baber/WOPTO huggingface dataset:
Patent GB-589522-A (GB)
Title: Improvements in flat-bed printing machines
IPC: B41F3/02
Filed: 1945-03-24
Abstract: 589,522. Printing - machines. RANGER, A. W. March 24, 1945, Nos. 7475 and 26955. [Class 100 (ii)] . In a flat-bed continuous single revolution printing-machine the impression cylinder 1, which is mounted in fixed bearings, is driven for part of a revolution by a bed rack 7 engaging a segmental gear 6 on its shaft 2, and during the return stroke of the bed the revolution of the cylinder is completed by gearing comprising an eccentric segmental gear 40, Figs. 1 and 2, which engages a cam-shaped gear 41 fixed to the shaft 2, the gear 40 taking up the drive just before the bed completes its printing movement and driving the cylinder during the quick return motion of the bed. The speeds synchronize at the moment of change of drive. The bed is reciprocated by a quick return railroad gear operated from a slotted lever 11 and a crank-pin 15 on a shaft 17 driven from a main shaft 18, the shaft 17 being geared to the gear 40. The bed is cushioned at each end of its stroke by a dash-pot device comprising a piston connected by a rod 30 to the lever 11, and fitting in a cylinder 26 fitted with central apertures 27 and apertures 28 at each end. The bed is mounted so that it can be lowered from the cylinder during make-ready, and to effect this the tracks 10 upon which the bed runs is supported so that each track can pivot about its left hand end which rests on the frame 5. The tracks 10 are normally kept raised by sliding or rotating wedge members 44 resting on frame or cross frame members 5, 45, and operable by a crankshaft 50 to move the bed into and out of active position. The tracks 10 are supported by a trapezoidal metal spring plate 55 secured to the frame by bolts 56, and to the track by bolts 58 and dowels 61. To ensure correct registration of the cylinder and bed after the bed has been lowered the bed rack 7 is formed of two parts, 70, 70<1> which can slide vertically relatively to one another, and the part 70' engages a shelf 74 on the frame when the bed is lowered together with the part 70. On re-engagement the part 70 engages the same tooth of the gear 6 from which it was disengaged.
Patent GB-218712-A (GB)
Title: Improvements in and relating to calculators
IPC: G06G1/00
Filed: 1923-03-15
Abstract: 218,712. Broom, H. S., and Broom & Wade, Ltd. March 15, 1923. Slide-rules for making calculations in connection with air compressors &c. A card or dial c is graduated with a scale representing volume ol output and scales p representing pressure, and at the centre d are pivoted two pointers a, b, and a dial e graduated for horse power. The slots g in the pointers are graduated to represent different compressor capacities, sizes, or types. In use the pointer a is set over the output volume required, and the corresponding type &c. of compressor is indicated by the coinciding graduation on the slot g. The pointer b is then set so that the output pressure required is read through its slot g against the graduation representing the type &c. of compressor indicated by the pointer a. The dial e is then set so that the arrow h at the end of its horse power scale coincides with the opening f in the pointer b and the required horse power read through the opening in the pointer a. The apparatus may be used for reverse calculations. The pointer b and dial e may be made in one. Two volume scales may be provided corresponding to different speeds of the compressor. The parts may be arranged to slides longitudinally instead of rotate as shown.
Patent GB-1120726-A (GB)
Title: Process for the preparation of oil-extended rubbery polymers
IPC: C08J3/20
Filed: 1966-02-21
Abstract: A process for preparing oil-extended rubbery polymers of at least one mono-olefin comprises incorporating at least 0.5 weight per cent of water, based on the polymer, in said polymer and blending oil into the water-containing polymer.  The polymer may be prepared by polymerizing at least one olefin containing up to 7 carbon atoms, optionally with up to 20 mol. per cent of polyunsaturated monomer, such as butadiene, isoprene, chloroprene, 2-methylene norbornene, dicyclopentadiene, hexadiene-1,4 and cyclo-octadiene-1,5, in a hydrocarbon or halogenated hydrocarbon medium in the presence of a catalyst comprising a transition metal compound and a metal, hydride or organometallic compound of a Group I to IV metal, and if desired in the presence of hydrogen, oxygen, water or alcohol.  The oil may be aromatic, paraffinic or naphthenic, and conventional additives, e.g. zinc oxide, stearic acid, stabilizers, accelerators, tackifiers, dyes, carbon black, silica, calcium silicate, chalk and kaolin, may be added simultaneously or in admixture with the oil.  Oil extended unsaturated polymers may be vulcanized with sulphur and peroxides, and may be used to make tyres, conveyer belts and floor tiles. Examples describe the blending of naphthenic oils with (1) an ethylene/propylene copolymer and (2) an ethylene/propylene/dicyclopentadiene copolymer.
