baber/WOPTO huggingface dataset:
Patent GB-1288434-A (GB)
IPC: C09K23/00
Filed: 1970-06-25
Abstract: 1288434 Treating textiles FARBENFABRIKEN BAYER AG 25 June 1970 [26 June 1969] 30871/70 Heading DIP [Also in Divisions C2 and C5] Novel compounds of the general formula: wherein R 1  and R 2  which may be the same or different are each an alkyl radical having up to 20 C atoms or a C 3 -C 20  alkenyl radical with the proviso that the total number of C atoms in R 1  and R 2  is at least 12, R 3  is H or -CH 2 OH, R 4  is H, OH, phenyl, an alkyl radical having up to 10 carbon atoms, or a saturated aliphatic radical having a carbon chain interrupted by one or more oxygen atoms, R 5  is H or CH 3 , n is 0 or 1 to 3, X is -SO 3  or -OSO 3  and M is a cation, e.g. an alkali metal, Mg, NH 4 , or substituted NH 4  e.g. triethanolammonium radical, are useful (a) for providing woven fabrics of synthetic fibres with an antistatic finish, (b) as textile lubricants and (c) for mercerising cotton. In (a) the fabric which may for example be a woven fabric of poly-#-caprolactam, polyacrylonitrile, or polyethyleneterephthalate is treated with an aqueous solution of one of the novel compounds and in (b) textile fibres are lubricated by treating them with an aqueous oil emulsion of one of the novel compounds. In (c) the cotton is mercerised by contacting it with an aqueous bath comprising sodium hydroxide and one of the novel compounds as wetting agent.
Patent GB-653227-A (GB)
Title: Improvements in or relating to optical objectives
IPC: G02B13/00
Filed: 1948-11-29
Abstract: 653,227. Optical objectives. COOK, G. H., and TAYLOR, TAYLOR,& HOBSON, Ltd. Nov. 29, 1948, No. 30912. [Class 97 (i)] A corrected objective comprises two members, of which the rear member is convergent with focal length greater than half and less than fourfifths of the equivalent focal length of the whole objective and includes at least one convergent element and at least one divergent element, whilst the front member, whose focal length, whether convergent or divergent is greater than five times the equivalent focal length of the whole objective, consists of a convergent doublet behind a simple convergent component and in front of a simple divergent component, such convergent doublet having a collective internal contact surface concave to the front of radius greater than the equivalent focal length of the objective, the mean refractive index of the material of the front element exceeding that of the rear element thereof, the focal lengths of the two convergent components of the front member each being greater than the focal length of the whole objective and less than twice such focal length, whilst the focal length of the divergent component of the front member is greater than a third and less than three-fifths of such focal length. Numerical data for one example of the lens shown in Fig. 5 are given and also for examples of lenses in which the rear member is a doublet with internal surface concave or convex to the front, for a lens in which the rear doublet of Fig. 5 is replaced by a simple component and one in which the rear member is a triplet. An example is also given in which the contact of the doublet in the front member is broken.
Patent GB-1206479-A (GB)
Title: A potential supply circuit arrangement
Inventor: AVINS JACK
IPC: H03F3/347
Filed: 1967-12-21
Abstract: 1,206,479. Automatic voltage regulation. R.C.A. CORPORATION. Dec.21, 1967 [Dec.27, 1966], No.31115/68. Divided out of 1, 206, 478. Heading G3X. [Also in Division H3] A circuit for connection between a D.C. supply and two loads comprising semiconductor amplifiers and resistors for developing voltages across the loads whose ratio is independent of variations in temperature or supply voltage comprises two shunt circuits across the supply and a semi-conductor device in series with the load: the first shunt circuit comprises two resistors and a second semiconductor device in series; the second shunt circuit comprises the collector-emitter path of a transistor in series with an emitter resistor, the base of the transistor being connected to the junction of the two resistors in the first shunt circuit; each of the above semi-conductor devices is a forwardly biased diode or a transistor in emitter-follower configuration. Fig. 5 shows such a circuit, the series semi-conductor being a diode 106, the first shunt circuit being resistors 96/98 and diode 100, and the second shunt circuit being transistor 90 and resistor 94. The arrangement is shown as feeding a limiting amplifier 10 as in Specification 1,206,478 the whole circuit being constructed in integrated form. The emitter of transistor 90 is connected back via 102 to provide stabilizing feedback to the input of the amplifier, It is shown that the ratio of the voltages at terminals 108 and 102 is one plus the ratio of resistors 96 and 98. Preferably the latter are equal in value so that the voltage at 108 is twice that at 102. For a two-to-one ratio of resistance values the voltage at 108 is three times that at 102. Either or both diodes 100/106 may be replaced by an emitter-follower transistor, Fig.6, (not shown). The circuit can also be used to supply the amplifier of Specification 1,127,801.
