baber/WOPTO huggingface dataset:
Patent GB-529389-A (GB)
Title: Improvements in or relating to electric control of type setting machines
IPC: B41B11/18
Filed: 1939-05-16
Abstract: 529,389. Selective control of type-setting machines. CREED & CO., Ltd., and MITCHELL, W. A. May 16, 1939, No. 14605. [Class 40 (iii)] [Also in Group XVI] In a tape-controllec type-setting machine ir which the change frorr one magazine to another is effected by a locally operated key SK, Fig. 3, or by the operation of the key by an electromagnet EM energized in resporise to the code on the tape, parallel connected contacts M1, M2 are closed on receipt of combinations representing the first and second magazines respectively and contacts MA, MB are provided in series with M1, M2 respectively. Contact MA is mechanically closed when the second magazine is being used and MB is closed when the first is being used. Thus if a combination received closes contacts M1 while the machine is actually using the first magazine the contacts MA are open and no change can take place. The closing of contacts M2 can, however, effect a desired change to the second magazine.
Patent GB-730255-A (GB)
Title: Improvements relating to the roasting of sulphides
IPC: C22B1/10
Filed: 1953-05-26
Abstract: <PICT:0730255/III/1> Metallic sulphides, e.g. iron sulphide, are roasted in suspension in a process in which solid particles are carried out of the roasting zone in the uprising stream of gas, separated from it and returned to the roasting zone at such a rate that the ratio by weight of the solid particles returned to the unroasted sulphide fed is at least 5 : 1 and preferably 10 : 1. Fluidizing conditions are preferred, but by increasing the gas velocity upward flash roasting is possible.  Preferred features include the use of a gas velocity above the bed of 1.5-5 ft. per sec. (usually 2-4 ft. per sec.) at 1-5 lbs. per sq. in. and a temperature of 1100-1650 DEG  F.  In the Figure, which shows a number of preferred features, a primary separator 13 returns some, e.g. at least 80 per cent, or all of the calcine to the bed, and the gas then passes to a secondary separator 14 where the remainder, if any of the solids are separated together with solids from an outlet 18 from which the product may be discharged.  Product may also be discharged by outlets 17.  The coils 10 carry a fluid coolant and cooling may be controlled by laterally varying the flow of gases over the coils by means of barriers 11 in bustle 6. The particles returning to the bed may also be cooled.  Sulphur dioxide may be recovered from the exit gases after passing through gas cleaner 15.  In the example pyrrhotite particles of size such that not more than 10 per cent are retained on a 200 mesh (B.S.S.) seive are roasted.
Patent GB-760362-A (GB)
Title: Improvements in or relating to steroids
IPC: C07J5/00
Filed: 1954-05-19
Abstract: The invention comprises 2,4-dibromopregnane-17a -ol-3,11,20-trione, and a process for the preparation of a -brominated steroids by reacting a keto-steroid or the corresponding hydroxylated derivative capable of giving rise to the keto-steroid in the course of the reaction with an N-bromo-imide, an N-bromo-amide or an N-bromohydantoin in the presence of water and an oxidizable primary or secondary alcohol. The bromination is preferably effected at between 50 DEG  and 60 DEG  C., and specified oxidizable alcohols are isopropyl and benzyl alcohols, and/or the steroid starting material (if hydroxylated) may be used.  In the reaction approximately two molecules of N-bromo-imide or -amide and one molecule of oxidizable alcohol are required per atom of Br introduced, if acetic acid is present, otherwise approximately four molecules may be necessary. The process is particularly applicable for the preparation of 2,4-dibromo-3-keto-androstanes and -allopregnanes, 4-bromo-3 - keto - pregnanes, and 11 - bromo - 12 - keto - steroids, e.g. from desoxycholic acid.  In examples : (1) 21 - acetoxy - pregnane - 17a - ol - 3,11,20-trione in benzyl alcohol and t.-butyl alcohol containing a little water is warmed with N-bromosuccinimide yielding 4-bromo-21-acetoxy - pregnane - 17a  - ol - 3,11,20 - trione.  (2) Similarly pregnane-3,20-dione is brominated to 4 - bromopregnane - 3,20 - dione. (3) 21 - acetoxy - pregnane - 3a ,17a  - diol - 11,20 - dione is oxidized and brominated with N-bromosuccinimide in t-butyl alcohol, isopropyl alcohol and water to the product of (1); some 4,21-dibromo compound obtained as a by-product is converted to the 4-bromo steroid by treatment with sodium iodide and then formic acid). (4) Pregnane - 3a ,17a  - diol - 11,20 - dione is treated as in (3), replacing t.-butyl alcohol by acetic acid, to give 2,4-dibromo-pregnane-17a -ol-3,11,20-trione, which is then debrominated with zinc and acetic acid to pregnane-17a -ol-3,11,20-trione.  (5) Androstane-3b ,17b -diol-17-benzoate is treated as in (4) to give 2,4-dibromoandrostan - 17b  - ol - 3 - one 17 - benzoate, which is dehydrobrominated with collidine and saponified to D 1-dehydrotestosterone.  (6) 2,4-dibromoandrostane-3,17-dione is similarly obtained from androstane-3b -ol-17-one and subsequently dehydrobrominated to D 1,4-androstadiene-3,17-dione.
