baber/WOPTO huggingface dataset:
Patent GB-702753-A (GB)
Title: Salts of hydroxyglutaconic aldehyde dianils
Inventor: SEED LESLIE
Filed: 1950-12-14
Abstract: Hydroxy-glutaconic aldehyde dianil salts of typical formula:-<FORM:0702753/IV(b)/1> are prepared by intimately mixing furfural and a strong acid, e.g. hydrochloric, nitric, sulphuric or phosphoric, in the presence of a primary aromatic amine, e.g. aniline, toluidine or xylidine and a small proportion of water but no organic solvent.  The strong acid may be present as its aromatic amine salt, in particular aniline hydrochloride, and the conditions of mixing are such that furfural should only be combined with the acid or amine salt when the desired aromatic amine is present.  In examples (1) Aniline and furfural are mechanically mixed yielding furfurylidene-aniline which on treatment with aqueous aniline hydrochloride gives a blue pasty solid which is vacuum dried.  (2) Furfurylidene-aniline is treated with aniline and then hydrochloric acid, when the mixture solidified to the hydroxy-glutaconic dianil chloride as in (1). (3) Aqueous furfural and aniline containing aniline hydrochloride were rapidly mixed and the product isolated as before.  The blue-red solid which results may be dried at 130 DEG C. and possesses soil-water-proofing properties.
Patent GB-978450-A (GB)
Title: Observation mirrors for vehicles
IPC: B60R1/06
Filed: 1962-08-09
Abstract: 978,450. Rear-view mirrors. H. P. SMALLBONE. July 31, 1963 [Aug. 9, 1962], No. 30521/62. Heading B7J. An external rear-view mirror for a vehicle comprises a holder 1, a reflector 2 and a pivotable wiper blade 3 to clean the surface of the reflector, the blade being secured to a spindle 4 mounted in bearings 5 in the holder, the spindle being rotatable in one direction by a compressed air bellows 6 against the urge of a spring 11. One end 6a of the bellows is secured to the holder 1 and connected at 12 to a source of compressed air through a manually operable valve (not shown) in the vehicle. The other end 6b carries a rod 7 slidable through a sleeve 8 carried by the holder. The end of the rod 7 has a shoulder 7a carrying a peg 9 engaging the bifurcated end of an arm 10 secured to the spindle 4. Another arm 13 secured to the spindle is connected to one end of the spring 11 whose other end is secured to the holder. The bellows may be suction operated. If desired, the wiper may be operated by a flexible cable either manually or by an electric motor.
Patent GB-1277008-A (GB)
Title: Improvements in or relating to automatic turret lathes
Inventor: HARKNESS LESLIE
IPC: B23Q5/34
Filed: 1968-06-26
Abstract: 1277008 Parting-off WARNER SWASEY ASQUITH Ltd 26 Sept 1969 [26 June 1968] 30551/68 Heading B3T In an automatic turret lathe which has a plurality of cross-slides 22, 24 and a tool carrying slide 44 mounted on a tool turret 16, means is provided to effect parting-off of a workpiece in which one of the cross-slides is adapted to engage, during its retraction from the workpiece, with a tool slide on the turret and to pull the turret tool slide which carries a parting-off tool 52 into the workpiece. The operative engagement between the two slides is effected by a latch member 82 on the cross slide 22 which in course of retraction engages with a pivotable hook latch member 64 carried on the turret tool slide and which remain in engagement until arm 72 on the latch lever 64 engages an adjustable stop 90 on the turret slide mounting thereby pivoting the latch 64 and disengaging the levers 64 and 82 the turret tool carrying slide being returned by springs 54, 56 to its inoperative position in which the parting-off tool is clear of the workpiece location. Operating in sequence with the parting-off slide and carried thereby is a stock stop 108 which is mounted on a pivotable arm 104 and biased by spring means (not shown) out of alignment with the workpiece 12. During the parting-off movement of the turret tool slide a lever 116 thereon engages a pin 122 on the arm 104 and upon retraction of the tool slide the arm is pivoted into alignment with the axis of the workpiece, the bar-stock is then fed axially to abut the stop 108. The subsequent indexing of the turret actuates a release mechanism to release the lever 116 and permit the arm 104 to move out of alignment with the bar and clear of the working space. In an alternative embodiment the stock stop is actuated by hydraulic means controlled by a lever which engages with the hook member on a cross-slide and is operated sequentially in relation to the tool and cross-slide movements, Figs. 6, 7 and 8 (not shown).
