baber/WOPTO huggingface dataset:
Patent GB-999736-A (GB)
Title: Improvements in or relating to crosslinking processes
IPC: C08K3/28
Filed: 1963-05-30
Abstract: An ethylene polymer containing 0.3 to 5% by weight of carbonyl groups (e.g. oxidized polyethylene) is cross-linked by mixing with an organic compound containing at least two primary amine groups (including hydrazine) or with a precursor for such a compound and heating to above the softening point of the polymer.  Preferred amines are hexamethylene diamine, tetramethylene pentamine, phenylene-1,4-diamine and 1,8-diaminonaphthalene; preferred precursors are ethylenediamine carbamate and hexamethylenediamine carbomate. Optional additives are s or t amines as accelerators, and antioxidants such as 4,41-thiobis-(6-t-Bu-m-cresol). Specification 471,590 is referred to.
Patent GB-910918-A (GB)
Title: A mounting for a machine or tool
IPC: B25B1/24
Filed: 1961-06-16
Abstract: 910,918. Clamps; vices. POLLAK, R. June 16, 1961, No. 21826/61. Class 61. [Also in Group XXV]  The combined mounting and vice disclosed in Specification 888,584 is modified to include clamp means to act between a body part and a supporting member on which the body is seated by the suction pad. As shown, the clamp means is a C-clamp 12, a free arm 6 of which engages in a recess 7 in the body part 1.
Patent GB-886739-A (GB)
Title: Improvements in or relating to pulse-separating circuit arrangements
IPC: H04N5/21
Filed: 1958-07-08
Abstract: 886,739. Non-linear discharge tube circuits. PHILIPS ELECTRICAL INDUSTRIES Ltd. July 8, 1958 [July 10, 1957], No. 21854/58. Class 40(6). [Also in Group XL(b)] A limiter circuit for separating out interference signals, particularly for use in a television receiver in which the synchronizing pulses are positive and the picture signals negative going, comprises a negatively biased valve to the control electrode of which the detected signal is applied with the sync. pulses having positive polarity. The signal is also applied to a peak detector circuit having a network of time constant high relative to one period of the sync. signal and a limiting impedance connected in series with the rectifier the output voltage being applied to the control electrode of the limiter so that the peaks of the sync. pulses are at a level corresponding to the cut-off voltage of the limiter. In this way effective removal of the interfering pulses is produced even when the amplitude of the incoming signals varies considerably in either direction. Fig. 3 shows an interference separator circuit in which the detected input signal 22 has interference signals 19, 20, 21, the limiter tube 8 has a negative bias voltage which is approximately equal to the cut-off voltage of the tube. Capacitor 2 is charged via the second control grid 5<SP>1</SP> of tube 6<SP>1</SP> so that the peaks of the sync. pulses are substantially at earth potential, the time constant of the network 2, 3 being large compared with one line period. Only during the occurrence of interference pulses does anode current flow to produce an output signal 19<SP>1</SP>, 20<SP>1</SP>, 21<SP>1</SP>. The limiting resistor 4 ensures that no current flows during interfering pulses of short duration. No grid current flows in tube 8 unless the interfering signals are of such amplitude that they exceed the cut-off voltage of the tube, this effect being restricted by limiting resistor 35. Whatever amplitude variation of the video input signal may occur, for example due to A.V.C. variation, only the interference pulses appear at the output of tube 8. The interference signals separated out in tube 8 are supplied to the first control grid 30 of tube 61 via time constant circuit 28, 29, the interference signals 27 being applied with a polarity to cut-off the tube. The supply voltage for the screen grids 31, 32 is so chosen that the output signal 34 is substantially free of interference, the pulses 19, 20, 21 being removed from the output signal owing to the counteraction of signal 27.
Patent GB-334660-A (GB)
Title: Method of and apparatus for the treatment of flue gases, residual trade gases and the like
IPC: B01D47/06
Filed: 1929-07-16
Abstract: 334,660. London Power Co., Ltd., and Pearce, S. L. July 16, 1929. Gases, washing.-Flue gases enter a chamber a and are saturated with warm water from atomizers b separated by baffle-board scrubbers or partitions of packing material e, and after a change in direction the gases are washed by sprays f in a tower g containing wood, fireclay, metal tubes, earthenware or porcelain. The gas then turns to pass up towers k, l containing filling materials over which flows alkaline wash water. The gas passes on through perforated moisture eliminators m in baffle form to a chimney n, at the base o of which ozone or hot air is added. Iron or other catalyst is used in the chamber a to assist in oxidizing sulphur dioxide fumes; in this chamber liquid is atomized at 175-180‹ F. and recirculated. Blowers or other grit extractors are associated with the chamber a.
