baber/WOPTO huggingface dataset:
Patent GB-613681-A (GB)
Title: Improved circuit arrangements for the amplification or frequency-transformation of electrical oscillations
IPC: H03D7/10
Filed: 1946-06-26
Abstract: 613,681. Valve circuits for radio reception. PHILIPS LAMPS, Ltd. June 26, 1946, No. 19079. Convention date, April 16, 1942. [Class 40 (v)] In a high-frequency amplifier (Fig. 1) the signal to noise ratio is improved by means of positive feedback over an inductance 5 in the cathode circuit, where the distribution noise is absent. The circuit is maintained stable by means of negative feedback over an inductance 6 in the anode circuit. An arrangement for a frequency-changing circuit (Fig. 2) is based upon the better signal to noise ratio in the anode circuit for signal frequency than for the intermediate frequency, due to the mutual conductance being greater than the conversion conductance. Positive feedback is taken from an inductance 5 and negative feedback from the intermediate frequency output circuit 4 via a second mixer 10 in which the signal frequency is regained by beating against the local oscillator 7. In a modification (Fig. 3, not shown), the inductance 5 is placed in the cathode lead of the frequency changer and the valve 10 serves in addition as an intermediate-frequency amplifier. The undesired coupling which the valve 10 provides between the local oscillator and the input circuit may be neutralized by means of a compensating coupling.
Patent GB-221921-A (GB)
Title: An improved bracket for supporting in position the observation mirrors of motor carsand vehicles, also applicable for other purposes
IPC: B60R1/06
Filed: 1923-07-25
Abstract: 221,921. Meredith, J. C. July 25, 1923. Look-out reflectors. - A bracket, primarily intended for supporting an observation mirror on a vehicle &c., comprises two similar part's 1, the outer ends of which are adapted, when drawn together by a bolt 8, to grip the ball stem 3 of the mirror 2, while the inner faces, of the inner ends are provided with a number of surfaces of such shape as to grip supports of different shapes. In the construction shown the inner ends are drawn together by a bolt 16 and long nut 17, passed through closed slots in the ends, the inner surfaces of which are each formed with a lip 12, a short' flat surface 13, a segmental notch 14 and a somewhat flat curved surface 15.
Patent GB-836416-A (GB)
Title: Washing machine tub support
Inventor: FISHER BERNARD
IPC: D06F37/24
Filed: 1956-06-20
Abstract: 836,416. Washing-machines. EASY WASHING MACHINE CO. Ltd. June 20, 1956, No. 19178/56. Class 138 (2). [Also in Group XIII] In a washing machine a rotatable upright tub is supported by a rigid ball for both tilting and lateral movement relative to a base 10, means being provided resiliently urging the tub toward the upright position. Substantially all the subject-matter of the Specification is included in one or more of Specifications 833,445, 836,414 and 836,415. The Specification also describes a modified structure for co-operation with the supporting ball 80a as shown in Fig. 13. The ball 80a rests on a steel plate 84a carried in a ball retainer 82a of rubber or the like. The retainer 82a has a substantially cylindrical wall 83a faced outwardly from the ball and made sufficiently strong to prevent unseating of the ball if abnormal lateral forces are encountered. A flat plate 78a replaces the inverted cup-shaped element of the other construction, and an annular ring 270 of rubber or the like is bonded to the lower surface of this plate to prevent movement of the plate off the ball.
Patent GB-1041428-A (GB)
Title: Electrodes for electric cells
IPC: H01M10/28
Filed: 1964-05-08
Abstract: 1,041,428. Accumulators. MALLORY BATTERIES Ltd. May 8, 1964 [May 16, 1963], No. 19199/64. Heading H1B. An electrode for an accumulator comprises an electrically conductive matrix of a porous mixture of epoxy resin and hardener with electrically conductive material and having active material in the pores, the material preferably being amalgamated zinc. Silver is preferred as the conductive material.
