baber/WOPTO huggingface dataset:
Patent GB-229193-A (GB)
Title: Improvements in apparatus for the manufacture of electric cables
IPC: H01B13/30
Filed: 1924-07-25
Abstract: 229,193. Brown, A. G. July 25, 1924. Coating-machines.-Drums containing electric cables ready for impregnating, are mounted on a four-wheeled truck 3, Fig. 1, running on rails 5, the cable resting on longitudinal rollers 7. The truck is then run into the treatment chamber 1 and the cable drum rotated as desired during treatment by rotating the rollers 7 from outside the chamber. Fig. 4 shows a modified arrangement for dealing simultaneously with a number of small drums. The small drums are mounted on the shafts 17 locked to the frames 13 which can be rotated with the shaft 14 from outside the chamber. When the truck is outside the chamber the shaft 14 can be revolved by hand-gear 16.
Patent GB-346221-A (GB)
Title: Process for the manufacture of acrolein
IPC: C07C45/52
Filed: 1930-06-10
Abstract: Acrolein is obtained by passing glycerol vapours at high temperatures, e.g. above 300 DEG  C., over salts of acids which are higher than dibasic, or mixtures thereof.  These salts may be distributed in metal tubes on carrier substances such as pumice, the impregnation of the carrier being effected by precipitation when necessary.  By distillation from the receiver through a dephlegmator, pure acrolein is obtained, even when aqueous glycerol, e.g. 50 per cent glycerol, is sued as the starting material.  In the examples, (1) pumice is impregnated with 1 per cent of normal lithium phosphate, dried, and introduced into a glass tube which is heated in an electric furnace to 400-420 DEG  C. The product is fractionally distilled to yield acrolein.  (2) Copper phosphate is employed at 425-430 DEG  C.  Further example of suitable catalysts, with their optimum temperatures, are bismuth phosphate (400 DEG  C.), silver phosphate (400-410 DEG  C.), ferric phosphate (390-410 DEG  C.), and magnesium borate (500 DEG  C.).
Patent GB-1460563-A (GB)
Title: Electric switch
IPC: H01H13/12
Filed: 1975-04-29
Abstract: 1460563 Switch contacts E MARQUARDT J MARQUARDT H MARQUARDT and E MARQUARDT [trading as J & J MARQUARDT] 29 April 1975 [13 May 1974] 17864/75 Heading H1N In an electric switch at least two fixed contacts 16, 18, Fig. 1, are bridged by pivotally connected U-shaped leaf springs 9, 10 having their loop central portions 7, 8 seated in recesses 5, 6 of the housing 1. The contacts 9, 10 are moved by an actuator 26 having projections 28 engageable with the interconnected arms 13 and rendered retractive by a coil spring 32. The ends 20 of the arms 13 have tooth formations 23, 24, Fig. 2, of identical form for interengagement at the pivot point. A pair of abutments may engage the contact arm 12 in the actuated position or a further pair of fixed contacts 17, 19 may be provided.
Patent GB-571449-A (GB)
Title: Improvements relating to circular saws
IPC: A61F15/02
Filed: 1943-10-29
Abstract: 571,449. Circular saws. BRITISH THOMSON-HOUSTON CO., Ltd., and WOODFIELD, T. H. Oct. 29, 1943, No. 17878. [Class 145 (ii)] [Also in Group VI] A circular saw of the kind in which a guard 9 is fixed to the housing 7 of the saw and extends beneath it to prevent accidental injury to anything beneath the material 10 being sawn, is constructed with skids or rollers 8 positioned in front of and behind the normally vertical central line of the saw, and biassed towards the guard so as to bear on the material being sawn and absorb the reaction of the saw when it engages the material. The invention is described as applied to a saw as set forth in Specification 562,476, and the rollers 8 are mounted freely on spindles 4 carried by a frame formed of triangular members 1, 2 secured by a pillar 3. The members 1, 2 are formed with U-shaped slots 5 for fitting over the handles 6, and the reactions which would occur when the saw meets or leaves the material 10 are absorbed by springs 11 connected to the members 1, 2 by a rod 13 and to the housing 7 of the saw by screws 12. Specification 542,749 is referred to.
