baber/WOPTO huggingface dataset:
Patent GB-1270883-A (GB)
Title: Improvements in or relating to a method of and machine for straightening parts
IPC: B21D3/04
Filed: 1970-02-12
Abstract: 1,270,883. Straightening; altering physical properties. CARGILL-DETROIT CORP. 12 Feb., 1970 [13 Feb., 1969], No. 6758/70. Headings B3E and B3V.  A method for straightening cast iron camshafts comprises applying a longitudinal compressive load not exceeding the elastic limit of the material, applying a transverse bending load which in combination with said compressive load provides a maximum compressive stress exceeding the elastic limit of the material and finally releasing said compressive and bending loads. A machine for carrying out the method comprises a frame 11 supporting an overhead member 12 carrying an hydraulic ram assembly 15 and guides 17. The assembly 15 carries rollers 19 for engaging the workpiece, e.g. a camshaft 21 which is supported by rollers 22 mounted on air cylinders 24. The workpiece is held between bearing assemblies 26, 27 and rotated by a motor and gear-box 25. An hydraulic cylinder 31 applies the axial load to the workpiece. The right hand end of the camshaft fits into a socket 51 in the bearing assembly holder 42 of the assembly 27 and the left hand end 52 is serrated to engage serrations surrounding the driving centre of the bearing assembly 26. The axial compression cylinder 31 is actuated by a solenoid-operated valve in a low-pressure circuit and a high-pressure circuit actuates the ram 14, a solenoid-operated valve controlling the rapid vertical reciprocating movement when not working on the workpiece. The air pressure in the support cylinders 24 is controlled to prevent buckling of the camshaft under the compressive loading. The Specification describes in detail an electrical control circuit for the automatic loading and unloading of the machine and the machine actuation. If the workpiece is of non- cylindrical cross-section, e.g. an I-section beam (Fig. 7), one or more collars 110 are used to grip the section and the cylindrical outer surface of the collar is engaged by the rollers 19, 22. The final stress distribution diagrams for bars of steel, ductile iron and grey cast iron after treatment by the method are included in the Specification.
Patent GB-909246-A (GB)
Title: Improvements in, or relating to, electrical converters
IPC: H02M7/54
Filed: 1960-02-26
Abstract: 909,246. Converting. NICHOLLS, H. R., and NICHOLLS, R. G. A. Feb. 2, 1961 [Feb. 26, 1960], No. 6793/60. Class 38 (2). A D.C. to A.C. converter comprises a plurality of series-connected excited coils wound on a closed magnetic core, the junctions of the coils being connected to commutator segments which are wiped by equiangularly disposed brushes, at least one of said brushes being connected to one D.C. supply terminal, and at least two of the brushes being connected to the other D.C. terminal, an output coil being provided on the coil. In the embodiment described there are four exciter coils and three brushes.
Patent GB-563610-A (GB)
Title: Improvements in and relating to spacers for electrical windings
IPC: H01F27/30
Filed: 1943-04-30
Abstract: 563,610. Transformers. BRITISH THOMSON-HOUSTON CO., Ltd. April 30, 1943, No. 6866. Convention date, May 5, 1942. [Class 38 (ii)] An insulating spacer for separating concentric windings of a transformer or other electrical apparatus comprises a rolled strip of cellulosic material compressed to a square or other shape, notches 23 being cut in it to receive structural portions of the apparatus such as the rims 25 of channel members which carry a number of axially-arranged disc coils 17, 18 arranged as in Specification 563,452. A series of these spacers is arranged in the annular space between two windings.
