baber/WOPTO huggingface dataset:
Patent GB-233350-A (GB)
Title: Improvements in valve devices for distributing liquids, particularly in water flushing apparatus
IPC: E03D1/30
Filed: 1925-04-30
Abstract: 233,350. Mollien, J. M. J. F. F. Lacher- Ravaisson-. April 30, 1924, [Convention date]. Waste-preventing valves. - When the hinged discharge valve 4 of a flushing cistern is opened by an externally-operated arm 8, it is held open by the jet of water from the constricted end 3 of the discharge pipe until the cistern 1 has emptied itself. This arrangement, which ensures effective discharge with a small head of water, is stated to be applicable generally for the distribution of liquids. The valve may be a lift valve instead of hinged.
Patent GB-661792-A (GB)
Title: Improvements in and relating to fruit storage cabinets
IPC: A47B75/00
Filed: 1949-04-27
Abstract: 661,792. Cabinets; drawers. SHIPP, F. J. April 27, 1950. [April 27, 1949] No. 11228/49. Class 52 (i). An open-sided cabinet for fruit-storage has drawers with slatted bottoms 9 whose sides comprise spaced rails 13, 14 between which the fixed runners 6 engage.
Patent GB-697257-A (GB)
Title: Improvements in or relating to counting devices
Inventor: HIRSCHBERGER HERMANN
IPC: G06M1/04
Filed: 1951-05-15
Abstract: 697,257. Counting-apparatus. ENGLISH NUMBERING MACHINES, Ltd. May 15, 1951, No. 11251/51. Class 106 (i). A counting device comprises one or more number wheels rotatable around a common axis, a reciprocatable plunger for actuating the counting device, and means on the plunger cooperating with complementary means on an auxiliary spindle for converting a reciprocating movement of the plunger into an oscillatory movement of the auxiliary spindle, the said auxiliary spindle being coupled to a number wheel of the counting device over a gear mechanism having means for converting the oscillatory movement of the auxiliary spindle into a unidirectional rotary step-by-step movement of the said number wheel, and is characterised in that the plunger is arranged for moving in a direction substantially parallel to said common axis. A reciprocable plunger 6, Fig. 3, is normally urged outwardly by a spring 10 and carries a block 14 from which two pins 15 and 16 project. The pin 15 engages a guiding groove 17 in the base 1 of the counter and the pin 16 engages in a helical groove 20 in a sleeve 19 keyed to an auxiliary spindle 13 so that a reciprocation of the plunger 6 causes an oscillation of the spindle 13, Figs. 3 and 5. The spindle 13 is connected through gearing 22, 23, 24, Fig. 2, to an intermediate shaft 21. A sleeve 32 is axially movable on and rotatable with the shaft 21 and has crown ratchet teeth 31 which engage ratchet teeth 30 on one side of a gear-wheel 29, Fig. 7. Ratchet teeth 28 on the other side of the gear 29 engage ratchet teeth 27 of a stationary collar 26. A spring 35 urges the respective pairs of ratchet teeth 31, 30; 28, 27 into engagement. Upon movement of the shaft 21 from the shaft 13 in the direction of the arrow A, Fig. 7, the sleeve 32 takes the gear 29 with it, both the gear and the sleeve being, at the same time, moved axially against the spring 35, the teeth 28 riding out of the teeth 27. At the end of this movement the spring 35 again effects engagement of the ratchet teeth 28, 27. Upon the return movement of the shaft 21 in the direction of the arrow B, Fig. 7, the gear 29 is locked by the ratchet teeth 28, 27 while the ratchet teeth 31 ride out of the ratchet teeth 30 and the sleeve moves against the spring 35 until the end of the movement. The gear 29 transmits its stepby-step movement to a gear 36, Fig. 2, coupled to a units wheel 4 of a counter on a shaft 5, the axis of which is parallel to the direction of movement of the plunger 6.
Patent GB-109967-A (GB)
Title: Improved Apparatus for Rapid Drawing of Circles of Given Diameters.
