baber/WOPTO huggingface dataset:
Patent GB-209693-A (GB)
Title: Improvements in and relating to the manufacture of paper, pulp, board and the like
IPC: D21B1/06
Filed: 1923-09-01
Abstract: 209,693. Marx, R. Sept. 1, 1923. Pulping-engines.- The pulp material is fed to beaters, breakers, potchers, refiners, and similar machines by means of an air current, and is so directed that one component of its velocity is in the direction of travel of the stuff. A pipe C, terminating in a nozzle D, delivers the material to the roll A in a direction approximately tangential thereto. In arrangements where it is desired to feed the final portion of the charge at a slower rate, the nozzle D feeds a reservoir having a hinged door F which, after the first portion is delivered, is regulated to control the delivery of the final portion.
Patent GB-402373-A (GB)
Title: Improvements in and relating to thermostatic switches
IPC: H01H37/60
Filed: 1933-08-08
Abstract: 402,373. Thermal switches. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London.-(Assignees of Getchell, B. E. ; Plainville, Connecticut, U.S.A.) Aug. 8, 1933, No. 22184. Convention date, Aug. 6, 1932. [Class 38 (v).] A thermal switch comprises a bimetallic strip 8 fixed by screws 9 to a base 7 and provided with an adjusting screw 10. A contact arm 12 has a hooked end 13 which has pivoted engagement with a slot in the strip 8. A compression spring 16 encircles the contact arm and is mounted between the end of the strip 8 and a shoulder on the contact arm. When the strip 8 bends due to a change of temperature, the contact arm snaps rapidly to engage one or other of the stops 18, 19 either or both of which may be contacts. A hooked plate 11 limits the movement of the strip 8. In a modification the strip is bowed at its upper end and passes through a hole in the base and is fastened on the rear side.
Patent GB-1161111-A (GB)
Title: Ventilating valves for vehicles
Inventor: LUDFORD PETER
IPC: B60H1/34
Filed: 1965-05-25
Abstract: 1,161,111. Valves. HUMBER Ltd. 24 Aug., 1966 [25 May, 1965], No. 22191/65. Heading F2V. [Also in Division F4] A ventilator for the facia panel of a motor vehicle comprises a part spherical housing 12 and two semi-circular flaps 17, 18 swingable about a diametral pivot 16 to open and close a duct 15. A manually operated knob 25 adjusts the flaps 17, 18 through bevel gearing 19, 20, 23. Felt strips 22, 24 are provided between the housing 12 and a mounting 10. A spigot 30 limits the amount of movement of the housing 12 in the mounting 10.
Patent GB-1271495-A (GB)
Title: Application of acousto-electric oscillators
Inventor: MAINES JAMES DENNIS
IPC: G01H11/06
Filed: 1968-05-10
Abstract: 1,271,495. Semi-conductor circuits; detectors. DEFENCE, SECRETARY OF STATE FOR. 2 May, 1969 [10 May, 1968], No. 22263/68. Headings H3Q and H3T. An acoustoelectric oscillator X, has means E for applying a voltage Vapp across the oscillator X which is above the cut-off voltage for acoustoelectric oscillation and means V 1  for applying an acoustical or electrical alternating signal to be detected across the acousto-electric oscillator and the signal V 1  has a frequency corresponding to an acousto-electric oscillatory mode of the oscillator X such as to raise the round trip acousto-electric gain in the oscillator X above unity. In Fig. 1 an input radio frequency voltage V 1  which corresponds to the mode of the piezoelectric semi-conductor device X causes build up of acoustic flux so as to change the D.C. through load R L  to detect the input r.f. V 1 . The mode of the device X may be selected by adjusting the tuning value of impedance Z or by selecting the acoustic reflection by an acoustic cavity bonded to the device X. Pulsed radio frequency may also be detected with this circuit, the load R L  being replaced by a transformer (Tr, Fig. 2, not shown). The r.f. may be fed from an aerial. The r.f. may be fed to several such detecting circuits each having an oscillator X sensitive to a different frequency so that signals having different frequencies may be separated out into respective channels, e.g., for pulse signals transmitted by frequency shift keying. The oscillator frequency may be tuned by adjusting the applied voltage, mechanical strain, level of illumination or magnetic field. A frequency switched multichannel radio frequency signal may be detected in a single oscillator by changing one of the above parameters in synchronism with the changes of the incoming signal. By modulating the applied voltage above the cut off point by a sawtooth generator SG (Fig. 3) a pulse (c, Fig. 4, not shown) is detected when the input r.f. signal (f) corresponds to the frequency of the oscillator X which is swept between two frequencies (f 1  and f 2 ). This circuit enables the time interval from the start of the sweep (f 1 ) to the time of detection of the input r.f. to be determined on a C.R.T. and may be used in doppler radar.  Acousto-electric oscillators using cadmium sulphide and zinc oxide are described in Specification 1,233,544.
