baber/WOPTO huggingface dataset:
Patent GB-847688-A (GB)
Title: A linkage for describing a straight line
IPC: F16H37/12
Filed: 1957-12-16
Abstract: 847,688. Linkwork. EVG ENTWICK. LUNGS - UND VERWERTUNGSGESELLSCHAFT. Dec. 16, 1957 [Dec. 18, 1956], No. 39055/57. Class 80 (3). In a linkage for imparting a straightline motion to the end p of a lever 3, the lever 3 is carried by an equal length lever 1 which is oscillated about a fixed pivot 2 by a connecting rod 15, and the two levers are coupled by toothed bevel differential gearing so that they move through equal angles but in opposite directions. The levers 1, 3, Fig. 3, are respectively connected to coaxial toothed bevel crown wheels 5, 6 which mesh with bevel pinions 7 mounted on a spider 8 which is held against rotation by a pantograph linkage 10, 11, 12 (Fig. 1). The connecting rod 15 is actuated by a crank, which may be adjustable, or by an eccentric or a swash-plate. The linkage is applicable to a machine for welding wire-mesh grids.
Patent GB-856977-A (GB)
Title: Improvements in seal and method of making same
Inventor: JR WILLIAM MADISON WATKINS
IPC: F16J15/08
Filed: 1957-12-16
Abstract: 856,977. Making joint-making packing; corrugating. ROBERTSHAW-FULTON CONTROLS CO. Dec. 16, 1957 [March 25, 1957], No. 39077/57. Class 83 (2) and 83 (4). [Also in Groups XXIII, XXVI and XXVIII] A metal sealing-ring (see Group XXVI) of V cross-section is formed by inserting a metal tube in a die, deforming it so as to shape it to the desired cross-section, cutting off the ends of the ring and finishing the peripheral edges by a grinding operation. As applied to the making of a three-ply seal, a tubular member 96, Fig. 19, which has been previously cut from a composite tube formed by drawing three nested tubes through a die, is first inserted into the aperture 104, 106 of a die formed by upper and lower members 100, 98 which are supported in a base 110 and retained therein by a threaded cap 112. The member 96 with an inner resilient plug 146 is located on a shoulder 122 of a stationary lower punch 118 carried in the base. A movable punch 124, connected by a yoke member 132 to the piston-rod 134 of an hydraulic piston-and-cylinder arrangement 136, is lowered into the die so that, when pressure is applied to the piston, a shoulder 128 on the punch 124 coacts with the shoulder 122 on the punch 118 to deform a portion of the member 96 and the resilient plug into a cavity 102 formed in the die members 100, 98. After deformation, the member 96 is withdrawn from the die, and the deformed portion 148, Fig. 21, is severed from the rest of the member 96 and, after a heattreatment process, then has its severed edges 150, 152 finished into accurate sealing surfaces by a grinding process. In order to produce the alternative type of seal shown at 184, Fig. 26, the die arrangement is modified by providing an intermediate member between the upper and lower die members 100, 98 so that two corrugations 180, 182, may be formed. The wasted end portions 180, 182 are then cut off and the sealing surfaces 186, 188 produced as previously described. The seal may also be formed by being cut from a tube provided with a number of corrugations in a bellows-forming machine.
