baber/WOPTO huggingface dataset:
Patent GB-904215-A (GB)
Title: Control means for machines which are dependent on the machine loading
IPC: F16H61/02
Filed: 1958-09-04
Abstract: 904,215. Change-speed and clutch control. TEWES, O. Sept. 4, 1958, No. 28494/58. Class 80 (2). [Also in Group XXX] A torque-reaction linear control, applicable, for example, to clutches or change-speed gearing, comprises a pulley secured to the rotatable torque-reactive member, and a cable or the equivalent, one end of which is secured to the pulley, while the other end is resiliently attached to a fixed point or to a movable control element. In the arrangement according to Fig. 1 for regulating the pressure between the plates of a disc clutch 11 in accordance with the torque of the driving electric motor 1, the pulley cable is connected to a fixed spring 5 and the rotary movement of the motor housing and pulley 4 under the reaction torque is effective through cam members 6, 7, rods 9, and a spring 10 to regulate the loading of the clutch discs. In the embodiment according to Fig. 2 a resilientlymounted vehicle engine casing carries a disc 16 with a cam projection 17 which, as the casing tilts under the reaction torque, operates the clutch through push-rods and linkwork 18, 19, 21. A similar arrangement may be used for automatic adjustment of the change-speed gear.
Patent GB-1348228-A (GB)
Title: Power-operated pedestal table and safety clutch therefor
Inventor: YINDRA L J
IPC: A47B13/02
Filed: 1972-06-19
Abstract: 1348228 Power-operated pedestal tables AMERICAN HOSPITAL SUPPLY CORP 19 June 1972 [26 July 1971] 28504/72 Heading A4H A power-operated pedestal table comprises a base 11, an angularly adjustable table top (13) and a column 12 extending between the base and top, the column being hollow and including upper and lower telescoping sections 12a, 12b, a reversible electric motor 17 mounted in lower section 12b and operatively connected to a screw shaft 19 extending into the upper section 12a, and a safety one-way clutch assembly mounted in said upper section 12a, said assembly including a horizontal plate 24 secured to the upper section 12a and having an opening (27) through which shaft 19 extends, and a nut 29 threadedly carried by the shaft beneath the plate, the plate providing a non-circular recess 28 on its underside normally receiving the nut and restraining rotation thereof on rotation of the shaft, the nut being withdrawn from the recess until it is free to rotate with the shaft by continued rotation of the shaft in a direction for lowering the top when downward movement of the top is blocked by an obstruction thereby releasing the top against further downward movement until the obstacle is removed. Nut 29 has an upper guide sleeve 30 and is urged upwardly into recess 28 by a helical compression spring 34 via an anti-friction thrust bearing 31 and a thrust plate 32. Plate 32 may be replaced by a sleeve on nut 29. Motor 17 is operated by pedals 15, (16) and is connected to shaft 19 by pulleys 21-22 and belt 23 or gears or chain and sprockets.
Patent GB-1194309-A (GB)
Title: Methylene-bis-(Phenylsulphide)-4-Arylsulphonic Acid Esters
Inventor: SIRRENBERG WILHELM
IPC: A01N/
Filed: 1969-06-05
Abstract: 1,194,309. Acaricides containing sulphonic acid esters. FARBENFABRIKEN BAYER A.G. 5 June, 1969 [5 July, 1968], No. 28556/69. Heading A5E. [Also in Division C2] An acaricidal composition contains as active ingredient a methylene-bis-(phenylsulphide)-4- arylsulphonic acid ester of the formula wherein R is H, halogen or alkyl; R<SP>1</SP> is halogen or alkyl and n is 0, 1, 2, 3, 4 or 5; in admixture with a solid diluent or carrier or in admixture with a liquid diluent or carrier containing a surface active agent. Conventional diluents, carriers, emulsifying or dispersing agents are specified. An Example is given in which a composition is applied to bean plants infested with spider mites.