Patent GB-1156269-A (GB)
Title: Epoxy Resin Compositions suitable for Electrical Insulators
Inventor: RUYTER KLAAS
IPC: C08L63/00
Filed: 1968-05-10
Abstract: 1,156,269. Epoxy resin compositions. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. 10 May, 1968, No. 22314/68. Heading C3B. A curable composition suitable for the manufacture of electrical insulators comprises: (I) a halogen-free non-aromatic polyepoxide; (II) a halogen free non-aromatic polyester having OH number of at least 30 (meq. OH/100 g.); and (III) a halogen-free non-aromatic polycarboxylic acid anhydride. The polyester II is obtained by reacting a halogen-free non-aromatic polyol having at least three OH groups with a halogenfree non-aromatic polycarboxylic acid, or a polyester forming derivative thereof, in the presence of a glycidyl ester of a monocarboxylic acid having a tertiary or quaternary α-carbon atom. II may be a cycloaliphatic polyepoxide, e.g. 3,4-epoxycyclohexylmethyl - 3<SP>1</SP>,4<SP>1</SP> - epoxycyclohexane carboxylate or its 6-methyl analogue, or diglycidyl hexahydrophthalate. III may be hexahydrophthalic anhydride. The equivalent ratio of I: III may be from 1: 0À8 to 1: 1À2, II may be present so as to provide 0À05 to 1 OH group for every anhydride group of III. A curing activator, e.g. a tertiary amine may also be present. Curing may take place at 100-200‹ C. Conventional fillers, pigments and extenders may be added to the composition.
Patent GB-232858-A (GB)
Title: Improvements in oil cups
IPC: F16N7/02
Filed: 1924-09-22
Abstract: 232,858. Marks, E. C. R., (Dutro, L. C.). Sept. 22, 1924. Oil cups.-A tubular member 4 extending through an oil cup has a number of apertures 11 therein at different points and is provided with a partition member 13 closing the tube below the lowermost aperture 11. A siphon tube 16 extending through two of the apertures 11 has one end 17 extending to near the bottom of the cup and the other end 15 extending through the tube 4 below the partition 13 to discharge into the outlet 14. The body 1 of the cup is made of glass, and the tube 4 holds the component parts of the cup together. The ends 15, 17 of the siphon are arranged at substantially the same level. The cup is particularly applicable to crankpins and other moving parts, the jarring action causing oil to be discharged through the siphon. Expansion of the air above the oil, due to heating of the bearing, also promotes discharge.
