baber/WOPTO huggingface dataset:
Patent GB-1006511-A (GB)
Title: Servomechanism
IPC: F15B21/06
Filed: 1962-07-26
Abstract: 1,006,511. Electric positional control. CONTROLE BAILEY. July 26, 1962 [Aug. 11, 1961], No. 28816/62. Heading G1N. In a servo-mechanism, the position of a spring-loaded shaft 7 is determined by the differential vapour pressure of condensable fluid such as butane in two compartments 12,13 of a cylinder 1 separated by a piston 8 connected to shaft 7, the fluid in compartment 13 being heated or cooled by a Peltier effect thermopile 3 in accordance with the sense and magnitude of the supply current to the thermopile, which is the amplified algebraic sum of a control signal applied at terminals 19 and a shaft position feedback signal produced by a differential transformer 15 and rectified by bridge 17. The cylinder 1 and piston 8 are heat-insulated at 4 and 9, while thermal contact between the fluid in compartment 13 and the thermopile is enhanced by fins 14. A compressible material of low thermal conductivity may be disposed in chamber 13 to retard heat transfer when the upper surface of the thermopile is the cooler. In a modification adapted for use with a unidirectional error current, the thermopile is mounted in the piston, and the bottom compartment, which is normally the hotter, contains a compressible substance having good thermal conductivity e.g. metal shavings.
Patent GB-690477-A (GB)
Title: Improvements in and relating to the precise electrical measurement of short time intervals
IPC: G01S1/02
Filed: 1948-11-05
Abstract: 690,477. Measuring short time intervals. MURPHY RADIO, Ltd., and McMULLIN, T. A. Nov. 7, 1949 [Nov. 5, 1948], No. 28824/48. Drawings to Specification. Class 37. [Also in Group XL (c)] Brief time intervals between the pulses of recurrent pairs of electrical pulses are measured by causing a strobe pulse of unit duration to move relatively to the first pulse of the pair until its control edge overlaps the second pulse, maintaining the strobe pulse in overlapping relation with the second pulse, combining the strobe pulse with one of a series of short pulses of unit spacing initiated by the first pulse, measuring with moderate precision the time interval between the first pulse and the instant of coincidence of the strobe pulse with a pulse of unit spacing, and measuring with greater precision the time interval between the instant of coincidence of the strobe pulse with a pulse of unit spacing and the second pulse. The invention is applicable to radar systems, for example the Gee radar system in which a moving vehicle, such as an aircraft, received from two fixed transmitters evenly-spaced pulses, the time interval between a pair of corresponding pulses received one from each transmitter being measured. Specification 690,480, [Group XL (c)], is referred to.
Patent GB-677235-A (GB)
Title: Improvements in or relating to electro-acoustic transducers
Inventor: ROBERTON JAMES SAMUEL PATERSON
IPC: H04R13/00
Filed: 1948-11-05
Abstract: 677,235. Sound-receiving devices. STANDARD TELEPHONES & CABLES, Ltd. Nov. 4, 1949 [Nov. 5, 1948], No. 28856/48. Addition to 624,566 and 677,225. Class 40 (iv). In an electro-acoustic transducer having its magnetic circuit arranged as in Specification 677,225, the auxiliary pole-piece comprises an annular ridge 21 raised from the surface of a disc 19 the outer edge of which cooperates with the magnet 10, and the disc is pierced at the middle by a hole 23 which is covered by a silk disc 24. In the deaf aid receiver shown a nickel-iron base plate 7 is seated on a shelf 6 in a thermoplastic casing 1 and carries both a central polepiece 11 and the magnet 10, on the upper face of which rests the upper cheek 14 of a spool and a mild steel ring 13. A diaphragm rests on the upper spool cheek 14 and the ring 13 supports the disc 19 so that the annular ridge 21 is substantially opposite the face of the main pole. A projection 22 on the other side of the disc is designed to carry a plug for insertion in the ear, and the hole 23 covered by the silk disc 24 provides a sound passage to the diaphragm. Projections 9 from the lower spool cheek carrying leads to the coil 16 pass through apertures 8 in the base 7 of the magnetic assembly and the leads terminate at contacts 5 on the base 2 of the casing. Grooves 4 in the extensions 3 from the bottom of the casing receive a spring to hold a plug so that its contacts co-operate with those on the base.
