baber/WOPTO huggingface dataset:
Patent GB-617507-A (GB)
Title: Improvements relating to centrifugal clutches
IPC: F16D43/10
Filed: 1945-10-02
Abstract: 617,507. Centrifugally-operated clutches. GRAVINA, M. Oct. 2, 1945, No. 25608. Convention date, June 27, 1944. Addition to 586,910. [Class 80 (ii)] In a centrifugally-engaged friction clutch of the kind described in the parent Specification, and in which the two co-operating clutch members are engaged by means of at least one fly-weight acting through a spring or springs, the fly-weight acts on an intermediate member through an operating surface so shaped that at high speeds the effect on the fly-weight of the spring reaction becomes small compared with that of centrifugal force. As shown, the intermediate member 12 is slidably splined on the fly-weight carrier 8 and coacts with a rollerended fly-weight 10 through a cam surface 23. A member 14 slidably splined to the driving fly-wheel 17 and having a spring connection 15 with the presser plate 26 coacts with the member 12 through a ball-thrust bearing 13. At full engagement, the fly-weight abuts a push-rod 20 and compresses a spring 21 which alone is effective to return it, since at this point the line of action of the fly-weight is normal to the surface 23. At other operative points, the surface may be so shaped that the axial displacement of the member 12 is everywhere directly proportional to the angular displacement of the fly-weight. Clutch disengaging springs 24 are provided. In Fig. 5 (not shown), the springs 21 are dispensed with, the fly-weight abutting a solid stop when its line of action makes a small angle with the surface 23.
Patent GB-517013-A (GB)
Title: Improvements in or relating to controllable pitch propellers and method of varying the pitch of a propeller
IPC: B64C11/44
Filed: 1938-05-13
Abstract: 517,013. Variable-pitch propellers. TENNANT, W. J. (Aviation Patents, Inc.). May 13, 1938, No. 25668/39. Divided out of 517,018. Drawings to Specification. [Class 114] The devices for adjusting the propeller pitch are similar to those disclosed in Specification 517,018, but light frictional contact on the braking surfaces is obtained by polished surfaces, small -magnetic forces and frictional contacts of short duration.
Patent GB-631718-A (GB)
Title: Improvements in the method of manufacturing the tank and ram assemblies of tipping and tilting gears for vehicle bodies
IPC: B60P1/16
Filed: 1947-09-23
Abstract: 631,718. Liquid storage tanks. EDWARDS BROS. (TIPPERS), Ltd., and COSGROVE, J. Sept. 23, 1947, No. 25826. [Class 69 (i)] In a trunnion mounted tank and ram assembly, for tilting a vehicle body with respect to its chassis, the rams 12, valves 16, 17 and associated components are mounted on a common base-plate 10 forming the base of the tank and, after these components have been subjected to any necessary pressure test, a bent metal sheet 30 forming the top and sides of the tank is secured to the longitudinal edges of the base, the ends of the tank being closed by end plates 27, 28 affixed at their edges to the ends of the base plate and to the end edges of said sheet. The end plates may be either separate, made integrally with certain of the components carried on the base plate or integral with the base plate itself. The sheet 30 is apertured where necessary, i,e. to pass over the ram cylinder 12, prior to being secured to the base. Specifications 394,366, 559,637, 559,767 and 561,383, [all in Group XXXII], are referred to. The Provisional Specification describes also brackets cast on the base plate to carry the pressure release and overload valves, and trunnions, on which the tank is to be pivotally mounted, formed on the end plates.
Patent GB-301060-A (GB)
Title: Improvements in or relating to internal combustion turbines
IPC: F02C5/12
Filed: 1928-09-10
Abstract: 301,060. Holzwarth, H. Nov. 24, 1927, [Convention date]. Working-fluid supply; cooling parts.- In a combustion-product turbine in which the combustion chamber a and associated parts are cooled by water or oil circulated in jackets b, m, k, the steam produced by the waste heat absorbed by the cooling medium is led to other cooling jackets o, t surrounding the passages swept by the combustion products, and is there superheated. Modifications of the arrangement of the steam cooling jackets are described.
Patent GB-150968-A (GB)
Title: Improvements in the manufacture of yeast
IPC: C12N1/18
Filed: 1920-09-11
Abstract: 150,968. Jensen, A. J. M. Sept. 12, 1919, [Convention date]. Yeast.-In a bakers' yeast of consistency corresponding with pressed yeast, the developed yeast cells are surrounded with nutrient material. The mixture of yeast and nutrient material is obtained either by fermenting a dough which is so dry as to yield after fermentation a product of the required consistency, or by fermenting in a thick mash, and removing water after fermentation either by drying or by expressing a part of the liquid. Lactic-acid bacteria may be added to the mash to stop the yeast fermentation and to preserve the yeast during storage.
