baber/WOPTO huggingface dataset:
Patent GB-533664-A (GB)
Title: Improvements in or relating to load carriers for conveyor systems
IPC: B65G47/61
Filed: 1939-10-26
Abstract: 533,664. Conveyers. KING, Ltd., G. W., and KING, D. M. Oct. 26, 1939, No. 28773 [Class 78 (i)]. Article-carriers A, suspended by links B form endless conveyers, are lowered over loads so that the latter tilt the pivoted carriers C upwards about the pivots D into the dotted line position. When the the loads pass beyond the carriers, the latter are restored by gravity or springs to the horizontal position to form positive supports for the loads. In a modified form the tiltable carriers are fitted with trunnions which turn in the frame members of the carrier. At the unloading station the loads are raised and supported from underneath while the carriers pass on and leave them behind.
Patent GB-250125-A (GB)
Title: Improvements in or relating to apparatus for heating bitumen or the like
IPC: C10C3/12
Filed: 1925-11-14
Abstract: 250,125. Johnston, J. M. T. Nov. 14, 1925. Cauldrons.-Apparatus for heating bitumen, as described in Specification 192,458, is provided with two or more pans 5, 6 for the material, and flue tubes 13, 14 extending across the pans to form a grid-like melting surface for the stiff or solid material. In the construction shown, the pans have a single bottom plate of sinuous form with a central furnace space 15. Each pan has a number of parallel flue tubes extending across the top and inclined downwardly to lead into the furnace space 15, so that the stiffer material tends to accumulate at the central or hottest part of the furnace crown. The pans are connected by a pipe 12 and have a common draw-off cock 31. Dampers 16, 17 control the flow of gases through the tubes, and dampers 20, 21 control the flow of gases round the pans to the uptake 11. The tubes are cleaned through openings 25 closed by sliding covers 26 and the interiors of the pans can be cleaned through openings 28.
Patent GB-702625-A (GB)
Title: A process for making a stereoscopic pair of photographs
IPC: G03C9/00
Filed: 1951-12-07
Abstract: 702,625. Stereoscopic photography. REIJNDERS, F. H. Dec. 7, 1951, No. 28784/51. Class 98(2) A method of making a stereoscopic pair of photographs comprises placing foreground representation or objects in front of background representation, taking one photograph, moving the background laterally relatively to the foreground and camera and any objects between the foreground and background by an amount which is a fraction of the background movement in the proportion of the object-foreground to the distance foregroundbackground distance and taking a second photograph. Preferably the shift of the background is between 0.5 and 2 per cent of the distance from the foreground and desirably is about 1.05 per cent. The different eye views of the stereoscopic pairs so produced are preferably projected on to a screen'through separate polarizing filters having their polarizing axes at right angles and are viewed through a pair of appropriate polarizing filters to give a stereo effect, the foreground elements appearing in the plane of the screen with all the other elements behind it.
Patent GB-142072-A (GB)
Title: Improvements in and relating to automobile fenders
IPC: B60R19/16
Filed: 1919-11-20
Abstract: 142,072. Luttinger, W. G. April 23, 1919, [Convention date]. Obstruction - removers.- An obstruction-remover or fender for motor-vehicles comprises a pair of horizontal pivoted arms 20 which are normally held in alinement by means of springs 28 with their inner ends in contact and resting against a resilient stop 24. The arms 20 are provided with ears 18 by which they are pivoted at 30 to arms 14 extending from a bracket 12 secured to the vehicle and carrying the stop 24. The impact of a central blow is absorbed by the resilient stop 24, while a side blow causes the arm struck to turn about its pivot 30 and deflect the obstacle to the side, after which, the spring 28 connected to eye-bolts 26 on the arms 20 and brackets 12 returns the arm to its normal position.
Patent GB-708564-A (GB)
Title: Process for the manufacture of solutions of 2-aminonaphthalene in organic solvents
Filed: 1951-12-10
Abstract: Solutions of beta-naphthylamine in organic solvents are prepared by heating 2-amino-naphthalene-1-sulphonic acid in the presence of an organic solvent with less than one molecular proportion of aqueous sulphuric acid at a temperature of 110-135 DEG  C. and converting the resulting sulphate of 2-aminonaphthalene to the free base.  The organic solvent and the concentration of the sulphuric acid are preferably chosen so that the boiling-point of the mixture is above 110 DEG  C., but they may also be such that the boiling-point is below 110 DEG  C., in which case it is necessary to work at above atmospheric pressure. Suitably the reaction is initiated with 0.25-0.5 molecular proportions of aqueous sulphuric acid which is maintained at a concentration below 80 per cent throughout the hydrolysis. Sulphuric acid is formed during the reaction and it is therefore necessary to add water if the concentration is to be kept constant, which may be arranged by hydrolysing in a circulatory distillation apparatus to allow addition or removal of water to keep the boiling temperature constantly between 120 DEG  and 130 DEG  C. The 2-aminonaphthalene-sulphate is converted to the base in situ by adding a solution or suspension of an alkali metal or alkaline earth metal hydroxide or carbonate.  The aqueous layer is separated from the product and the remaining water removed by azeotropic distillation.  Examples are given in which the specified organic solvents are chlorobenzene, o-dichlorobenzene and toluene.
