baber/WOPTO huggingface dataset:
Patent GB-716422-A (GB)
Title: Synthetic foam-like body and methods of manufacturing the same
IPC: C11D17/04
Filed: 1950-09-18
Abstract: Foams useful for cleansing purposes, e.g. as sponge substitutes, are made by reacting at 20-150 DEG C., with or without a swelling agent, a polyisocyanate with a mixture of two or more polyesters proportioned to give the desired degree of hardness and flexibility in the foam, one of the polyesters, conducive to hardness, being a branched polyester A derived from 2.5 mols. adipic acid, 0.5 mols phthalic acid and 4 mols trihydric alcohol (e.g. glycerol) and another, conducive to softness being a branched polyester B derived from 3 mols adipic acid, 1 mol trihydric alcohol and 3 mols of 1.3 butylene glycol.  The hardness of the foam is also affected by the quantity of polyisocyanate used and the presence of plasticisers such as dibutyl phthalate. Fillers, such as kieselguhr, siliceous chalk, wood flour and ceramic materials, and pigments may be added.  The cleansing effect may be increased by the presence of alkaline reacting cleansers, sharp sand, emery and carborundum.  Foams of differing hardness on opposed surfaces may be made.  In examples: (1) 25 parts polyester A, 75 parts polyester B, 1 part water, 0.1 parts of hexahydro-dimethylaniline (accelerator), 10 parts chalk and 10 parts of hardened foam sawdust are mixed, 55 parts tolylene diisocyanate added and the mix hardened in a mould for 1-1 1/2 hours at room temperature to give a foam suitable as a hand cleaner.  (2) similar to (1) but using 45 parts diisocyanate, giving a softer product.  (3) 20 parts polyester A, 40 parts polyester B, 40 parts polyester from adipic acid and a trihydric alcohol, 1 part water, 0.1 part accelerator and 50 parts toluylene diisocyanate, giving a foam of great flexibility and softness due to the increase in adipic acid based polyester.  (4) Similar to (1) but with 10 parts ammonium bicarbonate as swelling agent to give a foam of very low specific gravity.  (5) The constituents of example (1) other than the diisocyanate are mixed at 50-60 DEG C., filled into a mould and the diisocyanate added. After vibration for 30-60 seconds at a frequency of 50-100 c.p.s. or at supersonic frequency and with an amplitude of 5-40 m.m the material foams and hardens.
Patent GB-429716-A (GB)
Title: Improvements in or relating to electrical condensers
IPC: H01G4/22
Filed: 1934-08-08
Abstract: 429,716. Condensers. DUBILIER CONDENSER CO. (1925), Ltd., Victoria Road, North Acton, London.-(Assignees of Katzman, J.; 1838, Bay Ridge Avenue, Brooklyn, New York, U.S.A.) Aug. 8, 1934, No. 22912. Convention date, Aug. 8, 1933. Drawings to Specification. [Class 38 (ii)] [See also Group XXXVI] An impregnated condenser is made with foil electrodes not exceeding 1 inch in thickness and preferably of the order of À25 inch thick, each stiffened with a layer, for example of paper, on each surface, the stiffening layers of each electrode being separated by a layer of more porous material such as fabric. Specification 416,896, [Group XXXVI], is referred to.
Patent GB-296344-A (GB)
Title: Improvements in or relating to the treatment of fabrics or other materials or articles made from combustible material
IPC: D06M11/70
Filed: 1928-08-10
Abstract: 296,344. British Celanese, Ltd., (Assignees of Platt, H., and Dreyfus, C.). Aug. 20, 1927, [Convention date]. Fircproofing; proofing-compositions.-Combustible materials such as yarns, fabrics, paper. wood, &c., particularly yarns and fabrics made from cellulose derivatives, are flame-proofed or fireproofed by treatment with solutions, pastes or preparations comprising phosphoric acids, arsenic acids or stibinic acids. Other fireproofiing agents such as aluminium acetate may be present in the solution or preparation, which may also contain dyestuffs. For example, cellulose acetate fabric may be treated with a solution containing 50 to 150 grams of phosphoric acid per litre of water, at a temperature of from 15 C. to 60 C., for about 15 minutes, and then rinsed and dried. Or the fabric may be soaked in an aqueous solution containing 100 grams of phosphoric acid and 10 grains of basic aluminium acetate per litre at 40 C. for one hour. The solution may be applied by brushing or spraying, or the fireproofing reagents may be applied in the form of a paste. Paper, wood or fabrics and yarns of animal or vegetable fibres may be similarly treated. The Specification as open to inspection under Sect. 91 (3) (a) states that acid phosphates may also be used. This subject-matter does not appear in the Specification as accepted.
