baber/WOPTO huggingface dataset:
Patent GB-1287332-A (GB)
Title: Improvements in or relating to hand tools
Inventor: STEBBINGS LEONARD ARTHUR
IPC: A47J43/26
Filed: 1970-02-04
Abstract: 1287332 Nutcrackers L A STEBBINGS 19 April 1971 [4 Feb 1970] 5330/70 Heading A4A [Also in Division B4] A hand tool comprises a first handle 1 integrally joined to a first working jaw, a second working jaw being integrally joined to a part of a member 2 which extends within a U-shaped rear part of the handle 1 and is pivoted at 5 thereto, a second handle 3 being pivoted at 6 to an integral lateral projection on the handle and having a cam surface 7 engaging with the member 2 to close the jaws as the handles are moved towards each other. The jaws are preferably urged apart by a spring 4. For use as a nutcracker the jaws are serrated and a detent 8 is provided to limit the closure of the jaws. The jaws may alternatively be allowed to close completely and may be provided with cutting edges.
Patent GB-1170107-A (GB)
Title: Surface-Sized Fibrous Materials.
IPC: C08F8/00
Filed: 1967-02-03
Abstract: 1,170,107. Amides or salts of vinyl ether/ polybasic acid copolymers. MONSANTO CO. 3 Feb., 1967 [4 Feb., 1966], No. 5337/67. Heading C3P. [Also in Division D2] Sizing agents for fibrous materials comprise a partial amide, mono- or di-ammonium salt, amide-amine salt or alkali metal salt of a copolymer of (a) vinyl ethers with 8-25 carbon atoms in the non-vinyl portion, and (b) residues of unsaturated polybasic acids, in an ether-toacid residue molar ratio of between 1/0À9 and 1/1À8, preferably with the ether and acid residues alternately disposed. Other monomers may be present such as di-isobutylene, vinyl-toluene, styrene, acrylonitrile and methyl methacrylate. Various alkyl, alkenyl, aryl, alkylaryl, alkoxyaryl and aryloxyalkyl vinyl ethers are specified. The polybasic acid residue may be introduced by means of a C 4 -C 10  acid anhydride, e.g. maleic, itaconic, aconitic, citraconic or chloromaleic, or by using monomethyl maleate, fumaric acid or hexen-3-ylene-1:6-dicarboxylic acid. Up to 10% of olefinic monocarboxylic acid may also be present, e.g. acrylic or crotonic. Polymerization is effected in benzene, toluene or xylene, with catalysts such as azobis-isobutyronitrlie, di-tert-butyl peroxide, tert-butyl perbenzoate or benzoyl peroxide, and a 50-150‹ C. initiator such as isopropyl peroxydicarbonate or tetrachlorobenzoyl peroxide. An alkanol may also be present to convert the acid anhydride groups into partial esters. The products have a mol. wt. below 200,000. The polymers are converted into their amide and/or salt derivatives by treatment with ammonia, alkali metal hydroxide or an amine of mol. wt. below 300, e.g. methylamine, ethylamine, diethylamine, propanolamine, diethanolamine, triethylamine or tributylamine. Compositions are formed of the above polymer derivatives with starch or proteinaceous sizes, e.g. corn, potato, sago, wheat, enzymeconverted, hydroxyethylated or oxidized starches, cationic starches having quaternary ammonium or other amine salt groups, or starch derivatives such as British gums.
