baber/WOPTO huggingface dataset:
Patent GB-770900-A (GB)
Title: Improvements in or relating to electric relay control devices
Inventor: PRYKE FORDHAM
IPC: H01H47/00
Filed: 1954-02-25
Abstract: 770,900. Indicating liquid level electrically. PYNFORD, Ltd. May 25, 1955 [Feb. 25, 1954], No. 5582/54. Class 40 (1). [Also in Group XXXVII] In a follow-up arrangement for raising or lowering a structure in steps consequent upon the rise or fall of a liquid level, the liquid in a tube M supports a float L<SP>1</SP> carrying a mercury cup L so that when the liquid level M<SP>1</SP> rises the cup L contacts the lower end of a conducting rod J to energize a coil A having a hollow magnetic core C, whereby an armature E connected to a tubular member D moves downwards against a spring D<SP>1</SP>. The member D is connected at K<SP>1</SP> to the rod J so that the rod moves into the mercury cup L a distance equal to the armature travel. The armature carries a peg H<SP>3</SP> operating a tinting mercury switch H mounted on a fixed plate B<SP>1</SP> and this switch is closed when the armature is attracted to energize a motor Q to raise the structure relatively to the liquid level M<SP>1</SP>. When the rod leaves the cup L the spring D<SP>1</SP> returns the armature E against the plate B<SP>1</SP> and the switch H opens to stop the motor Q. On further rise of the level M<SP>1</SP> the structure will again be raised an amount equal to the armature travel. In a reverse arrangement responsive to a fall in the level M<SP>1</SP> the motor Q is de-energized when the coil A is energized and is energized to lower the structure when the coil A is de-energized. The arrangement may be made to respond, alternatively, to the up and down movements of the liquid level by providing two switches H and a reversible driving motor Q, and a hand-operated two-way switch for selecting the appropriate switch H for making the arrangement respond to an up or down liquid movement. In a modified construction (Fig. 2, not shown) the contact L comprises a solid contact and the rod J is axially movable relatively to the member D under the bias of a spring which is compressed when the contacts J, L engage.
Patent GB-525418-A (GB)
Title: Improvements in or relating to electric discharge tubes
IPC: H01J5/06
Filed: 1939-02-20
Abstract: 525,418. Discharge apparatus. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. Feb. 20, 1939, No. 5638. Convention date, Feb. 22, 1938. Drawings to Specification. [Class 39 (i)] To suppress secondary electron emission from and consequent charging of, the walls or other insulating members of discharge tubes, they are coated with one or more of the oxides or sulphides of tungsten, molybdenum, copper or silver having a secondary emission ratio less than unity at least up to 300-350 volts. The coatings are so thin that the walls carrying them are transparent to light and that insulators carrying them are transparent to heat radiation. To form a tungsten oxide layer, tungsten may be evaporated at 2300‹C, in air at 2 min. pressure. A molybdenum oxide layer is similarly formed by evaporating molybdenum. Alternatively, the coating compounds may be evaporated in vacuo or inert gas or sprayed on. The application to the wall of a fluorescent anode tuning indicator combined with a triode is described and application to tubes with fluorescent screens, photoelectric cells, luminous tubes, ultra-violet radiators and amplifier tubes are referred to.
Patent GB-651284-A (GB)
Title: Improvements relating to apparatus for the drying of crops and like materials
IPC: F26B11/18
Filed: 1948-02-25
Abstract: 651.284. Drying apparatus. TILTMAN LANGLEY LABORATORIES, Ltd., LANGLEY, M., and GERRITSEN, J. J. Feb. 25, 1948, No. 5665. [Class 34(ii)] Apparatus for the drying of crops by passing through the material heated gases circulated in a continuous cycle obtains the heated gases from liquid fuel burners, each of which comprises a short inner cylinder in which combustion takes place and to which fuel and primary air are admitted, and an outer cylinder through which further air passes to be heated, which air subsequently mixes with the primary air and products of combustion to constitute hot dry gas. As shown, fuel burners according to Specification 595,864 are employed and the apparatus comprises a drying drum d having a housing 1 with banjo fittings 2, 3, bolted its walls at opposite ends. A gas inlet c admits the gases to a duct 4 between the wall of the housing and an inner wall so that the gases are conducted to banjo fitting 3, flow inward as shown by arrows 7 and enter the central part of the rotor 8 which consists of a shaft 9 journalled in bearings 10 on brackets 11 and carrying a rotary drum. The latter consists of spiders 12 keyed to shaft 9 and supporting a perforated cylinder 13, the cylinder being closed at one end but open at the other to receive gases from the fitting 3. The space outside the drum is divided into four chambers by radial plates 16 carrying tines 18 and these spaces are enclosed by plates 19a, 19b the plate 19a extending to the peripheral wall but the plate 19b being shorter to allow gases to escape into the end of the drum and then into fitting 2 and into trunking e to be re-circulated. The rotor is constantly rotated by a motor through suitable gears. As illustrated there are four burners f delivering into a casing 29 each burner having a separate control so that one or more burners may be used depending on the humidity of the crop.
