baber/WOPTO huggingface dataset:
Patent GB-528493-A (GB)
Title: Improvements in and relating to chock releases for supporting mine roofs and the like
IPC: E21D15/60
Filed: 1939-05-09
Abstract: 528,493. Mine chocks. TAYLOR, E. May 9, 1939, No. 13780. [Class 20 (ii)] A chock release for mines comprises a channel shaped main member 1, and inverted channel shaped end members 2, the edges of which 2a<SP>1</SP> are inclined laterally and rest upon similarly inclined edges 1a<SP>1</SP> of the main member. Lateral movement of the end members for collapse is resisted by lever 4 having wedge surfaces 4c coacting with corresponding projections 7, the lines of thrust, on the end members passing through the axes 5 of the levers. The end members are attached to the main member by chains 8 or by loops 10 on the end members encircling transverse rods 9 secured to the main member.
Patent GB-327043-A (GB)
Title: An improved means for connecting tubular bodies
IPC: E04G7/20
Filed: 1929-05-03
Abstract: 327,043. Marshall, A. C., and Preist, A. S. May 3, 1929. Joints with yielding outer part compressed ; rod couplings.-Means for connecting tubular bodies -e.g. scaffold poles or other hollow structural members-comprises a liner a, having a flange d against which the members b, c, to be connected, abut, and a clamp, formed of two semi-annular hinged parts e, f, which are forced together by a bolt j to compress both the ends of the members b, c, and the flange d.
Patent GB-201308-A (GB)
Title: Improvements in and relating to terminals or connections for electric conductors
IPC: H01R9/05
Filed: 1922-05-17
Abstract: 201,308. British Thomson-Houston Co., Ltd., Young, A. P., and Parrott, E. G. May 17, 1922. Drawings to Specification. Local disturbances, eliminating.-To prevent interference with wireless apparatus on aircraft, metal-sheathed conductors are used in conjunction with a metal cover for the distributor head of the engine ignition system.
Patent GB-1033374-A (GB)
Title: Improvements in or relating to agricultural machines
Inventor: ANNAT ROBERT BUCHANAN
IPC: A01B63/114
Filed: 1962-04-11
Abstract: 1,033,374. Tractor power lift mechanisms. MASSEY-FERGUSON (UNITED KINGDOM) Ltd. March 29, 1963 [April 11, 1962], No. 13955/62. Heading A1P. A tractor power lift mechanism including an operating ram 12 for the draft links 10, 10A is characterized by a hydraulic jack 50 which is sensitive to the hydraulic pressure in interconnected rams 31, 31A in the drop links 18, 18A and operates, through a linkage 51, 24, 23, a control valve 22 to keep the hydraulic pressure in the ram constant and thus to keep the weight transferred from the implement constant. The jack 50 is connected to the ram hydraulic system by a conduit 33 including a valve 52. If the valve 52 is closed the jacks 31, 31A allow a wide implement to tilt about a horizontal axis, since they are interconnected, whilst, since they are also connected to jack 50, the transferred weight is kept constant. Valves 34, 34A in the conduits connecting the jack 50 to the jacks 31, 31A may be closed to render the drop links rigid and inextensible when wide implements are not being carried and valve 52 is then opened to connect ram 50 and ram 12 to obtain weight transfer.
Patent GB-431955-A (GB)
Title: Apparatus for delivering a predetermined quantity of liquid
IPC: G01F11/02
Filed: 1934-05-10
Abstract: 431,955. Reciprocating pumps. DEGORY, A., HAWKINS, R. S., and LIBOVITCH, C. J. H., (trading as ALAN & CO., D.), 18, South End, Kensington, London. May 10, 1934, No. 14125. [Class 102 (i)] Upper cylinder oil is delivered in predetermined quantities into the petrol tank of a motor cylinder by a trigger-operated pump or gun associated with and disposed externally of a container for the oil. Normally, the pump-piston is at the end of its stroke when the pump cylinder is empty. The pump has a barrel 1<a> in which is'mounted a spring-pressed piston 1 upon a rod connected to a trigger 2. A container 3 is supported in the gun between fixed plates 7 and its discharge outlet 5 is held in a socket 6 by a spring 14 which engages a flange 10 on a chamber 8 which embraces the end of the gun. An air-vent 25 controlled by a valve 26 and a spring-pressed suction ball valve 16 are provided in the socket 6, and a non-return delivery 19 is arranged in the nozzle 4. The nozzle, Fig. 1, is enclosed by a cap, and the inclined end of the handle 12 forms an acute angle parallel with the end of the trigger 2. In the construction shown in Fig. 4, the body of the gun is provided with openings 33 and houses a glass container 28 which engages washers 34 secured by a cover plate 29 to which the handle 32 is secured. A slotted housing guides the trigger 36 which operates the piston 37. The container is filled through an aperture closed by a cap. A delivery valve is shown at 48, and a non-return suction valve at 42. In a further modification, the handle, pump barrel and oil container are arranged radially.