Patent GB-745767-A (GB)
Title: Motor generator power system
IPC: H02P7/32
Filed: 1953-11-10
Abstract: 745,767. Exciting dynamo-electric machines. PESTARINI, J. M. Nov. 10, 1954 [Nov. 10, 1953], No. 31163/53. Class 35. [Also in Group XXXVII] One or more, parallel connected cross-flux generators A, C, providing a constant current irrespective of speed, feed one or more crossflux motors E, F, G, which run at constant speed irrespective of load under the control of exciters M, N, S, bucked by a battery 1 to give a critical excitation of control windings 21, 31, 41. Each generator has control windings 2, 5, 6 or 12, 15, 16 on the primary axis a, c and windings 3, 4, 7, 8, 9 or 13, 14, 17, 18, 19 on the secondary axis b, d. The primary brushes are connected in a low resistance circuit including the battery 1, while the secondary brushes may be connected to the load by switch Y1. Field windings 2 and 3 and 12, 13 are connected to produce an E.M.F. opposing the current flowing in them, thus stabilizing the operation of the generator. Windings 4, 5 and 14, 15 provide a constant excitation from the battery 1 through rheostats X1, X2; winding 6, 16 provides a shunt excitation; winding 7, 17 provides partial secondary current armature reaction compensation; windings 8, 9 and 18, 19 are further shunt windings fed from the primary and secondary brushes respectively. The effect of these windings is to cause the generator to supply a fixed current as controlled by rheostat X2 irrespectively of the load voltage or generator speed. The motors are provided with windings 20 and 22 on the secondary axis carrying the load current and secondary current respectively. Primary axis windings 21, 23 are energized respectively by a speed sensitive generator M on the same shaft and bucking the voltage of battery 1, and by the primary current, by which it serves to compensate for armature reaction. Winding 22 may be dispensed with and brushes b, d simply connected together, while winding 20 may be disconnected at Y4 when the motor is up to speed. Several motors may be synchronized by means of three-phase armature connections or by driving separate three-phase generators. If desired, the effect of the speed sensitive generator may be made more marked in regulating the speed by the use of an amplifying generator 5 as shown for machine G. Specification 420,167 is referred to.
Patent GB-643657-A (GB)
Title: Improvements in horticultural frames
IPC: A01G9/16
Filed: 1946-10-22
Abstract: 643,657. Horticultural frames. CYPER SALES, Ltd., and PERKINS, C. H. Oct. 22, 1946, No. 31309. [Class 20(i)] A frame comprises a pair of glazed side panels a of angle-bar adapted to be interconnected by a ridge frame d having pins f engaging slots in the frames a. The frames a are provided with metal protection members along their lower edges directed inwardly of the frame, each protection member comprising strips h, i supported by the inwardly bent ends g of the side members of the frames a and slightly spaced from each other to allow rain-water running down the side panels and collected by the outwardly bent top edges of the strips i to be directed to the soil inside the frame. Holes j are provided in the bottom members of the frames a for the water to pass through. The frames a are also interconnected by braces c and spikes k are provided at the lower ends of the side frame members for insertion into the ground. The ridge frame d may be removed and used separately and the side frames directly connected after removing the braces c by removable pins fitting in hinge members b. The frame thus joined may be used as a relatively tall structure (Fig. 2) or relatively low structure (Fig. 3), the side frames a pivoting about their hinge connection. According to the Provisional Specification the side panels are hingedly interconnected by a central top panel or panels which incorporate the ridge of the structure.
Patent GB-1089956-A (GB)
Title: Improvements in or relating to the disproportionation of olefins
Inventor: HOWMAN ERIC JAMES
IPC: C07C6/04
Filed: 1965-07-23
Abstract: Acyclic olefines are disproportionated in the presence of a catalyst made by impregnating freshly precipitated Al2O3 with an oxide of W or Re, a compound of W or Re decomposable thereto or a carbonyl of Mo or W.  If desired the catalyst may be activated by thermal treatment in an inert and/or oxidizing gas.  Olefines mentioned are C3- 30 alkene, e.g. propylene, butenes-1 and -2, pentenes-1 and -2, hexenes-1, -2 and 3, heptenes-1, -2 and -3 and octenes. An example describes the disproportionation of propylene to ethylene and butene.ALSO:Freshly precipitated Al2O3 gel is impregnated with WO3 or Re2O7, or a precursor therefor, or a carbonyl of Mo or W.  The finished catalyst may be 30-60 B.S.S. particle size and may be used in a fixed or fluidised bed.  The catalyst may be activated by a thermal treatment in an inert and/or oxidising gas.
