baber/WOPTO huggingface dataset:
Patent GB-1265356-A (GB)
IPC: H01H19/62
Filed: 1969-10-21
Abstract: 1,265,356. Cam-operated switches. G. F. WHITELEY, and V. E. BOXALL. 21 Sept., 1970 [21 Oct., 1969], No. 51536/69. Heading HIN. A switch has a contact bridge 9 biased by a spring 16 against a pair of fixed contacts 7 and a device 19 is provided for moving bridge 9 to break contact, bridge 9 being maintained against one fixed contact 7 by a pocket 12 in which end 11 of bridge 9 is housed. As shown, device 19 is a cam having camming surfaces 22, 23, 24. On the opposite side of cam 19 are peaks 25a, 25b and troughs 26a, 26b, 26c which with detent leaf spring 27 locate the cam positions and also provide a snap-action when cam 19 is rotated from one position to the next. A plurality of switches may be ganged and actuated by a common spindle 21, Fig. 3 (not shown), operated by a key-operated lock. In a second embodiment, Fig. 4, contact bridge 9 is thinner, spring 16 is a flat strip hairpin-shaped spring and cam 19 has only one trough 34 and no detent. In all the other embodiments, bridge 9, spring 16 and fixed contacts 7 are the same as in Fig. 4, but the operating device is different. In Fig. 5 (not shown), cam 19 has three peaks and three troughs. In Fig. 6 (not shown), the cam is driven by a gear-wheel intended to be driven by opening a machine cover or door having 180 degrees of movement, the gears having a 2/1 ratio and the driving gear being fitted directly to the door hinge pin. In Fig. 7 (not shown), the gears are the same as in Fig. 6, but a driving quadrant or rack 39 is provided fitted either to the hinge pin or to the door and having a gear ratio of less than 4/1. In Figs. 8 and 8A (not shown), contact bridge 9 is operated by a rectilinearly moving pusher-cam 19a moved by a rectilinearly moving bar 40. This bar may be joined to a door, Fig. 8B (not shown), or joined to a reciprocating member, Fig. 9 (not shown). In Figs. 10 and 10A (not shown), the pushercam 19a is moved by a rectilinearly moving slide 45 manually operated by a handle 45a.
Patent GB-1265609-A (GB)
IPC: B23Q7/00
Filed: 1970-02-27
Abstract: 1,265,609. Machining crank-shafts. BOEHRINGER G.m.b.H. GEB. 27 Feb., 1970 [28 Feb, 1969], No. 7416/70. Headings B3B and B3T. An installation for machining crank-shafts W, or like elongate workpieces which have to be machined at several positions comprises a row of beds 10 having rails 11 along which a plurality of workpiece holders 12 carry a plurality of workpieces W in axial alignment and which are moved step-by-step by a conveyer 14, 15 in the direction of the common axis 13 of the workpieces. A plurality of tool holders 18 each carry a rotor 19 on which are mounted tools 21 that form orbiting rotatable annular cutters. The axis of rotation of the rotors are coincident with the common axis 13 when the workpiece holders 12 are moved and the workpieces and holders 12 pass through the annular cutter. The tool holders 18 are mounted on a cross-slide so that the axis of rotation of the rotors 19 can be eccentric to the common axis 13 to machine eccentric parts of the workpiece. The workpiece holders 12 are locked at each machining station by a bolt 16 and clamped between rails 11 and (17), (Fig. 2, not shown). The installation includes a loading station 24, a waiting station 23, and an unloading station 25. The movement of one workpiece into a tool holder 18 pushes another one out. This pushed workpiece is moved to a waiting station 23 on the next reciprocation of the conveyer 14, 15.