Patent GB-1274305-A (GB)
Title: Improvements in or relating to forming a pattern in a layer of synthetic material
IPC: G03F1/00
Filed: 1969-06-05
Abstract: 1,274,305. Cutting; heated cutter for plastics. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 5 June, 1969 [8 June, 1968], No. 28563/69. Headings B4B and B5A. In producing a pattern in a multilayer plate 1, 3, e.g. for cutting out portions of an outer synthetic foil 3 in photomask production, at least that portion 39 of a cutting tool entering the foil 3 is substantially circular in section in planes parallel to the foil area being cut, the foil 3 being heated during cutting by an external source 45 close to the cutting point. A diamond cutting tips brazed to a copper part 37 and heated by electric means 45-53 may project through an apertured guide foot 21 of a holder 19. A ceramic tube 35 connects the tool to an axially adjustable pin 29 and hence to a vertical shaft (57), Fig. 4 (not shown), supported at the centres of diaphragms (59), (61) of a coaxial housing (63), in turn supported in an arm (65) of a numerically controlled drawing machine. Alternatively, the heat source may comprise ultrasonic means.
Patent GB-1060224-A (GB)
Title: Preparation of crystalline aluminosilicates
IPC: B01J29/84
Filed: 1964-07-10
Abstract: Crystalline aluminosilicate is formed by reacting silicate ions, in aqueous alkaline medium, with hydroxyaluminate ions which are in concentration equilibrium with aluminium-containing complex anions. The complex anion is preferably a complex of aluminium with phosphate, the phosphate being supplied to the reaction mixture as trisodium and/or disodium hydrogen phosphate, tripotassium phosphate or tri-(tetraalkylammonium) phosphate, the preferred alkyl group being methyl.  The reaction mixture also comprises a source of silica, for example silica sol, silica gel, silicic acid or sodium silicate, and a source of alumina, for example activated, gamma or alpha alumina, alumina trihydrate, sodium aluminate or aluminium phosphate, the last-mentioned compound when used also supplying part of the necessary phosphate.  The reaction mixture may also comprise sodium hydroxide to aid in pH regulation and to provide the cation necessary for electrovalence balance in the aluminosilicate product. The reaction preferably is carried out in the presence of preformed seed crystals of the desired product at a temperature of from 80 DEG to 125 DEG  C. and at a pH of from 9 to 13, a pH of 11 being optimum for the formation of a product having a faujasite crystal structure. Aluminosilicate product having a faujasite crystal structure is obtained from a reaction mixture formed from AlPO4, Na3PO4.12H2O and sodium metasilicate in Examples 1, 5, 6 and 7; from AlPO4, Na3PO4.12H4O, Na2HPO4.7H2O and sodium metasilicate in Example 2; and from sodium aluminate, Na2HPO4.7H2O and sodium metasilicate in Examples 3 and 4. Aluminosilicate product having a chabazitegmelinite crystal structure is obtained from a reaction mixture formed from AlPO4, Na3PO4.12H2O Na3PO4.12H2O and colloidal silica in Example 11. Alternatively, the complex anion may be a complex of aluminium with arsenate, tartrate, citrate, phytate, ethylenediaminetetraacetate, sulphate or perchlorate; the reaction mixture comprises sodium aluminate, Na2HAsO4.7H2O and sodium metasilicate in Example 9, and sodium aluminate, sodium hydrogen tartrate monohydrate and sodium silicate in Example 10, aluminosilicates of faujasite crystal structure being obtained.
Patent GB-755805-A (GB)
Title: A machine for hemming web material
IPC: D05B29/06
Filed: 1954-10-05
Abstract: 755,805. Sewing-machines. FIELDCREST MILLS, Inc. Oct. 5, 1954 [Oct. 21, 1953], No. 28622/54. Class 112. Relates to modifications in the machine for making large articles such as bed-sheets described in Specification 756,818. Feeding long lengths.-Instead of using only an idle presser-belt above each of the conveyer belts supporting the hems of the sheet, these presser-belts are driven by the same means as the conveyer belts, and additional driven presserbelts are provided to engage the sheet adjacent to the hems, over the conveyer belts next to those carrying the hems, to ensure that the body of the sheet does not lag behind the hems. The upper run of each presser-belt passes over an intermediate pulley and under pulleys on either side of that pulley, one of the latter pulleys for the inner belts being adjustable vertically for varying the tension of the belt and the corresponding pulley for each of the outer belts being carried on a spring-urged arm so that these belts can resiliently accommodate variations in thickness of the hems. The pulley 744 at the forward end of each of the outer presser-belts 720 is opposite and close to the needle of the sewing-machine 540 at that side of the machine, so provision is made for its retraction to allow access to the needle and mechanism of the machine, by mounting the forward roller 744 carrying the belt 720 on a bar 747 which is slidable in a support 485 and is formed with rack teeth engaging a pinion 750 on a spindle provided with an operating handle; the handle is held in the normal position by a spring latch. Work guides.-In place of the presser-foot of the machine an extension 796 of the upper member of the hem-folding device 511 is provided to prevent the work from being lifted by the needle. This extension has a hole for the passage of the needle and a depending lip 798 to guide the fold of the hem. To prevent distortion of the work owing to the layers of the hem being retarded in relation to the body of the sheet by the needle being in engagement with these layers for a longer period at each stroke, while the conveyer belts move continuously, a work-retarding device is provided, comprising an element 804 engaging the sheet adjacent to the hem and the member 796. This element is formed on an arm 801 pivoted to a bracket 803 and pressed downwards by a leaf-spring which is carried by the bracket 803 and adjusted by a screw 806; the arm 801 is lifted by a solenoid 811, controlled by a cam-actuated switch, during the first few stitches on the hem. U.S.A. Specifications 1,662,654 and 2,509,443 also are referred to.
