baber/WOPTO huggingface dataset:
Patent GB-424402-A (GB)
Title: Supplementary spring supports for bed mattresses and the like
IPC: A47C19/02
Filed: 1934-09-05
Abstract: 424,402. Bedsteads; spring mountings. WOOR, D. J., 35, Tower Road, Strawberry Hill, Twickenham, Middlesex. Sept. 5, 1934, No. 25502. [Class 52 (ii)] A resilient supporting device for mattresses comprises an element including upper and lower clamping members 2, 3, with a spring 1 secured between them, adapted to be fixedly or detachably secured between the bedstead frame at mattress frame. The device may comprise a helical spring 1 mounted between a pair of plates 2, 3, Fig. 2, the upper plate being formed with a depending flange 5 bent to form a channel 6 to receive the web of the mattress frame, and the lower plate being formed with a bent over part 9 and a depending flange 10 to fit the bedstead frame. Sharp projections 11 may be formed in the upper plate to engage the mattress frame. Other means of securing the plates to the mattress and bed frames, such as screws or bolts, may be used. Bent wire frames or brackets may be used instead of the plates 2, 3. The spring may be of C-shape.
Patent GB-971230-A (GB)
Title: Hermetically sealed gas drying and purifying cartridge with leak detection means
Inventor: ROBBINS HUGH C
IPC: B01D53/26
Filed: 1962-07-03
Abstract: 971,230. Drying and purifying gases ; separating particles from gases. ROBBINS AVIATION Inc. July 3, 1962, No. 25505/62. Headings B1L and BIT. A replacement cartridge for drying gases or purifying gases from solid matter, liquid vapour and other contaminants comprises a cylindrical canister 12, Fig. 2, having opposite end walls 14 and 16, a nipple 18 extending from one end wall, having a central passage leading to the drying or purifying medium 38, in the interior of the canister, at least one fluid outlet hole 50, at the opposite end of the canister, a cap 44 being fitted on the nipple and a sealing strip 46 of adhesive tape over the fluid outlet holes. Dimpling of the adhesive tape over said holes shows the presence of a partial vacuum in the canister. Within the canister are provided perforated spacers 22, 24 between which are glass wool pads 40, and desiccant, e.g. silica gel beads. Desiccant is introduced into the canister at 300 ‹F., and on cooling creates a partial vacuum which dimples the sealing cap and sealing tape.
Patent GB-1194323-A (GB)
Title: Coated Glass Flakes and Compositions thereof
IPC: C03C17/32
Filed: 1966-06-08
Abstract: 1,194,323. Coating compositions. W. J. BRADLEY. 7 June, 1967 [8 June, 1966], No. 25562/66. Heading C3B. Coating compositions contain leafing glass flakes mixed with an organic polymer or resin and a solvent. The leafing glass flakes may have, as leafing agent, a coating of a higher fatty acid such as stearic or palmitic. The organic polymer or resin may be an epoxy, alkyd, phenolic, vinyl, acrylic, polyester, polyurea or polyurethane resin or a synthetic rubber. In Example 1 a coating composition was prepared by adding a mixture of titanium dioxide, magnesium and aluminium silicates, leafing glass flakes, tinting pigments, polyamine, and aromatic amines in xylol to an epoxy resin composition.
Patent GB-598101-A (GB)
Title: Improvements in and relating to filters for liquids
IPC: A47J31/06
Filed: 1945-10-02
Abstract: 598,101. Filters. AKTIESELSKABET FREDERIKSBERG METALVAREFABRIK. Oct. 2, 1945, No. 25584. Convention date, March 8, 1944. [Class 46] [Also in Group VI] A filter for liquids, for use, for example, in the preparation of tea or coffee, comprises a filter surface divided into two or more parts, the liquid being fed to one part only, and as each part gets clogged up, the liquid is led to the next part. As shown, a filter cloth 5 of fabric or very fine-meshed metal gauze is secured across the bottom of a conical ring 1. The cloth is divided into two parts by a ring 6, a flange 7 of which is tightly secured to the cloth. A conical distributer provided with legs 9 rests on the rim of the cloth or on the inner side of the ring 1. Alternatively, the legs may rest on the cloth near to the flange 7. The ring 1 may be formed with holes 10 which may be covered with filter material. The liquid is delivered to the part of the cloth surrounding the ring 6, and when this parts gets choked up the liquid flows over the ring on to the inner part. If this also gets choked up, the liquid can escape through the openings 10.
