baber/WOPTO huggingface dataset:
Patent GB-594800-A (GB)
Title: Manufacture of acyloxy-carboxylic acids and salts thereof
IPC: C07C59/08
Filed: 1945-04-24
Abstract: Salts of acyloxy-aliphatic carboxylic acids are prepared by heating an alkali metal, ammonium or alkaline earth metal salt of a monohydroxy-aliphatic carboxylic acid containing not more than three carbon atoms, or a salt of such an acid with a secondary or tertiary organic base, with an aliphatic or aromatic carboxylic acid having a lower dissociation constant in water than the acid of the said salt, in the presence of a liquid which is distilled during the reaction to entrain water formed by the acylation.  The water entraining-liquid may be immiscible with water and the mixed vapours of the water entraining-liquid and of water may be condensed as they are evolved from the reaction mixture, and the water-entraining liquid which separates from the water upon condensation is returned to the reaction mixture.  The salts may be converted into the corresponding acyloxy-aliphatic carboxylic acids by treatment with a strong acid either under anhydrous conditions or at a temperature not exceeding room temperature.  In examples: (1) sodium a -acetoxy-propionate is prepared by heating sodium lactate, glacial acetic acid and xylene until no more water can be collected and the acid may be liberated by treating the salt with concentrated sulphuric acid and glacial acetic acid at 15 DEG  C.; (2), (3), (4), (5) and (6) by a similar method, the sodium salts of a -benzoyloxy-propionic-, a -propionoxy-propionic-, acetoxy - acetic-, a  - caproxy - pro - pionic- and a -stearyloxypropionic acids are prepared; (7), (8) and (9) by using potassium, barium and calcium lactates as in (1), the potassium, barium and calcium salts of a -acetoxy-propionic acid are obtained; (10) the salt formed by the addition of monomethylaniline to lactic acid is treated as in (1) to yield the monomethylaniline salt of a -acetoxy-propionic acid.
Patent GB-1171206-A (GB)
Title: Method of Covering Articles with a Web of Material
Inventor: GILLAM DENYS EDGAR
IPC: A47C31/00
Filed: 1967-03-04
Abstract: 1,171,206. Mattresses &c. BRITISH FURTEX Ltd. 11 Jan., 1968 [4 March, 1967], No. 10335/67. Heading A4M. An article of furniture is upholstered by first covering the article in an envelope of flexible heat-shrinkable material and then subjecting the material to heat to cause it to shrink on to the article. As shown a cushion or mattress comprises a block 10 of foamed rubber or polyurethane fitted into a loose-fitting cover sleeve 11 prior to stitching the cover ends 12 and application of heat to shrink the cover 11. The cover may be a knitted fabric or film and may comprise plastics filaments. The heating time may be in the range 10 secs to 15 mins. and the temperature 90‹-150‹C. Steam heating may be used to shrink the cover. Alternatively, a cover may be shrunk on to a chair or settee.
Patent GB-761659-A (GB)
Title: Wave-guide arrangement consisting of dielectric material
IPC: H01P3/10
Filed: 1953-04-15
Abstract: 761,659. Waveguides. SIEMENS & HALSKE AKT.-GES. April 15, .1953 [April 15, 1952; Aug. 21, 1952; Aug. 21, 1952; Aug. 21, 1952; Sept. 10, 1952], No. 10360/53. Class 40 (8). A tubular waveguide of circular, elliptical or polygonal section is made of dielectric material, the dimensions of the tube and the dielectric material being such that a large part of the energy is transmitted both inside and outside the tube. As applied to the propagation of a TM wave excited by an exciter 2, Fig. 3, the guide may include longitudinal bands 4a, 4b, Fig. 4, or filaments 5 of hemp or Perlon cord. Alternatively, rigid bands or filaments of dielectric material may extend helically in opposite directions on the surface of the guide. In a further modification, the guide may have an internal support 6, Fig. 5. As applied to the propagation of a TE wave excited by a metal ring, the guide may have a central steel wire 8, Fig. 7, and the bands and filaments of the guide may be made of metal. As applied to the propagation of an HE wave the guide may have metal strips 11, 12, Figs. 9 and 10. The strips may project beyond the guide, to enable the guide to be suspended. The guide may be formed from layers of materials wound in opposite directions, Fig. 21. The guide may be excited by horns and the guide may be thickened where it adjoins the horn, Fig. 13. Where a guide includes branches it may be thickened at the branch. The thickened part may be of double conical or pear-drop form (Figs. 14 and 15, not shown) and may be of conductive material. The horns may have an extension of truncated conical form (Fig. 25, not shown). The opening of the horns may be protected by plates of insulating material. Known forms