baber/WOPTO huggingface dataset:
Patent GB-708728-A (GB)
Title: Improvements in and relating to the electrode construction of electroscopes
Inventor: HENDERSON RONALD PATERSON
IPC: H01J47/04
Filed: 1951-05-02
Abstract: 708,728. Discharge apparatus. BRITISH OPTICAL .& PRECISION ENGINEERS, Ltd., and MINISTER OF SUPPLY. July 15, 1952 [May 2, 1951], No. 10351/51. Class 39(1) [Also in Group XXXVI] Between the outer casing of an electroscope and the collector electrode, which forms the wall of an ionization chamber, is a body of solid dielectric material. Fig. 1 shows a portable electroscope used to indicate an X-ray dosage or an amount of gamma-radiation to which the person carrying the instrument has been subjected. The electroscope. comprises a metal case 4, Fig. 1, within which is a quartz fibre electrode assembly 5 maintained at the potential of the case by mounting it on the end of a viewing microscope tube 6. The fibre electrode is located in an ionization chamber 12 formed by an insulated collector electrode 1, which consists of a thin metal cylinder spaced from the case 4 by dielectric material 2 such as polystyrene moulded to the electrode 1. The ends 13, 14 of the dielectric material 2 are formed with grooves 15, 16 to increase the length of the surface leakage paths. In a modification, Fig. 2, the capacitance of the collector electrode 1 to earth is increased by forming the electrode assembly of three parts moulded together, viz. the collector electrode 1, encasing dielectric material 2, and an earthed metal casing 17 surrounding the dielectric material and bent inwards to form an inner cylinder which is shorter than the outer cylinder so as to form the ionization chamber 12. This assembly is mounted so that the outside of the metal casing 17 is in contact with the inside of the outer casing 4 and is thereby maintained at the same potential. The electrode 1 may be closed by a top part 18, Fig. 3, covered by the dielectric material. A small portion 19 of the top 18 is cut out to form a window to admit light, and a small portion 20 of the dielectric material 2 is removed to permit the charge to be applied to the electrode 1. In a modification, Fig. 5, the assembly is made in two parts, A, B, fitting over one another. The part A forms a removable top cap and comprises the upper part 18 of the electrode 1 and the top of the outer cylinder of the metal casing 17. This fits over the part B which comprises the tubular part of the electrode 1 and the lower portion of the casing 17 and dielectric material 2.
Patent GB-277247-A (GB)
Title: Improvements in air heaters
IPC: F23M20/00
Filed: 1927-04-19
Abstract: 277,247. VÚrel, J. T. R. April 19, 1927. Heating air. - An air heater comprises a chamber between two walls of which a series of tubes extend, each having two opposite sides of flattened form, the walls being apertured to correspond with the ends of the tubes, and a flue leading from a furnace. Either the hot gases or the air may pass through the tubes, the other gas passing outside the tubes in approximately stream line flow. The tubes 8 may be arranged with their long axes parallel or as shown in the Figure.
Patent GB-527200-A (GB)
Title: Improvements relating to window frames
IPC: E06B3/20
Filed: 1939-04-04
Abstract: 527,200. Window frames. SLEIGH, H. L., and CHESTON, A. S. April 4, 1939, No. 10439. [Class 20 (iii)] A window frame for either vehicles or buildings comprises separate corner and side-pieces A, B, respectively, of non-metallic plastic mouldable material, socketed or otherwise jointed together. The cross - section of the frame is such as to permit of glazing after assembly of the frame parts, and the glass may be secured in position by any usual means, or by rubber glazing strips of the kind described in Specifications 442,552, 498,732, 503,308 and 505,960. One form of joint is shown in Figs. 8 and 9. A .sheet-metal dowel 6 of cross-sectional shape similar to that of the frame is moulded in the end of the corner-piece A and a corresponding socket 12 is formed in the side-piece B. The joint is fixed by rivets. Other forms of joints and of frame cross-sections are described. T-shaped corner-pieces are used in multiplewindow frames.