Patent GB-339252-A (GB)
Title: Improvements in or relating to apparatus for tanning skins, hides, and the like
IPC: C14B1/00
Filed: 1929-08-23
Abstract: 339,252. Wilson, E. G. Aug. 23, 1929. Rotary drum tanning apparatus.-In tanning-apparatus of the type in which hides are mounted by means of sticks or bars on a revoluble carrier reel, such carrier reels are mounted in pairs operated by a common means so that the mechanical stresses are balanced. Reels 3, provided with slots 8 in the rims to accommodate spaced hide-supporting sticks, are mounted on shafts 5 above a tan-pit 1. Pinions 19 on the shafts mesh with worms 20 on a driving shaft 21 which is driven in direct or reverse direction by direct and crossed belts movable by a beltshifter 26 to run on a fixed pulley 23 or loose pulleys 24, the worms being cut so that the two reels revolve in opposite directions. To permit the removable mounting of the hide-supporting sticks in the recesses 8 the reels are provided with hinged rim sections 12 locked in position, after the sticks have been inserted, by pins 13.
Patent GB-215267-A (GB)
Title: Readily replaceable safety-lock for safes in safe-deposit establishments and for like purposes
IPC: E05B35/12
Filed: 1923-10-15
Abstract: 215,267. Eras, V. J. M., and Lips, H. J. J. M. Oct. 15, 1923. Lock mechanism, trustee; tumbler-type locks, attaching; key-holes, obstructing.-A trustee lock in which a custodian's bolts locks the door and is blocked by a lessee's bolt, has two sets of spring- less pivoted tumblers controlling the lessee's bolt, and is readily secured to or removed from a door by operating a sliding bolt co-operating with notched posts on the door and controlled by the lessee's bolt. Fig. 3 shows the lock in its unlocked condition. To lock, the custodian's' bolt 5, governed by springless tumblers 14 having gatings 35 co-operating with a stud 15 on the bolt, is shot by the key 61 which works in slots 16 in the tumblers and is double bitted to prevent the tumblers from being flicked upwards beyond their releasing position if the key is turned sharply. This bolt 5 is then blocked by shooting forward the lessee's bolt 6 by the key 64. This bolt is governed by two sets of tumblers 20, 21, each having shanks 27, 26 which interengage to mutually prevent any tumblers from flicking past the releasing position if the key is turned rapidly. These tumblers co-operate with bolt stumps 24, 25. The lessee's bolt, 6 has also a, cam slot 33 which, when the bolt is shot, causes a doublearmed lever 30, 31, pivoted at 29, to rock, and blocks it in the position in which it prevents the tumblers 14 from being lifted to release the bolt 5. Retraction of the lessee's bolt releases these tumblers for operation by their key. The corner 6b of the lessee's bolt, when shot, prevents complete insertion of the custodian's key. The lock is releasably secured to the door by hanging it on posts 42 fitting into holes 43 in the casing and securing it by engaging notches 70 in these posts by a bolt 40. Fig. 5 shows the lock secured to the door by the bolt 40 engaging the posts 42 and locked against operation for release by a tumbler 47 pivoted to the casing at 45. The end 73 of this tumbler engages a lug 51 on the bolt. A peg 10 on the lessee's bolt works in an inclined slot 48 in the tumbler so that when the lessee's bolt is fully shot, the bolt 40 is blocked as shown in Fig. 5, and when the lessee's bolt is fully retracted, it moves the tumbler 47 in the position indicated by II in Fig. 5 so that its end 50 engages the face 75 of the gating in the bolt 40 and blocks it. To release the bolt 40 from the posts to remove the lock, the lessee's bolt is half withdrawn so that the bolt 40 is not blocked by the tumbler 47, which can then be moved by the finger-piece 41 out of engagement with the posts 42. The bolt 40 may be further locked by the follower 55 of a revolving barrel lock 54<a>, the key of which is retained by a bank director so that no removal of the lock is possible without his co-operation.