Patent GB-193666-A (GB)
Abstract: 193,666. Bowman, G. Feb. 17, 1922. Pneumatic actuation.-An electric circuit is closed by the vacuum created by an internal combustion engine. Contacts 7, 8 are mounted on the non-conducting end 2a of the cylinder 2 which contains a piston 3 having a projection 6 engaging the spring blade on which is mounted the contact 7. The upper end of the cylinder is connected by way of a non-return valve 4 with the induction pipe or engine cylinder. A washer 13 is provided for sealing the valve 4 and ensuring that no air is drawn therethrough into the induction pipe when the piston is at the top of the chamber. A second non-return valve 5 allows the free access of air to the lower side of the piston. The enclosed air retards the fall of the piston when the engine stops, until a groove 9 in the cylinder wall puts the spaces on opposite sides of the piston into connection with each other; the remainder of the fall is rapid and produces a sudden separation of the contacts 7, 8.
Patent GB-1088588-A (GB)
Title: Sintered iron-base materials
IPC: F02F1/20
Filed: 1966-05-03
Abstract: A powder-metallurgical composition particularly suitable for the production of sleeve valves and valve seats consists of iron containing graphite and .nickel.0.5 - 5% .lead.1 - 4% while molybdenum and cobalt may also be present, the former being present in the range 1.2 - 1.8%, and the content of cobalt being eight times that of molybdenum.  Vanadium may also be present within the range 0.05 - 0.2%.  After briquetting the compact is sintered and hot or cold pressed at a pressure greater than that used during briquetting, and may then be heated to a temperature above the Ac 3 point, cooled rapidly, and tempered at up to 650 DEG C.  Alternatively the heat treatment may be carried out after sintering and prior to cold working.  As exemplified, a particular powder composition was briquetted at 3.5 tons/sq. cm, and sintered at 1100 DEG C. in a neutral atmosphere for three hours; the compacts were then heated to 830 DEG C. for fifteen minutes, rapidly cooled, and tempered at 580 DEG C. for thirty minutes, after which they were cold compressed at 7 tons/sq.in.
Patent GB-314392-A (GB)
Title: Method of and means for sectional electro-plating, particularly applicable for plating large objects with chromium
IPC: C25D7/04
Filed: 1929-06-25
Abstract: 314,392. Siemens & Halske Akt.- Ges., (Assignees of Schwartz, K. W.). June 26, 1928, [Convention date]. Drawings to Specification. Chromium and other metals, depositing; metals, pickling; electrodes, moving; connections; electrolytes, circulating, heating, and cooling.- Large objects are electroplated in sections using anodes which are divided into sections insulated from one another and connected to separate supply leads. For chromium-plating the inside of a reaction chamber for oil cracking purposes having a height of 12 metres and a diameter of 3 metres, the anodes are rotated by a spindle introduced through an aperture at the top of the chamber and supported in a bearing in a horizontal plate near the bottom. The anode sections are supported by tubes which serve as protectors for the supply leads, the tubes comprising easilydetachable longitudinal sections, the upper of which are removed successively so as to effect plating of the container in strips from bottom to top. The leads are connected to independent collector rings. Two anode sections lying in the same plane may be provided, one of which is conected to such a voltage that generation of gas without deposition of metal takes place so as to effect cleaning of the cathode, the other anode being connected to a higher voltage for deposition. Curved anode sections are provided for plating the ends of the container; these may be connected so as to produce a higher current density at recessed parts. An overflow chamber is fitted at the top of the container from which the electrolyte consisting mainly of chromic acid is returned by a pump through a heating or cooling device to the bottom of the container.