Patent GB-278271-A (GB)
Title: Improvements in or relating to diaphragms for sound reproducers
IPC: H04R7/12
Filed: 1927-04-19
Abstract: 278,271. Brandes Laboratories, Inc., (Assignees of Brown, R. lc M.). March 4, 1927, [Convention date]. Diaphragms; loud-speakers.- A sound-reproducing diaphragm, preferably conical, is damped by a wrapper or ring of cloth which extends loosely preferably over at least one-half of the surface of the diaphragm. The conical diaphragm 6, Fig. 6, connected by a flexible member 8 to a frame 9, has a sheet of loose woven fabric 11 wrapped round it, the sheet being attached to the cone at its outer periphery 12, In the modified arrangement. Fig. 8, the member 8 is dispensed with, the fabric sheet 14 being secured throughout an annular portion 15 of the peripheral edge 7 of the cone and extending outwardy through a flexible portion 10 to the frame 9. Fig. 1 shows a construction of loud-speaker in which the frame 9 is mounted on a vertical member 10 connected with a base 1. The base 1 carries a standard 2 on which is mounted an electromagnetic driver 3, the armature 4 of which is connected by a link 5 with the apex of the diaphragm 6.
Patent GB-170547-A (GB)
Title: Improvements in transformers for high voltages
IPC: H01F27/36
Filed: 1921-04-11
Abstract: 170,547. Haefely et Cie, Akt.-Ges., E. Oct. 16, 1920, [Convention date]. Transformers. - In a highvoltage transformer having coaxial windings, a hollow insulating-cylinder c surrounding the low-voltage winding a is separated from a larger cylinder g surrounded by the high-voltage winding h by an air jacket f of such dimensions that stratified or streamer discharges only can occur in the high-tension electric field. The cylinder c is provided with an earthed metal lining d, and the cylinder g carries a metal discharge ring i near the high-voltage end of the winding h, and an end ring p connected to the iron core b. The coils of highest voltage of the winding h are protected by a conducting-ring k with internal insulation m. In order to remove electric stresses between the winding h and the cylinder g, each coil of the winding may be electrically connected to a metal ring r on the cylinder. Specification 17528/14, [Class 36, Electricity, Conducting &c.], is referred to. The Specification, as open to inspection under Sect. 91 (3) (a), states also that one or more intermediate insulating-cylinders provided with conducting sheaths connected to points of the winding h may be provided in the air jacket f in order to give any desired radial distribution of potential in the air jacket. This subject-matter does not appear in the Specification as accepted.
Patent GB-196613-A (GB)
Title: Electrical regulating resistance
Filed: 1923-04-18
Abstract: 196,613. Linse, N. R. April 18, 1922, [Convention date]. Void [Published under Sect. 91 of the Act]. Regulating switches.-A switch for varying resistance or impedance in finely divided steps comprises a coarsely divided resistance or impedance 1 having contact studs at its points of division traversed by brushes 4, 5 on a rotatable member 3, and a finely divided resistance &c. 10 traversed by a contact brush on a rotatable member 9. Each complete rotation of the member 9 moves the member 3 one step, and the electric connections are such that the finely divided resistance is repeatedly switched in parallel with, and gradually varied between successive steps of, the coarsely divided resistance.
Patent GB-897052-A (GB)
Title: Improvements in and relating to n-heterocyclic compounds
Filed: 1960-03-25
Abstract: The invention comprises 1-oxo-1,2,6,7-tetrahydroindolo [1.7a.7-a.b] benzo [f]azepines of the general formula <FORM:0897052/IV (b)/1> (wherein R represents hydrogen or a C1-4 alkyl radical), and the preparation thereof by condensing a compound of the general formula <FORM:0897052/IV (b)/2> (wherein Hal represents chlorine or bromine) with a Friedel-Crafts condensing agent.  The products are useful as starting materials for the synthesis of pharmaceutical compounds.  5 - (a  - Bromobutyryl) - and 5 - (a  - bromopropionyl)-iminodibenzyl are prepared by reacting iminodibenzyl with a -bromobutyryl bromide and a -bromopropionyl bromide respectively.