Patent GB-1456937-A (GB)
Title: Wall construction
IPC: E02D37/00
Filed: 1974-04-24
Abstract: 1456937 Pile walls; boring earth &c DRESSER INDUSTRIES Inc 24 April 1974 [14 May 1973] 17980/74 Headings E1F and E1H A wall is formed within a dam 10 by boring a first hole 11 in the dam, and lining it with a destructible casing 13 having an axial passage. A second hole 14 is bored partially overlapping the axial passage and a liquid is maintained in the first and second holes during the boring. The second hole is lined with a casing and the first hole is filled with a wall forming material. The wall, is completed by boring, lining and filling in similar fashion a plurality of overlapping holes. As the second hole progresses torpedo 16 of the boring machine 21 travels along the inside of casing 13 guiding the bit 20 along its downward path.
Patent GB-1499147-A (GB)
Title: Azo dyestuffs
IPC: C09B33/22
Filed: 1975-04-30
Abstract: 1499147 Disazo and trisazo dyestuffs IMPERIAL CHEMICAL INDUSTRIES Ltd 5 March 1976 [30 April 1975] 18012/75 Heading C4P The invention comprises azo dyestuffs which in the acid form have the formula in which Z is the residue of an aminonaphthol sulphonic acid capable of coupling with two moles of diazo components; A is an aromatic radical which contains at least one phosphonic acid group, and A 1  is an aromatic radical which is free from phosphonic acid groups and also from arylazo groups if ortho to the OH group of Z, and which contains a sulphonic or carboxylic acid group if ortho to the NH 2  group of Z. Preferred compounds (1) have the formula wherein one of X 1  and X 2  is H and the other is SO 3 H, and A is a sulphonated aryl radical, preferably of the formula C 2  + 4qH 3  + 2q - r(SO 3 H)r when q is 1 or 2 and r is an integer of from 1 to (q + 1). The compounds of Formula (1) may be prepared by coupling an aminonaphthol sulphonic acid which is capable of coupling twice, first under acid conditions with the diazonium salt from an aromatic amine which contains either a phosphonic acid, carboxylic acid or sulphonic acid group, and secondly at a higher pH with the diazonium salt from an aromatic amine which is free from arylazo groups, which contains a phosphonic acid group if the first diazonium salt does not, and which is free from phosphonic acid groups if the first diazonium salt contains a phosphonic acid group. The dyestuffs of Formula (I) give blue, blue-green, red and black hues with natural and synthetic polyamides, e.g. wool, silk, and nylon and natural and regenerated cellulose, e.g. cotton, linen and viscose rayon optionally admixed with a polyester.
Patent GB-1299460-A (GB)
Title: Improvements in compound carburettors for internal combustion engines
IPC: F02M11/10
Filed: 1970-04-16
Abstract: 1299460 Carburetters SOC INDUSTRIELLE DE BREVETS ET D'ETUDES 16 April 1970 [18 April 1969] 18178/70 Heading F1B In a carburetter having primary and secondary passages 1, 2 associated with a common float chamber 7, the primary passage has main, idling and progression jets 26, 32, 34 and a manuallycontrolled throttle valve 3, and the secondary passage has main and progression jets 27, 37 and a throttle valve 4 which, via mechanical or pneumatic means, is arranged to commence opening after the primary throttle valve. On opening of secondary throttle valve 4, the progression jet 37 initially receives rich mixture via siphon conduits 35, 36 receiving air from orifice 41 and fuel from a well 38. However, after the fuel level in well 38 has fallen to the level of inlet orifice 40, the fuel delivered to the conduit 35 is already mixed with air received through orifice 39, and is further diluted in conduit 36 by air from the orifice 41 before passing through jet 37.