Inventor: COSTOVICI NICOLAS BASILE
IPC: B43L9/00
Filed: 1917-08-04
Abstract: 109,967. Costovici, N. B. Sept. 28, 1916, [Convention date]. Curve-describing instruments; rulers. - An apparatus for drawing circles of given diameters comprises a graduated ruler a provided with holes 2 - - 23, that at 23 being for the reception of a centre pin and formed in a block d, Fig. 1, mounted to slide in the ruler and provided with a pointer H, its position being adjusted by means of a screw c, while the others are for the insertion of a pen or pencil and are marked with the diameters of circles described. Fig. 2 shows a form in which the scale is marked on bars f, g, jointed to the ruler and arranged so that, in one position, they lie along the edges of the ruler while in the other, the bars are extended at right-angles thereto and form a measure of length twice that of the ruler. Fig. 3 shows a form in which two bars a<1>, a<11> jointed together and corrugated along their abutting faces, have a row of holes 2 - - 22 situated in alternate corrugations. This may be employed in the same manner as the apparatus shown in Fig. 1 or extended to form a rule of twice the length and for drawing circles of twice the diameter. The Specification as open to inspection under Sect. 91 (3) (a) describes a simple graduated plate provided with four holes 23, as shown in Figs. 2 and 3, set close together, which are employed in order to draw circles of radii intermediate of those indicated. This subjectmatter does not appear in the Specification as accepted.
Patent GB-1377132-A (GB)
Title: Electric motor apparatus
IPC: H02P5/50
Filed: 1972-03-10
Abstract: 1377132 Automatic control of power factor BBC BROWN BOVERI & CO Ltd 10 March 1972 [12 March 1971] 11294/72 Heading G3R [Also in Division H2] In a drive arrangement including a plurality of induction motors, each with at least two rotor windings, one of the windings is excited from a first D.C. source, controlled to vary the reactive component of current drawn by the motors, and a second rotor winding is excited from a second D.C. source that is variable to change the rotor angle of the respective motor. In the embodiment shown, a plurality of synchronous induction motors 1,1',1"e.g. in a printing press have their star connected stator windings UVW connected to a three-phase supply RST, whose frequency can be changed to vary the motor speed by frequency changer 8, which is fed from an A.C. supply 12. In each motor, the rotor windings u,v,w are star connected with windings v,w connected to adjustable rectifiers 3,3',3"e.g. with thyristors, whose firing angles are varied by units 10,10',10'to control the respective rotor angles of the motor. The reactive component of the supply RST may be measured by known device 9 and used to control, through rectifier 2, the excitation of the rotor windings u,v so the motors run at unity power factor. In alternatives, the rectifiers 3,3',3" may be connected only to rotor winding w in each motor, or the rotor windings comprise only two windings.
Patent GB-992943-A (GB)
Title: Improvements in or relating to automatic frequency control arrangements
Inventor: GROSS MICHAEL HUBERT
IPC: H04B1/30
Filed: 1961-03-28
Abstract: 992,943. Automatic frequency control systems. MARCONI CO. Ltd. Oct. 6, 1961 [March 28, 1961], No. 11327/61. Heading H3A. Two frequencies are made equal by mixing one with two or more different phases of the other to produce a polyphase difference frequency error signal the phase sequence of whose phases produces a D.C. voltage of polarity indicating the sense of any error, and applied to corrent one of the frequencies. The corrected frequency may be the I.F. corresponding to a pilot frequency transmitted with a S.S.B. signal, and corrected by controlling a frequency changing local oscillator, the other frequency being derived from an oscillator demodulating the S.S.B. wave. The demodulating oscillation may be applied to a C-R network and transformer TR1 to produce a three-phase signal applied to mixers MR1-MR3 together with the pilot signal I.F. from terminal 8 to derive three equally phase displaced and continuous series of half waves MR1-MR3 (Fig. 3) whose phase sequence indicates