baber/WOPTO huggingface dataset:
Patent GB-117529-A (GB)
Title: Improvements in Gas-fired Water-heaters or Steam-generators.
Inventor: TAYLOR WALTER MARTIN
IPC: F24H1/43
Filed: 1917-09-07
Abstract: 117,529. Taylor, W. M. Sept. 7, 1917. Water-tube boilers.-In a steam generator provided with water coils arranged above a gas burner and in horizontal planes one above the other, such as is described in Specification 22370/07, a spiral water tube d is disposed immediately above the burner in such a manner that two coils are arranged one on each side above the gas outlets of each burner tube, the coils being of flattened circular or of elongated elliptical section with the major axes of each pair of coils forming an inverted V above the corresponding burner tube so that the water of condensation from the coils drops clear of the coils of the burner. Spiral water tubes e, f are arranged above the water-tube d with the coils of each spiral con. tiguous and so that the water circulates through the tubes in a direction opposite to the flow of tht combustion gases between adjacent tubes. The coils of the tubes may, in a modification, be spaced apart and covered by one or more plates. The lowermost spiral water-tube d is preferably shrouded along one or both peripheries by a cylindrical plate supported from one of the upper spiral tubes, or by depending portions e<1>, f<1> of one or more of the upper spiral tubes. Metallic spacers or cradles i may be placed between the tubes.
Patent GB-1138511-A (GB)
Title: Slide projectors
IPC: G03B23/04
Filed: 1966-03-23
Abstract: 1,138,511. Slide projector. VOIGTLANDER A.G. March 23, 1966 [March 23, 1965], No.12868/66. Heading G2J. A slide projector 1 having a motor driven slide changing and magazine advancing mechanisms has a mask 11 which interrupts the projection beam during slide-changing, and a feeler member 23 which is either pushed aside by an entering slide D into an ineffective end position or, in the absence of a slide being moved by slide carrier 5, the feeler member 23 causes the slide carrier 5 to be returned and the magazine 3 to be advanced for another slide changing operation. Movement of the carrier 5 causes a pin 25 to strike the edge 24 of feeler member 23 and thus pushes feeler member 23 into the slide path (position shown in dotted lines). If the entering carrier 5 has a slide D, the member 23 is pushed down and bevelled edges 18, 19 thereon act on a pin 17, carried by the lever 15, to maintain the lever horizontal in which position it pushes aside the mask 11. If there is no slide in the entering carrier 5, the feeler member 23 is not displaced and the bevelled edge 19 and the movement of carrier 5 causes lever 15 to pivot about a bearing 16 so as to strike a spring-loaded switch button 27 which activates the slide-changing mechanism, Fig. 3, (not shown). The mask 11 has a recess 30 to adjacent switch button 27 such that the mask remain unmoved if no slide is in the entering carrier 5.
Patent GB-325168-A (GB)
Title: Improvements in weighing machines
IPC: G01G23/36
Filed: 1929-04-25
Abstract: 325,168. Goetzmann, J. April 25, 1929. Computing-apparatus.-In a computing weighing scale the weight units and price per unit weight are transformed into electrical units in such a manner that the total weight and value is proportional to the strength of the current flowing through the circuit, electrical measuring instruments being provided to indicate these quantities. As shown diagrammatically in Fig. 1, a slidable counterweight 1 movable along the arm 2 of a weighing scale carries a contact 3 movable over an electrical resistance R in circuit with a constant voltage battery 4, a rheostat 5, an ammeter 7, and voltmeter 10. If the voltmeter pointer is set to read unity or the price per units weight by adjusting the slider 6 the total, weight or value can be read on the scales 9 or 8 of the ammeter 7, the resistance chosen being so arranged as to be inversely proportional to the load. The invention is shown applied to a weighing scale in which a screwed spindle 12, Fig. 3, driven by an electric motor 13 causes the displacement of a nut 14 holding a counterweight 16 on two arms 161, 16<11> of a balance lever. The spindle 12, Fig. 4, is connected through gearing 17-19 to a shaft 20 terminating in a squared end 21 on which is mounted a cranked arm 22 carrying a pin 30 engaging a helical slot 29 in a fixed member 28. The outer end of the arm 22 carries a leaf spring 23 with a contact brush 24 co-operating with a set of insulated drums 25-27 each having a set of contact strips 32, 33 &c., 36, 37 &c., 39, 40 &c. arranged as shown in Fig. 6 with the last strip of one drum connected to the first strip of the next drum, the drums being separated by insulated discs 35, 35<1>. The strips are connected by leads arranged in a cable 43, Fig. 7, to terminals 45, 46, &c. of a resistance box 44. The brush 24 is connected to a rheostat 5 whereby the voltage in the circuit may be adjusted in accordance with the price per unit weight. The end 49 of the resistance is connected to one side of an ammeter 7 in circuit with the battery 4.
