baber/WOPTO huggingface dataset:
Patent GB-415337-A (GB)
Title: Attachment for sewing machines
IPC: D05B21/00
Filed: 1934-02-21
Abstract: 415,337. Sewing machines. FAIRWEATHER, W. C., 65, Chancery Lane, London.-(Singer Manufacturing Co. ; Elizabeth, New Jersey, U.S.A.) Feb. 21, 1934, No. 5689. [Class 112.] A zig-zag stitching attachment according to Specification 397,043 is rendered ineffective by the depression of a spring pressed finger lever. The finger lever 38 is formed with a cam surface 39 and a stop 40. On depressing the lever 38 to the dotted position the pawl actuating lever 31 is tilted by the cam 39 and held out of engagement with the needle bar 2 by the stop 40.
Patent GB-636127-A (GB)
Title: Improvements in and relating to ferro-magnetic cores for high frequency machines andapparatus
IPC: H01F17/04
Filed: 1947-02-27
Abstract: 636,127. Magnetic cores; cores for dynamoelectric machines. STIVIN, J. Feb. 27, 1947, No. 5725. Convention date, Dec. 14, 1945. Drawings to Specification. [Classes 35 and 38 (ii)] A ferro-magnetic core for high-frequency machines and apparatus comprises a mixture of small ferro-magnetic particles suspended in a liquid insulating material such as oil, the mixture being circulated through a conduit. The particles may be subjected to the influence of an electromagnetic field, generated by a 'coil wound around the conduit, so that they arrange themselves in the direction of the lines of force, thus forming a number of continuous magnetic paths which are insulated from each other to ensure good permeability of the core. The particles may be long compared with the diameter and the curved surfaces initially covered with solid insulating material. The conduit may be formed into a closed circuit having cooling equipment at one position and the mixture continually fed through the conduit thus forming a coolant for the machine or apparatus. Specification 219,703, [Class 38 (ii)], is referred to. The Specification as open to inspection under Sect. 91 describes an embodiment in which the insulating material is adapted to solidify so that the electromagnetic influence may be removed. This subject-matter does not appear in the Specification as accepted.
Patent GB-886624-A (GB)
Title: O-substituted serines and their preparation
Inventor: BERGEL FRANZ
Filed: 1958-02-21
Abstract: The invention comprises compounds of the general formula <FORM:0886624/IV (b)/1> (wherein R represents a hydrogen atom or a C1-3 alkyl group, R1 a hydrogen atom or a C1-5 alkyl group and Z a chlorine or bromine atom) and their acid addition salts, and the preparation thereof by reacting a compound of the general formula <FORM:0886624/IV (b)/2> (wherein R11 represents a C1-5 alkyl radical or an aralkyl radical and R12 an aralkoxycarbonyl radical) with phosgene and an amine (ZCHRCH2)2NH to give a compound of the general formula <FORM:0886624/IV (b)/3> p  which is then subjected to hydrolysis or hydrogenolysis.  Carbobenzoxy-DL- and -L-serine benzyl esters are prepared by acylating DL- and L-serine with carbobenzoxy chloride in sodium bicarbonate solution and esterifying the product with benzyl alcohol in benzene in the presence of p-toluenesulphonic acid. DL-serine methyl ester is similarly acylated.
Patent GB-824599-A (GB)
Title: Process of refining hydrocarbons by catalytic hydrogenation
IPC: C10G49/00
Filed: 1958-02-21
Abstract: The process of the parent Specification, which comprises the catalytic hydrogenation of liquid or solid hydrocarbons in which there is used a gas containing hydrogen such as coal gas, coke-oven gas or low temperature carbonisation gas and this gas, prior to use, is passed through a hydrogenation catalyst at 50 -400 DEG  C., is modified as applied to catalytic hydrofining, by passing the hydrogen-containing gas through the catalyst as above at a space velocity of 1000-6000 normal cubic metres per cubic metre of catalyst per hour.
