baber/WOPTO huggingface dataset:
Patent GB-1014417-A (GB)
Title: Electrical signal modifying apparatus
Inventor: BALDWIN JOHN LEWIS EDWIN
IPC: H03G5/10
Filed: 1963-05-23
Abstract: 1,014,417. Equalizing networks. RANKBUSH MURPHY Ltd. May 25, 1964 [May 23, 1963], No. 20602/63. Headings H3R, H3T and H3U. An equalizing circuit to provide a specified amplitude/frequency characteristic in a signal transmission channel comprises a parallel resonant circuit in series between the signal voltage input and output, and means for inducing a variable signal current in the resonant circuit, e.g. by one or more inductors coupled with the inductor of the tuned circuit. If such inductor(s) is fed from the signal input via variable current source the induced signal will add to or subtract from the response at the resonant frequency depending on its phase. Thus in Fig. 3 signals from 1 are applied to two current sources 6, 7 whose output amplitudes can be varied differentially. Their algebraic sum flows through resistor R 2  to provide a voltage source for the resonant circle L 1 , C 1 , R 1  while the currents through inductors L 2 , L 3  induce signal currents in L 1  which respectively add to and subtract from the response at the resonant frequency. The overall characteristic is controlled by adjusting the differential output of the sources 6, 7. The inductor L 2  or L 3  may be tapped into the resistor R 2  or returned directly to earth (Figs. 5, 7, not shown). In a practical circuit (Fig. 9) signals from 11 are applied via an emitter-follower stage 13 to the emitters of further transistors 20, 23 in parallel across a common emitter resistor 24. The two inductors L 2  and L 3  provide the signals to be induced into the inductor L 1  of the resonant circuit, and transistor 23 also carries in its collector circuit the resistor 26 (to provide the voltage signal) and a frequency-correcting inductor L 4 . The overall response is controlled by potentiometer 34 which adjusts the base bias on transistor 23. If transistor 23 is required to be cut off completely a more complicated potentiometer network is necessary. The turns ratio of L 1 , L 2  need not be the same as that of L 1 , L 3 .
Patent GB-994691-A (GB)
Title: Improvements relating to ladders
IPC: E06C1/52
Filed: 1961-06-08
Abstract: 994,691. Ladders. G. L. LAVRARD. June 8, 1961 [June 15, 1960; Sept. 9, 1960], No. 20716/61. Heading A6L. A folding ladder comprises sections pivoted to one another by means of the rungs 21 which are offset from the plane of the ladder, the ends of the stile sections abutting one another when the ladder is erected at a position AB, Fig. 5, offset longitudinally of the ladder from each rung 21. The ladder is held in erected position by a spring-operated plate 60, Fig. 5, mounted by pins and slots 62, 63 on one section and engaging a pin 69 on the other section. The ladder may be broken at two adjacent joints to form a step ladder, Fig. 7, the two legs being locked together by crossed bars 6 having plugs on their ends which fit into the ends of the rungs and which are held in position by elastic cords 8. The ladder is supported laterally by a leg or legs 9 mounted on bars 10 sliding in two rungs.
Patent GB-144925-A (GB)
Title: Improvements in artificial limbs, and in a method of manufacturing same
IPC: A61F2/60
Filed: 1919-08-23
Abstract: 144,925. McCormac, F. Aug. 23, 1919. Limbs, artificial.-In manufacture, a core 1 is formed by measurement of the sound limb or the stump of the amputated limb, which is elliptical in cross-section to prevent angular displacement of the artificial limb. The core is wrapped with soft material 2 such as velvet to form a sheath. Metal stiffening-bars 5 are attached at intervals to the exterior of the sheath, and the whole structure is encased in adhesive wrappings 8. The artificial limbs thus formed, after removal of the core, may be fitted with securing-straps riveted to the upper ends of the bars 5. At the lower end of the leg a wooden or like socket 20 is fixed to the sheath and wrappings, and is shaped to cooperate with the foot in forming a curved bearing-surface 9. Two of the metal stiffening-bars are prolonged to form the ankle-joint 6, whereby the foot can swing to a limited extent between the stops 11, 21. The front stop 21 comprises an instep plate which is fixed to the foot and comes into action when the socket 20 bears against its under surface. A spring 18 holds the foot normally at right-angles to the leg. The movable toe-piece is fitted to the foot by a curved bearing surface 14 and two springs 13.