Patent GB-533028-A (GB)
Title: Improvements in or relating to fluid pressure creating devices
IPC: E05B65/42
Filed: 1939-08-03
Abstract: 533,028. Governing pumps and compressors. HAYNES, L. L., and STANTON, R. S. Aug. 3, 1939, No. 22491. [Classes 8 (i) and 102 (i)] [Also in Group XXVI] A pump 1 delivers oil from a tank 2 to a cylinder 7 containing a spring-pressed piston 8 which controls the flow of oil to a locking device 13 ; when the pressure rises unduly, the piston acts through a rod 19 to cause a clutch 17, 18 in the drive to slip and limit the pump speed and the pressure. When the pump stops the piston is retracted, and oil flows round the piston to an outlet 16. The pump is driven from a sprocket 18 forming one part of a clutch, the driven part 17 of the clutch spring pressed against it, the shaft 3 fixed to the clutch part 17 by the rod 19 and oppositely free bevel wheels 4, 5 on the shaft gearing with a bevel wheel 6 driving the pump. The pump may deliver liquids or gases. Specification 533,027, [Group XXV], is referred to.
Patent GB-924625-A (GB)
Title: Production of purified hydrogen peroxide
IPC: C01B15/013
Filed: 1959-07-01
Abstract: Purified H2O2 is prepared from H2O2 con taining organic impurities by contacting the H2O2 with an anion exchange resin alone in the form of the hydroxide or a salt of an acid or acid salt which has a dissociation constant at 25 DEG C of less than 1,75 X 10-5, other than a bicarbonate, the contact time being less than 5 mins.  The resins may be strongly basic resins containing quaternary ammonium groups, e.g. chloromethylated styrene-divinyl benzene copolymers aminated with an alkyl amine having up to 6C. atoms, e.g. trimethylamine, or with an alkylolamine, e.g. dimethyl ethanolamine, preferably as carbonate.  0,001 pound of resin is used per pound H2O2.  Commercial resins which are in the hydroxide, or chloride form are the initial materials.  The hydroxide form is washed with water until the pH of the wash water has fallen below 10, or the hydroxide, or chloride, forms may be converted to a salt by treating with an aqueous solution of the acid, or a water-soluble alkali metal salt of the acid, e.g. carbonate, stannate, or tetraborate of sodium, or trisodium orthophosphate, and washing with water until the pH of the wash water has fallen p  below 10.  The H2O2 is passed through a porous bed of the resin, which is regenerated as required by treatment with an aqueous solution of a hydroxide, e.g. NaOH, salt, or acid, followed by water washing.  Periodically, say after 5 to 20 regenerations, the resin may be washed with an acid at least as strong as acetic acid, e.g. HCl, HNO3, H2SO4, or other inorganic acid having a dissociation constant for the first hydrogen greater than 1 X 10-3, before the next regeneration.
Patent GB-1430847-A (GB)
Title: Cushioned tread tyre
IPC: B60C1/00
Filed: 1973-05-11
Abstract: 1430847 Pneumatic tyres UNIROYAL 11 May 1973 [18 May 1972] 22574/73 Heading B7C A pneumatic tyre 10 comprises: a radial ply carcass 1; first and second sidewall rubbers 5 overlying respective lateral regions of the carcass; a tread rubber 3 overlying the crown region of the carcass; a breaker 2 interposed between the tread rubber and the carcass; and a cushion 7 interposed between the breaker and the tread rubber, the cushion being constituted by a rubber compound which is softer than the rubber compound constituting the tread rubber, the cushion having a maximum thickness at the mid-circumferential plane 8 of the tyre. The provision of the cushion 7 is said to improve the uniformity of wear across the axial width of the tyre tread. In an alternative embodiment, Fig. 3 (not shown), the cushion (7), considered in radial cross-section, is crescent-shaped.
