baber/WOPTO huggingface dataset:
Patent GB-652786-A (GB)
Title: Improvements in or relating to trowelling and like surfacing machines
IPC: E04F21/24
Filed: 1948-12-24
Abstract: 652,786. Concrete trowelling machines. MASTER VIBRATOR CO. Dec. 24, 1948, No. 33317. Convention date, June 3. [Class 107] A trowelling or like surfacing machine has a rotary blade assembly 2 comprising two working surfaces 21, 22 detachably secured together in diverging relation, the assembly being rockable to bring either surface into-operative position. As shown, applied to a machine of the type described in Specifications 622,070, 632,106 and 635,931 a number of rockable sweeps 2 radiate from a rotary base 1 surmounted by a driving motor 5. The outer ends of the sweeps are pivoted in a guard ring 3 at 18 and the inner ends are pivoted in the base 1 by a bar 16. Rock arms 12 fast on the bars 16 project into pockets of a spider 11 journalled upon the base 1 and rotatably adjusted by a hand-wheel 50 to alter the angle of the blades. The sweeps comprise angle bars 14 to the flanges 15 of which are attached bars 19. Each blade 21 has two channel members 20 either of which can be attached to the bar 19, and the longitudinal edges of the blade are bent at 23. A finishing blade 22 is bolted to the rear of the blade 21, the blades being slightly divergent so that by altering the inclination of the sweeps by the handle 50 either blade can be brought into working position. By reversing the blade 21 and using the other channel member 20 a new, unused contact area may be engaged with the work. To prevent accumulation of concrete in the unused channel 20 it may be filled by a wood strip 25. The finishing blade 22 may be turned upside down to provide a new surface. To compensate for inequalities of the sweeps the rock arms 12 are provided with adjustable thrust members 29 engaging the spider 11.
Patent GB-848541-A (GB)
Title: Improvements relating to machine vices
IPC: B25B1/10
Filed: 1955-11-22
Abstract: 848,541. Vices. ELLIOTT & CO. Ltd., B., FRYE, C. H., and SELBY, J. Nov. 19, 1956 [Nov. 22, 1955], No. 33421/55. Class 61.  A machine vice has a jaw 2 at one end of a surface 1 on which slides a movable member 4 carrying the other jaw 5 and.guided by a rib 8 moving in a closed ended slot ; part of the rib forming a holding-down lug extending through the slot and the rest being shallow so as to slide in a keyway 20 extending beyond the closed end of the slot 7. Vices with one or more ribs, slots and keyways are claimed. A keep-plate g is screwed to the end of the lug or lugs and moves in a recess 6 under the surface 1. The jaw 5 is moved by a power-driven lead-screw 13 turning in a bearing 15 fixed in the member 2 and passing through a screwed bush 14 fixed in a lug 12 on the surface 1.
Patent GB-862355-A (GB)
Title: A method of producing pressed patterns for cast dies, particularly as required for making fluted tools
IPC: B22C7/00
Filed: 1959-10-02
Abstract: 862,355. Patterns. GOTZE, F. Oct. 2, 1959, No. 33444/59. Class 83 (1). In a method of making patterns for cast-dies, particularly for making fluted tools, the pattern 21, e.g. of clear polystyrene of low ash content, is pressed with the master 14 inside, then the master carrying the pressed pattern is mounted between centres, and the exterior of the pattern is machined, preferably to a double-cone frustum, Fig. 5, so that it may be mounted in a chuck after removal of the master for machining operations on the interior.