Patent GB-187462-A (GB)
Title: An improved shackle or coupling for coupling vehicles particularly applicable to tubs or trams for use in mines and other places
IPC: B61G1/36
Filed: 1921-10-31
Abstract: 187,462. Davies, D. J. Oct. 31, 1921. Coupling, non-automatic.-A shackle or coupling of D-shape for a vehicle has two holes of unequal size through which a coupling pin with a head at one end, and an enlargement or shoulder at the other end passes, one of the holes being larger at one end than at the other, or is larger in the middle than at the ends. The coupling b, Fig. 4, has a shoulder c at its top end and an enlarged head h at the other. The hole e in the top of the shackle a is oval and slightly larger in diameter than the shank of the pin, whilst the lower hole f, through which the enlarged head h may pass, is smaller at one end than the other. In a modification, the hole f is smaller at both ends than in the centre.
Patent GB-620319-A (GB)
Title: Improvements in or relating to pallets for transporter trucks
IPC: B65D19/08
Filed: 1946-09-27
Abstract: 620,319. Load-handling pallets. FORKTRUCKS PALLETS, Ltd., and MONTGOMERY, F. M. Sept. 27, 1946, No. 28882. [Class 78 (iv)] A pallet constructed so that the elevating platform of a platform truck may be run in beneath it on one or more sides, is also provided with spaced enclosed channels extending from side to side across the pallet to receive the forks of a fork truck. In the embodiment shown, the pallet comprises posts a braced together by sheet metal members b, and a floor c to which are secured channel members d adapted to receive the forks of a fork truck. The posts are cupped at a<SP>1</SP> and bevelled at a<SP>2</SP> to enable a number of pallets to be supported upon one another.
Patent GB-420253-A (GB)
Title: An improved process for preserving meat and fish
IPC: A23B4/02
Filed: 1933-10-19
Abstract: Meat, e.g. hams, or fish is dry pickled by enclosing in a wrapping of sheet material, e.g. cloth or other textile material, or paper, on which is disposed a thin layer of pickling salt on the side next to the meat &c. or on both sides.  The pickling salt may be sodium chloride, smoked or unsmoked, mixed with tartaric or citric acid, e.g. in equal parts.  The salt may be smoked by treating with cold or hot smoke from beechwood.  The pickling mixture may be applied dry to the sheet material which is first coated with adhesive, or adhesive may be added to the mixture, or the mixture may be mixed with the pulp from which paper used for the wrapping is made, or the sheet material may be drawn through a solution of the mixture and then passed between heated rollers. The amount added may be twice the weight of the sheet material. An odoriferous substance, e.g. oil of tarragon or of cloves, may be added to keep off flies.  The pickling mixture may be compressed to cubical, conical &c. shaped bodies of definite weight to facilitate handling and use.
