baber/WOPTO huggingface dataset:
Patent GB-982544-A (GB)
Title: Improvements in or relating to tripping devices for automatic circuit breakers
IPC: H01H73/30
Filed: 1961-07-19
Abstract: 982,544. Automatic circuit-breakers. G. ALLARD. July 19, 1961 [July 20, 1960], No. 26176/61. Heading H2B. A tripping device for a circuit-breaker which comprises a contact-carrying lever biased to the open position but retained closed by a catch, and a percussion member spring-loaded to its release position against a restraining device which when operated allows the percussion member to impinge on and actuate the catch, thereby opening the contacts, is characterized by the catch and percussion member being automatically reset by the tripping movement of the contact-carrying lever. In the double-pole circuit-breaker described, an insulating plate 28 carries main contacts 5a and 5b co-operating with fixed contacts 2a and 2b respectively, arcing contacts 5<SP>1</SP>a and 5<SP>1</SP>b being provided as shown. A spring 36 urges plate 28 against a knife-edge 35 on the reset button 21 and a spring 8 urges a catch plate 6 to underlie the extension at the rear of plate 28 (see especially Fig. 8). Percussion members 10a and 10b are pivoted at 11a and 11b (see Figs. 9 and 12) and urged by springs 16 but restrained by the ends of U-shaped bimetal strips 14a, 14b, respectively, which carry the current to fixed contacts 2a and 2b. Depression of button 21 (against spring 36) pivots plate 28 about the top edge of catch plate 6 and closes contacts 5a, 5b, 5<SP>1</SP>a, 5<SP>1</SP>b on to contacts 2a and 2b, a latch 40 (Fig. 8) engaging a notch 38 to retain the button 21 in the depressed condition. If either bimetal 14a or 14b is now flexed by current overload its associated member 10a or 10b is released and a tongue 9 thereon (Figs. 9 and 12) impinges on catch plate 6 to remove it from beneath plate 28, allowing spring 36 to pivot plate 28 and open the contacts. Plate 28 also impinges upon latch 40 to release the button 21 which moves upwards together with plate 28, thereby restoring the members 10a and 10b such that plate 6 returns to the position shown in Fig. 8 and the device is automatically ready for reclosing as soon as the flexed bimetal has returned to its normal position. Depression of button 21 before the bimetal has restored merely allows the member 10a or 10b to push the catch 6 aside and contacts 5 cannot then be moved down far enough to engage contacts 2. A button 64 is provided for manual tripping by acting mechanically on bimetal strip 14a, for example. Resistor shunts 52 and 53 (Fig. 10) may be connected in parallel with a bimetal strip by adjustment of screws 55 and 56, thereby providing alternative current ratings. Ambient temperature compensation may be provided by a bimetal 50 (Fig. 12) acting as one leg of a percussion member, adjustment being possible by means of a screw 51.
Patent GB-392054-A (GB)
Title: Improvements in milling bran
IPC: B02C9/00
Filed: 1932-09-21
Abstract: Bran with excess of water is introduced into a vessel that can be closed and the pressure in the vessel is continuously increased up to about fifty atmospheres.  The aleurone layer is thus caused to swell. The bran is then mechanically milled.  Specification 22195/07, [Class 58, Grain &c.], is referred to.
Patent GB-269219-A (GB)
Title: Improvements in or relating to television and to apparatus for use in transmitting views, scenes, images, pictures and other objects of an animated or inanimated nature to a distance
IPC: H04N5/66
Filed: 1925-10-21
Abstract: 269,219. Baird, J. L. Oct. 21, 1925. Television. - To enable the electric arc, variable by the received current to produce the varying light at the receiving station, to respond readily to such currents, its normal condition is one of high attenuation, e.g. it may be normally on the point of extinction or may be intermittent. For this purpose, a high voltage is applied to the electrodes through a high resistance. The electrodes may be constituted, as shown in Fig. 2, by rotating discs 15, 16, arranged with their edges, preferably serrated, moving in close proximity at one point, so that the arm formed at this point is continually drawn out and extinguished. Alernatively, the electrodes may be jets 17, 18, Fig. 3, of conducting fluid crossing each other for the production of the arc at 19. In this case the jet 18 is earthed, and the jet 17 impinges on an insulated plate 20 to prevent leakage of current along it. In a further modification, Fig. 4, the arc may be formed in a capillary tube 21, e.g. of silica or glass, between mercury electrodes 24, 25. The high resistance 12 may be constituted by a two-electrode thermionic valve, and the received currents mav be supplied to the leads 14, connected to the electrodes, through a thermionic valve which prevents any feed-back over these leads of the voltage supplied to the arc.
