427. [Class 135] A float-operated valve for regulating the discharge of liquid from a tank &c., comprises a bell-shaped plug 1, Fig. 1, coacting with an orifice 2 in a discharge chamber 3 mounted within the tank and communicating with a discharge pipe (not shown). The plug 1, which is connected to floats 8 whereby it follows variations in the liquid level in the tank may be shaped either to maintain a constant rate of discharge irrespective of the liquid level or to vary the rate of discharge in accordance with liquid level. In a modification, the plug 1, Fig. 4, which is hollow and open at both ends, is fixed to the discharge pipe 4 and is surrounded by a cylindrical member 12 supported in the liquid by floats, so that the liquid flows from the tank, through the orifice 2 to the inside of the member 12 and thence into the top of the plug 1 to the discharge pipe.
Patent GB-1105711-A (GB)
Title: Method of limiting the depth of penetration of particulate material into a fibrous sheet material
IPC: B41M5/165
Filed: 1966-02-21
Abstract: A composition containing deacylated kayara gum solution and (a) an acid or basic slurry of microcapsules and with or without oxidized potato starch, colloidal silica, kaolin and ZnCl2, or (b) TiO2, Na2SiO4, nonyl phenoxy polyethoxy ethanol, water, azo Blue Black B and octanol, is coacervated within a wet paper web by cationic starch.  Other materials instead of Kayara gum can be used, e.g. gelatin, casein, methyl cellulose, carboxy methyl cellulose, gum tragacanth, locust bean gum, buar gum, vinyl methyl ether-maleic anhydride copolymer, ethylene-maleic anhydride copolymer, and mixtures thereof. Instead of cationic starch, gum arabic, urea, polyethylenimine or alum can be used.
Patent GB-827888-A (GB)
Title: Improvements in or relating to the production of ingots
Inventor: CHERRY GEORGE JOSEPH NALL
IPC: B22D29/04
Filed: 1957-03-06
Abstract: 827,888. Extracting ingots. FOUNDRY SERVICES Ltd. Feb. 19, 1958 [March 6, 1957], No. 7507/57. Class 83 (1). A method of facilitating the removal of an ingot from a mould comprises welding to, or embedding, in the head of the ingot, a metalextension member whereby the ingot can be lifted. The extension may be a bar projected at high speed into the top of the ingot by pneumatic, hydraulic or explosive means. Specifications 627,678, 769,719, 772,273, 774,490, 774,491 and 775,380, [all in Group II], are referred to.
Patent GB-458177-A (GB)
Title: Improvements in and relating to apparatus for the digestion of sewage sludge and like organic matter
IPC: C02F3/28
Filed: 1935-03-12
Abstract: 458,177. Treating sewage. DORR-OLIVER CO., Ltd., Abford House, Wilton Road, Westminster, and GIBBS, R. C., Ash House, Garrard Road, Banstead, Surrey. March 12, 1935, No. 7711. [Class 111] A closed sludge-digestion tank is fitted with a spaced series of heating elements which are moved in horizontal paths. The tank 2 has an annular gasometer cover 37 with a flange 39 at the inner periphery where it encircles a pier 11 which supports rotary sludge scrapers 55 and heating coils 60 serving also to stir the contents of the tank. Sludge is supplied to the tank from a chamber 15 through an upturned pipe 18 and supernatant liquid leaves over a weir 4 and through a chamber 23. The sludge scrapers and heating coils are attached to a drum or cage 33, the upper end of which is supported on a race-way on a ring 32, carried by a platform 27 on the upper end of the pier 11, and driven by reducing gear 29 and an internal annular gear 31 from a motor 28 on the platform. Heating fluid is supplied to and discharged from the coils 60 by stationary pipes 72, 77 which pass vertically within the cage 33 and are connected respectively to chambers 73, 75 in a rotary casing 74, which chambers are connected by pipes 78, 80 to the ends of the coils. The coils are arranged vertically between and attached to lower arms 46, which carry the scrapers 55, and upper arms 45 with upwardly projecting fingers 48. The fingers 48 in rotating pass between stationary fingers 52 supported from the wall of the tank and the arrangement serves for breaking up scum. The inner flange 39 of the cover dips into sealing liquid in an annular cup 35 attached to the cage 33. Gas is discharged from under the cover 37 through a pipe 26. The outer surface of the outer flanged portion 38 of the cover 37 may be provided with inclined grooved guideways 91 in which rollers, supported from the wall of the tank, engage so as to keep the cover level as it rises or falls. Modified apparatus is described in which the chambers 73, 75 are formed in a part which rotates around a hollow upward extension of the pier 11. Reference is made to Specification 403,878, and, in the Provisional Specification, to Specification 388,250.