Patent GB-1143983-A (GB)
Title: Composite filaments and manufacture thereof
Inventor: YOKOTA TANEHIDE
IPC: D01F8/12
Filed: 1967-05-18
Abstract: 1,143,983. Crimped composite fibres. TOYO BOSEKI K.K. 18 May, 1967, No. 23158/67. Heading B5B. A crimped composite filament having a degree of shrinkage (defined) of not less than 5 x 10<SP>-2</SP>, is produced by melt spinning polycaprolactam of average molecular weight 8,000 to 30,000, and a copolymer of average molecular weight 8,000 to 30,000, and substantially consisting of 95 to 80% by weight of #-caprolactam and 5 to 20% by weight of m-xylylene diamine adipate or its mixture with pxylylene diamine adipate, drawing the resulting crimpable filament in its longitudinal direction, and heating the resultant filament under relaxed or partially relaxed conditions. Preferably the weight ratio of the polymer components is approximately 50 : 50. The drawing temperature preferably lies between room temperature and 150‹ C. and the temperature of the heating medium between 80 and 200‹ C. The heating may be effected using hot air, steam, or boiling water.
Patent GB-1454267-A (GB)
Title: Calculator
IPC: G06Q40/00
Filed: 1973-10-30
Abstract: 1454267 Calculators HEWLETT PACKARD CO 30 Oct 1973 [30 Oct 1972] 23163/76 Divided out of 1454266 Heading G4A The description is identical to that of Specication 1,454,266 from which this application is divided that the claims relate to a calculator for calculating the yield to maturity of a bond having a bond price and coupon rate. The algorithm for performing the calculation is set out in Fig. 34, and is performed in response to maturity or purchase date being keyed in and the save key operated, the remaining date being keyed in and the DAY key being pressed, the coupon rate C being keyed in as a per cent and the PMT key operated, the bond price P being keyed in and the PV key operated and the command key and YTM key then being operated so that the bond yield is displayed.
Patent GB-393800-A (GB)
Title: Improved device for securing screw stoppers to bottles and the like
IPC: B65D55/16
Filed: 1932-08-19
Abstract: 393,800. Screw-stoppers. REES, D. F., Belmont House, Pensarn, Carmarthen. Aug. 19, 1932, No. 23232. [Class 125 (iii).] A device for securing screwstoppers to bottles &c. comprises a ring member 1 which is free to slide nearly the full length of and to rotate around the neck of the bottles &c. and which has two integrally-formed diametrically opposite circular loops 3 adapted to receive, loosely, circular loops 6 which are formed at the ends of a stirrup 4, the centre portion of which passes diametrically through the stopper head 5.
Patent GB-1111072-A (GB)
Title: System for the optical,automatic and autonomous guiding of self-rotating missiles
IPC: F41G7/22
Filed: 1965-06-01
Abstract: 1,111,072. Photo-electric direction finders. SOC ANON. DE TELECOMMUNICATIONS. 1 June, 1965 [4 June, 1964], No. 23262/65. Heading H4D.. [Also in Division G3] In a system for automatically steering a rotating missile towards a target, optical radiation from the target is passed through a modulator, moved in dependence on rotation of the missile and having alternate transparent and opaque sectors, to a photocell associated with a frequency discriminator producing a signal, representative of course error, which is utilized to control a single missile control surface. As described, a lens in the nose of a continuously rotating surface to-surface missile projects infra-red or ultra-violet light from the target through a modulator disc on to a photocell the output of which controls a rudder deflecting a propulsion jet at the rear of the missile to maintain the missile directed towards the target. The modulator disc consists of alternate transparent and opaque sectors the width of which vary in the sinusoidal manner around the disc so that the position of the image, and hence the direction of the force which must be applied relative to the missile at any time to correct its course, is identified by the frequency of the frequency-modulated signal obtained from the photocell. This signal, which is subject to amplification, filtering, frequency discrimination, and limitation, controls periodic operation of the rudder during rotation of the missile. The control signal is a square-wave signal producing a fixed deflection in one or both senses for a fixed period during each revolution of the missile. Alternatively, by using a modulator disc in which the sectors are also divided into annular rings of progressively increasing frequency the control signal may be made to correspond to the magnitude as well as direction of the error. In this case the duration of the rudder deflection in one or both senses is then arranged to be proportional to the magnitude of the error at the time of deflection. Other arrangements are described in which the control signal is compensated if the direction of travel of the missile does not coincide with its longitudinal axis. For this purpose a gyro produces a signal, representing the difference between the two directions, which is added to the control signal. The compensating signal, or one corresponding to it, is also applied to control the rudder to ensure that the flight attitude is maintained. Modifications are also described in which the modulator disc, instead of having sectors of varying width and being fixed in the missile, has sectors of constant width and is moved periodically by a gyro in dependence on rotation of the missile to produce the frequency modulation. In these oases the projection lens in the nose of the missile is offset from the missile axis.
