baber/WOPTO huggingface dataset:
Patent GB-931219-A (GB)
Title: Flexible foil-like webs and methods of making the same
IPC: C09J7/30
Filed: 1961-11-27
Abstract: 931,219. Coated fabrics. ETABLISSEMENTS D. DUCARIN. Nov. 27, 1961 [Nov. 28, 1960], No. 42383/61. Class 140. A filament-reinforced flexible foil-like web comprises a large-mesh lattice material consisting of artificial or synthetic filaments or threads in which the openings of the lattice have an area of at least 1 sq. mm. and are each closed by a thin skin of an elastomeric material. The term " thin " is defined as meaning that the thickness of the skin at the centre of the meshes is substantially less than the thickness of the supporting lattice material. The lattice material may consist of superimposed unwoven warp and weft threads. The warp threads 1 may consist of vegetable, animal, mineral, artificial or synthetic filaments and the weft threads 2 may be any suitable textile threads e.g. of viscose rayon or glass. The filament or thread spacings (warp and weft) of the lattice material may be at least 1 mm. and preferably 2 to 4 mm. The skin 3 of elastomeric material may consist of natural or artificial rubber, e.g. butyl rubber or butadiene-acrylonitrile or other elastomeric plastic, e.g. polyvinyl chloride, or a mixture thereof, and may be applied as a paste, latex or dispersion. The elastomeric material may contain age resistors, modifiers, e.g. thermosetting resin, curing agents, accelerators, pigments, dyestuffs, flame or water-proofing or preserving agents, and fibre dust or flakes. One side of the web may be provided with an adhesive 8, advantageously a pressure-sensitive adhesive, and the other side may be provided with an adhesiverepelling layer 7, e.g. based on silicone or polyvinyl stearate.
Patent GB-921378-A (GB)
Title: Improvements in or relating to continuous envelope assemblies
Inventor: MALLETT RONALD ARTHUR
IPC: B65D27/10
Filed: 1960-12-09
Abstract: 921,378. Envelopes. LAMSON PARAGON Ltd. Dec. 8, 1961 [Dec. 9, 1960], No. 42485/60. Class 146 (2). A continuous envelope assembly comprises a pair of webs 2, 3, one wider than the other and the wider having marginal feed perforations 9, the extending portion 8 constitutes a flap which may be tucked in a pocket formed by a further narrow strip 12 which is secured to the outside face of the web 2 by pasting along three lines 14 of a rectangle. The flap 8 may have angled lines of weakness 15 enabling the corners to be folded so that it may be folded easily into the pocket. The flap 8 may have a line of paste 16 to enable the flap to be secured in the pocket. In a modification, Fig. 3 (not shown), the strip 12 is applied to the front web 2 a distance spaced from the mouth of the flap equivalent to the depth of the flap. The flap constituted by the rear web 3 is first folded and stuck to the web 2, then both are folded to the pocket formed by the strip 12.
Patent GB-1272504-A (GB)
Title: Tank for bulk material
IPC: A01F12/50
Filed: 1970-09-04
Abstract: 1,272,504. Tipping containers. DEERE & CO. 4 Sept., 1970 [5 Sept., 1969; 10 Oct., 1969], No. 42602/70. Heading B8E. [Also in Division A1] The grain tank of a combine harvester is fitted with a sensing device to actuate the tipping of the tank by an amount related to the quantity of material in the tank. The tank 14 can pivot in the direction of travel about a hinge 12 and is fitted with a discharge screw 16 situated in a trough 15. A sensing device comprising a plate 18 mounted on a rod 20 is pivotally connected to the wall 22 of the tank, with a rod 32 pivoted to the rod 20 extending into an hydraulic valve 24 such that it is displaceable axially against a spring 26. The rod 32 is arranged to abut the piston 40 of the valve 24 when the plate 18 has moved a definite distance. When the tank 14 is full, the plate 18 is subjected to a pressure, under which the rod 32 and spring 26 adjust the valve 24 to a neutral position. To empty the tank, the drive of the discharge screw 16 is switched on and the main valve 46 is set to "lift", so that the pressure fluid flows from the pump 58 via 54 to the valve 24 and via 50 back to the fluid tank 52. When the tank 14 has been emptied to such an extent that the load is removed from the plate 18, the rod 32 moves away from the piston 40 and the valve 24 is actuated so that pressure fluid passes from the pump 58 along lines 60, 54 and 43 into a lifting cylinder 44 on each side of the tank. The tank is thus tipped about 12 until the plate 18 is again acted upon and the valve 24 is reset in its neutral position. The process is continued until the tank is emptied, when the main valve 56 is set to "lower" and the tank resumes its horizontal position. The sensitivity of the sensing device is adjustable in accordance with the specific gravity of the lightest material to be put in the tank. In a second embodiment, Fig. 5, the tank is in two parts, one part 70 secured to the harvester and the other 72 tippable about a hinge 12a. The operating procedure is as before. Strips of rubber 82 are fixed to the walls 78, 79 of the tippable part 72 to form a seal between the two parts of the tank. In other embodiments, the valve 24 can be operated electromagnetically by a relay, or by photo-cells or like devices measuring the volume of material in the tank.