Patent GB-321638-A (GB)
Title: Improvements in or relating to the manufacture of tinned metal products
IPC: C23C2/02
Filed: 1928-08-03
Abstract: 321,638. Hanby, W. Aug. 3, 1928. Annealing. - Metal is cleaned and annealed before tinning by immersion at annealing temperature in a pickling bath to which has been added a proportion, not exceeding 25 per cent by volume, of a cyanide of an alkali metal. Preferably the cyanide content of the bath is 5 per cent. A bath for annealing at 850 C. comprises sodium chloride, 60 per cent; sodium carbonate, 20 per cent; and sodium cyanide, 20 per cent. A bath for annealing at 950 C. to 1000 C. comprises barium chloride, 80 per cent; calcium chloride, 15 per cent; and potassium cyanide, 5 per cent. The annealing temperature may vary between 500 C. and 1200 C. The bath may be covered with a layer of charcoal or fine coke to wipe the plates as they are lifted out. The tinning bath is placed adjacent the annealing bath, and a conveyer system may be combined with lifting- mechanism so that the plates are fed continuously through the baths.
Patent GB-615939-A (GB)
Title: Improvements in safety razors
IPC: B26B21/18
Filed: 1946-07-30
Abstract: 615,939. Safety razors. PIEPER, P. July 30, 1946, No. 22619. Convention date, Aug. 23, 1945. [Class 30] In a safety razor of the kind in which a handle 7, Fig. 1, screws on to a stud 2 provided on an arcuate cover plate 1 so as to clamp a flexible blade between the correspondingly curved opposing surfaces 6 and 5 of the cover plate and a guard plate 4, the handle 1 has a spherically curved end for engagement with a similarly curved recess 9 to permit adjustment of the guard and cover plates when the parts are being screwed together. The cover plate is provided with locating pins 3, Fig. 5, which in order to prevent water reaching the blade engage closed apertures 10, Fig. 4, in the guard plate.
Patent GB-225932-A (GB)
Title: Improvements in electric switching apparatus suitable for use in telephony
IPC: H01H67/26
Filed: 1923-09-11
Abstract: 225,932. Relay Automatic Telephone Co., Ltd., and Ward, F. M. Sept. 11, 1923. Selectors.-Energization of a magnet m selects a set of contacts C by bringing a resilient member W common to two magnets beneath a blade D so that the contacts are operated upon energization of a common relay M by a bar B on its armature. A. The armature A also controls independent contacts, and the members W carry indicators K. When several relays M are combined, corresponding magnets m are connected in a. common circuit. Specifications 141,005 and 141,006 are referred to.
Patent GB-890348-A (GB)
Title: Improvements in liquid applicators
IPC: A45D34/04
Filed: 1960-06-29
Abstract: 890,348. Diaphragm pumps; dispensing liquids. HEDLEY & CO. Ltd., THOMAS. June 29, 1960 [July 6, 1959], No. 22819/60. Addition to 880,486. Classes 102(1) and 102(2). In a liquid applicator as described in the parent Specification, the resiliently flexible diaphragm 20 constituting the upper side of the reservoir 26, is provided with at least one concavity 21 having at least one opening 22 through which liquid is dispensed upon depression of the diaphragm when brought into contact with a surface to be wetted. The provision of the concavity prevents the covering of the opening 22 and the initial restriction of flow therethrough. Modifications are shown with three openings in one cavity, three cavities with one opening in each and one cavity with a single opening surrounded by further openings outside the area of the concavity.