Patent GB-1265732-A (GB)
IPC: C08G69/32
Filed: 1969-02-19
Abstract: 1,265,732. Polyamide coating. TEIJIN Ltd. 19 Feb., 1969 [19 Feb., 1968; 5 Sept., 1968], No. 9122/69. Heading B2E. [Also in Division C3] Wire is enamelled with solutions of polyamides which are prepared by equimolar reaction between diamine(s) and dicarboxylic acid dihalide(s) in a polar, non-basic, inert organic liquid forming a condensation product of low degree of polymerization, and then contacting with an aqueous solution of an acid acceptor. The reaction and contact may be performed at 0-100C. The diamine may be added to the liquid before, simultaneously with, or after the dihalide. The condensation product may be dispersed or dissolved in the liquid. The condensation product has inherent viscosity #0.2 and has degree of condensation of 1 to 20 or more. The solution of the condensation product in the liquid may be mixed with the acid-acceptor solution by adding either liquid to the other, or by simultaneous spraying or injection. The diamine and dihalide may be aromatic or aliphatic; the diamine may have formula H 2 N-A-NH 2  or H 2 -N-A-YA'-NH 2  and the dihalide may have formula XOC-B-COX, XOC-B-Y-B'-COX or XOC-R-COX, where the two -NH 2  or -COX groups are bonded to C-atoms which are neither adjacent nor in the peri-position, and where A, A', B, and B' are each the residue of a divalent carbocyclic aromatic nucleus which may contain substituents which do not interfere with the polyamide-forming reaction. Such a residue may be phenylene, naphthylene, or diphenylene; and such substituents may be halogen, C 1-4  alkyl, phenyl, acyl, acyloxy, alkoxycarbonyl, nitro, dialkyl amino, acylamino, alkylthio, carboxyl, sulphonic acid, or monosubstituted amino groups. Y may be an ether, thioether, carbonyl, sulphone, N-substituted imino, amide, N-substituted amide, methylene, or alkylidene linkage not reactive with -NH 2  or -COX. X is halogen, e.g. Cl. R is C n H 2n  where n=4-10. The liquid may be an ether, ketone, sulphone, halogenated hydrocarbon, ester nitrile, or nitro compound. Also present in the liquid may be 30% wt non-polar solvent, e.g., benzene, toluene, xylene, or cyclohexane. The acid acceptor may be organic, e.g. CH 3 OONa, (COO) 2 KH, C 6 H 4 (COOK) 2 , or a tertiary amine, but is preferably inorganic, e.g. LiOH, NaOH, Na 2 CO 3 , K 2 CO 3 , or NaHCO 3 . Preferably enough acid acceptor is present to form a salt with all the hydrohalic acid to be formed in the polycondensation. A surfactant may be added to the liquid or the solution. A watersoluble neutral inorganic salt may be added to the solution e.g., a halide, sulphate, nitrate or phosphate of Na, K, Ca, or NH 4 ; preferably the salt should be that to be formed in the reaction. Before contact with the solution, the solution of the condensation product in the liquid may be mixed with a solution of a condensation product obtained by mixing a diamine and dicarboxylic acid halide which may each differ from the original diamine and dicarboxylic acid. The resultant polyamide may have inherent viscosity of 0.6-3. Reference is made to U.S.A. Specifications 3,063,966 and 3,006,899.
Patent GB-1265994-A (GB)
IPC: G01B3/00
Filed: 1969-01-30
Abstract: 1,265,994. English/metric indicators. GAMET PRODUCTS Ltd. 9 Jan., 1970 [30 Jan., 1969], No. 5192/69. Heading B3T. An English/Metric dial indicator comprises a first gear 5 connectable for rotation with a shaft 1 of a machine tool and a second gear 6 fixed for rotation with a dial member 7 having graduations in both English and metric units, an idler pinion 11 constantly in mesh with the gears 5 and 6, the pinion being mounted on a carrier 10 which is frictionally drivable by a spring loaded ball 12 with rotation of the shaft. A clutch member 14 operable to permit or prevent rotation of the pinion carrier is provided whereby when the clutch member is in one position the carrier is held stationary and the dial rotates at a different speed to the shaft determined by the ratio between the gears and one of the scales is exposed. When the clutch is in an alternative position the carrier rotates by way of the friction means and the dial rotates in unison with the shaft and the other scale is exposed. The movement of the clutch selectively exposes the scales in accordance with the appropriate gearing.