Patent GB-617298-A (GB)
Title: Improvements in or relating to ladies handbags and the like
IPC: A45C3/06
Filed: 1946-09-25
Abstract: 617,298. Handbags. LEVY, M., and WEBB, C. Sept. 25, 1946, No. 28630. [Class 133] To prevent the lining of a handbag adjacent to the mouth from becoming worn, it is formed of leather, imitation leather, or the like 1 and is attached at its lower edge to the usual silk or other fabric lining 3 ; the upper edge is clamped in the frame 2. The edges of any pocket, partitions, pouches, or the like are also formed of .leather &c.
Patent GB-715142-A (GB)
Title: Improvements in belts for cable conveyors
IPC: B65G15/36
Filed: 1951-12-06
Abstract: 715,142. Endless-belt conveyers. BRITISH TYRE & RUBBER CO., Ltd:. and DEAVES, S. G. Dec. 8, 1952 [Dec. 6, 1951], No. 28654/51. Class 78 (1) In a belt conveyer of the kind in which the belt is both supported and driven by cables travelling with the belt one at each side, the belt serving only as a carrying surface, a reinforcement of cord, fabric, wire or the like extends in the lateral direction of the belt and cable-engaging means are attached to each side of the belt, the belt itself providing the lateral strength between the cable engaging means. As shown in Fig. 1, the belt is of rubber reinforced by a single layer 10 of wire gauze having selvedged side edges, and cable engaging hooks 16 are secured at short intervals along the belt by rivets 14. In a modification, Fig. 3, the hooks are secured to the gauze before the application of the rubber coating layers by rivets 18 and plates 19. In Fig. 4 there are two layers of gauze with a rubber layer between, the hooks 16 being vulcanized in the rubber between the two layers of gauze. The belt may be reinforced by multi-strand wires extending crosswise of the belt, the wires being held during manufacture by coarse textile threads extending lengthwise of the belt. The belt may be further reinforced by a ply or plies of 'woven textile fabric on one or both faces of the wire gauze or wires.
Patent GB-697581-A (GB)
Title: Improvements in cathode sleeves for electron tubes
IPC: H01J1/26
Filed: 1951-12-06
Abstract: 697,581. Thermionic valves. RADIO CORPORATION OF AMERICA. Dec..' 6, 1951 [Dec. 8, 1950], No. 28660/51. Class 39(i) The sleeve of an indirectly heated cathode for an electron tube has a tapered end 12, Fig. 1. The wider opening thus obtained facilitates the insertion of the heater. Insertion of the sleeve into the centring hole 18 of a mica plate 16 is also facilitated, and enables a tighter fit to be obtained, reducing microphony effects. The pointed end 15 also forms a stiff integral tab for a lead connection. A locating embossment 19 is provided on the sleeve. In Fig. 5 the taper is formed by a helical edge to the sleeve. The sleeve is made by rolling up a suitably shaped piece of metal sheet, Figs. 4 (not shown) and 7 (not shown).