Patent GB-242614-A (GB)
Title: Improvements in vertical cone mills for grinding dry granular products
IPC: B02C2/10
Filed: 1925-10-21
Abstract: 242,614. Gentrup, J. H. Nov. 5, 1924, [Convention date]. Conical mills. - A vertical conical mil for grinding dry granular product comprises a fixed feeding-funnel 6 with fixed cone 7 at the top of the mill, a rotatable conica smooth outer grind ing-member 3, and a stationary conical smooth inner grind ing-member 1 with its apex at the top the grinding - space between the members diverging upwards and the inner mem ber being adjustable vertically. The outer member 3 is carried by a spider mounted on the vertical shaft 11, which is driven through bevel-gearing 9, 10 from the driving-shaft 15. The inner cone 1 is adjustable vertically by means of the adjusting-device 2. The distributing-cone 7 arranged within the funnel 6 directs the material to be ground through the inlet 8 on to the surface 5 of the inner cone. The ground material falls through the annular space 12 at the lower end of the cones into the outlet funnel 13 and discharge passage 14.
Patent GB-1235067-A (GB)
Title: A paper machine including means to automatically control stock flow
IPC: D21F1/06
Filed: 1969-05-23
Abstract: 1,235,067. Papermaking. BUNKER-RAMO CORP. 23 May, 1969 [27 June, 1968], No. 26342/69. Heading D2A. [Also in Division G3] Changes in variables which may affect basis weight are detected, and the rate of stock flow is charged as a function of the detected charges to maintain basis weight constant. This may be effected by a computer, and a programme is described for the control of a Fourdrinier machine making a two-layer paper. Stock flow and consistency figures for each layer, headbox head and slice opening figures for each headbox, basis weight and moisture content of the finished paper, and the speed of the wire are used to compute an output which controls the process by actuating a valve controlling stock flow to each layer, and, preferably, also adjusting the slice opening and head in each headbox. White water from the vacuum boxes and vacuum couch roll may be collected and recycled for use in diluting the stock, and the paper produced passes through a wet press, over a dryer, and onto a reel. The basis weight may be measured by a #-ray guage, and moisture content by making the paper one branch of a Wheatstone bridge circuit.
Patent GB-518341-A (GB)
Title: Carrier wave signalling systems
IPC: H04N5/16
Filed: 1938-09-09
Abstract: 518,341. Modulating systems ; television. STANDARD TELEPHONES & CABLES, Ltd. Sept. 9, 1938, No. 26381. Convention date, Sept. 25, 1937. [Classes 40 (iii) and 40 (v)] In a carrier wave television signal transmission system in which a carrier wave component representing the average brightness of the image is to be transmitted, the amplitude of the added carrier component is controlled in accordance with the depth of the recurrent maxima or minima of the synchronizing signals. R3, R4, R5, are successive carrier high frequency stages of the transmitter and the stage R5 is modulated by the output of the modulation amplifier V. Modulated high frequency is fed back over the negative feed-back connection B to detector D, and the detected output is applied in a suitable direction (depending upon whether it is desired to measure the crest or the hollow) to a crest voltmeter S. This second detector S supplies a potential, over the continuous current amplifier Z, which varies in accordance with the amplitude of the maxima or minima of the modulation wave, to control the amplitude of the carrier supplied by stage R4 until the maximum desired depth of modulation in the output of R5 is obtained. The amplifier Z which consists of a balanced modulator M, amplifier Z1 and detector Z2 may respond up to a frequency of 6 to 8 kilocycles in which case the passing band of modulation amplifier V should start at 3 or 4 kilocycles.
Patent GB-165430-A (GB)
Title: Improved process of obtaining heat
IPC: F03G7/06
Filed: 1920-09-15
Abstract: 165,430. Metzger, C., and L³etschen, E. June 24, 1920, [Convention date]. Void [Published under Sect. 91 of the Act]. Addition to 149,943. Vapour-engines.-In a fluid-pressure engine of the kind described in the parent Specification, in which the motive fluid moves in an open or closed cycle at its molecular speed, an artificial source of heat is employed, the molecular speed of the motive fluid in this case approximating to the " speed of combustion " of the source of heat.
