baber/WOPTO huggingface dataset:
Patent GB-671016-A (GB)
Title: Improvements in or relating to a transfer mechanism for metal-working machines
IPC: B21D43/05
Filed: 1950-08-25
Abstract: 671,016. Forging-machines. WATERBURY FARREL FOUNDRY & MACHINE CO. Aug. 25, 1950 [April 18, 1950], No. 21066/50. Class 83 (iv). Blanks, transferring.- A metal - working machine having a plurality of dies has a workpiece transfer mechanism comprising a carrier having mounted thereon a spindle carrying gripping fingers which is rotated as the carrier moves from one die to another. A machine for forming nuts comprises a die block 11 in which are dies 12 to 16 which co-operate with punches (not shown) to perform the various operations. A reciprocable cut-off bar 17 carrying a knife 18 cuts off and feeds wire stock to the die 12. Mounted on the die-block 11 is a gear housing 20 containing a hub 22 carrying gear segments 23 and 24 and crank-shafts 28, 29 on which are pinions 30 and 31 which engage the gear segments 23 and 24, respectively. Crank-pins 33 on the shafts 28, 29 are secured in bearings 40 to a carrier comprising spaced riveted plates 35 and 36. Stop-pins 44 and adjustable screws 45 limit the movement of the cranks so that the fingers 73 and 84 are correctly aligned with the die opening. The hub 22 is rotated by a rockarm 48 connected to an adjustable rod 49 which is reciprocated by mechanism connected to and operated by the cut-off bar 17. Rotation of the hub 22 oscillates the crank-shafts 28 and 29and the carrier and fingers 73 and 84. The spring- loaded fingers 73 are secured to holders 72 pivoted at 71 to a block 69 mounted on the carrier. Horizontal adjustment of the fingers is effected by screws 78 and 79 in the holders 72. The spring-loaded fingers 84 are rotatable and are carried by a holder 83 on a spindle 82 vertically mounted in a block 81 secured to the carrier. On the upper end of the spindle 82 is a pinion 87 and a plate 88 on the housing cover 21 carries spaced racks 89 and spaced bearing plates 90 which co-operate with square blocks 91 formed integrally with each pinion 87. Upon oscillation of cranks 32 the pinions 87 and blocks 91 will be raised and moved towards the right (Fig. 6), the blocks 91 riding on the bearing-plates 90 and when the blocks leave the plates 90 the pinions engage the racks 89, thus rotating the fingers 84 through 180 degrees whilst transferring the work-piece from one station to the next. The carrier is prevented from moving outwardly from the die face by lugs 92 (Fig. 5), which engage a slot 93 in the die-block. The stroke of the cranks 32 may be adjusted by means of a stud 97 (Fig. 1), which adjusts the throw of a lever 51.
Patent GB-822667-A (GB)
Title: Process for the preparation of common salt by the evaporation of solutions
IPC: C01D3/26
Filed: 1957-07-03
Abstract: Common salt is prepared by evaporation of solutions to which have been added small amounts of a soluble salt of carboxy methyl cellulose, preferably in amounts between 1 and 100 mg. per litre of solution.  The salt obtained is coarser and harder and less incrustation of the evaporator occurs.  The hardness may be further increased by the addition of compounds supplying nitrilotriacetate ions (see Specification 790,457).  Examples refer to the evaporation of brine to which has been added 30 mg. of sodium carboxy methyl cellulose per litre of brine and the addition of 30 mg. each of sodium nitrilotriacetate and sodium carboxy methyl cellulose. Specification 617,137 also is referred to.
Patent GB-340924-A (GB)
Title: Improvements in or relating to illumination of sound films
IPC: G11B7/00
Filed: 1930-07-11
Abstract: 340,924. Reproducing recorded sound. ZEISS IKON AKT.-GES., 72, Schandauerstrasse, Dresden, Germany. July 11, 1930, No. 21094. Convention date, July 29, 1929. [Class 40 (ii).] Optical apparatus.-A photographic sound record is illuminated during reproduction by a vertical incandescent filament the image of the latter being rotated so as to fall upon the sound record in an horizontal position. The rotation of the image may be obtained by inserting a Dove prism 2 in the light rays passing from the vertical filament of a lamp 1 to the sound record. The Dove prism may be replaced by a three-sided prism or by other optical means such as crossed cylindrical lenses, mirrors, or combinations thereof.