Patent GB-1025763-A (GB)
Title: An improved hydraulic control system for vehicle-borne equipment and implements
IPC: A01B63/112
Filed: 1962-11-12
Abstract: 1,025,763. Tractor power lift mechanisms. INTERNATIONAL HARVESTER CO. Nov. 12, 1962 [Dec. 4, 1961], No. 42629/62. Heading A1P. A tractor power lift linkage having automatic draft control operated from the upper link 2 of the linkage through a torsion spring 7 and linkage 10, 9 and 16 to actuate a shade valve 31 is characterised in that the supply of pressure fluid for raising the operating ram is delayed after operation of the valve 31 by a damped piston arrangement 38. In the neutral position shown fluid supplied from the pump 43 through conduit 30 to the cylinder 24 operates piston 38 to hold a spring-biased valve 41 open whereby fluid is returned through the valve and conduit 47 to the reservoir. For lifting, the valve 31 is moved to the left and pressure builds up in conduits 30 and 22 to operate valve 36 and so supply fluid to the ram 50. A time lag is incorporated in this operation since the valve 41, connecting the pressure fluid to reservoir, is held open by piston 38 until the fluid in cylinder 24 has exhausted through a restricted conduit 39.
Patent GB-1025559-A (GB)
Title: Cathode ray tubes having protective film coatings
IPC: H01J29/87
Filed: 1963-10-29
Abstract: 1,025,559. Cathode-ray tubes. MONSANTO CO. Oct. 29, 1963 [Oct. 30, 1962 (2)], No. 42660/63. Heading H1D. [Also in Division B5] An implosion protective film applied to the face of a cathode-ray tube comprises a plasticized polyvinyl acetal resin, e.g. polyvinyl butyral, having a flow rating, as defined with reference to the use of a Tinius-Olson flow meter in accordance with U.S. Standards publication ASTM D 569-48, of between 0À01 and 0À5 at temperatures between 80‹ and 120‹ C. The plasticizer is triethylene glycol di-(2-ethyl butyrate), dibutyl sebacate, dibutyl cellosolve adipate or dioctyl phthalate present in a proportion of 8 to 26% by weight, preferably 13 to 23%. An outer protective cover of glass, polymethacrylic ester, cellulose acetate butyrate or polyethylene terephthalate may be provided. Preferably in applying the polyvinyl acetal film to the tube face, liquid plasticizer is coated either on the tube face or on the surface of a film of plasticized or unplasticized polyvinyl acetal. Phenol stabilizers and inhibitors and azo, anthraquinone or carbon black colourants may be incorporated in the polyvinyl acetal film.
Patent GB-975941-A (GB)
Title: Transmission systems incorporating variable-ratio epicyclic gears
IPC: F16H3/66
Filed: 1960-12-12
Abstract: 975,941. Variable-speed epicyclic gear. REGIE NATIONALE DES USINES RENAULT. Dec. 12, 1960 [Dec. 16, 1959], No. 42674/60. Heading F2D. Epicyclic gearing.for a front-axledrive, front-engined vehicle, or for a rear - axle - drive, rear - engined vehicle, having the epicyclic gearing disposed on the opposite side of the final reduction and differential gearing to the engine, comprises three identical epicyclic trains, the number of teeth of the respective sun, planet and ring gears being the same. The engine drives a pump 112 of an hydraulic torque converter, the turbine 113 of which drives a shaft 116 which is splined to a drum 118 fast with the ring gear 119 of the first epicyclic train. The planet pinions 128, 142 of the first and second trains are mounted on a common carrier 120 fast with the ring gear 140 of third train and with the output shaft. The sun 143 of the second train is fast with the planet carrier 138 of the third train and is stationed by a brake 147 to give first gear. The suns 125, 136 of the first and third trains are permanently connected and are stationed by a brake 135 for second gear. A multiplate clutch 149 connects the input drum 118 to the carrier 120 for direct drive. The ring gear 144 of the second train is stationed by a brake 146 for reverse.
