baber/WOPTO huggingface dataset:
Patent GB-1388284-A (GB)
Title: Reducing catalytic structure
IPC: B01D53/94
Filed: 1972-05-25
Abstract: 1388284 Treating exhaust gas GOULD Inc 25 May 1972 [2 June 1971 and 13 Dec 1971 (5)] 24706/72 Heading F1B [Also in Division C7] A catalytic structure capable of reducing nitrogen oxides in I.C. engine exhaust gases consists of an expanded metal foil which has the catalyst metallurgically bonded to its surface. The foil comprises a base layer of nickel, iron or cobalt either above or in combination, coated with chromium or a mixture of chromium and aluminium. The layers of metal in the base are united by heating in a protective atmosphere to cause diffusion. The catalyst consists of a layer of nickel and/ or copper applied to the base structure and bonded by diffusion. The base structure is made by expanding a continuously produced electrodeposited foil of nickel, iron or cobalt and electrodepositing thereon a layer of chromium which may contain aluminium. The metals are alloyed by thermal diffusion at 2200F in argon at a pressure of half-an-atmosphere. A number of modifications are described in which the foil is coated with layers of either or both the other two metals before the chromium is applied. The production of the substrate forms the subject-matter of Specification 1388285, divided from this application. Catalysts A layer of one or more of copper, nickel, iron, cobalt, manganese and alloys thereof is applied to the substrate, and bonded thereto by thermal diffusion. The catalyst comprises 0.5 to 50 wt per cent of the catalytic structure. Migration of chromium from the substrate into the catalyst in amounts up to 15 wt per cent do not seriously affect the operation of the catalyst at temperatures between 1100F and 1700F.
Patent GB-811173-A (GB)
Title: Improvements in or relating to spring actuated motors
Inventor: ALLEN PETER STANLEY
IPC: F03G1/00
Filed: 1955-08-29
Abstract: 811,173. Spring-actuated motors. HENDREY RELAYS Ltd. Aug. 23, 1956 [Aug. 29, 1955], No. 24747/55. Class 10. In an apparatus in which a propeller 40 is driven by a coiled spring 24 which in its " unwound " and " wound " positions is tightly coiled on drums 4 and 2 respectively, a tension is maintained in the spring 24 by a spring 18 coupled between the drum shafts. The apparatus comprises a shaft 6 which is journalled between plates 10, 12, and carries a spur gear 30, the drum 2 and one end of the spring 18, and a shaft 8; which is supported by the plates 10, 12, and carries a spur gear 22 and the drum 4. A handle 38 is detachably connected to a shaft 34 which is journalled in the plate 12 and carries a spur gear 32. The latter meshes with the gear 30 which, through a spring-biased pawl 48 carried by the gear and a sprocket wheel 46 carried by the propeller shaft 42, connects with the propeller. Mounted freely about the shaft 6 is a spur gear 14 which meshes with the gear 22 and carries a barrel 16 connected to the other end of the spring 18. The spring 24 is wound up by transfer from drums 4 to 2 through clockwise :rotation of the handle 38. During this movement spring 18 transmits an " unwinding " motion to the shaft 8. Detachment of the handle and release of the propeller 40 effects rotation of the latter as spring 24 returns to drum 4 and during this rotation the spring 18 acts on the shaft 8 in an anti-clockwise direction applying thereby a tension to the spring 24 to ensure the latters complete return.
Patent GB-1356773-A (GB)
Title: Magnetic recording and or reproducing apparatus
IPC: G11B17/028
Filed: 1972-05-25
Abstract: 1356773 Magnetic disc recording and playback SONY CORP 25 May 1972 [26 May 1971 15 June 1971] 24767/72 Heading G5R A flexible magnetic record disc 28 rests limply on a support plate 26 when stationary and is centrifugally urged to a planar configuration when rotating, being in contact, even when planar, with one or more transducers 31 extending through the support plate 26; transfer of dust from the support plate 26 to the record track area on the disc 28 when limp is reduced by the provision in the support plate 26 of an annular recess 41 at least coextensive with the record track area. If a transducer is movable to engage a plurality of record tracks, a corresponding plurality of recesses or a single wider recess covering all the tracks is provided, Figs. 5, 6, 7 (not shown). Centrifugal air flow over the upper surface of the disc 28 is disrupted by baffles (42) depending from the lid of the enclosing cabinet, Figs. 2, 3, 4, 8, 9 (not shown).