Patent GB-933542-A (GB)
Title: Fluid pressure operated motor
IPC: F01B17/02
Filed: 1960-06-15
Abstract: 933,542. Permanent magnets. STEWARTWARNER CORPORATION. June 15, 1960 [June 16, 1959], No. 21107/60. Class 35. [Also in Groups XXVI and XXVII] The slide valve 44 controlling the admission of fluid pressure to the opposite ends of a reciprocating motor is moved between its two operating positions by a member 120 which is held in each of its two positions corresponding to the respective operating positions of the slide valve by a magnet and is so connected with the piston of the motor that, upon movement of the piston, a bias is first established urging the member 120 from its existing position to its second position and then the member is forced in the same direction. A trip rod 16 which is arranged to be moved with the piston towards each end of its stroke extends upwardly past the slide valve and through the centre of a magnetic structure comprising inner and outer cylindrical polepieces 92, 94 embracing a pair of arcuate ceramic magnets 88, 90. Two armature discs 114, 116 for alternate co-operation with opposite ends of the magnet are resiliently carried by a sleevelike shuttle member 120 which is arranged for reciprocation on the trip rod inside the magnet and at its lower end carries a member 46 having lands 78, 80 for coaction with a projection 73 on the slide valve ; inside the member 46 is a compression spring 156 disposed between upper and lower washers 152, 154 arranged to coact with shoulders 140, 142 on the trip rod. In the downward movement of the trip rod, its shoulder 142 strikes the washer 152 and so compresses the spring 156 until a stop 158 is effective, the shoulder 120 then being coupled to move down with the trip rod. As the armature 116 then moves away from the magnet, the hold between the latter and shuttle is overcome and the spring then moves the shuttle rapidly forward relative to the trip rod to move the slide valve to its second position; during this movement of the slide valve, the other armature 114 gradually approaches the magnet until it is close enough for the magnetic attraction to snap it into contact with the magnet and so supplement the initial kick provided by the spring. On the reverse movement of the trip rod, the shoulder 140 serves to compress the spring. In order to prevent damage to the magnet under the impacts of the armature, the ceramic magnets 88, 90 are surrounded by a rubber or plastic layer 102 which, together with the polepieces 92, 94, extends axially beyond the magnets, and the whole magnet assembly is resiliently mounted in a cylindrical recess in the machine head. In a modification, the magnet assembly consists of two sets of rectangular magnets 172, Fig. 6, sandwiched between polepieces 174, 176 with intervening rubber gaskets 180, the polepieces being outwardly curved at their central portions to accommodate the shuttle and trip rod; in this arrangement, a rubber buffer is provided between the top of the magnet assembly and underside of a cap member.
Patent GB-1418338-A (GB)
Title: Sulphone salts deriving from 2,5-dihydroxy benzene monosulphonic and 2,5-dihydroxy genzene disulphonic acids
IPC: C07C317/14
Filed: 1973-05-03
Abstract: 1418338 Aromatic - sulphone - sulphonic acid salts LABORATORIOS DEL DR ESTEVE SA 3 May 1973 [17 May 1972] 21142/73 Heading C2C Novel compounds (I), (II) and (III) where R is aryl, alkylaryl or aralkyl and B is an alkali metal cation, an equivalent of an alkaline earth metal cation, ammonium or an optionally substituted amine cation, are made by reacting compounds IV (themselves obtained by oxidizing corresponding hydroquinones with HNO 3 ) with R.SO 2 H, where, when R 1  is H, R 2  is H or -SO 3 B and when R 1  is -SO 3 B, R 2  is H. Pharmaceutical preparations showing hemostatic, hypocholesterolemic, hypoglycedemic and hypolipemic actions contain (I), (II) and/or (III) as active ingredient. Administration is orally or parenterally.