Patent GB-910141-A (GB)
Title: A process for the catalytic and selective decomposition of formic acid
IPC: C07C53/08
Filed: 1960-12-13
Abstract: Formic acid in a mixture containing one or more C2-8 aliphatic carboxylic acids is selectively decomposed by contacting the mixture, at 80 DEG -220 DEG C. in the vapour phase and in the presence of molecular oxygen, with a catalyst containing 0.05 to 5% by weight (based on the carrier) of platinum on an alumina carrier, the carrier having a non-acidic or scarcely acidic surface and a specific surface area of 20 to 400 sq.m./g. Specifications 737,439, 820,693, 844,598 and U.S.A.  Specification 2,656,379 are referred to.
Patent GB-1487758-A (GB)
Title: Method for the continuous production of rollable surface covering materials
IPC: B44C1/10
Filed: 1974-10-03
Abstract: 1487758 Coating SPRELA-WERKE SPREMBERG VEB 3 Oct 1974 [5 Oct 1973] 42917/74 Heading B2E [Also in Division B5] A method for the continuous production of a rollable surface covering material having a finished surface comprises coating one face of a smooth or embossed paper or fabric web with catalysed polyester resin, applying a measured amount of an accelerator. dissolved either in unsaturated polyester resin or in styrene to the other face of the web, rolling the wet web up between separating means e.g. sheets and hardening the web in the roll by the exothermic reaction which takes place. Example 1 describes a method according to the invention wherein a decorative paper is coated on one face with an unsaturated polyester resin and on the other face with an unsaturated polyester resin mixed with an accelerator.
Patent GB-1110497-A (GB)
Title: Valve train components
IPC: F01L3/02
Filed: 1966-09-28
Abstract: An I.C. engine valve train component has at least its bearing surface portions made of a ferrous alloy having the following composition:-% by weight carbon 3.00-3.55, silicon 2.00-2.90, manganese 0.70-1.10, nickel 0.15-0.70, chromium 0.40-1.25, molybdenum 0.15-0.70, tungsten 0.50-10.00 balance iron and impurities.  The components may be cam-shafts, tappets or rocker arms formed completely of the alloy. Alternatively the bearing surface portions only may be formed of the alloy.  An exemplary heat treatment is 1580 DEG F. for about 30 minutes and quenching in oil.
Patent GB-1090200-A (GB)
Title: Motor vehicle exhaust pipe mounts
IPC: F16L25/04
Filed: 1966-09-29
Abstract: 1,090,200. Motor vehicle exhaust pipe mounts. GENERAL MOTORS CORPORATION. Sept. 29, 1966 [Oct. 5, 1965 (2)], No. 43498/66. Heading B7H. A motor vehicle exhaust pipe mount comprises a looped flexible strap one portion of which is frictionally but movably engaged with a bracket secured to the vehicle body, and another portion of which carries a bracket secured to the exhaust pipe. In one embodiment, Figs. 1-4 (only Fig. 4 shown), the strap 30 comprises tyre carcass material and engages a rubber sleeve 25 retained between the bracket 22 and the vehicle body (18) to which the bracket 22 is bolted at 24, and the ends (33), (34) of the strap 30 are riveted at 38 to an L- bracket 36 which is secured by a U-bolt 44 and a saddle 42 to the silencer pipe 14. In another embodiment, Figs. 5-8 (not shown), the strap (140) passes through a pair of parallel slots (134) formed in a bracket (126) which is secured by a tab (128) and screw (130) to the vehicle frame (18), and the ends (142), (144) of the strap (140) are riveted at (148) to an L-bracket (146) which is clamped at (154) to the exhaust pipe (16). The clamp (154) is located on the bracket (146) by a tab (158) and extends around the exhaust pipe (16).