Patent GB-397679-A (GB)
Title: Improvements in or relating to apparatus for shaking bags or containers for settlingthe material therein
IPC: B65B1/22
Filed: 1932-09-15
Abstract: 397,679. Endless-belt conveyers. BELCHER, D., 600, South 4th Street, Minneapolis, Minnesota, U.S.A. Sept. 15, 1932, No. 25685. [Class 78 (i).] In apparatus for consolidating the pulverulent contents of bags, the bags are fed to the vibratory plate 11, and are moved across it by a feed belt 42, having an outer corrugated surface, and supporting side belts 50. The belts are driven from the main shaft 29 by rolls 44, 54 respectively, and the idle rolls 55, 56 of the side belts are laterally adjustable to allow for adaptation for use with different sizes of bags. Side guards 19 and guides 61 are also laterally adjustable.
Patent GB-220196-A (GB)
Title: A new or improved process for the magnetic separation of materials by the wet method
IPC: B03C1/14
Filed: 1923-10-15
Abstract: 220,196. Rushen, P. C., (Krupp Grusonwerk Akt.-Ges., F.). Oct. 15, 1923. Magnetic separators.-In a process for magnetic separation by multiple roller or drum separators the material is successively fed to a plurality of magnetic fields or zones, the magnetic material drawn out at one or more points of separation being fed to one or more fields for repeated treatment and the non-magnetic material removed or subsequently treated by the next field or fields. The material from the hopper 1 passes on to a feed table 2 which may be oscillated and adjustably inclined. The magnetic material separated at the point A is carried upwards by the drum 5, is loosened by the guide 6 and removed in any suitable manner, being delivered on to a table 7 and delivered to the next separating point B, and so on, the magnetic material finally separated being carried away by a table 9. The non-magnetic material may be fed by the table 2 to the point B and removed at 10 or may be removed between the points A and B. In a modification, the magnetic material may be removed from the first drum and the residue passed along the table 2 for further treatment and the remaining material treated as before.
Patent GB-1009636-A (GB)
Title: A method of producing a multi-ply sheet material
IPC: D04H1/46
Filed: 1964-06-22
Abstract: One or more layers of creped cellulose, such as crepe paper containing fibres not exceeding 2 mm in length are needled to one or more layers of fibrous fleece formed from fibres at least 3 mm in length.  The fleece may be consolidated or partially consolidated before or after needling.  In examples (a) a fleece of textile fibrous consolidated on one side is needled to creped cellulose wadding so that the fleece fibres are drawn through the wadding; (b) a loose fibrous fleece needled to cellulose crepe give a baize surface on the textile side and a pile surface on the cellulose crepe; (c) a sheet of cellulose crepe is sandwiched between and needled to outer plies of fibrous fleece.
Patent GB-824739-A (GB)
Title: Improvements relating to differential gearings, particularly for motor vehicles
Filed: 1957-08-15
Abstract: 824,739. Balance gear. DAIMLER-BENZ A.G. Aug. 15, 1957 [Sept. 1, 1956], No. 25809157. Class 80 (2). Differential gearing for motor cars comprises a driving gear 4, Fig. 1, having holes or recesses 12 for rolling bodies such as balls 13 engaging spaced sinusoidally curved races 14, 15 formed in opposed hubs 9, 10 fast upon driven halfshafts 11, shells 5 fast with the driving gear surrounding the driven hubs. The sinusoidally curved race 14 has five crests while the sinusoidally curved race 15 has six crests, and eleven balls 13 are provided. Washers 17 prevent axial movement of the driven hubs 9, 10. In a modification a driving bevel gear 4, Figs. 2, 3, has recesses 18 for balls 13 engaging sinusoidally curved races 14, 15 in the driven hubs 9, 10, the axial cross-section of the races being part circular. The external faces 19 of the driven hubs 9, 10 are of frusto-conical shape and co-operate frictionally with correspondingly shaped internal surfaces on the driving hub 5 when relative rotation between the half-shafts 11 causes the balls 13 to wedge the driven hubs axially apart. Excessive slip between the driven half-shafts 11 is thus prevented.