Patent GB-651042-A (GB)
Title: Process for obtaining purple images and light-sensitive layers suitable for colour photography
Filed: 1948-08-06
Abstract: 651,042. Photographic diazotype material. JONES, L. E. (Soc. Anon. de Matieres Colorantes et Produits Chimiques Francolor). Aug. 6, 1948, No. 20754. [Class 98 (ii)] Photographic diazotype material yielding a purple image contains an arylide of 2-hydroxy- 3-naphthoic acid and a diazosulphonate of the general formula wherein R 1  and R 2  are alkyl, cycloalkyl, aryl, or aralkyl groups, R 3  is alkyl, acyl is the residue of a carboxylic acid, and M is a metal conferring water-solubility. In example 1, a film coated with gelatin slightly tanned with an aluminium salt, is immersed in an aqueous solution of sodium 3-methoxy-4-benzoylamino- 6 - diethylsulphonamidobenzenediazosulphonate, 1 - (21 - hydroxy - 3<SP>1</SP> - naphthoyl) - amino- 3-nitrobenzene, alcohol, and caustic soda. After exposure by contact or projection printing using a negative and preferably while moist, the material is washed with a slightly alkaline aqueous solution, then with water, and then alcohol, and dried. The shade may be varied by omitting the passage through alcohol or by using as coupler the 2-hydroxy-3-naphthoyl derivatives of 1-amino-2-methyl-4-chlorobenzene, aniline, o-toluidine, 4-chloroaniline, 1- amino - 2 : 4 - dimethoxy - 5 - chlorobenzene, 1 - amino - 2 : 5 - dimethoxybenzene, 1 - amino- 2 - methoxy - 5 - chlorobenzene, o - or panisidine, o-phenetidine or α- or #-naphthylamine. In example 2, sodium 3-ethoxy-4- benzoylamino - 6 - diethylsulphonamidobenzenediazosulphonate is used with 1-(21-hydroxy- 31-naphthoyl)-aminonaphthalene, 2-hydroxy- 3-naphthoyl-o-toluidine, or 1-(21-hydroxy-31- naphthoyl) -amino -4-chlorobenzene.
Patent GB-402532-A (GB)
Title: Improvements in or relating to stair carpet holders
IPC: A47G27/06
Filed: 1932-07-23
Abstract: 402,532. Stair - carpet fasteners. EASY, A. J., 13, Naseby Road, Alum Rock, Birmingham. July 23, 1932, No. 20773. [Class 52 (v).] In stair - carpet fasteners of the type in which a hooked clip b engageable with the edge of the carpet is supported by. a grooved attachment plate a fixed to the stair riser, the sheet-metal attachment plate has inwardly-facing horizontal grooves or channels a<1>, a<2>, and the lower corners of the plate are extended downwardly on each side of the lower groove a<2> to form a pair of spaced supporting feet a<4> abutting upon the stair tread. The plate a is apertured centrally at a<3> for a single fixing screw. The hooked clip b slides in the channels a<1>, a<2> and has a central longitudinal embossment b<1> to clear the fixing screw.
