baber/WOPTO huggingface dataset:
Patent GB-422670-A (GB)
Title: Improvements in or relating to the coating of rubber or rubberised surfaces
IPC: B29C37/00
Filed: 1934-03-20
Abstract: Rubber or rubberized surfaces, such as rubber-coated fabrics, rubber balls and gloves are coated first with compositions comprising rubber and polymers of unsaturated organic compounds, and then with paints or lacquers, for example nitrocellulose or oil lacquers.  The rubber may be in the form of latex.  The intermediate coating may be applied in solution or as an emulsion or in solid form such as a film, which may receive the paint or lacquer coating before application to the rubber.  The film may be rendered adhesive by treatment with a solvent or softening agent and may be applied using heat and pressure.  The polymers may be of the general formula CH2 = CR1R2 where R1 denotes hydrogen or a hydrocarbon residue, R2 denotes hydroxyl, carboxyl, CN, halogen, hydrocarbon residue, alkoxy, acetyl, halogenated acetyl or ester groups, for example polyacrylic acid, polymethacrylic acid, or their esters, amides, nitriles, chlorides, or anhydrides, or polyvinyl acetate.  The polymers may be partially or wholly polymerized and may be used singly or in admixture or as interpolymers.  Softening agents such as phthalic acid esters, e.g. dibutyl phthalate, chlorinated naphthalenes acetins, phosphoric acid esters, e.g. tricresyl phosphate and oils, may be added.ALSO:Rubber or rubberized surfaces, such as rubber-coated fabrics, rubber balls and gloves, are coated first with compositions comprising rubber and polymers of unsaturated organic compounds, and then with paints or lacquers, for example, nitrocellulose or oil lacquers.  The rubber may be in the form of latex.  The intermediate coating may be applied in solution or as an emulsion or in solid form such as a film, which may receive the paint or lacquer coating before application to the rubber.  The film may be rendered adhesive by treatment with a solvent or softening agent and may be applied using heat and pressure.  The polymers may be of the general formula CH2=CR1R2 where R1 denotes hydrogen or a hydrocarbon residue, R2 denotes hydroxyl, carboxyl, CN, halogen, hydrocarbon residue, alkoxy, acetyl, halogenated acetyl or ester groups, for example, polyacrylic acid, polymethacrylic acid, or their esters, amides, nitriles, chlorides, or anhydrides, or polyvinyl acetate.  The polymers may be partially or wholly polymerized and may be used singly or in admixture or as interpolymers.  Softening agents such as phthalic acid esters, e.g. dibutyl phthalate, chlorinated naphthalenes, acetins, phosphoric acid esters, e.g. tricresyl phosphate and oils, may be added.
Patent GB-439167-A (GB)
Title: Improvements in machines for shearing metal sheets and the like
IPC: B21D43/28
Filed: 1934-05-28
Abstract: 439,167. Shearing. WILLIAMS, J., Bryn Hedydd, Grovesend, and OWEN, E., Corporation Road, Lougher, both in Swansea. May 28, 1934, No. 8803. [Class 83 (iv)] Metal sheet feeds. - A shearing - machine comprises one shearing blade arranged transversely for shearing the transverse edges of a sheet or pack of sheets, and two further blades at right angles thereto for shearing the other edges, pivoted counterpoised guiding members engaging the sheets as they travel on a conveyer from the first blade to the second pair of blades. Sheets supported on a table C abut at their rear ends against a stop D while their front edges are sheared by coacting blades A, A<1>, the sheets then being moved to abut against an adjustable stop E while the rear edges are sheared by the knives A, A<1>. The sheets fall on to a roller H, and then on to a chain conveyer I, and are guided in falling and during their passage by pivoted counterpoised fingers m. Knuckle jointed engaging pieces n may swing clear if an undue local irregularity is encountered. Pegs J on the conveyer engage the rear edges of the sheet. The side edges are engaged by stops K and are sheared by blades B on each side of the conveyer. The width of the sheared sheets is controlled by screwed spindles A<4>. The knives and conveyer are driven through gearing from an electric motor.