Patent GB-406333-A (GB)
Title: Improvements in or relating to thermally actuated apparatus
IPC: H01H71/20
Filed: 1932-08-19
Abstract: 406,333. Automatic circuit-breakers. BULLEN, A. G., 29, Newstead Road, Sefton Park, Liverpool. Aug. 19, 1932, No. 23268. [Class 38 (v).] A thermally-actuated apparatus comprises a container provided with a wax substance, a resilient member connected within the container and embedded in the wax, mechanical means actuated on relative movement taking place between the container and resilient member on the softening of the wax, the member automatically restormg the relative position of the container and itself while the wax is still soft, and means for setting or releasing the apparatus when the wax is solid without altering the relative position of the container and resilient member. Wax is defined as any fusible substance which hardens or softens as the amount of heat applied or extracted varies. The invention may be used as a temperature alarm, for instance, in the bearings of machinery, where air, oil or water flow may cease. Fig. 1 shows the application to tripping the switch of a three-phase circuit. The wax containers 6 are connected in the outers of the lines A, B, C feeding the motor 4 and each contains a helical spring 8 secured at the foot to the container and at the top to a contact-carrying lever 9, pivoted between a stop 11 and a plunger 10 urged upwards by a spring 12. A lever 13 carries at the upper end a contact which engages that 9<a> on the lever 9, and a spring 14 pushes on the lever 13 to urge the contact thereon past that 9<a>, which action is resisted by the spring 7 co-operating with the solid wax in the containers. The button 9<c> can be moved to the right to depress the lever 9 by compressing the spring-plunger 10, 12, so opening the circuit of the hold-on coil 5. Opening under overload conditions is effected by the wax softening or melting so that spring 14 overcomes spring 7 and 13 moves to the "off" position as shown at the phase C. The wax may be melted either by excess current in the springs 7 which are in series with 5, or by excess current in the lines (due to single-phasing, for instance) causing the container to get overheated. In Fig. 2, a conducting ball 18 is mounted on a disc 19 urged into the position shown by a spring 16 in solid wax. An arm 20 pivoted to a spring member 21 is held in the position shown until the wax softens whereupon spring 23 becomes strong enough to pull 20 past 18 and compress 16, which however returns 18 immediately. In closing, 22 pulls 20 past 18, the spring member 21 yielding to allow this. The Specification describes and illustrates other forms the invention may assume, including the use of a strip spring, and a three-phase switch in which an overload in one phase causes simultaneous opening of all phases. Specification 378,556 is referred to.
Patent GB-229218-A (GB)
Title: Trimming mechanism for sewing machines
IPC: D05B37/04
Filed: 1924-10-02
Abstract: 229,218. Fairweather, W., (Singer Manufacturing Co.). Oct. 2, 1924. Trimming.-In a continuous-feed sewing- machine the reciprocating needle and trimmer bars both slide in a frame vibrating in the line of feed, so that the work and the said bars are relatively stationary during stitching and cutting. A trimmer-bar 54 has pin-and-slot connections 55, 56 with lugs 52 on a vibrating frame 15 pivoted to the machine-head at 16. The bar 54 is reciprocated by a stud 73 on an arm 74 of a shaft 75, Fig. 4, which is oscillated from a cam 78 on the main shaft 5. An arm 69 on a vertically-movable bar 68 which is universally pivoted at 67 to the trimmer-bar 54 rests on a rod 70 spring-pressed upwards within the presserbar. A slotted lug 83 on a hand-lever 79 engages a groove in the shaft 75, Fig. 4. Actuation of the lever 79 against a spring 82, Fig. 1, moves the shaft' 75 endwise to disengage the stud 73 from the trimmer-bar. A trimmer-blade 59 having a finger-piece 61 is laterally adjustable on the bar 54 and coacts with the edge 65 of a slot in the throat-plate 49, Fig. 5, which carries a spring- pressed follower 66. The frame 15 is vibrated by a crank 17, Fig. 1, on a shaft 18 rocked from an adjustable eccentric 20 on t'he main shaft 5. Lock-stitching by hooks; feed by wheels.-The needle-bar 12 is reciprocated in the vibrating frame 15 by the usual crank 9 and co-operates with a hook 45, Fig. 1, rotated through shafts 34, 23 from the main shaft. A feed-wheel 48 which co-operates with a presser-wheel 50 is rotated through gearing and shafts 47, 46, 31, 30, 28, 23 from the main shafts. Frames.-Housings 40, 26 attached to the bed of the machine carry bearings for the shafts 23, 31, 34 and enclose the gears thereof. The housing 26 may be packed with lubricant and is closed by detachable plates 36, 37.