Patent GB-1346867-A (GB)
Title: 2-substituted-5,6-dihydro-4h-1,3-thiazines and 2-thiazolines for  the control of rice blast
IPC: A01N43/86
Filed: 1972-02-18
Abstract: 1346867 Thiazine and thiazoline derivatives PFIZER Inc 18 Feb 1972 [30 Nov 1971] 7749/72 Heading C2C Novel 2-(substituted)-5,6-dihydro-4H-1,3-thiazines and 2-(substituted)-2-thiazolines having the general formula and the non-phytotoxic acid addition salts thereof, wherein X and Y are chloro or fluoro and Z is ethylene or trimethylene, are prepared by condensing an aldehyde with 2-methyl-2 imidazoline or 5,6-dihydro-2-methyl-4H-1,3- thiazine at a temperature of from 50‹ to 150‹ C. with removal of the by-product water, and optionally converting the resulting product into a salt thereof. The novel compounds are useful as anti-fungal agents on rice plants.
Patent GB-396483-A (GB)
Title: Improvements in and relating to memorandum and like pads and books
IPC: B42D5/00
Filed: 1932-03-16
Abstract: 396,483. Memorandum pads ; facilitating writing. KAY, P. D., 44, The Grove, Somerville, Wallasey, Cheshire. March 16, 1932, No. 7770. [Classes 16 and 146 (ii).] A memorandum or like pad comprises a back sheet 1, a number of individually detachable sheets 2 secured by one edge to the back sheet, and a writing board A flexibly secured to the back sheet along an edge at right-angles to the edge where the sheets are attached so that it can be inserted behind any of the sheets. The board A may consist of a piece of cardboard, strawboard, &c., and is attached by a fabric hinge B to the back sheet 1 ; horizontal lines and columns may be pointed on the upper surface of the board to show through and facilitate entries on the top sheet of the pad, and the under surface of the board may have blotting-paper secured thereto. The sheets 2 are secured to a flexible fabric extension on the back 1, and a cover 3 is also secured to the extension.