Patent GB-1165100-A (GB)
Title: Electrical Components having Terminal Connecting Portions for Insertion in Mounting Boards
IPC: H01L23/488
Filed: 1968-04-17
Abstract: 1,165,100. Component terminals. SIEMENS A.G. 17 April, 1968 [28 April, 1967], No. 18199/68. Heading H2E. [Also in Division H1] An electrical component, e.g. a selenium bridge rectifier, has its contact plates (4), (5) provided with strip form connecting lugs 4a, (5a) for insertion into holes 9 in circuit board 8, the lugs having obtuse angled projections 4b such that when mounted the distance d is less than D to ensure that the component is firmly held during soldering. In Fig. 5 (not shown) the projections face away from each other so that (d<SP>1</SP>) is greater than (D<SP>1</SP>).
Patent GB-252926-A (GB)
Title: Improvements in or relating to machines for drawing warp threads through loom reeds
IPC: D03J1/14
Filed: 1925-07-16
Abstract: 252,926. Fleischer, S. S. C., and Fredholm, J. K. E. July 16, 1925. Reeds, threading.-In a machine for threading loom reeds of the kind having an oscillatorv hooked disc slidable along a shaft and adapted to progress automatically from dent to dent of the reed 17, stops are provided for limiting the motion of the disc 15, 16 in its end positions, means being also provided for holding the disc in a third position in which it is free to slide along its shaft in the direction of the reed to correct any faults. The shaft 6 carries a projection 11 adapted to engage a stop 12 in one direction and a step 13 in a spring-controlled lever 20 in its other end position. By depressing the lever 20. the projection 11 engages a second step 21 in the lever 20, thereby holding the disc in a position in which it is free of the dents, so that it can be moved along the shaft 6.
Patent GB-1038355-A (GB)
Title: Process of making polyurethane thread
IPC: D01F6/72
Filed: 1964-05-01
Abstract: A blend of a urethane prepolymer and a slow-reacting urethane curing agent is extruded in filamentary form into an aqueous bath containing a fast-reacting urethane curing agent to produce filaments having a cured surface layer and an incompletely cured core.  The filaments are then removed from the bath and heated to cause the slow-reacting curing agent to complete the curing of the interior of the filament. The prepolymer may be an isocyanate-terminated polyester, polythioester, polyether, polythioether or hydrocarbon chain.  Many diisocyanates and polyesters are specified.  Exemplified prepolymers are isocyanate-terminated adipic acid esters of ethylene glycol/propylene glycol and 1,4-butane diol/1,2-butane diol of mol. wt. 4000-5000.  The slow-reacting curing agent is defined as a polyol, a polyol-substituted amine or an aromatic amine.  Among many specified, are recinoleyl alcohol, castor oil, trimethylolpropane triisopropanolamine, and N,N,N1,N1 - tetrakis - (2 - hydroxypropyl) ethylene diamine.  The ratio of isocyanate to the active hydrogen of the curing agent in the blend is desirably 0.8: 1 to 2.0: 1.  The blend may be a liquid or a solid, in which case it is extruded as a solution.  The fast-reacting curing agent is defined as an amine having at least two primary amino groups and soluble to at least 5% by weight in water.  The preferred fast-reacting curing agents, among the many specified, are ethylene diamine, propylene diamine, and hexamethylene diamine.  After removal from the aqueous bath, the filaments are cured on the outside and may be plastic or fluid in the core. Curing may be completed by heating at e.g. 250-350 DEG  F. for 0.5-3 hours.