Patent GB-597263-A (GB)
Title: A combination tool
IPC: B25F1/00
Filed: 1945-08-25
Abstract: 597,263. Taps, stocks, and dies. BASFORD, S. Aug. 25, 1945, No. 21873. [Class 83 (iii)] [Also in Group XXIII] A combination tool including spanners, screwing-dies, tap wrenches and taps comprises a steel plate formed with spanner openings P, Q at its ends, screwing dies R, S, W, X and tap wrench holes T, U, V along its length together with a multiple tap F1, G1, H1.
Patent GB-788953-A (GB)
Title: Improvements in or relating to curing or vulcanising organopolysiloxanes
Filed: 1955-07-29
Abstract: An organopolysiloxane having a ratio of organic radicals to Si atoms of about 2 : 1 and in which at least 0.01 mol. per cent of the Si atoms have at least one alkenyl radical attached thereto, is cured or vulcanized by admixing therewith at least 0.5 per cent by weight of the siloxane of a thiuram mono-, di- or tetrasulphide, a salt of a dithiocarbamate, a xanthate, a xanthogen disulphide, or a compound of the general formula <FORM:0788953/IV (a)/1> where X is a hydrogen or metal atom or the radical <FORM:0788953/IV (a)/2> or a mixture of such compounds, and heating the mixture until the desired degree of curing or vulcanization is obtained.  The siloxanes used may be homopolymers or mixtures of mono-, di- and tri-organosiloxanes or copolymers thereof with or without SiO2 units, and the Si-bonded radicals thereof may be entirely alkenyl or alkenyl and aliphatic, aryl or halogenated hydrocarbon radicals.  Many examples of the siloxanes and vulcanizing agents are given.  Curing may be effected at temperatures from 50 DEG  to 300 DEG  C. and at atmospheric pressure or in a press.  The siloxane-curing catalyst compositions may also contain fillers, e.g. titania, oxides of zinc, magnesium, iron and chromium, glass fibres, diatomaceous earth, silica aerogels and xerogels, fume silicas, crushed quartz, carbon black, wood flour, cotton linters and cork, or fillers which have been treated with organosilicon compounds.  Compression set additives, oxidation inhibitors, pigments and activators, e.g. metallic selenium, zinc oxide, fatty acids, litharge and magnesium oxide, may also be added. In examples, an elastomer was made by curing a mixture of (1) a vinylmethylsiloxane - dimethylsiloxane copolymer, fume silica, selenium diethyldithiocarbamate and mercaptobenzothiazole; (2) the copolymer of (1) fume silica and tetramethylthiuram disulphide; (3) the composition of (1) without the thiazole; (4) a phenylvinylsiloxanediphenylsiloxane - dimethylsiloxane copolymer and the filler and catalyst of (2), and (6) a methylvinylsiloxane - dimethylsiloxane copolymer, titania and one of several specified curing catalysts; (5) a resinous product was made by curing an allylmethylsiloxane with tetramethylthiuram disulphide.  The resinous and elastomeric products are useful in making electrical insulated gaskets and conduits.  Specifications 751,282 and 781,278 are referred to.
Patent GB-1476354-A (GB)
Title: Composition for making hydrocarbons and fats into biodegra dable emulsions and the preparation thereof
IPC: C09K23/16
Filed: 1974-05-17
Abstract: 1476354 Biodegradable emulsions BANQUE POUR L'EXPANSION INDUSTRIELLE BANEXI 17 May 1974 [22 May 1973] 22002/ 74 Heading B1V [Also in Divisions Cl and C5] A composition for forming hydrocarbons or fats into a biodegradable emulsion comprises an aliphatic amide or its aliphatic carboxylic acid ester, an ammonium salt of an aliphatic carboxylic acid, a phospho-aminolipid and a petroleum solvent free from benzene fractions. The composition may be prepared by reacting an excess of an aliphatic carboxylic acid with p- or s-aliphatic amine or p- or s-aliphatic amino-alcohol, neutralising the mixture with amonia to (pH 7, and adding a phosphoaminolipid and a benzene fraction-free petroleum solvent to the neutralised mixture. The amines may be mono-, diethylamine, mono-, dimethylamine, n-dodecylamine,, isopropylamine, n-butylamine, di-n-butylamine, nmonoamylamine, di-n-amylamine, di-iso-amylamine; the amino alcohols may be mono-, diethanolamine, amino-propanols, amino-butanols; the acids may be acetic, propionic, nbutyric, hexanoic, caprylic, 2-ethylhexanoic, oleic, capric, linoleic, lactic or ricinoleic acid. The phospho-aminolipid may be lecithin.
