baber/WOPTO huggingface dataset:
Patent GB-687562-A (GB)
Title: Improvements in or relating to beating engines for processing fibre pulp
IPC: D21D1/30
Filed: 1947-07-08
Abstract: 687,562. Paper pulp beaters. AUGIER, C. T., (trading as TONIOLO & FIGLIO, E.), and ARNOLD, R. July 8, 1947. No. 17975/47. [A Specification was laid open to inspection under Sect. 91 of the Acts, Dec. 16, 1947] Class 96. [Also in Group II] A beater for making paper pulp from fibrous materials, comprises a conical rotor 4 carrying flat blades 2A arranged in planes passing through the axis of rotation and having cutting edges which sweep out a conical surface facing a corresponding hypothetical surface connecting the cutting edges of fixed blades 2 arranged radially and annularly about an inlet 3A. The blades 2 may be carried by a removable ring 3. The rotor and blades 2 may be situated at the vortex of a spiral casing 1 having a tangential outlet. The rotor may carry a ring of blades 5 which prevent material from reaching the space between the back of the rotor and the casing, as by moving in a channel therein. The shaft 7 of the rotor may be adjusted axially to vary the clearance between the blades 2A and 2 and an axial thrust may be applied to the shaft by a loaded lever system acting against a spring 8. Material may be fed to the beater through a conduit 19 around which a cooling-jacket may be provided.
Patent GB-929323-A (GB)
Title: Improved flexible coupling particularly for turbine-generator equipment
Inventor: WHITEHOUSE REGINALD GEORGE
IPC: F16D3/72
Filed: 1961-05-17
Abstract: 929,323. Universal Joints. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. April 16, 1962 [May 17, 1961], No. 17995/61. Class 80 (2). A coupling for two substantially coaxial rotatable members 1, 2 comprises a thin tubular member 10 formed with a plurality of peripheral corrugations 13, the ends 11, 12 of the member respectively connected to the rotatable members, and an axial tie-rod 14 passing centrally through the tubular member and secured rigidly to the rotating members. Flanges 15, 16 on the tie-rod are clamped against the ends of members 1, 2 by recesses 17, 18 in the end flanges of the tubular member, the flange 16 being threaded on the tie-rod 14 to facilitate assembly.
Patent GB-886767-A (GB)
Title: Improvements in or relating to epoxy resin compositions
Inventor: HALEWOOD PAUL
IPC: C08L63/00
Filed: 1958-06-05
Abstract: Curable compositions comprise (a) an epoxy resin and (b) a reaction product obtained either by reacting in aqueous solution a mixture of (1) a phenol having at least one position o or p to a phenolic hydroxyl group unsubstituted, (2) formaldehyde, and (3) an aliphatic amine or a mixture of aliphatic amines containing H attached to N, or by reacting (1) with a reaction product of (2) and (3) the final reaction product containing at least 1H attached to N per average molecule.  Epoxy resins (a) are defined as polyglycidyl ethers of polyhydroxylated hydrocarbons and polyglycidyl esters of polybasic organic carboxylic acids.  For processes of (b) (see Group IV(b)); compounds specified are: (1) phenol, o-cresol, p-tert. butyl phenol, benzyl or a - or b - phenyl ethyl phenols, hydroquinone, resorcinol, bisphenol A, 2,21- and 4,41-dihydroxydiphenyl, 4,41-dihydroxydiphenyl sulphone, and a mixture of 2,4- and 2,6-bis-(dimethylaminomethyl)phenols; (2) formalin; (3) ethylene diamine, diethylene triamine, triethylene-tetramine, N,N-dimethyl-1,3-diaminopropane, and a commercial mixture of hydroxypropyl-triethylene tetramines.  Comparative examples make use of triethylene tetramine and tris(dimethylaminomethyl)phenol.ALSO:Compounds containing at least one H attached to N per average molecule, of which the following is a typical example <FORM:0886767/IV (b)/1> are prepared by reacting in aqueous solution either (a) a mixture of (1) a phenol having at least one position o or p to the phenolic hydroxyl group unsubstituted, (2) formaldehyde, and (3) an aliphatic amine or a mixture of aliphatic amines containing H attached to N, or (b) (1) with a reaction product of (2) and (3). The reaction is preferably started below 30 DEG C. and completed at a higher temperature.  Process (a) may be effected by adding (2) to a mixture of (1) and (3); ethyl alcohol may be used as an additional solvent, and, where necessary, (1) and (3) may be heated together before the addition of (2) in order to effect a satisfactory solution.  In examples: formalin is reacted with mixtures of triethylene tetramine and (1) phenol, (2) o-cresol, (3) p-tert.-butyl phenol, (6) hydroquinone, (7) resorcinol, (10) bisphenol A, (13) 2,21-dihydroxydiphenyl, and (14) 4,41-dihydroxydiphenyl sulphone.  Formalin is reacted with mixtures of N,N-dimethyl-1,3-diamino propane and (8) phenol, (12) 4,41-dihydroxy diphenyl sulphone, and (15) 2,21-dihydroxy diphenyl. Formalin is reacted with mixtures of p-tert.-butyl phenol and (4) diethylenetriamine and (5) ethylene diamine.  In (9) formalin and triethylene tetramine are added to a mixture of 2,4- and 2,6-(dimethylaminomethyl) phenols, which is prepared in situ from phenol, dimethylamine and formalin. In (11) phenol is added to the reaction product of formalin and triethylene tetramine.