Patent GB-751632-A (GB)
Title: Improvements in and relating to shredding machines
Inventor: GIRBOW ARTHUR HENRY
IPC: C08B1/14
Filed: 1954-02-24
Abstract: 751,632. Shredding machines. COURTAULDS, Ltd. Feb. 23, 1955 [Feb. 24, 1954], No. 5393/54. Class 59. In a shredder for alkali cellulose comprising a drum 1 having fixed pyramidal teeth 10 on its inner surface which co-operate with teeth provided on bars 9 mounted on a screw 8 which moves the material from an inlet 2 to an outlet 3, the teeth on each bar 9, which is parallel to the axis of the screw 8, are saw-toothed ridges towards the inlet and pyramidal towards the outlet. The saw-toothed ridges 17 occupy one quarter of the length of each bar 9 and are inclined to the bar so that they tend to move the alkali cellulose in a direction opposite to that imparted to it by the screw 8. The pyramidal teeth occupying the remainder of each bar are divided into two or more groups, the teeth 22 in the group nearest the outlet being smaller than the teeth 19 in the other group or groups. The respective teeth 19, 22 are staggered to eliminate gaps transversely across the bar. A baffle 11 rotated by the screw 8 extends diametrically across the drum between two of the bars 9 to ensure that the alkali cellulose passes between the teeth 10 and the ridges 17 and teeth 19, 22. The sheets of alkali cellulose may be fed to a pre-breaker 25. Specifications 712,004 and 713,503 are referred to.
Patent GB-494810-A (GB)
Title: Improvements in electric battery lamps
IPC: F21L4/00
Filed: 1938-02-21
Abstract: 494,810. Electric - battery lamps. ELEKTROTECHNISCHE FABRIK SCHMIDT & CO., GES. Feb. 21, 1938, No. 5413. Convention date, Feb. 26, 1937. [Class 39 (ii)] A lamp casing of the flat form usually employing a flat battery incorporating a number of dry cells arranged side by side, is adapted to receive at least two separate cylindrical cells by attaching to the inside wall of one side of the casing 2 a separate unit which carries all the contacts and switch members with the exception of a resilient bridge 15 which connects the cells in series, the unit also including a sheet-metal trough 11 with side walls which co-operate with the wall of the casing to locate the cylindrical cells 6 in position. The contact-carrying unit comprises a sheet 10 of insulating material to which is attached an offset resilient contact 9 with one end bearing on a pole of one cell, whilst its other end 9<1> is arranged to contact with the sliding contact 13 of the switch when the latter is in the " on " position. A similar contact 7 bearing on the end of the adjacent cell carries an offset blade spring 8 which forms a contact for the centre pole of the lamp bulb, the end 7<1> of the contact 7 serving as a stop to limit the screwing movement of the bulb into its socket. The bulb-socket reflector 4 is secured in a removable end cap 1. A closing cap 3 at the other end of the casing is secured in position against the pressure of spring 15 by providing its flat sides with lateral channels which engage corresponding projections on the bottom edges of the casing 2.
Patent GB-249296-A (GB)
Title: Improvements in jacks for lifting wheels of road vehicles
IPC: B66F3/00
Filed: 1925-02-27
Abstract: 249,296. Timmis, R. B. Feb. 27, 1925. Jacks. -A block J of the shape shown is adapted for placing under the brake drum D or other moving part of a wheel.
Patent GB-355756-A (GB)
IPC: B23Q5/40
Filed: 1930-02-19
Abstract: 355,756. Planing. BERTHIEZ, C., 44, Rue Lafayette, Paris. Feb. 19, 1930, No. 5552. Convention date, Feb. 26, 1929. Void [Published under Sect. 91 of the Acts]. [Class 83 (iii).] The table a of a planing machine is driven by means of a vertical rack c on the table engaging a pinion e<1> carried by a vertical shaft e which is connected by bevel gearing C2 to an inclined horizontal shaft g which is driven alternately in opposite directions from countershaft pulleys h. The countershaft may be driven from an irreversible electric motor (not shown).