Patent GB-994623-A (GB)
Title: Improvements in and relating to dry-shaving apparatus
IPC: B26B19/42
Filed: 1964-02-11
Abstract: 994,623. Dry shavers. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. Feb. 11, 1964 [Feb. 14, 1963], No. 5675/64. Heading B4B. In a dry shaver having a shaving head comprising a movable cutter co-operating with an apertured shear plate, means are provided for oscillating the shear plate in two directions simultaneously but at different frequencies, the directions of the oscillations extending transversely of one another in a plane parallel to the shaving plane. The ratio between the frequencies of the oscillations is preferably 4 to 5. The shear plate 1 is a sliding fit in a ring 20 fixed to a plate 10 provided with a slot 13 which fits over a pin 12 fixed in a part 11 of the shaver housing. The plate 10 is fixed to a block 9 provided with a slot 8 in which engages a pin 7 projecting eccentrically from the upper end of a shaft 4. A rotary cutter is driven by a shaft. The shafts 3, 4 are driven from a motor-driven shaft 5. When the shaft 4 rotates, the pin 7 cooperates with the slot 8 to impart a longitudinal reciprocating motion to the plate 10 (as indicated by the double arrow R in Fig. 2), the plate being guided in this motion by the pin 12. At the same time, a cam 18 co-operates with a groove or recess 19 in the lower face of the block 9 to impart an oscillatory pivotal motion to the plate 10 about the pin 12 (as indicated by the double arrows O in Fig. 2). The cam is driven by the shaft 4 through an epicyclic reduction gear comprising a sun pinion 6 fixed on the shaft 4 and two planetary pinions 15, 16 rotatably mounted on a carrier 14 and meshing with the sun pinion and with a fixed ring of teeth 17 formed in the housing part 11. The cam is fixed to the carrier 14 for rotation with the shaft 4. The frequency of the oscillatory pivotal motion of the plate 10 is lower than that of the reciprocatory motion of the plate. The plate is retained on the housing part 11 by a plate 21 which incorporates a skin-stretching rim 22 and a grid to prevent the user's skin from moving with the shear plate. The cutter and shear plate may, alternatively, have the form of cylinders or parts of cylinders and the cutter reciprocate in the direction of its longitudinal axis.
Patent GB-455435-A (GB)
Title: Improvements relating to conduit systems for electrical wiring
IPC: H02G3/06
Filed: 1935-02-22
Abstract: 455,435. Wall and like conduits. SARGENT, E. B., 95, Inglewood Drive, Mt. Lebanon Station, and ROBERTSON CO., H. H., Grant Building, 3rd Avenue, both in Pittsburg, U.S.A. Feb. 22, 1935, No. 5715. [Class 20 (ii)] Conduits 16, 16a, 16b for electric wiring extend transversely of passageways 10 provided in the floor of a building, the conduits and passageways being interconnected by hollow arms 18, 18a, 18b, each having one end attached to or integral with a conduit and the other end passing through an opening in a passageway. The floor may be as described in Specification 420,062. Conductors are led to the floor through risers 13, 14, 15. The arms 18, 18a, 18b have a reverse curve therein and terminate in flared mouths corresponding in shape and size with the passageways. The openings in the passageways are covered with slotted plates secured thereto. The arms may be led from one side of the conduit only, or from both sides, as shown.