Patent GB-1294845-A (GB)
IPC: B23Q16/02
Filed: 1970-08-10
Abstract: 1294845 Indexing; grinding; jointing by forging MINSKY OPYTNY ZAVOD SPETSIALNOGO KONSTRUKTORSKOGO BJURO No 3 10 Aug 1970 [14 Aug 1969 (3)] 38413/70 Headings B3B B3D and B3H An indexing mechanism includes an indexible plate 1, a locating plate 2 and an arrangement of balls 5 fixed to the latter for co-operation with indentations 3 in the former, the distance between adjacent indentations being equal to, or a multiple of, twice the radius of the indentations and the balls being seated in the locating plate 2 to a depth exceeding their radius. In operation, the indexible plate 1 is retracted from the location plate 2, indexed, and reengaged with the locating plate whereupon the balls 5 enter appropriate indentations 3 to locate the plate 1. In another embodiment (Fig. 3, not shown), an arrangement of three coaxial plates is used. The pitch of indentations on one plate (6) is larger than on the other plate (7), these two plates being separated by a common locating plate (8) with balls on both of its surfaces. In operation, plates (6) and (8), for example, are indexed relative to plate (7), then plate (6) is indexed in the reverse direction relative to plates (7) and (8). Thus indexing through an angle, or its multiple, equivalent to the difference between the two pitches is attainable. In a further embodiment (Fig. 4, not shown), a common indexible plate (12) is interposed between two locating plates (10, 11).  In a method of making the mechanism (Figs. 5 and 6, not shown), the indentations are made by pressing balls into the surface(s) of the indexible plate, and into the surface(s) of the locating plate to a depth exceeding the ball radius. The indentations are formed as a result of local plastic deformation, and are of a depth less than the ball radius. By pressing the balls into the locating plate, raised annular lips result around each ball. Subsequently, as the indexible plate is pressed against the locating plate, these lips are deformed and flattened whereby the balls are firmly embedded in the locating plate. The mechanism can be used in universal assembly jigs, swivelling stands of milling and drilling machines and in spline-grinding machines (to set the arbor at a definite angle).
Patent GB-1295013-A (GB)
IPC: B41J1/34
Filed: 1971-04-22
Abstract: 1295013 Selective printing AMERICAN REGITEL CORP 22 April 1971 [4 May 1970] 10742/71 Heading B6F Disposition of characters.-A type-wheel has the types arranged in at least two separate helical paths. Machine with continuously rotating typewheel has the type-wheel (11, Fig. 1) mounted on a carriage (13) and single hammer (23) mounted on a second carriage (24). Both carriages are traversed synchronously by belt drives (32, Fig. 3) and (38, Fig. 4). Type-wheel construction.-The type-wheel is provided with a cup-shaped end the rim of the cup having slots which are detected by photoelectric cells (Fig. 6) forming part of the control circuitry for the timed impact action of the hammer. Inking roller/type-wheel drive.-An inking roller (18, Fig. 1) is rotated on an eccentrically mounted shaft and is brought into contact with the type-wheel to drive the same. Carriage return.-The drive train for the type and hammer carriages includes a clutch (52, Fig. 2) and a spring (50) which stores energy. During carriage return the inking drive roller (18) is moved away from the type-wheel.
Patent GB-1295156-A (GB)
IPC: C22C38/44
Filed: 1970-07-10
Abstract: 1295156 Stainless steel INTERNATIONAL NICKEL Ltd 10 July 1970 [11 July 1969] 33618/70 Heading C7A A stainless steel has a composition, in per cent by weight, in the following range:- Cr 16-30 Mo 0À5-11 Ni 2-8 C up to 0À1 Si up to 3À0 Ti up to less than 2 and/or one or more of V, Nb, Ta, Zr up to 2 each, the total of these five metals not exceeding 5:- Al 0-2 Mn 0-2 Co 0-10 W 0-4 Fe apart from impurities the balance The sum Cr + 3Mo + 3Si is at least 35 and at least one of Ti, V, Nb, Ta, Zr is present in amount of at least 0À15 if the C content is not less than 0À02 or if the steel is air melted and if the aforementioned sum is less than 41. Reference is made to the preparation of several examples of the alloys, the melts having been deoxidized with 0À05% Ca in the form of a 30% Ca-70% Si master alloy, and the steels having been subjected to various heat-treatment and rolling operations.