Patent GB-536800-A (GB)
Title: Improvements in or relating to the manufacture of frictional elements
IPC: F16D69/02
Filed: 1939-03-10
Abstract: 536,800. Resinous condensation products. STEVENS, A. H. (Harvel Research Corporation.) March 10, 1939, No. 7796. [Class 2 (iii)] Frictional elements, e.g. brakes, clutches, belting, pulley, facings, tyre treads &c., comprise, as frictional material, cashew nut shell liquid and/or ethers, esters, hydrogenation or decarboxylation products of cashew nut shell liquid, which have been modified to the dry, hard and infusible state, i.e. by condensation with aldehydes or by vulcanization, or both. The modified product may replace, wholly or partly, conventional friction materials, e.g. rubber. Preferably the cashew nut shell liquid or derivative is first converted to a viscous or ropy liquid, e.g. by polymerization by means of sulphuric acid, zinc chloride or aluminium chloride ; alternatively the product obtained by distilling cashew nut shell liquid under a low pressure may be employed. Modification to the dry, hard and infusible state is effected by condensation of the initial product with an aldehyde or aldehyde derivative, e.g. formaldehyde, paraformaldehyde, furfuraldehyde or hexamethylene tetramine, or by vulcanizing with sulphur. In examples (1) a brake band fabricated of metal and asbestos has applied thereto a sheeted product formed by working up thickened cashew nut shell liquid with rubber, sulphur, barytes and china wood oil. (2) the rubber and thickened liquid of (1) are worked together on mixing rolls together with hexamethylene tetramine before adding the other ingredients ; (3) brake bands are made by immersing cotton &c. bands in a mixture of thickened cashew nut shell liquid and a syrupy cresolformaldehyde condensation product; (4) a brake block is moulded from a mixture of a rubber-like product (obtained by curing the thickened cashew nut shell liquid product at 26‹-285‹ F.), rubber, asbestos and lead or copper wire; (5) the thickened product is modified to the hard, dry and infusible state by mixing with paraformaldehyde or hexamethylene tetramine ground to dust and milled with rubber, asbestos &c. moulded or pressed to shape and cured ; (6) a thin coat for belting is obtained by mixing together the thickened product, rubber, litharge, carbon, sulphur and triethanolamine, the mixture being applied to the belt by calendering and cured ; (7) and (8) a mixture of the thickened product and cresylic acid are reacted with formaldehyde to obtain a syrupy resin which, after removal of water, is worked up with rubber and fillers to form brake bands and clutch facings. Reference has been directed by the Comptroller to Specification 481,960.
Patent GB-556032-A (GB)
Title: Improvements in scraping tools
IPC: B08B1/00
Filed: 1942-06-08
Abstract: 556,032. Scrapers. SKARSTEN, A. (Abrahamsen, A. W.). June 8, 1942, No. 7814. [Class 61 (ii)] A scraper comprises a plate 4 having two pairs of oppositely disposed bent-up scraping edges or flanges, the flanges 7, 9 being corrugated and ground at an angle providing serrated cutting edges 11, 12 suitable for rough scraping and the plain flanges 8, 10 ground at an angle providing edges suitable for a finishing cut. The blade is secured in a recess 3 at the end of the handle 2 in position to bring any edge into cutting position by a single screw and nut.
Patent GB-1020473-A (GB)
Title: Improvements in and relating to stabilization
IPC: C08K3/32
Filed: 1963-02-27
Abstract: Polyvinyl alcohol prepared by alkaline hydrolysis is stabilized by neutralizing the polyvinyl ester hydrolysate from which it is produced with phosphoric acid and washing the resin with an organic liquid selected from methanol, ethanol, methyl acetate, ethyl acetate and acetone.  Specified polyvinyl ester starting materials are polymers and copolymers of vinyl acetate, propionate, butyrate, hexoate and benzoate and copolymers thereof with other vinyl esters such as vinyl stearate, vinyl halides, acrylic and methacrylic acids and esters, and olefins.  Examples describe the neutralization with phosphoric acid of (1 to 3, 5 and 7) polyvinyl acetate hydrolysed with sodium hydroxide in methanol with (3) methyl acetate; and (4) a vinyl acetate-vinyl chloride copolymer hydrolysed with sodium hydroxide in methanol; the products being washed with methanol.
Patent GB-546791-A (GB)
Title: Improvements in or relating to electric limit switches
IPC: H01H19/18
Filed: 1941-06-23
Abstract: 546,791. Actuating switches. KING, Ltd., G. W., and. KING, D. M. June 23, 1941, No. 7890. [Class 38 (v)] A limit switch is operated by a motor driven rotating member, such as a shaft 13 within a fixed housing 16 supporting a pair or pairs of plates 25, 28 each with contacts 26, 29 respectively, the plates being urged together by springs 30 and separated to break the motor circuit by a member 22 moved axially by the rotating member. In the example, described as for causing the reversal of the motor driving the shaft 13, the rotating member is screwed and the operating member 22 is a nut thereon, with side wings 23 sliding in slots 24 in the housing 16. The housing is screwed externally and two inspecting plates 25 are secured thereon by lock nuts 37. Co-acting plates 28 have internal lugs 33 which also slide within the slots 24 of the housing, extending far enough in to be moved, and consequently the plate 28 and contact 29, away from the associated plate 25 and contact 26 at each limit of travel forth and back by the wings 23 on the actuating member 22.
