baber/WOPTO huggingface dataset:
Patent GB-1131923-A (GB)
Title: Coupling device for coupling a towing vehicle and a trailer
Inventor: BERTHOLD WALTER
IPC: B60D1/46
Filed: 1966-01-11
Abstract: 1,131,923. Trailer hitches. KLÍCKNERHUMBOLDT-DEUTZ A.G. 11 Jan., 1966, No. 1242/66. Heading A1P. A trailer hitch comprises a towing-hook 18 arranged on a two-armed lever 11 pivotally mounted at 10 on two draw-rods 6 which are vertically raised or lowered between guides 8 by arms 4 carried by the tractor power lift, the end of the twoarmed lever remote from the towing-hook supporting a roller 15 which bears against a lower face of the tractor due to the position of pivot 10. The towing-hook is mounted in a bore of the two-armed lever and may be rotated by overcoming a spring loaded bolt (22), Fig. 3 (not shown). In the raised position the towing-hook is normally closed by a stationary plate 26, but rotation of the hook through a predetermined angle, e.g. due to the trailer overturning, will open it. The plate 26 may be an arcuate segment having as its centre the pivoting axis of the draw-hook in the closed position.
Patent GB-1182671-A (GB)
Title: Products containing layers of oriented fibres and methods of manufacture of such products
IPC: B29C70/14
Filed: 1967-01-10
Abstract: 1,182,671. Coating. PIRELLI S.p.A. 10 Jan., 1967 [11 Jan., 1966], No. 1310/67. Heading B2E. [Also in Division B5] A reinforcing element consists of a support made of a vulcanizable, or curable composition and a layer of fibres permanently laid down in an oriented manner on at least a part of one surface of the support. The composition may be natural or synthetic rubber, synthetic, elastomeric, or plastomeric polymers. The fibres may be natural, artificial or synthetic non-metallic materials or of metallic materials. The support itself may contain fibres disposed randomly or oriented, and being fully incorporated and uniformly distributed in and/or throughout the support. The two groups of . fibres may be disposed to extend in the same or different directions. The fibres may have all the same length or be of two different lengths. The reinforcing element may be completed with the addition of a layer of uncured vulcanisable rubber laid upon the layer of oriented fibres. Another of the reinforcing elements may be laid over this vulcanisable layer such that the layer of fibres of this further element comes into contact with the layer. The further layer may also contain fibres disposed randomly or oriented. Two or more of the reinforcing elements may be superimposed such that the support of one unit is in contact with the layer of fibres of the adjacent unit or such that the layers of fibres are in contact with each other. In Figure 5 an adhesive material is applied as a coating to the exposed surface of the moving support 1 of uncured vulcanisable rubber by means 15. Fibres 2 falling from hopper 10 are carried to an electrostatic device 11 constituted by two earthed metal plates 12 and 13 and an accelerating grid 14 to which is applied high voltage electric current. The electrostatic device projects fibres upwardly against the adhesivecoated surface of the support in a direction perpendicular to the surface of the support. The fibres are then caused to be laid down and pressed against the adhesive-coated surface in an oriented manner by mechanical means 17 constituted by shoes, rollers, brushes. A layer 3 of uncured vulcanizable rubber is applied to the layer of laid down fibres 2 by means of a roller 16 coupled to roller 9. To improve the adhesion of two reinforcing elements to each other, the superimposed elements may be subjected to mechanical action, e.g. passage between rotating cylinders and/or treatment with static mechanical compression, hammering, brushing, punching. The reinforcing elements can be employed in the manufacture of any article intended to be provided with a reinforcing structure, e.g. a pneumatic tyre, hose, conveyor belt.
Patent GB-232332-A (GB)
Title: Improvements in the construction of roadway conduits for gas mains, electric conductors and the like
IPC: E01C11/22
Filed: 1924-01-17
Abstract: 232,332. Swanton, G. H., and Echberg, A. F. Jan. 17, 1924. Kerbs; draining channels.-A street kerb 16 and gutter 21 are formed integral with part of a conduit 2 for pipes, electric cables, &c., shoulders 8 being formed on the walls of the ccnduit for the reception of covering slabs 9. The width of the conduit may be regulated by means of insertion pieces 27. The wall 4, the base and the kerb and gutter may be formed in one piece.