Patent GB-187942-A (GB)
Title: Improvements in the manufacture of threads or the like from viscose solutions
IPC: D01F11/02
Filed: 1922-05-20
Abstract: In the manufacture of artificial threads &c. from an unripened viscose employing an acid coagulating-bath, the carbon disulphide contained in the freshly precipitated acid threads is removed by treating the threads without previous washing, with a bath containing free alkali.  The bath may be maintained at 60 DEG  C., and to it may be added a small quantity of sodium sulphide so as simultaneously to remove the sulphur; in that case, only a single washing is necessary. Specifications 135,205, 152,349, 152,350, and 152,351 are referred to.
Patent GB-996045-A (GB)
Title: Automatic shoe-polishing machines
IPC: A47L23/02
Filed: 1964-04-07
Abstract: 996,045. Shoe-cleaning machines. A. HEUTE. April 7, 1964 [April 24, 1963], No. 14275/64. Heading A4F. [Also in Division G4] A coin-freed shoe-polishing machine comprises a housing 1 formed with lateral recesses 4, motor-driven polishing tools 5 arranged in the recesses, a shoe polish container 15 having an outlet pipe 14 leading down to a valve 17 which is arranged to be opened by the toe of a shoe and closed by a spring 16, and a coinoperated time switch 24 arranged to energize the motor 7 for a predetermined period of time. As shown, the tools and drive are combined to form an exchangeable unit 12 and the time switch 24, together with a relay 23, is mounted on a common plate 25. Baffle plates 18 cover the sides of the recesses, a dust collecting container having a grill 19. is provided at the rear and a coin slot 21 provided at the front of the housing.
Patent GB-556234-A (GB)
Title: Improvements in and relating to cutting-out dies
IPC: C14B5/02
Filed: 1942-10-13
Abstract: 556,234. Cutting-apparatus for paper, leather &c. SADGER, A. Oct. 13, 1942, No. 14347. [Class 31 (i)] Articles of leather, paper, cardboard, jointpacking material &c. are cut-out by dies in the  form of band steel cutters a, b of appropriate shape which are secured to a mouldable material D in moulds A, B, Fig. 3, prior to being mounted in a metal frame F, Fig 1, to which a cover G is secured by means of bolts and nuts, h, i. Spring- ejectors d are arranged near the cutters, and during the moulding operation dummy cores e, f are arranged in the mould to provide spaces in the material D to receive the bolts and nuts h, i and the ejectors. A layer of plaster of paris g is first poured into the mould to secure the parts temporarily in position, and then the material D is inserted. This may consist of metals or alloys, cement mixed with fibres, chlorinated or sulphurated bitumen or hydrogenated oils, thermoplastic and/or thermosetting substances, or glue or mixtures containing glue. When the material D has set the bedding substance g is removed and also the cores e, f. The ejectors are inserted, and the bolts and nuts operated to screw on the cover G. The cutting- blades are preferably slotted at their upper ends so as to permit of the material D being moulded as one homogeneous piece. In a modification Fig. 5, for forming packing rings, concentric cutting-knives n, o of different size are used. and with sets of five knives of each kind rings of twenty-five sizes can be obtained. The die-members n, o are connected by a plate J which has radial recesses R for accommodating the ejectors. For centering the die-members n, o the cutters and stock are formed with rectangularly placed slots into which engage splines N, Fig. 6 (not shown), on the bedplate J.
