baber/WOPTO huggingface dataset:
Patent GB-578547-A (GB)
Title: Improvements in rotary automatic machines for heating articles by electric induction
IPC: H05B6/06
Filed: 1939-08-17
Abstract: 578,547. Electric induction furnaces. VIRY, P. Aug. 17, 1939, No. 23783. Convention date, Oct. 20, 1938. [Class 39 (iii)] In a rotary induction heating machine of the kind described in Specifications 302,234 and 302,235, [both in Class 39 (iii)], furnaces A<1>,A<6> thereof are not maintained permanently under voltage but the current is interrupted for a desired period successively at each furnace during the rotation of the machine. One terminal of each furnace is connected to a brush b<1>, b<6> moving with the furnace and bearing on a stationary sector C while the other terminals are connected to a common brush B bearing against a ring D, the ring and the sector being connected through a switch to the alternator E supplying the heating current. The furnaces may be connected to stationary brushes bearing on sectors and a ring which rotate with the furnaces. To prevent sparking between the brushes and the ends of the sectors, the current to a furnace brought into or taken out of operation may be automatically interrupted by a switch. The circuits may be opened through resistances with a high positive temperature coefficient and closed through resistances with a negative temperature coefficient.
Patent GB-319116-A (GB)
Title: Improvements appertaining to weather-bars or draught excluders for doors and hinged windows
IPC: E06B7/20
Filed: 1928-08-18
Abstract: 319,116. Holmes, R., and Holmes, W. Aug. 18, 1928. Draught and weather excluders.-A draught and weather excluder for the bottoms of doors and hinged windows, of the kind comprising a vertically sliding strip guided by a slotted bracket and actuated by a epring-controlled sliding rod a and links, is characterized by means adapting it for use on the inside as well as the outside of the door or the like. When mounted inside the door, the rod a has secured thereto a bent piece d housed in a recess in the door and adapted to engage the jamb, and operate the strip as the door is being closed. Specification 1484/88 is referred to.
Patent GB-259207-A (GB)
Title: Improvements in horns for sound reproducing and like instruments
IPC: G10K13/00
Filed: 1926-09-27
Abstract: 259,207. K³chenmeister, H. J. Oct. 2, 1925, [Convention date]. Sound magnifying and directing appliances. - The sound-conduit a of a sound-reproducing instrument is provided .adjacent to the casing e which supports it with a slide f carrying soundabsorbing material b such as felt between apertured metal plates f, f<1>. Alternatively the sound absorbed may take the form of an iris diaphragm, the leaves of which are constructed in this manner A single external rod d may be used in conjunction with two absorbers, which are independently adjustable by means of internal handles.
Patent GB-204854-A (GB)
Title: Improvements relating to steam turbines
IPC: F01K7/22
Filed: 1922-09-02
Abstract: 204,854. Baumann, K., and Metropolitan-Vickers Electrical Co., Ltd. Sept. 2, 1922. Motor power plant; working-fluid supply; balancing moving parts.-The low-pressure turbines of an installation are subjected to steam of relatively low temperature by placing a reheater only between the stages of the high-pressure turbine, which exhausts directly into the low-pressure turbines. A high-pressure turbine 1 comprises two stages 3, 4 separated by a diaphragm 2. Steam flows from an inlet 6 through the stage 3 and then by way of a pipe 9, a reheater, and a pipe 10 to the stage 4, which discharges through a pipe 13 into the low-pressure turbine 5. For balancing end-thrust, the inlets 7, 11 of the stages 3, 4 may be located either both at the middle or both at the ends. Alternatively, the steam may flow in the same direction in both stages 3, 4. The low-pressure turbine or turbines may be arranged on separate shafts, each driving a generator of similar output.
Patent GB-682286-A (GB)
Title: Process for the preparation of microcrystalline suspensions of hormones, alkaloids and glucosides
IPC: A61K9/00
Filed: 1950-09-29
Abstract: A microcrystalline suspension of a water-insoluble hormone, including an ester thereof, alkaloid, or glucoside, suitable for intramuscular injection, is obtained by dissolving the hormone,, alkaloid or glucoside, in a mixture of a plurality of solvents of different solubilities in water, e.g. a mixture of b -phenoxyethanol, absolute alcohol, and propylene glycol, containing a wetting agent, e.g. the reaction product of ricinoleic acid and ethylene oxide, and bringing this complex solution into contact with an aqueous solution of a compound capable of giving the mixture an increased viscosity, e.g. methyl cellulose, other cellulose derivatives, alginates, or gums, so that a suspension of microcrystals is formed.  The two solutions may be made up in separate ampoules and mixed just before injection.  The example relates to testosterone propionate.