Patent GB-822685-A (GB)
Title: Improvements in the production of vitamin a acid
Filed: 1958-01-15
Abstract: Vitamin A acid and its salts are obtained in a process which comprises bringing together b -ionol and a hydrohalide of an aryl phosphine in an organic solvent or solvent mixture which solvents do not react with the reactants under the conditions of the reaction, adding 4-methylhexadiene - 2,4 - al - 1 - acid - 6 and an acidbinding agent and acidifying if the free Vitamin A acid is to be formed. Triphenyl phosphine is preferred, but triaryl phosphines with tolyl and xylyl may be employed.  Suitable solvents are acetonitrile, dimethylformamide, chloroform, diethyl ether, dioxane, tetrahydrofurane, 2,5 - dimethyltetrahydrofurane, benzene, toluene, xylene, nitrobenzene and mixtures thereof.  As acid-binding agents there may be used alcoholates or hydroxides of alkali or alkaline earth metals.  The process is exemplified using the various acid-binding agents and solvents and as the reactions are exothermic, cooling is employed.  Specifications 784,628, 789,437 and 813,539 are referred to.
Patent GB-395718-A (GB)
Title: An improved method of producing coloured photographic images and kinematograph films
IPC: G03C7/28
Filed: 1931-11-16
Abstract: 395,718. Colour photographs. GASPAR, B., 38, Inns bruckerstrasse, Sch÷neberg, Berlin. Nov. 16, 1931, No. 1410/33. Divided on 397,159. [Class 98 (ii).] Photographic dyestuff images and kinematograph films are produced by treating a diffusely - coloured, photographic, metaldeposit image, free from metal halide, with an oxidizing agent which decolours the dyestuff at the points free of metal. Silver and mercury images are referred to. Suitable oxidizing agents are solutions of oxidizing acids, e.g. inorganic oxyacids or salts of such acids admixed with oxidizing or non-oxidizing acids. The oxidizing agent should not attack or colour the photographic layer itself. Suitable dyes are referred to. Examples of baths for silver images comprise : (1) Calcium hypochlorite, acetic acid and water, (2) potassium bromate, sodium chlorate, hydrochloric acid and water, and (3) potassium bromate, sulphuric acid, copper sulphate and water. Hardening agents, e.g. alum, may be added to the baths. Simultaneously with the destruction of the dyestuff, the silver image is converted into a salt, e.g. chlorate or bromate, which dissolves out, or a halide which may be removed in a diluted fixing-bath or may remain in the layer. Mixed tones may be obtained by employing a mixture of dyestuffs which are destroyed with varying rapidity, e.g. a mixture of Alizarine Blue and Diamine Fast-Pink G gives a violet colour in the deep shadows and a rose colour at the lighter points. Alternatively, a dye may be employed which changes colour with oxidation. The effectiveness of the baths may be enhanced by adding catalytically-acting salts, e.g. of vanadium, uranium, molybdenum or iron. The invention may be applied to differently-coloured and sensitized silver halide layers poured one on the other, e.g. a blue-coloured red-sensitive layer is poured on to a backing and is covered with a second red-coloured and green-sensitive emulsion over which is poured a yellow-coloured emulsion sensitive to blue. The dyestuffs may be fixed in the layer by means of a metal salt, e.g. of calcium. Films sensitized on both sides may be employed. The dyestuff may be applied to the sensitized or exposed layer. A number of colours may be impressed, sprayed, or otherwise applied on a support in the manner of a screen. When applied prior to exposure, the dyes may be admixed with sensitizers and filter dyestuffs, e.g. Filter Yellow, readily capable of removal, e.g. by washing. Specifications 203,358 and 249,530, [both in Class 98 (ii), Photographic processes &c.], are referred to.
Patent GB-304205-A (GB)
Title: Improvements in or relating to mixing machines
IPC: A21C1/14
Filed: 1928-06-01
Abstract: 304,205. Hobart Manufacturing Co., (Assignees of Johnston, H. L.). June 6, 1927, [Convention date]. Divided on 291,732. Drawings to Specification. Containers.-The invention claimed consists in the means described in Specification 291,732 for raising and lowering the bowl.