Patent GB-1157180-A (GB)
Title: Miniature Incandescent Lamps and methods of making the same
Inventor: BELKNAP DONALD JULIUS
IPC: H01K3/00
Filed: 1967-06-21
Abstract: 1,157,180. Glass-metal seals. D. J. BELKNAP. 21 June, 1967 [8 July, 1966], No 28690/67. Heading C1M. [Also in Division H1]. An incandescent lamp, Fig. 2, comprises a tubular envelope 10 having a main section 14 made of soft or hard glass or ceramic material and a pair of conductive end sections 16, 18, e.g. of Pt, Fe-Ni alloy, Ni or Al, sealed to the main section and of sufficient diameter for the filament 12 e.g. of W to be inserted therethrough, the extremities 20, 22 of the filament being gripped by cold-weld vacuumtight pinch-offs formed in the end sections. Various methods are described for improving the electrical contact between the end sections and the filament, including providing larger diameter leads for the filament, forming indentations in the end sections between the pinchoffs and the regions at which they are sealed to the main section to grip the filament extremities, and providing an additional metal collar over each end section in the region of the pinch-off. In one method of producing the lamps a series of coiled filaments connected by straight sections of wire is constructed and envelopes, either separate or with successive main sections joined to common intermediate conductive sections, are threaded over the string of filaments, pinch-offs then being formed at one end of each envelope. The envelope-filament assemblies can then be evacuated or gas filled and completely sealed. An automatic machine for making the lamp is shown in Figure 17, and comprises a mounting block 46 consisting of metal plates 48, 52 separated by a rubber layer 50 and formed with a plurality of receptacles 60 for envelopes 10. A filament 12 is inserted into each envelope from above, if necessary with the aid of a thin-walled guide tube inserted from below, the nipple 66 of a vacuum manifold is applied to the lower end of the envelope, and pressure is applied between the plate 48, 52 to compress the rubber layer 50 thus forming a vacuum-tight seal. The upper end section is then indented and pinched-off by jaws 70 while the envelope is being flushed with argon or nitrogen and if necessary baked, and the envelope is evacuated or gas filled through the lower end section. The filament may be flashed before finally pinching-off the lower end section. The block 46 can be moved along in steps to several work stations at which the various operations are performed on the lamps.
Patent GB-1138912-A (GB)
Title: Solid state display with electronic drive circuitry
IPC: H05B33/12
Filed: 1966-06-27
Abstract: 1,138,912. A/D converters; electronic counters. BENDIX CORP. 27 June, 1966 [28 June, 1965; 21 March, 1966], No. 28745/66. Headings G4A and G4H. [Also in Division C4] The control circuitry of an electroluminescent panel for displaying the value of a measured parameter includes an analogue/digital converter consisting of a comparator, drive circuitry, driven and summation networks which energize either in succession or in groups, two families of electroluminescent strips constituting the coarse and fine control respectively, until, by comparison of the magnitude signal representing said measured parameter with the sum signal corresponding to the number of energized electroluminescent display segments, the display corresponding to the measured value obtained. The D.C. analogue signal from the condition sensor is directed to an error detector such as a single transistor comparator whose A.C. output amplitude and phase depends on which of two signals dominates, i.e. the D.C. analogue signal or the feedback signal through the summation network representing the number of energized electroluminescent display segments. This signal is transmitted to the control circuit comprising pre-amp and phase discriminator, reference voltage switching and clearance circuits and to coarse and fine driven networks each of the latter consisting of a step integrator and memory section, Fig. 7, comprising a plurality of similar circuits utilizing S.C.R.s, NPN transistors and Zener diodes, each circuit being connected to its respective electroluminescent strip and the circuits together constituting a ring counter of the cumulative type having a radix of eleven in which input signals are applied alternately to odd-even segments of the counter. Multiplexing techniques are employed.
Patent GB-1034347-A (GB)
Title: Improvements in vehicle suspensions
IPC: F16F6/00
Filed: 1964-07-13
Abstract: 1,034,347. Shock absorbers. G. NAVARRO. July 13, 1964 [July 25, 1963], No. 28823/64. Heading F2S. [Also in Division B7] To limit rolling of a motor vehicle when negotiating a curve one or more of the shock absorbers connecting the sprung and unsprung parts of the vehicle includes an electromagnetic brake applied by a centrifugal switch to prevent relative displacement between the shock absorber cylinder 1 and piston 2. An annular series of electromagnets 4 separated by compressible plastic plates 6 are fixed axially but displaceable radially in an aluminium housing 3a forming part of a cover 3. When the windings 5 of the electromagnets are energized the polepieces 4a, 4b are applied against the cylinder 1 which is formed of ferromagnetic material. The centrifugal switch may be actuated by a pendulum or by mercury in a V- or U- tube containing contacts for completing a circuit from a battery to the windings 5 through an indicator lamp. In another embodiment (Figs. 1 and 2, not shown) a stirrup pivotally connected to the vehicle frame together with the shock absorber piston carries electromagnetic jaws embracing the shock absorber cylinder.