Patent GB-863664-A (GB)
Title: Improvements in or relating to elastic wave measuring systems
IPC: G01B17/00
Filed: 1959-06-26
Abstract: 863,664. Ultrasonic inspection devices. GENERAL ULTRASONICS CO. June 26, 1959 [June 30, 1958], No. 22017/59. Class 40(7) A system for determining the distance from a reference point outside a body of liquid to the surface thereof comprises a continuous wave- . conductor providing a path for elastic wave energy from the point to the surface and wavereceiving means responsive to the energy passing from the wave-conductor through the liquid in a direction parallel to the liquid surface, the receiving means being a known distance from the conductor in that direction. In the embodiments described pulsed transmissions are used and the time delay between reception and transmission may be measured by the means disclosed in U.S.A. Specification 2,706,906. In one embodiment, Fig. 1, electro-mechanical transducers 10, 12 are fitted to metal rods 11, 13 spaced a distance d apart. Since the velocity of propagation in the rods is substantially constant over a wide temperature range the employment of a relatively small dimension d renders the measurement substantially error-free. In further embodiments the receiving transducer is mounted on the outside of tank wall 15, Fig. 2 (not shown), or is an elongated barium titanate or magnetostrictive rod, Fig. 3 (not shown). In another embodiment two rods each carrying a receiving transducer and spaced d and 2d from the transmission rod are used; rectangular pulses of durations proportional to the respective transit times, T 1  and T 2 , are produced by circuits 26, 26<SP>1</SP> respectively. Units 36, 37 and 36<SP>1</SP>, 30, 37<SP>1</SP> produce output voltages proportional to +2T, and -2T 2  respectively and the resistance network output is proportional to 2T 1 -T 2  which is a measure of liquid level below the ends of the rods and is independent of any variation in dimension d.
Patent GB-715627-A (GB)
Title: Improvements in or connected with apparatus for testing the balance of rotating bodies
IPC: G01M1/22
Filed: 1951-09-20
Abstract: 715,627. Electric balancing systems. AVERY, Ltd., W. & T. (Schenck Maschinenfabrik Ges., C.). Sept. 19, 1952 [Sept. 20, 1951], No. 22036/51. Class 40 (1). The balance testing arrangement described in Specification 642,916 is modified in that the two pick-offs are directly connected to respective coils of a dual wattmeter, the combined torque produced by these coils being opposed by the combined torque produced by a further pair of coils fed through potentiometers from either phase of the two phase generator driven synchronously with the shaft under test, the potentiometers being adjusted as in Specification 642,916 so that out-of-balance measurements made in respect of one preselected " correcting " plane are independent of any out-of-balance in the second " correcting " plane. As shown, the outputs of the pick-offs 6, 6a, associated with the respective bearings 2, 2a of the test shaft 1, feed, directly, the aiding coils 7, 7a, of a wattmeter 9. The wattmeter coils 8, 8a, which oppose the coils 7, 7a are adapted by means of reversing switches 10, 11, 13, 13a to be fed from either phase of the two phase generator 5 driven with the shaft 1, the currents in the two coils 8, 8a being adjustable, relatively, by potentiometers 12, 12a. To set the apparatus, a dynamically balanced standard shaft is used with an unbalance mass placed at one end, e.g. the right hand end thereof in the preselected "correction plane." With the switches positioned as shown, the potentiometer 12 is adjusted until zero reading is obtained on the wattmeter; this adjustment precludes an unbalance in the right hand "correction plane " affecting a reading of an unbalance in the left hand "correction plane." The potentiometer 12a is similarly adjusted to preclude unbalance in the left hand "correction plane affecting unbalance readings in the right hand "correction plane," by replacing the unbalance mass at the left hand end of the standard shaft and moving switches 10, 11 to their other positions. Unbalance measurements may now be effected as described in Specification 642,916.