Patent GB-1197133-A (GB)
Title: Chlorine-Containing Polymer Compositions of Improved Heat Stability
Inventor: DUNCAN FREDERIC JAMES
IPC: C08K3/32
Filed: 1968-06-18
Abstract: 1,197,133. Stabilized chlorine-containing polymers. IMPERIAL CHEMICAL INDUSTRIES Ltd. 14 April, 1969 [18 June, 1968], No. 29015/68. Heading C3P. Homopolymers of vinylidene chloride or copolymers of 50% or more by weight of vinylidene chloride are stabilized by incorporation of lead pyrophosphate. A polyhydric alcohol having at least 3 carbon atoms, e.g. pentaerythritol, may also be present. Specified copolymerizable monomers are vinyl chloride, vinyl acetate, acrylonitrile and esters of acrylic or methacrylic acids.
Patent GB-504044-A (GB)
Title: Improvements in combined high and low water alarms for boilers
IPC: F22B37/42
Filed: 1937-10-25
Abstract: 504,044. High and low water alarms. HOPKINSONS, Ltd., and BROWN, R. I., Oct. 25, 1937 No. 29061. [Class 135] In a combined high and low water alarm for boilers as described for example in Specification 436,174, [Group XVIII], and comprising a spindle b which, through arms f, is given a part rotary movement by the rise and fall of a float a, located in a vessel c communicating with the boiler, to operate disc valves c, d controlling the alarms, the float is balanced by a counterweight h which is disposed between the arms f, and is fulcrummed at i in a fixed bracket j and also pivotally connected to a sleeve m rotatably associated with the spindle b. In one of the modifications, Fig. 4, the counterweight h<3> is located below the float and is supported by a rod h4 pivoted at its upper end to a lever h which is fulcrummed in a bracket and is connected by a link n to the float arms f.
Patent GB-445568-A (GB)
Title: Improvements in or relating to containers or cartons for photographic roll film cartridges
IPC: G03B17/30
Filed: 1934-10-11
Abstract: 445,568. Photographic roll - film cartridges. KODAK, Ltd., Kodak House, Kingsway, London.-(Assignees of Parker, J. H. S. ; Kodak Park, Rochester, New York, U.S.A.) Oct. 11, 1934, No. 29127. Convention date, Oct. 11, 1933. [Class 98 (i)] A holder containing a roll-film cartridge for insertion into a camera comprises sheet material bent into a cylinder with two marginal parts overlapping circumferentially to form an outlet slot for the film, and two end caps each having an annular groove which receives the edge of the cylinder and grips the overlapping marginal parts together in the radial direction. As shown the cylindrical body 10 has parts 11, 12 overlapping, plush 14 being inserted to make a light-tight film slot 13, and the two parts being pressed together by insertion into the grooves 16 of the end caps 17, 18. The flanges 20 of the end caps are secured to the cylindrical body by adhesive and a paster 22, the flanges being cut away at 24 in alignment with the overlapping portions 11, 12 to allow the film to pass freely from the slot 13. The hub 1 of the spool is recessed at 5 and has annular flanges 7 between which and the end caps are placed annuli of felt 31 to exclude light. Lugs 25 on the carton position it within the supply chamber.