Patent GB-1456817-A (GB)
Title: Abrasive products
IPC: B24D3/08
Filed: 1975-03-27
Abstract: 1456817 Abrasive compacts DE BEERS INDUSTRIAL DIAMOND DIVISION Ltd 27 March 1975 [29 March 1974] 12962/75 Heading C4V An abrasive compact comprises at least two types of abrasive particles held in a bonding matrix capable of dissolving the abrasive particles at least to a limited extent and an abrasive particle content of at least 50 vol. per cent. Preferably the abrasive particle content of the compact is at least 80% by volume. The abrasive particles may be a mixture of diamond and cubic boron nitride. In this case the bonding matrix is preferably an alloy and particularly an alloy of aluminium with nickel, cobalt and iron. Alloys of chromium, titanium and vanadium with one or more of the metals cobalt, iron and nickel may also be used. In a preferred embodiment of the invention a mixture of diamond particles, cubic boron nitride particles and powdered starter ingredients by a bonding alloy capable of softening the diamond or cubic boron nitride is subjected to conditions of temperature and pressure in the diamond stable region at which the bonding alloy is formed and functions as a solvent for the diamond and the cubic boron nitride.
Patent GB-295612-A (GB)
Title: Improvements in or relating to coin-freed mechanism
IPC: G07F5/04
Filed: 1927-05-14
Abstract: 295,612. Brooker, H., and Halsey, E. J. May 14, 1927. Franking or postmarking letters; coin action, thrust and weight.-A coin controlled mechanism for a postal franking or other apparatus connprises the combination with an operating handle of a locking member operatively connected with a coin-operated mechanism, the connection being such that the locking member will be released by a plurality of coins successively inserted through a single slot, each of the coins acting directly on the mechanism and independently of the other coins inserted. As applied to a postal franking machine adapted to be freed by a penny or by two halfpennies, the operating handle 39, Fig. 3, is locked by a bolt 50 held in locking position against the action of a spring 53 by a cam 54 mounted on a shaft 55 connected by an arm 56 and link 57 to a main lever 5 which is pivoted at 4, Fig. 1, and carries a weighted pawl 13 having a pin 16 working between two stops 17, 18. A halfpenny inserted through a slot 3 raises a lever 20 and causes its upturned toothed end 21 to engage and move the pawl 13, thereby moving the lever 5 back and causing a tooth 7 at its lower end to engage in the second notch of three notches 8 in a lever 9 controlled by a spring 11. The lever 20 is held raised by a pin 27 thereon engaging the stepped end 26 of a lever 23 controlled by a spring 25. The coin passing down a shoot 29 strikes the lower end 28 of the lever 23 and rocks it to allow the lever 20 to drop to normal position. A second halfpenny is now inserted and a lower tooth on the end 21 of the lever 20 engages the nose of the pawl 13, so that the lever 5 is moved back to the third notch 8 in the lever 9, this movement being necessary to rock the cam 54 and release the bolt 50. If a penny is inserted, the lever 5 is moved back to the third notch 8 in one step- The handle 39 is now rotated to rotate the actuating shaft 38 of the franking machine. A lug 43 on an arm 42 secured to the shaft engages a trip-lever 48 which trips the lever 9 allowing the lever 5 to return to normal position under the action of its weight 6, so that the handle 39 is again locked at the end of one revolution. Specification 141,135 is referred to. Coin-slit closing-devices.-Another arm 40 on the shaft 38 engages a roller 41 on one end of a lever 34 pivoted at 35 and causes its other end 36 to move into the path of a lug 33 on a slot closing plate. This prevents the insertion of a coin while, the machine is being actuated, since the coin cannot push asides the slot-closing plate. Fraud, preventing.-A spring 59 in the hood of the coin slot prevents a coin, once it is inserted, from being withdrawn.