Patent GB-589239-A (GB)
Title: Manufacture of condensation products having tanning properties
IPC: C14C3/20
Filed: 1944-07-28
Abstract: Condensation products which in an acid medium have tanning properties are manufactured by condensing a mixture of one molecular proportion of a dihydroxydiaryl sulphone and 1-5 molecular proportions of a dihydroxydiaryl sulphone sulphonic acid in an alkaline medium with formaldehyde.  The mixture of sulphonated and unsulphonated sulphones may be prepared by mixing the individual components, or by incomplete sulphonation of dihydroxydiaryl sulphones or mixtures (e.g. isomeric or homologous) thereof, e.g. by means of concentrated sulphuric acid, oleum or chlorosulphonic acid, e.g. by heating under ordinary or reduced pressure in a current of air, if desired in the presence of a diluent or an agent capable of taking up water, such as a fatty acid or an acid anhydride.  The alkaline condensation is conducted under atmospheric or superatmospheric pressure, after which the whole is neutralized and rendered slightly acid, e.g. with an organic acid such as formic, acetic or oxalic acid.  If the presence of salts in the product is undesirable, the excess of sulphonating agent may be eliminated at any stage, e.g. by treatment with lime.  It may also be advantageous to treat the products with a clarifying agent, e.g. zinc dust, aluminium powder, sodium hydrosulphite or animal charcoal.  In examples: (1) 4 : 41-dihydroxydiphenyl sulphone is heated with slightly more than an equimolecular proportion of sulphuric acid monohydrate (of which about 30 per cent reacts), and the product is rendered alkaline with caustic soda solution, boiled with formaldehyde solution, and the product acidified with formic acid; (2) 3 : 31-dimethyl-4 : 41-dihydroxydiphenyl sulphone is similarly sulphonated and condensed, and the product is rendered slightly acid with an organic acid; (3) dimethyldihydroxydiphenyl sulphone (from crude cresol) is heated with sulphuric acid monohydrate while passing a current of dry air, the product is rendered alkaline with lime paste and caustic soda solution, boiled with formaldehyde solution and the product neutralized with sulphuric acid, filtered to remove gypsum, and acidified with formic acid; (4) chlorosulphonic acid is used for the sulphonation and caustic soda alone for the alkalinization in the process of (3); (5) 4 : 41-dihydroxydiphenyl sulphone is sulphonated as in (1), the product neutralized with caustic soda, unchanged sulphone extracted with ether, the 4 : 41-dihydroxydiphenyl sulphone sodium sulphonate isolated and mixed with 4 : 41-hydroxydiphenyl sulphone, the mixture rendered alkaline with caustic soda and boiled with formaldehyde solution, and the product acidified with sulphuric and formic acid; (6) crude cresol sulphone is sulphonated with excess of sulphuric acid monohydrate to a mixture of mono- and disulphonic acids, which is mixed with crude cresol sulphone, rendered alkaline, refluxed with formaldehyde solution and the product neutralized with sulphuric acid and acidified with formic acid.
Patent GB-812817-A (GB)
Title: Electrolytic production of titanium
IPC: C25C3/28
Filed: 1955-05-19
Abstract: 812,817. Electrolytic production of titanium. SOLAR AIRCRAFT CO. May 19, 1955 [May 21, 1954], No. 14450/55. Class 41. Dense solid titanium or an alloy thereof is cathodically deposited from an all-fluoride molten electrolyte consisting of either one or more alkali metal fluotitanates or a mixture of one or more fluotitanates and one or more fluorides of alkali metals, alkaline earth metals and magnesium and containing at least 50 per cent of fluotitanate salt, said electrolyte being maintained free of nitrogen, oxygen, and water, as by means of an inert atmosphere such as carefully purified and dried argon. Preferably if the fluotitanates used are other than those of the alkali metals, the fluoride content should be at least 10 per cent. The titanium content of the bath may be replenished by the addition of titanium tetrafluoride. The operating.temperature of the bath may be between 1080‹ and 1800‹ F. and the preferred cathode current density is between 0.1 and 5 amps./sq. in. although dendritic deposits may be obtained at up to 32 amps./sq. in. During deposition the bath may be agitated either by inducing highfrequency waves therein without connections to or within the cell or by directly moving the bath by stirring, movement of the electrodes, bubbling argon through the bath or by applying A.C. between pairs of cathodes to heat these more than the anodes which are arranged alternately with the cathodes. The applied A.C. also produces a reverse plating action. The cathodically deposited metal is surrounded by a lower titanium fluoride outer deposit which is water-soluble. The titanium may be separated from the cathode which may be of iron, copper, molybdenum, mild steel, stainless steel or a chromium-iron-nickel base alloy by an acid which attacks the cathode which may be in the form of moulds. Graphite or carbon anodes are employed and carbon tetrafluoride is evolved at the anode. As shown, the bath is contained in a graphite crucible 56 serving as anode within a metal shell 46 to which it is electrically connected and the lower half of which is disposed within a furnace 48. The upper half of the shell is surrounded by a cooling coil 54 and serves as a cooling chamber for the cathode 64 when this is extracted from the melt, a movable partition (not shown) being provided between the two halves of the shell. Argon may be introduced into the bath through the hollow cathode and into the cooling chamber through a separate supply pipe 78. The top 40 of the cooling chamber is removable for changing the cathode and is provided with a valve-controlled pipe 82 for making additions to the bath. The cathode may be provided with a heating element to raise it above the bath temperature and has an anode gas shield 72. Specification 678,807 is referred to. Reference has been directed by the Comptroller to Specification 713,446.