Patent GB-1062163-A (GB)
Title: Improvements in or relating to ultraviolet microscopes
Inventor: REISENBERG HORST
IPC: G02B21/00
Filed: 1965-06-01
Abstract: 1,062,163. Optical apparatus. CARL ZEISS JENA VEB. June 1, 1965, No.23324/65. Heading G2J. In a microscope, an object 1 is illuminated by ultraviolet light from source 24 passing through lens 25, filter 26, diagram 27, movable reflector 28 and reflecting condenser 14, the resultant image being produced on fluorescent screen 20 by means of reflecting objective 2, movable reflector 18 and an achromatic reducing system 19. The screen 20 is on a prism 21 which deviates the undesired rays and permits only the visible fluorescent light to traverse a prism 22, whose entrance face 22' is so inclined as to compensate for the coma error caused by prism 21, an enlarging system 23 and eyepiece. When reflector 28 is moved to the position shown, and movable prism 3 replaces reflector 18, the object 1 is illuminated by visible light from light source 8 and imaged by objective 2 and intermediate lens system 5 in an intermediate image plane 6 for observation through eyepiece 7. For phase-contrast methods of observation an annular diaphragm 15 and phase ring 16 are used, a lens 17 facilitating focusing. The undeviated ray path from objective 2 produces an image of object 1 at the image plane 29 of a photographic camera 31, plane 29 being conjugate to the intermediate image planes 6 and 30.
Patent GB-430947-A (GB)
Title: Improvements relating to positioning gauges for sole rounding and like machines
IPC: A43D27/00
Filed: 1934-08-13
Abstract: 430,947. Sole-rounding and like machines. COMPO SHOE MACHINERY CORPORATION, 565, 5th Avenue, New York, U.S.A. Aug. 13, 1934, No. 23358. Convention date, Jan. 4. [Class 31 (i)] A positioning gauge for use in solerounding and like machines comprises a pair of arms 27 each provided with a roller 31 and a disc 32 to engage a pattern 11 and a sole 12 respectively, the arms 27 being pivotally connected to a slide 14 mounted upon a fixed bracket 13. The slide 14 is projected towards the pattern 11 against the action of a spring 15 by means of a handle 16, and is maintained in its projected position through contact with a cam 18 pivotally mounted upon a support 17 on the bracket 13. The cam 18 has a projecting portion 24 engageable by a pin 25 coupled to a lever 20 which is connected to the clamping ram 9, so that, as the latter descends, the pin 25 trips the cam 18 and the spring 15 retracts the gauge. The arms 27 are drawn towards each other by means of a spring 29, and a slotted link 30 connected to the arms 27 is adapted to contact with the pattern 11 to prevent the gauge from being moved too far.
Patent GB-854310-A (GB)
Title: Improvements in power operated hedge clipping and grass cutting means
IPC: A01G3/053
Filed: 1955-08-15
Abstract: 854,310. Gardening appliances. HOLT, A. Nov. 14, 1956 [Aug. 15, 1955], No. 23392/55. Class 6(2). A hedge-clipping and grass-cutting machine comprises a cutting-tool with reciprocating and fixed blades, 1 and 2 operated by an electric drill gun 8, the assembly including a bracket 4 which supports the blades 1, 2 and locates the gun 8. The normal drill chuck is replaced by a spindle 9 having a head 10 with an offset crank pin 11 which engages in a vertical slot in a projecting arm 12 mounted on the movable knife-bar 1. The drill gun 8 is removably held on the bracket 4 by a metal strap 13 which is fastened to the bracket by screws 14, or by pressure clamps. Two handles 6 and 15 are mounted on the bracket. In a modification the front end of the bracket has a V-shaped notch above which a bridge member is adjustably screwed in order to hold the drill gun in position on the bracket. For cutting lawns a slide, runner, or land wheel may be fixed to each end of the fixed cutter bar 2 and the handle 15 extended and cranked.