Patent GB-471347-A (GB)
Title: Improvements in or relating to holders for flags, mascots, badges and other devices on motor vehicles
IPC: B60R13/00
Filed: 1936-09-29
Abstract: 471,347. Attaching mascots, flags, and labels to vehicles. STADIUM, Ltd., and SEYMOUR, L. Sept. 29, 1936, No. 26434. [Classes 73, 93, and 132 (iii)] A device for attaching mascots, flags, badges, and licences to vehicles comprises a plate 12 provided with one or two tongues 13 for clamping between the bonnet 14 and the recessed flange 15 on the radiator protecting shell 16 or on the scuttle at the rear end of the bonnet. The bottom edge 17 of the plate 12 is curved so that the tongues 13 are at an angle to each other and the tongues 13 are capable of some flexure as by connecting them to the plate 12 only partly along their length at 18, so that they can adapt themselves to the curvatures of the parts of different vehicles. The construction is such that the device does not engage the upper surface of the bonnet. The tongues may be formed with projections to assist their security of mounting. In the construction shown in Figs. 1 and 3, the flag-holding rod 10 may be secured to the plate 12 as by clamping between turned over lugs or by the provision of a screwed joint, or by bolting. In the construction shown in Fig. 2, the badge 19 is integral with the plate 12 or may be attached to the plate 12 by bolts 20. Fig. 4 shows part of the tongue 13 covered with a rubber, cork, or felt ring 22, to assist clamping. More than one flag may be supported by forming flag holding sockets integral with the plate 12, or by using a Y- shaped member 25 formed with fiag-holding sockets 26 and with a socket 27 embracing a flag-holding socket on the plate 12. U.S.A. Specification 1,995,574 is referred to.
Patent GB-245417-A (GB)
Title: Improvements in apparatus for subcutaneous injections of oxygen
IPC: A61M5/00
Filed: 1925-10-22
Abstract: 245,417. Fialip, R. J. M. Dec. 30, 1924, [Convention date]. Air, gas, and like injectors, - For administering subcutaneous injections of oxygen, a bottle 1 containing oxygengenerating reagents, a washing bottle 7, a receiver 8, consisting of a very thin bag such as a child's balloon, the needle 9, and the necessary tubing are grouped in a single receptacle. The reagents used are hydrogen peroxide and potassium permanganate; stopcocks 3, 5 are placed in the connecting tube, on each side of the mouth of the bag S. The box may also contain receptacles for accessories e.g. needle, permanganate tablet, spare bag, alcohol, and cotton.
Patent GB-728162-A (GB)
Title: Improvements in and relating to fishing reels
IPC: A01K89/01
Filed: 1952-10-21
Abstract: 728,162. Fishing-reels. MILLARD BROS., Ltd., and MILLARD, D. W. Oct. 20, 1953 [Oct. 21, 1952], No. 26457/52. Class 48. A fishing reel includes a spool rotatable on a support and carries in engagement with a ratchet wheel 6 carried by said support a pawl 8 pivotally mounted on a stud 10 secured to the spool and extending through a slot 9, e.g. of keyhole form in the pawl 8 and a spring having a portion 12 engaging the stud and free end portions 15 engaging parts of the pawl, so as to retain the pawl on the stud and urge it into operative engagement with the ratchet wheel. The spring has a central U-shaped portion 12 with laterally extending arms 13 merging into reversely bent portions 14 having free ends 15 to engage in notches 11 on opposite sides of the pawl. The stud 10 may be adjustably mounted in an L- or like shaped recess in the spool to disengage the pawl from the wheel when the line is being cast.
Patent GB-283826-A (GB)
Title: Improvements relating to a new or improved stop for preventing doors from banging
IPC: E05F5/10
Filed: 1927-10-07
Abstract: 283,826. Stafford, C. Oct., 7, 1927. Stops.-In a door stop of the kind comprising a cylinder, a piston within the cylinder and a projecting piston rod for receiving the impact of the door, a spring being located behind the piston within the cylinder, the valve for regulating the escape of air to and from the cylinder is made in the form of an adjustable pin valve 12, 13. The buffer 8 is mounted on the end of the piston rod 7, and the inward movement of the piston 9 compresses the spring 10. The cylinder 1 is secured in position by a bracket 2.