Patent GB-851922-A (GB)
Title: Hedge clipping accessory
IPC: A01G3/00
Filed: 1958-03-10
Abstract: 851,922. Bags for hedge-clippings. JARDINE, E. M. Nov. 11, 1958 [March 10, 1958], No. 7536/58. Class 133. A bag for hedge-clippings which can be hung on a hedge or tea-bush by hooks B so that the clippings fall therein comprises a transparent polythene inverted cloche of triangular crosssection provided with hems along its apex and each edge into which are inserted rods A, the frame being rendered rigid by tightening wing nuts at each end of the horizontal rods A.
Patent GB-643062-A (GB)
Title: Improvements in cloth stentering machines
IPC: D06C3/00
Filed: 1948-03-12
Abstract: 643,062. Finishing fabrics. MATHER & PLATT, Ltd., and MATHER, R. C. March 12, 1948, No. 7564. [Class 42 (i)] In a cloth stentering machine, the stenter clips are operated by an endless band, belt or chain travelling in the same direction and at substantially the same speed as the clips and making such an angle to their line of travel that the clips are opened and closed gently and substantially without friction. As shown, the clips e are opened and closed by an endless belt y passing over a terminal pulley a, driven from the stenter clip chain d, two pulleys g, r which can be adjusted in slots t, u towards or away from one another to vary the line of travel of belt y as it moves away from or towards pulley a, and a tension pulley s which can be adjusted,by a screw w without varying the line of travel of belt y. The position of shaft f carrying pulley a and chain sprocket c can be adjusted by means of a screw i.
Patent GB-1421299-A (GB)
Title: Conversion of hydrocarbons and catalysts therefor
IPC: B01J23/84
Filed: 1973-02-15
Abstract: 1421299 Cracking catalysts MITSUBISHI CHEMICAL INDUSTRIES LTD 15 Feb 1973 7609/73 Heading B1E [Also in Division C5] Catalysts comprising a nickel component (2-55 wt% as NiO), a vanadium component and an inert carrier, the mole ratio of V/Ni being 0.01-0.9 are prepared (1) by impregnating γ-alumina with aq. Ni(NO 3 ) 2  and VOCl 2 , drying, calcining, pulverising, pelleting and recalcining, (2) as (1) but using NH 4 VO 3  instead of VOCl 2 , (3) mixing solid V 2 O 5  and γ-alumina, impregnating with aq. NiSO 4  and proceeding as in (1), and (6) impregnating a commercial NiO-Al 2  O 3 -CaO catalyst with aq. NH 4 VO 3  drying and calcining.
Patent GB-453770-A (GB)
Title: Improvements in or relating to multiple conductor electric cables insulated with magnesia
IPC: H05B3/56
Filed: 1935-03-12
Abstract: 453,770. Cables. CONDUCTEUR ELECTRIQUE BLINDE INCOMBUSTIBLE, 30, Rue d'Astorg, Paris. March 12,1935, No. 7693. Convention date, March 14, 1934. [Class 36] A cable comprises a central conductor 1, one or more tubular coaxial conductors 2, and an outer metal sheath 4, the conductors being insulated from one another and from the sheath 4 by layers, such as 3, 5, of powdered magnesia. The insulating layers may be formed by winding around each conductor a layer of magnesium wires or tapes which are subsequently converted, either layer by layer or as a whole, into magnesia by passing steam between the conductors and then heating. The cable is subjected to a drawing or rolling operation to compact the magnesia layers, and such operation may take place after the conversion of each of the layers of magnesium into magnesia when the insulating layers are separately formed.
Patent GB-798198-A (GB)
Title: Improvements in storage equipment and the like
IPC: A47F3/10
Filed: 1956-03-13
Abstract: 798,198. Storage cabinets. WORRALL, W. H. Sept. 4, 1956 [March 13, 1956], No. 7738/56. Class 52(1) Open-fronted cabinet or shelf structures 1 shaped as a partial annulus in plan are mounted to swing about a vertical axis on pivots 6, 7 from stowed to access position. The lower pivot 7 and radius rods 3 may be replaced by wheels running on tracks.