Patent GB-1469628-A (GB)
Title: Operators cabs for use in mobile machinery
IPC: B60J5/00
Filed: 1975-05-09
Abstract: 1469628 Vehicle cabs FMC CORP 9 May 1975 [23 Sept 1974] 19538/75 Heading B7B [Also in Divisions E1 E2 and B8] In machinery, such as a crane or shovel, mounted on a vehicle, an operator's cab is expandible to increase the interior cab space for an operator. As shown in Fig. 6, the cab has a movable outer wall 40 which is hinged at its forward end to the stationary cab unit 30. The wall 40 has a horizontally sliding access door 102 with a window 104, a rear end portion 110 with a window 112, and a left-hand operator's control console 52. Flanges projecting from the sides of wall 40 co-operate with the stationary unit 30 to provide a seal therewith in the outward and inward positions of the wall 40. The top flange 136, Fig. 10, of the wall overlaps the cab roof and carries a roller 144 at its rear end which rolls on the roof during movement of the wall section 40. The access door 102 is suspended on upper and lower roller slide assemblies 174, 176, Fig. 3, contained within the wall 40 and contains a latching handle 214 which by means of a flexible shaft 216 operates a latch pin 220 for latching the door in one of several positions. The expansion wall 40 further comprises a latching system 165, Fig. 6, in which pivot latches 264 mounted on the rear end 110 of wall section 40 engage with one or other of locking brackets 262, 260, mounted in a space 92 at the rear of the cab unit 30, to lock wall 40 in a selected outward or inward position. A lever 266, Fig. 15, may be operated to move latches 264 in unison thus releasing them from either of the locking brackets 262, 260.
Patent GB-191768-A (GB)
Title: Mechanical control of oil and air in liquid fuel burning apparatus
IPC: F23D11/10
Filed: 1921-07-21
Abstract: 191,768. Gidino, G. July 21, 1921. Oscillating cylindrical valves.-Liquid fuel and air are delivered to a combustion chamber from a mixing chamber or chambers to which they are admitted successively bv mechanically operated means in the proportions required to effect complete combustion. An oval mixing chamber a is formed in a body b which is oscillated in a stationary casing c by a rotating shaft 5 carrying a cam 4 with which a roller 2 on a lever arm 1 is held in engagement by a spring 3. The lever arm 1 is carried on a spindle w extending from the body b through a stuffing box x in a cap v which holds the body b in the casing c. The liquid fuel and compressed air pass from supply pipes h, r through valves i, s and pipes g, p to ports e, n in the casing c. When a port d in the body b is opposite the port e liquid fuel enters the mixing chamber a and falls on a distributing device 10. When the body b is oscillated the liquid fuel is cut off and air admitted to the mixing chamber through a port m and passage t carries the liquid fuel in an atomized condition through the delivery nozzle u' into the furnace. One of the Provisional Specifications states that the oil and air admission into the mixing chamber and the mixture discharge from the mixing chamber are all controlled, by adjustable cams operating in succession. Two of the Provisional Specifications state that the oil and air admission means may be operated by the waterwave transmission known as the Dorman Process.
Patent GB-1244299-A (GB)
Title: Closing device for the nozzle of a projectile furnished with a rocket motor
IPC: F42B15/00
Filed: 1970-04-23
Abstract: 1,244,299. Tube closure member. BOFORS AB. 23 April, 1970 [23 April, 1969], No. 19639/70. Heading F2P. [Also in Division F3] A device for closing the nozzle 3, Fig. 1, of a rocket, comprises a metal cap 1 of high tensile strength, and a connecting member 4, 5, 6, the part 6 of which is bent inwards under a sufficiently high external gas pressure and breaks, thereby interrupting the mechanical connection between the cap and nozzle. A groove 10 is provided to trap particles from a lead seal 8. In another embodiment, Fig. 3, a flange 11 provides a shearing edge for the connecting member.
Patent GB-478802-A (GB)
Title: Improvements in or relating to electrical condensers
Filed: 1937-07-16
Abstract: 478,802. Condensers. LORENZ AKT.- GES., C. July 16, 1937, No. 19740. Convention date, July 16, 1936. [Class 37] A multiple condenser comprises a number of individual condensers having a common plate connected to earth by a number of separate short conductive paths. In the example individual plates 2, 3, 4 coact with a common plate 1, in this case a side of the casing 7, and the connections to an earthed plate 10 are constituted by a number of tongues 9 of metal pressed out from an intermediate plate 8.