Patent GB-733987-A (GB)
Title: Process for the reduction of polyethylene to pulverulent form
IPC: C08J3/12
Filed: 1953-11-05
Abstract: Polyethylene is reduced to pulverulent form by mechanically comminuting pieces which have been swelled in a solvent or mixture or emulsion of solvents at a temperature below that at which the polyethylene dissolves.  The swelled polyethylene may be heated to the plastic stage and admixed with plasticizers, e.g. polyisobutylene, rubber, gutta-percha, asphalt and bitumen, fillers, and pigments, which may be added before or after the conversion to the plastic state.  The mixture is then cooled, solidified and comminuted.  Solvents include aliphatic, aromatic, hydroaromatic and chlorinated hydrocarbons separately or admixed with alcohols, esters or ketones, and in examples perchloroethylene is used.ALSO:Polyethylene is reduced to pulverulent form by mechanically comminuting pieces which have been swelled in a solvent, or mixture or emulsion of solvents at a temperature below that at which the polyethylene dissolves.  The swelled polyethylene may be heated to the plastic stage and admixed with plasticizers, e.g. polyisobutylene, rubber, gutta-percha, asphalt and bitumen, fillers and pigments.  The mixture is then cooled, solidified and comminuted.
Patent GB-895769-A (GB)
Title: Improvements in or relating to shaped silicon nitride bodies and their manufacture
Inventor: PARR NORMAN LAWRENCE
IPC: C04B35/584
Filed: 1959-02-27
Abstract: A shaped body of self-bonded silicon nitride designed to withstand high temperature and to resist creep and thermal shock at such temperature, is made by compacting powdered silicon into a block, firing the block in an atmosphere of nitrogen at below the melting point of silicon and for at least one hour to produce a self-supporting readily machineable block, working the block to the required finished shape and firing the shaped body in an atmosphere of nitrogen so as to effect complete nitriding of the silicon.  The compacting may be done by cold-pressing silicon powder in a die-set, preferably with the addition of a lubricant, e.g. water.  The initial nitriding may be carried out at 1200 DEG C. for one hour.  After machining the partially nitrided block to the required finished shape, the final nitriding may be carried out in two stages, initially at 1250 DEG C., and then at 1450 DEG C.  The product may be provided with a glaze coating by applying a mixture of 5% by weight finely divided alumina, 93% by weight silicon powder and 2% by weight ferric oxide bound together with cetyl alcohol to the cleaned surface of the body, slowly raising to 1300 DEG -1500 DEG C. in oxygen for a period of 3 to 4 hours and then slowly cooling.  The Provisional Specification refers to the use of silicon nitride as a Stator Blade material, an electrical insulator, refractory supports in industrial processes, a dielectric, and a supporting p  vehicle for high temperature catalysts.  Specification 726,812 also is referred to.