Patent GB-1295953-A (GB)
IPC: F03C7/00
Filed: 1970-10-06
Abstract: 1295953 Rotary fluid actuators IPARI SZERELVENY ES G•PGY‡R 6 Oct 1970 [8 Oct 1969] 47351/70 Heading F1F A rotary fluid actuator, particularly for actuating a shut-off valve in a fluid-flow system, comprises a closed housing 1, Fig. 1, having a part cylindrical surface 2, two or more but always an even number of resilient hoses 3, and at least three freely rotatable rollers 12 equiangularly mounted on a disc 10 fixed to a tubular shaft 9 which is operatively connected to means to open and close the valve. Pressure fluid admitted through 4, e.g. the bottom left-hand tube and the top right-hand tube acts on the respective rollers 12 to rotate the disc 10 and shaft 9 in a clockwise direction. Both rollers or at times one roller applies turning moment to the shaft 9. A minimum of three rollers is necessary to ensure that at all times torque is applied to the shaft.
Patent GB-1303073-A (GB)
IPC: E02B3/04
Filed: 1970-01-27
Abstract: 1303073 Preventing erosion IMPERIAL CHEMICAL INDUSTRIES Ltd 27 Jan 1970 3869/70 Heading E1H [Also in Division D1] Tufts 64 of artificial seaweed are secured at intervals to a cable 62 by passing the tufts through the cable. A chain 60 may be secured to the cable at spaced positions to sink it. The artificial seaweed may be strips of polypropylene in a braiding of paper yarn. When immersed in sea water each tuft is held within its enclosure of paper yarn for a time sufficient for divers to work amongst the array of tufts. The paper yarn then disintegrates and the strips of polypropylene are free to spread apart.
Patent GB-1305054-A (GB)
IPC: C10G69/06
Filed: 1970-04-06
Abstract: 1305054 Integrated steam cracking ESSO RESEARCH & ENG CO 6 April 1970 16245/70 Heading C5E An integrated steam cracking process comprises (a) mixing the feedstock, e.g. S containing gas oil with an unstable unsaturated cracked fraction recovered from steam cracking and a H 2  containing gas (b) hydrofining and hydrodesulphurizing the blend at 450-750‹ F., 200-1,800 p.s.i.g. in the presence of the gas under a catalyst comprising Group VIB or Group VIII metals or salts or mixtures of the two groups e.g. cobalt molybdate or nickel molybdate supported on alumina. (c) recovering a recycle gas fraction from the mixture, (d) fractionating the treated blend (in lower A) to recover a stable gasoline fraction, e.g. C 5  350‹ F. for blending and a bottoms fraction of reduced S content (e) steam cracking the bottoms fractions (f) recovering an unstable cracked fraction from the cracked products and passing it to step (a) for blending with the feed. The C 5  cut may be hydrogenated further and solvent entracted to yield paraffins and aromatics.
Patent GB-1306678-A (GB)
Title: Liquid heating and heaters
IPC: F24H1/10
Filed: 1969-11-17
Abstract: 1306678 Heating liquids by direct contact with hot gases GAS COUNCIL 19 April 1971 [17 Nov 1969] 56190/69 Heading F4K Tank water is heated by direct contact with hot combustion gases in a passageway 4 the outlet end of which is connected to a gas-liquid separator 13 from whence the cooled combustion gases are exhausted through a duct 14 and the heated water is returned to the tank via a duct 15. As shown tank water enters an injector tube 8 having a nozzle 9 by way of a draw tube 11 and pump 10. Atomized water leaving the tube 8 through nozzle 9 enters the passageway 4 and entrains hot combustion gases from a burner 6 by the suction effect thus created. In an alternative embodiment (Fig. 2, not shown) hot combustion gases under pressure from a burner (29) are passed into the injector tube (27), and the water to be heated is drawn up from the tank by the suction effect created by the exhaust gases leaving the nozzle end of the injector tube; this water is preheated by contact with the outer surface of the injector tube prior to its direct heat exchange with the combustion gases.