Patent GB-987573-A (GB)
Title: Strengthened lithium greases
IPC: C07D303/40
Filed: 1961-06-02
Abstract: A grease contains a lubricating oil and a combination of lithium soaps of C12- 22 saturated fatty acids and of vicinal epoxydized fatty acids.  The soaps can be obtained from the acids, their esters, or glycerides.  Suitable acids given include hydroxy acids.  The oil may be synthetic, e.g. esters, or ethers, or they may be mineral, vegetable or animal.  Metal naphthenates are optional additives. Specification 985,217 is referred to.
Patent GB-772167-A (GB)
Title: Improvements in feed apparatus for openers for textile fibrous materials
IPC: D01G23/00
Filed: 1955-07-12
Abstract: 772,167. Opening machines. HOTTELART, LES FILS DE C. July 12, 1955 [July 13, 1954], No. 20117/55. Class 120 (1). Relates to openers for textile fibrous material, of the kind in which a rotary spiked drum 7 opens material held by a trough-shaped blade 19 in the points of a rotary spiked feed cylinder 3, blade 19 being carried by the vertically - slidable bearings 11 of a pressure cylinder 10. The bearing slideways are formed in supports 12 which can each pivot about an axis 13 against a spring 15 to enable blade 19 to move away simultaneously from drum 7 and cylinder 3 in accordance with the thickness of the material engaged between cylinders 3, 10. The pressure of spring 15 can be regulated by a screw 17. Each bearing 11 can yield upwardly against a spring 29 the pressure of which is adjustable by means of a threaded rod 22; the minimum distance between blade 19 or cylinder 10 and cylinder 3 is adjustable by means of nuts 26 on threaded rods 25. Spring 15 may be replaced by an articulated lever and counterbalance weight. '
Patent GB-981393-A (GB)
Title: Yarn welding device
IPC: B65H69/08
Filed: 1963-05-21
Abstract: 981,393. Joining yarns. MONSANTO CO. May 21,1963 [June 18,1962], No. 20182/63. Heading D1W. Apparatus for thermochemically jointing overlapped, thermoplastic e.g. nylon, yarns, comprises a reservoir for a fluid agent e.g. dihydroxybenzene (resocinol, hydroquinone, pyrocatechol) or trihydroxybenzene (pyrogallol), absorbent means e.g. a wick, having one end in the fluid and the other end positioned so that the yarns may be brought into contact therewith and be thereby coated with the agent, and electric heating means which contact the yarns and effect a fused union thereof. In the operation of the device shown, overlapped yarn ends 28, 29, are inserted into a slot 13 and pressed against a wick 12 housed in a reservoir 5, the ends thus coated are immediately forwarded into the tapered, adjustably spaced, receiving jaws of plates 18 of a fusing tool, comprising an electric resistor 16 housed in a grill formed by arcuate bars 14, and the joint is completed. A modified plate 30, Fig. 8, comprises a bent upper edge, V-shaped side edges and a cutting edge 31 which facilitates trimming of excess ends.
Patent GB-1010111-A (GB)
Title: Vapour deposition of metallic films
Inventor: AYLING STANLEY GERALD
IPC: H01L21/60
Filed: 1962-05-25
Abstract: <PICT:1010111/C6-C7/1> A metallic film deposit on an insulating substrate, such as glass or plastic, contains a metal which is adhesive to the substrate material and a soft-solderable metal, the deposit being graded in composition so that the content of adhesive metal is substantially 100% near the substrate and decreases progressively and substantially uniformly to 0% at the exposed surface.  The decrease may take place in a number of steps by building up the deposit of a number of homogeneous sub-layers with a finite thickness of adhesive metal adjacent the substrate and a finite thickness of soft-solderable metal over the graded sub-layers. In an example a glass substrate 1 is rinsed in acetone, dried by baking in air and ioncleaned, then placed in inverted glass bell-jars. Molybdenum boats 6 and 7 contain respectively chemically cleaned chromium and gold and are separated by a shield 11.  The boats are separately heated according to a determined schedule to deposit on the substrate, through mask 12, a layer of chromium followed by a graded layer of chromium and gold and finally a layer of gold, aluminium shutter 13 being moved aside during deposition of the metals.  Reference is also made to coating with chromium and copper, a final annealing in a non-oxidizing atmoshere being necessary to prevent formation of a surface oxide film. Also, chromium and gold may be deposited on an aluminium film in the production of aluminium-silica-aluminium capacitors.