Patent GB-570207-A (GB)
Title: Improvements in or relating to polymerisation of vinyl compounds
IPC: C08F14/06
Filed: 1940-11-11
Abstract: Vinyl compounds or compounds of the formula CH2 = CXY, wherein X and Y are radicles other than hydrogen and alkyl, e.g. vinyl halides, esters, ethers or ketones, vinyl aromatic hydrocarbons, and acrylic or methacrylic esters, amides or nitriles, or the halogen substitution products thereof, or mixtures of such compounds, are polymerized by heat and/or actinic light with or without pressure in the presence of a catalyst consisting of a simple or mixed peroxidic compound of acrolein or acrylic acid.  In an example, vinyl chloride dissolved in acetone is polymerized by heating with a peroxidic compound of acrolein. Specifications 462,165 and 560,166 are referred to.  Samples have been furnished under Sect. 2 (5) of products prepared by polymerizing methyl methacrylate, tertiary butyl acrylate and vinyl chloride, either alone or in admixture with vinyl acetate or N-propyl acrylate by heat in the presence of a peroxidic compound of acrolein.  Peroxides of acrolein are prepared by treating a solution of acrolein in acetone either with oxygen under pressure or with oxygen in the presence of vanadium pentoxide as a catalyst.
Patent GB-197104-A (GB)
Title: Improvements in and relating to pencils
IPC: B43K21/08
Filed: 1922-02-28
Abstract: 197,104. Hoffman, E. J. Feb. 28, 1922. Pencil-holders. - In a pencil - holder of the screw-propelled type, the follower in conjunction with the casing forms a receptacle for spare leads and is provided at its lower end with integral means for gripping the lead in use. The follower 4, Figs. 1 and 4, comprises a metal plate provided with a central longitudinal groove 5 and with semi-circular ends 6 which are flanged in the same direction to form the base and cover respectively of the receptacle. The diameters of the semi-circular ends 6 are less than the width of the plate 4, thereby leaving lateral tongue portions which are received in longitudinal grooves 3 in the barrel 1. A round nut 7 secured in the groove 5 at the upper end of the plate 4 receives and engages a screw 15 which lies within the groove and at its upper end has a non-threaded portion 14 passing through a central hole in a cap nut 11 screwed into the end of the barrel. A pocket clip 12<1>, Fig. 6, with a disc head 12 threaded over the plain end of the screw, is secured between the cap nut 11 and a milled head 18 attached to the screw and rotatable therewith. The lead 19 is gripped by a spring jaw 8 formed at the lower end of the plate 4 by making two slanting longitudinal slits joined by a transverse slit and downwardly bending the tongue of metal included between them. Spare leads are inserted or withdrawn from the combined follower and refill chamber by unscrewing the cap nut 11 and pulling upon the milled head 18 to withdraw the screw 15 and its attached follower 4. In a modification, the capacity of the refill chamber is increased by providing a semi-circular piece on both sides of the plate, and the projecting screw is enclosed within a central longitudinal tube.