Patent GB-430380-A (GB)
Title: Improvements in the manufacture and production of mixed fertilisers containing lime
IPC: F01L3/08
Filed: 1934-04-30
Abstract: In the production of mixed fertilizers containing nitrogen, phosphorus and lime by decomposing crude phosphates with acids, e.g. nitric and/or phosphoric acid, the acid decomposition solution so obtained is introduced together with ammonia into a considerable amount of the acid decomposition solution already neutralized with ammonia, in such proportions that the solution always reacts neutral or slightly acid.  The resulting product which may have a pH of 4-6 may be treated with further ammonia in order to bring the pH to 6-7. The temperature may be such that water is evaporated by the heat of neutralization.  Potash salts such as potassium chloride may be added at any stage of the process.  The resulting melts may be granulated by spraying and any residual water then removed by drying.  Examples are given.
Patent GB-986713-A (GB)
Title: Swivel pipe couplings
IPC: F16L27/093
Filed: 1963-04-02
Abstract: 986,713. Swivel pipe joints. IMPERIALEASTMAN CORPORATION. April 2, 1963, No. 12977/63. Heading F2G. A tubular connector 15 which extends concentrically with and is rotatable around a tubular body 11 provided with at least one radially opening port 22 and means defining shoulders 20, 50, has shoulders 40 which are abutted by radial portions 38 of sleeves 37, the latter having second radial portions 43 defining recesses 46 for housing resilient sealing rings 48, and there being sleeve retainers 35 located between the sleeves and the shoulders of the body. As shown, the retainers 35 are screwed into the connector, the shoulder 50 being formed by a split ring, and dust seals 49 of leather are disposed adjacent the seals 48.
Patent GB-537458-A (GB)
Title: Improvements in liquid pressure engines and liquid meters of like construction
IPC: F01L25/06
Filed: 1940-08-14
Abstract: 537,458. Liquid-pressure engines and meters. HYDRAUTOMAT (1931), Ltd., and SMILLIE, G. Aug. 14, 1940; No. 12981. [Class 69 (ii)] A liquid-pressure engine or meter is constructed with a diaphragm a clamped between discs b<SP>1</SP>, b<SP>2</SP> and bolted to covers c<SP>1</SP>, c the disc b<SP>2</SP> being connected to a connecting-rod d which passes through a stuffing box d<SP>1</SP> and may actuate a pump or counter. The diaphragm chambers are connected alternately to the pressure inlet i and exhaust by means of a slide valve k which is itself controlled by a pilot valve f adapted to be displaced by the diaphragm. The valve k as shown is held by fluid pressure in left-hand position and connects the pressure liquid to the lower diaphragm chamber via pipe o and the upper side to exhaust via pipe p. Pressure liquid also is connected by a pipe l to both ends of the chamber of the valve f but a differential pressure is set up which maintains the valve f in its lower position, this pressure being due to the fact that a guide rod w for the valve is of smaller diameter than a similar rod g attached to the lower end of the valve. These rods pass through packing devices x, v. To the lower rod g is attached a collar g<SP>1</SP> which passes through an adjustable socket t connected to the disc b<SP>2</SP>, and when the diaphragm reaches its uppermost position the collar g<SP>1</SP> is raised in order to cause the pilot valve f to reverse the valve k. When this valve is reversed the fluid pressure can act on the end of the rod g in the upward direction and there is thus a differential pressure tending to hold the valve f in its new position.