Patent GB-1410579-A (GB)
Title: Manufacture of glucose isomerase and conversion of glucose to  fructose
IPC: C12N9/92
Filed: 1974-02-21
Abstract: 1410579 Glucose isomerase ex Streptomyces glaucescens L GIVAUDAN & CIE SA 21 Feb 1974 [22 Feb 1973] 7935/74 Heading C3H [Also in Division C2] Glucose isomerase is obtained by cultivating microorganisms of the species Streptomyces glaucescens in a nutrient medium and isolating the glucose isomerase therefrom. Preferably the strain S. glaucescens ETH 22794 is used. The enzyme is used to convert glucose to fructose (see Division C2).
Patent GB-754374-A (GB)
Title: Die casting and injection moulding machines
Inventor: SMITH STANLEY
IPC: B29C45/53
Filed: 1954-03-19
Abstract: 754,374. Dashpots. E.M.B. CO., Ltd. Feb. 8, 1955 [March 19, 1954], No. 8044/54. Addition to 710,679. Class 108 (3). In a modification of hydraulic control means as claimed in the parent Specification, the cylinder h consists of an angularly adjustable sleeve h<SP>1</SP> having a plurality of ports 5, any one of which can be put into communication with the by-pass j by angular movement of the sleeve, and an additional valve 7 (Fig. 2) for controlling the rate of flow through the by-pass j. The sleeve h is rotatable by the action of a worm 3 meshing with a worm wheel 4 formed on the end of the sleeve h. The ports 5 can thus be rotated symmetrically into register with an axial extension 6 of the intermediate port m. The valve 7 is controllable by manipulation of a handle 8 to vary the area of the flow path from the by-pass j to the reservoir i.
Patent GB-730639-A (GB)
Title: Improvements in or relating to the production of photo-mechanical printing plates
IPC: G03F7/16
Filed: 1951-04-09
Abstract: 730,639. Photo-mechanical printing-plates. COLES, D. H. July 9, 1952 [April 9, 1951], No. 8169/51. Class 98 (2). An image is produced non-photographically on the face of the tissue of a sheet of duplex paper having such tissue removably secured to a heavier backing sheet, the tissue is fixed to the face of a carrier sheet as of baryta paper, the backing sheet is removed, the tissue is placed in contact with a light-sensitized plate, exposure is effected through the carrier and the tissue, and after removal thereof the plate is processed to form a printing plate. The method avoids need for producing a laterally reversed image in the first instance and avoids the use of a camera and dark room. In an example a pull is taken from a letterpress plate on to the tissue, dusted with lampblack to increase opacity of the image so produced, and the tissue is fixed to the carrier sheet by adhesive or by use of tissue with heat or pressure sensitive properties. The backing sheet is removed from the tissue and the carrier is rendered translucent with medicinal paraffin. Printing is effected on to an aluminium plate sensitized with guin arabic and ammonium bichromate and the plate is afterwards developed with a calcium chloride-lactic acid developer, etched briefly with a solution comprising calcium, zinc, iron and hydrogen chlorides, washed with industrial spirit, dried, treated with a specified lacquer base and then french chalk, after which the gum stencil is removed with warm water, lithographic ink applied, and the plate is finally gummed with gum arabic. Series of plates for reproducing coloured images may be made similarly as by use of letter-press colour blocks to form images .on the tissues of duplex papers. Type or drawing may be added to an existing image by use of a glass or film bearing a laterally reversed positive image. The method can be used to produce photogravure or letterpress plates. The invention facilitates storage of originals, as by initial preparation of duplicate sets of duplex papers carrying the images, orby preparing such duplicates from printing plates made from a single image-carrying duplex paper.