Patent GB-832266-A (GB)
Title: Improvements in or relating to cycle saddles
IPC: B62J1/02
Filed: 1957-05-09
Abstract: 832,266. Cycle saddles. HEALY, J. E. April 29, 1958 [May 9, 1957], No. 14780/57. Class 136(3) A cycle saddle has its seat 1 hinged at 4 to a member 5 so that it can be swung up and then down through 180 degrees into an inverted, lout-of-use position. The seat 1 is of sponge-rubber and has a base sheet 2 provided with a protruding peg 9 to register with a hole 8 in the member 5 and a marginal rain-collecting channel 3 for drainage away through a lip 3a. The member 5 is attached to the saddle pillar through a link 6 carrying a spring 13 and a socket 10.
Patent GB-272679-A (GB)
Title: An improved type of notice board or show card
IPC: G09F7/02
Filed: 1926-06-11
Abstract: 272,679. Leggatt, E. H. A. June 11, 1926. Loose-letter and like signs and notice-boards.- A notice-board or show-card comprises a board coated with a layer of permanently plastic material over which is fastened a sheet of fabric, such as woollen cloth. Pins carrying notices or skeleton letters are pressed through the fabric into the plastic material.
Patent GB-151062-A (GB)
Title: A self closing clip for bank or treasury notes, papers, tickets and the like
IPC: B42F9/00
Filed: 1919-06-12
Abstract: 151,062. Murphy, D. June 12, 1919. Boxes and cabinets; clamping-devices.-A clip or holder for treasury notes, papers, &c. of the kind having a base and up-standing sides provided with a hinged spring-pressed member, the latter co-operating with an overhanging member to hold the papers &c., is further provided with short stops on the inner faces of the sides to prevent the free ends of the papers from curling up. Two such holdets arranged side by side are described, one for 10s. notes and the other for ú1 notes, the stops referred to being shown at i. The contacting surfaces of the clip with the notes may be tipped with rubber to form a friction grip. In one modification, the holder is made in the form of an enclosed hand case, in another it may take the form of a drawer with or without other compartments for coin. The Provisional Specification states that the spring-pressed member may 'be hinged to the sides of the holder and the base thereby dispensed with.
Patent GB-962387-A (GB)
IPC: D21F1/06
Filed: 1963-04-16
Abstract: 962,387. Paper-making apparatus. WEST VIRGINIA PULP & PAPER CO. April 16, 1963 [May 18, 1962], No.14801/63. Heading D2A. Pulp is distributed uniformly across the width of a headbox 10 by dividing a stream of pulp into a number of smaller equally sized streams, directing adjacent streams in diverging directions and then conveying the streams so that the streams are blended into one stream of uniform velocity extending across the width of the headbox. In one example pulps flows turbulently from a tapered manifold 18 through pipes 19 the ends 23, 24 of which are inclined so as to direct pulp along diverging wall 28 or 29 of the inlet chamber ofthe headbox. The pulp streams are converged by plates 32 and are mixed by a flow evener roll 21. In another embodiment, Fig. 5, pulp streams, from two rows of pipes 19, attach themselves to the nearer diverging wall 39 or 40. In a further example the pipes 19 are arranged in a single row with each pulp stream being deflected by plates 50, 51 Fig. 7 (not shown) along one or the other of the diverging walls. Suitable dimensions of the pipes 19 and the inlet chamber are given.