the sense of any frequency error, and are applied to transistor switches T1, T2, T3 (through driver transistors T4-6) each with collector circuits connected to the bases of the other two transistors such that two only of the transistors T1-T3 are at any time conductive. The transistors T3, T2, T1 respectively contribute all, one half, and no collector current to an output resistor R5 and the voltage across the latter takes the form of Fig. 4 (a) or Fig. 4 (b) depending on the phase sequence. The voltages, after differentiation by C6 and C7 to the form of Fig. 4 (c) or Fig. 4 (d), are applied to backbiased gate transistors T7, T8 each responsive only to a maximum value of the negative and positive voltage spikes of Fig. 4 (c) and Fig. 4 (d) respectively, and pass D.C. current through rectifiers MR4, MR5 to a capacitor C8, indicating the phase sequence and hence sense of the frequency error to be corrected. To this end the voltage across C8 (temporarily persistent) may be applied to a reverse biased semi - conductor diode forming a variable capacity in the tuned circuit of the local oscillator producing the pilot signal I.F., or to a D.C. motor driving a variable reactance. In a two-phase modification (Fig. 6, not shown) rectifier MR1 and transformer TR1 are omitted, and MR2, MR3 apply two-phase voltages differing by 120 degrees to a pair of Schmitt transistor bi-stable circuits with common emitter coupling. The output transistors of each pair respectively contribute all, and one half, their collector current to an output resistor so that four stepped output voltages are obtained depending on which output transistor is conductive or whether both or more are conductive. This four-level stepped wave may be converted to a three-level wave of type shown in Fig. 4 (a) or (b) by a backbiased transistor, shunting the output, becoming conductive at a voltage peak. This is then differentiated and produces a D.C. control output across capacitor C8 as in Fig. 5.
Patent GB-529373-A (GB)
Title: Improvements in and relating to hair combs, bangles, ear-rings and other articles for personal use or wear
IPC: B29C67/00
Filed: 1939-04-14
Abstract: 529,373. Celluloid and casein articles. THOMAS, W., and KANIS, A. W. April 14, 1939, No. 11422. [Classes 2 (ii) and 2 (iii)] In preparing moulded articles from casein, celluloid and cellulose acetate thermoplastic moulding powders, a perfume which is not deleteriously affected by the moulding temperature, dissolved in a solvent compatible with the moulding material, is incorporated with the material in the form of powder or granules and the solvent is evaporated before the moulding operation. Specified articles are articles for personal use or wear e.g. combs, hair slides, bangles, toilet brushes &c. Specified perfumes are essential oils, resins, resinoids, terpenes; to withstand the hot moulding process, aldehydes should be converted to acetals. In an example, cellulose acetate moulding powder is sprayed with an acetone solution of oil of violet, the solvent is removed and the material is heated to 150‹C. and injected into a cold mould to produce a hair comb or other article.
Patent GB-857768-A (GB)
Title: Cargo hoisting apparatus
IPC: B63B27/04
Filed: 1958-04-10
Abstract: 857,768. Cargo hoisting apparatus. BANKS, W. L. April 10, 1958, No. 11478/58. Class 78(4). A ship's cargo hoisting boom 14 is pivotally mounted at 12 to a mast 10 and is slewed and luffed by a single rope 41. The rope passes from a drum 32 over pulleys 42, 43, 44, 16, 25 to a drum 31 where it is wound several turns and then continued over corresponding pulleys on the other side of the mast back to a drum 33 on the same shaft as the drum 32, the rope being wound in the same direction on drums 32, 33. Pulleys 25, 44 are pivotally mounted on arms 21 which are rotatable about horizontal axes and about pins 17 to accommodate the movements of the boom. The boom is luffed by simultaneous movement of drums 32, 33 and slewed by rotation of drum 31, which shortens one run of the rope and lengthens the other, causing the boom to move, e.g. as indicated in dashed lines in Fig. 3. The load is hoisted by a rope 50 wound on a drum 35. A belly guide B steadies the boom.