Patent GB-1464111-A (GB)
Title: Hosiery manufacture
IPC: D06G3/04
Filed: 1974-02-09
Abstract: 1464111 Turning inside out; seam flattening DETEXOMAT MACHINERY Ltd 27 Jan 1975 [9 Feb 1974] 6003/74 Headings D1G and D1X Apparatus for turning stockings inside out comprises a suction tube 30, roller means 50, 51 drawing the hose welt first on to the tube and maintaining a presettable tension on the hose when the toe portion abuts the tube, and means for relieving the tension to allowthe tube to be sucked toe first into the tube 30. A carriage 34 is slidable on rails 36 by a pneumatic ram R1, 41 and has pivoted thereto at 40 a lever 39 having a shoe 38 at one end to constitute a clamping means 32. The other end of lever 39 carries a follower F1 engaging-a slot 43 in a cam plate C1 reciprocable by a ram R3. A plate 70 pivoted at 72 to the frame has a pin and slot connection F2, 75 with the carriage, reciprocation of the latter swinging the plate 70 which has cam slots 73, 74 engaging followers F3, F4 on the pivoted arms 53, 54 which carry driven rollers 50, 51. A seam flattening tube 80 is reciprocably mounted within everting tube 30 and is actuated by a ram R2. Hydraulic rams or solenoids may replace the pneumatic rams. Valves V1-4 (Fig. 1 riot shown) are actuated by the carriage movement to initiate and control the operation. The everting device is associated with the toe closing and hose handling apparatus disclosed in specification 1408912. Operation. The welt is placed over the end of tube 30. Ram R3 moves cam plate Cl rightwards to swing shoe 38 downwards to clamp the stocking to the tube and pull the stocking there along as ram R1 moves the carriage leftwards. Welt movement is limited by stop 91. Rotation of 70, as the carriage moves, moves the arms 53, 54 towards the tube after the clamp has passed the rollers to engage and pull on the stocking, the pulley drive slipping when the toe reaches the tube end, follower Fl entering the end of groove 43 in cam C1 to release clamp 32. With the toe held under tension (selected by a settable slipping clutch 52 or the setting at which the belt drive from motor 55 will slip) ram R2 extends tube 80 to flatten the seam. Tube 80 then retracts and carriage 37 returns rightward, clamp 32 closes as arms 53, 54 move apart and assists the motion of the stocking into the tube 30.
Patent GB-844234-A (GB)
Title: Automatic control systems for lifts and the like
IPC: B66B1/16
Filed: 1958-02-25
Abstract: 844,234. Control of A.C. motors. ALLMANNA SVENSKA ELEKTRISKA A.B. Feb. 25, 1958 [March 2, 1957], No. 6012/58. Class 38 (3). [Also in Group XXXV] A lift-car is started by energizing an asynchronous driving motor 14 and lifting brake 20, the car being accelerated with substantially constant torque by a regulator 16 which adjusts the rotor resistance 15 according to the stator current. With change-over switch 29 and sliding contact 34 in the positions shown, the whole voltage of source 31 is utilized as a reference voltage which exceeds the output voltage of tachometer generator 23. A rectifier 22 blocks the current to brake solenoid 21, so that the brake is disengaged. When the car reaches a predetermined distance from a desired stopping- position, a magnetic clutch 24 is engaged whereby contact arm 38 follows the movement of the car to reduce the reference voltage, and the brake solenoid is energized to produce a braking torque which increases as the difference between the tachometer and reference voltages increases. At the landing, a switch 18 is opened and the brake 20 fully engaged, the magnetic clutch 24 being de-energized. During the retardation period the sliding contacts 34, 35 interchange positions so that a new retardation operation may be initiated without returning the arm 38 to its initial position, by changing- over switch 29 to disconnect contact strip 36 and to connect contact strip 37 in the control circuit of the brake.
Patent GB-1399402-A (GB)
Title: Reinforced woodwool slab
IPC: B27N3/06
Filed: 1972-02-10
Abstract: 1399402 Laminates MARLEY HOMES Ltd 8 May 1973 [10 Feb 1972] 6245/72 Heading B5N [Also in Division E1] A wood wool slab formed by dispersing wood wool in a cementaceous or plaster matrix, is provided on at least one surface with a reinforcing layer of glass fibres wholly embedded in a cementaceous or plaster matrix. The glass fibre reinforcement may comprise a woven ornon- woven mat of fibres. The reinforcing layer may be applied as a woven or non-woven mat impregnated with a cement/water mix, or as a dipersion of fibres in a cement/water mix, either to a wood wool slab core when it is freshly prepared and wet or when it is in finished dry condition. The reinforcing layers may be wholly or partially continued around the edges of the slab. The outer surface of the reinforcing layers may be provided with a decorative finish.