Patent GB-106549-A (GB)
IPC: F26B9/06
Abstract: 106,549. Hewett, F. July 3, 1916. Chambers.-Relates to drying-apparatus in which trays with perforated bottoms are used, and consists in constructing the trays so as to cause the air to take a defined course through each tray. Fig. II. shows, in section, a single tray consisting of sides a connected by cross-bars b, c disposed at different levels, so as to leave air passages d, e below and above the gauze bottom F respectively. The gauze may be placed as shown in dotted lines at M. The air currents may be made to pass either upwards or downwards through the gauze, either by changing the direction of flow or by reversing the trays. A cover or deflector L is fitted above the gauze, and a metal plate W may be used to direct the air into the passage lid. The bar b may be inclined to act as a deflector, and the cover L may be fitted with a perforated corrugated metal sheet on its underside to collect condensed moisture. The trays may be arranged to slide on guides I, Fig. I., arranged on the side walls of a casing in which air passes upwards into a distributor B and thence to the place D and through the trays to the flue J. The trays fit against an inclined stop-rail Q and can be reversed. A top board H closes the inlet flue D. A double apparatus may be formed by arranging two tiers of trays back to back. In another arrangement, the trays are arranged directly one above the other, and such an apparatus may be made with two tiers of trays communicating with a common central flue. When the trays are mounted on runners, these may be arranged at an inclination instead of horizontally. The covers or deflectors may be arranged to slide on guides independently of the trays.
Patent GB-1135112-A (GB)
Title: Linear condensation polymers
Inventor: REYNOLDS DELBERT DANIEL
IPC: C08G75/00
Filed: 1966-03-11
Abstract: 1,135,112. Photographic silver halide emulsions. EASTMAN KODAK CO. March 11, 1966 [March 15, 1965], No.10722/66. Heading G2C. [Also in Division C3] Unquaternized polymers of formulae where m is 2 to 14, n is 20 to 5, 000, R<SP>2</SP> is an alkyl group of 1 to 10 carbon atoms, and R is a group of formula where m and R<SP>2</SP> are as above, d is 1 or 2 and A is oxygen or sulphur, are added to photographic gelatino-silver halide emulsions as hardeners, and polymers as above which have been quaternized by reaction with compounds of formula R X, where R<SP>2</SP> is as above and X is an acid anion, are added to photographic gelatino-silver halide emulsions as sensitizers. In Examples quaternized and unquaternized polymers of the above formulae are added to silver bromoiodide emulsions containing a cyanine dye as a panchromatic sensitizer, and the emulsions are coated on cellulose acetate film supports.
Patent GB-610293-A (GB)
Title: Improvements in or relating to the manufacture of alkyl benzene peroxides
IPC: C07C409/10
Filed: 1946-04-08
Abstract: Peroxides of alkylbenzene hydrocarbons in which the substituents are one or more alkyl groups at least one of which has a tertiary carbon atom in the alpha position to the benzene ring are prepared by oxidising a dispersion or an emulsion in an aqueous continuous phase of such an alkyl benzene hydrocarbon, or mixtures thereof by intimate contact thereof with molecular oxygen at an elevated temperature, e.g. pure oxygen may be used, and the reaction may be effected at a temperature near to but below the boiling point of the alkylbenzene hydrocarbon-water azeotrope at the prevailing pressure.  By peroxide is meant a peroxide and/or a hydroperoxide.  The aqueous continuous phase may contain an emulsifying agent and may be maintained between a pH of 7 and 11, e.g. by the addition of small quantities of an alkali metal hydroxide or carbonate.  The alkylbenzene hydrocarbon may be subjected to a preliminary purification process prior to the oxidation, e.g. by washing with an aqueous solution of sodium bisulphite or potassium permanganate.  The reaction may be terminated when from about 1/3 to 1/5 of the said hydrocarbon is oxidized and unreacted hydrocarbon may be added to a subsequent reaction.  The peroxides may be isolated by breaking the emulsion, separating the oily layer from the aqueous layer, and recovering the peroxides such as by distilling off unreacted hydrocarbon, e.g. in vacuo, or hydroperoxides are recovered in the form of their salts, from which the hydroperoxides may be obtained by the addition of acid, by treating the oily layer with a concentrated aqueous alkaline solution, or the reaction mixture may be treated with an excess of a dilute aqueous solution of an alkali metal hydroxide.  The aqueous layer separated and acidified with a weak acid, e.g. carbonic acid. In examples, isopropyl benzene hydroperoxide is prepared from isopropyl benzene; cymene hydroperoxide from a mixture of cymenes; and sec: butyltoluene hydroperoxide from a mixture of secondary butyl toluenes.