Patent GB-724120-A (GB)
Title: Improvements in bladed structures for axial flow compressors and the like
IPC: F01D5/06
Filed: 1949-07-21
Abstract: 724,120. Axial-flow compressors. STALKER, E. A. July 21, 1949 [Aug. 5, 1948], No. 11532/52. Divided out of 724,074. Drawings to Specification. Class 110 (3). The subject-matter is identical with that of Specification 724,074, but the claims differ. Specification 724,170 also is referred to.
Patent GB-786096-A (GB)
Title: Work holding device
IPC: B27B25/10
Filed: 1955-04-21
Abstract: 786,096. Sawing: mitreing: grinding. MAGNA ENGINEERING CORPORATION. April 21, 1955 [April 30, 1954], No. 11560/55. Classes 60 and 145. [Also in Group XXII] A work holding device operable by one hand and particularly adapted for fitment to a mitre gauge 13 so that a workpiece 50 can be operated on at an angle by a saw 8, sander, grinding disc or other tool, comprises a hand grip 31, an arm 34 pivotally mounted on the hand grip, a screw-threaded square post 74 adjustably mounted in a slot 73 in the arm by means of nuts 76 and carrying a loosely-mounted shoe 77, and a trigger 56 slidable in the hand grip to operate a lever 51 against the action of a spring 62 for pivoting the arm 34 so that the shoe 77 clamps the work. The hand grip is in two mating parts held together by screws 41, 42 and one lower screw 41 attaches the grip to the mitre gauge and one upper screw 42 provides a pivot for the lever 51, which is detachably secured to the arm by a screw 72. Above the pivot point 12 of the mitre gauge, a shaped head 48 of a post 46 fits between the mating parts of the hand grip and the hand grip is rotatable on this head to ensure free movement of the mitre gauge. The gauge has a scale and is secured in adjusted angular position by a stud 17 and nut 18, predetermined fixed positions of, say, 45 degrees and 90 degrees being provided by adjustable screws which cooperate with a slidable stop pin 23. The bar 2 of the gauge engages in a slot 6 of the worktable 7.
Patent GB-199002-A (GB)
Title: Improvements in apparatus for clearing or cleaning yarns
IPC: B65H63/06
Filed: 1923-04-30
Abstract: 199,002. Eclipse Textile Devices, Inc., (Assignees of Ness, H. E. van). June 8, 1922, [Convention date]. Clearing-apparatus.-A yarn clearer 15, Fig. 1, is characterized by the fact that the pull of the yarn on the particles being separated ejects the particles already separated, no relative movement of any parts of the clearer being necessary. The clearer comprises upper members 20, 20<1> and lower members 30, 30<1>, Figs. 2, 3, 5, respectively provided with coacting blades 24, 24<1> and 34, 34<1>. The blades are bevelled to form clearing edges 26, 26<1> and 36, 36<1>, the edges 26, 36' being cut away at 27, 37 and the corners 28, 38 of the edges 26', 36 being turned in. The particles cleared from the yarn A' in passing through the series of clearers 15 are discharged by the forwardly moving yarn through the necks 42, 42<1> and openings 43, 43<1>. In a modification, two curved upper members 124, 124<1>, Fig. 10, cooperate with a surface 130, the members 124, 124' being pressed apart by a spring which also tends to rotate them clockwise about their axis of support, thus maintaining them in correct relation to the surface 130. In a further modification, the upper members coact with a bed 230, Fig. 13, and are spring-pressed as in the previous form, the action of the spring being limited by a block which rests on an adjustable screw 255. Provision may be made whereby all the clearers in a series may be adjusted simultaneously.