Patent GB-1343083-A (GB)
Title: Process of producing foamed butadiene polymers
IPC: C08J9/10
Filed: 1971-07-05
Abstract: 1343083 Foamed butadiene polymers FIRESTONE TIRE & RUBBER CO 5 July 1971 [15 July 1970] 31497/71 Heading C3C A process of preparing a thermoset foam resin comprises preparing a mixture of (a) 100 parts by weight of a butadiene polymer having at least 40% by weight of butadiene repeating units therein, having an intrinsic viscosity average molecular weight of 12,500-100,000, at least 50% by weight of the polymer having a molecular weight of at least 10,000 and at least 95% by weight of the polymer having a molecular weight of at least 2000, and at least 60% of the butadiene repeating units therein being of the pendent-vinyl structure (1, 2 configuration), (b) a peroxy compound decomposable in the temperature range being used, the amount of said peroxy compound being molecularly equivalent to 0À5-8 parts by weight of dicumyl peroxide, and (c) a foaming agent generating gas at or above the softening point of the butadiene polymer and having its foaming temperature in the range 80-150‹ C., the amount of said foaming agent being 1-10 parts by weight; and heating said mixture at a temperature in the range 120-215‹ C., said heating temperature being at least as high as the foaming temperature of said foaming agent, for a period of at least 10 seconds. Preferably the foam is cured with a peroxy compound of the formula wherein R is aryl, aralkyl, alkaryl, alkyl (including cycloalkyl of C 1-20 , e.g. dicumyl peroxide. Butadiene homopolymers are preferred butadiene polymers but copolymers of butadiene and other monomers may also be used. Fillers such as silica, asbestos, alumina, mica, feldspar, talc and clay may be also used. The examples make use of polybutadiene and a butadiene- α-methylstyrene copolymer. Foaming agents specified therein are N,N<SP>1</SP>-dimethyl-N,N<SP>1</SP>-dinitrosotetraphthalimide and dinitrosopentamethylenetetramine. In the examples the butadiene polymer may be blended with solvents for compounding and the solvent removed prior to or during the foaming process.
Patent GB-521243-A (GB)
Title: A method and apparatus for heating and annealing, sheet metal
IPC: C21D9/46
Filed: 1938-10-31
Abstract: 521,243. Annealing furnaces. RUHRSTALL AKT.-GES. Oct. 31, 1938, No. 31509. Convention date, Jan 12. [Class 51 (ii)] Heavy gauge sheet metal c to be annealed is suspended verically in a non-continuous furnace b, and when the heating is completed the sheet is withdrawn and immersed, while still suspended in an annealing bath i. The furnace shown has a roof slot to accommodate the suspension devices d, and end doors g on wheeled carriages h. Cover plates may be provided for restricting the slot during the heating-operation. and there may be an annealing-bath at each end of the furnace.
Patent GB-1046641-A (GB)
Title: Improvements in or relating to package-handling equipment
Inventor: MAY DESMOND
IPC: B65G1/137
Filed: 1961-09-01
Abstract: 1,046,641. Handling packages. WHITWORTH GLOSTER AIRCRAFT Ltd. Oct. 22, 1962 [Sept. 1, 1961], No. 31551/61. Heading B8S. In a warehouse articles are kept in a set of shoots 12 and are released therefrom by respective wheels 11. Each wheel 11 is controlled by a cam-plate 13 operated by solenoid 14. The solenoid is included in an electric circuit to which an order signal is given to release a predetermined number of articles. When the signal is received, solenoid 14 operates to pull cam-plate 13 leftwards. This removes stop 16 from the wheel 11 to free it for rotation and at the same time the cam-plate 13 engages the wheel at 17 to give the latter an impulse in the clockwise direction. This causes the article which is resting against surface B to have an upward and forward movement and to be discharged, leaving the wheel turned at a 45 degrees angle. At this moment switch 18 (Fig. 5, not shown), in the electric circuit has been broken by the engagement of the wheel with the arm of switch 18. The cam-plate is now free. Accordingly the next article slides down shoot 12 and delivers a blow to wheel 11 in its 45 degrees position so that the wheel now completes its 90 degrees movement being secured in this position by spring 21 (Fig. 3, not shown). This second 45 degrees movement permits the wheel to engage cam-plate 13 at 19 and thus restore the cam-plate to its original position. The wheel 11 is now back in its original position, being held by stop 16 and the arm of switch 18 has also gone back to its original position as shown in Fig. 5 so that the mechanism is able to operate again if the order signal has -been for a plurality of articles. Wheel 11 also engages arm 23 of counter 20 so that the number of articles discharged is counted and arm 23 is so shaped that it prevents backward movement of wheel 11. The wheels 11 discharge on to an endless belt and all the endless belts discharge on to a common belt which automatically feeds the complete order for articles to the delivery point.