Patent GB-1496662-A (GB)
Title: Channel-shaped sealing finishing and guide strips
IPC: B60J10/00
Filed: 1975-03-24
Abstract: 1496662 Sealing strip DRAFTEX DEVELOPMENT AG 24 March 1975 [23 March 1974] 13006/74 Heading E1J [Also in Division B5] A flexible strip of channel cross-section is made up of a metal core 5 coated with low molecular weight PVC and covered with cloth 6. It may be used for draught sealing. panel edging or as a glass run. The strip is made by coating the core with low MW PVC in liquid or semi-liquid form, heating to gel and applying the cloth or the core may be heated and immersed in a suspension of PVC particles causing gelling followed by application of the cloth with or without intermediate heating. The core may be bent into channel form before or after the PVC material is applied.
Patent GB-286511-A (GB)
Title: Improvements in tobacco pipes
IPC: A24F1/06
Filed: 1927-05-14
Abstract: 286,511. Lacroix, E. May 14, 1927. Tobacco pipes. - The bowl consists of an inner portion 5 of briar root or the like with a flange 6 and threaded portion 8 for retaining it in an outer portion A of plastic or other suitable material which may be ornamented. Chambers 10, 11, 12 separate the remaining portions of the two bowls and slots 13, 15, 14 further promote cooling. Within the chamber 18 and centrally attached to the mouthpiece is a plug 16 having grooves 17 and a passage 19.
Patent GB-416995-A (GB)
Title: Improvements in and relating to babies' cots
IPC: A47D13/06
Filed: 1933-05-05
Abstract: 416,995. Cots; safety enclosures for children. GOAD, G., 11, Sydenham Hill Road, London. May 5, 1933, No. 13077. [Classes 52 (i) and 52 (ii).] A convertible cot, safety-enclosure and bassinet comprises a wheeled box-like structure 1 having a collapsable hood 2 at one end and a hinged handle 3 at the other end, a frame 4 adapted to be detachably secured to the hood and handle, a top comprising side and end walls 6, 7 detachably mounted on the frame 4 to constitute a cot, and legs 9 connected to the frame 4 to support the cot independently. of the bassinet. The end walls of the cot are preferably adapted to be opened out to form a safety-enclosure when detached from the frame 4. The bassinet 1 may be foldable. The frame 4 is secured by detachable means to the hood 2 and the handle 3 and to the sides of the bassinet, and carries a detachable mattress of canvas or wire. The side frames 6, Fig. 2, each comprise two parts hinged together, and the end frames 7 also comprise two frames normally lying closely together, but adapted to be opened out. The frames 6, 7 are connected to the frame 4 by means of pegs projecting from the latter. The legs 9 are hinged to the frame 4 and are each formed in two parts hinged together, and connected in pairs by removable bolts. Alternatively, a hinged or detachable leg may be provided at each corner of the frame 4.
Patent GB-313716-A (GB)
Title: Improvements in and connected with the soles of boots and shoes
IPC: A43B5/02
Filed: 1928-05-04
Abstract: 313,716. Paterson, K. A. H., Paterson, J. S., and Paterson, R. D., (trad. ing as Paterson, A. & W.). May 4, 1928. Drawings to Specification. Soles.-A rubber sole has studs or bars of the same material moulded thereon. The sole is especially suitable for football boots. Reference has been directed by the Comptroller to Specifications 12419/91. 5071/98, 14015/11, 131,425, 179,747, and 187,513.