Patent GB-1396530-A (GB)
Title: Light-sensitive compositions and reproduction materials including such compositions
Inventor: RUCKERT HANS
IPC: G03C1/72
Filed: 1972-09-22
Abstract: 1396530 Light-sensitive materials and processes HOECHST AG 22 Sept 1972 [25 Sept 1971] 43981/72 Headings G2C and G2X [Also in Division C3] A light-sensitive material for producing positive- or negative-working printing plates comprises a mixture of (a) an o-quinone diazide (preferably an o-naphthoquinone diazide) sulphonic ester or amide and (b) a condensation product of a diazonium salt as set out in Specifications 1312925, 1312926 and 1302717 but containing at least two units of the general type A-D. Preferably the ratio of (a) to (b) is such that are 0.5 to 4 quinone diazide groups per diazonium salt group. In the examples, the material may be admixed with a dye or a polymer (e.g. a phenolic, epoxy or alkyd resin, polyvinyl acetate or styrene/maleic anhydride copolymer) and coated on a support which may be a bi-or tri-metallic support. The coated material is imagewise exposed and developed with alkali or acid to give negative and positive printing plates respectively. The developer, especially the acid developer, may be ad mixed with organic solvents (e.g. alcohols). The developed plates (especially the positive plates) may be uniformly exposed to light to harden the resist. Alternatively, a pigmented image may be produced by adding polyvinyl ethyl ether to the material, imagewise exposing and developing with acid or alkali and applying carbon black or a luminous pigment which adheres to the remaining areas (c.f. Examples 15 and 16). Best results are achieved if alkaline development is used. The remaining resist, after development, may be removed with an alkaline developer containing 10% dimethyl formamide (DMF) or a mixture of ethyl acetate, benzyl alcohol and methylene chloride (c.f. Example 3) or an acid or alkaline developer containing DMF, butyrolactone or ethylene glycol monomethyl ether (c.f. Example 6).
Patent GB-1101667-A (GB)
Title: A new or improved bale collector
Inventor: BROWN ALAN GRAY
IPC: A01D85/00
Filed: 1963-11-12
Abstract: 1,101,667. Bale collecting trailers. BROWN'S AGRICULTURAL MACHINERY CO. Ltd. 10 Nov., 1964 [12 Nov., 1963], No. 44523/63. Heading B5F. Bales are fed from a baler (not shown) on to a bale collector having a platform 12 on which the bales are disposed in a predetermined array by means of a pusher rod 28, a further pusher rod 30 being operative, when a predetermined number of bales is disposed on the platform, to transfer the bales to the ground. The pusher rods 28, 30 are driven by a motor 46. The pusher rod 28 is operated by drive mechanism 54 (Fig. 4, not shown) to move the first and third pairs of bales to one side of the platform and the second and fourth pairs to the other side. The pusher rod 30 is carried by endless chains 20, 22 which also carry a bale-retaining bar 31. Drive to the pusher rods 28, 30 is controlled by clutches 50, 66 respectively (Fig. 2, not shown) the clutches being actuated by latch members 32, (48), Fig. 5 (not shown) and 64 respectively, engaged by the bales. Spring loaded flaps 84, 86 hold the bales in a horizontal condition on the platform 12. Guide bars 38, 40 direct the bales into a compact array as they are discharged on to the ground.
Patent GB-1392057-A (GB)
Title: Compacting hay wagon
IPC: A01D85/00
Filed: 1972-09-27
Abstract: 1392057 Compressing hay EZRA C LUNDAHL Inc 27 Sept 1972 [9 March 1972] 44701/72 Heading B5F [Also in Division B8] A vehicle 2 for collecting and loading hay which is compressed into a self-sustaining stack comprises a rake 36 which picks up hay which is blown by a blower 38 through a telescopic shoot 34, 32, and an opening 30 into the container of the vehicle which is telescoped to compress the hay into a stack with both vertical and horizontal pressure. The load platform 10 has stanchions 12 within which can be slid a compacting load 20, Fig. 2, comprising a flat top 20 and hinged side walls attached by anchors 74 to a continuous cable 40 of the actuating mechanism which cable is anchored at anchored at its ends to points 56, 72, Fig. 6, on operating fluid cyclinders 42, 44, and passes over the intermediate pulleys in the path shown. Extension of the piston rods 46, 48 draws the hood down and because the pulleys 62 are offset inwards of the stanchions 12 the side walls 24 are pivoted inwards as the hood decends so that it exerts a horizontal as well as a vertical force on the load. The compression is repeated as the vehicle is loaded until a self sustaining stack is formed. The horizontal compressing component may be varied by moving the pulley 62 in or out as by a bolt and slot mounting or attachment to actuating fluid cylinder piston. The tail gate 18, Fig. 2, is pivotable or removable while the rear wall 88, Fig, 8, of the hood can be pivoted upwards by fluid cylinders 96 so that the formed stack can be unloaded by operation of endless conveyers 98 on the platform 10. As the hood 20 descends the shoots 32, 34 telescope and this may be assisted by interposed rollers.