Patent GB-648929-A (GB)
Title: Improvements relating to the production of porous metal plates
IPC: B22F3/11
Filed: 1948-03-25
Abstract: 648,929. Powder metallurgy. MOND NICKEL CO., Ltd., and HIGNETT, H. W. G. March 25, 1948, No. 8817. [Class 83 (iv)] In a method of making highly porous metal plates, more particularly porous nickel plates for use in accumulators, the plates are built up by successively sintering a number of layers of metal powder, each layer being united to the preceding one by the sintering and without the application of pressure and being so thin that it undergoes substantially no contraction parallel to the surface of the plate during the sintering. A flat plate 3, preferably of unglazed ceramic material with a rough or corrugated surface as described in Specification 648,41.5,  is supported on a rack 1 of nickel-chromium alloy which is reciprocated by a pinion 2 so that the plate is carried beneath a hopper 4 to receive a sprinkling of metal powder, then under a levelling blade 6, and through a water-cooled chamber into a sintering furnace 8. The furnace is of the high-frequency induction type and a light sintering is effected at 600 C. for five minutes in a hydrogen atmosphere, after which the plate 3 is carried back, through the cooler, to receive another layer of powder. When the plate is of sufficient thickness it is put on an endless belt conveyor and carried to another furnace for a final sintering at 900 C. for ten minutes. Other types of furnace may be used if desired. In a modification, the powder is sprinkled on to a continuous nickelchromium strip coated with a slurry of magnesia or alumina. One or more of the layers may be of a powder of different grain size in order to form a plate having different porosities at different points.
Patent GB-539600-A (GB)
Title: Improvements in or relating to heating apparatus for liquids or semi-solids
IPC: F01M5/02
Filed: 1940-05-17
Abstract: 539,600. Catalytic heating apparatus. ROBERTSON, J. H. May 17, 1940, No. 8822. [Class 75 (i)] [Also in Groups XIII and XXVII] The oil fuel in a tank b is heated by the hot gases from a burner c of the flameless combustion type, the gases being led through a tube or tubes a immersed in the oil fuel. The hot gases may also heat the sump oil and cooling water and radiator and fuel oil tank of an internal-combustion engine (Fig. 5 not shown). The feed pipe of the fuel injector of an engine cylinder may be surrounded by a jacket or chamber through which the gases flow from the burner.
Patent GB-939379-A (GB)
Title: Improvements in or relating to wood-working planes
Inventor: DAKIN MARCUS REX
IPC: B23Q9/00
Filed: 1962-03-08
Abstract: 939,379. Planes. F. PARRAMORE & SONS (1924) Ltd. Sept. 11, 1962 [March 8, 1962], No. 8880/62. Class 61. A rabbeting gauge for a woodworking plane of the kind having a metal body 3 of channel section and a throat with an opening 6 through the sides 2 of the channel comprises a bracket 1 having a peg 7 to enter the opening 6, a lug 9 carrying a screw 10 to grip a side 2 of the plane and hold the bracket to the plane body by drawing the peg into engagement with the upper edge of the opening 6, and a gauge bar 18 having a stem 15 slidable in a hole in the bracket, the stem being secured in adjusted position by means of a screw 13. The peg, which may be replaced by a countersunk screw, may be normal to the bracket. The bracket comprises an upper bearing pad 4 and two lower bearing pads 5.
Patent GB-125396-A (GB)
Title: Process for the Manufacture of a Highly Active Preparation of Ergot.