Patent GB-681144-A (GB)
Title: Mechanism and method for conditioning air for an enclosure
IPC: B64D13/08
Filed: 1948-03-15
Abstract: 681,144. Ventilation. GARRETT CORPORATION. March 15, 1948 [April 5, 1947], No. 7784/48. Class 137 [Also in Group XIII] In air-cooling apparatus in which air from a compressor 11 is cooled, before .delivery to an enclosure such as an aircraft cabin 10, in cooling means including a heat exchanger 12, part of the air leaving the cooling means is returned to the heat exchanger to act as a coolant, the amount of air so returned being controlled by a characteristic, e.g. the pressure, of the air which has passed through the cooling means. The cooling means includes a turbine 29 which is driven by, and so further cools, the cooled air leaving the heat exchanger 12. In the form shown, a damper 36 in the passage 34, through which part of the cooled air leaving the turbine 29 returns to the heat exchanger, is controlled by a diaphragm 41 moving in response to changes in the difference between the pressure of the air in the aircraft cabin 10 to which the cooled air is supplied and the external atmospheric pressure. Coolant air from the external atmosphere is admitted to the heat exchanger through an inlet 19 controlled by a damper 47 which is opened and closed by changes in the temperature of the air in the chamber 10. The damper 47 is linked to a damper 45 which controls a passage 44 through which cooled air from the heat-exchanger can byepass the turbine 29. When the temperature in the chamber 10 is high, and the pressure difference from the external atmosphere is low, the valves 19, 36 are open and the valve 45 is closed, to produce maximum cooling. The turbine 29 drives a fan 31 in the outlet 22 for coolant air. A partition 35 may divide the coolant space in the heat exchanger into two parts. Specifications 654,622 and 604,301 are referred to.
Patent GB-885722-A (GB)
Title: Improvements in or relating to fasteners for fixing together two structural elements
IPC: E04D13/16
Filed: 1958-03-11
Abstract: 885,722. Roofs and walls of buildings. McKEE, J. R. March 11, 1958 [June 13, 1957], No. 7833/58. Class 20(4) [Also in Groups XXII and XXV] An insulating panel assembly is secured to a structural member 1 of a roof or wall, Fig. 2, by studs 3 (see Group XXV) each comprising a shank 4 with spaced shoulders 5, 6 extended by screwed parts. Screwed part 7 is passed through a hole in a panel 2 to cut a thread in member 1, and clamp the panel thereto by shoulder 6, with or without the interposition of a sealing washer 9. A layer of insulating material 10 is impaled on the studs and then panel 12 is impaled over the protruding screwed ends which are formed to make holes in the panel, to engage shoulders 5. Panel 12 is secured by nuts 15 with or without sealing washers 9a. In another arrangement, an insulating panel 20, Fig. 3, is secured by threadcutting ends of the studs to member 21, and a panel 22 is spaced therefrom on the other screwed ends.
Patent GB-439870-A (GB)
Title: Improvements in intensifying or fluorescent screens for x-ray work
IPC: G21K4/00
Filed: 1934-03-12
Abstract: 439,870. Fluorescent screens. I. G. FARBENINDUSTRIE AKT.-GES., Frankfort-on-Main, Germany. March 12, 1934, No. 7844. Void [Abridged as open to inspection under Sect. 91 of the Acts, Sept. 17, 1934]. [Class 98 (i)] An intensifying or fluorescent screen for X-ray work comprises a layer containing a dye capable of absorbing phosphorescent light. The dye may be in a filter layer or may be added to the binding agent carrying the fluorescent material. In examples, intensifying screens comprise (1) a stiff paper &c. support carrying a fluorescent layer comprising zinc sulphide activated with silver and coated with a layer of Crystal Violet in gelatin, (2) a layer of zinc sulphide activated with copper and coated with a green filter layer dyed with Tartrazine and Patent Blue.
Patent GB-196261-A (GB)
Title: Improvements in jacks
IPC: B66F3/24
Filed: 1923-03-19
Abstract: 196,261. McBride, J. P. April 11, 1922, [Convention date]. Cramps.-In fluidpressure - actuated jacks, applicable for use as clamps, pistons 17, 19 are disposed on opposite sides of a partition 14 in the cylinder 1C and are connected bv a rod 18. The skirt 16 of the piston 17 takes over a hollow extension 15 of the partition 14, and a spring 29 is placed between the head of this extension and the piston 19. By means of a pump A this is forced from below the partition 14 to its upper side to raise the piston 17. Lowering of the piston is effected by the spring 29 when a valve (not shown) is opened to allow fluid to pass from the upper to the lower side of the partition. A safety valve 32<1> is provided. The lower end of the cylinder is closed by a detachable plate 11 which can be removed to permit the connection of a rod 36, Fig. 3, with the piston 19 when the apparatus is to be used for clamping overlying plates prior to riveting. Specifications 144,351 and 155,206 are referred to.