Patent GB-621664-A (GB)
Title: Improvement in slide wire permeability tuning device
IPC: H01F21/06
Filed: 1947-02-26
Abstract: 621,664. Inductances. PLESSEY CO., Ltd. Feb. 26, 1947, No. 5589. Convention date, Feb. 26, 1946. [Class 38 (ii)] A variable inductance slide-wire tuning device comprises a rotatable structure inside which is arranged a powdered magnetic core and upon which is wound a coil of bare conductor having a metallic contact member in engagement therewith and provided with means for effecting relative simultaneous movement between the core, coil and contact member thereby to increase the tuning range and the frequency variation per turn at the lower end of the range, and to substantially reduce the hysteresis and eddy current losses at the highfrequency end of the range. A former 10 of insulating material has a coil 20 wound over part of its surface, a powdered magnetic core 40 arranged to be movable therein and a metallic member 23 in engagement with the coil so that, when the coil structure is rotated by means of the control 17, the core and the metallic member move longitudinally in relation to the coil in opposing directions. The portion of the coil between the end cap 11 and the member 23 is effectively short-circuited so that when the member 23 is adjacent the end of the core remote from the abutment 43, the effect of the core is substantially removed. The complete unit may be enclosed in a shield can as shown. In a modification, a core 140 having a tapered aperture is arranged to move beyond the end of the former thus enabling the coil 120 to occupy the whole surface of the former 10. By varying the taper of the core, any desired calibration of frequency variation may be obtained.
Patent GB-1413695-A (GB)
Title: Fuel injection pump timing device
IPC: F02D1/18
Filed: 1973-02-07
Abstract: 1413695 Fuel injection pumps AMBAC INDUSTRIES Inc 7 Feb 1973 05591/74 Divided out of 1413694 Heading F1A The subject matter of this Specification is identical to that described in Specification 1413694 but the claims are directed to a fuel injection timing device which is operable to provide an additional retardation of the timing for starting over and above that occuring at idling.
Patent GB-525376-A (GB)
Title: Improvements in or relating to methods of separating metals from mixtures of compounds of the metals
IPC: C22B7/02
Filed: 1939-02-20
Abstract: 525,376. Induction furnaces. PHELPS DODGE CORPORATION. Feb. 20, 1939, No. 5594. Convention date, March 3, 1938. [Class 39 (iii)] [Also in Group II] Mixtures of metal compounds, for example, fume deposits containing tin, lead, zinc, antimony, arsenic &c. are treated, if desired after preliminary treatment for the removal of sulphur, arsenic and antimony, for the separation of the metals by subjecting the mixture to selective reduction, e.g., by hydrogen to reduce one or more of the compounds, e.g., tin and lead, to metal without reducing one or more others, e.g. zinc, maintaining the mixture above the melting point of the reduced metal and below the melting point of the unreduced compounds, and subjecting the mixture to pressure to express the molten metal. The mixture of metals obtained may be separated by fractional distillation under reduced pressure, for example, in a highfrequency furnace 14 fitted with a water-cooled coil 16, condenser 21, and receiver 22, the molten charge being admitted and the residue discharged through tubes 27, 28, and the whole furnace and condenser being enclosed in an exhausted chamber 25.
Patent GB-248554-A (GB)
Title: Improvements in or relating to knobs for the lids of kettles, saucepans, or the like
IPC: A47J45/07
Filed: 1925-03-02
Abstract: 248,554. Pearson, F. W. March 2, 1925. Handles.-Relates to knobs or handles for kettle &c. lids. Fig. 3 shows a form in which the hollow knob 1 is formed integral with the lid. The knob is shouldered or recessed to receive a ring 3 of heat insulating material the domed end 2 being expanded over the upper face of the ring to keep it in place. Fig. 5 shows a similar knob formed separately and provided with a screwed attachment pin 6 riveted to a metal disc 7 held within the lower end of the knob. Fig. 7 shows the ring 3<a> held in place by a separate fixing member 4<a> the lower edge of which is worked over Ó shoulder on the knob.