Patent GB-701721-A (GB)
Title: An improved tube cutting apparatus
IPC: B23D25/00
Filed: 1951-12-11
Abstract: 701,721. Shearing. GENERAL MOTORS CORPORATION. Dec. 11, 1951 [Dec. 29, 1950], No. 28948/51. Class 83 (4) In a machine for cutting moving tubing &c. a stationary cutter is operated by a solenoid energized at high voltage from a condenser which discharges through the solenoid when the free end of the tube strikes a trigger. The cutter severs the tube and is then almost instantaneously retracted by an electromagnet actuated on completion of the cutting stroke. The cut portion is ejected by an electromagnet energized by a switch, upon return of the cutting blade to its initial position, in series with a relay and time delay device to prevent ejection before the cut length has moved clear of the cutter. Two electromagnets S1, S2, Fig. 1, actuate a lever 107 to which is pivoted a rod 121 carrying a cutter 125, Fig. 5. On energization of the electromagnet S1 the rod 121 is lowered, side plates 133 actuate clamps 126 and the cutter 125 severs the tube T and switches MS2, MS3 and MS2' are actuated The cut tube moves under a shoe 170, Fig. 9, secured to a shaft 168 rotated by energization of an electromagnet S3 to expel the tube to a rack 179. Abutments 194, 195 actuate contacts MS4, MS5. The end of the tube contacts a trigger 223, Fig. 10, controlling a switch MS1 roughly adjusted by loosening screws 206 and finely adjusted by a screw and nut device 212. Energization of an electromagnet S4 swings the trigger into operative position. The switch MS1 when operated by the trigger 223 connects a battery to a control device which causes a condenser to discharge a pulse to energize the electromagnet S1. The switches MS2, MS21 operated by the cutter mechanism actuates the electromagnet S2 for retracting the cutter. On completion of the return of the cutter the switch MS3 operates a circuit through a timer to energize the electromagnet S3 to eject the tube. Upon completion of the ejection switch MS4 is actuated to deenergize the electromagnet S2 and switch MS5 is closed to energize an electromagnet S4 which resets the trigger 223 for the next cycle.
Patent GB-688906-A (GB)
Title: Improvements in cloths for filter presses
IPC: B01D39/08
Filed: 1949-11-12
Abstract: 688,906. Filters; filtering media. HEATH, J. S., and HEATH, C. R. [trading as HEATH & SON, G. H.]. Nov. 13, 1950 [Nov. 12, 1949], No. 29011/49. Class 46 A dual filter cloth for a filter press (e.g. for potters' clay), comprising two cloths interconnected by a feed pipe has a backing of loosely-woven or reticulated plastic material attached to each cloth adjacent its edges by nylon or plastic thread to provide a combination filter cloth impervious to mildew spores. A hem for the purpose set forth in Specification 500,669 may be formed by folding and stitching at the top of each cloth. As shown, cloths a each of nylon fabric are interconnected by a feed pipe a<SP>2</SP> preferably also of nylon fabric and each has sewn thereto by plastic thread a<SP>1</SP> around the edges a backing b of plastic material, a hem or roll being formed at the top for the purpose referred to above Specification 482,612, also is referred to in the Provisional Specification.
Patent GB-661023-A (GB)
Title: Alkaline detergent materials
IPC: C11D1/14
Filed: 1948-11-08
Abstract: Alkaline detergents having an enhanced whiteness in sunlight contain a minor proportion of a coumarin derivative of the general formula <FORM:0661023/III/1> where R is an alkyl, cycloalkyl or aralkyl group having a saturated carbon atom adjacent to the coumarin ring and containing up to 15 carbon atoms; R1 is an hydroxy, amino, mono or di-alkylamino, mono or di-alkylolamino, or heterocyclic amino group, the carbon atoms of the R1 group being up to 6; and R11 is hydrogen or alkyl, also containing up to 6 carbon atoms.  The compounds are alkali-stable and blue fluorescing and differ mainly from similar whitening agents in the inclusion of the R group.  A number of compounds are specified such as -3-isopropyl-7-hydroxycoumarin, 3-isopropyl-4-methyl - 7 - hydroxycoumarin, 3 - hexyl - 7 - aminocoumarin, 3-butyl-7-diethylaminocoumarin, 3-benzyl-7-piperidinocoumarin, 3-benzyl-4-methyl-7-hydroxycoumarin, and 3 - isopropyl - 4 - propyl - 7 - diethanolaminocoumarin. Compounds in which the R1 group is diethylamino are emphasized.  The alkaline detergents comprise a soap or an anionic or non-ionic synthetic organic soapless detergent or mixtures thereof together with an alkaline substance comprising a soap or an inorganic alkaline salt or mixtures of those.  The alkaline inorganic salt may be chosen from the group consisting of carbonates, phosphates, polyphosphates, silicates, borates and mixtures thereof.  The products may be in the form of bars, granules or flakes. Specifications 431,682, [Group IV], 567,716, 575,406, 584,436 and 584,484 are referred to.