Patent GB-1031649-A (GB)
Title: Improvements in or relating to a device for guiding threads to the place for burning-off or cutting in a circular knitting machine
IPC: D04B35/00
Filed: 1964-08-04
Abstract: 1,031,649. Knitting-machines. ELITEXSDRUZENI PODNIKU TEXTILNIHO STROJIRENSTVI. Aug. 4,1964 [July 26,1963], No. 30655/64. Heading D1C. Yarn severing mechanism is provided in a circular machine and comprises an electrically heated wire 46 which extends into a groove 24 formed on a ring 16 having an outer conical surface 18 which may be ribbed, and a wall portion 23 so that an ingoing or outgoing yarn is supported by the uppermost edge portions 18a, 23a of the groove and cause the yarn 56 be drawn into engagement with the wire 46. The machine may have two sets of feeders 31, 32, Fig. 1 (not shown), with a splicing guide associated with each. The ring 16  is mounted on the edge of the welt dial and rotates therewith. A plate 27 mounted above the dial cam cap has notched portions 27a to engage an outgoing yarn and pins 26 to guide the yarns past a suction nozzle 28 which draws up the ends of the yarns after they have been severed by the wire 46. The wire 46 serves to sever the splicing yarn fed from the feeder 31 and a second heater wire 56 which is movable into and out of position severs the splicing yarn from the feeder 32.
Patent GB-361523-A (GB)
Title: Method of and means for securing (after doffing) roving ends to the spindles of frames for twisting and winding fibrous materials
IPC: D01H9/00
Filed: 1930-10-14
Abstract: 361,523. Winding-machine spindle apparatus. TATHAM, Ltd., W., Belfield Works, and STEVENSON, W. S., 29, Bury Road, Bamford, both in Rochdale. Oct. 14, 1930, No. 30671. [Class 120 (ii).] Thread-holding arrangements.-Roving ends are automatically secured to the spindle of a cupspinning and winding machine by providing a recess a<2> in the cup, across which the roving is laid from the slit a<1>, and a depending finger c<3> on the cone c, which engages and secures the roving end when the spindle d is lowered into the cup a.
Patent GB-611229-A (GB)
Title: Improvements in or relating to enclosed electric switchgear
IPC: H02B1/00
Filed: 1946-11-16
Abstract: 611,229. Switchgear structures. NAAMLOOZE VENNOOTSCHAP FABRIEK VAN ELECTRISCHE APPARATEN VOORHEEN F. HAZEMEIJER & CO. Nov. 16, 1945, No. 30728. Convention date, June-11, 1941. [Class 38 (v)] In enclosed switchgear the bus-bars D, compressed - gas power - switches A, isolators B, G<1>, G<11> and connecting- leads are arranged in cylindrical-containers with compressed-gas insulation, the power-switches and certain of the isolators being disposed in horizontal tubes arranged one above the other and extending laterally from a vertical tube forming the cable terminal-chamber F, and housing a current-transformer E. The bus-bars D are disposed in horizontal tubes carried by the vertical tube. In Fig. 2, the power-switch A and circuitclosing isolator B are withdrawable by means of plug-contacts C, C<1>, and the cable terminal-chamber is filled with insulating material. In Fig. 4 (not shown), a duplicate bus-bar system is provided by duplicating the arrangement of isolators B, C<1> in an additional chamber placed over that of the isolators B, C<1>. In Fig. 5, two withdrawable circuit-breakers each similar to that shown in Fig. 2, can be selectively connected to two bus-bar systems D, D<1>. In Fig. 8, the powerswitch A and circuit-closing isolator B are connected to the cable and to duplicate bus-bars D, D<1> by an isolator G and selectorswitches G<1>, G<11> respectively. In Fig. 9 (not shown), an auxiliary bus-bar can be connected to the cable through an isolator. Alternative arrangements are diagrammatically indicated in Fig. 1 (not shown). " Electrical Engineering," Sept., 1940, pages 504-506 is referred to.
Patent GB-411029-A (GB)
Title: Improvements in glass envelopes containing alkali metal-vapour
IPC: H01J61/30
Filed: 1933-11-06
Abstract: 411,029. Glass manufacture. CORNING GLASS WORKS, Walnut Street, Corning, New York, U.S.A.-(Assignees of Hood, H. P. ; 83, East 4th Street, Corning, New York, U.S.A.) Nov. 6, 1933, No. 30791. Convention date, Jan. 16. Drawings to Specification. [Class 56.] A glass which is suitable for the envelope of a metal-vapour electric lamp contains 55-80 per cent of silica, 10-25 per cent of boric oxide, and 10-25 per cent of alkali oxide. The percentage of boric oxide is less than 2À57 times the percentage of alkali oxide, but is greater than 4À5 divided into the amount by which the percentage of alkali oxide is less than 60. The boric oxide may be replaced in part by an alkaline earth oxide of the group beryllium, magnesium, calcium, strontium, and barium. Examples of a number of glasses are given in the Specification.