Patent GB-1385616-A (GB)
Title: Support for rotary tubular furnace
IPC: F16C13/04
Filed: 1973-05-02
Abstract: 1385616 Rotary furnace supports FIVES LILLE-CAIL 2 May 1973 [4 May 1972 16 Aug 1972] 20789/73 Heading F4B A support for a rotary furnace bearing ring 10 comprises rollers 14 on a rocker resting on a frame 18 through a ball joint 20 the centre of which is situated in the plane of symmetry of the rocker perpendicular to the axes of the rollers and equidistant therefrom. The rocker comprises bearing plates 22 located in the sides of a casing 24 by sleeves 37 and the ball-joint comprises concentric rings 26 and 28, the outer ring 26 being attached to an intermediate support 30 on the frame 18 and the inner ring 28 being attached to a short shaft 34 within lugs 36 of the casing. The ring 26 is of less width than the ring 28 enabling limited oscillation about the centre of the joint. In a modification (Fig. 3) the shaft (34<SP>1</SP>) extends through the casing walls and the bearing plates. Another modification (Fig. 4) has the axis of the shaft (34) perpendicular to that of the rollers and another modification (Figs. 5 and 6) has one end of the rocker connected to a fixed anchoring point (50) by a tie (52) of adjustable length, the tie being attached to the rocker and the anchoring point by ball joints (54 and 56). In a final modification (Figs. 7 and 8) the rollers may have side flanges (58<SP>1</SP>) on one side engaging the track rings.
Patent GB-263437-A (GB)
IPC: G01C3/04
Filed: 1926-08-24
Abstract: 263,437. Soc. d'Optique et de MÚcanique de Haute PrÚcision. Jan. 26, 1926, [Convention date]. Range-finders.-A range-finder constructed for measuring actual distance of the target is provided with a device for measuring the altitude and the horizontal range of an aerial target. A graduated scale rod 1 is moved by a cam groove a on a cylinder 4 actuated by the head 3 which moves the prism producing coincidence in the rangefinder eyepiece, the cam groove being arranged to move the rod 1 proportional to log. of the distance of the target. In observing an aerial target the, scale rod 1 is also given a rotational movement, by tilting the range-finder to sight the target, over a cylinder 5 on which is drawn a graph c the abscissµ of which are angles of site and the ordinates the log. sines of those angles. The height of the target may thus be read directly from the scale, being the difference between the movement of the scale longitudinally and the height of the graphite c. If the graph c be log. cosine of the angle of site the horizontal range of the target is similarly determined.
Patent GB-991008-A (GB)
Title: Mining apparatus
Inventor: POTTS MICHAEL CHARLES
IPC: E21D23/26
Filed: 1962-05-30
Abstract: 991,008. Advancing mine roof supports. DOWTY MINING EQUIPMENT Ltd. May 21, 1963 [May 30, 1962], No. 20865/62. Heading F1P. The subject matter of this Specification is identical to Specification 991,011 but the claims relate to mining apparatus comprising guide means, e.g. a conveyer for a cutting machine, the conveyer extending along the working face of a mine, and a series of fluid pressure operated roof supports advanceable in a predetermined order and each having valve means operable to cause its roof support to advance, the conveyer also being advanceable and being arranged when advanced by a predetermined amount, to cause operation of the valve means of the first roof support whereby the first support completes an advancing operation and causes operation of the valve means of the next roof support which thereby advances and so on throughout the series.
Patent GB-1200269-A (GB)
Title: Improvements in or relating to magnetically polarised relays using encapsulated reed changeover contacts
Inventor: FRYDMAN EMANUEL
IPC: H01H51/28
Filed: 1968-05-02
Abstract: 1,200,269. Polarized electromagnetic relays. TELEPHONE MFG. CO. Ltd. 29 April, 1969 [2 May, 1968], No. 20892/68. Heading H1N. A polarized electromagnetic relay having a sealed reed contact unit 5 surrounded by an operating coil 6 has first and second contact posts 14, 15 projecting outwardly from the contact unit and each adjacent a respective pole of a permanent bar magnet 8 which is engaged at spaced points by a spring 11 or springs which is or are adjustable to vary the position of the magnet relative to the contact posts 14, 15. The change-over contact unit 5 has mercury-wetted contacts and is located in a coil former 1 which has projections 2, 3 for magnet and spring-securing screws 7, 9. The spring forces on the magnet may be adjusted to set the magnet position, by means of a screw 10 engaging a spring stiffener 12 and the magnet is then clamped by the screw 7 or by varnish. The relay may be encapsulated within a shielding casing 16 which may be provided with holes allowing access to the adjustment screws. The position of the magnet 8 may be set to make the relay bi-stable or stable in one contact position only (Figs. 4 and 5, not shown).