of exciting devices are shown (Figs. 16 and 17, not shown). A parabolic reflector is shown in Fig. 18 which feeds a wave through a hollow conductor 24 and horn radiator 25 to the guide 26. The horns and parabolic reflectors may consist of wire meshes, woven fabrics, and gauges, the spaces being filled with plastic material, alternatively they may consist of material having a high dielectric constant. The guides may be supported from a cable which may be an existing high tension line or earth line. The guide may be supported within a cage consisting of a number of cables. The intervals between the points of suspension of the cable are arranged to be unequal. At the points of suspension, a groove may be formed in the guide to take the suspension device. The guide may be thickened or may have conducting plates at the point of suspension. A guide is shown suspended from masts and fixed to wall brackets (see Figs. 19 and 20, not shown). The guide may be provided with metallic or non-metallic screens in the form of tubes enclosing the guides. The guide being centred by spacing members of e.g. foamed material. The metallic screen may be in the form of a water-tight aluminium sheath. The guide may be filled with either compressed air or foamed material. To prevent sagging the guide material may be prestressed.
Patent GB-178829-A (GB)
Title: Improvements in and relating to the generation of live steam
IPC: F22B1/20
Filed: 1922-04-11
Abstract: 178,829. Koenemann, E. April 22, 1921, [Convention date]. Caustic soda and like boilers.-In a caustic soda or like boiler, the heat generated by mixing exhaust steam with the concentrated lye is used for evaporating the diluted lye. Hot concentrated lye passes upwardly through a coiled pipe 5 in the boiler 3 and is led through a pressure-reducing valve 6 into a chamber 7 supplied with exhaust steam. The mixed steam and lye passes through heating coils 8, 9, 10 on the boiler in turn, additional exhaust being added before entering each upper coil. A pump 11 forces the diluted lye back into the boiler. The steam generated is used for heating or power purposes. The last heating coil containing the finally diluted lye may be led through a compartment at the bottom of the boiler under reduced pressure. Additional water may be added to the lye before entering the evaporator, the additional heat required for evaporation being supplied from an external source. The concentrated lye and exhaust steam may be mixed in an injector 15, Fig. 4, the mixture being led upwards through a coiled pipe 18 in the evaporator. The mixture may enter a tank, from which it is discharged under reduced pressure, the steam so generated being led off for use, and the remaining lye may be evaporated by an external source of heat.
Patent GB-740227-A (GB)
Title: Improvements in stocking display stands
IPC: A47F7/10
Filed: 1954-04-09
Abstract: 740,227. Lay figures. WIDELUND, G. L., and WIDELUND, G. K. R. April 9, 1954 [April 13, 1953], No. 10449/54. Class 52(5). [Also in Group XVIII] A display leg for a stocking is shaped as shown and provided with grooves 14, 21 to receive the clamping yoke of a display stand and the seam of the stocking respectively. The leg may be provided with a recess 13 for receiving the upper portion of the stocking. The toe portion may be formed with a recess having a depth decreasing in stages from the tip to receive the stretched toe tip of the stocking which is inserted therein and secured by an adhesive strip.
Patent GB-752453-A (GB)
Title: Improvements in and relating to couplings for irrigation pipe lines
IPC: E02B13/00
Filed: 1953-04-16
Abstract: 752,453. Joint-making packing. ROWE, O. W. April 8, 1954 [April 16, 1953], No. 10455/53. Class' 122(3) [Also in Group XXVIII] A rubber gasket 8, Fig. 3, for sealing the couplings of irrigation pipe-lines comprises an annular part 8a and a flared part 8b respectively forced by water pressure against the wall of a socket 1 and the end 3a of a spigot 3. In modifications, (a) the gasket has a wall 8c, Figs. 23, 24, of conical' form extending towards the axis of the gasket and to a central opening 31 from which radiate a number of cuts 32 ending in orifices 32a to provide a series of triangular flaps 33 which are forced by water pressure into and against the wall of the spigot, (b) the annular wall of the gasket is corrugated as shown at 36, Fig. 28, and there is a radial wall 37, and a flange 39 secured by a ring 38 to a shoulder of the socket, (c) the gasket is provided with an external moulded ridge 49, Fig. 29, located in a correspondingly shaped groove in the socket and is held in place by a spring-ring 47 fitting in a groove on the inner side of the annular part of the gasket, and (d) the flange 8e shown in Fig. 24 is dispensed with.