Patent GB-378347-A (GB)
Title: Improvements in or relating to photographic cameras with telemeters
IPC: G03B13/20
Filed: 1932-03-07
Abstract: 378,347. Cameras. ZEISSIKONAKT.- GES., 72, Schandauer Strasse, Dresden, Germany. March 7, 1932, No. 6877. Convention date, Sept. 14, 1931. [Class 98 (i).] In a camera having a screw-threaded focusing sleeve which carries the lens and controls the adjustment of a telemeter which is used for focusing purposes, the focusing sleeve has a control cam for controlling the telemeter. The focusing sleeve 7 carrying the lens 4 is screwthreaded at 6 and has a control cam 5 against which the pivoted arm 3 carrying one of the mirrors 2 of the telemeter 1, 2, is resiliently pressed. The focusing sleeve is rotated by gearing from a thumb-wheel 8 projecting outside the camera casing.
Patent GB-504768-A (GB)
Title: Improvements in or relating to resistance wires or the like
IPC: H01B1/02
Filed: 1938-03-05
Abstract: 504,768. Alloys. JAHN, C. A. H., and JOHNSON, MATTHEY, & CO., Ltd. March 5, 1938, No. 6941. [Class 82 (i)] Alloys for electric resistances, for example for use in blasting-caps, consist of 60-80 per cent of platinum, 10-30 per cent of palladium, and 2-15 per cent of rhodium or ruthenium.
Patent GB-699921-A (GB)
Title: Improvements in or relating to cleaning observation windows in high vacuum chambers
IPC: F27D25/00
Filed: 1951-03-22
Abstract: 699,921. Cleaning windows. VOGT, A. March 22, 1951 [March 22, 1950], No. 6946/51. Class 138 (i). Relates to apparatus for cleaning off layers of light absorbent solids condensed on the observation window of a high vacuum chamber wherein means are provided on the inner surface of the window for mechanically pushing off the layers. As shown in Figs. 1 and 2 a high vacuum chamber 2 used in melting or casting metals, is provided in its wall 1 with a cover 3 having an observation glass 4 sealed by packing 5 to maintain the high vacuum through the agency of a ring 6 and bolts 7. An observation window 8 is exchangeably mounted in front of the glass 4, by means of a holder 9. In order to clean the window 8 a wire bristle brush 16 is arranged along a radial edge of a sector shaped plate member 15 mounted for rotation on a shaft 10 passing through the cover 3. The shaft is sealed with respect to the cover by a high vacuum packing seal 12. The shaft 10 is rotatable by a handle 11 or by other mechanical means. When it is not required to make observations the window 8 is covered by the member 15 so that it is protected as far as possible from being coated with layers of solid deposits from vapours or gases within the chamber 2. The brush may be integral with or connected to the plate 15. Also the plate 15 may be replaced by a circular screen provided with radial apertures to receive strips provided with bristles.
Patent GB-827401-A (GB)
Title: Improvements in or relating to tea rolling devices
Inventor: MCILVEEN JOSEPH CYRIL
IPC: A23F3/12
Filed: 1957-03-01
Abstract: 827,401. Tea rolling devices. DAVIDSON & CO. Ltd. Feb. 24, 1958 [March 1, 1957], No. 6970/57. Class 129. A tea rolling device has a relatively movable container and table 11, the latter having a cone 12 at or near its centre with ports 13 in its wall associated with a valve device 14 also having ports 16 through which two sets of ports tea leaf may flow to below the table, the flow being regulable by relative movement of the ports from zero to a maximum. As shown, the bottom end of cone 12 is formed as a discharge shoot 15. Cone 12 may have outwardly-sloping sides, Fig. 2 (not shown). As shown, Fig. 4, ports 13 extend as passages to the base of the cone which engages the top wall 20 of discharge shoot 15 which is provided with ports 16. Device 14 may be actuated by a lever below table 11.
Patent GB-103925-A (GB)
Title: Machine for Rough Cutting Precious, Semi-precious or Synthetic Stones or Imitations thereof.
Inventor: BARKER REGINALD WALTER
IPC: B24B9/16
Filed: 1916-05-16
Abstract: 103,925. Barker, R. W., (Heller & Sons, L.). May 16, 1916. Dash-pots.-A dash-pot forming part of the feeding-mechanism of a gem-cutting machine comprises a piston 25 formed with holes 31, normally closed by a valve 32, and with holes 35 leading to a channel 34. A well 30 communicates through holes 29, 29' with the cylinder 26 and the channel 34 respectively, the flow of oil being regulated by a valve 27. The piston rests on a returning-spring 33.