Patent GB-991867-A (GB)
Title: Method of and apparatus for the continuous production of a bar of glass of predetermined profile
Inventor: FORSTER HEINZ
IPC: C03B13/08
Filed: 1962-06-21
Abstract: <PICT:0991867/C1/1> <PICT:0991867/C1/2> A method of continuously producing a bar of glass of predetermined profile comprises collecting in a collecting unit, molten glass issuing from a glass smelting unit, feeding an extruded strip of molten glass from the collecting unit between a pair of shaping rollers, the working surfaces of which are shaped to form the strip to the desired profile, and cooling the strip during rolling to a temperature at which the profiled strip maintains its profile, the head of molten glass in the collecting unit and the outlet of glass therefrom being such that the pressure of and the rate of flow of the molten glass from the collecting unit are respectively substantially uniform. Molten glass 1 is fed from a smelting unit 2 by a feed channel 3 past a shut-off 4 to a heated collecting unit 5 lined with guide blocks 6. The glass 1 then passes through water-cooled peripherally-shaped rollers 9, 10 at which point wire cloth or mesh 18 is introduced. The rollers 9, 10 and guide rollers 13 have a groove or gap 11 (Fig. 3) conforming to the outline of the required bar profile 12.  The formed glass bar, after passing through the rollers 13, enters a cooling furnace 15.  The speed of rotation of the rollers 9, 10 is controlled in accordance with the level of molten glass 1 in the smelting unit 2.  In another embodiment (Fig. 4, not shown), the rollers 9, 10 are transversely profiled.  The collecting unit 5, shaped rollers 9, 10 and guide rollers 13 may comprise a single replaceable unit.  The channel 5 may be divided by guide blocks 6 to lead the glass to adjacent pairs of rollers 9, 10.
Patent GB-277658-A (GB)
Title: Improvements in cork cutting machines
IPC: B27J5/00
Filed: 1927-09-12
Abstract: 277,658. Engestoft, J. Sept. 15, 1926, [Convention date]. Cork, cutting. - The rotating knife 20 is advanced during the cut by a spring 24 urging the slide 22 on which the knife is mounted, and is retracted by a crank pin 9 on a spur wheel 30 mounted on the machine shaft 8, the cork being thus removed in thin shavings. The blanks are cut from sheet by an oscillating knife 39, and picked up between grippers 11, 16 mounted in carriers 9 on the shaft 8, which is indexed by half revolutions, obtained by a spur wheel 7 driven by a spur wheel 6 which has teeth over half its circumference only. During the indexing motion one of the grippers 16 is opened by the action of a cam rail 42. An arm 43, adapted to be struck at each indexing motion, is connected to a counter.
Patent GB-467880-A (GB)
Title: Improvements in the manufacture of carbon paper
IPC: B41M5/10
Filed: 1936-09-02
Abstract: 467,880. Coating webs. BURGMER, J. Sept. 2, 1936, No. 24009. [Class 140] [Also in Group XVI] In the manufacture of carbon paper by coating a thin porous paper web, particularly carbon paper intended to be used for one copy only, any colouring material pressed through to the rear side of the web in the coating operation is taken up and removed by a constantly advancing backing-surface arranged to support the web opposite the coating-roller. The paper web a, Fig. 4, passes from the roll over several guide rollers g, h, i so that it is led twice past the coating-roller k, and serves in the first passage as a backing-surface for removing any colouring material that has been pressedthrough the web. Alternatively, the backing-surface is a separate endless web n, Fig. 5, fed at the same speed as the paper web a, and cleaned by a scraper p delivering into a container q, or into a smaller heated container discharging into a larger container ; the endless web may be replaced by a large cylindrical surface. A leating-device m may be provided behind the backing-surface.
Patent GB-489210-A (GB)
Title: A device for washing sand, ballast, ore and the like
IPC: B03B5/26
Filed: 1937-09-02
Abstract: 489,210. Washing granular materials. KRUPP GRUSONWERK AKT.-GES., F. Sept. 2, 1937, No. 24025. Convention date, Oct. 1, 1936. [Class 82 (ii)] Apparatus for washing sand, ballast, ore, &c. comprises a frame 1 in which are mounted several screening troughs 2. The frame is supported on springs 4 and is given a circular or elliptical oscillatory motion by an eccentric shaft 5 provided with balancing weights 8 or by eccentrically arranged oscillating masses. The material is fed in at one end of the apparatus, which may be inclined, and is washed by water from sprinkler pipes 9, being rolled over in each trough and passed from trough to trough by the oscillatory motion imparted to the apparatus and finally discharged down the shoot 3. Baffle members 13, Fig. 2, which are preferably adjustable both vertically and horizontally, may be provided to retard the passage of the upper layer of material from one trough to the next, and, as shown in Fig. 4, guide member 14 may be provided below the surface of the material to direct the material on to the perforated bottom. The member 14 conforms in shape to the shape of the trough which may be as shown in Fig. 2, as shown in Fig. 4, or semicircular. The Specification as open to inspection under Sect. 91 describes a device in which baffle boards are mounted on the edges of the troughs, gaps being left at alternate ends so that the material passes in a zigzag manner through the apparatus. This subject-matter does not appear in the Specification as accepted.