Patent GB-596418-A (GB)
Title: Improvements in or relating to relays for transmitting or recording movements
IPC: G01D5/20
Filed: 1945-07-16
Abstract: 596,418. Electric indicating systems. POOLE, R. July 16, 1945, No. 18140. [Class 40 (i)] [Also in Group XXXV] In remote control or recording apparatus comprising a transmitting transformer of which the primary and secondary windings are relatively movable in accordance with the movement to be recorded or transmitted, the primary has a magnetic circuit so dimensioned as to be saturated at voltages below the normal. The effective constancy of the supply voltage is given by supplying such a voltage that the device itself is saturated or by supplying a constant current with the aid of a saturated transformer or barretter, or two or more of these expedients may be used together. As shown, the primary winding B<1> is carried in two parts at the ends of core B mounted to rock about the axis of cylindrical core A<3> in shaft B<2> which is connected to the member, the movements of which are to be transmitted or recorded. The fixed secondary winding is formed in two parts disposed mutually opposite rotmd the inner surface of core A<3>. Primary winding B<1> is energized through spiral springs which surround and control the movement of the shaft B<2>. Specification 566,536, [Group XX], is referred to.
Patent GB-181643-A (GB)
Abstract: 181,643. Knapp, G. A. Sept. 12, 1921. Window frames; sills.-The reveal and sill and front edge facing the inside of a window &c. opening are covered by a metal casing joined at corners by countersunk brackets 14 and screws and nuts 15, the screw-heads being preferably welded to the surface of the metal. The inner edge of the metal has a double bend and has apertures 27 formed thereat to key with the plaster. The flange 28 is nailed to the wall.
Patent GB-680856-A (GB)
Title: Improvements in display busts and lay-figures
Inventor: ADEY FRANK DOUGLAS
IPC: A47F8/00
Filed: 1950-07-21
Abstract: 680,856. Lay figures. HARRIS & SHELDON, Ltd. May 23, 1951 [July 21, 1950], No. 18229/50. Class 52(v) A lay figure comprises two hinged shoulder portions 3 jointed to links 11 attached to a nut 9 fitted on a screw-threaded shaft 7. The shaft passes up through a partition 5 and is rotated by means of a cranked handle 14. Rotation of the shaft causes the nut 9 to ride up or down thereon thus moving the shoulder portions. A stop 17 limits upward movement of the nut. The rear of the lay figure is formed with a slot carrying resilient material 16 to take up any excess material in the garment. Specification 511,630 is referred to.