IPC: C12P17/18
Filed: 1919-04-09
Abstract: 125,396. Chemische Fabrilt vorm. Sandoz. April 9, 1918, [Convention date]. Alkaloids.-The principal alkaloid of ergot is isolated in crystalline form by first treating the ergot with dilute acids or solutions of acid salts, whereby the bases are fixed in the cellular tissues, then extracting the fats &c. by solvents (petroleum ether, benzine, benzene, ether, &c.), mixing the residue with fresh solvent and adding an alkaline reagent such as barium hydroxide, alkali hydroxide, or a basic salt of an alkali metal to neutralize the acid, filtering off the alkaloid extract, concentrating and purifying the solution and crystallizing the product. Coarsely-ground ergot is mixed with a dilute solution of oxalic acid and finely ground ; it is then exhaustively extracted with ether; the insoluble residue is suspended in ether containing a little alcohol and barium hydroxide solution added until the solution is weakly alkaline; the ethereal extract is filtered off and concentrated, the concentrated solution is decanted from solid matter and then evaporated to dryness in vacuo ; the product is freed from traces of fat &c. by means of petroleum ether or benzine and recrystallized from ether. The Specification as open to inspection under Sect. 91 (3) (a) comprises also the subject-matter of Specification 140,056. This subject-matter does not appear in the Specification as accepted.
Patent GB-1177243-A (GB)
Title: Conveyor Mechanism
Inventor: GENTRY HERMOND G
IPC: B65B35/44
Filed: 1967-02-24
Abstract: 1,177,243. Endless conveyers. MEAD CORP. 24 Feb., 1967 [25 Feb., 1966], No. 9025/67. Heading B8A. Containers C are metered on to a conveyer by feed wheels 12, 13, driven by gearing connected with the conveyer, the direction of feed of the containers C being initially laterally offset from the conveyer so that pushers 36A, 36B of the latter, enter laterally into the vacant spaces provided by the curvature of adjacent containers C. Guides 40, 41, 42 then bring the containers C into position in which the pushers 36A, 36B are in line with the centres of the containers C. The pushers 36A, 36B are connected by brackets 44 with links of the conveyer chain 18. Tension of the conveyer is maintained by a jockey wheel 27 (Fig. 1, not shown).
Patent GB-653068-A (GB)
Title: Process for the synthesis of folic acid and intermediates therefor
IPC: C07D475/04
Filed: 1948-03-31
Abstract: 4 - ([2 - acylamino - 4 - hydroxy - 6 - pteridyl) methyl] acylamino) benzoic acid chloride is prepared by reacting 4-([2-acylamino-4-hydroxy-6-pteridyl) methyl] acylamino) benzoic acid with a thionyl halide or a phosphorus halide.  The acyl group may be an acetyl group, and the thionyl halide may be thionyl chloride.  The acid chloride thus produced is reacted with a dialkyl or diaralkyl ester of 1(+) glutamic acid in the presence of a condensing agent to form N - [4 - ([(2 - acylamino - 4 - hydroxy - 6-pteridyl) - methyl] acylamino) benzoyl] glutamic acid ester, e.g. the diethyl ester.  The condensing agent may be an aqueous solution of an alkali-metal hydroxide, e.g. sodium p  hydroxide, pyridine, or a mixture of an aqueous solution of an alkali metal hydroxide and pyridine.  The condensing agent may be employed in an excess of the quantity required to neutralize the hydrohalic acid formed.  The dialkyl or diarylkyl esters thus formed may be hydrolysed to form N[([2-amino-4-hydroxy - 6 - pteridyl) methyl] - amino) benzoyl] glutamic acid.  A number of detailed examples are given.  The Specification as open to inspection under Sect. 91 refers to the preparation of N-[4-([(2 - acetylamino - 4 - hydroxy - 6 - pteridyl) methyl] acetylamino) benzoyl] glutamic acid ethyl ester by heating N - [4 - ([(2 - amino - 4 - hydroxy - 6 - pteridyl) methyl] amino) benzoyl] glutamic acid ethyl ester with a large excess of acetic anhydride at a reflux temperature.  This subject-matter does not appear in the Specification as accepted.