Patent GB-1393433-A (GB)
Title: Recording material
IPC: G11B5/633
Filed: 1972-03-08
Abstract: 1393433 Magnetic records EASTMAN KODAK CO 8 March 1972 [8 March 1971 28 Jan 1972] 10764/72 Heading G5R [Also in Division G2 and B2] A photographic product e.g. for cinematography comprises at least one support and (i) a layer containing a granular silver image which has been produced by imagewise exposing and developing a photosensitive silver halide emulsion layer and (ii) a magnetic recording layer which is a different layer from the support and silver image layer or is combined with either and which contains magnetisable particles, e.g. gamma ferric oxide CrO 2  or particles of Fe, Ni or Co distributed across at least the silver image area, the concentration and distribution of the particles being such that the RMS value of the granularity of the product is less than four times the RMS value of the granularity of the silver image alone, In photographic materials for making such a product the magnetic layer, when not contained in the support or emulsion may be coated over or under the emulsion layer, or on the opposite side of the support to the emulsion layer. In an alternative embodiment the product is made by placing together one support carrying a developed silver image and another carrying the magnetic layer. The magnetic particles preferably have a grain size distribution of less than 1 micron, and the silver halide in the emulsion preferably has an average grain size of 0À8 microns and a silver coverage of 50 mg/dm<SP>2</SP>.
Patent GB-823551-A (GB)
Title: Improvements in or relating to the heating of glass
Inventor: ATKESON FLORIAN VICTOR
IPC: C03B29/10
Filed: 1956-04-10
Abstract: 823,551. Electric furnaces. PITTSBURGH PLATE GLASS CO. April 10, 1956, No. 10878/56. Drawings to Specification. Class 39(3) [Also in Group XXXV] In a furnace or lehr for heating glass comprising electrical heating elements on areas of the walls the radiant energy emitted from the areas of the walls is maintained between predetermined limits by a radiation measuring device which controls the current in the elements. Furnaces are shown for tempering a sheet of glass suspended from an overhead track and for bending and annealing sheet glass for windscreens. In the latter, moulds are carried on trucks and different degrees of heating are provided in different sections of the furnace. A number of thermosensitive devices are aimed respectively at different wall areas to control the amount of heat supplied to a predetermined area of glass. The determination of the optimum wall temperature for maximum absorption and uniform heating by optical testing is also described.
Patent GB-148646-A (GB)
Title: Improvements in apparatus for automatically stamping and postmarking letters and the like
IPC: G07F17/26
Filed: 1919-05-02
Abstract: 148,646. Stokes, G. E. May 2, 1919. Postmarking and stamp-cancelling machines.- Relates to coin-freed apparatus for stamping and postmarking letters and the like. When a coin is inserted at the slot F, a carrier B may be drawn cut by means of a handle L. The letter is inserted at A and the carrier pushed in. During the movement of the carrier a spring I is released to act on a table G, pivoted at H. The table thereupon rises. Normally, the carrier is held by a pivoted catch which is disengaged upon the descent of the coin in the chute E. An ink-pad a is withdrawn from a die carrier Q by means of cords V, when the carrier B moves forward. At the same time an arm Z engages a lever X and depresses the carrier Q. A rack 11 carried by the carrier B moves with the latter and turns a reel 10 to wind up a tape 4 passing from a reel 5 over the stamp roll 2 and between guide rollers 6, 9 and over a moistening roller 7. A stamp strip is thus fed forwards to a position above the envelope which is now on the table G. When the carrier Q descends, the end stamp is severed by a cutter 17 and is pressed upon the envelope by the dies. A spring K finally pulls back the carrier B until caught by the catch. When the carrier B is pulled out on the posting of another letter, the table G falls and delivers the first letter to a receptacle beneath.
Patent GB-721091-A (GB)
Title: Improved method of making a wheel
Inventor: SYLVESTER EDMUND QUINCY
IPC: B23K7/00
Filed: 1952-07-30
Abstract: 721,091. Making wheels. GRIFFIN WHEEL CO. July 30, 1952, No. 10944/53. Divided out of 721,059. Classes 83 (2) and 83 (4). Dividing by fusion.-A wheel is made by forming a solid casting and then flame cutting an axle hole. The casting 4 with the sprue 6 is placed on a table 2 while still hot and a hole 10 cut through the hub portion and sprue with an oxy-acetylene lance 8. The casting is then allowed to cool to about 1400‹ F. and by rotating the table, the lance is used to cut a cylindrical axle hole 14, this operation also removing the sprue.