Patent GB-1150884-A (GB)
Title: Improvements in or relating to Grinding Machines
Inventor: SUMNER ALBERT
IPC: B24B47/18
Filed: 1965-09-15
Abstract: 1,150,884. Grindng. F. E. ROWLAND & CO. Ltd. 6 Sept., 1966 [15 Sept., 1965], No. 39320/65. Heading B3D. A grinding machine having a grinding wheel and a casing partially enclosing said grinding wheel which casing comprises side walls and a portion extending around the periphery of the wheel and terminating in a nose-piece is characterized in that said nose-piece is pivotally mounted whereby it may be moved to keep its edge remote from the pivot point closely spaced from the periphery of the grinding wheel as the wheel wears during grinding, there being a mechanical connection between the nose-piece and a control device for the speed of the grinding wheel, whereby the speed of the wheel is dependent upon the rotational position of the nosepiece, whereby the peripheral speed of the grinding wheel may be maintained substantially constant during grinding. A grinding wheel 10 is partially enclosed by a casing comprising side walls 11, 12 and a portion 13 extending around the periphery of the wheel and connecting the side walls. A nosepiece 14 comprises a part 14a forming a continuation of the part 13 and an arcuate part 14b extending downwardly towards the periphery of the grinding wheel. The nose-piece 14 is mounted on a shaft 15 passing through a bore (14c) in the rear portion of the part 14a; a flange (18) on the shaft 15 carries a peg (19) engaging a bore (20) in the nose-piece. The shaft 15 is journalled in a bearing (16) in the side wall 12 and carries on its outer end a lever 17. The free end of the lever 17 is mechanically connected with means for controlling the speed at which the grinding wheel is driven, e.g. an infinitely variable gear or a rheostat controlling the grinding wheel motor. A hand wheel 21 adjusts through mechanical means the position of the lever 17 and thus of the nose-piece. In use the operator periodically adjusts by hand wheel 21 the position of the nose-piece to maintain its front lower edge 14c<SP>1</SP> close to the periphery of the grinding wheel as it wears, simultaneously increasing the speed of the grinding wheel. The side wall 11 has a forward part 11a hinged to a rear part 11b to form a door giving access to the grinding wheel. The front edges of the door 11a and side wall 12 have inwardly turned flanges 22. A U-shaped member 23 secured to the upper front end of the nose-piece part 14b at the side of the door 11a is adapted to slide over the forwardly directed surface of the door 11a flanking the inwardly directed face of the flange 22 and the edge of the outer surface of the door 11a to prevent opening of the door 11a except when the nose-piece 14 is at its uppermost position of adjustment, where the flange 22 is cut away. After the door 11a has been opened, the nose-piece may be slid on the shaft 15 to disengage the peg (19) from the bore (20) whereupon the nose-piece may be swung backwardly about the shaft 15 to give free access to the grinding wheel from above.
Patent GB-1410762-A (GB)
Title: Joints particularly for use in furniture
IPC: F16B12/30
Filed: 1971-08-23
Abstract: 1410762 Furniture frames and joints PROJECT OFFICE FURNITURE Ltd 22 Aug 1972 [23 Aug 1971] 39478/71 Heading A4H [Also in Division F2] A joint for connecting together three intersecting elongated elements extending away from the joint in mutually transverse directions, e.g. for connecting a hollow leg 11 of front frame 10 of a chair simultaneously to a cross-bar 12 and to  a spacer bar 16 extending between the frame 10 and a rear frame 13, is formed by providing an aperture 21 in one of the elements, as shown in the bar 16, passing a second one of the elements, as shown the cross-bar 12 which is of narrower section than the bar 16, through the aperture, and connecting the third element, as shown the leg 11, to the assembly by passing a screw 24 through an aperture 25 in the third element 11, through a plain bore extending longitudinally of the first element 16 and into a screwthreaded bore 23 in the second element 12. Preferably, as shown, two screws 24 are provided, the element 16 is of tubular metal, and the element 11, which is also of tubular metal, embraces the inter-connection between the elements 12 and 16. Similar joints associated with each of the front and rear legs 11, 14 of a chair frame secure these four legs in spaced relationship as determined by the lengths of the cross-bars 12 and bars 16 to complete the frame. The rear legs 14 are extended upwardly and carry fixing devices 19 to secure a backrest part 18 which is associated with a seat part 17 resting on the front cross-bar 12 and located by fixing devices 19a. The front legs 11 may also be extended at 30 to support armrests 31. Reference has been directed by the Comptroller to Specification 1285229.