Patent GB-882805-A (GB)
Title: Improvements in drilling jigs
IPC: B23B47/28
Filed: 1959-02-24
Abstract: 882,805. Drill-jigs. STEPHENS, J. W. Feb. 22, 1960 [Feb. 24, 1959], No. 6334/59. Class 83 (3). A drill-jig for drilling holes in the corner of a hexagonal or like workpiece 8 comprises an expendable drill guide 1, Fig. 3, having components fitting surfaces 9, and drill entry and exit surfaces 11 normal to the drilling axis. A battery of such guides removably secured together with adhesive may be used on a holder 13b, Fig. 4, secured to a jaw 4 of a vice, the work being clamped between the jaw 3 and the holder. The holder 13b comprises a plate 13, a vee-shaped bar 14 terminating in a slot 17 through which a guide 1 is fed by a slide 18, Fig. 2, actuated by a toggle 19, 20, to engage the work 8. A drill-plate 44, secured to the bar 14 has holes 45 of different sizes, and may be reversible on the bar to bring the required hole over the corner of the work. The battery of guides is located in a cartridge 16, Fig. 1, releasably secured to the plate 13 by a bayonet-joint fastening 37, 38, and the guides are spring-urged towards the slot 17 by a spring 31, Fig. 5, on a rod 28, which urges a slide 27 against the guides, the slide being held in its outermost position by a spring-catch 32, and the guides being held in the cartridge by a pivotable catch 35. The cartridge is located parallel with the bar 14, so that the guides are aligned with the slot 17, by an extension 40, Fig. 1, on the cartridge, engaging a recess 41 in a raised portion 13a of the plate 13, and a spring 42 on the plate. An adjustable work stop 47, Fig. 4, is secured to the bar 14, and a stop 50 for limiting the movement of jaw 3, engages the bar 14. In operation, the holder 13b is secured to the jaw 4 of the vice, and a battery of guides is mounted on the plate 13. The work is located in the vee 14a of the bar 14, the stop 47 adjusted to the required position, and the jaw 3 moved inwardly to engage the work by the vee 8b. The handle 23 of the toggle is moved clockwise, thus moving the first guide 1a into the slot 17 to engage the work, and a hole is drilled. The jaw 3 is released, and the work removed, and due to the slide 18 being spring- urged by a spring 26 in the lever 20, the guide 1a is ejected, thus allowing the next guide to enter the slot 17. The guides may be formed as an integral bar, and may be held against the work magnetically, and the vice jaw 3 may have a holder similar to the one on jaw 4, for drilling holes in opposite corners of the work. The holder has a cover 51 secured thereto for protection of the working parts.
Patent GB-1514461-A (GB)
Title: Floating breakwaters
IPC: E02B3/06
Filed: 1975-05-12
Abstract: 1514461 Floating breakwaters and Harbours FLOATING BREAKWATERS LTD 12 May 1975 [12 Feb 1974] 6886/74 Heading B7A A buoyant concrete floating breakwater is V-shaped in plan and has a buoyancy such that its upper surface is in use just awash. As described, it is internally subdivided into buoyancy chambers which contain blocks of polystyrene foam and maybe monolithic or be formed by a forward part 1 and two wing sections 2. The leading edges 9 of the breakwater slope upwardly and rearwardly and wedge shaped projections 25 having sloping forward faces and vertical rearward faces maybe located on the upper surface, which in use, is awash, to further dissipate wave energy. The breakwater may have a single point mooring for a tanker attached to its centre line so as to afford shelter to a tanker loading from the mooring (Fig. 6, not shown). The tips of the wings each carrying a vertical fin which extends into the water so that the breakwater aligns with the prevailing sea and wind conditions. A plurality of such breakwaters may be used together either spaced apart or connected together at their wing tips. Alternatively, floating jetties may be provided in the breakwater's re-entrant area 12 to provide boat berths.