Patent GB-843881-A (GB)
Title: An improved process for the preparation of macromolecular polycarbonates
IPC: C08G64/26
Filed: 1958-04-11
Abstract: In the manufacture of macromalecular polycarbonates by polycondensing an organic dihydroxy compound with phosgene and/or a chlorocarbonate of an organic dihydroxy compound (the free dihydroxy compound and/or the chlorocarbonate containing an aromatic group or groups), cross-links are introduced into the polymer and the polycondensation reaction is accelerated by (a) treating the compound(s) containing the aromatic group(s) with an aldehyde prior to the polycondensation, or (b) adding an aldehyde to the mixture undergoing polycondensation, or (c) treating the polycarbonate resulting from the polycondensation with analdehyde, with or without prior isolation of the polycarbonate.  The aldehyde may be formaldehyde, acetaldehyde, propionaldehyde, butyraldehyde, oenanthic aldehyde, palmitic aldehyde, hexadydrobenzaldehyde or benzaldehyde or it may be a substance yielding an aldehyde e.g. hexamethylene tetramine, paraformaldehyde or paracetaldehyde.  The aldehyde may be used in combination with a quarternary ammonium compound.  A large number of dihydroxy compounds are specified including aromatic dihydroxy compound, (especiallyl di-(monohydroxyaryl) -alkanes) alkylene glycols oxy-and thio-alkylene glycols and cycloaliphatic glycols. In examples (1) Phosgenewas passed into an aqueous solution containing 2 : 2- di (4- hydroxyphenyl) -propane, paraformaldehyde, sodium hydroxide and methylene chloride, then tetra -nbutyl ammonium chloride was added and the resulting dough purified to yield a polycarbonate; (2) A mixture of 2:2- di-(4- hydroxyphenyl)- propane, paraformaldehyde, sodium hydroxide and sodium dithionite was heated, the reaction mixture cooled, methylene chloride added and first phosgene and then tetra- (nbutyl)- ammonium iodide introduced and the polycarbonate precipitated from the methylene chloride with ethanol; (3) A powdered polycarbonate from 2 : 2- di- (4- hydroxyphenyl) propane was heated with paraformaldehyde and aqueous sodium hydroxide and the treated polycarbonate then heated to 254 DEG C.; (4) An aqueous solution of 2 : 2- di - (4- hydroxyphenyl)-propane, paraformaldehyde, sodium hydroxide and triethylbenzylammonium chloride was reacted with a methylene chloride solution of the bischlorocarbonate of 2: 2- di- (4-hydroxyphenyl)- propane.  The polycarbonates are useful for the manufacture of threads, fibre, films, foils, and extrusion or injection moulded articles (e.g. rods and tubes). Specification 772,627 is referred to.
Patent GB-1012946-A (GB)
Title: Improvements in or relating to safety belts or the like
Inventor: PROCTOR RONALD ALLAN
IPC: B60R22/40
Filed: 1963-03-25
Abstract: 1,012,946. Spring drums. BRITAX (LONDON) Ltd. March 20, 1964 [March 25, 1963; June 17, 1963], Nos. 11644/63 and 24020/63. Heading B8B. [Also in Division A3] An inertia operated locking mechanism for a safety belt comprises an actuating member which is mounted so as to be displaceable upon movement of an inertia member in any direction from a central portion of a dished support. A spring reel for the safety belt is mounted to rotate in a casing 1 and is arrested on a predetermined acceleration or the like of the vehicle by the displacement of an inertia ball 5 from the centre of a conical dished support 2, thereby pivoting a plate 6 resting on the ball, whereby an extension 11 of the plate rotates a sector 15 to engage a pinion 22 secured to the shaft 20 of the reel until the sector reaches a stop 18 when the reel is arrested. When the tension in the belt is relieved the spring reel retracts the belt and rotates the sector 15 to its original position in contact with the extension 11. The sector 15 may be operated by a piston or solenoid, the fluid flow or electric circuit being controlled by the extension 11 or the bolt 5 may act directly on the piston of a cylinder connected to the sector. The extension 11 may actuate a wedge to jam the belt against a support or may tilt a cage through which the belt is threaded so that the belt is frictionally arrested.