Patent GB-394926-A (GB)
Title: Improvements in collapsible tube closure
IPC: B65D47/20
Filed: 1933-02-24
Abstract: 394,926. Collapsable-tube closures. SIMON, J., 483, Central Avenue, and GOLDBERGER, L., 355, Washington Avenue, both in Cedarhurst, Long Island, New York, U.S.A. Feb. 24, 1933, No. 5756. [Class 125 (iii).] A collapsable-tube closure comprises a collar rotatably mounted on the neck of the tube, a rotatable cap adapted to close a discharge orifice in said neck, a spring carried by said collar acting upon said cap to hold it normally in closing position and means to lock said cap in closing position. As shown in Figs. 3 and 6 the collar 16 is resilient and split and has a rib 18 which seats in an annular groove 13 on the tube neck. A resilient flat spring 20, formed integral with the collar, fits into a groove 28 in the top of the cap 23 and bears thereon. The cap is provided with downwardly-extending ears 26 having inwardly-extending lugs 27 received in bayonet slots 14 whereby the cap may be secured in closing position. When the lugs are in the horizontal parts of the slots, Fig. 3, the contents may be forced out by pressure on the tube as shown. Fig. 9 shows a blank from which another form of closure is made, the collar, spring and cap being in one piece.
Patent GB-495003-A (GB)
Title: An electromechanic apparatus for the operation of railway switches
IPC: B61L5/06
Filed: 1938-02-23
Abstract: 495,003. Operating railway points ; point indicators. PACILLI, E. Feb. 23, 1938, No. 5760. Convention date, Feb. 23, 1937. [Classes 104 (i) and 105] In railway points operated by a rod 20, actuated by the centrifugal displacement of mobile masses, the masses 8, 9 actuate collars 12, 16 sliding axially on a hollow shaft 7 rotated by an electromotor 4, one collar being fixed in each direction of rotation, and the rod 20 being connected by a braked lever 35 to a mutilated pinion 64 engaging the racks 66, 67 of the point rods 68, 69. The masses 8, 9 engage radial guides 10, 11 formed in collar 12 and are connected by spring-loaded links 13 with collar 16, each collar having a key engaging Z-shaped slots in shaft 7, so that forward rotation of the shaft moves one collar and reverse rotation moves the other collar. Lever 35 is braked by pivoted arms 51 engaged by a spring 54 and actuates a slide 58 carrying the pinion 64 which engages stop pins 71, movement of the slide during rotation of the pinion having no effect on the point rods 68, 69. These rods carry rollers which engage slots 77, 78 in a plate fixed to a crossbar 72 linked to rods 85, 86 of magnet cores 87, 88, varying the field of electric windings actuating indicators in the signal cabin. Crossbar 72 has a yielding block 79 engaging grooves 82 in the point rods. Manual operation may be provided.
Patent GB-557072-A (GB)
Title: Improvements in or relating to electric irons
IPC: D06F75/18
Filed: 1942-04-29
Abstract: 557,072. Hand irons. WESTINIGHOUSE ELECTRIC INTERNATIONAL CO. April 29, 1942, No. 5785. Convention date, March 11, 1941. [Class 138 (ii)] Hand irons fitted with means for steaming the work are arranged to facilitate the removal of matter precipitated or deposited from the water due to the generation of steam, The steam is generated by dropping through a valve 40, adjusted by a knob 42, water from the reservior 9 on a removable plug 28 flush with the sole and having a wall 31 separating the steam generating centre chamber 32 from a surrounding chamber 33 from which apertures 34 deliver steam to the work. A thermostat and setting knob 24 allow the heat to be adjusted and water is added through a filling cap 12. To prevent water sputtering over and staining the work a pad or loose mass of asbestos, glass, or aluminium wool may be put in the centre chamber 32. In a modified form the plug may have an outer wall 50, Fig. 5, into which is swaged a springy cover 52.