Patent GB-823628-A (GB)
Title: Improvements in screening devices for liquids
IPC: D21B1/12
Filed: 1958-02-27
Abstract: 823,628. Filters. CANADIAN INGERSOLLRAND CO. Ltd., and BIRD MACHINE CO. Feb. 27, 1958 [April 16, 1957], No. 6435/58. Class 46.  Unfiltered liquid, e.g. paper stock, enters tangentially at 54, Fig. 2, an annular trough 48, Fig. 1, whence it flows radially over a flange 41 into an annular slot 28a bounded by cylindrical screens 28 and 36. Filtrate flows radially inwardly and outwardly into chambers 30 and 42 respectively which communicate at the bottom with each other and with an outlet 46. 35 is the outlet for rejected materials from the slot 28a. Clogging of the screens is prevented, and the screens are cleaned, by movement around the slot 28a of four aerofoil-shaped elements, Fig. 2, two (64) adjacent the inner screen and two (66) adjacent the outer screen. They are rotated, by a spider 29 secured to a shaft 18, in a direction opposite to that in which the liquid flows into the apparatus (see Fig. 2). Alternatively the aerofoil elements may be reversed in position, and the direction of rotation also reversed. In a further alternative the aerofoil elements are midway between the screens and act equally on both with greater clearance. A lid 60, Fig. 1, may be raised by a hydraulic piston 84. and rotated (with the piston as pivot) to permit access to the interior. Heavy solids may be trapped by the trough 48 and removed at 53. The screens 28, 36 may differ in size, &c. of perforations, and discharge to separate outlets, thus permitting fractionation of the suspension.
Patent GB-1526614-A (GB)
Title: Dynamoelectric machine two-layer stator windings
IPC: H02K3/04
Filed: 1977-02-16
Abstract: 1526614 Stator windings for dynamo-electric machines T N BELOVA L A DROZDOVA A T ZVEREV J G TJURIN and G M KHUTORETSKY 16 Feb 1977 6543/77 Heading H2A A dynamo electric machine has a slotless core and a two-layer stator winding. The two layers are constituted by outer and inner bars shown by references 3 and 4 in an active portion 1 of the winding. The end connection portions 2 of the winding are disposed in four layers 6, 5, 7, 8 as shown in Fig. 1.  Fig. 3 shows 36 bar positions 1<SP>1</SP>-36<SP>1</SP> (the outer bar being marked by a full line and the inner bar by a dashed line). The winding is formed as six coil sets 1C1-1C4, 2C1-2C4, &c. In the winding coil 1C1-1C4 the path is through bars 1<SP>1</SP> 15<SP>1</SP> 3<SP>1</SP> 17<SP>1</SP>, &c., i.e. the winding pitch is 14 bar pitches. Also in Fig. 3 the four end connection layers are indicated by thick full, thin full, thick dashed and thin dashed lines respectively. In the Fig. 3 arrangement the winding pitch is an even number of bar pitches and it will be seen that the end portions joining active bars of even rows (e.g. 2<SP>1</SP> and 14<SP>1</SP>) lie in the outer pair of layers (5 and 6 in Fig. 1) whilst those joining bars of odd rows lie in the inner pair of layers (7 and 8 in Fig. 1). A modified arrangement occurs where the winding pitch is an odd number of bar pitches (Figs. 2 and 4, not shown).  The arrangement which utilizes alternate rows (e.g. 1<SP>1</SP>, 3<SP>1</SP>, 5<SP>1</SP>) in a given winding coil reduces bending angle and overhang when compared with known arrangements in which sequential bars (1<SP>1</SP>, 2<SP>1</SP>, 3<SP>1</SP>, &c.) are utilised (Figs. 5 and 6, not shown).