Patent GB-330459-A (GB)
Title: Improvements in and relating to closet seat guards
IPC: A47K13/22
Filed: 1929-08-14
Abstract: 330,459. Sausy, F. Aug. 14, 1929. No Patent granted (Sealing fee not paid). Seat-guards.-A web of material provided with apertures 2<1>, Fig. 1, tongued at 2<11>, is fed over a closet seat from a roll 3 to a roll 4. The rolls are mounted on centres 5, 5<1>, Fig. 2, the latter being axially movable, and the movement of the web may be braked. The centre 5 of the roll 4 is driven in one direction by means of a spring box 9, cord pulley 10, and clutch 11. The cord may have a ring 12 at one end, or may pass round a roll secured to the floor and be attached to the seat.
Patent GB-975592-A (GB)
Title: Diketones
Inventor: HUGHES GORDON ALAN
IPC: C07C49/747
Filed: 1959-09-25
Abstract: The invention comprises 2-C2-5-alkylcyclopentane-1 3-diones and a process for preparing them by replacing the 4-keto group of the corresponding 2-alkylcyclopentane-1, 3, 4-trione by hydrogen e.g. by forming the 4-monosemicarbazone of the latter and heating it with KOH in ethylene glycol.  Example 1 describes the preparation of 2-ethylcyclopentane-1, 3-dione. In Example 2 ethyl 4-isopropyl-2, 3, 5-trioxocyclopentyl glyoxalate, from methyl isobutyl ketone and ethyl oxalate, is converted to 2-isopropylcyclopentane-1, 3, 4-trione and then via the semicarbazone of the latter to the corresponding 1, 3-dione.
Patent GB-1469550-A (GB)
Title: Precision function generator
IPC: H03K6/00
Filed: 1974-06-05
Abstract: 1469550 Ramp and staircase waveform generator; automatic frequency control TEKTRONIX Inc 5 June 1974 [27 July 1973] 24925/74 Headings H3A and H3T A circuit for generating a linear and/or staircase ramp comprises an integrator receiving a current which is reversed when the integrator output reaches upper and lower limits, the current being controlled in dependence upon the phase relation between the integrator output and synchronizing pulses. When the switch 3, 4 is in the position shown a Miller integrator 5 integrates the current from a source 12 until the output voltage reaches an upper threshold value whereupon a bi-stable circuit 11 is switched over to switch on a current source 12 which causes the integrator output to rapidly decrease to a lower threshold level at which the bi-stable circuit is reset and the next ramp restarted. The output of the bi-stable circuit is compared in a phase detector 13 with vertical drive synchronizing pulses and the output of the detector adjusts the current source to maintain synchronism. When the switch is in the other position each clock input at 1 operates a monostable circuit 15 to allow current from a source 17 to charge the integrator by one step. The clock pulses are also applied to a counter 16 the output of which is compared with the output of the bi-stable circuit to provide a control signal for the current source 17 for maintaining synchronism. Interrupting the clock will cause the step level to be held.
Patent GB-895065-A (GB)
Title: Gas mixtures for arc welding
IPC: B23K35/38
Filed: 1959-07-21
Abstract: 895,065. Welding by fusion. LINDE'S EISMASCHINEN A.G. GES. FUR. July 21, 1959 [Oct. 28, 1958], No. 24984/59. Class 83 (4). A shielding gas for arc welding consists of 8 ... 70% carbon dioxide, carbon monoxide or a mixture thereof, 1 ... 15% oxygen and 20 ... 89% of one or more inert monatomic gases. Up to 0.2% of a halogen, e.g. chlorine, bromine or a mixture thereof may be added. The shielding gas may include 0.1 ...2% of an easily ionizable gas, e.g. krypton, xenon silicon tetrachloride, titanium tetrachloride methyl-chlorosilane or alkyl titanates. Easily ionizable materials, e.g. lithium sodium potassium, rubidium, caesium, magnesium, calcium, strontium, barium, yttrium, lanthanum, cerium, iridium, thorium, zirconium or rhenium may be introduced to the arc as alloy components of a consumable electrode or as oxide or halide powders added to the shielding gas. Weakly radio-active substances, e.g. radium compounds, may be used. Specification 746,127 is referred to.