Patent GB-475400-A (GB)
Title: Thermionic amplifiers
IPC: H03F1/36
Filed: 1937-05-28
Abstract: 475,400. Valve amplifying circuits. STANDARD TELEPHONES & CABLES, Ltd. May 28, 1937, No. 14850. Convention date, June 20, 1936. [Class 40 (v)] In a negative feed-back amplifier the feedback is taken to a control grid electrically separate from the input control grid. The Figure shows the feed-back 25 applied to one of the co-planar grids of a valve also having screen and suppresser grids, the co-planar grids are negatively biassed. An output bridge may be used to supply the feed-back and one or more of the bridge arms may be variable and frequency dependant to equalize variable line transmission or variable load, alternatively the variable impedance may be across a diagonal of the output bridge.
Patent GB-612196-A (GB)
Title: Improvements in beam weighing scales
IPC: G01G23/08
Filed: 1946-05-17
Abstract: 612,196. Weighing - apparatus. ABBEY A. (Forserums Mekaniska Verkstads Aktiebolog). May 17, 1946, No. 14998. [Class 143] The beam 1 of a balance is damped by a vane 9 immersed in oil or other fluid in a container 5, which is attached to the beam-supporting rod 3 so that the vane and container move together when the rod 3 is raised and lowered in the stand 4 to lock and release the beam. The container 5 can then be fitted with a closure 10, the vane 9 being connected to the beam by a rod 8 having a horizontal section 12 in line with the beam knife-edges 2 and passing through apertures in the container and closure
Patent GB-1333025-A (GB)
Title: Rubber-metal adhesion using halogenated quinone and resorcinol-aldehyde condensation product
IPC: C08L23/16
Filed: 1972-03-30
Abstract: 1333025 Bonding rubber to metal UNIROYAL Inc 30 March 1972 [5 April 1971] 15012/72 Headings C3E C3P and C3Q [Also in Division B2] Natural and/or synthetic rubber is bonded to reinforcing elements having a metal surface by incorporation in the rubber (a) a halogenated quinone and (b) a condensation product of resorcinol with benzaldehyde or a C 1-4  aliphatic aldehyde. Suitable quinones are chloranil (i.e. tetrachloro-p-benzo-quinone) and 2,3-dichloronaphthaquinone, others also being mentioned, and the preferred condensation product is of resorcinol and acetaldehyde. Various rubbers may be used, those of the examples being natural rubber, nitrile rubber, ethylene / propylene/ ethylidene norbornene copolymer rubber, and a mixture of natural rubber, cis-polybutadiene and oil-extended SBR. These rubbers, which contain conventional additives such as carbon black, processing oils, amine antioxidants, pine tar, and vulcanizing agents, are joined to stainless steel wire or brass plated steel wire. The coated wire may be used in tyre assemblies.
Patent GB-329828-A (GB)
Title: Improvements in or in connection with the supply of pulverised fuel to burners
IPC: F23K3/00
Filed: 1929-05-14
Abstract: 329,828. Soc. Anon. des Appareils de Manutention et Fours Stein. March 25, 1929, [Convention date]. Addition to 327,605. Fuel, feeding.-A modification of the fuel feeding device described in the parent Specification consists in suspending the spoon-like member 24 of each burner take-off by a control rod 25 so that it may be raised or lowered or turned in any direction. The control rod passes through a stuffing-box and may be locked in any position. The branch 23 which is arranged at the junction of the pipe line 21 and each burner take-off pipe may be turned round the axis of the pipe to occupy any position. To permit this the branch and pipe flanges are gripped between annular plates (not shown) secured by bolts and nuts. The pipe line 21 is provided with truncated conical members 22 to produce a homogeneous mixture of air and fuel.