Patent GB-1301979-A (GB)
IPC: D06F34/28
Filed: 1971-04-19
Abstract: 1301979 Time switches; fluid actuation of switches PHILIPS GLOEILAMPENFABRIEKEN NV 19 April 1971 [18 March 1970] 24043/71 Heading H1N [Also in Division D1] In an automatic cleaning machine having a control device with a main programme carrier 2 driven by an indexing motor 1 and a subprogramme device 3 operative during at least one stage of the main programme, the subprogramme device 3 is arranged to deliver a control signal at set times to energize the indexing motor 1, which is driven by fluid pressure. In Fig. 1, the device 3 is connected by leads 5 to 8 to a drum drive motor of a washing-machine to periodically reverse the drum drive during a heating stage, for example, of the main programme. The device 3, which is driven by a synchronous motor 4, when switch PrCS2 is closed by main cam-shaft 2, periodically supplies a signal through a lead 9 to energize a valve EMV. This connects a pneumatic pressure source 13 to actuate the indexing motor 1, which includes a diaphragm 16, to step the camshaft 2. A sequentially controlled heating stage is provided wherein as cam 26 opens a switch PrCS1, thereby preventing signals from the device 3 actuating the indexing motor, thus stopping the main programme, and the cam 26 closes a switch PrCS3, a tub heater is switched on. When the required water temperature is reached a thermostat closes a switch TCS, energizing the indexing motor which steps the cam-shaft 2 to close the switch PrCS1, open the switch PrCS3 and switch off the heater, the wash programme proceeding normally. In alternative arrangements (Figs. 2, 3, not shown) the indexing motor is actuated by vacuum and water pressure respectively and the device 3 may be a solid state device deriving its time-base from an oscillator or the electric mains.
Patent GB-945234-A (GB)
Title: Machine for manufacturing bottles or similar hollow articles from thermoplastic materials
IPC: B29C49/38
Filed: 1962-06-22
Abstract: 945,234. Blow moulding hollow plastic articles. S.A.S. LAVORAZIONE MATERIE PLASTICHE (L.M.P.) DI. M.I. COLOMBO & CO. June 22, 1962 [April 6, 1962], No. 24091/62. Heading B5A. In a machine for making thin-walled thermoplastic bottles wherein an extrusion head 10 feeds a heated tubular blank between the jaws of a mould, which close to form a hollow, one end of the jaws closing the blank completely while the other end, fitted with rubber pads, presses the blank round a blower tube 42 extending from the extrusion head, after the blank has been inflated to fill the hollow and the mould has been withdrawn from the blower tube, the pressurized blank is pierced to release the pressure before the mould is opened. Fig. 1 shows a series of moulds A, B, C, D mounted on an endless chain 12, and an extrusion head 10 with blower tube 42 projecting. The blower tube is much narrower than the tubular blank T extruded by the head 10 (see Fig. 3). Each mould comprises two jaws A 1 , A 2  which may be cooled and which close on part of the hot blank T<SP>1</SP> (see Fig. 4), enclosing it in a moulding hollow 20, the lower end of the blank closed by clamping jaws 511, 51<SP>11</SP> the upper end pressed round the blower tube 42 by rubber pads 53<SP>1</SP>, 53<SP>11</SP>. As the mould moves away from the extrusion head, the section T<SP>1</SP> of the blank is inflated by compressed air entering through the blower tube, finally T<SP>1</SP> slides off the blower tube, the rubber pads close the hole, as in the lower half of Fig. 4, and the pressure within the formed bottle is retained until the mould on its chain passed a fixed cam 90 (Fig. 1), which causes the section P (Fig. 4), of the bottle to be pierced by a hollow needle 65, immediately prior to the mould being opened.