Patent GB-549778-A (GB)
Title: Improvements in or relating to electron discharge devices
IPC: H01J1/48
Filed: 1941-06-03
Abstract: 549,778. Alloys. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. June 3, 1941, No. 7035. Convention date, May 31, 1940. [Class 82 (i)] Grid electrodes for electron discharge devices are made of alloys consisting of nickel, or nickel and cobalt, containing a few per cent. of manganese and a small amount of carbon. The manganese content may be 0.5-10 per cent., the carbon 0.1-0.5 per cent., and the cobalt, if present, 5-50 per cent. In making the alloy, an alloy of nickel with about 3 per cent. of carbon may be made and added in small pieces to a melt of nickel and manganese.
Patent GB-526033-A (GB)
Title: Improved manganese alloy
IPC: C22C28/00
Filed: 1939-03-03
Abstract: 526.033. Alloys. TENNANT, W. J. (Consolidated Mining & Smelting Co. of Canada, Ltd.). March 3, 1939. No. 7049. Drawings to Specification. [Class 82 (i)] An alloy consists of at least 30 per cent. of manganese containing not more than a total of 1 per cent. and preferably less than 0.3 per cent. of iron, carbon, aluminium, and silicon as impurities. the balance of the alloy being copper, or copper and nickel. A specific example consists of 30 per cent. copper, 20 per cent. of nickel, and 50 per cent. of manganese of the above purity. The manganese may be obtained by distillation or electrolysis. Reference has been directed by the Comptroller to Specification 526,093.
Patent GB-106521-A (GB)
IPC: F04C18/44
Filed: 1916-05-22
Abstract: 106,521. Wells, R. F., and Milner, H. L. May 22, 1916. Fixed - abutment type; discharge and suction passages ; packing drums and vanes. -A rotary airblower for use with flying-machines comprises a drum c carrying hinged vanes e in peripheral recesses d and mounted eccentrically in a casing a having its inlet and outlet passages g, j arranged tangentially as shown. Oil for lubricating and packing is supplied to the pivots f through the side walls of the casing, and is collected at the outlet port j by a. recess l and forced, by the delivery pressure through pipes back to the side walls. The drum may be mounted on ball bearings p and driven through gearing; or it may be secured to the shaft b, which is then driven directly. The vanes may be pressed outwards centrifugally, or by springs &c.
Patent GB-988410-A (GB)
Title: Thermosetting epoxy resin coating powders
IPC: C08G59/50
Filed: 1963-02-22
Abstract: A thermosetting coating powder comprises the finely divided reaction product of (1) at least one epoxy resin having terminal epoxide groups and (2) a fatty guanamine having the formula (A)x\B in which A is the group <FORM:0988410/C3/1> x is 1 or 2 and B is R, R.NH.CH2.CH2-, R.N(CH2CH2-)2 and R1, in which R is an aliphatic hydrocarbon group containing from 4 to 21 carbon atoms and R1 is a divalent hydrocarbon group derived from a dimerized unsaturated fatty acid having from 5 to 22 carbon atoms, which reaction product has been prepared by reacting the epoxy resin with an amount of the guanamine sufficient to cure the epoxy resin to an infusible and insoluble polymer but terminating the reaction when 5 to 90% complete based upon the disappearance of oxirane oxygen.  Flow control and anti-caking agents such as amorphous silicas, dehydrated silica gels, attapulgite, kaolin, amorphous alumina, talc, aluminium silicate and calcium carbonate, and pigments such as titanium dioxide, lead chromate, chrome yellow, chromium oxide, ultramarine blue, red iron oxide and toluidine may be added to the resin before, during or after the final curing.  Many epoxy resins and fatty guanamines are specified.  The powders are useful in fluidized bed coating processes.  Specifications 963,507, 965,588, 965,828, 969,256, 969,257 and 978,876 are referred to.ALSO:A process for coating an article comprises the steps of (1) treating the article so that a coating powder will adhere thereto, (2) coating the article with a powdered, thermosetting, partial reaction product of an epoxy resin and a fatty guanamine (see Division C3), and (3) heating the coated article so as to provide an insoluble infusible coating thereon.  In step (1) the article may be heated to a temperature between the melting and reaction temperatures of the powder, coated with a primer or given an electrostatic charge.  In step (2) the powder may be applied by spraying or by means of a fluidized bed of the powder. The article may be made of steel, iron, aluminium, copper, zinc, or p alloys thereof, glass, plastics or ceramics, and may be electrical insulators, bolts, pins, metal sheets, tubular sleeves, pipes, hooks, sieves, screens, gears, switches or bellows.  Pigments such as metallic oxides and chromates, ultramarine and toluidine red may be included in the coating.  Specifications 963,507, 965,588, 965,828, 969,256, 969,257 and 987,876 are referred to.