Patent GB-934250-A (GB)
Title: Device for the collating of sheets of laminar material
IPC: B65H39/105
Filed: 1961-11-03
Abstract: 934,250. Collating sheets. CHEMISCHE FABRIEK L. VAN DER GRINTEN N.V. Nov. 3, 1961 [Dec. 1, 1960], No. 39526/61. Class 100 (1). Sheets delivered from a conveyer 17 between rollers 18, 19 and guides 20, 21 are received successively in successive compartments of an intermittently rotated compartmented drum. The drum comprises a cylindrical member 7 rotatable about a shaft 3 and a series of radiallyextending plates 5 mounted on the member 7 and forming the compartments of the drum. The compartments are closed at one end by a circular plate 6 and are open at the other end. The plates 5 are bent over at their outer ends as shown. A flap 9 is carried by a pin 8 rotatably mounted on one side of each plate 5. Each flap 9 is pivoted near its free end to one end of a supporting member 10, comprising a number of parallel bars, the other end of which is slidable in openings in the member 7. The pins 8 project through the plate 6 and have arms 11 fixed thereto. Follower rollers 12 on the arms 11 are held in engagement with a stationary cam 13 by springs 14. This results in a supporting member 10 being normally in a position parallel to its associated plate 5 and enclosing in conjunction therewith and with the flap 9 a relatively narrow space. When the roller 12 passes over the high point 16 of the cam 13 the supporting member 10 is moved away from its associated plate 5 so as to form therewith a relatively wide, open-mouthed compartment into which a sheet is delivered from between the guides 20, 21. After the roller has passed over the high point the compartment is again narrowed and closed by movement of the member 10. This has the effect of retaining sheets in the compartment when the latter moves below the horizontal centre-line of the drum and preventing flimsy sheets from buckling under their own weight whilst in the compartment. Collated sheets are withdrawn from the compartments through the open ends thereof. U.S.A. Specification 2,936,167 is referred to.
Patent GB-1286470-A (GB)
Title: Tape cartridge and apparatus therefor
IPC: G11B23/087
Filed: 1969-07-16
Abstract: 1286470 Loading tape cartridges CARTRIDGE TELEVISION Inc 16 July 1969 [16 July 1968] 35939/69 Heading G5R When a reel-to-reel tape cartridge 10 is in an operative position relative to a rotary transducer 40, a central stretch of tape 34 is moved away from the cartridge and partially about the path of the transducer. As shown, guides 48, 50 and a pinch roller 56 on a bar 52 are moved to the dotted position. Alternatively the guides and pinch roller are mounted on arms coupled to a linkage operated manually or by a drive (not detailed) and latched in the operated position. The hubs 18, 20 are normally braked by a wedge 66 released by a cam 78 when the cartridge is loaded on the machine.
Patent GB-877051-A (GB)
Title: Improved book binding device
Inventor: CAKEBREAD WILLIAM DUNCAN
IPC: B42F13/02
Filed: 1956-12-31
Abstract: 877,051. Loose-leaf binders. CAKEBREAD Ltd., C. Dec. 31, 1957 [Dec. 31, 1956], No. 39679/56. Addition to 727,510. Class 146(1).  Loose leaves are bound together by a post 4 which passes through holes in the leaves, and two members 1, 2 which fit on opposite sides of the bundle of leaves and each provided with a projection 3 which is a sliding fit in a recess 5 in one end of the post and carries a spring washer 8 or a piece of spring wire which is deformed when the projection is inserted into the corresponding recess and bites into the wall of the recess to oppose withdrawal of the projection. As shown, the end 6 of each projection 3 is tapered to receive the locking washer 8, and a ring 7 retains the washer thereon. Two or more such devices may be used for large bundles of sheets, the several members 1, 2 being secured to common binding bars.