Patent GB-480870-A (GB)
Title: Improvements in or relating to the case hardening of iron and steel
IPC: C23C8/70
Filed: 1936-09-03
Abstract: Iron or steel articles are case-hardened by heating them, preferably to 1400 DEG  C., in contact with a boron carbon compound preferably B4C, and quenching.  The articles may be embedded in the comminuted carbide in a carburizing pot before the latter is heated and the carbide may be covered with carbonaceous material.  The boron carbide may be produced as described in Specification 415,392, [Group III].
Patent GB-665052-A (GB)
Title: Improvements in electric cartridge fuses
IPC: H01H85/157
Filed: 1949-09-20
Abstract: 665,052. Fusible cut-outs. E.M.P. ELECTRIC Ltd., and MILES, W. W. J. Sept. 20, 1950 [Sept 20, 1949], No. 24167/49. Class 38 (i). To obviate the effects of expansion and contraction on the liquidtightness of a cartridge fuse, the outer container 5 has grooves 17 in which resilient rings 18 are sealed by canneluring covers 15 on the end caps 7 to the container. Preferably the container is narrowed at each end to provide a thread 6 for the end-cap which is secured to the cover at 16 and the fusible element 1 on a ceramic carrier 2 is connected at one end to a sleeve 3 which is engaged by a boss 9 on a conducting disc 8 inserted between the container and an end-cap 7. The disc and the container are separated by a sealing washer 13 which accommodates the radial expansion and contraction of the container. The container is made preferably of oil-resistant resin-fabric and the sealing rings of oil-resistant rubber. The external surface of the container may be rubberized.
Patent GB-261150-A (GB)
Title: Improvements in manufacture of sheet glass
IPC: C03B17/06
Filed: 1925-09-28
Abstract: 261,150. Marks, E. C. R., (Erie Glass Co.). Sept. 28, 1925. Charges, conveying. -- A continuous sheet of glass, made by drawing a flowing stream of glass vertically downwards, is cut into sections, and the sections are fed between slotted guides 94 which are attached to, and project perpendicularly from, the conveyer chains 92 of a lehr 93.
Patent GB-763218-A (GB)
Title: Colchiceine derivatives
Filed: 1954-08-20
Abstract: The invention comprises colchicine derivatives of the formula <FORM:0763218/IV(b)/1> where R and R1 are hydrogen, alkyl or acyl (being the same or different) and R11 is alkyl which may be substituted. These are made by oxidizing the corresponding sulphides (see Specifications 762,706 and 763,217) in a solvent therefor and separating the two stero-isomeric sulphoxides by fractional crystallization or chromatography.  Oxidation may be effected with perphthalic or perbenzoic acid using chloroform as solvent or with aqueous hydrogen peroxide in acetic acid; the excess oxidizing agent is eliminated with alkali, the solvent evaporated and the isomers obtained by crystallization from a suitable solvent, e.g. ethyl acetate.  Alternatively hypochlorite may be used as oxidizing agent and methanol as the solvent.  The reactions described in the abovementioned Specifications may be carried out before or after oxidizing the sulphide group to the sulphoxide.  Examples show the production by direct oxidation of compounds in which R is hydrogen or methyl, R1 is acetyl and R11 is methyl or ethyl.  By reduction with bisulphite the sulphoxide group is converted back to the original sulphide group. Specifications 732,265 and 738,612 also are referred to.ALSO:Compounds of the formula: <FORM:0763218/I/1> where R and R1 are hydrogen, alkyl or acyl (same or different) and R11 is alkyl which may be substituted, are useful for the modification of karyokinesis and the production of polyploids.  Aqueous solutions or suspensions may be applied to the soil, or seeds may be treated with the compounds alone, in a solvent, or on a carrier.
Patent GB-693580-A (GB)
Title: Improvements in sink cabinets
IPC: A47B77/02
Filed: 1950-10-06
Abstract: 693,580. Sinks. LAXTON, W. E., HACKETT, A., and PEAKMAN J. W. Aug. 30, 1951 [Oct. 6, 1950], No. 24412/50. Class 26 In a cabinet 1 for supporting a combined sink and draining board, the top of the cabinet has a drawer opening 3 on each side, so that a drawer can be arranged under the draining board whether this is on the left-or the right-hand side, and a closure panel 8 is provided to close the other opening. The cabinet may also comprise cupboards 4 under the drawers, and shelves 11 for these cupboards, and also runner and kicker rails 5, 6, 7 for the drawer may be made interchangeable for use on either side of the cabinet.