Patent GB-1426304-A (GB)
Title: Thrust bearings
IPC: F16C17/06
Filed: 1974-02-18
Abstract: 1426304 Bearings HOWALDTSWERKEDEUTSCHE WERFT AG HAMBURG UND KIEL 18 Feb 1974 7287/74 Heading F2A A bearing assembly having a shaft 1 carrying an annular thrust flange 2 has a set of thrust elements 4 on each side of the flange the thrust elements of each set being located around the flange in a cage 6 comprising an annular disc having radially extending recesses 7 in its outer periphery which receive the elements. One face of each element is in bearing contact with the flange and the other face contacts a bearing housing. Stops may be provided in the housing to prevent rotation of the cages. A projection may be provided on the rear face of each pad which is located in the recess and engages the bearing casing. The easing may be provided with an aperture 11 which facilitates inspection and replacement of parts.
Patent GB-1136862-A (GB)
Title: Improvements in or relating to process for direct duplication in plastic of filaments, porous and non-porous sheets, objects and articles and the products thereof
IPC: C08J9/24
Filed: 1966-02-18
Abstract: 1,136,862. Duplicating fibrous material. CHEMPLAST, Inc. 18 Feb., 1966 [18 Feb., 1965], No. 7328/66. Headings D1L and D1R. A process for producing a self-supporting product of plastics material which is a substantial duplicate of the fibre geometry of a less thermally and chemically stable matrix formed from an organic fibrous material comprises the steps of:-impregnating the matrix with discrete particles of a plastics duplicating substance which has a critical sintering temperature in the range of carbonization temperatures for the organic fibrous material; heating the impregnated matrix to effect concurrent carbonization of the organic fibrous material and sintering of the discrete particles of the duplicating substance; and removing any residue of the organic fibrous material remaining after carbonisation to leave a self-supporting duplicate of the matrix in the plastics material. The matrix is preferably impregnated with a colloidal suspension of a polyfluorocarbon resin, the particle size of which does not exceed 0.5 microns. A wetting agent may be added to the suspension to ensure passage of the duplicating substance from the discontinuous to the continuous phase during carbonisation of the organic fibrous material. The matrix may be pretreated as by printing to produce a printed duplicate. The duplicating substance may have added to it other compatible substances e.g. silica, titania, a metal carbonyl, an amino-triazol mixture (to impart softness) and the self-supporting duplicate may be coated with a bacteriocide or an ion exchange resin selected from suphonic acid derivatives of polystyrene. Apparatus for carrying out the process comprises an impregnating tank, a drying oven at 300F, a heating furnace at 350-600F, a sintering furnace at 625-900F, and means for passing the matrix through such apparatus in that sequence, an oxidation chamber to receive the sintered duplicate, means for neutralising and drying the duplicate and means for receiving and storing the duplicate. The sintering is preferably conducted in a controlled oxygen forced circulation flow. The oxidation may be effected by hot air passage, refluxing in nitric acid and/or hydrogen peroxide, refluxing in hot aqua regio (HCl/HNO 3 ), refluxing in nitric acid then bleaching in hydrogen peroxide and/or sodium hypochlorite. The oxidation removes the carbonaceous residue remaining after carbonisation. The oxidised duplicate may be neutralised by hydrolysing and washing in distilled water. Examples of matrices which can be duplicated are woven cloth material e.g. cotton, a tea bag of hemp fibres, a paper thimble of filter paper pulp and tissue paper.