Patent GB-1123921-A (GB)
Title: Improvements in and relating to gas turbine engines
IPC: F02C3/32
Filed: 1965-06-18
Abstract: 1,123,921. Gas turbine engines; injectors. F. TIN CHAK MA. Sept.9, 1966 [June 18, 1965], No.25859/65. Addition to 1, 093, 793. Headings F1E and F1G. The invention constitutes an improvement in or modification of the invention of Specification 1, 093, 793, only part of the air from the compressor passing to the injector pump to draw in gaseous fuel, the remaining part of the air from the compressor passing directly to the combustion equipment. In Fig. 2 only part of the air from the compressor CA passes to the nozzle of the injector pump J. P. which acts to draw in gaseous fuel, the mixture of air and gaseous fuel passing to the combustion chamber C. C., the remaining portion of air from the compressor passing directly to the combustion chamber as shown. The combustion gases from the chamber pass to the turbine T which drives the compressor CA and a useful load in the form of an electric generator. The exhaust gases from the turbine may be utilized to pre-heat the gaseous fuel in a pre-heater H. In a further embodiment Fig. 4, the combustion gases from the chamber CC pass to a second injector pump to draw in further air tapped from a low-pressure stage of the compressor, this air serving to cool the combustion gases before entry to the turbine. One form of injector pump is shown in Fig. 8 and comprises a series of concentric tubular members 101, 102, 103, 104, 105 having flared inlet ends which are received within a cylindrical chamber 107 having an inner cylindrical wall 108, the annulus so formed being divided into two chambers by a diametrical partition. Air from the compressor passes into one chamber from the inlet 110 and thence into passages 112 between the tubular members, while gaseous fuel passes into the other chamber from the inlet 111 and thence into passages 113 between the alternate tubular members.
Patent GB-867577-A (GB)
Title: Improvements in or relating to fluid flow control valves
IPC: F16K1/228
Filed: 1958-08-12
Abstract: 867,577. Valves. GROVE VALVE & REGULATOR CO. Aug. 12, 1958 [Aug. 26, 1957], No. 25909/58. Class 135. A resilient substantially triangular crosssection valve seating ring 76, Fig. 4, is freely held in a dovetail-like groove 74 having sides of greater slope than those of the ring so that the lips 83, 84 of the groove serve to retain the ring, and means are provided for applying upstream pressure to the base and upstream side of the ring to urge it into sealing contact with the valve member when the latter is in a closed position. Fig. 2 shows the seating ring 76 held in a groove in a butterfly valve casing housing a valve member 19 bolted to spindles 22, 23 journalled in the casing. The valve is actuated by a lever 46 splined to the upper spindle 22 and having a spring-loaded detent plunger 53 which engages a serrated edge 52 of a plate 51, Fig. 6, secured to the casing, a screw 60 enabling the valve to be locked in any actuated -position between end positions set by stops 57, 59 on the plate 57 being engaged respectively by lug 56 or a shoulder 58 on the lever 46. In the valve open position the seating ring 76 only engages the lips 83, 84 of the groove 74 and the base of the groove adjacent its apices and its apex 79 projects beyond the groove, but in the valve closed position, Fig. 4, upstream pressure acting through passages 90 or 91 forces the ring to one side of the groove and the apex 79 into close sealing contact with the valve member, also additional force is supplied by upstream pressure being admitted through non-return valves (not shown) to the underside of the sealing ring at 92. Specification 662,448 is referred to.
Patent GB-687119-A (GB)
Title: Flanged bobbin with protected edge
Inventor: BLISS JEROME JOHNATHAN
IPC: B65H75/14
Filed: 1950-10-25
Abstract: 687,119. Bobbins. ACROMETAL PRODUCTS Inc. Oct. 25, 1950, No. 26058/50. Class 120(iii) A bobbin has a metal barrel portion and end flanges to each of which is secured a head of tough non-metallic material, e.g. plastic material such as a phenol-formaldehyde resin, nylon, capable of being formed to provide a smooth edge incapableof being readily nicked, dented, cut or otherwise marred, a circumferential portion of the head overlying the edge of the flange and lying flush with the inner surface thereof. The bobbin shown in Fig. 3 comprises drum members A of metal, e.g. aluminium sheet or an aluminium alloy, each shaped to a barrel portion 10 and an integral flange 11, and heads B and C each having a portion 12, fitting into and thereby strengthening a portion 10, a recess 13 accommodating a flange 11, and a smoothly-rounded part 14. The heads are secured to the member A as by a synthetic resin adhesive and the barrels are positioned and joined by means of a collar D, flanged at 19, which is bonded thereto as by adhesive 20 or by welding: the head B is provided with a spindle-receiving aperture 16 and radial key receiving recesses 17. and the head C has a countersunk spindle-receiving opening 18. The bobbin illustrated in Fig. 7 comprises drum members E. heads F, and a joining collar I, similar in form and function to A, B and C, D described above. Each head F accommodates a nylon gudgeon G sprung into an opening 27 and rabbeted to receive one end of a tubular strut H in which a spindle may be received. In making the bobbins the drum members may be anodized prior to assembly, in which case the collars may be of nylon and the flanges burnished or sanded off flush with the barrel: if the members are not anodized the collars may be of metal and the flanges machined to size after the bobbin assembly.