Patent GB-350628-A (GB)
Title: Amusement device
IPC: A63G1/24
Filed: 1930-04-02
Abstract: 350,628. Roundabouts. SHERRY, J. A., 1119, North Main Street, Fall River, Massachusetts, U.S.A. April 2, 1930, No. 10473. [Class 132 (i).] Roundabouts of the type in which vehicles having a frame and a body are guided upon a track are characterized by means effected by the movement of the vehicle for vertically oscillating the body of the vehicle independently of any movement of the frame. Compound swinging motion is imparted to the vehicles, both lengthwise and crosswise, as they move, appropriate mechanism enabling passengers to increase the compound swinging movement to a maximum and automatically effecting reduction to a minimum when the vehicles are not under control. As shown in the Figure, the eccentrics 40 on wheels 41 and the levers 36 vertically reciprocate the supports 28 of the rear of the car the springs 30, 31 resiliently supporting the body. Rotation of the hand-wheel 59 moves the slides 34 along the levers 36, through the transmission mechanism comprising the universal joint 56, the bevel gear 52, 53, the crank 48, and the pitmans 43, thus controlling the amplitude of the oscillation of the rear end of the body. The spring 60 automatically reduces the movement to a minimum when the steering wheel is freed. As the wheels 41 turn independently at different speeds the phase variation of the eccentrics 40 gives the vehicle body a crosswise oscillatory movement.
Patent GB-105467-A (GB)
IPC: G03B21/32
Abstract: 105,467. Lleo, A., and Baradat, C. June 24, 1916. Kinematograph apparatus.-The mechanism of a kinematograph camera is driven by an electric motor 9 mounted within the casing and supplied with current from a storage or other battery 12. In order to start the motor, the switch 23 has mounted thereon a pawl 22 engaging a ratchetwheel 38, by means of which the shaft 37 is rotated as the current is switched on. In order that the apparatus may be used for taking single pictures, a disk 19 provided with a notch 20 is mounted on a spindle 37. A rod 26, acted on by the spring 27 and carrying a tooth 35 to engage the notch 20, is normally held out of action by a lever 28. When single pictures are to be taken. the rod is released ; on switching on the motor, the disk 19 makes one rotation, whereupon it will be locked by the tooth 35; on switching off, the arm 24 engages the pin 25 on the rod 26 and thus removes the tooth 35 from the notch 20.
Patent GB-382874-A (GB)
Title: Improvements in or relating to electrical motors
IPC: H02K23/42
Filed: 1932-04-13
Abstract: 382,874. Motors. BOSCH AKT.-GES., R., 4, Militõrstrasse, Stuttgart, Germany. April 13, 1932, No. 10553. Convention date, April 20, 1931. [Class 35.] The armature or fieldmagnet polepieces of a motor having a threelimbed armature are provided with slots extending in the axial direction or with extensions to obviate " dead " points. In the form shown in Fig. 2, two of the four field-magnet polepieces f have extensions g at diametrically opposite points, and the field magnets may be arranged to produce two or four poles. In the form shown in Fig. 3, the upper polepiece has an extension so that the two polepieces i are unsymmetrical with respect to the yoke portion h of the magnet, and this construction may be applied to motors with two horseshoe magnets. In an alternative, form, a two- or four-pole motor with one or two horseshoe magnets has an axially-extending slot in the centre of the periphery of each armature polepiece. Specification 373,388 is referred to.
Patent GB-373344-A (GB)
Title: Improvements in electric motor starting switches
IPC: H01H71/68
Filed: 1931-04-10
Abstract: 373,344. Actuating controllers; switchgear structures. BROOKHIRST SWITCHGEAR, Ltd. and HIRST, J. A., Northgate Works, Chester. April 10, 1931, No. 10581. [Classes 38 (iii) and 38 (v).] A change-over alternating-current starting switch C combined with a contactor type circuit-breaker B is provided with an auxiliary switch c26 in the circuit-breaker closing coil circuit, which auxiliary switch is closed when the starting switch is in the starting position shown so that when a start switch P is closed, the circuit-breaker closes only if the changeover switch is in the starting position. The circuit-breaker maintains itself closed over a second auxiliary switch b11, independently of the first-mentioned auxiliary switch c26. When the motor has started the change-over switch is moved by a handle c3 and spring and deadcentre toggle mechanism to the running position in which a further auxiliary switch c27 is closed to short-circuit the start switch P. In a modification the start switch P is adapted to be operated by a rotation of the handle c3 about its axis. The arrangement may be adapted for star-delta or autotransformer starting, and is applicable to switchgear of the type described in Specification 361,368.