Patent GB-217647-A (GB)
Title: Improvements in or relating to vacuum electric tube devices
IPC: H01J21/02
Filed: 1923-03-19
Abstract: 217,647. Lowden, T. W. March 19, 1923. Vacuum tubes. - The anode of a valve consists of a wire helix 3 with spaced turns surrounding t h e cathode 1, the ends of the wire being connected with supports 6 insulated from each other so that no part of the helix is short-circuited, and one of the supports acts as a lead-in. The grid 3a may consist of a wire helix mounted on supports 7 in a similar manner, the pitch of the turns being generally less than that of the anode. The helices may be welded to the supports or the ends of the wire may serve as supports. The leads 12 may be insulated by glass tubes 14. The anode and grid supports may all extend through the pinch 8 so that a current may be passed through the electrodes during evacuation of the bulb. The helices may be of circular, oval or other tubular section. According to the Provisional Specification, the wire may be of square or rectangular section, or in the form of a strip.
Patent GB-413811-A (GB)
Title: Improvements in or relating to heat-exchangers, particularly for heating or cooling milk
IPC: F28F3/08
Filed: 1933-03-15
Abstract: 413,811. Plate heat - exchangers. AHLBORN AKT.-GES., E., 22, Liintzelstrasse, Hildesheim, Germany. Maroh 15, 1933, No. 7908. Convention date, March 15, 1932. [Class 64 (iii).] A heat-exchanger is built up of smooth sheets with frames composed of indiarubber or other yielding material disposed between successive sheets. The frames may comprise rubber covered metal skeletons. The frame shown in Fig. 2 is provided with annular portions 3, 4, 5, and 6 so that when a pile is formed of frames and sheets with corresponding apertures two pairs of passages are formed for the heat exchange media. Owing to the cut away portions 7 and 8 liquid may flow between passages 3 and 4 in the space between two successive smooth sheets, its path being sinuous as it must pass through apertures 9, 10, and 11 in the cross members of the frame. By inverting alternate frames each pair of passages communicates with alternate spaces between the plates. The apertures may be placed centrally as shown in Fig. 4, the liquid flowing as shown by the arrows from port 102 to port 110. A central aperture is provided for a clamping screw holding the pile of plates together. All four passages 156, 157, 158, 159 are shown at the bottom in the frame shown in Fig. 11. The frames are provided with lugs 120 and notches 115 and 116 or notches 137 and 138 to engage with longitudinal bar members and maintain the plates in position. Specification 397,706 is referred to.
Patent GB-540982-A (GB)
Title: Improvements in or relating to the disposal of dust resulting from the operation of scouring, trimming or like tools
IPC: A43D95/08
Filed: 1940-05-04
Abstract: 540,982. Centrifugal separators. UNITED SHOE MACHINERY CORPORATION. May 4, 1940, No. 8011. Convention date, May 5, 1939. [Class 23] [Also in Group XXVIII] Dust-laden air passes tangentially into a casing 38, and the dust is separated and delivered centrifugally into'a dust drainer 50 for periodic removal, while the partly cleaned air passes through an axial conduit 52 to a zig-zag porous fabric filter 65, and so to a fan 68. The dusty air is drawn from hoods, Fig. 5, surrounding shoe repair tools and connected to an air main 36 delivering to the separator casing. The apparatus is enclosed, as described in Specification 529,036, [Group VII], and the fan redelivers the cleaned air into the enclosure. Specification 511,604 and U.S.A. Specification 2,050,508 also are referred to.