Patent GB-1168201-A (GB)
Title: Improvements in and relating to Injection Syringes
IPC: A61M5/315
Filed: 1968-02-05
Abstract: 1,168,201. Injection syringe. ELASTMETALL-DAMME OLDENBURG G.m.b.H. 5 Feb., 1968 [5 Dec., 1967], No. 5658/68. Heading ASR. An injection syringe of the type composed of a syringe barrel of plastics material open at one end and a plunger guided therein in sealed relationship with the barrel by means of a piston ring of elastic material, is characterised in that the groove 11 in the piston 2 in which the sealing ring 10 is seated is wider than the crosssectional diameter of the ring and has a base surface 11 which slopes outwardly from top to bottom (the syringe being positioned so that the needle is at the bottom), this arrangement allowing for the slight conicity of the barrel inherent in the usual method of making it.
Patent GB-795215-A (GB)
Title: Improvements in or relating to bathrobes
IPC: A41D7/00
Filed: 1956-02-24
Abstract: 795,215. Bathrobes. WAINSTEIN, L. Feb. 24, 1956, No. 5800/56. Class 141 A bath-robe &c. comprises a rectangular piece of towelling provided with darts 3, buttons 5, 6 and buttonholes 4 so that it may be secured around the body below the armpits. The buttons may be carried by elastic bands, or arranged in two rows for adjustment.
Patent GB-163814-A (GB)
Title: Improvements in and relating to means for scarfing boiler and ship plates, cutting inclined keyways, or other purposes
IPC: B23Q1/48
Filed: 1920-02-27
Abstract: 163,814. Barnes, J. W. Feb. 27, 1920. Addition to 134,960. Milling-machines.-In the machine described in the parent Specification, the traversing-screw of the cutter slide is driven from the milling-cutter spindle. The cutter spindle 3, Fig. 2, drives through helical gearing 2, 4, a spindle 7, which is connected by a coupling 18 to an extensible shaft 9 having universal joints 10. The shaft 9 carries a bevel-wheel 11 gearing with a bevel-wheel 12, rotating a shaft 8, but slidable axially on it. The shaft 8 is carried by brackets 13 on the guide 14 and an intermediate bracket on the slide 17, and drives the traverse screw 16 by means such as chain gearing 15. The traverse may be reversed by turning the casing of the helical gear 2 round the spindle 3 and coupling the other end of the spindle 7 to the spindle 9. An electromotor carried by a bracket on the housing 20 drives the spindle 3 through helical gearing 32, 33. In a modification the shaft 8, Fig. 3, is driven by a non-extensible spindle 9a through bevel-wheels 22, 23, the end of the spindle 9<a> being supported in a bracket 22<a> loosely mounted on the shaft 8. The other end of the spindle 9<a >slides through a bracket 24 carrying a bevel-wheel 27, which is driven from the cutter spindle 3 and drives two bevel-wheels 25, 26, loose on the spindle 9<a>. Either of the bevel-wheels 25, 26 can be engaged with the spindle by means of a clutch 28.
Patent GB-1124705-A (GB)
Title: Handles for carrying objects
IPC: A45C13/26
Filed: 1967-02-08
Abstract: 1,124,705. Carrying handles. NORDISK PLASTER INDUSTRI, A.S. 8 Feb., 1967 [1 March, 1966], No. 5940/67. Heading A4G. A carrying handle for adhering to articles comprises a flexible strip 2 of paper, textile, plastics or metallic material having an adhesive coating 4 anchored to it and a flexible cover material 1 of the same width as the strip and covering the adhesive in the central longitudinal part of the strip to form the handle grip portion with the adhesive exposed ends available for attachment to an article. The cover material may be paper, textile, plastics or metallic material, foamed plastics being preferable. The handle may be transparent, decorated or carry advertisements. The handles may be individually separated or form a roll in a tape dispenser and the non-adhesive side may carry a release coating e.g. by siliconising it. The strip may be strengthened with threads or woven metal, glass, natural or synthetic fibres, and the adhesive exposed ends provided with covers.