Patent GB-757182-A (GB)
Title: Apparatus for washing coffee beans and similar shaped objects
IPC: B07B13/00
Filed: 1954-10-26
Abstract: 757,182. Washing coffee beans &c. SAETRE, T. Oct. 26, 1954, No. 30881/54. Class 82(2). Coffee beans and similar shaped objects are washed in a horizontal drum 1 having a rotating shaft 6 carrying opposed pairs 8, 8<SP>1</SP> of pitched perforate blades each pair being separated by an imperforate plate 9. The beans are introduced with water through inlet 4 and removed through an outlet 5. Bolts 15 project into the path of the beans to restrain water movement. Plates may be substituted for the bolts.
Patent GB-218564-A (GB)
Title: Improvements in license holders for motor vehicles, and the like
IPC: B60R13/10
Filed: 1923-12-08
Abstract: 218,564. Rigby, P. Dec. 8, 1923. Licence holders for motor vehicles.-A licence-holder for motor-cars consists of a circular box 1 providedwith a bladespring 2 and bayonet-slots 4 with which engage projections 7 on a circular ring 6 so that, by pushing the ring into place and then rotating it, a packing- ring 8, glass front 9 and the licence 10 are held by the pressure of the spring without the necessity of securing by screws or like means.
Patent GB-1523352-A (GB)
Title: Digital apparatus for treatment of information representative on image to be displayed on the screen of a visual display system
IPC: G09G5/02
Filed: 1975-07-24
Abstract: 1523352 Television picture processing systems COMPAGNIE INDUSTRIELLE DES TELECOMMUNICATIONS CIT-ALCATEL 24 July 1975 [31 July 1974] 30966/75 Heading H4F An arrangement for displaying on a cathode-ray tube an image derived from image-representing data includes means for processing the data in such a way that a data item having a value falling within a preselected range of values is converted to another value prior to display. The arrangement allows selected ranges of values, e.g. of luminance or colour, to be reduced to a single value or to be expanded to occupy the maximum range of values that the display can accommodate, so reducing or increasing the prominence of areas of the image. In one embodiment, Fig. 1 (not shown), the image-representing data is digital and held in a store (1). The data may have been obtained from satellite and each data word represents the value d of the luminance of a corresponding point of the image. The range of possible values of d extends from O to M, as indicated in Fig. 2. Words are read in succession from the store and are processed for control of a television-type display. Each word read is compared (3) with a reference value R, Fig. 2, to determine whether d is less than, equal to, or greater than R. Means (15) are provided to select one of three modes of operation. In a first mode, all image points having a value d= R are displayed with a chosen luminance and all other points are displayed with a luminance value 0, i.e. the display shows points of equal luminance in the stored image. In a second mode, all points having a value less than R are multiplied (8) by a factor kl so that the range O-R is expanded to fill the range O-M, points having values in the range R-M being displayed with a luminance 0. In the third mode the range R-M is expanded to O-M, points in the range O-R being displayed with a luminance 0. The luminance range O-M may be divided into more than two zones, e.g. O-R1, R1-R2, R2-M, Fig. 5 (not shown), and the zone boundaries, e.g. Rl, R2, may be variable. Data values falling within a selected zone or zones may be assigned the same luminance value, e.g. I1, which may be adjustable. Similar adjustments may be made in respect of further stored data representing the colour of the image points, Fig. 6 (not shown), so that points having a selected colour value or lying within a selected range of values can have reduced or increased prominence in the displayed image. Digital masking techniques may be employed in the processing of the data, Fig. 4 (not shown), and calibration marks, &c. may be added to the displayed image.