Patent GB-1293036-A (GB)
Title: Wheel assembly and system for altering the air pressure in vehicle tyres
IPC: B60C23/00
Filed: 1970-08-18
Abstract: 1293036 Regulating tyre pressures KLOCKNER - HUMBOLDT - DEUTZ AG 18 Aug 1970 [19 Aug 1969] 39711/70 Heading B7C [Also in Division F2] A wheel assembly for altering the pressure of a tyre mounted thereon, comprises a pipe which communicates with an annular duct in a permanent hub and with the tyre, the pipe including a pressure-responsive valve which is biased normally to close the pipe but is operable in response to air pressure on the hub side of the valve in excess of the biasing force to permit an alteration in the tyre pressure. A pressurized air reservoir (not shown) is connected via a control valve (not shown) to a bore 23 in the axle end 23, an annular space 32 between the axle 23 and a tube 31 surrounding a drive shaft 26, through a bore 34 in the axle into the annular duct 35, and through a bore 36 in a rotary joint member 29 to a connecting piece 16 of the pressure responsive valve 9. The valve 9, which is connected to the tyre 6 via a pipe (8) from a connection 14, comprises a stepped piston 12 with a bore 19 air-tightly slidable within a housing 11 and spring biased to seat normally against a ring 20. In operation, to inflate a tyre, the pressure control valve is actuated to admit pressurized air to the face 15 of the piston radially without the ring 20 to overcome the biasing force of the spring and lift the piston off its seat to allow air to pass along the bore 19 into the tyre; the control valve is subsequently actuated to stop the air supply and vent to atmosphere air within the hub and carrier and from the face 15, the piston reseating under the action of the spring. To decrease tyre pressure, air of pressure less than that required in the tyre is admitted to face 15 radially without the ring to lift the piston and allow the air in the tyre to flow therefrom along the bore 19, the control valve being subsequently closed and vented as above.
Patent GB-987695-A (GB)
Title: Improved construction and method of manufacturing a magnetic recording head
Inventor: NAMENYI-KATZ LASZLO
IPC: G11B5/187
Filed: 1961-11-06
Abstract: 987,695. Making magnetic heads. VECTRON ELECTRO-PHYSICS Ltd. Nov. 2, 1962 [Nov. 6, 1961; Nov. 24, 1961; Dec. 20, 1961], Nos. 39716/61, 402041/Cl and 45576/61. Heading B3A. [Also in Division G5] A magnetic tape head, assembled from a pair of mirror-halves, has each half made by:- (a) grooving a non-magnetic support member 3, preferably of plastics, loaded with silica; (b) providing a half-core 5, Fig. 1, or 5a and 5b, Fig. 8, formed of one or two strips of highly-permeable strip, bent at the ends; (c) forming a winding 6 on the core centre. (d) attaching connecting pins 7, 8; (e) loading the assembly (b), (c), (d) into groove (a), the winding 6 being assommodated in recesses provided in the support 3; (f) moulding the half head with casting resin 9, where so shaded; (g) lapping the mating faces of the headhalves; (h) clamping the half-heads about a berylliumcopper foil gap spacer 12, Fig. 1; (j) filling the spaces 10 and 11 with adhesive resin; and (k) lapping the tape-guide surfaces 1, 2. In the Fig. 9 embodiment, the lower half 5b of the two-part core of Fig. 8 is laminated. In any embodiment, the supports 3 may be multiply-grooved to support cores for multitrack heads and to support laminated magnetic/ electrostatic intercore screens 14, Fig. 4. Specifications 987,696 and 987,697 are referred to.
Patent GB-1113291-A (GB)
Title: Bearing assembly
IPC: F16C33/60
Filed: 1965-09-20
Abstract: 1,113,291. Bearings; swivel joint pipes. FMC CORPORATION. 20 Sept., 1965 [23 Oct., 1964], No. 39952/65. Headings F2A and F2G. A rolling bearing, particularly for a pipe joint, comprises an inner race 60 resiliently diametrically expandable before assembly, and an outer race 62 resiliently diametrically contractible before assembly. The inner and outer races are fitted in grooves in members 18, 16 and remain respectively in tension and compression. The races are each split at one place. A projection locates the inner race on the member 18. A cap 45 has a resilient end portion 52 with channels for the balls between the spaced ends of the outer race. Grease is introduced from fitting 56 and retained by seals. The materials of the races 60, 62 and members 18, 16 may be chosen to maintain constant clearance during temperature changes.