Patent GB-587812-A (GB)
Title: Improvements in and relating to dielectric wave guide systems
IPC: H01P1/08
Filed: 1945-01-17
Abstract: 587,812. Wave guides. BRITISH THOMSON-HOUSTON CO., Ltd. Jan. 17, 1945, No. 1460. Convention date, Jan. 22, 1944. [Classes 40 (iii) and 40 (v)] A wave guide is divided into sealed sections containing gas at different pressures by means of a transverse metallic wall formed with a resonant aperture which is sealed by vitreous means. A guide section 10 is sealed to a guide section 12, with the interposition of a wall 3 made of an iron, nickel, cobalt alloy, having an aperture 4, having its major dimension at right angles to the transverse electric component of the wave. The aperture is sealed by a window 5 of boron silicate glass, having the same coefficient of expansion as the wall 3. After sealing the glass to the wall, the surfaces are ground so that the window and wall are coplanar, thus having little phase extension along the guide. The resonant slot and window act as a parallel resonant circuit shunted across the line, and thus provide a reflectionless seal across the guide. When the amplitude of the wave increases above a initial amount, the voltage across the narrow dimension of the slot causes a discharge in the medium on the low-pressure side of the window causing rapid attenuation of the wave. A thin layer of glass 7 on the low-pressure side of the wall prevents sputtering on to the window by the discharge.
Patent GB-562410-A (GB)
Title: Improvements in or relating to dental moulds
IPC: A61C13/00
Filed: 1943-01-28
Abstract: 562,410. Dental flasks. ATTENBOROUGH, A. G. Jan. 28, 1943, No. 1474. [Class 87 (ii)] A dental flask comprises a metal baseplate 1 having an integral upstanding portion 2 and three metal plates 3, 4, 5 hinged to the baseplate. The three hinged plates correspond respectively to the teeth on the right, front and left of the jaw, and are locked in position by means of a yoke 12. A top 25 has a plug 26 removable for knocking out the plaster. Plaster retention holes 27 are provided in the bottom, sides and top. One or more of the three hinged plates may be divided into a plurality of plates. According to the Provisional Specification, the flask may comprise either two hinged metal members having projections or depressions for retaining plaster, or a base-plate having four sections hinged thereto.
Patent GB-536983-A (GB)
Title: Improvements in and relating to emergency electric lighting device
IPC: F21S9/02
Filed: 1940-01-25
Abstract: 536,983. Battery lamps. CREAN, J. P. Jan. 25, 1940, No. 1538. [Class 39 (ii)] [Also in Group XXXV] Emergency systems.-An emergency lighting unit comprises a box containing one or more accumulators 2 and an electromagnet 17 controlling a switch S in series with the accumulator and two voltage lamps 6. The voltage of the mains energizes the electromagnet the current through which maintains the battery charged. A manual switch for opening the lamp circuit and a second switch controlling an auxiliary battery charging circuit through a resistance or main circuit lamp may be housed in a compartment. The accumulator compartments have sponge rubber lining to absorb shocks and the box is suspended on springs. The lamps are mounted in shock absorbing holders and a fitting 28 may carry spare lamps. A rectifier may be included for A.C. systems.
Patent GB-365775-A (GB)
Title: Incandescent electric lamp for headlights on motor cars
IPC: H01K1/28
Filed: 1931-01-16
Abstract: 365,775. Electric incandescent lamps. ALBERS, W., 34, Kurf³rstenstrasse, Breslau, Germany. Jan. 16, 1931, No. 1554. Convention date, July 21, 1930. [Class 39 (ii).] In electric incandescent lamps for the headlights of motor cars, of the kind wherein part of the bulb is of coloured glass and two filaments arranged substantially in the longitudinal axis of the lamp are separated by a screw which allows the reflector to be flooded with light from the main filament and prevents white rays from the auxiliary filament from passing to the reflector the edge of the screen 8, Figs. 1 and 3, and the edge of a coloured portion 2 covering the surface of a segment opposite the cap 13 are situated on a conical surface which has the middle of the auxiliary filament 7 as apex and intersects the reflector 4 at such a distance from its edge that a wide zone on the outer edge of the reflector is flooded with coloured light from the auxiliary filament. The screen 8 may be opaque or of translucent coloured material or, as shown, it may comprise a small parabolic mirror made of conductive material mounted on a conductive support 15, one end of the auxiliary filament 7 being connected to the edge of the mirror by a wire, and the other end of the filament being connected to a conductive support 16 passing over the edge of the mirror. In a modification the coloured portion 18, Fig. 4, of the bulb is bulged inwardly and provided with a mirror foil 26 on its outer surface, with transparent coloured zones 22 extending from the edge of the mirror. With this arrangement coloured rays from the mirror 26 are reflected on to the large parabolic reflector of the lamp in addition to rays which pass thereto through the coloured zones 22. The coloured portions of the lamp bulbs may be of any colour, or white milk glass or translucent glass may be used, and the lateral parts thereof may be rendered opaque so that the dulled light is directed only on to the road.