Patent GB-1205489-A (GB)
Title: Cutter arrangements
Inventor: GUTMAN ISAJ
IPC: B26D1/24
Filed: 1968-05-09
Abstract: 1,205,489. Cutting. ENGLISH NUMBERING MACHINES Ltd., and FLEXICO FRANCE. 1 May, 1969 [9 May, 1968], No. 22075/68. Heading B4B. [Also in Division E2] A cutter arrangement for longitudinally trimming a length of flexible material 9 having a longitudinal bead comprises a cutter head 10 positioned between two guide units 5-6, 7-8 each of which includes a groove 17, 18 for guiding the bead as the material 9 is passed through the arrangement. The cutter head 10 comprises a carbon-compound cutting disc 25, Fig. 3, co-operable with a counter roller 12, and mounted for rotation through a belt 33 by an electric motor 31. A support member 35 is mounted in horizontal 36 and vertical slides, being accurately positionable by screw means with respect to a fixed frame 34. The material 9 is fed by two pairs of rollers 1-2, 3-4, drivable by means including an over-running clutch connection between the pairs to maintain even tensioning. Guiding of the material is achieved by annular bead-engaging grooves 15- 19 around the lower feed rollers 1 and 3, lower guide rollers 5, 7 and a support roller 11, and trimmed-off material 9a is guided away between the counter roller 12 and a further roller 14. For high precision location, static guides may be positioned close to the path of the bead at either side of the cutter head 10, and the arrangement may be combined with an extrusion device for producing e.g. separable fastener elements in the form of trimmed, flattened plastics tube, Fig. 7 (not shown).  In an alternative arrangement (not shown) the grooves may be formed by spaces between co-axial rollers.
Patent GB-773925-A (GB)
Title: Improvements in or relating to lipstick cases
IPC: A45D40/16
Filed: 1955-07-30
Abstract: 773,925. Lipstick holders. BOMPIANI, G. July 30,1955, No. 22084/55. Class 18. [Also in Group V] A lipstick case comprises an envelope B with a lipstick support A movable therein and a coupling member b having an external collar 2 separating sleeve portions one 1, of which frictionally engages a protecting cap a whereby the cap and coupling together form a mould into which melted ingredients may be poured while the other sleeve portion 3 frictionally engages the support A after the lipstick R has set rigid. The collar 2 may be formed by stamping thus producing an internal groove or the collar 2 may be solid. Preferably, a, plurality of internal grooves are provided either in helicoidal form or separate circles or longitudinal indentations and after the lipstick has hardened it will thus remain secure within the coupling b which serves as gripping means for withdrawing the lipstick from the cap a from whose sides it has contracted. A hole may be made in the end of the cap as an air vent. The cap may be formed in two parts with complementary flanges inter-fitting. After the lipstick has set the coupling b may be closed by a disc c which may be transparent. The filled cap a and coupling b constitute a refill.
Patent GB-809240-A (GB)
Title: Improvements in steam generating and superheating plant and an improved method of producing low pressure superheated steam
IPC: F22G7/14
Filed: 1957-07-12
Abstract: 809,240. Water-tube steam boilers; superheaters. BABCOCK & WILCOX Ltd. July 12, 1957 [July 13, 1956], No 22112/57. Classes 123(2) and 123(3) A plant for the superheating of steam from a low pressure source, for example, a nuclear reactor 10, and for the continuation of a supply of superheated steam to the point of use, for example, a steam turbine, when the steam supply from the reactor is discontinued, comprises a steam generating and superheating unit having an upright radiation chamber 88 receiving gases from a cyclone furnace 130 and locating in its upper part pendent superheater sections 116, 117. Behind these superheater sections the chamber has an outlet into a lateral pass 44 locating further pendent superheater sections 118, 78, 74. The cyclone 'furnace 130, its secondary furnace 136 and the lower part of the chamber 88 up to a level 140 are lined with steam generating tubes extending between a header 142 and a steam and water drum 20. In the normal operation of the plant, steam at, for example, 2,400 lbs./sq. in., flows from the drum 20 into a tubulous heat exchanger 16 wherein it comes into indirect heat exchange contact with L.P. steam, at 350 or 600 lbs./sq.in., from the reactor 10. The H.P. steam is condensed, condensate returning to the drum through a line 34, and the L.P. steam partially superheated, flows to a superheater inlet header 40 whence it passes successively through tubes lining the pass 44, the superheater sections 74, 78, tubes lining the walls of the chamber 88 above the level 140 and the superheater sections 116, 117, 118, finally passing from an outlet 122 to a turbine at a temperature of 1100‹F. If the supply of L.P. steam from the reactor 10 is discontinued, the supply of superheated steam to the turbine is maintained by diverting the flow of steam between the drum and the heat exchanger to the superheater inlet header 40, a valve 258 in a by-pass pipe 250 being opened and valves 252, 254 in the heat exchanger steam supply and condensate return lines 18, 34 respectively being closed. Under these circumstances, the pressure of steam leaving the drum is reduced to the normal pressure of steam from the reactor and the turbine continues to receive steam at the same pressure and temperature. Specifications 338,684 [Class 123(ii)] 526,825 and 598,141 are referred to.