Patent GB-817800-A (GB)
Title: Improvements in or relating to electric storage batteries intended for use in inflammable atmospheres
IPC: H01M10/42
Filed: 1958-03-13
Abstract: 817,800. Batteries. SOC. DES ACCUMULATEURS FIXES ET DE TRACTION. March 13, 1958 [March 23, 1957], No. 8129/58. Class 53. A storage battery for use in inflammable atmospheres consists of a number of cells 1 open at the top and containing electrolyte 6 and electrodes 2 in the lower part of the cells. The cells are enclosed in a container 7 having a pipe 9 leading to an expansion tank 11 communicating with the atmosphere through a filter 12. A valve 10 is inserted in the pipe 9, and a pressure gauge 19 communicates with the interior of the container which is connected by a pipe 13 to a chamber 14 which can be closed by a valve 16 above which is a funnel 15. A valve 21 enables the container 7 and chamber 14 to be drained. The battery is charged, and an insulating oil is then introduced through the funnel 15 into the chamber 14 and container 7, both valves 10, 16 being open. The oil completely fills the container 7, resting on the electrolyte in each cell at the level N1, the upper surface of the oil being at the level N2. The valves 10, 16 are then closed and the battery is ready for use. As the battery is discharged the level of the electrolyte sinks till it reaches a level N3, and oil flows from the chamber 14 to maintain the container 7 in the filled condition, the oil in the chamber 14 falling to the level N4. When the battery is to be re-charged the valve 10 is opened so that gases evolved can escape to the atmosphere. The valve 10 is closed when charging is complete. The pressure shown by the gauge 19 indicates the state of charge of the battery. A second gauge 20 may have electrical contacts to actuate an alarm if the pressure in the space 18 exceeds a predetermined value.
Patent GB-253631-A (GB)
Title: Improvements in automatic and semi-automatic telephone systems
IPC: H04Q3/42
Filed: 1925-03-26
Abstract: 253,631. Standard Telephones & Cables, Ltd., (formerly Western Electric Co., Ltd.), Searle, A. M., Moir, R. A., and Baker, J. H. E. March 26, 1925. Automatic exchange systems. -The stepping relay in an A- digit switch is used also to control the automatic release of the switch if the subscriber neglects to dial. The impulse relay may be connected via a common retard to the impulse transmitter of a testing set. Means are provided to render accidental single impulses ineffective. Operation by impulses. Line relay A pulls up over the calling loop in series with a grounded relay in the first code selector and energizes release relay B. Dialling tone is sent back from DT and the A-digit is repeated by relay A to the series relay C and vertical magnet V. At the first step. off-normal springs N change-over, and if no more impulses come in, the relapse of the series relay energizes the release magnet Z. On the second and subsequent levels however, springs NP are operated also, the stepping relay G pulls up, and the relapse of the series relay energizes the rotary magnet R, which then interacts in the usual way with relay G until an idle register controller is found, whereupon the relay H switches through and relays A, B fall back. When the register controller has completed its operation, relay H is released and energizes the release magnet Z over the release signal wire RS. All register controllers busy. If the switch is unsuccessful, 11th terminal springs S send back busy tone from BF, cut off relay H, and ground the wire BW to cause the A-digit switch to be released if it has been taken into use by a manual first code selector. Forced release if the subscriber neglects to dial. Ground is connected for half a second every thirty seconds to the wire TPW and the first impulse after the energization of relay B causes relay TP to pull up in two steps, (armature 5 coming up first and the remaining armatures when the impulse ends) and lock itself. If the locking circuit is not broken meanwhile by the springs N or the series relay, the next impulse energizes relay G which grounds the wire PW to cause the first code selector to release the switch and give a signal to the subscriber. Testing. The jack T is used for connecting, via springs 1, 2, an impulse transmitter in series with a variable resistance between a grounded common retard (not shown) connected to RC, and the line relay A. The springs 3, 4 are bridged to busy the switch.
Patent GB-774531-A (GB)
Title: Improvements in or relating to the treatment of materials consisting wholly or partly of wool to reduce their tendency to felt or shrink
Inventor: GRAHAM DAVID ROBERTSON
IPC: D06M13/402
Filed: 1954-03-19
Abstract: Wool is treated with an aqueous solution containing (1) an N - chloro - compound of urea, or of sulphamic acid or of melamine, or of a derivative of one of these compounds, which N - chloro compound does not hydrolyse to chloramine, and (2) a water soluble bromide in a concentration between 0.05 and 2.5 gms. per litre, the solution having a pH below 4.  Suitable derivatives of sulphamic acid are obtained by replacing the hydrogen atom in the hydroxyl group by an aryl group.  The chlorine compound may be N - dichlor - toluene sulphonamide, N, N1 - dichlorbiuret, N - monochlorurea or N - mono - or di - chlor - sulphamic acid.  The solution may be obtained by mixing the corresponding unsubstituted amide and hypochlorous acid or chlorine in the treating bath.  The bromide may be that of calcium, potassium or magnesium.  The pH may be adjusted with phosphoric, nitric, hydrochloric or sulphuric acid.  The bath temperature may be from 18 DEG C. to 40 DEG C. Specifications 482,656 and 595,518 [both in Group IV], U.S.A. Specifications 1,892,548 and 2,144,824 and German Specifications 563,387, 647,566 and 656,112 are referred to.