Patent GB-1507523-A (GB)
Title: Pulse gating circuits and internal combustion engine control circuits including such gating circuits
IPC: G01R23/15
Filed: 1975-03-27
Abstract: 1507523 Pulse manipulating SIEMENS AG 27 March 1975 [29 March 1974] 13107/75 Heading H3T Input data pulses, such as A, B, C, D, Fig. 2(I), are each shortened by a fixed amount to produce output pulses G, H, Fig. 2(V), those pulses, B & C, which are not longer than the fixed amount being eliminated. This is achieved by using the input pulses 5, Fig. 1, to gate 1 clock pulses 6 (also Fig. 2(II)) to a counter 2, by setting a bistable 4 on to produce the output pulses whenever the count reaches a value preset in a decoder 3, and by using the trailing edge of each input pulse to reset both the counter 2 and the bistable 4. By inverting the input pulses 5 before applying them to the circuit, the intervals between the pulses can be shortened, or eliminated in a similar manner. In a modification (Figs. 3 & 4, not shown) the bistable 4 is turned on by the circuit 1, 2, 3 as shown in Fig. 1, but it is turned off by an additional circuit identical to the circuit 1, 2, 3, receiving the input pulses via an inverter (30).
Patent GB-401977-A (GB)
Title: Improvements relating to cinematographic apparatus
IPC: G03B1/42
Filed: 1933-05-05
Abstract: 401,977. Kinematograph apparatus. SCHALIE, H. VAN DER, 224, Laan van Poot, The Hague. May 5, 1933, No. 13141. [Class 97 (i).] Film-guiding members are carried by a sliding member, and move, when it is moved, in directions in. clined to the direction of its movement ; the sliding member may carry a gate member As shown, filmguiding members in the form of pressure rollers 4, 5 are carried by spindles 27, 28 on arms 25, 2E pivoted on the spindles 23, 24 of other pressure rollers 3, 6. The spindles 23, 24 are mounted on a plate 1 having slots 8, 11 permitting it to slide on studs 7, 13, and the plate 1 has slots 29, 31 through which pass the spindles 27, 28. The spindles 27, 28 also pass through slots 30, 32, formed in a frame plate of the apparatus, and these slots impart the inclined movements to the rollers 4, 5 as the plate 1 slides. The plate 1 also carries, by means of lugs 20, 20<1> and springs 19, a gate member 2, and when the plate 1 is in the position shown, the gate is closed and all the pressure rollers engage a sprocket 10. The plate 1 is held in the position shown, against the action of a spring 18, by engagement of the shank of the stud 13 in an enlarged part of the slot 11. The stud 13 is carried by a spring 14, and a part 15 of its shank has a reduced diameter, so that, by pressing the stud, the part 15 may enter the slot, and the spring 18 may move the plate 1 to the right, the gate being then open and all the pressure rollers removed from the sprocket. A handle 22, preferably having the form of a roller is provided on the plate 1.
Patent GB-607022-A (GB)
Title: Improvements in and relating to polysiloxane resin enamels
Filed: 1946-05-01
Abstract: A coating composition comprises a polysiloxane resin derived from hydrolysis of a mixture of alkyl- and phenyl-halogenosilanes and which contains from 1 to 1.8 hydrocarbon groups per silicon atom, a pigment, and toluene or xylene.  Specified silanes are di- and tri-chloromethyl, chloroethyl, chloropropyl, di-chlordimethyl, di- and tri-chlorophenyl silanes.  The compositions may also contain driers.  Specified pigments and extenders are titanium dioxide, zinc oxide or sulphide, lithopone, barium and calcium sulphates, ferric oxide, phthalocyamine blue or green, carbon black, lampblack.  In examples: (1) a methyl phenyl silicone resin from 75 per cent trichloromethyl-, 20 per cent dichlordimethyl-, and 5 per cent dichlorodiphenyl-silane was milled with titanium dioxide and thinned with toluene and xylene; (2) a silicone from 10 per cent tri-chloromethyl-, 40 per cent dichlorodimethyl-, 20 per cent trichlorophenyl- and 30 per cent dichlorodiphenyl-silane was mixed with titanium oxide, lead naphthenate, toluene and xylene; compositions comprising the resin of example (1) and (a) red-iron oxide, xylene and petroleum spirits, and (b) carbon black, lead naphthenate, xylene and petroleum spirits.  Specification 597,834 is referred to.  The Specification as open to inspection under Sect. 91 referred broadly to compositions comprising a heat-hardenable hydrocarbon-substituted polysiloxane resin.  This subject-matter does not appear in the Specification as accepted.