Patent GB-1178887-A (GB)
Title: Device for Dispensing Paper
Inventor: COOPER SIDNEY STEVEN HOWARD
IPC: B42F7/14
Filed: 1967-05-17
Abstract: 1,178,887. Autographic registers. TWINLOCK Ltd. 17 May, 1968 [17 May, 1967], No. 22838/67. Heading B6A. An autographic register comprises a housing which includes a container 1, Fig. 3, and a lid 2 having depending side walls 18 which fit over the container 1, the interior of which is provided with laterally projecting ribs (11, Fig. 6), and 12, 14, Fig. 7, on which is disposed a removable platen 33 provided at its one end with a plastics guide strip 36 to define a record web assembly 55 feeding gap 35 with a side wall 7 of the container 1. The record web assembly 55 which is a pack of zig-zag folded invoices is placed on the base (3, Fig. 4) of the container 1 when the lid 2 and platen 33 have been removed, thereupon the latter is replaced and the uppermost invoice 56 is drawn through the feeding gap and over the platen 33, the feeding of the invoice being arrested by the guide strip 36 following engagement of a zig-zag fold. The invoice 56 is also fed under a knife blade 48 mounted pivotally in a recess 44. The lid 2 whose top 17, Fig. 1, has a writing window 28 is then replaced and the knife blade 48 locked by a depressible lug 31. To sever the uppermost invoice 56, the lug 31 is released and the knife blade 48 pivoted into a recess 27 by a handle 52 such that the invoice can be pulled through a slot 29, Fig. 3, in the lid 2 and subsequently severed by the restored knife blade 48 when the guide strip 36 has engaged the following zig-zag fold. The copies of severed invoices are stored on the container base (3, Fig. 4) on to which they are placed through an opening (4). The copies of invoices are produced by carbon paper which is placed transversely across the invoices and clamped between the coacting opposite side walls of the container 1 and the lid 2. In another embodiment the knife blade 48 and the guide strip 36 are dispensed with the latter being replaced by a guide roller (103, Fig. 15). The top of the lid 106, Fig. 12, is modified by incorporation of a pair of spaced slots 107 which co-operate with plastics invoice registering buttons 116, Fig. 16, mounted on a common plate (117, Fig. 18) which is supported pivotally on a platen (109) and provided with arcuate lugs 125 which enter through perforations in the invoices 56. To remove the uppermost invoice from the autographic register a pencil is used to depress the buttons 116, the pencil engaging one of the perforations in the invoice to pull the latter outwardly so as to present the leading edge outside the autographic register housing. The leading edge is gripped to feed a new invoice into alignment with the buttons 116, whereupon the preceding invoice is severed.
Patent GB-1604301-A (GB)
Title: Printer ribbon arrangement
IPC: B41J35/04
Filed: 1978-05-26
Abstract: An ink-ribbon cartridge (28) in a printer with a moving printing point is arranged in a stationary manner while the ink ribbon (20) moves to the printing point and away from the latter over a predetermined ribbon length. The ribbon length is formed by a first flexible guide element (34) which extends from the cartridge (28) up to the printing point and a second flexible guide element (36) which runs from the printing point back to the cartridge (28). The cartridge has a supply roll for storing the ink ribbon (20) before it is supplied to the moving printing point and a receiving roll for storing the ink ribbon (20) when it has been returned from the moving printing point. The flexible guide element comprises a steel part with a transverse curvature in order to prevent the guide element assuming curvatures directed in the opposite direction and maintaining a curvature of substantially constant radius. <IMAGE>
Patent GB-461671-A (GB)
Title: Improvements in or relating to motor fuels
IPC: C10L1/18
Filed: 1935-08-17
Abstract: Fuel for Diesel or other internal-combustion engines consists of 5--95 lb. of furfurol with 95--5 lb. of liquid fuel of B.P. above 150 DEG  C. Benzine, benzene, methyl or ethyl alcohol, or other low-boiling liquid fuel may be added.  For example, 5--25 lb. of furfurol is added to 95--75 lb. bunker oil, standard Diesel oil, or light Atlantic Diesel oil.  The furfurol is stated to act as an anti-detonant.
Patent GB-626266-A (GB)
Title: Improvements in or relating to transformers
IPC: H03H7/01
Filed: 1947-08-21
Abstract: 626,266. Transformers. PLESSEY CO., Ltd. Aug. 21, 1947, No. 23165. Convention date, Aug. 28, 1946. [Class 38 (ii)] [Also in Group XL (c)] In order to reduce the di mensions of and inductivi losses in a metallic shield can 22, 23 of a transformer e.g. an intermediate fre quency transformer in a radio receiver, the coil unit 11, 12, comprising coils 18 19, wound on powdered magnetic cores 14 ar mounted in a structure 10 of powdered magnetic material to form a closed magnetic circuit, thereby eliminating stray fields and allowing the shield can to closely surround the structure 10. The cores 14 are provided with longitudinal and diametric slots to house the coils and the coupling is adjusted by rotation of the coil units relative to each other, the units being fixed, after adjustment, by a sealing compound. Alternatively the coils may be housed in circumferential slots in which case the coupling is adjusted by moving the units longitudinally relative to each other. An insulating member may be interposed between the shield can and the structure 10, the can being apertured to permit trimming condensers 25, 26, connected respectively in parallel with the adjacent coil, to be mounted therein and to permit adjustment of the condensers.