Patent GB-809279-A (GB)
Title: Improvements in or relating to copper-containing polyazo dyestuffs
IPC: C09B45/28
Filed: 1957-02-27
Abstract: The invention comprises the partially or entirely coppered complexes of dyestuffs of formula <FORM:0809279/IV (c)/1> where R1 is the radicle of a 1,8-dihydroxynaphthalene mono- or di-sulphonic acid coupled o to OH, R2 is as Z or is the residue of any other azo compound coupled o to OH and R1 and R2 must together contain at least 2 SO3H groups. They are made by coupling in an alkaline medium 1 mol. of tetrazotized 4,41-diamino-3,31 - dimethoxy - 1,11 - diphenyl in either order with 1 mol. of the dyestuff corresponding to Z or preferably its copper complex and 1 mol. of the component corresponding to R2 with subsequent coppering in substance or on the fibre.  R2 is preferably Z or its copper complex or a residue of a phenol, naphthol-mono-, -di- or tri-sulphonic acid, a dihydroxy-naphthalene-mono-or di-sulphonic acid, an acylaminonaphthol sulphonic acid, a 1-aryl-5-pyrazolone which may be sulphonated or an acetoacetylamino compound.  The dyestuffs dye cotton and regenerated cellulose in blue-grey to green-grey shades.  In examples which illustrate the preparation of the dyestuffs and their use in dyeing processes R2 is derived from 1-naphthol-3,6- and -3,8-di- and -3,6,8-tri-sulphonic acids, 2-naphthol-4-mono- and -3,6-di-sulphonic acids, 2-benzoylamino-5-naphthol-7-sulphonic acid, 4-methyl- and 4-methyl - 2 - acetyl - and sulphoacetyl - amino - phenols, acetylacetone, acetoacetylaminobenzene and its 4-sulphonic acid, 2-acetoacetylaminonaphthalene-7-sulphonic acid, barbituric acid, 1-phenyl-3-methyl-5-pyrazolone-21, -31- and -41-mono- and -21,41-di-sulphonic and -31-carboxylic acids, 1-naphthyl (21)-3-methyl-5-pyrazolone - 61 - sulphonic acid, 1 - phenyl - 5 - pyrazolone - 3 - carboxylic acid and 1,5-dihydroxy - 2 - (11,81 - dihydroxy) - naphthyl (21)-azonaphthalene - 7,31 - and - 7,41 - di - and -7,31,61-tri-sulphonic acids, R1 being derived from 1,8-dihydroxynaphthalene-3- and -4-mono-and -3,6-di-sulphonic acids. Reference has been directed by the Comptroller to Specification 644,883.
Patent GB-374845-A (GB)
Title: Improvements in or relating to hoisting cradles
IPC: B66C13/00
Filed: 1931-03-03
Abstract: 374,845. Hoisting cradles. WADE, H., 111, Hatton Garden, London.-(Motor Terminals Co. ; Wilmington, Delaware, U.S.A.) March 3, 1931, No. 6611. [Class 78 (iv).] A cradle is equipped with four pivotallysuspended members adapted to engage a demountable body of a vehicle at two points on each side near the eaves, means being provided for simultaneously swinging the load-engaging members into operative or inoperative position as desired. In the form shown in Fig. 2 hooks 15 at the top of the body are normally engaged by shackles 40, 41 freely suspended from the rectangular frame 32 of the cradle. To swing the shackles clear of the hooks upwardly-extending arms 47 on the shackles 41 and eyes 48 on the shackles 40 are simultaneously pulled by pairs of cables 58, 59 which pass round pulleys at the end of the frame and unite in a single cable 50. The pivots of the shackles are in vertical registration with the axles of the pulleys 30 round which the hoisting ropes 25 pass. Flared strips 60 with inwardlyprojecting lugs guide the cradle on to the body to be lifted and locate it clear of the hooks 15. In a modification (not shown) springs are used to urge the shackles into operative or inoperative position. In the form shown in Fig. 9 the cradle frame is suspended by stirrups 70 pivoted on the same bolts as the shackles 81. To locate the cradle guides with flared portions 66, 67 engage the sides and backs of the hooks 15 and the cradle frame 32 rests on top of the hooks. In a further form the shackles have weighted arms tending to swing them out of engagement with the hooks. In the form shown in Fig. 18 hooks 125 are urged into pockets 17 in the body by torsional springs. The hooks are disengaged by a,pivoted handlever 145, which, through links 140, 142, rotates arms 138 fixed to the rotatable shafts carrying the hooks. In the form shown in Fig. 24 the hooks 125 are urged into operative position by a spring 155 between the arms 138, and are disengaged by pulling down the joint between the thrust-levers 150. In the form shown in Fig. 25 the hooks are normally urged into the pockets 17 by weighted portions 161 and may be disengaged by cables 163 extending diagonally from the hooks to the centre of the cradle, where they are connected to a rope 165 passing over a pulley 166, and over a further pulley 168 at the end of the frame to a handle.