Patent GB-1107591-A (GB)
Title: Photographic material
Inventor: MILLIKAN ALLAN GROSVENOR
IPC: G03C7/392
Filed: 1965-03-19
Abstract: 1,107,591. Panchromatically sensitized film. EASTMAN KODAK CO. March 19, 1965, No. 11741/65. Addition to 1,021,564. Heading G2C Panchromatically sensitized photographic materials as described in Specification 1, 021, 564 contain in the uppermost colour-forming layer unit a panchromatic sensitizing dye combination of more than one dye of the type described in Specification 654, 690. In particular anhydro-1'-ethyl-3-#-sulphoethyl thia-2'-cyanine hydroxide, and anhydro-5, 5'- dichloro-9-methyl-3, 3'-di-#-sulphoethyl thiacarbocyanine hydroxide. The uppermost colour forming unit may comprise a sensitizing combination of a polymeric thioether and a benzothiazoluim salt e.g. poly (thiodiethylene glutarate) and N, N' -decamethylene bis (benzothiazoluim perchlorate).
Patent GB-776446-A (GB)
Title: Improvements in or relating to marking fluids
Inventor: HILLIER WILLIAM HAROLD
IPC: A01K11/00
Filed: 1954-04-23
Abstract: A water-in-oil emulsion for marking animals is made by emulsifying water into a mixture of a volatile hydrocarbon spirit solvent, a pigment, and City of Bradford Recovered Wool Grease, or a mixture consisting predominantly of City of Bradford Hard Neutralized Wool Grease, formed by converting the free fatty acids into magnesium soaps, and City of Bradford Wool grease fatty acids derived from the said recovered wool grease.  Resinous compounds, e.g. "Lanaloid" (Registered Trade Mark) gum rosins, wood rosins, modified rosins such as those formed by reacting rosin with maleic anhydride or glycerol or with phenol and formaldehyde, may be included.  In examples (1) Bradford Recovered Wool Grease is mixed with coal tar naphtha and "Irgalite" (Registered Trade Mark) Fast Brilliant Blue at 80 DEG F. to 100 DEG F., and water is stirred gradually into the mixture; (2) Bradford Hard Neutralized Wool Grease is melted with Bradford Refined Wool Grease Fatty Acid, and white spirit, "Monolite" (Registered Trade Mark) Fast Scarlett R.N.S. paste and water added at 80 DEG F. to 100 DEG F., and the mixture agitated until a uniform emulsion results.  Specifications 183,513 [Class 95] and 656,626 are referred to.
Patent GB-441830-A (GB)
Title: Improvements in or relating to film-number indicators and film cutters for roll-filmphotographic cameras
IPC: G03B19/04
Filed: 1934-04-20
Abstract: 441,830. Photographic roll - film cameras. FRANKE, P., 32c, Wolfenbuttlerstrasse, and HEIDECKE, R., 7, Seesenerstrasse, both in Brunswick, Germany. April 20, 1934, Nos. 11937 and 11938. Void [Abridged as open to inspection under Sect. 91 of the Acts, Oct. 22, 1934]. [Class 98 (i)] Apparatus by which a roll film camera designed for taking films of one size can be adapted for films of smaller size, e.g. cinema film, comprises a film number indicator incorporated in a detachable unit which can be substituted for some normal part of the camera such as part of the rear wall or the top. Figs. 1 and 2 show a camera in which film is wound off the spool 4 on to the spool 5, and the rear wall is provided with an opening into which may be fitted a removable box 11 carrying the number indicating mechanism. This mechanism comprises a star wheel 6 driven from perforations in the film and rotating through bevel gearing a wheel 24 having a single tooth engaging a toothed wheel 26 provided with numbers corresponding to the numbers of the films. The numbers are viewed through a window 28. A disc 23 is driven by gearing through a complete revolution while the wheel 26 is moved one step, completion of the feed being indicated by a mark on the disc opposite a mark on the wheel 26. A milled button 31 turning a pinion 32 is provided for setting the wheel 26 by hand. In a modification the star wheel directly actuates a wheel geared to the wheel 26 and disc 23. The box carries a spring-pressed plate 15 which holds the film against the opening in the back of the camera. The camera may be fitted with a device for cutting the film comprising a tube 37, Fig. 5, provided with a slot 38 through which projects a knife blade 42 operated by a handle 41. The back 10 is hinged to the camera by a pin 36 turning in arms attached to the casing. To prevent access of light, filters are placed between the flanges 39 and sides of the box 11.