Patent GB-1028627-A (GB)
Title: Improvements in or relating to filing systems
Inventor: KELL JAMES EDWARD
IPC: B42F21/08
Filed: 1963-05-08
Abstract: 1,028,627. Filing papers. TWIN LOCK Ltd. Aug. 10, 1964 [May 8. 1963], No. 18229/63. Heading B6E. An index tab for a suspension rail on the files or folders of suspension filing systems, or for dividers in these systems, can be snapped into engagement with the rail intermediate the ends of the latter and slid along the rail, and comprises a sheet metal or plastics tablet 7 having at least two tongues 19, 21 which extend from the tablet on the same side thereof and are directed towards one another, the tongue 19 being relatively long and resilient, and the tongue 21 being relatively short and rigid. Tho lower marginal portion of the suspension rail 2, Fig. 1 (not shown), is bent out to form a lip 4 which defines a downwardly open channel so that, when the tab is pressed on to the rail, the tongue 21 snaps behind the rail lip and the tongue 19 is pressed against the back of the rail. As shown, there are two pairs of opposed tongues 19, 21, and between these there is a resilient tongue 14 formed with a pimple 16 which can engage in one of a number of holes in the suspension rail to locate the tab in a selected position. A label 8 is held against the tablet 7 by a transparent shield 9 which is located on the tablet by a projection 17 on the latter engaging a hole in a folded part 18 of the shield. The tablet may be of sheet metal, in which case the tongues and projections are struck out therefrom. In a modification (Fig. 4, not shown), the tongues 19 are stiffened by ribs formed therein, and the slots which are formed in the tablet body when the tongues are struckout, are further enlarged and made substantially rectangular in shape, to facilitate the ready stacking of a number of tablets one on the other for storage. The tablet can also be moulded from plastics material, complete with tongues and slots.
Patent GB-940548-A (GB)
Title: Prefabricated building material
Inventor: GREENSMITH ROBERT HENRY
IPC: E04C2/24
Filed: 1961-05-19
Abstract: 940,548. Laminates. DISTILLERS CO. Ltd. April 11, 1962 [May 19, 1961], No. 18258/61. Heading B5N. A roofing or other building material comprises a sheet of corrugated or other asbestos-cement bonded by adhesive to a sheet of expanded plastics material of greater thermal insulation value. The expanded plastics material preferably comprises foamed non-inflammable polystyrene but may comprise foamed P.V.C. or polyurethane, or foamed phenol-formaldehyde or urea-formaldehyde resins. The adhesive used is preferably urea-formaldehyde. The foamed sheet is preferably - bonded over the whole surface of the corrugated or other asbestoscement sheet. A layer of aluminium or other metal foil may be bonded to the free surface of the foamed sheet, preferably over the whole of its surface whether or not corrugated.
Patent GB-1493992-A (GB)
Title: Coupling arrangement for connecting dielectric light waveguides
IPC: G02B6/38
Filed: 1975-05-01
Abstract: 1493992 Connecting light guides LICENTIA PATENT VERWALTUNGS GmbH 1 May 1975 [10 May 1974] 18259/75 Heading G2J Two fibres are connected by a frusto-conical projection on one fibre 10 mating with a comp-  lementary recess in the other fibre 11. The fibres' ends may be inserted in a tube 12 to assist mating. Tube 12 may be glued to one or both fibres. An index-matching oil may be applied to the joint. The fibres may have an overall diameter of 100 Ám and a core region of 4 Ám. The shell region may be pure quartz glass whereas the core region may be quartz glass doped with GeO, P 2 O 5  or Al 2 O 3 . Alternatively, the core may be pure quartz glass and the shell region may be highly doped quartz glass. Alkali silicate glass may also be used. To form the projection, the end of fibre 10 may be immersed in an etchant which acts only on the shell region, while the end of fibre 11 is immersed in an etchant which acts only on the core region. Alternatively, if no such suitable selective etchants can be used, a positively operating photoresist may be applied to the end of fibre 11, the photo-resist is exposed to laser light passing through the fibre, the unexposed photo-resist is removed and a non-selective etchant is used to act on the core region to form a recess. The projection on fibre 10 is made using negatively operating photoresist in an analagous way.
Patent GB-1358348-A (GB)
Title: Wiper carriages for use with automatic telephone two-motion sele ctors
IPC: H01H67/16
Filed: 1972-12-11
Abstract: 1358348 Electric selectors PLESSEY CO Ltd 11 Dec 1972 [20 April 1972] 18330/72 Headings H1L and H1N A wiper carriage for two direction motion selection as in a 2000 type selector has a rotary ratchet 12 and vertical ratchet 13 manufactured in plastics material as an integral moulding on the carriage tube 10. The end of the carriage tube may have holes 17 for the plastics material to fix therein and a cam 16 and disc 15 may be secured by plastics material in notches 20 and holes 21, 22. The cam and disc may be integrally moulded with the ratchets.