Patent GB-170994-A (GB)
Title: Improvements in the mounting of accessories on internal combustion engines
IPC: F02B67/06
Filed: 1920-08-30
Abstract: 170,994. Hillman Motor Car Co., Ltd., and Shaw, P. A. Aug. 30, 1920. Dynamos, supporting and mounting. - In order that the chain by which the dynamo &c. is driven from the crank shaft may be adjusted, the supporting bracket B and chain cover G are slotted for the passage of the bolts D, and a plate E interposed between the bracket B and dynamo C may be moved by means of the set screw F; guides are formed in the adjacent faces of the parts E, B.
Patent GB-851790-A (GB)
Title: Improvements in or relating to dredging plant
IPC: E02F3/92
Filed: 1959-07-22
Abstract: 851,790. Dredgers. VERSCHURE & CO.'S SCHEEPSWERF EN MACHINEFABRIEK N.V. July 22, 1959 [Aug. 22,1958], No. 25071/59. Class 68(1). [Also in Group XXXIII] A dredging plant comprises a pontoon 1 hinged to which is a ladder 2 supporting both a suction pipe and a cutter head, and an auxiliary pontoon 3 connected to the pontoon 1 for swinging movement relative thereto and serving for hoisting the ladder. Secured to the ladder 2 so as to be submerged when the ladder is lowered, is a dredging pump 11 driven by a motor 12 and a motor 13 with reduction gear 14 for driving the cutter head 15.
Patent GB-218168-A (GB)
Title: Improvements in gramophone needle adaptors
IPC: G11B3/46
Filed: 1923-10-09
Abstract: 218,168. Barnett, H. T. Oct. 9, 1923. Tool arms.-An adapter for use with fine needles comprises a socket having an upper end a the thickness of an ordinary needle, to fit the stylus-bar socket, and an enlarged short lower end c having a thumb screw d for gripping the fine needle and shaped so that its lower face is substantially parallel to the record. The length of the bore in the socket is such that when the fine needle is inserted as far as it will go, its end projects about one-sixteenth of an inch.
Patent GB-994318-A (GB)
Title: Improvements in carburettors
Inventor: MENNESSON ANDRE LOUIS
IPC: B60G17/02
Filed: 1962-06-29
Abstract: 994,318. Spray carburetters. SOC. INDUSTRIELLE DE BREVETS D'ETUDES S.I.B.E. June 29, 1962 [July 17, 1961], No. 25094/62. Heading FIB. A part idle cam 8 of an automatic choke valve carburetter is set, when starting at a temperature above a predetermined limit, by the thermostatic element 5 which controls the unbalanced choke valve 3, and a second thermostatic element overrides the first element 5, when starting at temperatures below the said limit, to move the cam to a faster idling position. The choke 3 is controlled conjointly by the thermostat 5 and a suction actuated piston 24 acting upon a lever 17 fast on a spindle 16 connected to the choke spindle 4 and the cam 8, which is free on the spindle 16, is counterweighted so as always to be urged in a clockwise direction until a projection 8b contacts an arm 17d of the lever 17. The second thermostat 9 has a radial arm 9a co-operating with a pin 21 on the cam. At the limit temperature shown in Fig. 1, the thermostat 5 closes the choke 3 and the thermostat arm 9a just contacts the pin 21. As the engine temperature rises after starting, the arm 9a moves clockwise at a greater rate than the thermostat 5 moves the lever 17 so that the cam 8 is controlled solely by the thermostat 5. At starting temperatures below the limit, the thermostat 9 moves cam 8 anticlockwise beyond the position of Fig. 1, as shown in Fig. 3, to set a faster idling speed. Immediately after starting the suction piston 24 rotates lever 17 an amount determined by the thermostat 5 and an arm 17c moves the thermostat arm 9a away from pin 21 to allow the cam 8 to move towards its position abutting the lever 17, when its further clockwise movement as the engine temperature rises is controlled by the thermostat 5. The casing 22, 23, around the thermostats may be made of plastic and the inside is heated either by hot air from a heater 29 arranged over the exhaust pipe 30 or electrically or by a circulation of hot liquid through the wall of the cover 23. The thermostat may be protected by a screen 31.