Patent GB-1307066-A (GB)
Title: Fastening device
IPC: F16B21/10
Filed: 1969-05-19
Abstract: 1307066 Stud and socket fastenings F T PRODUCTS Ltd 30 June 1970 [19 May 1969 12 Dec 1969] 25422/69 and 60699/69 Heading E2B A stud 20, Figure 4, is retained in an aperture 21 of a panel 22 by a member 10 which is made of synthetic plastics material. The latter is provided with a body 11 having a stepped bore 15, Figure 3, a radially-inwardly directed flange 16, a shoulder 13 and a skirt 14. In use the stud 20, Fig. 4, is positioned in the aperture 21 of the panel 22 and a member 23, which is integral with the stud 20, is supported by the panel. The member 10 is forced over the projecting end of the stud to clamp the skirt 14 of the member 10 against the panel 22 and also to allow a tapered portion 19 of the body 11 to wedge between the aperture 21 of the panel 22 and the stud 20. The movement of the tapered portion 19 may be limited by the shoulder 13, Fig. 3, of the body 11. The flange 16 of the body 11 deforms the wall of the stud 20, Fig. 4, so as to retain the latter in position. In a modification as shown in Figure 5, a member 30 of synthetic plastics material has a bore with an inwardly-directed flange 37 therein and is provided with sleeve portions 40, 41 and lips 43, 44 separated by a disc portion 42. When the member 30 is in use as shown in Figure 6, the flexing of the disc portion 42 urges the lip 43 against a panel 33.
Patent GB-1314290-A (GB)
Title: Sealing ring
IPC: F16J15/10
Filed: 1971-12-22
Abstract: 1314290 Joint-making packing LAMPS & MACHINE PRODUCTS Ltd 22 Dec 1971 59633/71 Heading F2B A sealing ring 1 for making a fluid-tight connection between a mouth 7 of a tubular member and a groove 9, in for example the base-plate of a water-sterilizer or oil filter, comprises a U- section resiliently-deformable body having a portion of each side wall 2 of a thickened cross-section so that when the tubular member is received in the ring and the ring is progressively inserted in the groove, the thickened portions of the side walls progressively deform to make the fluid-tight connection. The ring may be made of nitrile rubber.
Patent GB-1314764-A (GB)
Title: Slide transparency
IPC: G03C7/20
Filed: 1971-03-24
Abstract: 1314764 Making slide transparencies HARCOURT BRACE JOVANOVICH INC 24 March 1971 7668/71 Heading G2C A slide transparency is made by projecting light on to a film through an overlay having an opaque area and a transparent coloured area. A suitable master overlay comprises a support 11 having a transparent rectangular window 12, round the sides of which are hinged various overlay sheets A-H which can be folded down across the window in various combinations. As shown, each overlay is hingedly attached to the support 11, or to another overlay, by opaque strips of adhesive tape, as at 13, 26, 28, 34, and so on. In the embodiment described, the basic image is a map of the United States with a series of information panels 17-20 on one side, see also Fig. 2 (not shown). The various overlays carry opaque areas, transparent areas, and coloured areas formed by pieces of red, blue, or green gel, corresponding to different areas of the original map and to the various panels. In order to prepare slide transparencies, selected overlays are folded down over the window area so that, superimposed, they produce the required images when light from a source is passed through the master on to a photo-sensitive film. Superimposed images may be produced on the same film area by exposure through first one combination of overlays and then through a different combination, or a sequence of exposures made through a predetermined sequence of overlay combinations. Such a sequence of map images may be used, for example, to illustrate the stages of growth of the United States.