Patent GB-516149-A (GB)
Title: Improvements in or relating to navigation aiding radio transmitters
IPC: G01S1/02
Filed: 1938-06-21
Abstract: 516,149. Directive wireless signalling. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., and WITT, B. J. June 21, 1938, No. 18480. [Class 40 (v)] The two aerials of a navigational transmitter of the overlapping-beam type are alternately coupled to and decoupled from the transmitter by a rotating condenser having at least two stators, the vanes of which are so shaped and disposed as to produce complementary signals, say the Morse letters E and T in sequence. As shown in Fig. 1, the condenser is inserted in the output feed-line 5, 6 from the amplifying valves 1, 2 of the H.F. generator, and passes power from the feed-line to the transmitting aerials 15, 17 in the sequence stated. The rotors 8,9 are mounted on a common rotating shaft 5, Fig. 2, and engage with the stators 10, 11 for " dot " and " dash " periods respectively. Discs 12 may co-operate with a third set of stator vanes 13 to provide a constant coupling factor between the rotary blades 8, 9 and the feeder 5, 6, the inner conductor of which is then connected to the stator 13 instead of to the condenser shaft. Series inductances 14, 16 counteract undesired capacity effects introduced by the coupling condenser.
Patent GB-770149-A (GB)
Title: Improvements in mechanical ensilage loaders
IPC: A01F25/20
Filed: 1955-06-27
Abstract: 770,149. Endless belt conveyers. OSWALT, H. L. June 27, 1955, No. 18538/55. Class 78 (1). A device for removing ensilage from a trench silo comprises a motor vehicle on which is mounted adjustably an endless elevator provided with a rotary feeding device having backwardly leaning blades which press on the surface of the ensilage. A boom 48, Fig. 2, pivoted to the elevator framework has a shaft 54 mounted on its outer end. Two pairs of wheels 58, 60 are mounted on the shaft and the members of each pair are connected by angleirons 64. Each of the wheels 58, 60 carries a number of outwardly-extending angle members 66 which are inclined as shown to the direction of rotation indicated by the arrow. Curved blades 68 having serrated edges 70 are mounted on the members 66. Rings 72 are secured to the outer ends of the blades. In a modification a continuous band 384, Fig. 12, arranged to form a helix is wrapped around and secured to each of the blades 382 and spring fingers 386 are mounted on the blades to project beyond their edges. The fingers on adjacent blades are in staggered relationship. The end rollers 76, Fig. 8, of the elevator 74 are of squirrel-cage formation. Each comprises a shaft 92 which carries two end discs 94 and a larger central disc 96. The periphery is formed by a series of rods 98 arranged in herringbone formation and welded to the discs. The upper end of the elevator is provided with a windshield having a curved top. It contains an adjustable baffle.
Patent GB-400565-A (GB)
Title: Improvements in saw blades and method of making same
IPC: B23D65/00
Filed: 1933-06-30
Abstract: 400,565. Saws. THOMPSON & SON CO., H. G., Chapel Street, New Haven, Connecticut, U.S.A. June 30, 1933, No. 18627. Convention date, May 31. [Classes 61 (ii) and 145 (ii).] A hack or band-saw blade having cutting teeth of high speed or tool steel such as a molybdenum or tungsten alloy steel and the blade of a tough flexible metal such as a steel of low carbon content, has the high-speed steel in the form of a core extending lengthwise of the blade and exposed at one edge thereof while the main body extends over the inner edge and well over both sides of the core. Teeth 14, Fig. 14, are formed in the core metal 13, the blade metal 12 extending over the core up to the inner edge of the teeth. The blade metal 15, Fig. 19, may extend at 16 up to the top of the teeth, but is bevelled so that it does not extend laterally beyond the teeth. Specification 377,146 is referred to.
Patent GB-530535-A (GB)
Title: Improvements relating to slicing machines
IPC: B26D7/12
Filed: 1939-06-27
Abstract: 530,535. Sharpening slicing-machine cutters. BERKEL & PARNALL'S SLICING MACHINE MANUFACTURING CO., Ltd., and THOMAS, H. June 27, 1939, No. 18636. [Class 60] Relates to grinding-means for the circular cutters of slicing machines of the type in which the device is displaceable into and out from an operative position and consists in a holder mounted for pivoted and sliding displacement such that by pressing towards the cutter the holder is displaced at a level clear of the cutter into the cutter plane and then pivots automatically into the operative position. The holder 7 is carried by an arm 9 having a boss 11 and extension 10. The extent of both longitudinal and pivotal movement is limited by a pin 14 and arcuate slot 15. The boss is mounted on a pivot pin 12 partly hollow to contain a spring 18 retained by a cap 16. In the inoperative position the surface 10a rests against the flange 19 of a nut screwed on a stud 21. If the holder 7 be pushed towards the cutter as soon as the grinding-wheels are in the operative plane the projection slides off the flange and the arm rotates by gravity till the surface 10b contacts with the eccentric portion 20 of the nut. The handle 8 is then operated to press the grinding wheels axially into contact with the cutter under spring pressure as described in Specifications 327,331 and 315,655, [both in Class 60]. As the cutter wears, shims or washers are placed beneath the nut so that the eccentric portion assumes a different position enabling the arm to swing through a greater angle. After grinding the arm is rocked to bring the wheels clear of the cutter when the spring 18 returns the holder to its initial position.