Patent GB-954984-A (GB)
Title: Basically substituted amides and a process for preparing them
IPC: C07C233/34
Filed: 1960-07-29
Abstract: The invention comprises compounds of the formula: <FORM:0954984/C2/1> (wherein R is an a , b -unsaturated aliphatic group with 4 to 9 carbon atoms which may contain further double linkages or an aromatic group, or a furyl or thienyl radical or an a , b -unsaturated aralkenyl group; R1 is an alkyl radical of 1 to 4 carbon atoms; R2 is a hydroxy group or an alkoxy group of 1 to 4 carbon atoms; A is an alkylene radical of 2 to 4 carbon atoms; and R3 and R4 are alkyl radicals each containing 1 to 4 carbon atoms or -NR3R4 is a 5- or 6-membered saturated heterocyclic ring which may contain an oxygen atom) and their acid-addition salts; and their preparation by reacting the appropriate acid R.COOH or a reactive funtional derivative thereof with the appropriate amine. The radical R may contain halogen atoms or hydroxy, acyloxy or alkoxy groups as substituents. Examples are given and a list of salt-forming organic and inorganic acids is provided.  2-(m-methoxyphenyl) -2- dimethylaminopropylbutylamine is prepared by condensing 2-(m-methoxyphenyl)-butyronitrile with 2-chloro-1-dimethylaminopropane to give 2-(m-methoxyphenyl) -2- (dimethylaminopropyl)-butyronitrile and then reducing this.  These products are mixtures of the 1-dimethylamino-propyl-(2) and 2-dimethylamino-propyl-(1) isomers.  The amides of the invention, which are stated to be analgesics, may be made up into pharmaceutical compositions with suitable carriers. These may take the form of solutions, tablets, dragees, capsules, drops, suppositories or suspensions, and may contain wetting agents, emulsifiers or stabilizers.
Patent GB-535024-A (GB)
Title: Process for the separation of hexamethyleneimine from admixture with other substances
IPC: C07D295/023
Filed: 1939-09-25
Abstract: 535,024. Hexamethyleneimine. DU PONT DE NEMOURS & CO., E.  I. Sept. 25, 1939, No. 26598. Convention date, Sept. 29, 1938. [Class 2 (iii)] Hexamethyleneimine is separated from admixture with water and other materials, especially from admixture with water and hexamethylenediamine by distillation of the mixture to produce an azeotropic mixture of water and hexamethyleneimine and then recovering the hexamethyleneimine therefrom. This separation is preferably carried out by heating the distillate to a temperature below its boiling point but sufficiently elevated to cause a separation of the azeotropic mixture into two layers, and separation of the upper layer of hexamethyleneimine containing a small amount of water. This mixture is then distillated to remove the remainder of the water leaving a residue of hexamethyleneimine. The preferred starting materials are a mixture of hexamethyleneimine and hexamethylenediamine prepared by catalytic hydrogenation of adiponitrile. In examples (1) the product of the hydrogenation of adiponitrile is fractionally distilled to remove a first fraction of ammonia and water on intermediate fraction of a hexamethyleneimine water binary and a fraction of pure water. The hexamethyleneimine is recovered from the binary mixture by adding caustic soda which causes a separation into two layers, and separating the upper layer of hexamethyleneimine ; (2) a binary mixture of hexamethyleneimine and water is heated to 80‹-90‹C. whereupon it separates into two layers. The upper layer which is rich in hexamethyleneimine is then fractionally distilled. If sufficient water to form the necessary binary mixture is not originally present, an addition of unity is made before the distillation. Specification 490,922 is referred to.
Patent GB-959324-A (GB)
Title: Improvements in thermally actuated cycling switch
Inventor: HILD HENRY FRANK
IPC: H01H37/66
Filed: 1961-07-21
Abstract: 959,324. Thermal switches; cam-operated switches. ROBERTSHAW-FULTON CONTROLS CO. July 21, 1961, No. 26617/61. Heading H2B. A cycling switch comprises a pivoted bimetal 63 with an offset portion 70 engaging on elongated slot 86 in the free end of a resilient switch contact-carrying arm 88, a heating coil surrounding the bimetal which latter is secured at its pivot 34 to a compensating bimetal 62, means for adjusting the initial position of the pivoting bimetal assembly via an abutment member 56, and a permanent magnet 102 and armature 92 providing snap opening and closing of switch contacts 94, 96. A control cam 32 is rotatable by hand in either direction to alter the position of an adjusting member 50, spring-biased towards a cam surface 42, and thus to adjust abutment member 56. A second cam surface 110 actuates a resilient contact arm 112 between switch contacts 120, 122 and a pilot light contact 124. Contact pairs 94, 96 and 120, 122 are in circuit respectively on either side of a power source supplying energy to a controlled heating element (not shown), and the bimetal heating coil is connected across the controlled heating element to contacts 94, 122 by leads 84. In an embodiment the actuating bimetal 63 moves an arm a short distance to strike the switch contact-carrying arm, thereby breaking contact welds (Figs. 7, 8, not shown).