Patent GB-531342-A (GB)
Title: Inlaid articles and method
IPC: B44C1/26
Filed: 1939-07-18
Abstract: 531,342. Ornamenting. PLASTIC INLAYS, Inc. July 18, 1939, No. 20896. Convention date, July 30, 1938. [Class 93] In a method of inlaying articles of translucent or other material, such as clock dials, with a decorative substance, such as precious metal, the material is formed with a recess or with an aperture to receive the decorative substance, which is held in place by a relatively stiff member, the edges of which firmly engage the sides of the recess. In one arrangement, a strip 6 of base metal coated with precious metal is placed in a recess 5 in the translucent material 4, and is held in place by a second strip 8, which is force-fitted into the recess. The member 8 is preferably curved, and is flattened during application, so that its edges are forced into the sides of the recess. The strip 8 may be omitted, a single strip of material, coated with preciousmetal &c. and having substantial rigidity, being forced into the recess. Specification 472,522 is referred to.
Patent GB-667409-A (GB)
Title: Improvements in and relating to the interior furniture of motor cars and like vehicles
IPC: B60N3/00
Filed: 1949-08-11
Abstract: 667,409. Bracket tables. SWINGLER, A. C. J. Aug. 11, 1950. [Aug. 11, 1949] No. 20946/49. Class 52 (v). A detachable table 20 for use in a vehicle is carried by a frame 12 which can be engaged in another frame 8 rigidly secured to the vehicle body. The table is hinged on a pin 26 passing through lugs 23, 24 thereon which can be frictionally clamped against complementary lugs 15, 16 on the frame 12 by a cam 37.
Patent GB-1066809-A (GB)
Title: Improvements in fuel injection pumps for internal combustion engines
IPC: G05D13/00
Filed: 1964-05-21
Abstract: 1,066,809. Fuel injection pumps. ROBERT BOSCH G.m.b.H. May 21, 1964 [May 21, 1963], No.20965/64. Heading F1A. In a fuel injection pump comprising a reciprocable and rotatable piston 9 fed from a supply chamber 49 via ports 51, and delivering to injectors via port 42 and valved delivery connections 46, the delivery is controlled by two spill ports 57 registrable with four radial passages 57 in a rotatable bush 34, which is angularly adjustable by a centrifugal governor. The governor comprises balls 14 acting to move a sleeve 15 upwardly against spring-loaded plungers in cylinders 22, the plungers acting on sleeve 15 through levers 19, 16. Governor movement is transmitted to rotate spill control bush 34 by a lever system (24), (26), (29), (30), Figs. 2 and 3 (not shown), a roller (25) on lever (24) engaging a sphericallyshaped portion (23) of sleeve 15, and a sphericallyshaped eccentric pin 32, Fig. 1, engaging a vertical groove 33 in bush 34. Rotation of governor sleeve 15 is effected by a lever (37) connected to the engine throttle control linkage and acting through a ball and socket (35), (36), rotation of spherical portion (23) of sleeve 15 actuating the lever system of spill control bush 34. Reciprocation of piston 9 is effected by.a cam track 6 engaging rollers 7. The cylinder head and piston grooves are shaped to reduce turbulence.
Patent GB-1077374-A (GB)
Title: The manufacture of adipic acid
Inventor: GARDNER CYRIL
IPC: C07C51/31
Filed: 1963-05-27
Abstract: In the process for the preparation of adipic acid by the liquid phase oxidation of cyclohexane with molecular oxygen followed by further oxidation of this oxidation product by nitric acid after the removal of cyclohexane, adipic acid (0.01 to 5%) is added to the cyclohexane used in the liquid phase oxidation with molecular oxygen.  The adipic acid may be added in the form of an aqueous solution, a finely divided solid or as a water-soluble salt.