Patent GB-232502-A (GB)
Title: Improvements in or relating to processes and apparatus for the production of fodder,and the product obtained thereby
IPC: A01F25/16
Filed: 1924-10-02
Abstract: 232,502. H÷lken, M. Oct. 2, 1924. Portable furnaces.-Green fodder is preserved by passing hot gases through it from a furnace. The furnace, together with a pump-filter, &c., may be mounted on a vehicle 16, Fig. 2. An electric or other motor 21 drives the pump 19 that draws gases from the furnace 18 through a filter 33. The furnace consists of a central grate 23, Fig. 4, from which a passage 30 leads to an annular space 28, at one side of a radial partition, from the other side of which a tangential pipe 31 leads to the pump.
Patent GB-624707-A (GB)
Title: Improvements in or relating to implements for attachment to tractors having power lift devices
IPC: A01B69/02
Filed: 1946-08-06
Abstract: 624,707. Agricultural elements. FERGUSON, Inc., H. Aug. 6, 1946, No. 23355. Convention date, Aug. 24,1945. [Class 6(i)] Ground-engaging elements carried by a frame supported from a tractor are raised together., but, on lowering the frame one element is retained in the raised position. In a row-crop planter, marker-arms 11 are supported by a frame which is connected to a tractor by draft links 14 and link 20, the draft links being connected to a hydraulic lifting device through link 17 and arm 18. A secondary link 55 is pivoted on an upstanding portion 26 of the implement frame and is pivoted to a link 54 which is itself pivoted to link 20. When the implement is lifted by the hydraulic device the link 55 is moved in a fore and aft direction. The end of the link is connected to a pulley 39. Two marker arms 11 pivoted on the implement frame are connected by a chain passing over pulley 39 and pulleys 37, 38. Dogs 40, 41 are spring- urged to grip a portion of the chain against pulleys 37, 38 and are moved into and out of position by a cam 48 operated by a selector rod from the driving seat of the tractor. The chain 35 is of such a length that when the implement is working only one marker can be lowered at a time. On lifting the implement the selector rod is moved to allow one of the cams to grip the chain 35. On lowering the implement the marker associated with the cam that is gripping the chain will remain upright and the other marker will be lowered. To support the implement when it is detached from the tractor a stand is provided comprising a tube which is normally held elevated by a pin and is lowered for use and again locked by a pin. Specification 470,069 is referred to.
Patent GB-1235751-A (GB)
Title: Improvements in or relating to the extraction of coiled strips from cartridges
Inventor: VOCKENHUBER KARL
IPC: G03B1/56
Filed: 1968-05-16
Abstract: 1,235,751. Tape threading apparatus. K. VOCKENHUBER and R. HAUSER. 16 May, 1968 [16 May, 1967], No. 23412/68. Heading G5R. [Also in Divisions G2-G3] In a magnetic tape-threading device of the type disclosed in Specification 1,233,703, the endless belt 15 passing over friction drive roller 9 is driven by the roller 31 of a motor 17 external to and fixed relative to the displaceable member 8, the belt passing over a roller 16 on member 8 which is braked by star spring 34 with the result that, when the motor 17 is energized member 8 is advanced against a return spring 30 until caller 9 is adjacent the coil 4 when the brake 34 begins to slip and belt 15 drives the coil.