Patent GB-1094167-A (GB)
Title: Separation of lutidine and picoline bases
IPC: C07D213/06
Filed: 1966-06-28
Abstract: 2,6-Lutidine is separated from picoline bases by distilling the mixture in the presence of a small proportion of an aqueous solution of ammonium sulphate or ammonium hydroxide, whereby the lutidine distils over first.  In an example, a mixture (3 parts) of 2,6-lutidine, 3-picoline and 4-picoline is introduced into the kettle of a distillation column, and 1 part of a 5% aqueous solution of ammonium sulphate is added.  In the course of the distillation, the lutidine fraction as well as a middle fraction are collected.  As soon as the condensate no longer separates into two layers, the boiling in the kettle is reduced and the lower layer of salt solution is run out.  Then the residual picoline bases are distilled.  In a further example, the still contains the mixture-to-be-separated and water; and gaseous ammonia is introduced by means of a stirrer-blower.
Patent GB-617248-A (GB)
Title: Electron discharge devices of the magnetron type
IPC: H01J23/05
Filed: 1945-11-01
Abstract: 617,248. Magnetrons. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. Nov. 1, 1945, No. 29066. Convention date, May 29, 1944. [Class 39 (i)] A magnetron comprises an anode block 10, Fig. 1, having a plurality of cavity resonators 11 therein which open into a central chamber, a cold secondary emissive cathode 13 extending through the chamber, a primary thermionic cathode 16 outside the chamber, and a grid 19 for controlling the primary electron flow. The cold cathode 13 is of silver-magnesium alloy and is coated with secondary emissive material ; it is air or water-cooled, being formed as a hollow tube sealed at either end through glass or ceramic cups 22, 23. The thermionic cathode is annular and the grid 16 is in the form of a spiral, Fig. 2 (not shown) ; a disc 15 is mounted on the cold cathode 13. Specifications 588,186, 590,549, and 613,809 are referred to.
Patent GB-350855-A (GB)
Title: Receptacle or pot for centrifugal apparatus
IPC: C08L21/00
Filed: 1930-09-29
Abstract: Baskets or pots for centrifugal apparatus are formed from a mixture of natural or synthetic rubber, sulphur and synthetic resins; filling materials may be added if desired.  The resin is introduced into the mixture of rubber and sulphur on a hot rolling mill and the paste thus obtained is moulded and vulcanized.
Patent GB-692305-A (GB)
Title: Improvements in or relating to boots, shoes, slippers and like articles of footwear
IPC: A43B15/00
Filed: 1949-11-14
Abstract: 692,305. Footwear. SUDBOROUGH & WOOD, Ltd., and SUDBOROUGH, J. T. Aug. 1, 1950 (Nov. 14, 1949], No. 29146/49. Class 17 (ii). Boots, shoes, sandals slippers and like articles of footwear have the lower edge 1a of the leather upper 1 overlapping a part only 2c of the depth of the crepe rubber sole 2 and a band of crepe rubber 3 overlaps the lower edge portion of the upper, to which it is attached solely by adhesive, and also the edge of the sole to which it is similarly attached. The band 3 may be widened where it passes round the heel.
Patent GB-504198-A (GB)
Title: Improvements in milling cutters for footwear
IPC: A43D87/00
Filed: 1937-10-26
Abstract: 504,198. Trimming footwear. TOUBLANC, E. Oct. 26, 1937, No. 29184. Convention date, Oct. 31, 1936. [Class 17 (i)] [Also in Group VIII] A rotary trimming tool for footwear comprises a body part 1 provided with notches 2 in which are mounted cutting teeth 3 secured by a nut 9 screwed on to the body part. The nut has a conical surface to engage through a resilient washer 10 with inclines 7 on the teeth. The teeth may be further secured by a ring 13 engaged in grooves therein and in the body part. Each tooth may be further secured by a cotter 15 or a small spring steel blade 14.