Patent GB-1459484-A (GB)
Title: Sphere passing tees for piping systems
IPC: F16L41/02
Filed: 1974-02-11
Abstract: 1459484 Making sphere-passing tees SUN FORGE OPERATIONS Ltd 11 Feb 1975 [11 Feb 1974] 06111/74 Heading B3A [Also in Division F2] A sphere-passing tee for connection in a pipeline comprises an outer tube 15 having a branch outlet 6 formed by an extrusion process (well known in the art) and a sphere-guiding tube 1 having slot-like apertures 2 of substantially rectangular form. A first length 19 of the outer tube 15 is tapered by a die forming process towards one end 20 to a diameter less than that of the internal diameter of the sphere-guiding tube 1. Said sphere-guiding tube is then inserted within the tube 15 so that one end abuts and is welded to part of the interior surface of the tapered portion 19 of the outer tube 15. A second length 25 of the tube 15 is then similarly tapered towards the end 24; part of the interior surface of said tapered length 25 contacting and being welded to the adjacent end of the sphere-guiding tube 1. The ends 20, 24 of the tee are then bored out to a diameter equal to that of the internal diameter of the sphere-guiding tube 1 and a weld preparation machined on to said ends and the rim 26 of the branch outlet. The tee may be welded to a pipe line. The material of the tubes 1 and 15 is preferably ASTM A633.Y60 steel initially in the annealed state; the tee piece being normalized prior to the step of boring out the ends 20, 24.
Patent GB-765971-A (GB)
Title: Improvements in or relating to devices for removable barrels in fire arms
IPC: F41A21/48
Filed: 1954-03-02
Abstract: 765,971. Mounting removable barrels in smallarms. LUNDIN, N. F. March 2, 1954, No. 6142/54. Class 119. A removable barrel 1 Fig. 1 has a rear end flange 7 which engages in a groove 8 formed inside a U-shaped groove 6 in the breech casing 3 and a handle 9 on the rear end of the barrel is provided with movable means which cooperate with stationary means on the breech casing to lock the barrel in position in the groove 6, the arrangement being such that the operator gripping the handle 9 by one hand can actuate the movable means by the same hand without any substantial shifting of the grip. In one form Figs. 3, 6 the movable means comprise locking teeth 21 attached to the rear ends of flat springs 24 secured at their front ends to the outside of the handle 9, the teeth 21 engaging in longitudinal grooves 22 in the breech casing 3. By gripping the handle 9 and pressing the springs 24 against the handle, the teeth 21. are disengaged from the notches 22. In another form Fig. 11 the movable means comprise claws 37 pivoting about a pin 38 in the handle 9 and adapted to engage notches 36 at the front end of the casing 3. A spring-urged lever 39 connected to the inwardly bent ends 40 of the claws 37 is arranged within the handle 9 and an opening 43 therein permits insertion of the forefinger for lifting the end of the lever so releasing the claws 37 from the notches 36. The handle is secured to the barrel by means of a spring clamp 13 Fig. 5 (not shown) engaging over a lower plate 10 of the handle 9 and in notches 18 in the barrel and by a bolt 15 in a bore in the barrel which passes through holes in the plate 10 and clamp 13.
Patent GB-1515634-A (GB)
Title: Fancy yarn and its production
IPC: D02G3/22
Filed: 1976-02-17
Abstract: 1515634 Spinning and finishing yarns RHONE - POULENC - TEXTILE 17 Feb 1976 [18 Feb 1975] 06206/76 Headings D1F and D1W Fancy spun yarn as may be used to make pile fabrics comprises a mixture of two types of synthetic fibre differing in composition length and titre. The short fibre e.g. 10-30% of acrylic, has a length e.g. 40-50mm, less than the minimum length e.g. 120-170mm compatible with conventional spinning apparatus for the long fibre e.g. 70-90% of polyester, and the titre of the long fibre is at least five times greater than the other fibre. The fibres may have been differently precrimped and perhaps preheated to set such crimp and/or the spun yarn may be (further) crimped e.g. by a knit heat-set, deknit process. The fibre mixing may be achieved at the sliver doubling and drafting stage e.g. during the final pass through an intersecting gill-box.