Patent GB-1396813-A (GB)
Title: Electromagnetic type measuring apparatus for digitally mea suring electric donductivity
IPC: H03M1/00
Filed: 1973-05-04
Abstract: 1396813 Measuring electrical conductivity by induction OKI ELECTRIC INDUSTRY CO Ltd AND JAPAN SOCIETY FOR PROMOTION OF MACHINE INDUSTRY 4 May 1973 [18 May 1972] 21183/73 Heading G1N [Also in Division G4] Apparatus for digitally measuring the electrical conductivity of a liquid e.g. sea water comprises a first magnetic core 1 having a first coil 3 wound thereon, the coil being connectable via dual position switch 24 to an A.C. source 7, a second magnetic core 2 having a second coil 6 wound thereon and connected through resistor 13 across the source 7 via a voltage divider comprising potentiometer 8, an output coil 4 wound on the second core 2, the cores being immersed in use in a liquid whose conductivity is to be measured, a rectifyer 15 consisting of 2 oppositely poled diodes for rectifying the output of the coil 4 to produce either a positive or a negative output according to the setting of change-over switch 16, an integrator 19, for receiving the output of the rectifier 15, a comparator 20 for comparing the output of the integrator with electrical zero, and a counter 23 for counting pulses emitted by a source 21 via a gate 22 which is enabled for a time determined by the output of integrator 19. In operation, switch 24 is first thrown so that the output from source 7 is impressed across the coil 3. Switch 16 is in a position where a negative voltage e 2  is passed to integrator 19. This situation proceeds for a pre-set time T 0  at the end of which switches 24, 16 are moved to their alternative position, power is passed to the coil 6 and the gate 22 opened. Clock pulses are thereby connected at 23 and a positive reference voltage e 2  is passed to the integrator. After time T 1  the output voltage of the integrator 19 will become zero and the gate 22 will be closed by comparator 20. The count in counter 23 will then represent T and with a suitable choice of the values of resistance 13 and the setting of potentiometer 8, it may be shown that P = (PoT/To) when P 0  is the conductivity of a standard liquid and p is the measured conductivity. In a modification, Fig.4 (not shown), the switching arrangements are modified so that power is fed, during the period T 01  to both coils 3 and 6 such that the voltage e 2 -e 2 ' is passed to the integrator for the time T 0 , and during the period T, power 13 only fed to coil 6 whereby the relationship T = (e 2 -e 2 /e 2 ) is obtained.
Patent GB-733534-A (GB)
Title: Improvements in pipe couplings
Inventor: GALLUPPI BERNARDINO FILIPPO
IPC: F16L27/113
Filed: 1953-07-30
Abstract: 733,534. Pipe Joints. BARKER, SMITH & CO. July 30, 1953, No. 21198/53. Class 99 (1). The joint comprises an annular abutment 15 on each pipe end, a sealing ring 16 engaging behind each abutment and projecting radially therefrom for about half its radial thickness, a sleeve 17 bridging the joint between each sealing ring, and a pair of collars 20, 21 having internal shoulders 23 to engage and compress the sealing rings when the collars are screwed together at 22. Each sealing ring may be hollow and be located in a groove formed by spacing rings 14, 15 which are screwed on to the pipe. The rings are tapered and the collars and pipes have a clearance 28 to provide a flexible joint. In another form, particularly for concrete pipes, the grooves 32, Fig. 3, are formed by integral flanges 33, and flexibility is permitted by rubber bushes 37. The collars 34 are connected by a coupling nut 36 having a right-hand and a left-hand screw-thread. In other forms for concrete pipes the grooves are formed in the periphery of the pipes, the pipe ends and collar bores being tapered, or the grooves may be formed in slight swellings on the ends of the pipes.
Patent GB-641256-A (GB)
Title: Facsimile recorder
IPC: H04N1/23
Filed: 1947-08-05
Abstract: 641,256. Copying-telegraphy. FAXIMILE, Inc. Aug. 5, 1947, No. 21211. Convention date. Aug. 10, 1946. [Class 40 (iii)] A facsimile recorder comprising a paperstoring compartment, paper advancing means and recording means is contained in a covered box and its component parts are so mounted on the box and on its cover member that when the latter is raised record paper may readily be inserted between the box portion and the cover portion. The receiving mechanism of an electrolytic recorder of the " lawn-mower " type is enclosed in a casing comprising a base unit 21 and a cover unit 22. The roll 31 of recording paper 44 is kept moist by storage in a compartment 24 which is closed except for an exit slot for the paper, by a guide roller 30 mounted on the cover member 22. Also mounted on the cover member are a feed roller 35 and the blade electrode 39, which is preferably of the type described in Specification 536,645 or 608,953. Mounted on the base unit 21 are a guide-roller 36, the helical electrode 42 on its drum 46 and a driven feed roller 33. When the cover member 22 is raised paper from the supply roll 31 can be pulled off and laid on top of the guide roll 36, helical electrode 42 and feed roller 33, issuing from a suitable slot in the top of the base unit 21. When the cover is then closed the units mounted thereon fall into correct adjustment ready for recording to begin. The cover and base units are located with respect to each other by means of interlocking edges and can be locked in the closed position.