Patent GB-870173-A (GB)
Title: Improvements in or relating to vulcanised rubber compositions containing silica
IPC: C08K5/17
Filed: 1959-07-22
Abstract: Rubber compositions containing silica alone or in admixture with other filler materials and possessing improved properties are obtained by vulcanizing in the presence of 0,1% to 5% of fluorine ions based on the weight of silica present in the composition.  There may be used a silica filler containing fluorine ions or one or more substances yielding fluorine ions under vulcanization, e.g. an organically substituted ammonium fluoride.  In Examples, (1, 3 and 2, relating to natural and synthetic rubbers respectively) the silica filler was treated with a dilute solution of hydrofluoric acid prior to incorporation in the rubber mix; (5) a commercially available silica filler was incorporated in a natural rubber vulcanizable composition together with dicyclohexyl ammonium fluoride; (4 and 6) fluorine-containing silica, obtained by precipitating silica in a highly dispersed form from ammonium silicofluoride solution by aqueous ammonia, was added to a natural rubber vulcanizable composition.  Fluorine-containing silica prepared according to Specification 870,172 may be employed.  The Specification contains a long list of suitable fluorine compounds.ALSO:Silica containing traces of fluorine and suitable as a filler for natural or synthetic rubber (see Group IV(a)) is prepared by stirring 1000 1. of a 20% solution of ammonium fluoride and 14 Kg. of finely ground quartz at 100 DEG C. for 3 hours, undissolved impurities then being removed; the 20 Kg. of ammonia and water vapour released are condensed and added to the cooled solution of ammonium silicofluoride obtained above, whereby silica is precipitated in a highly dispersed activated form.  The silica is filtered off and washed with water to yield silica containing the desired amount of fluorine; in examples silicas containing 0.05% and 0.4% fluorine, respectively, were produced. Specification 870,172 is referred to.
Patent GB-1199912-A (GB)
Title: Improvements in and relating to Filters
Inventor: DAVIS MAURICE
IPC: B01D46/10
Filed: 1966-06-07
Abstract: 1,199,912. Air filter. DAVIS INDUSTRIAL EQUIPMENT CO. Ltd. 1 Sept., 1967 [7 June, 1966], No. 25253/66. Heading B1T. An air filter comprises a corrugated sheet 5 of foamed plastics or non-inflammable fabric or a laminate comprising both, the ends of corrugations being closed by walls (6) of the same material and extensions of walls (6) and sheet 5 forming a peripheral flange (7), 8. The filter and a wire support frame 12, 13 on its downstream side are clamed between frames 1, 2, 3. Side wires 12 of the support frame may be recessed into frame 3. Walls 6 are secured to sheet 5 by adhesive. Frames 1, 2, 3 are of wood, metal, plastics or ceramics and secured by bolts 11 to a support.