Patent GB-782718-A (GB)
Title: Improvements in or relating to thermoplastic material and method of making same
IPC: C08J3/00
Filed: 1955-07-21
Abstract: A film or sheet having a body free of voids and being vapour- and water-impermeable comprises a fused polymer or copolymer of a haloethylene having one or two chlorine, bromine or fluorine atoms on only one carbon atom, the surface of the film or sheet exhibiting suede-like appearance and feel.  Specified polymers are those of vinyl or vinylidene chloride, bromide or fluoride, copolymers with each other or with vinyl esters, acrylic and alpha-allyl acrylic acids, their alkyl esters, their amides and their nitriles, styrene, dichlorostyrene, vinyl naphthalene, alkyl esters of maleic and fumaric acids, vinylalkyl ethers and ketones, vinyl pyridine, N-vinyl carbazole or pyrrolidone, ethyl methylene malonate, isobutylene, ethylene, and trichloroethylene. Ter- and higher interpolymers may be used.  Plasticizers, thickening agents, volatile organic diluents, stabilizers and processing agents may be present.  The film or sheet is prepared by embedding a powdered non-hydroscopic material, e.g. sodium or potassium chloride or bromide in the surface of the polymer and removing this material by treating the surface with a solvent. The powder may be embedded in the surface by hot pressing it against the surface, and a detergent may be added to the leaching-out solvent.
Patent GB-1016195-A (GB)
Title: Improvements in or relating to annealing lines
IPC: C21D9/60
Filed: 1963-05-27
Abstract: <PICT:1016195/C6-C7/1> In an annealing line having a vertical annealing furnace disposed to receive a continuous strip of metal 12, vertically through a seal in the bottom thereof, a non-magnetic roll member 54 is disposed to rotate about its axis beneath said furnace, engaging said strip over at least 90 degrees of its surface, beneath its axis and to deliver said strip vertically into the furnace; and a curved induction heater unit is disposed adjacent said roll member spaced from the surface thereof to provide a predetermined gap therebetween for accommodating said strip as it is engaged by the roll member and raising the temperature of the strip to such a value that it enters the furnace moisture-free.  The non-metallic roll-member 54 may be formed of stainless steel, or may comprise a stainless steel core 53 and a surface layer 55 of a softer material, e.g. wood.  The inductor unit 72 is formed of a plurality of current carrying, hollow, copper pipes 74-84, disposed substantially parallel to one another in a spaced relation and forming a curved contour, being mounted on parallel flange members 86.  The pipes are connected to one another in series relationship by means of copper plates, being connected to a suitable power supply by means of bus-bars, and are cooled by passage of cooling water therethrough.  The gap between the roll member 54 and the inductor unit may be varied by moving the parts 138, 140 of the support pedestal relative to one another.
Patent GB-405256-A (GB)
Title: Improvements in means for operating movable direction signalling devices or observation devices on automobiles or other vehicles
IPC: B60Q1/34
Filed: 1932-07-27
Abstract: 405,256. Road - traffic signals on vehicles. BUYSE, M. T., 25, Avenue Arnold Delvaux, Uccle, Brussels. July 27, 1932, No. 21217. [Class 118 (ii).] A device for operating a manoeuvre signalling device and/or an observation device, e.g. a mirror which may have combined with it manoeuvre signals as described in Specification 364,333, comprises the combination of a push and pull member, including a semi-rigid wire or cable placed in a flexible sheath, with means for applying friction to a longitudinally movable portion of the push and pull member or in a pivotal mounting for the signalling and/or observation device, whereby to retain the latter in any set position. In the case of the direction arrow 1 pivoted at 2, Fig. 2, in the housing 3 the frictional resistance may be derived from direct contact between the semi-rigid cable or wire of chilled steel 8 and the sheath 7, or may be derived from the friction packing 14, Fig. 3, between the cable 8 and the split cap 13 screwed on to the sleeve 11 screwed on to the sheath 7. The arm 6 may be constructed as a counterbalance to the arm 1 to lessen the amount of frictional resistance required, and the operating button or knob 9 may be simply engaged by slight friction in a hole 10 in the dashboard. In the modification shown in Fig. 6 friction packing 14‹ is provided between the sheath 7 and the cable 8 which may be slightly enlarged at its end. In the modification shown in Fig. 5 the frictional resistance is provided by the friction washers 18 between the arm 6 and the housing 3, the pivot pin 2‹ being prevented from rotating in the housing 3 through the square end 2‹‹ and an adjustable grip being provided by the nut 19. Fig. 7 shows three mirrors 25, 25, 27, which may be provided with manoeuvre signals as described in Specification 364,333, mounted on either side of the windscreen 5 by knuckle-joints 4‹ and operated by one knob or button 28 through the sheathed cables 23, 22, 24, the frictional control being preferably as shown in Fig. 3.