Patent GB-564465-A (GB)
Title: Improvements in or relating to record material, feeding devices for writing or imprinting machines
IPC: B41J11/28
Filed: 1943-06-30
Abstract: 564,465. Typewriters &c. WILLIAMS, W. P. (Standard Register Co.). June 30, 1943, No. 10633. [Class 100 (iv)] A strip feeding and aligning device for feeding manifold assemblies of printed forms to printing or writing apparatus on typewriters, tabulating, book - keeping and addressing machines is constructed with means for feeding the forms either by friction rollers or by pin feed wheels, and is characterized by guiding and supporting means operable at will to direct the record material into engaging relation with the pin wheel 12 or in a path out of such relation. The invention is described in connection with an attachment for a typewriter in which the wheel 12 is mounted on a shaft 9 mounted in frames 6 which are formed with slots 10 by means of which the frames are detachably secured to pins 11 on the main machine frame. The frames 6 are connected by a tie-rod 7 on which is mounted the guide plates 23 which as shown in Fig. 4 are mounted so as to guide the record material 5 from the platen 2 to the pin wheel 12 which is driven by sprocket gearing 17, 18, 19 from the shaft of the platen roller 2. The guide plates 23 are slotted in positions corresponding to the pins 13, and other guide plates 25 are set at a short distance from the plates 23 to restrain the outward movement of the record material 5. A guide 4 directs the material 5 to the platen, and a guard 28 prevents contact of the material with the pins before the platen is reached. Both guides 23, 25 are adjustable axially and pivotally on the rod 7, and lateral guides 29 control the edges of the material 5. Feed rollers 3 may be brought into action for frictional feed when the pin feed is not in use, and this permits of erasure and enables all forms of a series to be used so as not to interfere with serial numbering. In a modification, the two guides 23 are replaced by a single guide of greater area formed with a series of slots corresponding with the various positions of adjustment of the pin wheels 12 for dealing with sheets of different widths. Specification 452,808 is referred to.
Patent GB-235352-A (GB)
Title: Improvements in loose leaf binders
IPC: B42F13/04
Filed: 1924-04-30
Abstract: 235,352. Hare, F. C. April 30, 1924. Flexible-band files; covers; clamiping-devices. -In a loose-leaf binder of the type in which thongs are attached at one end to a cross-bar, the latter is movable so as to bring the thong attachments to positions where they are accessible without dismantling the cover. The thongs 5 are attached to the cross-bar by arms mounted at right angles thereto so that the screws 21 may be brought under holes 18 in the inner cover or plate 7. The arms comprise upper and lower members 19 between which the thongs are held by the screws 21. The thongs pass through clamping-bars 11 which are tubular and house cranked rods 22, the cranked parts 22a passing through lugs 9 on the plates 7 and serving as hinges, while the remaining parts act as guides for the thongs. The holes 18 may be covered by a lining sheet.
Patent GB-1492451-A (GB)
Title: Method of and apparatus for measurement of flow of particulate material
IPC: G01F1/00
Filed: 1975-03-14
Abstract: 1492451 Measuring the rate of flow COAL INDUSTRY (PATENTS) Ltd 9 March 1976 [14 March 1975] 10714/75 Heading G1A In an apparatus for measuring the rate of flow of particulate material 3 (coal) falling off the end of a conveyer 1, a "shadow profile" is produced (11), Fig.2 (not shown), by a T.V. 12 camera or an array of photodiodes which receive radiation from a source 6 that has not been interrupted by the falling material. The "shadow profile" varies directly upon the cross-sectional area of the particulate material at the end of the conveyer. The T.V. camera or the photodiodes feed a computer 16 which considers the derived signal, together which a measurement of the particle flow velocity, to determine the volume of particulate material conveyed per unit of time. The apparatus may be used with belt weighing equipment to give density measurements.