Patent GB-163811-A (GB)
Title: Improvements in or relating to safety devices for railway and other vehicles running on metal tracks
IPC: B61L3/22
Filed: 1920-02-26
Abstract: 163,811. Price, C. S. Feb. 26, 1920. Electrical systems, automatic; indicating condition of bridges, tunnels, and embankments.-A railway or similar vehicle has wheels A on one side insulated from the wheels on the other side by insulation C, and an electric generator is connected in circuit with the wheels through the operating coils of a brake, or signal, or control device. The generator is driven so that its voltage is proportional to the train speed. The rails ahead of the train may be bridged by another locomotive, in which case the circuit is completed through the generator on the front train and if this latter is travelling sufficiently slowly a current will flow due. to the generator on the overtaking train and will operate the control devices on that train to cut off steam and to apply the brakes. The train wheels, other than the locomotive wheels, are insulated from their axles, and a circuit through them is completed by the brake shoes when the brakes are applied. Track crossings and junction points are fitted with movable contact bars which, on the passage of a train or when the points are not in clear position for an approaching train, bridge the rails to complete the circuit of the generator and operating devices on the approaching locomotive. Men working on the line are provided with contact bars to bridge the rails, and gates of level crossings have metal shoes which bridge the rails when the track is closed. Bridges have a number of contact bars J, Fig. 6, beneath the track, connected by chains over pulleys to weights K so that if part of the track collapses some of the weights will drop and raise the bars into contact with the track. A tunnel is equipped similarly except that the weights and chains are placed overhead. Where the track runs through a cutting a number of platforms M are supported on pivoted levers which also support bridging contact bars N. If a fall of earth occurs, the weight on the platforms M raises the bars N into contact position to complete the circuit on an approaching train.
Patent GB-659633-A (GB)
Title: Improvements relating to table games
IPC: A63F7/00
Filed: 1949-03-03
Abstract: 659,633. Table games ; games-scoring devices. GRAHAM, F. March 3, 1949, No. 5863. [Class 132 (ii)] Table game apparatus comprises a board 10 along which a ball is propelled by, e.g. a cue, to enter cups 12 set on blocks 13, the ball being elevated into the cups by ramps 14 fitted with pegs so that they can be secured in any set of holes 16 in front of the cups. The ball may be solid rubber, the cups may be variously coloured and the board may be sprayed with green fibre. Peg and hole markers 19, 20 and a detachable back-board 21 are provided. An alternative score ' marker, Fig. 5, comprises an engraved strip 25 secured by a magnetized bar 26 carrying pointers 28 of ferrous material.
Patent GB-565604-A (GB)
Title: Improvements in and relating to apparatus for starting and controlling electric discharge devices
IPC: H05B41/232
Filed: 1943-04-13
Abstract: 565,604. Control systems for discharge lamps. BRITISH THOMSONHOUSTON CO., Ltd. April 13, 1943, No. 5921. Convention date, April 21, 1942. [Class 38 (iv)] A starting circuit for a pair of discharge lamps 1, 2 connected in parallel to a supply source of insufficient voltage to start the lamp comprises a reactance 14 in parallel with one of the lamps 2 to produce a large back E.M.F. for starting this lamp, and a reactance 13 generating an E.M.F. opposed to that of the reactance 14. Before the lamp 2 starts, the reactance 14 predominates and the resultant lagging current in the winding 12 generates an E.M.F. in the loosely coupled transformer winding 11 opposed to the supply voltage so that a minimum E.M.F. is applied to the lamp 1. 'As soon as the lamp 2 starts, short-circuiting the reactance 14, the capacity 13 predominates in this branch of the circuit and the resultant leading current generates an E.M.F. in the winding 11 that assists the supply voltage and starts the lamp 1. The lamp 1 runs on a lagging current so that when both lamps are operating the power factor of the system is good. In a modification, the reactance 14 is replaced by an inductance in series with a capacity connected between the upper electrode of the lamp 1 and the lower electrode of the lamp 2. This produces an E.M.F. across the lamp 1 sufficient to start it and the lagging current set up in the lamp 1 generates a voltage in the winding 12 that assists the supply voltage, the resultant being sufficient to start the lamp 2.
Patent GB-974364-A (GB)
Title: Process for removing nitric oxide from cracked gases or similar gases
IPC: C10K1/10
Filed: 1962-02-15
Abstract: A process for removing nitric oxide from cracked gas or like gaseous mixture containing 0.001 to 0.2% of nitric oxide comprises compressing the mixture in the presence of at least 0.5% by volume of oxygen to 2-50 atmospheres at a temperature of 0-50 DEG  C. and washing during and/or immediately after compressing with a neutral or alkaline aqueous solution to remove the nitrogen dioxide.  The oxygen may be added or may be the residual oxygen present in the gas.  The gaseous mixture may contain more than 10% of unsaturated hydrocarbons and the oxygen content is preferably between 0.8 and 1.2%.  The washing solution may be an aqueous solution of 1-10% by weight of an alkali metal compound, e.g. Na or K acetate, hydroxide, carbonate, or bicarbonate.  Preferably a compressor is used in which a sealing liquid separates the individual compression stages, e.g. a liquid piston-type rotary pump, thus preventing the formation of nitro-resins.