Patent GB-1284512-A (GB)
Title: Liquid lubricants
Inventor: FROESCHMANN RASMUS
IPC: C10M129/66
Filed: 1971-03-22
Abstract: 1284512 Lubricants OPTIMOL-OLWERKE GmbH 22 March 1971 7480/71 Heading C5F Lubricants comprise a mineral or synthetic base oil and 0À1-20 wt. per cent of an epoxidized ester of a C 10 -C 22  aliphatic acid. The epoxygroup may be present in either the acid or alcohol moiety and may be derived from a C 1 -C 18  mono- or poly-hydric alcohol. Many examples of such esters are given including epoxidized capric acid methylate, laurylate, geraniolate, pentaerythritolate and polyethyleneglycolate. The lubricant may also contain a dialkyl or diaryl dithiophosphate or a dialkyl dithiocarbamate of a metal selected from Pb, Sn, W, Mo, Zn, Nb, La, Sb, Bi, Cr, V and Cd and the reaction product of sulphurized terpene and/or sperm oil with thiophosphoric acid or phosphorus pentoxide. The synthetic base oil may be a polyglycol or diester (conventional examples given).
Patent GB-1353313-A (GB)
Title: Actuator devices for track-switches of underfloor conveyors
IPC: E01B25/00
Filed: 1973-02-15
Abstract: 1353313 Track switch actuator H-G FROMME 15 Feb 1973 [7 March 1972] 7514/73 Heading B7H In a floor conveyer system in which a track switch 5 is actuated to divert a vehicle 1 from a main track to a branch track when a pivotable lever 8 is engaged by an address pin 2 mounted on the vehicle, each lever 8 is mounted between two halves 9 of a protective cap which is depressible below the floor surface against a resilient restoring force when the cap is, e.g. inadvertently engaged by a vehicle wheel. The two halves of the cap are mounted in a cylindrical sleeve 17 and are integral with a hollow substantially airtight body 15 having resilient walls.
Patent GB-290596-A (GB)
Title: Toy
IPC: A63H1/22
Filed: 1928-03-12
Abstract: 290,596. Arnold, C. May 16, 1927, [Convention date]. Addition to 286,625. Optical toys; tops for spinning on surfaces.- Relates to a spinning toy of the kind described in the parent Specification comprising a rotatable disc having reflecting surfaces over which coloured transparencies are mounted, and consists in arranging the reflecting surfaces eccentrically of the axis of rotation. As shown, the invention is applied to a top comprising a disc 1 mounted on a pin 9. The disc is provided with circular reflecting surfaces 3 arranged eccentrically of the pin 9 and covered with coloured transparent sheets 4 of gelatine, celluloid, lacquer or glass. In a modification, the disc may be driven mechanically.
Patent GB-1079475-A (GB)
Title: Photographic materials for the silver dyestuff bleaching process
IPC: G03C7/29
Filed: 1966-02-22
Abstract: The invention relates to dyes of the formula <FORM:1079475/C4-C5/1> wherein X is H, halogen, alkyl, alkoxy, hydroxy alkoxy, alkoxyalkoxy, or acylamino and Y is H, alkyl or alkoxy.  These dyes are prepared by reacting a pyridine dicarboxylic acid dihalides with an appropriate aminoazo dyestuff, such amino azo dyestuffs being obtained by coupling diazotized 2-amino-naphthalene-4,8-disulphonic acid with an appropriate aminobenzene. In examples, X and Y are methoxy, hydroxyethoxy, methyl, acetylamino, chlorine, methoxymethoxy and ethoxy.