Patent GB-523959-A (GB)
Title: Improvements in or relating to folding machines
IPC: B42C7/00
Filed: 1939-01-18
Abstract: 523,959. Folding edges of non - metallic sheet material. BRITISH UNITED SHOE MACHINERY CO., Ltd., BRAY, W. N., and HUSBANDS, T. G. Jan. 18, 1939, No. 1679. [Class 42 (i)] A machine is adapted for folding over the edge of a single sheet of leather &c. or for folding the leather &c. over the edge of a backing 204, Fig. 18, in the making of books &c. In the former case the leather is pushed over the table 22, Fig. 8, and bender 28 up to a stop 124, clamped by feet 86 and 116, and bent over by the bender 28 which rotates about the edge 32 ; the foot 86 moves out of the way when the bender has moved through 90 degrees. In the latter case the projecting edge of the leather &c. 202, Fig. 18, is bent upwards while the bender 28 is moving through the first 90 degrees, then the work is pushed forward until the backing 204 is close to the now vertical face of the bender, clamped again by the foot 116 and the bending over completed. The table 22 is pivoted at 24 and kept in normal position by springs 26, 27. The bender 28 has one horizontal face 31 and one slightly inclined face 29 either of which can be put into operative position in continuation of the top of the table 22. The bender has a fence or stop 124 for the work which is held frictionally by bolts and springs 120, 126 so that it can be easily put into and out of operation. The trunnions 34 of the bender are mounted in links 38 carried by eccentrics 40 on two parallel shafts 18, 20. Crank arms 54 on the trunnions are connected by links 58 to crank pins 60 on the eccentrics 40, the arrangement being such that on a half rotation of the shafts 18, 20 the bender makes a half rotation about the bending line 32, yet this bending line contains no obstruction for the work. The shafts 18, 20 are oscillated by pinions, a toothed sector, and an eccentric on the main shaft 14 which is driven from the pulley 47 through a clutch 46. This clutch is controlled by a pedal through a rod 62 and lever 66 rocking about a pivot 65. When the pedal is depressed, the clutch 46 and the bender 28 rotate through 90 degrees and are then arrested. Release of the pedal allows the clutch to rotate another 2.70 degrees and the bender to be moved to complete the folding over and to return to its original position. The presser foot 116 consists of a number of springy sections carried by a frame 92 pivoted at 93 and operated by a spring 95 and a second pedal through a rod 94. The creaser foot 86 is pivoted at 91 to the frame 92 and pulled down to the work by a spring 99. The foot 86 is lifted out of the way during the rotation of the bender 28 through its second 90 degrees by a link 100 pivoted to one of the eccentric strap links 38. When a lever 109, Fig. 14, is moved so that it clears a pin 111 on the frame 92, this frame and the feet 86, 116 can be lifted clear of the table, but the lower end 113 of the lever then prevents the engaging of the clutch 46. The table 22 may have a metal face 80, Fig. 17, stretched over a rubber &c. backing 78.
Patent GB-1537011-A (GB)
Title: Water-dispersible composition and process for its production
IPC: A23L1/00
Filed: 1977-01-18
Abstract: 1537011 Edible water-dispersible compositions SOC DES PRODUITS NESTLE SA 18 Jan 1977 [13 Feb 1976] 01908/77 Heading A2B An edible water-dispersible composition comprises co-agglomerated particles of a non- dispersible material with SiO 2 , the particles being coated with an edible fat. The coagglomerates may be made by subjecting particles of the non-dispersible material and SiO 2  to high shear mixing. The SiO 2  may have a particle size of less than 5 microns and is used in a quantity of up to 8% based on the non-dispersible material. The non-dispersible material may have a particle size of up to 100 microns and may be e.g. pregelatinised starch, dehydrated cheddar cheese, wheat flour, dried pea powder, skimmed milk powder, buttermilk powder, soy protein isolate, non-dairy cream powder, cocoa powder, sodium caseinate, or xanthan gum. The fat may be used in quantities of 5-30% based on the weight of co-agglomerate and may be corn, cotton seed or soybean oil or an animal fat. The fat may be used as an emulsion with glycerol in a ratio of 1:1 to 1:4. Lecithin or mono- or di-glyceride emulsifiers may be used. Also present may be sugar, salt, flavourings, spices, and dehydrated vegetables. Examples relate to "powdered cream instant soup", a milk shake premix, cocoa compositions and water dispersible buttermilk. The compositions are also stated to be used in water-dispersible food thickeners; soup, gravy and pudding mixes; salad dressings; and malted milk and other beverage mixes.