Patent GB-602051-A (GB)
Title: Improvements in side bars for moving grate stokers having side grids of the self sealing type
IPC: F23H17/00
Filed: 1945-10-12
Abstract: 602,051. Travelling grates. HODGKINSON (SALFORD), Ltd., J., and FELSNER, O. Oct. 12, 1945, No. 26687. [Class 51(i)] The side bar A of a moving grate stoker is of T-section, the leg a of the T being arranged horizontally to support the side grids B which fill the gap between the side bar and the flue tube D. The top of the bar A is overhung and radiused at a3 to engage radiused parts bl of the side grids. The lower edges of the grids B are similarly curved at b<2>, the rounded formations allowing the side grids to swivel around the curve a<3> until the outer edges b4 contact with the flue tube D. The side grids have end flanges B<1> which ensure tightness between adjacent grids even if they are out of line. Spurs c, preferably integral with strengthening ribs C, engage the leg a and prevent the grids from dropping too far and from being dislodged by the poker during clinkering. For corrugated flues, the edge b<4> is correspondingly shaped.
Patent GB-1520115-A (GB)
Title: Azido-silane compositions
IPC: C03C25/10
Filed: 1975-06-25
Abstract: 1520115 Azido silane sizing agents UNION CARBIDE CORP 25 June 1975 [26 June 1974] 26887/75 Heading B2E [Also in Divisions B5, Cl, C2, C3 and Dl] Metal, metal oxide, silicones and polymeric substrates are sized with an azidosilane obtained by reaction, in sufficient solvent to dissolve the product, of an azidocarboxylic acid (N 3 X) a -Ar-(R) n -COOH, or an ammonium salt thereof, where X is -SO 2 - or -COO-, Ar is an aromatic hydrocarbon or hydroxy-aromatic group, R is an alkylene group, a is 1 or 2 and n is 0 or 1, with an amino-silane R<SP>1</SP> Si (R<SP>2</SP>) b  Y 3-b , where R<SP>1</SP> is an organic group bound to Si by an Si-C link and containing at least one N atom, R<SP>2</SP> is a monovalent hydrocarbon group, Y is an alkoxy or aryloxy group, and b is 0; 1 or 2. In Examples 1-10, 16, 18, 26 and 32 the silanes H 2 N-H 2 CH 2 CH 2 - Si (OEt) 3 , H 2 N - CH 2  CH 2  - NH - CH 2  CH 2  CH 2  - Si (OMe) 3 , and a polyazamide from ethylene diamine and glycidoxypropyl trimethoxysilane in water, ethanol or acetone, are mixed with 3 - azidosulphonyl-benzoic acid or its ammonium salt, or with 3:5-di- (azidosulphonyl)-benzoic or -salicylic acid. In Examples 10-20 eleven plies of glass fibre fabric are treated with the solutions obtained, dried, and laminated with twelve films of polyethylene, polypropylene, polyacetal, polycarbonate, polystyrene, or P.V.C.; in Examples 21-25 glass fibres so treated are mixed in 30:70 weight ratio with polypropylene, polyethylene, or nylon 6 to give injection moulding compositions; in Examples 26-32 talc, wollastonite, feldspar or silica so treated is used in 50:50 weight ratio in polypropylene or nylon 6 injection moulding compositions.
Patent GB-783026-A (GB)
Title: Improvements in or relating to chairs and the like
IPC: A47C7/52
Filed: 1955-09-20
Abstract: 783,026. Leg rests. HOSSMAN, P. Sept. 20, 1955 [Sept. 20, 1954], No. 26905/55. Class 52(2) A leg rest extension for collapsible chairs has two side-frame members 1 interconnected by rods over which a fabric covering 2 is stretched and metallic rails 3 with longitudinal slots 4 are secured to members 1 by screws and washers 5, the rails having notches 6 to engage pins or screws on the chair.
Patent GB-658946-A (GB)
Title: Improvements relating to magnet systems
Inventor: KING ARTHUR JOHN
IPC: G01R33/12
Filed: 1949-10-21
Abstract: 658,946. Magnets. METROPOLITANVICKERS ELECTRICAL CO., Ltd. Oct. 21, 1949, No. 27138. [Class 35] [Also in Group XXXVI] A magnetic system for providing a variable and reversible magnetic flux comprises a magnetic yoke 1 having surfaces 2 defining a part-cylindrical gap in which is located a rotatable magnet 3 with soft iron pole shoes 4 which are so dimensioned that they always overlap one or both surfaces 2 for at least half their area, so that as the magnet is rotated the flux in the yoke varies smoothly from a maximum to a minimum, reverses and increases to a maximum again. As shown applied to a permeameter, the specimen 7 under test bridges the yoke and the field strength measured by a magnetometer 9 while the change of flux in the specimen is measured by a fluxmeter 10 fed from a winding 11 on the specimen 7. The magnetic system may also be applied to a mass spectrometer.