Patent GB-815710-A (GB)
Title: Improvements in or relating to gas filters
IPC: B01D46/04
Filed: 1957-12-23
Abstract: 815,710. Gas filters. WHEELABRATOR CORPORATION. Dec. 23, 1957 [Jan. 2, 1957], No. 39965/57. Class 8(2). [Also in Group XXXIV] Shaking of a plurality of filter bag, 10, Fig. 1, suspended by rods 16 from both sides of the longitudinal axis of a channel-sectioned beam 18 is effected by rocking the beam by means not described about said axis ; each end of the beam 18 carrying a bracket 38 comprising an upper cross-bar 40 and a lower arcuate plate 42 of semi-circular section having vertically aligned threaded apertures 46, 48 engaged by a vertical screw bolt 50 having its lower tapered end projecting below the plate 42 and into a bushing 30, Fig. 2, formed in a bar 28 supported by the horizontal limb of an L-sectioned bracket 24. A plurality of beams are arranged parallel to one another.
Patent GB-1528473-A (GB)
Title: Drawing instruments
IPC: B43L7/027
Filed: 1975-09-30
Abstract: 1528473 Protractors H A WING-KWAN 21 Sept 1976 [30 Sept 1975] 40017/75 Heading G1X A transparent substantially triangular drawing instrument comprises protractor markings 18 around an arcuate slot 20, and a slot 14 with a straight edge, the centre point 16 of the protractor lying on the straight edge of the slot.
Patent GB-1241844-A (GB)
Title: Penicillins
Inventor: LONG ANTHONY ALFRED WALTER
IPC: A61K/
Filed: 1968-08-23
Abstract: 1,241,844. Penicillins. BEECHAM GROUP Ltd. 20. Aug., ,1969 [23 Aug., 1968], No. 40319/68. Heading C2A. [Also in Divisions A5-A6] The (-) isomer of 6-(α-amino-p-hydroxyphenyl - acetamido) - penicillanic acid is prepared by reacting 6-aminopenicillanic acid or a salt thereof with a functional derivative of the (-) isomer of a-carboxylic acid of formula where X is an amino group, a protected amino group or a group which is subsequently converted into an amino group. X may be a protonated amino group, a benzoyloxycarbonyl- or substituted' benzoyloxycarbonyl - amino group, an enamine group or a 2-sulphonylethoxycarbonylamino group, or may be an azido group which is converted to amino by catalytic or electrolytic reduction. Functional derivatives of the acid may be the halide or a mixed anhydride, an 0-acyl isourea or an imidazolide, or the acid may be simultaneously activated at the carboxyl group and aminoprotected by conversion to a Leuch's anhydride. The ( -) isomer of 6-(α-amino-p-hydroxyphenylacetamido)- penicillanic acid has greater antibacterial activity and is better absorbed after oral administration than the (+) isomers and the m-hydroxy analogues.  The (+) isomer of 6-(α-amino-p-hydroxyphenylacetamido)-penicillanic. acid is prepared by acylating 6-aminopenicillanic acid with the (+) epimer of the carboxylic acid of Formula (II) above. Also the (+) and- (-) epimers of 6 - (α - amino - m - hydroxyphenylacetamido) penicillanic acid are prepared using the mhydroxy isomers of the acylating acid.