Patent GB-696449-A (GB)
Title: Diisocyanate-modified polyester elastomers
IPC: C08G18/12
Filed: 1951-03-13
Abstract: Curable elastomers are prepared by reacting a linear polyester having an hydroxyl number from 30-140 and an acid number from 0 to 12, a bifunctional additive, containing at least one primary amino and/or carboxyl group, in an amount such that the total number of primary amino and carboxyl equivalents in the additive is from 0.06 to 0.24 per mol. of polyester, and 2.4 tolylene diisocyanate, hexamethylene diisocyanate or tetramethylene diisocyanate, in an amount equal to the sum of from 1.00 to 1.20 mols. of diisocyanate per mol. of polyester plus a molar amount of diisocyanate equivalent to the molar quantity of bifunctional additive used.  The additive may be a diamine, amino-alcohol, amino-acid, dicarboxylic acid, hydroxy acid, a urea, guanidine or thiourea containing a primary amino group, and may be added when the polyester and diisocyanate have been partially reacted.  The products cure in a shorter time than if the additive were not included and the cured products are free from blisters.  The polyester may be in part derived from unsaturated components such as maleic, fumaric dihydromuconic, and dilinoleic acids in which case sulphur, benzoyl peroxide or t-butyl hydroperoxide may be used as curing agents.  Other curing agents specified are di- and other polyisocyanates and alkyl ethers of hexamethylol melamine with a 2-, 4-dihalo naphthol as accelerator.  The quantity of polyisocyanate used for curing should be such that the total number of isocyanate equivalents present in the cured product is equal to the sum of from 2.80 to 3.20 per mol. of polyester plus twice the molar amount of additive used.  The curing is preferably effected by dry heat, hot water and steam resulting in partial degradation.  The Specification lists many compounds suitable as the bifunctional additive and for making the polyester and also gives many examples of starting mixes for the polyester.  In an example a polyester having an acid number 3.5 and hydroxyl number 58.6 and derived from adipic acid, ethylene glycol and propylene glycol was reacted with 1.11 mols. of 2.4 tolylene diisocyanate and 0.06 mols. of hexamethylene diamine per mol. of polyester at 120 DEG  C. for 8 1/4 hours.  In similar examples adipic acid and ethanolamine were used instead of hexamethylene diamine.  All three modified polyesters were cured by reaction with 0.45 mols. of additional tolylene diisocyanate per mol. of polyester at 300 DEG  F. for 30 minutes.  Polymers prepared without the additive p  blistered on curing unless they were partially cured, remilled and then finally cured.  Specifications 553,733 and 694,978 are referred to.
Patent GB-564559-A (GB)
Title: Improvements in feeding devices for strip material in typewriters and other imprinting or recording apparatus
IPC: B41J11/28
Filed: 1943-04-14
Abstract: 564,559. Typewriters &c. WILLIAMS, W. P. (Standard Register Co.). April 14, 1943, No. 6000. [Classes 100 (ii) and 100 (iv)] [Also in Group XV] A feed device for strip material in typewriters or other imprinting or recording apparatus, such as autographic or manifolding registers, addressing-machines and tabulating or billing-machines, is constructed with sprocket pins of thin flat form to fit holes in one or both margins of the material elongated in the longitudinal direction of the strip. In one form, a thin wheel 7, Fig. 4, with flat teeth 8 is secured to driving discs 9 on a shaft 10 by means of spacer studs 11 which permit slight lateral movement of the wheel 7 to compensate for variations in the width of the strip due to humidity or other causes. The disc 7 is preferably punched or cut from sheet metal, fibre, or the like. The shaft 10 is mounted in a casing 1, Fig. 2, beneath a writing tablet 3, and the teeth 8 project through slots 6. In Fig. 7, the teeth 15 are each projected radially by a cam 14, and are mounted so as to be capable of slight axial movement on the driving-shaft. In Fig. 11, the driving-teeth 20 have flat driving ends and are formed with spherical ends 19 for connection to the driving-disc in a manner permitting of lateral motion. In a further modification, a wheel with rigidly mounted pins is bodily movable on a shaft to which it is splined. British Specifications 408,125, 472,497, 473,311 and U.S.A. Specifications 1,254,368, 1,372,460 and 1,425,907 are referred to.