Patent GB-942810-A (GB)
Title: Improvements in or relating to a process for the sensitisation of photoconductors
IPC: G03G5/09
Filed: 1960-05-24
Abstract: Photoconductive resinous compositions comprise an organic non-polymeric photoconductor, capable of acting as an electron donor, a resin and an electron-accepting organic substance which is colourless or of pale colour, has a molecular weight of 50-5000 and has a melting point above room temperature; a sensitising dye-stuff may also be present.  The photoconductor is preferably an aromatic or heterocyclic substance such as naphthalene, anthracene, benzanthrene, chrysene, diphenylanthracene, terphenyl, quaterphenyl, sexiphenyl, N-alkyl-carbazole, phenthiazine or a compound of Specifications 836,148, 836,151, 838,245, 851,218, 853,880, 874,437, 874,634, 895,001, 930,988, 938,434, 940,531, 940,573, 940,873, 940,874 and 947,488. The electron-accepting substance can be an aliphatic, aromatic or heterocyclic compound containing a strongly polar group such as cyano, nitro, halogen, keto, quinone, carboxylic acid, ester or anhydride.  The resin may be a polymer of indene, coumarone, vinyl chloride, vinylidene chloride, a vinyl ether, vinyl acetate, a vinyl acetal, isobutylene or an acrylic or methacrylic ester.
Patent GB-1343233-A (GB)
Title: Printers
IPC: B41J2/285
Filed: 1972-04-20
Abstract: 1343233 Selective printing NIXDORF COMPUTER AG 20 April 1972 [21 April 1971] 18335/72 Heading B6F [Also in Division H1] Each wire 5 in a wire mosaic printer is actuated by an electromagnet comprising a coil 1 formed on two magnetic pole members 2, 3, the wire being fixed to an armature 4, the poles 2, 3, being separated by a magnetically non-conductive electrically conductive ring 8 to act as an eddy current generator. The armature moves between stop members 7, 12 both of which are adjustable, the stop 7 being formed of impact damping material. A spring 6 biases the armature away from rest position. The ring 8 may be of copper.
Patent GB-1101164-A (GB)
Title: Polymers of styrene
IPC: C09D191/00
Filed: 1965-04-30
Abstract: Styrene polymers which contain at least 40% of styrene and which are soluble in aliphatic or cycloaliphatic hydrocarbon solvents are produced by heating, in the absence of water, styrene with optionally one or more olefinically unsaturated aliphatic or cycloaliphatic compounds and aromatic compounds with olefinically unsaturated side chains, to a temperature between the boiling point of the reaction mixture and a temperature less by 30 DEG  C., in the presence of a catalyst which is an acid, a salt of a strong acid and a weak base or an organic peroxide.  The polymer may be derived from styrene and a terpene, e.g. essence of turpentine or essence of resinous woods, vinyl toluene, a -methyl styrenes or methyl methacrylate.  The catalyst may be aluminium or ferric chloride, benzoyl peroxide, cumene hydroperoxide, sulphuric or oxalic acid, copper or aluminium sulphate or an absorbent earth containing one of the foregoing.  The polymer may also contain maleic, fumaric or itaconic acids or anhydrides. The polymerization may be carried out in white spirit.  A solution of the polymer in a mixture of white spirit and essence of turpentine may be used as a siccative binder for paints.
Patent GB-381184-A (GB)
Title: Improvements in grain drying, conditioning and like machines
IPC: F26B17/16
Filed: 1931-06-25
Abstract: 381,184. Conditioning grain. SIMON, Ltd., H. and LEDGER, C., Cheadle Heath, Cheshire. June 25, 1931, No. 18368. [Class 58.] Radiators for grain drying, conditioning, or like machines are built up from a number of sections each of which is wedge-shaped at its upper and lower ends to facilitate the downward flow of grain and is formed of parts welded together, which sections are interconnected by passages welded thereto at the sides thereof so as not to interfere with the grain flow. The sections A of the radiator comprise sheet steel pressings a, b welded together at their edges, Figs. 4 and 6, or to a perforated plate o, Fig. 10, the sections being stiffened as shown. Each section has diagonally opposed, triangular, cut-away portions for inlet and outlet of heating fluid, strips c of V-shape and flat strips d being welded to adjacent sides of the sections to provide passages for the heating fluid. Extending half-way through the radiator are plates g, g<1> welded to the plates d dividing the passages for the heating fluid, whereby part of the latter may be introduced to and part withdrawn from the radiator, at its middle.