Patent GB-1358856-A (GB)
Title: Electrical switch
IPC: H01H23/16
Filed: 1971-07-06
Abstract: 1358856 Switches held set and freed mechanically PHOEBE SA 6 July 1971 [17 Sept 1970] 31601/71 Addition to 1147714 Heading H1N The rockable contact element of the switch in Specification 1,147,714 is replaced by at least one resilient arm supported in cantilever fashion from the offset central terminal. As shown a resilient lamina 45 provides two arms 47, 48 having respective contact studs 49, 50 normally urged against fixed contacts 18, 19 but held away therefrom when rocker 29, or a sliding member, moves piston 34 to either side of a central recess (44, Fig. 4, not shown) in lamina 45. A (non-rocking) bearing plate 12 may be provided, as shown, or the lamina 45 may be made sufficiently strong to support the piston 34 by itself.
Patent GB-507829-A (GB)
Title: Improvements in wire drawing machines
IPC: B21C1/12
Filed: 1938-11-01
Abstract: 507,829. Reeling wire. RICHARDS, S. H., and LLOYD, H. J. S. H. Nov. 1, 1938, No. 31612. [Class . 120 (ii)] [Also in Group XXII] In a wire-drawing or like machine, in which wire is removably coiled on a rotating drum 14, Fig. 1, a number of drums of varying diameter are adapted to be changeably employed with a common driving gear 7, and each drum is driven by gear wheel 17 meshing with the internal driving gear wheel 7, the relative pitch circle diameters of the gear wheels, Fig. 3, being arranged in conjunction with the drum diameters so that the drums have the same constant peripheral speed. The drums are carried on spindles 13, Fig. 1, mounted with ball-bearings in housings 12 so that they may be quickly attached to the main frame 9 carrying the driving-mechanism.
Patent GB-159680-A (GB)
Title: Improvements in or relating to the axles of motor vehicles
IPC: B60B27/00
Filed: 1919-12-17
Abstract: 159,680. Jones, J. R. Dec. 17, 1919. Axles and axle structures, - Relates to the type of wheel - driving and suspension means in which a sleeve such as 2, surrounding a driving - axle 1, is secured in the fixed axle casing and supports the wheel through the medium of ball or roller bearings 3, and in which the driving-axle is connected to the wheel hub by a conical connecting-member such as 5a keyed on the conical end of the driving-axle. In the present construction the disc 5, which forms the outer portion' of the wheel hub, also carries the conical boss 5a for connecting to the driving-axle. The inner portion of the wheel hub is formed by a flange 7<a> projecting from the casing enclosing the bearings, which is mounted loosely on the sleeve 2. The brake drum 8 may be secured in position by the securing bolts 6 for assembling the wheel. Packing 9, 10 prevents escape of oil from the bearings.
Patent GB-607713-A (GB)
Title: An improved waterborne pedal propelled craft
IPC: B63H16/20
Filed: 1946-11-22
Abstract: 607,713. Manually-propelled craft. WILSON, J. B. Nov. 22, 1946, No. 31673/45. [Class 114] A manually-propelled craft has two hulls 1 supporting between them a pedal-driven mechanism 13 rotating a screw propeller 20. The rider is seated in a seat 5 attached to the hulls by an adjustable connection 6. A shield 8 protects the rider from spray.
Patent GB-1303567-A (GB)
IPC: B60R21/20
Filed: 1971-07-06
Abstract: 1303567 Vehicles; steering wheels DAIMLER-BENZ AG 6 July 1971 [9 July 1970] 31690/71 Headings B7B B7H and B7J A plastically-deformable element 4, covered by a layer 3 of foamed plastics, is provided between a steering wheel 1 and its shaft 2 to reduce the risk of injury in a collision. Additionally, the element 4 contains an air-bag 11 enclosed by a wire mesh enclosure 10 and inflated by the gases from a pyrotechnic charge 6 which is electrically : ignited upon severe vehicle deceleration. The charge 6 may alternatively be disposed outside element 4, between or in the spokes of the wheel or may take the form of a compressed or liquefied gas. A cover 12 is attached to element 4 or enclosure 10 by a flexible strip 13 and swings freely aside on inflation of bag 11.