Patent GB-826749-A (GB)
Title: Improvements in and relating to electrical components
Inventor: CARTER DEREK JAMES
IPC: H01F41/00
Filed: 1956-04-09
Abstract: 826,749. Moulding " potted" electrical apparatus. TELEPHONE MANUFACTURING CO. Ltd. April 9, 1957 [April 9, 1956], No. 10732/56. Class 87(2). [Also in Group XXXV] A toroidally wound inductor carrying an auxiliary coil is encapsulated in an insulating material. Coil 11 is toroidally wound on a core 10 of magnetic dust material and a second coil 17 comprising a few turns of thicker wire is wound on coil 11. The coils 11 and 17 having external connections 12 and 18 respectively, are placed on a plug 14 of epoxy resin as shown. The plug and inductor are then placed in a mould and a synthetic resin 15 which may be similar to the material of plug 14, is cast around the assembly, with connections 12 and 18 projecting. The setting of the resin 15 alters the inductance of coil 11 and the coil 17 may be. connected in series-aiding or series-opposing relation to coil 11 as required. Part of the resin may be machined away as at 15a in order to engage the turns of coil 17 with contact 20 which is rotatable on shaft 19 and thus provides a variable inductor.
Patent GB-101204-A (GB)
Title: Improvements in Automatic Clutch Releases.
Inventor: BRETTELL FREDERICK GILBERT
IPC: F16D43/26
Filed: 1915-08-11
Abstract: 101,204. Brettell, F. G., (Katzinger Co., E.). Aug. 11, 1915. Machines for making boxes. Relates to operating-gear for one-revolution clutches in punching, bending, forming, and like presses, shown applied to the corner-folding machine described in Specification 11574/15. A sliding pin clutch, carried in a driven disk 11 and adapted to engage a recess in the driving fly-wheel 6, is operated by a spring-pressed sliding cam 18 normally held in disengaging position by a spring 27 on a treadle lever 26, which carries a lug 25 engaging a notch 24 in a link 23 operating the cam 18 through a lever 22. The treadle lever 26 is lowered to release the clutch pin, which is engaged by spring action, and the cam 18 disengages the clutch at the end of the revolution, whether the foot is removed or not, as a cam 29 on the disk 11 strikes a lever 31 with a slot 33 engaging a roller 34 on the link 23, and disengages the link 23 from the lug 25, so that the spring 21 returns the cam to disengaging position.
Patent GB-863769-A (GB)
Title: Bonded hydrocarbon resin-solid substrates compositions and their production
IPC: H01B9/02
Filed: 1959-03-31
Abstract: 863,769. Laminates; coated films. DU PONT DE NEMOURS & CO., E. I. March 31, 1959 [April 14, 1958], No. 10752/59. Class 140. [Also in Group IV (a)]  Laminates e.g. films and shaped articles, are obtained by contacting a polar, solid substrate with a composition comprising a polymer of a mono-olefinic hydrocarbon with a melt index between 0.1 and 10, e.g. polyethylene and polypropylene and between 0.25 and 10.1 by weight of a polyallyl ester of cyanuric acid or a polyallyl melamine. A compound that decomposes to yield free radicals at from 170‹ to 270‹ C. e.g. dicumyl peroxide may also be present. The substrate, e.g. aluminium foil or polyethylene terephthalate, may be contacted with the molten composition at between 170‹ C. and 300‹ C. The polyallyl derivatives may be masticated with the polyolefine, coated on to granules thereof, or coated on the substrate before lamination.
Patent GB-473245-A (GB)
Title: Improvements relating to dry gas meters
IPC: G01F3/22
Filed: 1937-04-15
Abstract: 473,245. Gas meters. ALLGEMEINE ELEKTRICITATS-GES. April 15, 1937, No. 10778. Convention date, April 15, 1936. [Class 54] In a dry gas meter fitted with valves which are changed over by a reversing lever controlled by a member operated from the diaphragm, the diaphragm is prevented from moving beyond its normal end positions by a part carried by the control member engaging a resilient stop. In the apparatus shown, a shaft 1 oscillated by the diaphragm carries a control member 2 having a bent portion 4 which in the end positions of the diaphragm engages one of the two end faces 9, 10 of a recess 5 in a stop disc 6 of hard paper or a moulded material. The stop disc 6 is freely mounted on the shaft 1 but is held against displacement by a spring 7 having its upper end held by a U-shaped holder 8 and clip 11. The member 2 carries release segments 3 controlling the operation of the valve reversing lever as described in Specification 456,013 or 467,233.