Patent GB-369074-A (GB)
Title: Improvements in processes and apparatus for moulding hollow bodies from fibrous materials
IPC: D21J7/00
Filed: 1931-05-21
Abstract: 369,074. Moulding pulp. RUTISHAUSER, A., 54, Rigistrasse, Zurich, Switzerland. May 21, 1931, No. 15041. Convention date, May 30, 1930. [Class 87 (ii).] In the casting of hollow containers such as bottles from fibrous pulp in pervious moulds, the zone of deposit of the pulp, on the walls of the mould is advanced progressively from one end of the mould to the other and is regulatable at will. The mould d<1>, which comprises a number of folding hinged walls connected by a fastening-device d<111>,< >Fig. 3, so that it can be unfolded from the moulded article, is raised progressively, relatively to the fixed piston d2, by the winch e during the moulding operation. Pulp runs continuously from the tank a<2> through the pipes a<5>, d<3> into the mould, a constant head N of liquid being maintained in the mould by supplying additional pulp to the tank through the pipe a<1> to maintain the level therein. In practice the head N will be set initially to suit the particular article being moulded and the speed of raising regulated in accordance with the thickness of deposit required. Gaseous fluid is supplied through a pipe b<1> and telescopic pipes b<2>, b<3> to both the tank and mould during the moulding process. As a final step gaseous fluid is admitted to the lower end of the mould through the pipes c<2>, d3 after the cock a<4> has been closed to cut off the supply of pulp.
Patent GB-568858-A (GB)
Title: A process for the manufacture of a cumarin derivative
IPC: C07D311/48
Filed: 1943-09-14
Abstract: 3 - (o  - Salicoyl - ethyl) - 4 - hydroxycumarin is prepared from 3 : 31 - methylene - bis - 4 : 41 - hydroxycumarin or its esters by treatment with a mild hydrolysing agent.  In examples: (1) the sodium salt of 3 : 31-methylene-bis-4 : 41-hydroxycumarin is heated to 95 DEG  C. for 2 hours in aqueous solution and then acidified with dilute hydrochloric acid.  (2) 3 : 31-Methylenebis-4 : 41-hydroxycumarin is boiled under reflux with dilute methyl alcoholic soda.  (3) The phosphoric acid ester of 3 : 31-methylene-bis-4 : 41-hydroxycumarin is heated in aqueous solution to 95 DEG  C. for 4 hours.
Patent GB-1004391-A (GB)
Title: Crimping an electrical connector to a wire
IPC: H01R4/18
Filed: 1964-04-13
Abstract: 1,004,391. Direct connection between conductors. AMP Inc. April 13, 1964 [May 3, 1963], No. 15087/64. Heading H2E. [Also in Division B3] A U-shaped ferrule 5, 6, 7 of an electrical connector 1, Fig. 1, is crimped (see Division B3) to a wire W, Fig. 8, by compressing the arms 6, 7 to increase their cross-sectional area and to compress the wire. The upper parts 7 of the limbs may be sheared from the lower parts 6 during the crimping operation and lodged between the parts 6, compressing the wire into triangular cross-section. If a thicker wire W<SP>1</SP> prevents shearing of the parts 7, they assume the attitude depicted in Fig. 9. The connector 1 is similar to that described in Specification 960,997.
Patent GB-605054-A (GB)
Title: Improvements in or relating to means for damping pulsations in gaseous currents
IPC: F17D1/20
Filed: 1945-06-14
Abstract: 605,054. Compressing air. DEHN, F. B. (Fluor Corporation, Ltd.). June 14, 1945, No. 15157. [Class 8 (i)] [Also in Group XXVII] Apparatus for damping pulsations in a gas line especially applicable to the connections of a reciprocating pump, comprises two pulsation absorption chambers 23, 24 connected in series by one or more restrictive passages 25, the chambers preferably having the same size; the passage may be valve controlled. The sizes of the chambers and passages for a given velocity and frequency of pulsation of the gas are calculated by a formula. The inlet or outlet of the pump is connected to a branch 11 of a shell 19 forming the two chambers 23, 24. The pipes forming the passages have inlets and outlets 29, 30 and a depending nozzle 33 through which deposited liquid is sucked up. The pipes are welded to cross-stays 26. A baffle 34 over the exhaust passage 21 causes the outgoing gas to entrain liquid deposited in the bottom of the chamber.