Patent GB-1418608-A (GB)
Title: Method of preparing 4,4-dimethyl-1,3-dioxan
IPC: C07D319/06
Filed: 1974-07-01
Abstract: 1418608 4,4-Dimethyl-1,3-dioxan VOLGOGRADSKY POLITEKHNICHESKY INSTITUT and VOLZHSKY ZAVOD SINTETICHESKOGO KAUCHUKA 1 July 1974 29132/74 Heading C2C 4,4-Dimethyl-1,3-dioxan is prepared by contacting isobutylene with formaldehyde in an aqueous medium at 90-115 C. in the presence of an inorganic salt of a mineral acid as catalyst, the salt being such that an aqueous solution thereof has a pH of from 2À2 to 4À5 and an aqueous phase and an organic phase being formed, separating the phases, and washing the organic phase with water and recovering the desired product from the washed organic phase. Suitable salts for use as catalyst are, for example, chromium sulphate, aluminium sulphate, potassium chromium sulphate, ferrous ammonium sulphate, potassium bifluoride, aluminium nitrate and chromium trichloride. If desired the separated aqueous phase and the wash water are combined and distilled to evaporate 85-90% thereof so that a distillate containing formaldehyde (which may be recycled) and a distillation residue containing the salt (which may be separated and recycled) are obtained. During the distillation a further amount of 4,4-dimethyl-1,3-dioxan may be formed by reaction between unreacted formaldehyde and byproduct 3-methylbutane-1,3-diol.
Patent GB-703582-A (GB)
Title: A new or improved briquette rolling press
IPC: B30B11/20
Filed: 1951-12-13
Abstract: 703,582. Ring-and-roller presses. KRUPP STAHLBAU RHEINHAUSEN, F. Dec. 13, 1951 [Dec. 23, 1950], No. 29198/51. Class 87 (2) Either the ring 1 or the roller 11, or both, of a ring-and-roller pressing machine, are resiliently mounted in such a manner that movement can take place in the direction of greatest pressure whilst the dimensions of the entrance 17 to the pressing gap remain constant. The press ring 1 is supported on two rollers 3, 4, the roller 3 being rigidly journalled in the frame and the roller 4 journalled in a pivoted lever 6. The free end of the lever 6 is supported by a plate 7, which can yield under excess pressure. The plate is supported on the short arm 8 of a lever, the long arm 9 of which bears against a spring 10. The eccentric roller 11 is so disposed that the narrowest part of the gap is opposite the yielding roller 4. The feeding device consists of a feeding-wheel 13 and a downwardly extending spur 12 forming a feed channel 14. A modification is described in which both ring and roller have peripheral teeth 21 and are driven from a common drive. A string of briquettes indented on both sides is produced. A number of strings of bricks arranged side by side may be produced.
Patent GB-1518327-A (GB)
Title: Apparatus for contacting liquids with solids in a processing chamber and withdrawing solids from the processing chamber
IPC: B01J47/10
Filed: 1975-07-11
Abstract: 1518327 Catalyst discharge; ion exchange apparatus DR C OTTO & CO GmbH 11 July 1975 [12 July 1974] 29200/75 Headings B1F and BIJ  Apparatus for contacting liquid with solids (e.g. ion exchangers, catalysts, or active carbon) comprises a processing chamber 4 in which the liquid is brought into contact with solids, and a collecting chamber for receiving solids discharged from the processing chamber, the processing chamber having lower wall with a downwardly inclined surface 3 leading to a dispensing outlet 24 which is defined at least in part by a first vertical wall whose lower end is located within a distribution chamber defined by a second vertical wall 25 and a third wall which has an inclined surface 26 and angles down to the second vertical wall 25, but with a gap formed between the third wall and the second vertical wall for the introduction of conveying liquid, an annular distribution chamber outlet being formed between the two vertical walls, which annular outlet communicates with the collection chamber. The solids after discharge may be regenerated and re-used.
Patent GB-493400-A (GB)
Title: Improvements in or relating to magnetic separators
IPC: B03C1/14
Filed: 1937-10-28
Abstract: 493,400. Delivering material from hoppers. McLEAN, W. H. Oct. 28, 1937, No. 29447. [Class 78 (i)] [Also in Group II] In a device for regulating the feed of ore to a magnetic separator from a hopper 12, the latter is provided with a stationary funnel having an opening 23 and a movable collar 30 provided with apertures 24, 25, 26, Fig. 13, or with a slot 27.