Patent GB-340008-A (GB)
Title: Improvements in the polymerisation of diolefines
IPC: C08F36/04
Filed: 1929-08-19
Abstract: The polymerization of diolefines by means of alkali or alkaline earth metals or their alloys is effected in presence of an organic compound containing a carbon atom with at least two valencies satisfied by oxygen.  Suitable compounds are saturated and unsaturated acyclic or, preferably, cyclic acetals, or the components of such acetals, e.g. dibutyl acetal, ethylene acetal or other acetals from 1 : 2 and 1 : 3 glycols with aldehydes, unsaturated acetals such as those from crotonaldehyde or acrolein and butylene glycol.  Or one may add ketones, which may be aliphatic, aromatic or hydroaromatic or may contain two different radicals from these classes, e.g. acetone, methyl ethyl ketone, cyclohexanone, quinone, acetophenone, benzophenone or furfural. Or aldehydes, especially unsaturated aldehydes, may be added, e.g. formaldehyde, acetaldehyde, crotonaldehyde, acrolein, benzaldehyde, or cinnamic aldehyde. Esters, especially ortho-esters, may be used, e.g. orthoformic or orthocarbonic ethyl ester, or amyl acetate, ethyl acetate, ethyl crotonate or phthalic diethyl ester.  Acids e.g. acetic and formic acids may be employed, but preferably in very small amounts.  The amount of these agents added is usually between 0,05 and 5 per cent by weight of the diolefine under treatment.  If this organic agent reacts with the metal used, excess of the metal is usually taken, so that some free metal is available for the polymerization, but when the product of this reaction with the metal is itself a polymerizing agent, an excess of the metal is unnecessary.  Using small quantities of the said organic compounds, tough products are obtained, and with greater additions, soft and plastic materials are obtained.  The process may be carried out with the further addition of solvents or in the presence of the cyclic diethers or unsaturated ethers described in Specifications 334,184 [Class 2 (iii), Dyes &c.], and 340,474.  The said organic compounds are usually employed in a finely dispersed state i.e. they should be soluble in the reaction mixture, or they are employed in the liquid or gaseous state, or as solutions, true or colloidal, or as emulsions or as a finely divided suspension. A wide range of temperature may be used, and the range from room temperature to 90 DEG  C. is mentioned in particular.  Examples are given of the use of a dibutyl acetal, ethylene acetal, the acetal from crotonaldehyde and 1 : 3 butylene glycol, the acetal from acrolein and 1 : 3 butylene glycol, acetophenone, benzophenone, crotonaldehyde, stearic acid and vinyl ethyl ether, phthalic diethyl ester, ethyl orthoformic ester, and oleic acid.  The products may be used in the preparation of vulcanization products similar to rubber products or for the manufacture of coatings, films, lacquers, artificial silk and the like.  Specification 320,362, [Class 2 (iii), Dyes &c.], also is referred to.
Patent GB-1093465-A (GB)
Title: Improvements relating to zirconium-organic complexes
Inventor: WOMERSLEY PETER
IPC: C07F7/00
Filed: 1965-06-16
Abstract: Metal-organic complexes are obtained by reacting 1 mol of a water-soluble zirconyl salt with from 1.25 to 2.5 mols of lactic or glycolic acid and neutralizing with a base.  Bases which may be employed in the neutralization step include ammonia, morpholine and sodium hydroxide.  In the examples, complexes are obtained from zirconium acetate and lactic acid.
Patent GB-742432-A (GB)
Title: Improvements in or relating to corsets, girdles or the like wearing apparel
Inventor: HOLSCHER HEINRICH
IPC: A41C1/16
Filed: 1953-09-15
Abstract: 742,432. Corsets. SPIESSHOFER & BRAUN GES. Sept. 15, 1953, No. 25403/53. Class 141. An elastic corset or girdle 1 has sewn thereto an inelastic front panel 2 which is provided with a front shield 3 formed with a pocket 10 for a lyre-shaped flattened spiral spring 5. One or more horizontally and/or vertically arranged reinforcing strips 9 may also be provided above or within the spring 5 or smaller lyre-shaped springs may be arranged within the spring 5. In a modification, the spring 5 is inverted.