Patent GB-1034117-A (GB)
Title: Improvements in or relating to building elements
Inventor: CHERNEY ALEXANDER JOHN
IPC: E04B2/36
Filed: 1963-05-28
Abstract: 1,034,117. Building units. ALLOC Ltd. May 28, 1963, No. 21246/63. Heading E1B. A building unit of concrete or bonded wood chippings for walls, floors, or partitions, comprises a wall portion 1, 20 and a web portion 2, 21, the web being grooved 3, 22, whereby it is interfitted with adjacent units or is keyed to concrete. The unit shown in Figs. 1 and 3 is particularly suitable for cavity wall construction and grooves 6 are provided in the wall portion to key with concrete or to retain a filler element 7. The cavity of the wall may also be filled with insulating fibreglass. The unit of Fig. 8 is particularly suitable for a floor-ceiling construction, the curved surfaces 24, 25 of four adjacent interfitted units combining to form cavities of elliptical crosssection. Two or four edges of each unit may be channelled, as at 4, to receive a coupling fillet, or are tongued and grooved for interlocking. The units of Fig. 8 may be of a length such as to span a floor or ceiling. Reinforcement rods may be provided in the units and the units may be pre-stressed. In a cavity wall, insulating material 12 and bonding members 11 may be inserted, the units may be secured together with adhesive, and reinforced or prestressed pillars may be cast "in situ" in the wall.
Patent GB-1126921-A (GB)
Title: Mirrors for reflecting telescopes
Inventor: BROWN DAVID SCATCHERD
IPC: G02B23/22
Filed: 1965-05-19
Abstract: 1,126,921. Telescopic mirrors. SIR HOWARD GRUBB PARSONS & CO. Ltd. May 9, 1966 [May 19, 1965], No.21266/65. Heading G2J. A telescope mirror is provided with insulating material which extends around a periphery of the mirror, the insulation being chosen so that isotherms in the body of the mirror, which extend parallel to the reflecting surface of the mirror, do not suffer any substantial change in direction near the periphery of the mirror. This requirement is met by arranging that the propogation velocity of a temperature disturbance proceeding in a direction perpendicular to the mirror surface is substantially the same in both the mirror body and the insulation. In Fig. 5, the insulation comprises layers 3a, 3b, 3c of expanded polystyrene separated by layers 3d, 3e of asbestos cloth containing a proportion of copper wire to render it thermally conducting. Means for mounting the mirror are provided. In a modification the insulation is provided by a layer of glass fibres, the fibres of which extend generally tranversely of the mirror surface.
Patent GB-941279-A (GB)
Title: Clutch plates and the like
IPC: F16D13/64
Filed: 1962-06-01
Abstract: 941,279. Friction clutches; disc brakes. BENDIX CORPORATION. June 1, 1962 [June 22, 1961], No. 21285/62. Headings F2C and F2E. A friction plate, adapted to be gripped between rotating or reciprocating parallel plates, comprises a resiliently deformable plate 10 having friction members 24 attached to its opposite faces with portions overlapping each other over plate openings 38, so that clamping force applied to the gripping-plates (not shown) causes the overlapping portions to approach each other in the openings 38, and thus twist the plate 10, thereby cushioning friction engagement. As shown the plate is in the form of a disc which may be used in either a clutch or in a brake. The friction members 24 consist of cups containing sintered inorganic friction material, the cups lying flat against the plate, being staggered with respect to each other and overlapping radial slots 38. The cups are formed with projections 30 engaging holes in the plate 10 to prevent them rotating about the axes of their mounting rivets 28. Projections may be formed at the backs of the friction member cups to lie in the slots 38 and contact each other when the clutch is engaged, Fig. 4 (not shown), thus limiting the extent to which the cups may be forced axially towards each other. In one modification, Fig. 5 (not shown), the friction members are of trapezoidal shape and the plate has generally T-shaped slots extending to its outer periphery, the friction members being biased apart by T-shaped metal springs, Figs. 6, 7 (also not shown), between them. In another modification, Fig. 8 (also not shown), the slots are arranged chordally relatively to the disc, and in yet another modification, Fig. 9 (also not shown), the slots are of H-shape. The spring biasing the friction members apart may each consist of a layer of silicone rubber, &c., sandwiched between two plates, Fig. 10 (not shown).