Patent GB-393766-A (GB)
Title: Improvements in centrifugal machines and methods for casting metals
IPC: B22D13/02
Filed: 1932-07-01
Abstract: 393,766. Casting-machines. DURAFER, Inc., Newark, New Jersey, U.S.A. July 1, 1932, No. 18645. Convention date, July 2, 1931. [Class 83 (i).] Metal-pouring.-In centrifugal casting the molten metal is poured eccentrically into a rotating gate q which causes it to whirl as it enters the mould k. A machine for casting an artillery shell has a table a, supported on rollers b and driven through interchangeable gears e<2>, f, by a motor f<2>. The table carries a sand core i, centred by a knob a4, and mould halves k, k<1>, Fig. 3, supported by projections k<6> engaging guides l and opened and closed by hand-operated screws o. The mould halves have grooved edges k<2>, Fig. 3, and are clamped by bolts k<4>.
Patent GB-1113680-A (GB)
Title: Dispensers for creams, liquids or the like
IPC: A47K5/12
Filed: 1966-04-28
Abstract: 1,113,680. Reciprocating pumps. J.A. BRIGHTWELL. April 6, 1967 [April 28, 1966], No.18666/66. Heading F1A. A dispensing pump for cream or liquid comprises a casing 1 receiving a replaceable can 2 of cream or liquid and a bucket pump 3 mounted in casing 1 to depend into can 2, a follower 5 with a flexible skirt 6 being slidable on pump cylinder 4 and the pump plunger 12 being moved downwardly against a spring 11 to dispense a shot of cream or liquid into the palm of the hand of a user, the back of the hand being used to depress a hinged plate 24 engaging plunger head 10. The fingers pivot against a fixed plate 23 and the cream or liquid is discharged through a nozzle 20. The pump incorporates a bucket valve 13 and a foot valve 17. The can 2 is replaced by releasing a recessed bolt 31 with a suitable tool to open closure 29, and swinging a support link 26, 27 to one side, the link carrying the nut 28 engageable by bolt 31.
Patent GB-814756-A (GB)
Title: Method of and apparatus for treating grains of cereals and the like
IPC: B02B1/08
Filed: 1956-06-15
Abstract: 814,756. Roasting, cooking and sterilizing coffee, cocoa and grain. PROST, J. June 15, 1956 [June 23, 1955], No. 18677/56. Class 58. [Also in Group XIII] Apparatus for the fluidized roasting, cooking, sterilizing and drying of coffee or cocoa beans and cereal grain such as wheat and maize comprises a plurality of successive, intercommunicating compartments 11, 12 and 13, Fig. 1, having perforated bases 17 forming the tops of chambers 18, 19 and 20, from which hot gas, e.g. air or steam, is blown through a bed of the beans or grain supported on the bases, the compartments being separated by partitions 14 and 15, which are not as high as the bed is deep, so that beans or grain can move from one compartment to the next. The compartments are enclosed by a casing 10, in which gas is collected. This gas is returned by a fan 32 to the chamber 19 through a conduit 33, in which a dustextractor may be fitted. Hot gas is supplied to the chambers 18 and 20 through conduits 22 and 23. The chamber 19 is connected to the chambers 18 and 20 by conduits 51 and 52 provided with valves 53. A cooling compartment 16 having a perforated base may be provided, cold gas, e.g. air, being supplied to its associated chamber 21 through a conduit 25. The supply of gas to the chambers may be continuous or pulsating. Baffles 26, 27, 28 and 29, extending partly into the bed, are provided. The beans or grain may enter the apparatus through an inlet 30 and leave by an outlet 31. The compartments 11 to 16 may have a common base in the form of a perforated plate, which may be vibrated separately, or together with the compartments.