Patent GB-449071-A (GB)
Title: Improvements in and relating to methods of and apparatus for determining the wearing qualities of flexible sheet and web materials, fabrics and the like
IPC: G01N3/02
Filed: 1935-11-11
Abstract: 449,071. Testing fabrics &c. HATHAWAY, E. F., 515, Worcester Street, Wellesley Hills, and BIXBY, W., 195, Freeport Street, Dorchester, both in Massachusetts, U.S.A. Nov. 11, 1935, No. 31155. Convention date, Dec. 13, 1934. [Class 42 (ii)] A specimen R of fabric, lino, &c. to be tested for wear by rubbing, impact, torsion, shearing &c. actions is clamped on a block 25 mounted on a two-part slide one of which is slid on bed guides 16 by levers 44, 41 and a cam 32 and the other of which is slid on the first part in a direction at right angles by a lever 34 and cam 31, the specimen moving in a double-S path. The cam 31, 32 is mounted on a vertical shaft 49. The rubber 14 can slide vertically and oscillate in bearings 72, 70, is pressed on to the specimen by a weight 89 and lifted periodically by an eccentric 96 on a shaft 52 and a lever 92. The rubber is oscillated through links 113, 111, 107, 105, a hollow shaft 108 inside the pillar 73 and a crank 104 on the shaft 56. The shaft 56 is driven by a belt 59 from a motor 61 and drives through gearing 55, 54 the shaft 52 which in turn through worm gearing 51, 50 drives the shaft 49. The shaft 49 is connected by bevel gearing 124, 124a with a shaft 125 driving through a worm 126 a shaft 128 which through another worm 129 drives a shaft 131 passing through the hollow shaft 108 and carrying a cylinder 132 for an indicator card 175. The shafts 125, 128 carry notched discs 150, 157 which directly and through a bell-crank 153 allow a rod 146 to drop periodically. When the rod 146 drops it first, through levers 144, 142, a pin 159, and a rod 140 allows a feeler 135 to drop on to the specimen R and a connected marker 170 also to fall, and then through a rod 162 and rockshaft 164 causes the marker to strike the indicator card 175. The rubber 14 has a working surface of leather &c. cemented &c. on to its bottom. Worn off particles of the specimen are drawn off through the hollow shaft 64 and the column 73 by a fan 118 and collected in a bag 121. The pin 159 is connected with a switch in the circuit of the motor so that when it is withdrawn to allow an indication to be made manually on the card 175 the motor is stopped. The apparatus is portable and mounted on wheels 10.
Patent GB-930928-A (GB)
Title: Improvements in or relating to a method for the manufacture of leather-like material
IPC: D06N3/00
Filed: 1961-08-30
Abstract: 930,928. Artificial leather. C. BERTOLAIA. Aug. 30, 1961 [Jan. 27, 1961], No. 31158/61. Class 76. Soaked leather shavings are milled until an aqueous suspension of long fibres is obtained. The suspension is kneaded into a first rough shape on a support with adhesives and colouring matter so expelling most of the water. After drying in the air a final finish can be given with a pressing operation in a heated metal mould. The air drying can be supplemented with pressure drying.
Patent GB-351863-A (GB)
IPC: F28F21/04
Filed: 1930-10-17
Abstract: 351,863. Regenerators. DE GAILLARD ET CIE, H., Bollene, Vauclause, France. Oct. 17, 1930, No. 31162. Convention date, Oct. 17, 1929. [Class 51 (i).] Filling blocks c .. c<2> for reversible regenerators, hot-blast stoves, &c., have the diameter of the gas passages d increasing and the thickness of the walls of the passages decreasing from the hightemperature zone to the low-temperature zone, preventing obstruction and allowing the use of gas not highly purified. Each block has only a single passage.