Patent GB-1021645-A (GB)
Title: Improvements relating to a method for controlling the flow of solid pulverulent substances in suspension in a gas
IPC: G05D11/13
Filed: 1962-08-31
Abstract: 1,021,645. Pneumatic conveyers. COM. PAGNIE DES ATELIERS ET FORGES DE LA LOIRE. Aug. 31, 1962 [Sept. 9, 1961], No. 33551/62. Heading B8A. In a method of controlling the flow of pulverulent material from a gas pressurized distributer 1, Fig. 6, to a pneumatic delivery pipeline 3 through a pneumatically variable orifice valve 2, the range of rate of flow is increased by simultaneous automatically controlled variations in the bin pressure arranged so that the pressure or delivery of gas to the variable orifice valve is unchanged. In one example of Fig. 6, a branch pipe 5 of the main conveyer line 3 supplies auxiliary gas to the valve 2 and pipelines 6 and 7 with valve 25, 26 supply and release gas according to control signals from a device 22 for varying the pressure in the distributer 1. Air flow in the conveyer line is automatically controlled at a preset value through a manual setting at 12 operating in conjunction with a flow meter 10 coupled to a corrector 11 and an error comparator 13, the error signal controlling a flow valve 8 through a regulator 14. A similar device .automatically controls the pressure at a pressure sensitive element 15 upstream of the material inlet to a preset pressure. In this case the error signal from a comparator 18 controls a flow valve 9 in the branch pipe 5 through a regulator 19, thereby indirectly causing variations in the pressure at 15. The pressure measured by a gauge 20 is coupled to a corrector/converter 21 supplying a comparator 23 from which the error signal controls the charge and discharge valves 25, 26 through a regulator 24. A pressure gauge element 27, 28 operates in conjunction with a preset manual control 29 and comparator 30 to transmit an error signal through a regulator 31 controlling the device 22. In other examples (not shown), error control signals are transmitted to the device 22 from devices sensing (a) the rate of flow of the transporting gas, (b) the difference in pressures between that in the bin and that in the conveyor line and (c) the mass flow of powder. The pneumatically variable orifice valve 2, Fig. 1, used in the apparatus comprises a recessed annular seating 5 having an orifice 11 for the powder and an annular groove 6 to which the auxiliary controlling air is supplied through a passage 9 to influence the flow of powder to the outlet passage 12.
Patent GB-781675-A (GB)
Title: Improvements in or relating to sweepers
Inventor: CAUDWELL PHILIP GORDON
IPC: A47L11/24
Filed: 1955-11-23
Abstract: 781,675. Road &c. sweeping machines. ALLEN & SONS. (OXFORD), Ltd., J. Feb. 3, 1956 [Nov. 23, 1955], No. 33568/55. Class 107 [Also in Group XXIII] A sweeper for roads, factory floors and the like has a main rotary brush with tufts 35 rotating in the reverse direction to the road wheels 17 and a smaller auxiliary rotary brush the tufts 42 of which intermesh with tufts 35 to drive it from the main brush in the same direction as the wheels 17 and project refuse into the path of the main brush. In the sweeper shown, the main brush is driven from the road wheels by pinions 34 on its shaft engaging teeth on webs 24 on the road wheels by pinions 34 on its shaft engaging teeth on webs 24 on the road wheels 17, and the sweeper is manually propelled; alternatively the sweeper may be power driven. Refuse is deflected by plate 43 into the box 15, and slotted bars 47 secured to the side plates 12 of the sweeper allow adjustment of the main brush relative to the handles 26.
Patent GB-860969-A (GB)
Title: Improvements in or relating to the production of barium oxide
Inventor: UNWIN JACK TRASK
IPC: C01F11/06
Filed: 1957-10-29
Abstract: Barium oxide is prepared by first calcining, in an inert atmosphere at 400 DEG  to 1000 DEG  C. pellets containing barium carbonate, carbon, and at least one salt, preferably the carbonate, of at least one of the metals lithium, sodium, and potassium, and then fluidizing the thus densified pellets at a temperature of 800 DEG  to 1025 DEG C. in an inert atmosphere, preferably nitrogen, helium, or methane, to reduce the barium carbonate to the oxide.  The fluidizing gas velocity is preferably 1 to 10 times the critical gas velocity of the bed.  The alkali metal salts may be leached out of the pellets, preferably with water, after calcination and before fluidization. Prior to the calcination the pellets preferably contain at least 5% by weight of carbon and at least 0.2% by weight of alkali metal salts.  The pellets to be calcined may be prepared by passing an intimate mixture of carbon, barium carbonate, and the alkali metal salt down an inclined rotating shaft heated to 100 DEG  to 400 DEG C., and sieving the resultant soft pellets to obtain pellets of the desired size for calcining.
Patent GB-889870-A (GB)
Title: Improvements in and relating to coat and like garment hangers
IPC: A47G25/32
Filed: 1957-10-29
Abstract: 889,870. Coat &c. hangers. WINSTANLEY, J. E. Oct. 29, 1958 [Oct. 29, 1957], No. 33770/57, Class 52(5) An open-ended slot is provided in the yoke of a coat &c. hanger to engage a clothes line for retention thereon when used in drying drip-dry garments. The line may be frictionally engaged by the slot 4 which, as shown, has differentlysized enlargements 5 to accommodate lines of different sizes. Recesses 7 engage shoulder straps, and notches 8, 9 engage inside tensioned waistbands, stockings &c. In a modification the slot has straight sides and is of less width than the line or is of locally diminished width, e.g. at the entrance, so that the line must be pushed through.