Patent GB-169056-A (GB)
Title: Improvements in belt shippers
IPC: F16H7/24
Filed: 1920-07-14
Abstract: 169,056. Maguire, R., and Maguire, P. July 14, 1920. Operating belt forks.-A belt-shipper operated in both directions by a cord moved in one direction comprises a beam 5 secured to a rock shaft 1 and slotted to form an inverted V-shaped track 9 for a rider 3, to which is attached the cord 4. The rider is counterbalanced at 10 and is mounted loosely on a boss 1<a> carrying the shaft 1. The beam 5 is fitted with weights 11 rolling in an arcuate slot 12. The rock shaft is operatively connected to the fork bar 2 by a slotted arm 6 engaging a stud 7 on the fork bar, the stud being adjustable in the slot to provide for shipping belts of varying widths. The shaft 1 is provided with a stud 13 engaging stops (not shown) in the boss 1<a> to limit the oscillatory movement. The shipper is mounted on an adjustable post 14.
Patent GB-1080615-A (GB)
Title: Piston
IPC: F01B9/02
Filed: 1966-05-13
Abstract: 1,080,615. Connecting rods. G. A. WAHLMARK. May 13, 1966 [May 24, 1965], No. 21349/66. Heading F2T. A piston head 11 is connected to, for example, a ball joint 15 of a swash-plate pump or motor by a rod 17 which is radially resilient and compressible at its ends. The rod is made of spring steel rolled to leave a gap between its edges 19. To fit the rod, the ends are compressed and inserted into tapered bores in the piston head and ball joint. If desired, the rod may be reinforced with a sleeve welded around its mid-section.
Patent GB-761067-A (GB)
Title: Process for producing on fibres of acetyl-cellulose or of linear polyamides or polyurethanes dyeings fast to cross-dyeing
IPC: D06P1/12
Filed: 1953-07-31
Abstract: Azoic dyeings, fast to cross-dyeing, are produced on acetyl cellulose, linear polyamide and polyurethane fibres by applying an aqueous medium containing an aminophthalic acid dialkyl ester and a coupling agent comprising an alkali metal compound of an arylide of 2 : 3 - hydroxy - naphthoic acid which contains in the arylide residue an alkoxy group either alone or together with further substituents, such as halogen atoms or methyl or other alkoxy groups, effecting diazotization on the fibre and developing the dyestuff in a hot bath. In an example cellulose acetate yarn is treated in an aqueous bath at 75 DEG C. containing 4 - amino - phthalic acid diethyl ester, the sodium salt of 1 - (21 : 31 - hydroxy - naphthoylamino) - 2 - methoxybenzene, diethanolamine, sodium chloride, ammonia and the condensation product from oleic acid chloride and albumen decomposition products, preferably lysalbic acid, according to Specification 413,016 diazotization is then effected with acidified sodium nitrite solution and the dyeing developed with hot ammoniacal sodium acetate - oleylmethyltaurine solution.  A list of other suitable diazotizable bases and coupling agents is given. Specification 319,247 [Class 15(ii)], also is referred to.