Patent GB-835901-A (GB)
Title: Improvements in or relating to methods of and apparatus for sizing objects
Inventor: NUTTALL THOMAS CAYTON
IPC: G06M11/04
Filed: 1956-09-25
Abstract: 835,901. Counting dispersed objects. RANK CINTEL Ltd. Sept. 24, 1957 [Sept. 25, 1956], No. 29264/56. Class 40 (3). Dispersed objects are scanned to produce electrical signals from which a count of those objects exceeding a predetermined size is obtained. The objects 1, Fig. 1, dispersed in the field 2 are scanned by the device 3, e.g. a television camera including a pick-up tube or a flying spot cathode-ray tube co-operating with a photo-multiplier tube, such that objects of the size to be counted are scanned a number of times. The signals produced, of a duration proportional to the object size, enter the circuit 5 which produces a quantized signal having one value when the scan encounters an object and another at all other times. These signals enter a front-end clipper 7 in which a pulse is generated which commences with the applied pulse and has a duration which is adjusted to be a function of the maximum size of object which is not to be counted. Subtraction of the applied and produced pulses ensures an output from 7 only when an object exceeding the predetermined size is scanned. These reduced pulses are injected into a circulatory circuit comprising an injector 8 which produces an output pulse when supplied with an input pulse at either or both its inputs, a gate 6 opened by the quantized pulse, an extender circuit 9 which extends the duration of the pulses passing through it by a fixed amount and a delay circuit 10 which introduces a delay equal to the line repetition period less a fixed amount. The output of the delay circuit is passed to the input of the injector 8. The result is a circulating pulse which increases bilaterally in duration until limited by the opening of the gate 6. A counter circuit 11 described in Specification 778,288 registers a count only when a signal enters or leaves the circulatory path. Another arrangement, Fig. 4 (not shown), introduces further safeguards against spurious operation by decreasing the build-up time to pulse duration limiting by the gate circuit. Specification 830,744 also is referred to.
Patent GB-716473-A (GB)
Title: Process for improving the properties of sintered bodies
IPC: C22C33/02
Filed: 1952-11-20
Abstract: Pole-pieces &c. of permanent magnets in electron microscopes are sintered from a powder composed of 1-10 per cent. aluminium, 0.001-2.5 per cent. boron and the remainder iron.  The aluminium can be replaced wholly or in part by one or more of the metals cobalt, nickel, silicon, titanium, and copper.  The iron may be obtained from sintered carbonyl iron subsequently hot or cold worked and annealed in hydrogen.  The boron may be added as ferroboron.
Patent GB-617964-A (GB)
Title: Improvements in chucks
IPC: B23B31/20
Filed: 1945-11-05
Abstract: 617,964. Chucks. NEWTON, E. P. (Jacobs Manufacturing Co.). Nov. 5, 1945, No. 29410. [Class 83 (iii)] In a collet having gripping members angularly spaced and interconnected by incompressible resilient material symmetrically disposed about a common axis, the material is in the form of foldable spanning struts connected to the gripping members. The resilient material 30, Fig. 4, may be synthetic rubber, and bonded to the gripping members 20 so as to pass through holes 26 therein if desired. Other shapes of material are described, with straight or radiallyslitted outer surfaces, and inner surfaces having two radial slits or a semicircular or V-shaped cut-out; a form with relatively thin leaves that fold bellows-fashion is also described, and Fig. 6 illustrates a shape used where the adjacent sides of the gripping members are parallel. The collet may be used in a chuck as shown in Fig. 12, in which the members are closed by a bevelled ring 48 screwing into a body 41; additional tightening may be given by rotating a transverse pin 46 having eccentric ends 47 that cause a block 44 to move the collet forwardly. Specification 584,258 is referred to.