Patent GB-1081882-A (GB)
Title: Stranding machine for the production of multilayer cables or ropes in a plurality of operations
IPC: H01B13/02
Filed: 1965-04-30
Abstract: 1,081,882. Ropes and cables. BETEILIGUNG SUND PATENTVERWALTUNGS G.M.B.H. April 30, 1965 [May 2, 1964], No. 18372/65. Heading D1T. A multi-layer rope or cable stranding machine passes the rope or cable in one direction for one stranding operation and in the reverse direction for the next stranding operation, and so on, characterised in that the rope or cable rotates about its axis and that the stranding elements are supplied from stationary delivery spools mounted laterally with respect to the axis of the machine and in a manner permitting the stranding elements to be run off irrespective of the direction of motion of the cable or rope. Fig. 3 shows a tubular spool frame 1 carrying a plurality of spool mountings 3. When the rope or cable 4 passes from left to right the stranding elements follow the paths indicated in full lines and pass through the lay plate 24. When the rope or cable 4 passes from right to left the stranding elements follow the paths indicated in broken lines and pass through the other lay plate 24. The frames 1 are stationary during a stranding operation but the drive means 6 to 10 can be used to cause a step-bystep rotation of the frames, to facilitate changing of the spools as and when necessary. Fig. 4 (not shown) illustrates how each spool (19) is supported on two trunnions (14, 18). Trunnion (14) has a brake drum fitted with a brake (22) and dynamometer (23). Trunnion (18) includes a releasable locking device whereby it can either extend into the spool or be withdrawn therefrom. Fig. 10 (not shown) shows a series of turntables (S) disposed in a horizontal plane on each side of the cable being stranded. Each turntable can carry one or more spools and the turntables can be adjusted to direct their stranding elements to either of the two lay plates at each end of the machine. Capstans. The apparatus includes endless chain type capstans (Fig. 7) (not shown), the cable passing between opposed pairs of said endless chains. Adjustable presser bars (38) press the chains (35) against the cable (4). Spool Carriers. The spool carriers may be ranged for reverse rotation. In Fig. 11 (not shown) the spool carrier (113) can be rotated reversely on its turntable by a worm drive (117, 118) on the main drive shaft (103), a transverse shaft (119), bevel wheels (120, 121, 122) and a shaft (123), mounted on the turntable. The bevel wheels ensure mechanical coupling of all the parts regardless of the position of the turntable. To provide for gradual reverse rotation of the spool carriers, for example during the stranding of pre-shaped sector conductors, overriding motors (124) are fitted to the shafts (119).
Patent GB-1435038-A (GB)
Title: Electrical connectors
IPC: H01R13/11
Filed: 1974-04-26
Abstract: 1435038 Two-part couplings ILLINOIS TOOL WORKS Inc 26 April 1974 [2 May 1973] 18445/74 Heading H2E A socket contact comprises at least one ferrule with a polygonal bore therethrough and resilient beams extending longitudinally from the ferrule, each beam defining an extension of a corner of the polygonal bore and being twisted along at least part of its length thus being angularly displaced from the corners of the ferrule. The contact 14 shown comprises a front ferrule 22 and a rear ferrule 24 both of square cross-section and interconnected by beams 26 which are L-shaped in cross section and extend from the corners of the ferrules. The resilient beams 26 are, in their relaxed condition, twisted along their length so that the ferrules 22, 24 are 45 degrees out of alignment with each other; thus when a square sectioned pin contact 16 is inserted into the socket contact its edges are guided along the beams, straightening them as it goes and finally entering the then aligned ferrule 24, the two ferrules exerting opposed twisting forces on the pin. Each contact 14 is retained in a cavity of a housing 38 by flared lugs 36 and resilient cantilevers 34. In the embodiment of Figs. 7 to 10 (not shown) the beams are twisted out of alignment with the corners of each ferrule and the ferrules are aligned when there is no contact pin 16. In another embodiment the abutment lugs (36b) are formed at the inner end of the ferrule (22b) between the beams (26b).