Patent GB-366467-A (GB)
Title: Improvements relating to grinding or abrading machines
IPC: B24B5/04
Filed: 1930-10-02
Abstract: 366,467. Centreless grinding. CHURCHILL MACHINE TOOL CO., Ltd., Broadheath, near Manchester, and ASBRIDGE, H. H., Claremont, Washway Road, Ashton-on-Mersey. Oct. 2, 1930, No. 29481. [Class 60.] Guides and rests ; gauges.-A centreless grinding-machine for grinding the outer surface of a hollow cylindrical article concentric with its bore, or for grinding a cylindrical portion on an article concentric with a portion of different diameter, consists of a bed b carrying a grinding-wheel a and a regulating-wheel c arranged and operated as described in Specification 366,466. Upon the regulating-wheel slide e is mounted a slide f in which is secured a hollow arbor s in which the machined portion u<1> of a work-piece is a working fit, the part u of the work-piece being rotated by the regulating-wheel and ground by the grinding-wheel. The slide f is urged towards the regulating- wheel by a spring j, or a weight, to an extent limited by a stop formed by a stud i ; the movement of the slide towards the grinding- wheel, to control the size of the work, is limited by a stop h. The slide f also carries a stud 10, which is adjusted to contact with a part 13 of the regulating-wheel head when the stop h comes into operation in order to avoid twisting strain on the work. In order to grind hollow bushes, a plug type arbor is mounted on the slide, and a movable support for the outer end of the arbor may be provided. In a modification, the regulating-wheel rotates on a fixed axis, and the grinding-wheel is moved to and from the work. In a further modification, the slide e may be independent of the regulating- wheel head, and may be in the form of an attachment. Specification 360,964 is referred to.
Patent GB-778707-A (GB)
Title: Improvements in eddy current braking devices
IPC: H02K49/04
Filed: 1954-10-13
Abstract: 778,707. Eddy-current brakes. COMPAGNIE TELMA. Oct. 13, 1954 [Oct. 16, 1953], No. 29538/54. Class 35. An eddy-current brake comprises a centrally fixed field member having a toroidal coil A and a rotating member comprising two rigidly connected rings D, E of magnetic material mounted at the sides of the field member, the rings D, E being provided with fan blades 21. The coil A is embraced by a number of U-shaped imbricated pole-pieces B, C arranged as shown in Fig. 3. The magnetic core structure of the field system consists of a winding A and an inner ring 7 having a number of U-shaped members formed of limbs 1, 2, 3 and two outer bolted rings 10, 11 having limbs 12, 13 respectively which are so arranged as to form U-shaped polepieces imbricating with those on the inner ring 7. The outer rings 10, 11 with their pole-pieces are slipped over the coil, and finally the inner and outer core assemblies are fixed together to the frame of the brake device. Alternatively, the outer rings 10, 11 may be replaced by a ring 14 having portions of greater radius than the rest of the ring as in Fig. 5 so that the ring 14 can be slipped over the coil A and over the inner polepieces B, after which the pole-pieces C are bolted to the ring 14. The cooling of the device is effected by the fan blades 21 which also serve to carry the rings D, E. U-shaped air circuits are produced by using deflector discs such as 23 fixed on the rotor shaft F. The latter also serves to couple the shaft F to the shaft to be braked. Secondary air circuits may be produced by providing holes extending obliquely through the rings D, E. Specifications 778,709 and 778,710 are referred to.
Patent GB-871450-A (GB)
Title: Improvements in or relating to the scoring of corrugated board and the like
Inventor: LANE WILLIAM CHARLES
IPC: B26D3/08
Filed: 1958-09-16
Abstract: 871,450. Scoring sheet materials. REED CORRUGATED CASES Ltd. Nov. 4, 1959 [Sept. 16, 1958], No. 29639/58. Class 100(2) A method of scoring corrugated board or the like to form a fold or bend line therein comprises forming on each side of the board a series of longitudinally spaced scores which are so spaced that there is substantially no overlapping between the individual scores on opposite sides of the board. As shown a pair of rotary scoring cutters 3 is mounted in an axially adjustable fashion on shafts 1, 2, each cutter having score forming ribs 10 of rounded cross-section equidistantly spaced around its circumference. The relative angular positions of the cutters 3 are so arranged that when a board blank 4 is fed between them the ribs 10 produce indentations on opposite sides of the board as shown in Fig. 4. The spaced scores on one or both sides of the board may each comprise a plurality of parallel lines, e.g. one or two on one side and two or three on the other respectively, instead of a single line. The spaced score-forming ribs may be mounted in a platen press.