Patent GB-468406-A (GB)
Title: Tubular body forming machine
IPC: B21C37/10
Filed: 1936-03-27
Abstract: 468,406. Making tubular paper &c. bodies. BUTTY, C. March 27, 1936, No. 9139. [Class 99 (ii)] [Also in Group XXII] In a machine for making tubular bodies in which a blank 37 of paper &c. is clamped to a former 17 by a member 67, a recessed die 14 is raised, and recessed side dies are moved transversely to wrap the blank about the former, means is provided for applying and securing a clamping strip to the joint. The formers 17 may be mounted on a turret. Two forming devices 10, 10<1> for bending a two-layer body are arranged at right-angles about a core-carrying capstan 73, intermittently rotated by an electromotor 91 through a maltese cross mechanism with a locking pawl. A cam allows the member 67 to be lowered and the sheet to be positioned on slides 19. The shaft 38 rotates and the cam lifts the member 67 towards the core 17. Cams 45 swing shafts 60 to move slides 19 transversely and cams 44 raise the die 14. The auxiliary slides 19 hold the edges of the strip. A clamping strip may be applied to the junction of the tubular strip and may be glued or soldered and flattened by a hammer 99. A support for the mandrel during hammering comprises a foot 130 raised by a cam 131 from a shaft 51. The mandrel 17 is made expansible to facilitate the removal of the tubular body by a sliding wedge operated by a fixed part of the machine. In making a tubular body with the edges secured by a clamping strip of channel section a clamping member comprising a fixed base 167 with a fixed head 169 is used. A carrier 174 carries an oscillating pivoted jaw 175. A sliding jaw 176 is operated by an arm 214 on a shaft 201. The strip is inserted under the jaw 175 and a lever 202 is moved counterclockwise by a cam 206. When stops 180 contact the body portion the strip is applied to the seam and the oscillating jaw 175 moves towards an edge 177 to compress the strip. A lip 239 of the sliding jaw 176 supports the strip and is moved away when splines 216 rotate a lever 214 in a counterclockwise direction. A detent finger 231 is held up to allow the lip 239 of the sliding jaw to permit the carrier to rise without damaging the strip. The oscillating jaw returns under spring pressure to release the flattened strip. Splines 212 then move lifting arms clockwise to raise the carrier to remove the edge 177 and the oscillating jaws 175 from the tubular body.
Patent GB-581850-A (GB)
Title: Improvements connected with electrical regulating systems and apparatus
Filed: 1944-05-12
Abstract: 581,850. Automatic control systems. SCHWARZ, B. May 12, 1944, No. 9143. [Class 38 (iv)] Current, speed, fluid level, &c.-Regulating apparatus in an electric regulating system is operated by a multi-phase pilot-motor fed from a variable frequency source, which may be a frequency converter of the type described in Specification 557,112, the frequency, voltage and phase rotation of which is responsive to the magnitude and sense of any deviation of the regulated quantity from a desired value. The invention may be applied to regulating torque, mechanical tension, output, pressure, volume, rate of flow or level of fluids, temperature, arc characteristics and for other purposes. The frequency converter FC, or as in Fig. 1a (not shown), an induction machine driven by a commutator machine, has a 3-phase stator winding St connected to the A.C. mains. The embodiment shown in Fig. 1 controls the current taken by a fly-wheel induction motor M, the stator SW of which is fed through a current transformer CT from the A.C. mains and the rotor RW of which is connected through slip-rings SL to a variable resistance LR controlled by the pilot motor P energized from the converter slip-rings SL. The converter frequency is controlled by voltage applied at its commutator from a ballast resistance R across the current transformer CT which is normally balanced by an adjustable reference voltage from a potential transformer PVT. A deviation of the motor current causes a voltage to appear at the commutator so that the converter runs above or below synchronous speed and a slip-frequency voltage proportional to the deviation appears at its slip-rings. Fig. 2 shows a speed regulating system in which the commutator C is fed from an alternator A excited by the difference between the voltage of a tachometer dynamo TD and a rectifier RE. The alternator A is driven by a synchronous motor, the excitation of which may be automatically varied to stabilize the phase of the alternator output vector. The slip-ring voltage may be amplified as in Fig. 3 (not shown) by being supplied to the stator of a second commutator machine. Fig. 4 shows an induction regulator IR operated by a quantity such as pressure or water level, the pilot motor P adjusting the speed of a pump, for example. The control arrangement can also include an electro-mechanical device such as, for instance, a differentially energized D.C. electromagnetic device controlling a voltage regulator.