Patent GB-1315492-A (GB)
Title: Removal of sheet material from products
IPC: B30B15/00
Filed: 1969-05-17
Abstract: 1315492 Pneumatic separation CHARCON PRODUCTS Ltd 18 May 1970 [17 May 1969] 25275/69 Heading B2H Sheet material, e.g. filter paper 5, Figs. 1 and 2, adhered to a surface of an article, e.g. a pressed concrete slab 6, is removed by directing a stream of air towards an edge of the sheet in a plane parallel or substantially parallel to, and level with, the plane of the surface at that edge, the velocity of the air stream being sufficient to blow the sheet clear of the article. As shown, the air is supplied through nozzles 8 connected by branch pipes 9 to a common air supply conduit to which compressed air is fed via a control valve (11), Fig. 4 (not shown), the operation of which is controlled by a linear cam (12). The cam may have a two-stage profile whereby at first partial opening of the valve provides a relatively gentle air stream sufficient to curl up the edge of the paper adjacent the nozzles, and thereafter complete opening of the valve provides a high velocity air stream which blows the curled up paper clear of the slab. The nozzles are preferably mounted for vertical horizontal and relative angular adjustment in any plane. In Fig. 9, two sets of nozzles 8a, 8b are used in conjunction with a pressing mould 20 and a slab transfer apparatus to remove filter paper respectively from the bottom and top of a concrete slab 23. The slab 23 is lifted from the mould 20 by a vacuum pad 24 carried by a wheeled trolley 25 which runs on an overhead track 26. The trolley carries the slab past the nozzles 8a to remove the filter paper from its underside. The slab is then transferred to a pivotable arm 22 and nozzles 8b serve -to remove the filter paper from the top of the slab. The arm 22 is then pivoted at 28 to transfer the slab to a delivery station 29. The trolley carries two cams 30, 31 arranged to actuate pilot valves through one-way switches 32 and 33. The pilot valves actuate a main type 3-way air valve controlling air supply to the two sets of nozzles 8a and 8b. The cam 30 actuates the switch 32 when the trolley moves from right to left and the cam 31 actuates the switch 33 when the trolley moves from left to right.
Patent GB-1315680-A (GB)
Title: Free-flowing crystalline urea
IPC: B01D37/00
Filed: 1970-07-30
Abstract: 1315680 Urea IMPERIAL CHEMICAL INDUSTRIES Ltd 26 July 1971 [30 July 1970] 36954/70 Heading C2C A free-flowing, non-caking, industrial grade of crystalline urea is produced from an aqueous solution of urea produced by a conventional total-recycle urea plant, by filtering the solution (e.g. through a pre-coat type filter) to remove oil and iron oxides therefrom, evaporating the solution in a falling-film evaporator to reduce its water content to between 8 and 12% by weight and its ammonia and ammonium salts content to not more than 100 p.p.m. by weight (without reducing its cyanate and guanidine content), and crystallizing the resultant concentrate slurry in the presence of an anti-caking agent (e.g. an aromatic amine).
Patent GB-1328816-A (GB)
Title: Cone crushers
IPC: B02C2/00
Filed: 1970-10-26
Abstract: 1328816 Gyratory crushers REX CHAINBELT Inc 26 Oct 1970 [27 Oct 1969] 50760/70 Heading B2A A bowl liner 14 for a gyratory crusher comprises an annular body having an upper surface 24 to engage a corresponding surface 16 on the bowl 10 and a lower frusto-conical surface 22 to define a part of the crushing cavity, the liner being formed of a hard wear-resistant somewhat brittle material and having circumferentially-spaced inserts 26 integrally fused into and projecting from the upper part of the body, the inserts being of a tough fractureresistant material. As described, the liner is made of pearlitic carbidic white cast iron, or martensitic carbidic chrome-nickel alloyed cast iron having a Brinell hardness >400 with inserts of mild steel. Each insert has a screw threaded bore 36 to receive a mounting bore 34 which is screwed up against Belleville washers 40. Cavities 30 are formed in the bowl 10 to receive the inserts, and the space is then filled with e.g. thermosetting epoxy resin. A shrink ring 48 may be applied on the outer edge of the liner.