Patent GB-338730-A (GB)
Abstract: 338,730. Illner, R. June 15, 1928, [Convention date]. Addition to 338;726. Aluminium silicate.-The process described in the parent Specification wherein kaolin is bleached and caused: to adsorb calcium sulphate, is carried out by stirring sodium hydrosulphite into an acid-reacting suspension of kaolin, blowing air &c. into the suspension to oxidize excess of hydrosulphite, and then adding calcium hydroxide until the suspension is nearly neutral. Oxidation may be assisted by addition of a catalyst such as sodium nitrate. A blue vat dyestuft may be added after addition of sodium hydrosulphite but before oxidation, or an acid- and alkali-fast organic vat dyestuff such as Indanthrene blue be added after formation of calcium sulphate.
Patent GB-950103-A (GB)
Title: Improvements in or relating to transparency mounts
IPC: G03B21/64
Filed: 1961-09-21
Abstract: 950,103. Transparency mounts. G.GOYKE. Sept. 21, 1961 [Sept. 23, 1960], No. 33881/61. Heading G2C. A two part transparency mount comprises a frame (Fig. 5) comprising interior flanges 15 forming a rectangle for locating small glass plates and a film and a sliding cover (Fig. 3) engaging in lateral guides 4 in the frame and comprising a convex projection 6, two locking projections 9 and a groove 10 for a finger-nail, said frame having a strip 12 with a covered recess 13 which co-operates with groove 10, the gap between the strip 12 and the adjacent flange 15 being of such a width that when the sliding cover is inserted in the frame the locking projections 9 are housed in the gap and the projection 6 is housed behind a flange 15.
Patent GB-779595-A (GB)
Title: Undergarments
IPC: A41B9/02
Filed: 1955-11-25
Abstract: 779,595. Men's pants. ARKUS, J. Nov. 25, 1955, No. 33920/55. Class 141. [Also in Group VI] Men's pants comprise front and back portions F, B of truncated V-shape recessed on their lower edges to receive a crotch piece C. The portion X-X-X of the crotch piece is of greater extent than the recess X<SP>1</SP> of the portion F into which it is sewn so that the front of the crotch piece is puckered, while the portion Y-Y-Y is of less extent than the recess Y<SP>1</SP> of the portion B so that the rear of the crotch piece is stretched. The waist includes side pieces S.
Patent GB-961307-A (GB)
Title: Process for the manufacture of polymerisation products of vinyl esters
IPC: G03G17/02
Filed: 1960-10-03
Abstract: Vinyl ester polymers are made by polymerizing a vinyl ester alone or in admixture with another monomer in the presence of a catalyst consisting of a boron alkyl and a boroxole of the formula: <FORM:0961307/C3/1> in which each R represents a hydrocarbon group containing 1 to 4 carbon atoms.  The vinyl ester may be vinyl formate, acetate, propionate, butyrate, isobutyrate, or octate.  The other monomer may be an acrylic or methacrylic acid ester or vinyl chloride. The polymerization may be carried out in bulk, solution, or suspension, and under a protective atmosphere.  Plasticizers may be added during polymerization.  The examples describe the bulk polymerization of vinyl acetate, and the polymerization of vinyl acetate in aqueous media, using as catalysts triethyl boron or tributyl boron and n-butylboroxole. Specification 814,668 is referred to.
Patent GB-884357-A (GB)
Title: Improvements in or relating to medical appliances
IPC: A61F5/41
Filed: 1960-10-04
Abstract: 884,357. Surgical supports. GOUDER, W. Oct. 4, 1960, No. 34007/60. Class 81 (2). A penile support is made in two parts, one telescoping within the other, so that the overall length of the splint may be altered. A base part 10, carrying a ring 16 and support plate 14, has a forwardly projecting member 11 which fits tightly within a tubular portion 12, the other end of which carries a second ring 17. Each ring is preferably of rubber tube fitted on to arcuate projections, the rear ones 15 of which are formed integrally with the base member 10, while the forward ones are continuations of the rods 13 secured in the tubular member 12. The tube 12 is made of a synthetic resin which may be cut to give the desired spacing between the rings.
Patent GB-325192-A (GB)
Title: Improvements relating to fluid pressure braking apparatus
IPC: B60T13/46
Filed: 1928-11-20
Abstract: 325,192. Le Clair, L. J., Brackenbury, A. G., and Westinghouse Brake & Saxby Signal Co., Ltd. Nov. 20, 1928. Addition to 296,357. Fluid-pressure. - In the vacuum brake cylinder described in the parent Specification, the upper edge of the reinforcing ring 8 carried by the detachable cylinder head 7 is curved to form a seating for the rolling rubber ring 50 of the piston 11.