Patent GB-690719-A (GB)
Title: Improvements in method of making pneumatic tyres
IPC: B29D30/00
Filed: 1951-10-31
Abstract: 690,719. Pneumatic tyres. UNITED STATES RUBBER CO. Oct. 31,1951 [Feb. 21, 1951], No. 25425/51. Drawings to Specification. Class 144 (ii). A method of making pneumatic tyres having plies of transverse cords comprises (a) building the tyre undersize with ingredient in the bead areas to activate local vulcanization; (b) vul. canizing the bead areas-before or after shaping-without vulcanizing remainder of tyre; (c) expanding the tyre to stretch the cords and completing vulcanization whilst maintaining the cords in stretched condition.
Patent GB-534826-A (GB)
Title: Improvements in or relating to the preparation of resinous materials
IPC: C08F30/02
Filed: 1939-09-08
Abstract: 534,826. Vinyl polymerization products. TENNANT, W. J. (Dow Chemical Co.). Sept. 8, 1939, No. 25469. [Class 2 (iii)] Styrene or partially polymerized styrene is co-polymerized with one or more phosphoric acid esters having the general formula wherein Y is an alkyl radical or hydrogen, and R<SP>1</SP>, R<SP>2</SP> are each a hydrocarbon radical, by subjecting the mixture to the action of heat with or without exposure to the action of actinic light and in the presence or absence of polymerization catalysts, e.g. benzoyl peroxide, ozone or strong mineral acid. Esters specified are triallyl phosphate, tri-methylallyl phosphate, di-allyl ethyl phosphate, monoallyl di-(o-xenyl) phosphate, di-ethylallyl naphthyl phosphate, methylallyl ethyl butyl phosphate, di-methylallyl isopropyl phosphate, allyl di-benzyl phosphate, methallyl diphenyl phosphate, and allyl di-methylallyl phosphate. The polymerization may be effected in the presence or absence of solvents or emulsifiers, and plasticizing agents, fillers, pigments, and dyes or other effect materials may be added to the materials before or after the polymerization. The mixture of monomers may be stabilized against premature polymerization by the addition of an inhibitor such as quinone or trinitrobenzene. The polymers are soluble in, or substantially insoluble in, aromatic solvents, e.g. benzene, depending upon the conditions of preparation. The polymers are transparent mouldable solids which have dielectric properties, and which may be used in the preparation of varnishes, lacquers, paints, coating and impregnating compositions, films. foils and laminations. In examples (1), (2), (4) and (5) styrene is heated with trimethylallyl phosphate, tri-allyl phosphate or mono-methylallyl di-phenyl phosphate, (3) partially polymerized styrene is heated with trimethylallyl phosphate, (6) a solution of styrene and tri-allyl phosphate in benzene is heated to a stiff gel from which the polymer may be precipitated by the addition of ethanol and (7) partially polymerized styrene and tri-allyl phosphate are heated in an aqueous solution of albumin.
Patent GB-715795-A (GB)
Title: Improvements relating to windows
IPC: B60S1/54
Filed: 1952-10-14
Abstract: 715,795. Windows; preventing condensation, &c. AUSTER, Ltd., and SMALL, W. W. July 31, 1953 [Oct. 14, 1952], No. 25657/52. Class 20 (3) Windows, particularly windows and windscreens of public service vehicles, comprise inner and outer transparent panels 1. 2, fitted within a common frame 4, warm air being introduced into the space 3 between the panels through an inlet 19 connected, e.g. to the air heating system, and exhausted therefrom through hooded slots 16 in a sheet metal plate 15 in the upper part of the inner panel 1. The frame 4 is provided with a channel 6 in which the outer glass panel 2, preferably curved outwards in a horizontal plane, is fitted, the inner panel 1 being mounted in a separate frame 8 which is hinged at 10 to a flange 7 of the frame 4. A rubber sealing strip 9 is fitted round the frame 8. Pivoted spring-loaded bolts located in casings 13 on the lower bar of the frame 8 engage slots in the lower flange 7 of the frame 1 to secure the panel 1 in the closed position, the bolts being operated by a removable key. In alternative constructions, the hinges for the inner panel may be at one atde and the outer panel may be curved in a vertical direction. In a further embodiment the inner panel is fixed and the outer panel is hinged.