Patent GB-574960-A (GB)
Title: An improved fuel economizing means for internal combustion engines
IPC: F02M23/04
Filed: 1944-05-12
Abstract: 574,960. Admission devices for extra air. BERHOUDAR, O. V., and SANDER, A. O. E. May 12, 1944, No. 9148. [Class 7 (ii)] In a fitting arranged between the carburetter 1 and the inlet manifold 15 for supplying auxiliary air, which enters by a pipe 7, the supply is admitted by a valve 14 actuated by suction in the throat of the venturi 3 in the carburetter operating, as shown, through a diaphragm 18 in a chamber 19 communicating at one side with the throat of the venturi. The air, which may be drawn from the crankcase, is admitted through an annular chamber 9 in the fitting and tangential passages 12 in the inner wall 10 of the chamber. A second diaphragm 22 in a chamber 23 communicating with the induction pipe above the throttle may be provided to close the valve 14. In a modification, the diaphragm 18 is actuated by the pressure in the exhaust pipe.
Patent GB-330976-A (GB)
Title: Improvements in and relating to rent-collecting devices for coin-freed amusement apparatus
IPC: G07F17/32
Filed: 1929-03-21
Abstract: 330,976. Lennards, W. March 21, 1929. Diverting coins periodically; prize-delivery mechanism.-In coin-freed amusement apparatus means operated by the coin-freed mechanism interpose a deflector into the path of the inserted coins to direct one coin of a recurrent series into a collector, so that a fixed proportion of the coins is retained as rent. The invention is shown as applied to a so-called " Fruit machines." The coins normally pass down a shoot x, Fig. 2, into a prize magazine y having prize delivery slides 9, 10, 11. If this magazine is full the coin resting on the top is pushed, on operation of the machine, by a finger 1, Fig. 1, into a shoot m leading to a pool or " jack-pot " l, Fig. 3. A pawl arm a by which the main indicator wheels b are rotated has a supplementary arm or finger c which on each operation of the machine lifts a pawl arm d, Fig. 3, and thereby causes rotation of a ratchet wheel h and cam i. This cam engages an arm on a hinged cover k of the pool l, which, ,when closed, forms part of the shoot m. The cover k in closing turns a deflector 2 beneath the shoot x by means of a lever 6 and a link 5, so that the next coin from the shoot x is directed down the shoot m and over the cover k to a throat n leading to the rent box. The proportion of coins so diverted thus depends upon the number of teeth on the ratchet wheel h and the construction of the cam i. A pin 8 on the lever ,6 passes through a hole in the shoot m and prevents any other coins save those deflected by the part 2 from passing to the rent box. The .oontents of the pool l are delivered to the operator with the contents of the slide 9, a catch, which normally holds the bottom of the pool in closed position, being released by a lever operated from the slide 9, when the latter is opened.
Patent GB-339222-A (GB)
Title: Improvements in watches
Inventor: NICOLET GEORGE
IPC: A45C11/10
Filed: 1930-03-22
Abstract: 339,222. Nicolet, G., (trading as Stauffer, Son, & Co.). Nov. 6, 1929, [Convention date]. Watches combined with boxes.-An outer, or additional, case for a wristlet watch 4 has means for detachably securing the wristlet watch, the outer casing being in two parts 1, 2 sliding relatively to each other. The part 2 has a plate 3 with a lug 3a, in which is a hole 5 to receive one loop 4a of the watch. The other loop 4a is held by a catch 7 sliding on a threaded rod 8, hinged at 3<b>, this catch being adjusted by a nut 9.