Patent GB-446755-A (GB)
Title: Process and apparatus for surface hardening metal articles
IPC: C21D1/08
Filed: 1934-11-05
Abstract: 446,755. Surface - hardening metal articles. I. G. FARBENINDUSTRIE AKT.- GES., Frankfort-on-Main, Germany. Nov. 5. 1934, No. 31735. Convention date, Nov. 3, 1933. [Class 72] [See also Group XI] In the surface-hardening of metal articles by means of an autogenous burner, the articles are arranged within the quenching liquid and the heating of the article and the quenching are performed below the surface of the quenching liquid. In one form, the burner D is arranged within a casing which is open at the bottom and the space E of which is filled from a pipe F with oxygen or other suitable gas. The casing may be fixed or movably mounted. In another form, the casing is surrounded by another casing provided with inlet and outlet pipes for the gas and the wall of the casing may be made of transparent material such as selenite.
Patent GB-718587-A (GB)
Title: Improvements in or relating to couplings for pipes, conduits and the like
IPC: F16L37/52
Filed: 1952-12-15
Abstract: 718,587. Pipe joints. DEHN, S. G. (Ames. Co., W. R.). Dec. 15, 1952, No. 31737/52. Class 99 (1). In a ball-and-socket joint the socket has mounted therein for axial movement a U- section gasket 30 and a contractible member such as a garter spring 40 which is normally of slightly smaller diameter than the ball member 20. The mouth of the socket has a converging portion 28 terminating in a radial flange 29. The ball 20 is pushed through the spring ring 40, and fluid pressure in the pipeline moves the gasket over the ball surface forcing the ring 40 towards the. retaining flange 29 whereby the ring 40 is contracted so as to prevent withdrawal of the ball. The gasket is retained in the socket in the other direction by the flared wall 126 or by a number of circumferentially spaced recesses 127 punched in said wall, or by a plain or apertured radial baffle (not shown) secured to the cylindrical socket wall 27. In circumstances. where it is desired to break the joint whilst fluid pressure still exists in the pipe the socket is formed in two portions 415, 425, Fig. 13, secured by interrupted screw threads 416, 424. The gasket has an outer metal reinforcement. 435.
Patent GB-847132-A (GB)
Title: Improvements in telephone systems
Inventor: DELANOY DONALD BRIAN
IPC: H04M19/02
Filed: 1957-10-10
Abstract: 847,132. Automatic exchange systems. PYE Ltd. Oct. 7, 1958 [Oct. 10, 1957], No. 31749/57. Class 40 (4). Alternating ringing potential is applied to the anode of a cold-cathode tube V1 which has its cathode connected to the negative pole of the transmitter-energizing supply battery and its trigger electrode connected to a ringing-pattern generator R.P.G. The tube V1 is normally quiescent but may be caused to fire on each positive excursion of the output of the ringing- pattern generator, thereby applying ringing current to a subscriber's line La, Lb, by the application of a " start " potential over resistor R1 to the trigger electrode. When the called subscriber answers, completion of the loop cuts off the tube V1 and the ringing current.
Patent GB-618364-A (GB)
Title: Improvements in or relating to electron discharge devices
IPC: H01J25/12
Filed: 1946-10-28
Abstract: 618,364. Velocity-modulated tubes. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. Oct. 28, 1946, No. 31887. Convention date, Nov. 12, 1943. Drawings to Specification. [Class 39 (i)] In a velocity-modulated electron discharge device of the reflex type in which the electron beam traverses and then retraverses a cavity resonator, the normal reflector electrode is replaced by a secondary emission electrode, and in front of and close to this electrode is located a grid for causing the secondary electrons to enter the cavity. The resonator is held at a higher D.C. potential than this grid with respect to the cathode.
Patent GB-998187-A (GB)
Title: Improvements in or relating to the production of heat and sound insulating material
IPC: E04F15/08
Filed: 1961-09-05
Abstract: In a method for producing a consolidated mass of heat and sound insulating porous material, exfoliated mineral material such as exfoliated perlite or vermiculite is whirled up in a closed container, the particles being sprayed with a liquified high pressure atomized thermoplastic binder comprising for example bitumen or thermoplastic synthetic resin material, so that such individual particle is coated by a thin film of binder, and a loose flowable material is obtained which after having been brought into the space to be insulated or into a desired shape, is compacted by application of heat and/or pressure.  In the construction of a floor or ceiling, the coated material is spread over the area, is consolidated and is then covered by a layer of paper or cardboard which is covered by a poured layer of hot liquid asphalt mastic, the heat emitted by the hot asphalt serving to soften the binder coatings on the particles of exfoliated mineral so as to bond the particles together.