Patent GB-517840-A (GB)
Title: Improvements in or relating to radio aerial systems
IPC: H01Q11/06
Filed: 1938-08-08
Abstract: 517,840. Aerials. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., and BOHM, O. Aug. 8, 1938, No. 23412. [Class 40 (v)] A single directive aerial of the rhombic type, of breadth B and length D as indicated in dotted lines at X, Fig. 1, is replaced by several smaller aerials, which are placed end to end along the line of transmission and fed in series, the last being terminated by a resistance R equal to the surge impedance of the conductors leading to it. The aerials may be arranged " broadside on " as in Fig. 3. Or these two arrangements may be combined, as shown in Fig. 2. The system is energized so that the currents at corresponding points in each individual aerial are in phase with the radiated field. The arrangement gives an increased field-strength in the desired direction.
Patent GB-1223713-A (GB)
Title: Hull for a captured air bubble vehicle
Inventor: GIRODIN MARIUS GEORGES HENRI
IPC: B63B1/38
Filed: 1968-05-16
Abstract: 1,223,713. Air cushion vehicles. M. G. H. GIRODIN. 16 May, 1968 [26 May, 1967], No. 23421/68. Heading B7K. A hull for a captured air bubble vehicle has its lower portion subdivided into four cushion containing compartments 2, 3, 4, 5 constructed from the flat vehicle base 1 and the intersection of three longitudinal partitions 6, 7, 8 having flat cushion facing surfaces that incline towards the compartment interior, the middle partition 8 lying in the vehicle's plane of symmetry, with three transverse partitions having convex partcylindrical front surfaces that tangentially engage the horizontal plane through the partition's lower edges and rear surfaces which are vertical or inclined towards the compartment interior. The front bow-forming transverse partition is W-shaped with the central V- forming portions 16, 17 being connected to side portions 18, 19 which contain the branches of stem waves reducing drag effects therefrom by portions 22, 23 respectively and the stern forming and middle transverse partitions lie in a vertical plane with their longitudinal areas normal to the vehicle's plane of symmetry. The cushions within the compartments are fed with pressure air via narrow slots (not shown) positioned in the rear surfaces near the lower edges of the partitions so that should fluid supply cease, said cushions are trapped within the compartments by the rising water level thereby preserving vehicle buoyancy.
Patent GB-360466-A (GB)
Title: Improvements in or relating to flue dampers
IPC: F23L15/02
Filed: 1930-08-05
Abstract: 360,466. Byepass flue dampers. GAS LIGHT & COKE CO. and CANNON, D. V., 84, Horseferry Road, London. Aug. 5, 1930, No. 23469. [Class 25.] A waste gas main 1 leading from gas or coke oven plant to steam boilers is provided with a byepass flue 2 leading to a chimney 3 with which is associated a damper 6 arranged within a recess or chamber 11. The damper is cooled by atmospheric air in its upper and lower positions admitted to the chamber 11 through an opening in the top. A flange 7 is provided on the damper to dip into sealing material provided in a recess at the top of the flue 8 and the upper portion of the flange 7 retains sealing material on the damper to form a seal with a flange surrounding the opening in the top of the chamber 11.
Patent GB-626432-A (GB)
Title: Chuck
IPC: B23B31/10
Filed: 1947-08-27
Abstract: 626,432. Chucks. STISCHER, M. Aug. 27, 1947, No. 23650. [Class 83 (iii)] A chuck comprises a body formed by two separable sections 12 and 14, a frame 26 slidable in the body and having a jaw 56, a jaw-member 50 sliding within the frame, a screw 36 rotatable on the body and in threaded engagement with the frame, and a screw 46 fixed to the jawmember 50 and engaging an internal thread 44 in the screw 36, the screw 46 being of opposite hand to the external thread of the screw 36 so that, on rotation of the latter, the jaws are moved in opposite directions by equal amounts. The slides 22 and 24 for the frame 26 are of different widths in the two sections 12 and 14 so that a shoulder is formed and axial movement of the frame is prevented. One section of the body is screwed at 20 for attachment to the driving means, and the other section has a work-receiving opening 58.