Patent GB-662583-A (GB)
Title: Multi-speed gear system
IPC: B62M11/14
Filed: 1949-07-14
Abstract: 662,583. Variable-speed gearing. SIEGRIST, W. July 14, 1949, No. 18571/49. Class 80 (ii) Variable-speed gearing, as for a motor cycle, comprises a centrifugal automatic gear-shifting mechanism responsive to the speed of the driven shaft and a manually-operated detent means to lock a selected gear in engagement. A driving chain wheel 10 is connected through a friction clutch 8, 9 to a hollow driving shaft 3 having a gear 28 driving two auxiliary shafts 19, 22 by respective gears 29 and 30 ... 32. Gears 23, 24 and 26, 27 on these auxiliary shafts selectively mesh with gears 35, 36 respectively on a gear shifting cylinder 33 slidably keyed to a driven shaft 4, thereby giving four gear ratios. Axial control of the cylinder 33 is by centrifugal weights 37<SP>1</SP> and a compression spring 38, both of which act. between the cylinder 33 and a sleeve 41 secured to the driven shaft 4. Locking of the cylinder 33 when the gear shifting mechanism has engaged an appropriate gear pair is effected by a clutch lever 43 which actuates a clutch rod 42, which, fitting in the driven shaft bore, forces outwardly a detent 54 housed in a radial bore therein to engage one of five annular grooves 49 ... 53 in the cylinder bore, one corresponding to each. gear ratio. Gear change is permitted on change of speed by moving the rod 42 thereby disengaging, through a balance 44, releasing disc 45 and bolts 46, the clutch 8, 9, and aligning an annular recess 55 in the rod 42 with the detent 54, permitting the latter's disengagement with the cylinder 33. Change from neutral to low gear (shown in the drawing) is manually effected by a lever, Fig. 2 (not shown).
Patent GB-354477-A (GB)
Title: Improvements in or relating to brake mechanism
IPC: B60T7/10
Filed: 1930-06-18
Abstract: 354,477. Hand-operated brake mechanism. BENCE, C. and WARD, L. G., 43. Mayville Road, Leytonstone, CHAMBERLIN, C. W., 43, Lyal Road, Bow, and BENCE, J., 43, Mayville Road, Leytonstone, both in London. June 18, 1930, No. 18583. [Class 103 (i).] Relates to brake-operating mechanism comprising a slidable toothed bar or rack 2 connected by a rod or cable 3 to the brake, a hand-lever 11 with a pawl 13 for operating the rack to apply the brake on moving the lever to and fro, a sliding plate 4 for retaining the rack in its displaced position, and a spring-controlled trigger-rod 14 or equivalent for releasing the pawl 13. To release the rack 2 a boss, lug, cam, or the like 15 on the lower part of the lever 11 acts either directly or through means, such as a rocking lever, upon the sliding plate 4. To release the brake the pawl 13 is released by the trigger-rod 14 and the lever 11 is then moved backwards until the lug 15 engages a projecting pin 8 on the plate 4 and lifts the latter from the rack when the stress in the brake rigging returns the rack to its normal position. To release the brake partially, the plate 4 is raised from the rack and at the same time the pawl 13 engages with the rack and retains same. On moving the lever 11 forwards the plate 4 will drop and engage the next tooth, and by repeating the operation the brake will be gradually released. The plate 4 may be formed with two teeth and a spring or springs may assist the return movement of the bar 2. A brake adjustment may be provided by fitting a clip, bolt or other means in any one of the teeth on the forward part of the bar 2 and by arranging it so that it abuts the casing 1, the bar 2 being thus prevented from returning the full length of its normal travel.