Patent GB-717781-A (GB)
Title: Improvements in vehicle couplings
IPC: B60D1/06
Filed: 1952-03-26
Abstract: 717,781. Vehicle couplings. BILLING- TON, H. E., and BIRD, H. A. March 26, 1952, No. 7712/52. Addition to 664,988. Class 103(5) A coupling as described in the parent Specification is provided with an adjustable wear-pad 19 in screw -threaded engagement with the head 15 and the key 31 which engages the slot 32 in the slide 17 is mounted in a bush 30 in screw-threaded engagement with the head 15. To prevent disengagement of the coupling a ring 25 pivoted to the slide 17 engages at its lower end a projection on the head 15.
Patent GB-558151-A (GB)
Title: Improvements in or relating to sliding clasp fasteners
IPC: A44B19/30
Filed: 1942-06-09
Abstract: 558,151. Sliding-clasp fasteners. MARLOW, E. H., and FLASH FASTENERS, Ltd. June 9, 1942, No. 7884. [Class 44] A locking slider for a sliding-clasp fastener has a pawl mounted in a recess 16 extending through the upper part of the slider above the fastener members 11, the pawl having a nose portion 19 adapted to engage between fastener members under the action of a leaf spring 28, a portion extending rearwardly from the nose close and parallel to the members, and its rear end abutting, in locking position, against the rear wall 20 of recess 16 to take thrust. The pawl is also lifted by cam action on pulling the tab 29 in either direction, a cross-bar 30 of the tab engaging with cam surfaces on the upper face of the slider, or as shown, engaging cam surfaces 33. 34 on the upper wall of a slot in the pawl through which the bar extends. The pawl described is pivoted by a single boss 21 engaging a depression in one wall of recess 16. Pawl and spring are retained by a slotted metal cover 23. A modification is described in which the nose 19 is laterally offset and recess 16 correspondingly shaped.
Patent GB-639118-A (GB)
Title: Improvements in and relating to driving apparatus for straight bar knitting machines
IPC: D04B15/99
Filed: 1946-03-14
Abstract: 639,118. Knitting. LANCASHIRE DYNAMO & CRYPTO, Ltd., NEVELIN ELECTRIC CO., Ltd., COTTON, Ltd., W., COWLEY, F. T., and LYNAN, J. E. March 14, 1946, No. 7932. [Class 74 (ii)] [Also in Group XXXVII] In or for a straight bar knitting-machine, driving apparatus, of the kind comprising a direct current electric motor having field control and supplied by a mercury arc rectifier with controllable grid bias, is combined with a manually operable phase shifter to control the grid bias and with both manually operable and pattern-controlled means for varying the motor field. When control-rod 9 is in the extreme left-hand position the machine is stationary. Initial movement of the rod to the right closes switch 8, which operates a relay 7 to close the main D.C. contactor 6. Further movement to the right moves a phase-shifter 12, to alter the grid bias to give full armature volts; and the motor runs at a predetermined speed. Continued movement of rod 9 moves an arm 10a, to insert a regulator 10 in the circuit of the motor shunt field winding 2, so that the motor now runs at full, normal knitting speed. To lower the speed for fashioning or for plating, a suitable patterning or timing device closes a switch 13a or 17a, to short an appropriate portion of the regulator and close, for a while, a switch 13b or 17b, controlling a relay 14 which disconnects the armature by opening a switch 15a and places a braking resistance 16 across it by closing a switch 15b. An extremely slow speed, for welt turning or carrier changing, is obtained by closing switches 18a, 18b by a suitable timing or patterning device. The switch 18a remains closed for only a short period and operates the braking relay 14. Switch 18b operates a relay 19, which shifts a contactor 5 to change the tappings on the transformer secondary 4, reducing the voltage to the anodes 3a; and, simultaneously, a contactor 5a shorts out the shunt regulator 10. The patterning mechanism may be set to effect this change to the extremely low speed immediately before the machine stops.