Patent GB-654188-A (GB)
Title: Improvements in or relating to closed liquid cooling systems of internal combustion engines
IPC: F28D1/053
Filed: 1948-06-04
Abstract: 654,188. Cooling cylinders. DEHN, S. G. (Le Roi Co.). June 4,1948, No. 15178. '[Class 7(ii)] In a cooling system in which vapour formed in the cylinder jackets is. condensed by air supplied by a blower 21, the condenser tubes 14 are inclined, and have elliptical transvers cross-sections which are wider vertically than horizontally, to facilitate return of the compensate. The tubes are mounted on a casing 16, in open communication with, and directly attached to, the cylinder jacket 10, and the blower rotor is directly connected to the engine crankshaft 11, and has an inlet screen 24. The tubes 14 are connected by a head 18 having a safety valve and are attached to an air duct 25. They may have external fins or projections.
Patent GB-281179-A (GB)
Title: Improvements in and relating to electric water heating means
IPC: F24H1/20
Filed: 1927-06-07
Abstract: 281,179. Hanson, A. F. E. June 7, 1927. No Patent granted (Sealing fee not paid). Heating by electricity.-The inlet valve 10 to the hot water tank is controlled by the heating current. The valve comprises a brass-tube 19 fitted with a strainer 9 and an iron valve body 20 covered with brass. A coil 23 surrounding the tube is arranged in series or parallel with the heating element, or is energized by the heating current through a relay. The iron core 20 may be separate from the valve body. The valve is situated in a pipe 11 communicating with a cold water tank 6 having a float controlled inlet valve 8 and with a cylinder 15 removably secured in the hot water tank and containing a heating element 13 and a thermal switch 14. Outlets 17 and 24 from the hot and cold tanks respectively are connected to a mixing valve. Reference has been directed by the Comptroller to Specification 290,821.
Patent GB-1344507-A (GB)
Title: Photographic camera
IPC: G03B15/04
Filed: 1971-05-17
Abstract: 1344507 Photographic cameras EASTMAN KODAK CO 17 May 1971 [15 May 1970] 15254/71 Heading G2A In a camera of the type having a two-slide shutter, there is provided means for synchronizing shutter operation with the firing of a bulb of an inserted multi-lamp percussive flash unit. Insertion of a unit in the camera socket 17 pivots a lever 19 thereby allowing a firing member 5 to rise until it contacts the striker 6 of the bulb to be fired. This brings a pin 5a into the path of a driving lever 3, which is moved to the right (as seen) upon operation of a shutter release member (not shown). The lever 3 engages a shutter opening member 2 which is also moved to the right, thus uncovering the camera aperture 1 and tensioning a spring 7, Fig. 2, (not shown). A known electronic exposure timing unit will energize a magnet 8 thereby rotating an armature 9 and freeing a shutter closing member 10 to move to the right under action of the spring 7 Fig. 3, (not shown). During film advancing  operation, the driving lever 3 is returned to its Fig. 1 position, thus returning the member 2, which carries with it the member 10. In another embodiment, Figs. 4-6, (not shown) the driving lever (3) is not connected to the opening member (2). An additional spring (11) is secured to a lug (2a) of the member (2) and to the camera housing. After the member (10) has closed the aperture (1), the additional spring (11) acts to return the members (2,10) to their initial positions, while the lever (3) is again returned by the film advancing mechanism.