Patent GB-1093764-A (GB)
Title: Improvements in or relating to apparatus for the manufacture of thermoplastic slide fasteners by continuous injection moulding
IPC: B29D5/02
Filed: 1965-07-22
Abstract: 1,093,764. Injection moulding slide fasteners. H. ALBERTS. July 22, 1965 [July 27, 1964], No. 31221/65. Heading B5A. Apparatus for making thermoplastic slide fasteners comprises an injection chamber 3 and a cooling chamber 9, two endless moving steel belts or chains 1 provided with recesses 2 which co-operate to form mould cavities and a recess to support a textile strip 7. Polyamide or acetal resin is injected into the chamber 3 at 4 and passes into the mould cavities before these move into the cooling chamber 9. The belts or chains 1 are each supported by at least two rollers (5), Fig. 2 (not shown), and are maintained in contact with one another by rolle bearings (6), Fig. 3 (not shown). The injection chamber 3 has an upper wall 10 which slopes down so as to close the upper parts of the mould recesses as they leave this chamber.
Patent GB-1440462-A (GB)
Title: Process for the clarification and/or recovery of vegetable oils
IPC: C11B3/00
Filed: 1973-06-29
Abstract: 1440462 Extracting oils STORK AMSTERDAM BV 29 June 1973 31231/73 Heading C5C Edible vegetable oils, e.g. palm oil, are recovered from a crude oil product containing polysaccharides which has been obtained by pressing or centrifuging mashed vegetable products by adding an amylase-type enzyme, adjusting the temperature of the mixture to a value for maintaining the oil in a liquid condition but below the inactivation temperature of the enzyme and maintaining at this temperature for a time sufficient to separate out the oil from the crude product which then may be decanted off. After treatment with the amylase type enzyme the product may be treated with a pectolytic enzyme.
Patent GB-345281-A (GB)
IPC: G07D9/04
Filed: 1929-10-15
Abstract: 345,281. Coin sorting and counting apparatus. CHIGER, S., 9, Wilhelmstrasse, Berlin. Oct. 15, 1929, No. 31269. Convention date, Jan. 23. [Class 116.] In apparatus for counting coins which can be adjusted by means of slides for different kinds of coins, the slide when inserted is looked and is not released until after the counting apparatus has been zeroized. The slide 1, Figs. 1 and 2, is provided with a recess 3 which engages a pawl 2 by which means the slide is locked, and holes 4, 5 corresponding respectively to coins of a given diameter and smaller coins, larger coins having previously been removed by the sorting device described in Specification 343,173. In order to release the slide, the crank 15, Fig. 3, is placed on the spindle 16 so that a projection 46a and a pin 18 engage slots 17, 19. When a lever 20 is moved from a recess 27 the shafts 16, 22 may be rotated to actuate zeroizing mechanism and then to move the pawl 2 from the recess 3. The Specification as open to inspection under Sect. 91 (3) (a) comprises also the subject-matter of Specification 343,173. This subject-matter does not appear in the Specification as accepted.
Patent GB-505601-A (GB)
Title: Improvements in or relating to electron lenses
IPC: H01J29/62
Filed: 1937-11-15
Abstract: 505,601. Electron lenses. ZEISS IKON AKT.-GES. Nov.16, 1937, No. 31330. Convention date, Dec. 18, 1936. Drawings to Specification. [Class 39 (i)] Chromatic aberration in an electron lens ia removed by introducing an oppositely directed spherical aberration,; this is possible if, as is stated to be the case, the electron velocity in a beam of electrons increases with the angle of emission and hence with the distance from, the axis. Preferably the diameter of the electron rav is made to exceed half the diameter of the lens. In one form the lens. is a series of short coaxial rings maintained at steadily increasing potentials by tappings on a voltage divider. In anotherform, a short magnetic lens having small spherical error is followed by an electrostatic lens of two coaxial rings, the potential of the first being variable to enable the spherical error to be adjusted.