Patent GB-425703-A (GB)
Title: Improvements in or relating to electrolytic cells
IPC: C25B9/17
Filed: 1933-10-20
Abstract: 425,703. Electrolytic cells. EVANS, D. J., Glen Cairn, Old Hadlow Road, Tonbridge, Kent. Oct. 20, 1933, No. 29078. [Class 41] A cell for the chlorination of drinking water or for the production of bleaching liquor or disinfectants and germicides, such as chloramine, comprises a closed integral vessel 10 of insulating material containing spaced vertical carbon electrode plates 14 having perforations 26 alternately at the top and bottom whereby the electrolyte flows through the cell in a sinuous path. The electrodes are mounted in grooves at the sides of the cell. Successive electrodes of one polarity are separated by spaces 19 each having a groove 22 in which the free end of the intermediate electrode of opposite polarity is housed; the spacers have grooves on their outer sides for the reception of connecting members 16 to which the electrodes are connected by screws 30, and are provided with tenons entering the side grooves of the cell. The connectors 16 are formed with terminal posts 32 passing through bosses in the bottom of the cell and in the detachable cover 17 respectively. Electrolyte is supplied from a reservoir 41, shown in part, through a valve 44 interconnected with the operating switch and leaves by a spout 48. The apparatus is enclosed in a casing 45 and mounted on a panel P. In a modification a number of bi-polar electrodes are mounted with intervening rubber washers between end electrodes in a vessel of circular section or in a vessel of rectangular section provided with a lid. In the latter form the electrodes may be positioned in grooves with or without the use of washers. The electric connections to the end electrodes may be of the kind described in Specification 390,647.
Patent GB-504463-A (GB)
Title: Improvements in or relating to shuttles for circular looms
IPC: D03D37/00
Filed: 1937-10-25
Abstract: 504,463. Circular loom shuttles. HARDY, F. S. Oct. 25, 1937, No. 29103. [Classes 142 (ii) and 142 (iii)] A flat spool or cheese is held in a circular loom shuttle by at least three catches 16, 14 behind which the flange 12 is slid, bent pins 20, 21 on a flat spring 18 urging the flange behind the catches 14. The shuttle body has upper plates 7, 8 connected by a rear plate 11 furnished with hook catches 14, and a bent front plate 10 carrying a pin forming the catch 16. The pins 20, 21 pass through slots 22 in the plate 10 and are bent at 23. The shuttle has a warp protector and a lower part, not shown in the Figures, furnished with shuttle positioning rollers, and a plate terminating in a bent-up edge with alternative weft eyes. The Provisional Specification refers to Specification 413,376, and describes an arrangement wherein two catches are mounted on a leaf spring and urge the spool flange rearwardly into engagement with a fixed catch.
Patent GB-415600-A (GB)
Title: Improved seed-drill or cultivating apparatus
IPC: A01C7/20
Filed: 1933-10-20
Abstract: 415,600. Implements for working land ; distributers for seeds. CHARLEY, N. G., Madras Agricultural Department, Lawley Road, Coimbatore, Madras, India. Oct. 20, 1933, No. 29104. [Class 6 (i).] A seed drill or cultivating apparatus comprises a two-wheeled carriage provided with a tiltable upwardly-directed frame carrying furrow-openers 9, levelling boards, or cultivating tools, and with a strut 13 or the like detachably connected at one end to the upper part of the tiltable frame and hinged at the other end to the draw-bar or draught frame of the carriage, for the purpose of setting or holding the furrow-openers &c. in the ground and allowing of raising them to facilitate transport. The axle 5 passes through bearing blocks 4 on the tiltable frame 1 and the furrow-openers 9 or cultivating tools are bolted to a cross-bar 7 adjustably connected to the frame 1 by a stirrup bolt 8. The draught frame 11 is pivoted on the bearing blocks 4 and carries a cross-bar 12 to which a draught pole 10 is connected. The strut 13 is adjustably connected between two plates 14 on the draught frame by a removable pin. It is also connected by a removable pin to the upper part of the frame 1 which carries a seed distributer 15 provided with seed tubes 16 and operable by hand or by gearing. For transport the upper end of the strut is detached from the frame 1 and turned down on to the draught pole 10 and the frame 1 is turned down on the draught frame 11, thus raising the furrow-openers 9.