Patent GB-711246-A (GB)
Title: Process of producing insulin crystals with increased metal content
IPC: C07K14/62
Filed: 1952-01-24
Abstract: Insulin crystals with a metal content above 0.16, and preferably above 0.25, milliequivalents per gram of crystal, are prepared by contacting crystalline insulin with an aqueous medium in which insulin crystals are insoluble or difficultly soluble and which has such a content of at least one of the metals zinc, cobalt, nickel, cadmium, copper, manganese and iron and such a pH value that the crystalline insulin takes up metal from the medium, and then separating it.  Insulin crystals may be suspended in an aqueous medium containing one or more of the above metals in the form of a salt such as chloride, sulphate, nitrate, acetate or citrate, a hydroxide, oxide, metal complex or metal per se and having, or being adjusted to, a pH 2 to 9 and preferably 5 to 8 and especially 6 to 7, provided substances suppressing the solubility of the crystals are not present.  The metal content of the medium is above 5 x A x 10-3 milliequivalents per litre, "A" designating the number of international units of insulin per mil of suspension.  The pH is maintained by buffers such as acetate, borate, citrate, diethyl barbiturate, phosphate and maleate buffers, or mixtures thereof. Nitrate and phosphate buffers are not suitable for zinc-insulin crystals; but a phosphate buffer may be used for nickel-insulin crystals. Alternatively, insulin may be crystallized in an aqueous medium and insulin crystals of increased metal content produced by (a) adding the desired metal or metals, (b) changing the pH of the medium or (c) combining (a) and (b).  Specification 709,927 is referred to.
Patent GB-590912-A (GB)
Title: Improvements in or relating to looms with automatic shuttle changing means
IPC: D03D45/34
Filed: 1945-01-25
Abstract: 590,912. Shuttle-changing mechanism. AKT.- GES. DER EISEN-UND STAHLWERKE VORM. G. FISCHER. Jan. 25, 1945, No 2035. Convention date, Jan. 18, 1944. [Class 142 (iii)] A device for preventing the effecting of shuttle-changing with improper positioning of the shuttle in a loom having automatic shuttle changing means, comprises an element which is pivoted to the liftable shuttle box front wall and is constructed so as to function both as a shuttle feeler lever and as a member of mechanism for locking the shuttle box front wall when the shuttle is improperly positioned, means being provided to keep the shuttle feeler lever out of the path of the shuttle when the shuttle box front wall is closed. In the form shown in Figs. 1 and 2, a spring-influenced shuttle feeler lever 27, 29, is pivoted to the shuttle box front wall 10 and comprises a shuttle feeler member 30 and a tongue 31 which forms part of a locking mechanism the other part being formed by a picker retractor 15 which is mounted for longitudinal and transverse pivotal movement relative to a shaft 2 carried by the shuttle box plate 1. When shuttle changing is initiated and the shuttle is properly positioned, Fig. 7 (not shown), the shuttle is contacted by the feeler member 30 to prevent the tongue 31 from being locked by the picker retractor 15 so that the shuttle box front wall 10 can continue its lifting movement. If, however, the shuttle is not properly positioned, Fig. 9 (not shown), the member 30 enters into the path of the shuttle so that the tongue 31 is locked by the picker retractor 15 and the shuttle box front wall is locked against further lifting movement. In a modification, Fig. 13, a nose 69 on a spring-influenced lever pivoted to the shuttle box front wall 56 has an inclined lower face 70 which slides across a roller 71 carried by the shuttle box plate 48 and if the shuttle is not properly positioned for shuttle changing, the nose 69 projects under a nose 74 provided on the box plate 48 to lock the shuttle box front wall against further lifting movement.
Patent GB-537443-A (GB)
Title: Improvements in scaffold clamps
IPC: E04G7/18
Filed: 1940-02-03
Abstract: 537,443. Scaffold clamps. SCAFFOLDING (GREAT BRITAIN), Ltd. and JONES, D. H., Feb. 3, 1940. No. 2148. [Class 20 (ii)] A scaffolding clamp of the kind described in Specification 444,215, comprising a U-shaped clamping band 5 to embrace one scaffold member 3 and recesses in its side to receive a second scaffold member 4 disposed at an angle to the first, has the clamping screw 7 disposed in. a separable plate 6 between the horns of the band so that it does not project beyond the clamp. The direction of thrust of the screw is so arranged as to be inwards and downwards to press the scaffold members together and at the same time to press one member on to the bases 53 of the recesses. Specification 460,315 also is referred to.