Patent GB-258855-A (GB)
Title: Improvements in or relating to locomotives
IPC: B61C9/08
Filed: 1926-09-08
Abstract: 258,855. Maschinenfabrik Augsburg- Nurnberg Akt.-Ges. Sept. 28, 1925, [Convention date]. Railway locomotives, internal-combustion engine and compressed-air.-In a locomotive driven partly by Diesel cylinders and partly by air cylinders all acting directly upon the driving axle, the cylinders with the heavier moving parts are arranged inside those with the lighter moving parts. The compressor for the air cylinders is supplied from any suitable source of power. In the construction shown in Figs. 1 two doubleacting Diesel cylinders Dr, Dl are arranged inside two air cylinders Lr, Ll, and the respective cranks for these cylinders are arranged as shown in Fig. 2. All four cylinders may act as Diesel cylinders on one side of the piston and as air cylinders on the other side. In a modification comprising two Diesel cylinders and one air cylinder, the latter, which has the same volume as the two Diesel cylinders, is arranged between them and the three cranks are placed at 120‹ apart.
Patent GB-964955-A (GB)
Title: Aerosol metering valve construction
IPC: B65D83/14
Filed: 1963-06-04
Abstract: 964,955. Delivering measured quantities of liquid. VALVE CORPORATION OF AMERICA. June 4, 1963 [June 8, 1962], No. 22183/63. Heading B8N. [Also in Divisions F1 and F2] An aerosol valve comprises a valve housing 22 having a valve seat 54 at its upper end which is normally engaged by an enlargement 40 of a valve member 28 under the action of a spring 38. Above the enlargement 40, the valve member is provided with a number of grooves 60 to allow flow through the valve seat when the member 28 is depressed by a button 36. The button 36 has a spray outlet 64 and a portion 50 which engages and squeezes a resilient portion 70, formed with the seat 54 to provide a passage with the grooves 60 when the valve is open. The valve member 28 is also provided at its lower end with a slot 40 forming tines 44, the slot 42 co-operating with a valve seat 30 to shut off the flow to a chamber 26 when the valve is depressed thereby providing a measured quantity discharge. On depressing the button 36, the lower valve 42, 30 first closes, the portion 50 then engages the resilient portion 70 and finally, as the portion 70 yields, the slots 60 pass through the seat 54 to allow discharge. In a modification the portion 50 carries a resilient block which engages a flange 48 of the cover, in this case the valve seat 54 is a disc. In a further modification a resilient disc is located above the valve seat 54 and the portion 50 is extended into the flanged part 48 and seals with this disc when the button is depressed.
Patent GB-584815-A (GB)
Title: Improvements in curing olefine-diolefine copolymers
IPC: C08K5/092
Filed: 1944-11-13
Abstract: The rate of cure of butyl rubber vulcanized by means of a member of the quinone dioxime class of vulcanizing agents for butyl rubber, is reduced by adding to the stock before cure a small amount of an aryl polycarboxylic acid or an anhydride thereof.  The butyl rubber may be made according to the process of Specification 523,248.  The acid may be a benzene polycarboxylic acid such as o-, m-, p-, 3-nitro-, or 4-nitro-phthalic acid, or any phthalic acid in which the phthalic radical is linked to OH, O or NH; or trimesic acid; and the anhydride may be phthalic anhydride or phthalimide, preferably from 0.5 to 5.0 parts of the retarding agent being added to 100 parts of the butyl rubber.  The vulcanizing agent may be p-quinone dioxime or p-quinone benzoate and its action may be modified by the addition of substances from the group consisting of sulphur, and metal oxides such as red lead, lead dioxide and zinc oxide.  Carbon black and stearic acid may also be incorporated.ALSO:The rate of cure of butyl rubber vulcanized by means of a member of the quinone dioxime class of vulcanizing agents for butyl rubber, is reduced by adding to the stock before cure a small amount of an aryl polycarboxylic acid or an anhydride thereof.  The butyl rubber may be made according to the process of Specification 523,248, [Group IV].  The acid may be a benzene polycarboxylic acid such as 0-, m-, p-, 3-nitro-, or 4-nitro-phthalic acid, or any phthalic acid in which the phthalic radical is linked to OH, O, or NH; or trimesic acid; and the anhydride may be phthalic anhydride or phthalimide, preferably from 0.5 to 5.0 parts of the retarding agent being added to 100 parts of the butyl rubber.  The vulcanizing agent may be p. quinone dioxime or p. quinone benzoate and its action may be modified by the addition of substances from the group consisting of sulphur, metal oxides such as red lead, lead dioxide and zinc oxide.  Carbon black and stearic acid may also be incorporated.