Patent GB-221212-A (GB)
Title: Internal combustion engine
IPC: F02B75/02
Filed: 1924-08-27
Abstract: 221,212. Ruggieri, E., and Bemporad, C. Aug. 27, 1924. Four-stroke-cycle engines with pairs of cylinders having common combustion chambers 3 have the inlet and exhaust valves 5, 6 for each pair over the two cylinders and the spark plug 7 in the centre of the combustion chamber. The valves are coaxial with, and are approximately of the same diameter as, the cylinders beneath them.
Patent GB-183491-A (GB)
Title: Improvements in or relating to internal combustion engines
IPC: F16H23/06
Filed: 1922-07-24
Abstract: 183,491. Pateras Pescara, Raul, Marquis of. July 22, 1921, [Convention date]. Valve-gear.-In a multicylinder engine with cylinders arranged parallel to the shaft 25 and the pistons driving through swash-plates 52, 53, the valves are actuated by face cams on discs 90, 91, 92 driven from the cam shaft 38; this shaft is driven at one-sixth of the speed of the power shaft 25.
Patent GB-436440-A (GB)
Title: Improvements in and relating to automatic lathes
IPC: B23B13/00
Filed: 1935-07-16
Abstract: 436,440. Lathes. PITTLER WERKZEUGMASCHINENFABRIK AKT.-GES., Wahren, Leipsic, Germany. July 16, 1935, No. 20298. Convention date, Nov. 26, 1934. [Class 83 (iii)] An automatic bar stock lathe wherein the bar is fed past the tools by axial movement of the spindle 19 is provided with bar-clamping means actuated by a sleeve 18 slidable on the spindle and operated through a bell-crank lever 16, spring bolt 15, sliding member 11, cam disc 9, gearing 5, 6 and one revolution clutch 2 from a constantly driven wheel 1. The gearing 5, 6 has a 1 : 2 ratio so that the cam disc rotates half a revolution at each actuation of the clutch 2. The member 11 is thus moved alternately up and down. When the spindle 19 and sleeve 18 are in the full-line position in Fig. 1 at the end of the operative spindle movement, the clutch 2 is automatically engaged by a projection 22 arranged on the control shaft 21. This projection operates a lever 24 to withdraw a pin 25 and locking bolt 28 to allow a spring 4 to engage the clutch which then rotates one revolution before it is retracted by the pin 25. This moves the member 11 downwardly to open the clamping means 18. At the end of the return spindle motion, the clutch 2 is again actuated to move the member 11 upwardly (dotted position in Fig. 1) to close the clamping device for a further working operation.
Patent GB-151441-A (GB)
Title: Improvements in floors and ceilings for buildings
IPC: E04B5/26
Filed: 1919-08-18
Abstract: 151,441. Jefferies, A. F. Aug. 18, 1919. Joist floors with slab and concrete filling; beams. -Wooden joists a are shouldered to support slabs b which have frogs g on their upper faces and are covered with plastic concrete c, Fig. 1, or with similar but inverted slabs, Fig. 8. The lower slabs may be reinforced by wires i or strips of expanded metal, and the sides may be bevelled to fit corresponding bevels on the joists. The joists may be provided with T or other section bars a<2> on their lower or upper faces.