Patent GB-701281-A (GB)
Title: Improvements in the identification of photographic materials
IPC: G03C1/815
Filed: 1951-10-19
Abstract: Photographic material comprises a cellulose ester support bearing one or more silver halide emulsion layers, in which the cellulose ester contains anthracene in an amount of 0.01 to 0.20 per cent. by weight of the cellulose ester.  The film may be identified by inspection under ultraviolet radiation.  Anthracene, either solid or in solution, may be added to the cellulose ester dope used for casting the support.  The ester may be the acetate, propionate, butyrate, acetate-butyrate, or nitrate, and in particular cellulose acetate containing 35 to 44.8 per cent. acetyl, which may be dissolved in acetone.  Anthracene may be added to a solution of cellulose acetate containing 43.0 to 43.5 per cent. acetyl in a solvent mixture composed of 55 to 85 per cent. of methylene chloride, 15 to 5 per cent. of methanol or ethanol, and 30 to 5 per cent. of ethylene chloride.  If the ethylene chloride is replaced by propylene chloride, the methylene chloride can comprise 65 to 90 per cent. of the solvent mixture. The emulsion layer may have a gelatin, synthetic resin (e.g. polyvinyl alcohol), or cellulose ether or ester binder. Specifications 562,019, 627,467, [both in Group XX], 640,730, and 640,731 are referred to.
Patent GB-1073099-A (GB)
Title: Improvements in or relating to electro-chemical gas measuring system
Inventor: WILSON HAYDN
IPC: G01N27/406
Filed: 1965-06-10
Abstract: 1,073,099. Electrophysical measurement. GEORGE KENT Ltd. June 3, 1966 [June 10, 1965], No. 24584/65. Heading G1N. The concentration of oxygen in a high temperature furnace gas is measured in terms of the partial pressure of oxygen in a reference gas using an electrochemical detector in a null circuit. The detector comprises a ceramic tube 10 of lime or magnesia stabilized zirconia acting as a solid electrolyte and having platinum film electrodes X1, X2 exposed to the unknown gas and the reference gas (such as air) inside the tube. As shown the electrodes are connected to a differential amplifier 12 to control an exhaust valve from the ceramic tube and the reference gas is supplied by a compressor 26. Alternatively the exhaust may be connected to a vacuum pump, and the reference gas input is controlled by the differential amplifier Fig. 3 (not shown); and the pressure gauge may register the pressure difference between the unknown gas and the reference gas Fig. 4 (not shown). To measure an unknown gas in a pipe-line, a sample may be circulated through an electrically heated chamber to raise it to the operating temperature of the ceramic detector e. g. 500‹C.
Patent GB-1308574-A (GB)
Title: Process for the manufacture of suspension polyvinyl chloride of porous structure and high bulk density
IPC: C08F14/06
Filed: 1971-04-19
Abstract: 1308574 Porous polyvinyl chloride KNAPSACK AG 19 April 1971 [24 March 1970] 24682/71 Headings C3C and C3P Porous polyvinyl chloride is prepared by polymerization of vinyl chloride in aqueous suspension in the presence of a protective colloid and an initiator, the suspension being agitated throughout save for a pause of between ¢ and 1¢ hours commencing between 10 and 20 minutes after the start of the reaction, the polymer resulting being isolated and dried. The reaction is performed at temperatures between 50‹ and 65‹ C., preferably 55‹ C. The initiator is soluble in the monomer. Examples given are tertiary butylperpivalate, diisopropylperoxidicarbonate, and acetyl cyclohexane-sulphonyl peroxide. The initiator is used in a quantity of preferably 0À02% by weight of vinyl chloride. The resulting polyvinylchloride has, at best, a K value of 70, a bulk density of 470 g./litre and a softener absorption power of at least 28%.
Patent GB-466646-A (GB)
Title: Improvements in or relating to bearings
IPC: B64C9/02
Filed: 1936-09-10
Abstract: 466,646. Hinges. GETEFO GES. FUR TECHNISCHEN FORTSCHRITT. Sept. 10, 1936, No. 24729. Convention date, Sept. 14, 1935. [Class 65 (ii)] An aeroplane rudder is hinged to its support 2 by a bolt 3 bearing in a split oil-less bush 4 mounted in a vibration-absorbing rubber bush 5 which is bonded by adhesive layers 7 to the bush 4 and to a housing 6 attached to the support 2 by screws 9 ; the rubber is compressed when the housing 6 is pressed on to the support 2, but a cavity 12 remains to allow deformation. A ball bearing, mounted in rubber in a similar manner to the bush 4, may be used, and in this case the outer member may, instead of being bonded to the rubber, be mounted in a slit or divided resilient metal bush which is cemented to the rubber ; the bearing and the resilient bush may be connected by keygrooving to avoid relative movement.