Patent GB-345181-A (GB)
Title: Improvements in roller bearings
IPC: F16C33/52
Filed: 1930-07-15
Abstract: 345,181. Roller bearings. SALTER & CO., Ltd., G. and TRUBSHAW, B., 144, High Street, West Bromwich. July 15, 1930, No. 21365. [Class 12 (i).] A roller-bearing assembly comprises a cage having end-rings 2 spaced by distance bars 3 and hollow rollers 1 mounted at the ends on balls 6 which are seated on the inner edges of holes 7 passing through the end rings 2. The rollers may be of helical spring type or of taper form.
Patent GB-1340121-A (GB)
Title: Methods and apparatus for attenuating the exhaust noise of an internal combustion engine
IPC: F01N3/04
Filed: 1971-04-19
Abstract: 1340121 Treating I. C. engine exhaust gases DONALDSON CO Inc 19 April 1971 [9 Feb 1970] 21370/71 Heading F1B Exhaust noise is attenuated by supplying droplets of liquid into the exhaust gas stream. The liquid, e.g. water containing anti-freeze and pollutant reducing catalysts, is supplied by a pump 31, e.g. driven by the engine 10, to a nozzle (34), Fig. 2, (not shown), in the exhaust pipe 12 or by the injector action of the exhaust gas flowing through a venturi containing a liquid nozzle (46), Fig.4, (not shown). The liquid and exhaust gases pass through a silencer 13 to a separator 25 in which the separated liquid may be cooled by air-flow througha radiator core 22 produced by a fan 23 or motion in the case of a vehicle mounted engine. The liquid may be separated in a centrifugal separator and subsequently air cooled in a heat exchanger. A replenishment tank (50), Fig. 5, (not shown), may be connected to the liquid circuit. The liquid may be cooled by a cooling tower(43d), Fig. 7, (not shown), having a replenishment liquid supply controlled by a float valve. The supply of liquid in gallons / min may be set to 0À005 times the engine horsepower times the cross-sectional area of the exhaust pipe in square inches.
Patent GB-1345847-A (GB)
Title: Method of securing a friction material to a copper clad steel  plate to form a friction article
IPC: B22F7/06
Filed: 1972-05-08
Abstract: 1345847 Soldering and brazing BENDIX CORP 8 May 1972 [1 June 1971 (2)] 21382/72 Heading B3R [Also in Division C7] In a method of securing a friction material in which copper is a major constituent to a copper clad steel plate (for use, e.g. in brakes and clutches), a layer of powdered brazing material consisting of from 5 to 30% by weight of tin and 70 to 95% by weight of copper is placed to a uniform loose fill depth of at least 0À025 mm. in a mould and a layer of the friction material in powdered form is placed on top. The layered composite is then compacted into a solid mass, removed from the mould and brought into contact with the copper clad steel plate brazing layer side down. While pressing the compact and plate together, they are heated in an oven to a temperature from 900‹ C. to 700‹ C. for a corresponding period of from 20 to 90 mins. causing the brazing material to sinter and alloy the copper base friction material to the plate. For disc brake pads the plate forms the base of a reinforcing cup 1, Fig. 1, and the compacted friction material 3 is composed generally of copper with minor additions of tin, graphite, mullite and oil. The layer of brazing compound is preferably between 0À05 and 0À065 mm. thick. A number of such articles are clamped together, Fig. 3, with the interposition of spacers 5, by a screwed rod 7 passing through a central aperture in the friction material and plate. After heating and cooling the material may be coined and ground to a desired shape.
Patent GB-1268704-A (GB)
Title: Railway track packing equipment
Inventor: PLASSER FRANZ
IPC: E01B27/12
Filed: 1969-04-29
Abstract: 1,268,704. Railway ballast packing machines. F. PLASSER. 29 April, 1969 [29 April, 1968], No. 21697/69. Heading E1G.   In a railway track packing machine wherein a group of oscillatory tamping tools 18 straddling a single or two adjacent sleepers are squeezed together by hydraulic or other actuators, the tools 18 are pivoted at 19 on a vertically-adjustable carrier 16 and have their upper ends linked through separate actuators 24, 25 to opposed arms of a lever 26 which is oscillated about a pivot 27 by a strap 23 on an eccentric drive shaft 22. As shown two groups of tools packing adjacent sleepers are oscillated by a common shaft 22. The angular position of tools 18 on pivots 19 is adjustable, by dog-clutch teeth, and hydraulically actuated adjustable stops 28 may be provided which determine the initial spacing of the tools. Track lifting means and an alignment device, Fig. 1 (not shown) may be provided.