Patent GB-1202955-A (GB)
Title: Machine tool adapted to perform a variety of machining operations
IPC: B23Q3/157
Filed: 1968-08-23
Abstract: 1,202,955. Lathes. KEARNEY & TRECKER CORP. 23 Aug., 1968 [25 Aug., 1967], No. 40444/68. Headings B3B and B3T. A machine tool adapted to perform a variety of machining operations with cutting tools comprises a frame 40, carried on a bed 11 and which supports a tool holding unit 45 on a slide 43, the tool holding unit being adapted to receive and support a stationary cutting tool or a rotary cutting tool and a workpiece holder for supporting a workpiece WP to permit operation thereon by either the rotary or stationary cutting tool. The tool holding unit has a spindle 71 which will accommodate a stationary or rotary cutting tool, the tools being selectively located in the spindle by a tool changer 63 which selects the appropriate tool from a magazine 62 and exchanges it for a tool in the spindle. The drive for the spindle 71 is effected from a motor 75 through gearing 76-79, and an engageable key and keyway 114, 115 is provided on the gear 78 and the tool unit housing 53 respectively to ensure that the spindle is stopped in a predetermined angular position. The tool holder shank 60 of a rotary cutting tool 60A is locatable in the spindle 71 by way of co-operating splines 99, 98 and tapered portions 104, 105 so as to be positively rotated with the spindle. The shank of the stationary cutting tool 60G has a tapered portion 101 which is shorter than that of the rotary cutting tool and engages with a complementary portion 102 in a clamping ring 103 secured to the housing 53, complementary key 110 and keyway 111 being provided to prevent any rotary movement of the tool shank. The cutting tools are held in the spindle by a spring and fluid-actuated draw bar mechanism 80 which has radially displaceable jaw members 87 which engage a flange 92 at the end of the tool shank. The workpiece holder is mountable on a headstock 12 which is displaceable along the bed by means of a motor-driven lead-screw 15, the workpiece being rotatable by a motor 20 by a belt and pulley drive 21, 22, through clutches 26, 28, 29, and gears 31, 32, 36, the clutches facilitating the disengagement of the drive and thereby clamping the workpiece spindle 17 against rotation depending on the machining operation to be performed. The tool holding unit 45 is pivotable through 90 degree about an axis at perpendicular to the slide 43 so that cutting tools may be presented for turning or facing operation. The pivoting action is effected by rotation and elevation of a shaft 54 which disengages a toothed coupling 55 and which is re-engaged when the full pivoting movement has been effected. A workpiece changing device 39 is incorporated with headstock 12.
Patent GB-1525404-A (GB)
Title: Coated cellulosic article and process for its manufacture
IPC: C09D189/00
Filed: 1975-10-03
Abstract: 1525404 Coating solution comprising coatings HOECHST AG 3 Oct 1975 [7 Oct 1974] 40564/75 Heading C3H [Also in Division B2] A solution for the coating of shaped articles of regenerated cellulose is obtained by mixing and subjecting to a dwell time an aqueous alkaline protein solution and an aqueous solution of 1 or more of N-methylolacrylamide, N-methylolmethacrylamide, an alkoxy derivative of either of these with an aliphatic alcohol having 1 to 8 carbon atoms or a compound of formula in which R 1  and R 2 , represent hydrogen or an alkyl group of 1 to 6 carbon atoms, and R 3  represents -(CH 2 ) n - where n is an integer from 1 to 8, or -CH-R 4  wherein R 4  is an alkyl group with 1 to 18 carbon atoms. The protein may be gelatine, zein, collagen, peanut protein or, preferably, casein. In one embodiment casein is dissolved in water to give a 9 to 15% solution and caused to swell. 55% of ammonia solution is added to produce a pH of 8 to 14. The mixture is then mixed with a 1 to 30% aqueous solution of, e.g. N-methylol-N,N<SP>1</SP>- methylene-bisacrylamide or N-methylol-N,N<SP>1</SP>- methylene-bismethacrylamide. The resulting mixture contains 5 to 10% by weight of the polyfunctional compound. The liquid is then subjected to a dwell time in the range 2 to 8 hours at room temperature until a viscosity of from 80 to 250 falling-ball seconds is obtained.