Patent GB-1263109-A (GB)
Title: Improvements in or relating to delay lines for travelling wave tubes
IPC: H01J23/24
Filed: 1969-09-11
Abstract: 1,263,109. Slow-wave structures. SIEMENS A.G. 11 Sept., 1969 [12 Sept., 1968], No. 44815/69. Heading H1D. A slow-wave structure for a travelling-wave tube is formed by a sequence of metal cylinders 3 supported by stubs 2 extending alternately from diametrically opposite portions of the tube 1, together with interposed annular or partannular diaphragms 4 which both have an inner radius greater than the outer radius of the cylinders 3 and extend peripherally over at least the greater part of the part-annular coupling openings formed in the axial direction by the side walls of the stubs, the wall of the tube 1, and the outer surface of the cylinders 3.
Patent GB-1040919-A (GB)
Title: Paper-holding roller for typewriters or like machines
IPC: B41J13/20
Filed: 1964-11-04
Abstract: 1,040,919. Rollers; bearings; retaining rollers on rods, OLYMPIA WERKE A.G. Nov. 4, 1964 [Nov. 13, 1963], No. 44932/64. Headings F2A and F2U. In a typewriter or like machine, a paperholding roller rotatable and axially displaceable on a graduated rod 6 and guiding the paper on the platen above the line being typed comprises two plastics members 2 3, which are mounted on the rod with only small radial clearance, are spigoted together so as to enclose a circlip 7 axially positioning the roller on the rod, and have injection-moulded thereover a common plastics cover 4 with a smooth or rough surface. A spigot and a recess respectively of the members 2, 3 have such axial dimensions that when on assembly the circlip is placed in the recess and the members 2, 3 are pressed together a cavity 5 remains to allow the roller freedom of movement with respect to the circlip.
Patent GB-1314304-A (GB)
IPC: G01C19/28
Filed: 1971-09-27
Abstract: 1314304 Measuring altitude of gyroscope rotor; gyroscopes NORTH AMERICAN ROCKWELL CORP 27 Sept 1971 [12 Nov 1970] 44977/71 Headings G1C and G1N A gyroscope comprises an evacuated housing containing a set of fixed electrodes within which an electrostatically levitated ball spins with its geometric centre displaced laterally from the spin axis so that the ball orbits at the spin frequency, servo means for establishing and controlling electric fields between the electrodes and the ball which fields are modulated by the orbiting ball at the spin frequency, means for detecting the modulated fields and deriving therefrom three signals representing mutually orthogonal components of a first vector and three other signals representing mutually orthogonal components of a second vector displaced 90 degrees from the first vector, both said vectors lying in the orbit plane of the ball, and means for forming a vector cross-product from the signals which comprises the direction cosines of the spin axis with respect to the levitation electrodes. Constructional details. The ball is made of beryllium and has tantalum plating on one side to unbalance it. Eight octantal levitation electrodes are arranged in four non-orthogonal pairs on a notional sphere, the angles between the pairs being about 110 degrees, Fig. 2 (not shown). Levitation servos and pick-offs, Fig.4. Each pair of electrodes is fed with bias current 2i 0  from a generator 17 connected to a centre tap on a winding of transformer 41, and with a servo current is coupled through the transformer 41. A cancellation circuit 16 removes the servo current contribution from the pick-off output signal. Demodulation and cross-product circuits. The four pick-off output signals are demodulated in respective sample-and-hold circuits, Fig. 5 (not shown) to produce signals lagging the orbit vector by 11 degrees. These signals D 1 , D 2 , D 3 , D 4 , Fig. 7, are summed as shown to give three signals D x , D y , D z  and a calibration checking signal n which should be zero. The D x , D y , D z  and n signals are synchronously detected against sine and cosine reference signals from a variable frequency oscillator 91 whose frequency is controlled to be the same as or very near to the ball spin frequency. Adjustable bias 111 allows a desired slip frequency to be set. The six signals thus derived from the D x , D y , and D z  signals represent the components of the two vectors. The vector cross-product is formed by multipliers 70-75 and differential amplifiers 80, 81 and 82, arranged as shown, to provide the three direction cosine signals w x , w y  and w z . The two signals derived from the n signal and three more signals from combinations of second order terms derived from the D x , D y  and D z  signals, Fig. 11 (not shown) are used for selfcalibration (not explained in detail).