Patent GB-1474885-A (GB)
Title: Manufacture of forks for fork lift trucks
IPC: B66F9/12
Filed: 1973-07-17
Abstract: 1474885 Making forks for fork lift trucks; welding by fusion LANCER BOSS Ltd 21 June 1974 [17 July 1973 9 Oct 1973] 34054/73 and 51742/73 Headings B3A and B3R A method of producing fork lift truck forks of L-shaped construction from rolled steel strip sections comprises providing two arm portions 13, 14 from strip having the cross-section of the desired fork, disposing the ends 15 of the two arm portions in contiguous mutually perpendicular relationship with an air gap between them, masking the gap to form an enclosed cavity, introducing into the cavity one or more welding guides 23, passing welding wire 24 through each guide into the cavity, passing a high frequency electric current through each wire and/or guide to produce a weld, and subsequently normalizing and tempering the metal of the formed fork. The welding operation includes fixing the portions 13, 14 in clamps with their mitred ends 15 parallel to each other. Melt retaining shoes 19, 20 are clamped to the portions and a plate (40), Fig. 3 (not shown), is placed on one side of the portions to provide a weld cavity. Tubular guides 23 of weldable material are passed through apertures between blocks (41) and include welding wires 24, e.g. of EN24 steel. The shoes are cooled by a cooling fluid in ducts 21 and have spaces 22 for the weld flash. In an embodiment, Fig. 4, the guide comprises a plurality of rods 42 which form a channel for passage of a welding wire 43. Suitable wire and guide materials are (a) 2“ Cr-1 Mo or 1“ Cr-¢ Mo wire with a C-Mn steel guide having attached Ni rods, (b) cored wire containing Ni, Cr and Mo additions in the core and a C-Mn steel guide, and (c) C-Mn steel wire with a flux coated C-Mn steel guide, the alloy additions contained in the flux coating. The steel guides can be modified by the attachment of Ni wires to their outside surface, the wires being held in place by a mild steel sheath or by tack welding. When the welding is complete the weld flashes are removed by grinding or milling and the whole fork may be surface finished. Lugs (25), Fig. 1 (not shown), may be welded to the arm portions for connecting to the mast carriage of a fork lift truck. The whole fork may then be heat treated to the required hardness.
Patent GB-469305-A (GB)
Title: Improvements in and connected with cramping and nailing or the like apparatus for assembling window sashes and like frames
IPC: B27F7/02
Filed: 1936-12-11
Abstract: 469,305. Nailing-machines. AUSTIN, F. B. Dec. 11, 1936, No. 34102. [Class 89 (iii)] [Also in Groups XXII and XXV] Apparatus for assembling window sashes and like frames comprises a substantially horizontal bench or frame, fluid pressure operated extensible supporting means for raising and lowering said bench or frame, fluid pressure operated rams on the bench or frame for pressing the co-operating joint parts of a window or like frame together, and machine operated means for driving nails or the like into the joints. A rectangular bench 2 is mounted upon a fluidpressure-operated ram 25. Transverse bars 3 and abutments 9, which serve to locate the window frame members in predetermined positions, are adjustably secured to the bench by bolts 5 and 10 respectively, passing through longitudinal slots 6. A series of rams 11 are arranged along the front edge of the bench for pressing the work in one direction and further rams 16 are mounted at the ends of the bench for applying pressure in the transverse direction. Each ram is secured to a depending plate 14 provided with strengthening webs 15, and is secured to the bench by two bolts 13, the heads of which slide in a channel 12 of T-shaped section so that the position of the ram along the edge of the bench can be adjusted. Compressed air is supplied through pipe 18 and escapes through pipe 19, the final connection to the ram being made by means of pipes 20. Each ram may be separately cut off from the supply by means of a control cock 21. The supply of air to the various rams is controlled by the mechanism shown at 22. The window frame or the like is first assembled on the bench, being clamped in position by the rams ; the bench is then raised and the nails or the like inserted by the nailing apparatus which may be of any suitable known form, and operated by an electric motor. The action of the rams 11 may be delayed with respect to the rams 16 and the electrical circuit appropriate to the operation of the nailing means may be automatically closed when the bench has been raised to a predetermined level. Pins, dowels, or screws may be used instead of nails.