Patent GB-894743-A (GB)
Title: Shaft mounting
Inventor: REED GABRIEL
IPC: F16C35/077
Filed: 1958-05-13
Abstract: 894,743. Bearings. VACTRIC (CONTROL EQUIPMENT) Ltd. May 13, 1959 [May 13, 1958; Sept. 18, 1958], Nos. 15296/58 and 29912/58. Class 12 (1). A shaft is mounted in spaced-apart bearings R, R<SP>1</SP> received by bores B, B<SP>1</SP> of portions P, P<SP>1</SP> of a housing. The portion P has. annular recesses 11, 12 which receive a bowed circlip 13 and a flat circlip 14 respectively, and an outer race 10 of the bearing R is clamped therebetween. An inner race 9 of the bearing R is held against a shoulder 15 of the shaft by a bowed circlip 16 positioned in an annular recess 17 in the shaft. The portion P<SP>1</SP> has an annular recess 18 which receives a spring ring 19 to hold an outer race 10<SP>1</SP>, and an inner race 9<SP>1</SP> is held by a spring-ring 21 mounted in an annular recess 20 of the shaft. A flat circlip 25 may be retained in an annular recess 24 of the portion P<SP>1</SP> to limit axial movement of the ring 10<SP>1</SP>. In a further modification as shown in Figs. 2 and 3, the outer race is held by a spring spider 26 having equi-spaced fingers 27 which are bent at 28 so as to grip said outer race. The spinder 26 is prevented from rotating by the fingers being held in recesses 29 of the housing and the inner race is again held by the ring 16 in the groove 17 of the shaft.
Patent GB-585228-A (GB)
Title: Improvements in or relating to glazed tiles and the like
IPC: F24B1/04
Filed: 1945-07-12
Abstract: 585,228. Facing tiles. SOUTH WALES BUILDERS SUPPLY CO., Ltd., MORGAN, H. W., and JONES, P. C. July 12, 1945, No. 15309/44. [Class 87 (i)] A facing tile A has all four edges of its rear face cut away as at B.
Patent GB-1221424-A (GB)
Title: Production of graphite filaments
Inventor: RENDELL MICHAEL
IPC: D01F9/14
Filed: 1967-04-04
Abstract: 1,221,424. Graphitized carbon filaments. COURTAULDS Ltd. 18 June, 1968 [4 April, 1967], No. 15384/67. Heading C1A. Graphitized carbon filaments are produced by heating carbonized filaments in an inert atmosphere at a temperature greater than 2000‹ C. in a plasma generator. The plasma generator may be either a high frequency induction or direct current plasma torch. Continuous filaments or staple fibre may be employed in the process.
Patent GB-459478-A (GB)
Title: Method of and apparatus for curling feathers
IPC: B68G3/08
Filed: 1936-06-02
Abstract: 459,478. Feathers. AMKRAUT, E., 128, Front Street, Brooklyn, New York, U.S.A. June 2, 1936, No. 15445. [Class 63] Feathers comprising chicken and turkey feathers to be used as filling for bedding and upholstery are subjected to direct pressure and heat around a surface shaped to impart to the quill a lengthwise curl. A suitable apparatus comprises a plate 5 heated by an electric resistance 5<1>, and a belt 3 guided by pulleys 6, 7 passing around the heated end of the plate. A second belt 4 is guided over pulleys 10.. 13, to carry feathers placed lengthwise of the apparatus between the two belts and to curl them around the heated end of the plate. A suction nozzle 9 removes the curled feathers. Modified apparatus comprises a belt passing around a heated roller. In another modification, a driven disc with staggered hemispherical projections on its periphery co-operates with a second disc having hemispherical recesses into which the projections enter as the discs rotate.
Patent GB-1495339-A (GB)
Title: Process for detoxificating aqueous formaldehyde-containing effluents
IPC: B01J19/00
Filed: 1975-04-16
Abstract: 1495339 Detoxificating formaldehyde-containing effluents DEUTSCHE GOLD-UND SILBER SCHEIDEANSTALT 16 April 1975 [22 April 1974] 15608/75 Heading C1C A process for detoxificating a formaldehydecontaining aqueous effluent comprises treating the effluent with hydrogen peroxide in the presence of an alkali at a starting temperature in the range from 10 to 35 C. The hydrogen peroxide may be a 30 to 50% by weight solution, the alkali NaOH, and the effluent may be neutralized with a mineral acid and then subjected to a biological purification. The invention may be used at both high and low formaldehyde concentrations, e.g. from 0À01 to 10% by weight in the effluents, with a reaction time of from 3 to 30 minutes.