Patent GB-590129-A (GB)
Title: Improvements in or relating to winches and the like
IPC: B66D1/06
Filed: 1945-04-13
Abstract: 590,129. Winches. GYRAL GEARS, Ltd., and CALLA, W. M. April 13, 1945, No. 9281. [Class 78(v)] In a winch of the kind wherein power is transmitted through a slipping clutch and reduction gearing to a winding drum, pressure is applied to the clutch by two springs, one of which is adjusted initially to give a predetermined adhesion value between the clutch faces and the other of which has hand adjusting means for compressing it and the first spring in order to relax the pressure exerted by the first spring on the clutch members. The driving handle 1 is mounted on a sleeve 2 which is formed integral with a clutch member 4 and is rotatably mounted on a hollow shaft 3. The other member 5 of the clutch forms part of a sleeve 6 which surrounds and is keyed to the shaft 3. A pinion 9 on the shaft 3 engages the gear 10 of a composite pinion 10, 11, 12, the gear 12 of which engages a ring 16 of internal teeth fixed within the casing 30. The gear 11 engages a ring of internal teeth 15 secured to the rope drum 14. The sleeve 3 contains springs 17, 19 which are disposed around bolts 18, 20 and abut at their inner ends against the bolt heads 22, 21. These heads bear against a freely movable cylindrical element 23. The outer end of the spring 17 bears against a plug 24 through which passes freely the bolt 18. A nut 25 on the outer end of the bolt 18 bears against a disc 26a mounted in the sleeve 2, and by adjusting this nut the tension of the spring 17 can be varied. The outer end of the spring 19 bears against a collar 26 which is movable within the shaft 3. The collar is moved inwards by a nut 27 on the bolt 20 which is engaged by a tool inserted through the end of the shaft. By this means the pressure on the clutch elements can be relaxed so that slipping will occur at a load less than that corresponding to the initial setting. This setting is restored by screwing a member 28 inwards along the bolt 20 and continuing to turn it after it abuts against the nut 27. Specifications 519,927 and 537,266 are referred to.
Patent GB-1269494-A (GB)
Title: Apparatus for supporting loads
Inventor: RANSFORD EDWARD
IPC: B65G69/22
Filed: 1968-02-27
Abstract: 1,269,494. Loading platform. E. RANSFORD. 27 May, 1969 [27 Feb., 1968], No. 9291/68. Heading B8E. A sectionalized platform to support loads for the loading or unloading of vehicles the platforms of which can pass under it comprises a structure A having side uprights B to which beams E are pivoted for movement between an inoperative position and a horizontal operative position in which they extend towards each other, to form the platform. The beams are counterbalanced by weights F which contact girders H to hold the beams in the aperture position. Bolts, catches or plungers mounted on the support structure hold the beams E in their inoperative position. The structure may be mounted on wheels.
Patent GB-1213785-A (GB)
Title: Improved scanning system
Inventor: DIPROSE KENNETH VICTOR
IPC: B23D36/00
Filed: 1969-02-21
Abstract: 1,213,785. 785. Automatic speed control. HANCOCK & CO (ENG.) Ltd. Feb.21, 1969, No.9429/69. Heading G3R. [Also in Division G1] In a method and apparatus for scanning an outline, an optical prism which is rotated by an air turbine 43 through blades 46 on which air is directed from inlets 47 under the control of a slide valve 105, has its speed held between desired limits by an induction braking coil 83 acting on a sleeve 84, the braking current being determined by a circuit using pulses generated by one of a number of further photo-cells 97 in response to the passage of a bore 99 conveying light from the source 35 controlling the length of the "off" period between the switching for a fixed period of a monostable multi-vibrator to its "on" condition. The braking current is thus applied for a greater or shorter time according to whether the turbine is running fast or slow.