Patent GB-960251-A (GB)
Title: Improvements in or relating to textile machines
IPC: D01H1/241
Filed: 1960-10-05
Abstract: 960,251. Belt-gearing. SACO-LOWELL SHOPS. Oct. 5, 1960 [Oct. 5, 1959], No. 34173/60. Heading F2Q. [Also in Division D1] A spinning &c. machine comprises at least one pair of spindles, the spindles of each pair being oppositely arranged on two spacedapart rails with a drive-pulley between them, and a driving-tape with means to tension it, the tape having two surfaces one of high friction material in contact with the drivepulley and the other of low-friction material in contact with the whorls of the spindles. The high-friction material may be of rubber &c. and the low-friction surface of nylon "Dacron" (Registered Trade Mark) or " Orlon " (Registered Trade Mark) so that when one pulley is braked, the low-friction surface slips over the whorl and the drive to the other spindles is not interrupted. In Fig. 1 where one tape 34 drives a pair of spindles such as 12 arranged on rails 11, a driving pulley 18 is arranged between the spindles on a shaft 20 running parallel to the rails. Between each spindle and the pulley are arranged tensioning means comprising upper and lower pulleys 26, 28 on a bell-crank pivoted at 23 to a bracket on the corresponding rail, the two bell-cranks being interconnected by a spring 32. The tape passes around the lower part of pulley 18, around the top of pulley 36 and the bottom of pulley 28. The driving parts are enclosed by a shield 40 and doors 41, a fan on the driving-shaft serving to keep lint out.
Patent GB-486901-A (GB)
Title: Acetylation process for cellulose fibres and fabrics
IPC: C08B3/06
Filed: 1936-12-14
Abstract: Cellulose fibres or fabrics are subjected to partial acetylation treatment to a degree of acetylation such that the material remains insoluble in organic liquids, the treatment being carried out at temperatures between 15 and -10 DEG  C. with a concentration of acetic anhydride in the acetylation mixture sufficient to prevent the mixture solidifying.  Toluene, hexane, ether, acetone, or other anti-freezing liquid may also be present in the acetylation mixture. The treatment is carried out in such manner that the fibrous nature of the material treated is unaltered.  When perchloric acid is used as catalyst it may be used in a concentration of the order of 0,3 per cent for temperatures above 5 DEG  C., and of the order of 0,6 per cent for temperatures of 5 DEG  C. and below.  Cotton, flax, or jute textiles may be treated.  It is preferable to carry out the treatment of flax or jute at lower temperatures than those selected for cotton. The treated materials are rendered immune from attack by micro-organisms, and are resistant to direct cotton dyes.  They have good electrical insulating properties, and are of low hygroscopicity. In an example, alkali-boiled cotton yarn is immersed in glacial acetic acid.  It is centrifuged and then treated in a rotating drum with a mixture of acetic acid, acetic anhydride, and perchloric acid, the temperature being maintained between 8 and 10 DEG  C. Specifications 399,952 and 411,930 are referred to.
Patent GB-934854-A (GB)
Title: Improved oil compositions
Inventor: RIDLEY KENNETH FRED
IPC: C10M159/12
Filed: 1960-10-07
Abstract: An oleaginous composition comprises an oil and a phosphosulphurized hydrocarbon further reacted with urea.  The hydrocarbon may be any hydrocarbon material or mixtures thereof, brightstocks and polyolefins being amongst those specified, and polyisobutylene being preferred.  The oleaginous liquid may be any animal, vegetable, mineral or synthetic oil, including fuel oils. Synthetic oils mentioned are diesters and complex esters, and other oils specified are castor oil, fish oil, oxidized mineral oil, spindle oil and naphtha.  Optional additives referred to are a - and b -naphthylamine, phenothiazine and alkyl substituents thereof, alkyl phenols (e.g. 2,4-dimethyl-6-tertiary octyl phenol), bisphenols, substituted diphenylamines (e.g. di-octyl diphenylamine), alkyl- or aryl-phosphates and phosphites, sulphurized sperm oil and other sulphurized hydrocarbons, metal dialkyl dithiophosphates, polyiso-olefins, degraded rubbery copolymers and copolymers of (1) an alkyl ester of an a -b  unsaturated carboxyli acid (e.g. acrylates, methacrylates, itaconates, fumarates and maleates), with (2) a polymerizable monomer containing an oxygen- or nitrogen-containing polar group (e.g. unsaturated nitriles, N-vinyl butyrolactams such as N-vinyl pyrollidone, pyridines, half-esters of maleic acid in which the remaining acid group is reacted with an alkylene oxide such as ethylene oxide, or maleic anhydride).  In the case of lubricating compositions other additives mentioned are phenates and alkylated phenates and sulphonates.