Patent GB-1003583-A (GB)
Title: Transistorised input circuit for radio receivers
IPC: H03G11/02
Filed: 1962-07-06
Abstract: 1,003,583. Transistor amplifying circuits for radio reception. STANDARD TELEPHONE & CABLES Ltd. July 6, 1962 [July 6, 1961], No. 26060/62. Heading H3T. The input circuit for a radio receiver comprises a band-pass filter through which received signals are applied to the input electrode of an amplifying transistor 9 the output of which is coupled to a mixer circuit 12 comprising a ring modulator, overload protection being effected by a first diode 5 connected in parallel with the band-pass filter and a second diode 10 connected between emitter and base of the amplifying transistor. Diode 5 is returned to a tapping point, by-passed by capacitor 6, on a potentiometer chain 7, 8. The circuit is designed for use where a local transmitter interferes with reception from more distant stations.
Patent GB-668430-A (GB)
Title: Improvements in or relating to circuit arrangements for generating impulse patterns
Inventor: DAVISON ALAN
IPC: H03K3/04
Filed: 1949-10-11
Abstract: 668,430. Automatic telephone exchange equipment. AUTOMATIC TELEPHONE & ELECTRIC CO., Ltd. Sept. 19, 1950 [Oct. 11, 1949], No. 26070/49. Class 40 (iv). [Also in Group XL (c)] An impulse pattern is generated at a given recurrence frequency by means of a first multivibrator operating at the given frequency which controls a second multivibrator, operating at a higher frequency, by means of a D.C. circuit; synchronization between the two multivibrators being effected by an A.C. circuit. The Figure shows an impulse generator suitable for use as a ringing current generator in a telephone exchange in which multivibrator MVC operates symmetrically with a frequency of 16<SP>2</SP>/ 3  c/s.; multivibrator MVB asymmetrically with valves VC and VD being conducting for periods of 0.4 and 0.2 seconds respectively and multivibrator MVA asymmetrically with valves VA and VB conductive for periods of 1 and 2 seconds respectively. When valve VB is conducting current flow through resistor R5 renders valve VC non-conducting and when valve VD is conducting, valve VE is similarly cut-off. Thus the output across resistor R12 consists of a 16<SP>2</SP>/ 3  c/s. signal following the cycle 0.4 seconds on; 0.2 seconds off; 0.4 seconds on; 2 seconds off &c. This periodicity is maintained by coupling the anode of valve VC to the grid circuit of valve VB via capacitor C3 so that the multivibrators MVA and MVB are interlocked. Each time that valve VC is cutoff its rising anode potential is applied to the grid of valve VB and at the same time its cathode potential is reduced since no current flows in resistor R5; the first positive pulse is applied to the grid of valve VB 0.4 seconds after it has received a much longer negative pulse from the anode of valve VA so that the valve is not rendered conducting. The negative pulse received from the anode of valve VC 0.2 seconds later when valve VC starts to conduct, neutralizes the effect of the first positive pulse. The second positive pulse received from valve VD together with the fall in the cathode potential of valve VB due to the cessation of current flow in resistor R5 renders valve VB conductive. In order to eliminate the possibility of valve VB being triggered through its common cathode circuit with valve VC, valve VB is arranged to pass a considerably larger current than valve VC when both are in their conductive condition. The output from resistor R12 is applied directly to a buffer amplifier VH and through phase changing networks PCA, PCB to amplifier VK and VM respectvely so that the outputs 13, 14, 15 from the class C power amplifier stages VG, VJ and VL have 120 degrees phase shift between them. The multivibrator MVC may be replaced for example by an RC oscillator which operates continuously but the output from which passes through an amplifier which is keyed on and off by the voltage developed across resistor R12.