Patent GB-528785-A (GB)
Title: Improvements in or relating to continuous cigarette and like rod forming apparatus
IPC: A24C5/26
Filed: 1939-05-15
Abstract: 528,785. Cigarette-making machines. MOLINS, D. W., RUAU, F. F., BINGHAM, A., and MOLINS MACHINE CO., Ltd. May 15, 1939, No. 14462. [Class 130] [Also in Group XXVIII] In a device for sealing longitudinal seams, for example in continuous-rod cigarette-making and like machines, a sealing band 1 comprises a smooth metal strip which has its ends connected by a mechanical coupling 2 and is reciprocated so that only the smooth surface of the strip engages the seam. Figs. 7-9 show different forms of the coupling 2. As shown in Figs. 1 and 3, the band 1 passes over pulleys 3, 4 and an idler 5 carried by a pivoted arm 6 controlled by a spring 7 connected to an adjustable arm 10 to control the tension. The lower run of the band 1 engages the seam of a cigarette rod and a scraping element 12 engages the band at each end. The band is heated by a shoe 16 containing an electric heater, or by utilizing the band itself as a resistance heater, as described in Specification 528,784, the coupling 2, Fig. 9, then comprising insulating material. For reciprocating the band 1, the pulley 4 is connected by a universally jointed shaft 20, Fig. 3, to the spindle of a gear 24 engaged by a toothed quadrant 25 oscillated by a connecting-rod 28, which is actuated by a ratchet wheel 29 rotated intermittently by an arm 32 mounted on an eccentric 33 on the continuously rotated tape-drum shaft of the machine. A supporting plate 11 for the pulleys 3-5 is carried by brackets 40 which are pivoted at an adjustable point 41 to a base bracket 42 and can be swung upwards for inspection &c. by means of a handle 46 having a projection 47 which can be turned to rest on the top of an adjustable plate 48. The plate 11 is clamped between insulating sheets if the band 1 itself is the heating element. The sealing device is applicable to machines for making continuous rods comprising alternate wrapped tobacco portions and stub portions united by a strip of wrapping material while moving axially, as described in Specification 430,742.
Patent GB-266959-A (GB)
Title: Improvements in bean slicing apparatus
IPC: A47J17/06
Filed: 1926-06-09
Abstract: 266,959. Wheal, W. June, 9, 1926. Cutting and slicing bcans.-A device for slicing beans comprises a holder handle A in the end of which safety razor blades C spaced apart by distance pieces B are held by a bolt D. The bolder handle and distance pieces are shaped so as to expose the cutting edge at one corner of the blade. The blades may be maintained the desired distance apart by insertion in slots formed in the handle.
Patent GB-1164337-A (GB)
Title: Improvements in or relating to Electric Circuit Arrangements for the Transmission of Pulse Modulated Information
IPC: H04J3/20
Filed: 1967-03-30
Abstract: 1,164,337. Negative resistance devices; pulse operated filters; pulse modulation systems. SIEMENS A.G. 30 March, 1967 [31 March, 1966], No. 14522/67. Headings H4K, H4L, H4R and H3T. In a switching circuit for controlling the transfer of charge from a storage capacitor at one location to a second storage capacitor at a second location in which at least one of the locations includes an amplifier and an auxiliary reactive element which is supplied with energy proportional to the charge in the associated storage capacitor, from an energy source separate from that which supplied energy to the storage capacitor, and which, when the switching circuit is operated to initiate the charge transfer, supplies a portion of its energy to charge the storage capacitor at the other station, the auxiliary reactance is part of a two terminal network the impedance of which is determined by the function Z(p), where p = S + jw, which has poles in a region where t is the closed period of the switch and T<SP>1</SP> is the repetition period of switch operations, and where the sum of the residues of the poles in the region a 0  is selected in accordance with the electrical properties of the relevant station, and the total of the sum of the residues of the   poles in the region a 0  plus v/v-1 Î the sum of the residues of the poles in the region a 1  is equal to zero, where v is the magnification of the voltage at the station due to the additional energy source and the amplifier. The method of additional energy supply may be as described in Specification 1,034,560. One form of network which gives one pole in each region comprises a capacitor in series with the combination of a further capacitor in parallel with a resistor, the circuit being connected in parallel with the normal capacitor store of the station, Fig. 4 (not shown). To fulfil the requirements for residues of the poles one of the capacitors must have a negative value and this is obtained by an impedance converter NIC, Fig. 6, which, in addition to converting the capacitor C 3 <SP>1</SP> to a negative value, provides the additional energy source. An alternative form of negative impedance converter is described with respect to Fig. 7 (not shown).