Patent GB-817168-A (GB)
Title: Improvements in or relating to radar systems
Inventor: WRIGHT PETER MAURICE
IPC: G01S13/42
Filed: 1952-03-10
Abstract: 817,168. Radar. MARCONI'S WIRELESS TELEGRAPH CO. Ltd., and BUCKINGHAM, J. Nov. 26, 1952 [March 10, 1952], No. 6224/52. Drawings to Specification. Class 40 (7). In a C.W. frequency-modulated radar system, several horizontally adjacent, highly directional, differently directed receivers are each connected to separate storage circuits, which are explored sequentially in synchronism with the X-deflection of the display C.R.T. The Y- deflection and the sawtooth modulation of the transmitted frequency are synchronized and the C.R.T. control electrode is energized from the exploring device whereby a target located in one of the receiver zones produces a signal in the corresponding store which is applied to the C.R.T. screen at the instant when the spot X-deflection corresponds with the target azimuth position. The target range is given by the spot Y-deflection.
Patent GB-724699-A (GB)
Title: Isonicotinic acid derivatives and process for the manufacture thereof
IPC: C07D409/12
Filed: 1953-03-06
Abstract: The invention comprises chemotherapeutic compounds of the general formula <FORM:0724699/IV (b)/1> wherein R1 is hydrogen or alkyl and R2 is pyridyl or thienyl or nitrofuryl.  They are prepared by reacting isonicotinyl hydrazine with an aldehyde or ketone of the formula R1-CO-R2, preferably in a diluent, e.g. water and/or a lower alcohol.  The examples describe the preparation of (1) 1-iso-nicotinyl-2-[pyridyl - (31) - methylidene] - hydrazine, using pyridine - (3) - aldehyde; (2) the pyridyl - (41) - methylidene derivative; (3) 1 - isonicotinyl - 2 - [thienyl - (21) - methylidene] - hydrazine, using thiophene - (2) - carboxyaldehyde; (4) 1 - isonicotinyl - 2 - (51 - nitro - furfurylidene) - hydrazine, using 5 - nitro - furfural; (5) 1 - isonicotinyl - 2 - [11 - (pyridyl - 411) - ethylidene]-hydrazine, using methyl pyridyl - (4) - ketone; (6) 1 - isonicotinyl - 2 - [11 - (pyridyl - 311 - propylidene] - hydrazine and (7) the 11 - (pyridyl - 411) - propylidene derivative, using 3 - propionyl - and 4 - propionyl - pyridine respectively; (8) 1 - iso - nicotinyl - 2 - [11 - (thienyl - 211) - ethylidene] - hydrazine, using 2- acetyl-thiophene.
Patent GB-1413628-A (GB)
Title: Combined drive installation for vehicles
IPC: B63H21/20
Filed: 1973-02-08
Abstract: 1413628 Ship propulsion LOHMANN & STOLTERFOHT AG 8 Feb 1973 [8 Feb 1972] 6327/73 Heading B7V A ship combined drive installation comprises one or more driving engines 3, 5 and a gas turbine 7 which can be connected to the ship's transmission 2 by a disengageable coupling 8 having a primary part 9 and a secondary part 11. Rotational speed measuring devices 13, 14 are connected one, 13, to the primary part and the other, 14, to the secondary part of the coupling and the two devices are connected to a comparator 17 for comparing the measured values from the devices with one another. The comparator has two outputs to one of which is connected a controller 21 using the result of the comparison on synchronous running of the primary part 9 with the secondary part 11 for engaging the coupling. To the other output is connected a line 22 supplying energy to a rotational speed setting device 23 of the gas turbines in dependence on the difference between the measurement values of the two rotational speed measuring devices.