Patent GB-435978-A (GB)
Title: An improved process for making baked goods for diabetics
IPC: A21D2/38
Filed: 1935-04-09
Abstract: Baked goods poor in carbohydrates for the use of diabetics are prepared by treating wheat or rye germs, which have been freed from oil, first for one day at about 30 DEG  C. and then for several days at room temperature, with yeast and lactic acid, mixing the product with fresh germs and fermenting again for several hours with yeast, adding further germs and yeast and fermenting again, and finally working up to the baked goods.  The germs may be made into a dough with water and the yeast, and the lactic acid with diastase and soluble starch added and the fermentation effected. The second fermentation may be at 30 DEG  C. for 5 hours, the dough being beaten as frequently as possible; sodium chloride may be incorporated therein besides the additional germs and yeast.  The third fermentation may be for 30-50 minutes.  The finished dough has a little highly ground rye meal worked into it, and is rolled out to 3 mm. thickness and stamped out into discs which are baked in a cold oven, at about 180 DEG  C., for at least 90 minutes.ALSO:Wheat or rye germs are freed from oil and treated first for one day at 30 DEG  C. and then for several days at room temperature with yeast and lactic acid, the product is mixed with fresh germs and fermented again with yeast for several hours, further germs and yeast are then added and the product again fermented after which it is worked up into baked goods.  The germs may be made into a dough with water and the yeast, and the lactic acid with diastase and soluble starch added and the fermentation effected.  The second fermentation may be at 30 DEG  C. for 5 hours, the dough being beaten as frequently as possible and sodium chloride may be incorporated therein besides the additional germs and yeast.  The third fermentation may be for 30-50 minutes.
Patent GB-614554-A (GB)
Title: Improvements in and relating to gas-heated apparatus for drying and airing towels, linen and other articles
IPC: D06F57/00
Filed: 1946-04-10
Abstract: 614,554. Clothes &c. airers. FRIEDMANATHILL, Ltd., ATHILL, L. C. H., and FRIEDMAN, H. April 10, 1946, No. 11017. [Class 52 (v)] A drying and airing rack for towels, linen and the like comprises crossbars 7 supported on two hollow uprights 6 between which is a gas-heated radiator and which may be secured to a wall by stays 7a. The radiator comprises a U-shaped member 8 open at the bottom and perforated at 9 near the top within which is a closed U-shaped member 10 containing a baffle plate 15 above a gas burner 13 near which is an air hole 12. Combustion products from the burner 13 escape into the uprights 6 through holes 11 and leave the uprights at vents 17. In a modification the combustion products can only escape into one upright 6 from which they pass to the other upright through a horizontal tube 18 only the latter upright being provided with vents 17.
Patent GB-161918-A (GB)
Title: Improvements in and relating to gas retorts
IPC: C10J3/34
Filed: 1921-04-15
Abstract: 161,918. Wood, H. April 15, 1920, [Convention date]. Retort furnaces; discharging. - An apparatus for use in gas manufacture comprises an upwardly-tapering vertical retort 10 of rectangular cross-section surrounded by heating-flues 19 formed by horizontal partitions having openings alternately at opposite sides, the lowermost flues being in communication with a water-gas generator 12, into which the coke from the retort passes. Burners 53 provide an auxiliary or alternative means for heating the retort. The generator communicates with the heating-flues through a dampered passage 15 between a partition 14 and an outer wall of the setting; and an off-take 54 is provided so that the gases produced on the air run of the generator can be passed to a boiler and the stack instead of through the heating-flues. The ash-discharger of the generator consists of toothed discs mounted on parallel shafts, which can be rotated mechanically or from a hand-wheel 18. Cleaning-openings are provided in connection with the heating-flues.
Patent GB-690622-A (GB)
Title: Improvements in and relating to fastenings
Inventor: CHESWORTH WILLIAM EDWIN
IPC: F16B19/10
Filed: 1950-05-04
Abstract: 690,622. Internal clamps. NATIONAL RESEARCH DEVELOPMENT CORPORATION. May 4, 1951 [May 4, 1950], No. 11082/50. Class 44 A 'anchorage comprises an expansible sleeve 12 of a resilient material, e.g. rubber and a shank 11 slidable within the sleeve and having a conical head 13 the arrangement being such that the sleeve may be passed through an aperture in a support 16 and expanded by outward movement of the shank to form a retaining head as shown in Fig. 2. The sleeve may be released by inward movement of the shank. A flange 15 prevents the sleeve passing wholly through the aperture. The device may be used to fasten two plates together. Specifications 433,038 and 622,288 are referred to.