Patent GB-699012-A (GB)
Title: An improved roller-box tool for capstan lathes
Inventor: CHILD FRANK
IPC: B23B29/16
Filed: 1949-11-19
Abstract: 699,012. Lathe details. C. M. TOOLS (RADCLIFFE), Ltd. Nov. 20, 1950 [Nov. 19, 1949], No. 29652/49. Class 83 (iii). A roller tool-box of the kind in which a cutting tool is supported at the end of a pivoted arm has the pivot mounting constructed to allow sliding as well as arcuate movement of the arm in combination with constraining means at a point on the arm so that this point moves in an arcuate path, the cutting edge of the tool, by this arrangement, following substantially a straight-line path. The body a of the tool-box is provided with a pair of adjustable roller work steadies b, c. The cutting tool r is carried on a platform f at the end of an arm e. The upper end of the arm is slotted and slides over a block h pivoted to the body at d. Intermediate the ends of the arm and in line with the axis of the slot g a bearing hole is provided for one part of an eccentric i, the other part j of which is carried in the body. A recess k is provided in the lower part of the body opposite the tool in which slides the head g of a stylus member which projects through a sleeve n and has a pointed end p for engaging a template for copying. The head q engages a pin m secured to the tool-holder to control the movement of the latter. A boss n on the extension a<SP>1</SP> of the body a carries a micrometeradjusting sleeve o, n<SP>1</SP> for adjusting the tool.
Patent GB-715454-A (GB)
Title: Improvements relating to water conditioning apparatus
Inventor: PARKER ELLIOT JOSSELYN
IPC: F01P11/06
Filed: 1952-11-24
Abstract: 715,454. Filters. FRAM CORPORATION. Nov. 24, 1952, No. 29653/52. Class 46. [Also in Group XIII] A water conditioner comprises a casing 23, Fig. 3, having a closed base and a detachable head-21 provided with an inlet 26 having a tube 27 discharging water into a filter shell 30 formed of moulded cellulosic fibres and holding water conditioning material in such a small quantity as to leave room for the accumulation of sludge; the shell 30 being spaced from the casing 23 so as to provide access of conditioned and filtered water to an outlet 28 carried by the head 21. The shell 30 which is formed of moulded paper pulp impregnated with resinous material has longitudinal corrugations 31, Fig. 4, and a top wall 32 apertured to provide a snug fit for the tube 27 and covered prior to use by a lid 40. The .conditioning material is confined in a fabric bag 36 and comprises softeners of the phosphate, borate, and polyamine carboxylic acid salt types, and ion exchange materials of the natural zeolite types and polystyrene, divinyl, benzene sulphonic, phenolic sulphonic and carboxylic resin types. It is mixed with corrosion inhibitors of the chromate, borate, nitrite, silicate and soluble oil types, including the borate, and mercaptobenzo thiazole types.
Patent GB-620718-A (GB)
Title: Improvements in or relating to electric measuring circuits for intermodulation measurements
IPC: G01R29/06
Filed: 1946-10-05
Abstract: 620,718. Voltage measurements; telephone and like transmission measurements. PHILIPS LAMPS, Ltd. Oct. 5, 1946, No. 29746. Convention date, Jan. 15, 1943. [Class 37] [Also in Group XL (c)] In a measuring circuit for measuring distortion occurring due to inter-modulation in an object to be measured as a function of frequency, an inter-modulation product of two measuring signals supplied to the object to be investigated is measured, a signal of fixed frequency F and a signal of varying frequency p being utilized as the measuring signals. Two auxiliary signal generators 1, 4 are tuned to determined fixed frequencies f<SP>1</SP>,<SP> </SP>f<SP>4</SP>, two auxiliary signal generators 2, 3 generate auxiliary signals f<SP>2</SP>, f<SP>3</SP> of variable frequency, and a generator 5 furnishes the required measuring signal of fixed frequency F. The auxiliary signals f<SP>1</SP>, f<SP>2</SP> and f<SP>3</SP>, fl are mixed in frequency changers 6, 7, the differential frequencies p, q being separated by means of low-pass filters 8, 9. The generators 2, 3 may be tuned by a common operating member 10 in such a manner that nf<SP>2</SP> =f<SP>3</SP>, where n is an integer or a reciprocal thereof. The required relation between f<SP>2</SP>, f3 may alternatively be maintained by mutual synchronization of the generators 2, 3. The constant frequencymeasuring signal F and the variable frequencymeasuring signal p are applied to the input terminals of an object 11 to be investigated. Inter-modulation products of frequency np+mf (n and m being numerical coefficients) are obtained in the output circuit and are mixed with the auxiliary signal q in a frequencychanger 12. After amplification in a highly selective tuned amplifier 13, the signal from the frequency-changer 12 is supplied to a voltmeter 14. The frequency of the measuring signal p may be read on a scale co-operating with the actuating member 10. The frequency f<SP>4</SP> of the generator 4 may be variable in steps corresponding to the frequency of the fixed measuring signal F or to a multiple thereof. The measuring circuit may be adapted for measuring distortions caused by harmonics of the measuring signal p by switching the generator 5 out of circuit by means of a switch 15.