Patent GB-964153-A (GB)
Title: Cushioning pads for protective packaging
Inventor: SMITH PETER SEYMOUR
IPC: B65D5/50
Filed: 1962-05-26
Abstract: 964,153. Internal fittings for boxes; protective packaging. SMITH, STONE & KNIGHT Ltd. May 7, 1963 [May 26, 1962], No. 20345/62. Headings B8C and B8P. A cushioning pad 10, adapted to be located between a corner of an article and a container, is made by coiling a single strip of corrugated paper to an L- shape, the layers being secured together by adhesive. The pad is formed with a V-shaped groove, having an apex angle of less than 90 degrees at the junction of its two faces 12 and 13. The corner of the article is spaced from the pad, but otherwise the configuration of the pad corresponds to the configuration of the two surfaces of the article defining the corner.
Patent GB-761066-A (GB)
Title: New anthraquinone vat dyestuffs and process for making them
IPC: C09B1/44
Filed: 1953-07-22
Abstract: 2-Chloro-3-bromo-anthraquinone is obtained by Sandmeyer reaction from 2-amino-3-bromo-anthraquinone.  Thiophene - 2 - carboxylic acid 5 - sulphodialkylamides are obtained from thiophene-2-carboxylic acid 5-sulphochloride and dialkylamine, e.g. dimethylamine, diethylamine, piperidine and morpholine, and also from isopropylamine, followed by methylation with dimethyl sulphate.ALSO:The invention comprises dyes of the formula:-<FORM:0761066/IV(b)/1> in which R1 is a residue of the benzene-series and R2 and R3 represent alkyl groups or alkylene residues connected at the end carbon atoms directly or through a hetero atom to form a heterocyclic ring with the N - atom of the sulphonamide group. R1 may contain substituents such as halogen, alkyl, alkyloxy, or phenol.  The products dye or print cotton, linen, artificial silk or regenerated cellulose.  In examples, 1 - amino - 4 - benzoylamino - 6, 7 - dichloroanthraquinone is reacted with the 2 - carboxylic acid chloride of thiophene - 5 - sulphodimethylamide, sulphodiethylamide, sulphopiperidide, sulphomorpholide, or sulpho - isopropyl - methyl - amide.  Also, in examples, thiophene - 5 - sulphodimethylamide - 2 - carboxylic acid chloride is reacted with 1 - benzoylamino - 4 - amino - 6 - chloro - 7 - bromo - anthraquinone or 1 - amino - 4 - (p - chlorbenzoylamino) - 6, 7 - dichloroanthraquinone.  A dyeing example with cotton is given.  1 - Benzoylamino - 4 - amino - 6 - chloro - 7 - bromoanthraquinone is prepared from 2 - chloro - 3 - bromoanthraquinone by nitration, reduction, acylation with oxalic acid, nitration, deacylation, benzoylation and reduction.
Patent GB-883259-A (GB)
Title: Improvements in or relating to vitamin compositions comprising cobalamine and ascorbic acid
IPC: C12P19/42
Filed: 1959-06-15
Abstract: Solid and liquid vitamin compositions comprise cyanocobalamin (Vitamin B12) and ascorbic acid and, as stabilizer, an organic or inorganic nitrite in a concentration equivalent to from about 0.0005% to about 0.1% by weight of NO2 of the composition.  Specified nitrites are those of the alkali and alkaline earth metals (sodium nitrite is preferred), alkyl nitrites and acid nitrites e.g. nitrous acid.  The compositions may be in solid form e.g. a tablet or in liquid form e.g. an aqueous solution or an emulsion.  It is stated when the solvent in liquid preparations contains about 60% or more glycerin or about 50% or more propylene glycol, the stability of the cyanocobalumin in the presence of ascorbic acid and nitrite is enhanced.  Other water or oil soluble vitamins may also be incorporated in the compositions these specified being Vitamin A (palmitate), Vitamin D3, F riboflavin, thiamine (hydrochloride), pantothenyl alcohol, nicotinamide, pyridoxine (hydrochloride), folic acid, calcium pentothanate.  Ferrous gluconate may also be present.