Patent GB-980300-A (GB)
Title: Fuel cell construction
IPC: H01M8/02
Filed: 1963-04-03
Abstract: A gas seal for a fuel cell (see Division H1) comprises an alloy of 0.1-49% (wt.) Ga not Ag.  Ga is present preferably in 5-20%, specifically 15%.  Compositions of 0.1-13%, 13-16% and 13-49% are specified together with a discussion of their solidus temperatures.
Patent GB-1223415-A (GB)
Title: Foamed polymers
Inventor: HAGGIS GEOFFREY ARTHUR
IPC: C08G18/76
Filed: 1967-03-21
Abstract: 1,223,415. Foam laminates. IMPERIAL CHEMICAL INDUSTRIES Ltd. 18 March, 1968 [21 March, 1967], No. 13250/67. Heading B5N. [Also in Divisions B2 and C3] Laminates may be produced by bonding various subrates to rigid polymeric foams which contain isocyanurate rings in their structure and which are prepared by reacting in the presence of a blowing agent and a catalyst for the polymerization of isocyanates, a polyesterification product having an OH value of 200 to 700 mg. KOH/g. and not more than 1À5 branch points for each 1000 units of molecular weight and a crude diisocyanatodiarylalkane composition containing 5 to 70% by weight of polyisocyanates of functionality greater than two, the composition being present so as to provide 3 to 10 equivalents of isocyanate group for each equivalent of active hydrogen. In examples a foam forming composition comprising essentially a polyesterification product derived from diethylene glycol and adipic acid, a crude diphenylmethane diisocyanate composition containing approximately 55% of diisocyanatodiphenylmethane isomers, potassium acetate as catalyst and trichlorofluoromethane as blowing agent is (a) injected into flat moulds having their larger faces formed of steel, aluminium, polyvinyl chloride, glass reinforced polyester, wood, chipboard or asbestos to form laminates of the combined foam and facing materials useful in the construction of buildings or (b) applied to a continuously moving strip of paper followed by applying a second strip of paper continuously on top of the foaming composition, the combination is passed between platens heated to 80‹ C. to provide a composite product useful in the construction of roofings.
Patent GB-132517-A (GB)
IPC: H02K23/66
Abstract: 132,517. Mauron, F. Sept. 10, 1918, [Convention date]. Switches, actuating, by reversal of rotary motion. In a current-reversing device for dynamos turning in both directions, for producing a current of constant direction, a sleeve 18, secured to the shaft 19 of the dynamo, carries segmental pawls 15, 16 connected by a spring 20, the pawls being provided with projecting parts a which engage projecting parts b of pawls 1, 9 carried by a ring 11 loosely mounted on the bearing support 40 of the dynamos. The pawls 1, 9 are provided with rollers 2, 7 which, when the direction of rotation of the dynamo is changed, come to rest alternatively in one of two notches 13, 14 provided on a ring 12 fixed to the support 40, so that the ring 11 has two different positions, one for each direction of rotation of the dynamo. On the opposite side of the ring 11 is mounted a contact-member 21 comprising contacts 22 .. 25 engaging pairs of brushes 26, 27, and 28, 29, the circuits corresponding to the two positions of the ring being shown in Figs. 6 and 7.