Patent GB-945644-A (GB)
Title: Improvements in or relating to dry shaving apparatus
IPC: B26B19/38
Filed: 1960-04-26
Abstract: 945,644. Dry shavers. PHILIPS ELECTRICAL INDUSTRIES Ltd. April 26, 1960 [April 29, 1959], No. 14606/60. Heading B4B. In a dry shaver having at least one cutting head, consisting of a shear plate 2 and a cooperating cutting member which is within a hair-collecting chamber 3, the walls of the chamber include at least one pivotable flap 5 for hair evacuation which is maintained in closed and open position by a spring 6, the flap being urged by the spring to engage behind a rim 10 on the chamber in closed position and, when moved downward by hand pressure on a ridge 11, is opened by the spring. As shown, the ends 7 of the spring are secured by lugs 12 on the flap, and the centre 8 is slidably secured by a member 9 to a part 13 of the shaver housing, the lower end of the flap being forced inwards and upwards by the spring to pivot the flap about an edge of the part 13. When opened, the flaps are prevented from detachment from the housing by engagement of the lugs 12 behind an edge of the part 13. In a modification, the ends of the spring are secured to the housing and the centre of the spring to the spring to the flap.
Patent GB-1146505-A (GB)
Title: Electrophotography
IPC: G03G17/10
Filed: 1966-04-01
Abstract: 1,146,505. Electro-photographic processes. RANK XEROX Ltd. April 1, 1966 [April 2, 1965], No.14611/66. Heading G2H. [Also in Division H1] An electro-phoretic imaging system includes photo-sensitive compounds of the 2, 3 phthaloyl 7, 8-benzapyrrocoline class. The preferred compounds have the following substituents 1-cyans, 3 nitro, 3-acetamido and 1-amino. Single or multicolour reproductions can be obtained by dispensing the compounds alone or with specified dyestuffs (as in Specification 1, 146, 019) on a Nesa glass plate contacting with a roller electrode covered with baryta paper, applying a potential between the roller and plate and exposing imagewise. In other examples, an electro-photographic element formed from the above compounds are developed by frost or relief deformation by coating the photo-conductive layer with a deformable thermoplastic layer.
Patent GB-105035-A (GB)
Title: Improvements in and relating to Combing Machines.
IPC: D01G19/28
Filed: 1916-10-14
Abstract: 105,035. Lees & Co., A., and Clegg, J. W. Oct. 14, 1916. Combing-machines.-In a combing-machine provided with pneumatic means such as those described in Specification 5124/07 for removing the waste from the combing-cylinder brushes, the stationary slotted tube or shield c, mounted within the rotary perforated drum d, is supported at the outer end in a ring carried by brackets j<x> adjustably mounted on brackets l fixed to the framework b. The inner end is supported on a ring m carried by a short central shaft n. The outer end of the tube c is closed by a lid q, which can be removed to allow the interior of the tube to be cleaned and the accumulated waste therein to be taken away.
Patent GB-669968-A (GB)
Title: Improvements in the manufacture of carbon black
IPC: C09C1/50
Filed: 1950-06-12
Abstract: <PICT:0669968/III/1> Carbon black is produced by blasting into one end of an elongated cylindrical reaction chamber a combustible mixture of a fluid hydrocarbon fuel and air in a direction substantially tangential to the chamber wall, burning the mixture to form a turbulent swirling stream of blast flame gases passing longitudinally through the chamber at a temperature in excess of that at which hydrocarbons are decomposed to form carbon black, separately injecting a stream of hydrocarbon into the swirling gases at a point removed from their point of entry and in a substantially radial direction, whereby the hydrocarbon is rapidly mixed with and decomposed by the swirling gases, cooling the resultant carbon black suspension and separating the black.  The combustible mixture is injected at 60-180 ft./sec. through one or more of the tangentially directed ports 8 into refractory-lined chamber 1.  A petroleum distillate, having an end point of 725 DEG F. and an aniline cloud point 10-125 DEG F. and 20-60 per cent aromatic content, with or without 1-2 parts steam is injected through radially directed tubes 9.  The effluent suspension passes into vertical cooler 2 and the contact time which should not exceed 0.5 sec. at 2,000 DEG F. may be varied by use of water sprays 10.  Some of the air needed may be injected through 4.  Instead of steam air or inert gas, e.g. carbon dioxide, nitrogen or natural gas may be added to the hydrocarbon and waste gas or natural gas may be used in the sprays 10 instead of water.