Patent GB-1114068-A (GB)
Title: A depilation process
IPC: C14C1/06
Filed: 1966-06-30
Abstract: In depilating and bleaching hides and skins, they are subjected to the action of a per-acid, or a salt thereof, and subsequently treated with an alkaline base or salt, such as ammonium sulphate, sodium bicarbonate, sodium carbonate, sodium phosphate or sodium hydrogen phosphate.  Suitable per-acids are: Caro's acid (H2SO5) and per-acetic acid.  The hides and skins may be treated, in a tank rotating at 2 to 5 r.p.m., with an aqueous liquor containing between 5 and 15 per cent of Caro's acid, or a Caroate, or between 0.5 and 5 per cent of peracetic acid, based on the weight of the hides and skins, or on the total weight of liquor.  Removal of hair is facilitated by such treatment, because the hair is oxidized and made soluble in water.
Patent GB-1057693-A (GB)
Title: Laminating wood using extended phenolic adhesive resins
IPC: C09J161/06
Filed: 1963-07-25
Abstract: 1,057,693. Plywood. DOW CHEMICAL CO. July 25, 1963 [Aug. 1, 1962 (3)], No. 29462/63. Heading B5L. Plywood is made by bonding at least two plies of wood with an aqueous adhesive containing a water-soluble thermosetting phenolaldehyde condensate resin, a basic catalyst, a finely divided solid carbon extender and optionally a water-swellable organic extender and a water-soluble gum. Preferred such adhesives and their method of preparation are the subject of divisional Specification 1,057,695 (see Division C3). In examples, 3-ply is made from 0.32 mm. Douglas Fir heartwood veneer, using the adhesive of the invention and comparative adhesives.
Patent GB-300777-A (GB)
Title: A new or improved article of apparel for personal wear
IPC: A61F7/02
Filed: 1927-11-04
Abstract: 300,777. Senior, E. Nov. 4, 1927. Undergarments for covering the back.-A spine and kidney protector comprises a strip of material 1 capable of extending from the wearer's neck to the bottom of the spine and provided with a widened portion 2 for the kidneys and with fastening tapes 3, 4.
Patent GB-229019-A (GB)
Title: Electric discharge tubes
IPC: H01J1/13
Filed: 1923-11-22
Abstract: 229,019. Ghyssaert, A. I. B. Nov. 22, 1923. Vacuum tubes. - The cathode of a tube for use in wireless systems consists of a metal box heated by an agent such as gas. so as to dispense with the usual filament and battery. The box may consist of a nickel or copper cylinder 4 provided with an oxide coating and with strengthening gills 5, which also serve to prevent overheating. The ends of the cylinder may be shaped to increase the cooling surface. A helical grid 6 and an anode 7 are mounted inside the cylinder. A filling of an inert gas such as nitrogen or neon may be used.
Patent GB-265321-A (GB)
Title: Improvements relating to woven fabrics
IPC: D03D11/00
Filed: 1925-11-23
Abstract: 265,321. Webb, K. W. Nov. 23, 1925. Mixed fabrics.-Towel cloth for drying purposes is made with the warp and weft each comprising cotton and linen threads so woven that the cotton threads are brought wholly or mainly to both surfaces of the fabric, while the linen threads are kept away or mainly away from both sides of the fabric. In the fabric shown in Fig. 1, cotton threads 1 are brought to the surfaces, cotton threads 2 are kept mainly below the surfaces, and linen threads 3 are kept mainly below the surfaces of the fabric. In the fabric shown in Fig. 2, cotton threads 6 in warps and weft are brought mainly to the surfaces of the fabric while the linen threads 7 are kept below the surfaces except for tying purposes. The Provisional Specification also describes fabrics made of a number of different materials, one or more of the materials being brought to the surface on one or both sides of the fabric, while other materials are kept below the surfaces on one or both sides of the fabric.