Patent GB-1068242-A (GB)
Title: Improvements relating to rain-water outlets for flat roofs, balconies and like surfaces
IPC: E04D13/04
Filed: 1964-06-25
Abstract: 1,068,242. Roof drainage. K. O. ESSER. June 25, 1964 [June 26, 1963; Dec. 18, 1963], No. 26363/64. Heading E1C. A rain-water outlet for flat roofs, balconies and like surfaces comprises a funnel-shaped entry part 9 of synthetic plastics material made up of an inner wall 10 and an outer wall 11, heat insulating material 12 being therebetween. The walls 10, 11 may be glass-fibre-reinforced synthetic plastics material. The entry part 9 may be roughened on the outer surface, the inner surface being smooth. A heating wire 15 may be embedded inside the part 9, to extend sinuously or in loops over its length, the wire ends being led out of it at 16 into sheathing 17 connected to terminals 18. The wire 15 may be laminated directly on to the wall 10 before curing or secured onto it by introducing heat-insulating foamed synthetic plastics material into the space between the walls 10, 11. The roof is made of a concrete part 1 with a ceiling rendering 2 and is covered by heat insulation 3 over a barrier layer 4 and under a synthetic plastics foil 5 covered by roof felting 7. The foil 5 is cut to have an edge which is turned down into the parts 9 and is so held by a clamping ring 8, resting on projections 13, and which may support a screen or like filter 14.
Patent GB-1498611-A (GB)
Title: Connectors for printed circuit boards
IPC: H01R12/88
Filed: 1976-06-24
Abstract: 1498611 Electrical connector F R BONHOMME 24 June 1976 [4 July 1975] 26373/76 Heading H2E A contact member of a zero-insertion force connector has sections having different resilient properties such that contact is made with a corresponding contact of a mating connector with a wiping action by rotation of a control member. In Fig. 1 the upper contact is in the open position end 4a of contact 4 being engaged in a slot in control member 5 which is rotated to make contact, as shown by the lower contact. Shoulder 15 locates the contact member in the housing, the contact being retained by a twist at 4d. The more resilient portion may be provided by forming it to an S-shape, Fig. 2, or other suitable shape, or by making it, thinner than, narrower than, disposed at an angle to the less resilient part, or by providing the less resilient path with reinforcing such as a helical wire or resilient sheath, or by soldering, or by a combination of methods.
Patent GB-1173668-A (GB)
Title: Phosphate Polyhydroxy Compounds, Compositions containing the same and Scale Inhibiting use thereof
IPC: C02F5/14
Filed: 1967-06-07
Abstract: 1,173,668. Phosphate polyhydroxy compounds. NALCO CHEMICAL CO. 7 June, 1967 [23 June, 1966], No. 26375/67. Heading C2C. [Also in Division C7] Compounds of the formula where R is a saturated C 3-6  hydrocarbon radical, R 1  is -CH 2 CH 2 - or -CH 2 CH(CH 3 )-, P is one or both of -O-P(O)(OH) 2  or -O-P(O)(OH)O-, x is a number average in the range 0-5, y is a number average in the range 1-6, z is a number average in the range 0-3, m is a number average in the range 0-5, n is a number average in the range 0-5, q is a number average in the range 1-6, x + m =0-5, n+q=y, m+x+y=3-6, are prepared by reacting P 2 O 5  with a polyol of formula The alkali metal salts of the above phosphates are prepared by neutralization of the free acid with an alkali metal base. The reaction is preferably carried out at 95-150‹ C., and a catalyst, e.g. BF 3  etherate complex, may be used. The compounds are useful in preventing scale deposits on metal surfaces and may be used in compositions containing phosphate esters of alkanols of formula RO-(CH 2 CH 2 O) 2-20 H, where R is C 4-12  straight chain or branched chain alkyl.
Patent GB-280692-A (GB)
Title: Improvements relating to ladies' hand-bags, vanity bags, or the like
IPC: A45C3/06
Filed: 1926-10-22
Abstract: 280,692. Bramwell, E. A. Oct. 22, 1926. Hand and like bags. -A hand, vanity, or like bag is provided with an open-ended sleeve-like portion, of the same length and depth as the bag, adapted to be slipped over the user's arm. In the bag shown in Fig. 1, the sleeve-portion is provided between an outer flap 5, connected to the bag by a fold 6, and the adjacent-side of the bag, to which the corners of the flap are secured at 7. The sleeve is suitably lined, and may be fitted with an elastic band 8 adapted to grip the wrist of the user. The ends of the sleeve may have shirring strings or the like to enable it to be tightened on the arm. According to the Provisional Specification, the construction may take the form of a sleeve or one or more loops of flexible material depending between pocket-portions connected together near the mouths to form a bag. The shirring strings may then serve alternatively as handles for carrying the bag in the normal manner and the sleeve may be used as an additional pocket. In a further construction the sleeve is afforded in the space between the pockets by a strip of flexible material being connected to the lower edges of the pocket portions. Further constructions proposed are armlets or loops of flexible material attached to one or both sides of a bag.
Patent GB-1379014-A (GB)
Title: Azulene derivatives
IPC: A61K8/34
Filed: 1973-06-04
Abstract: 1379014 Azulenes L GIVAUDAN & CIE SA 4 June 1973 [5 June 1972] 26454/73 Heading C2C [Also in Division A5] The invention comprises compounds of the formula  wherein R<SP>1</SP> represents a C 1-6  alkenyl group or R<SP>11</SP>, or taken together with R<SP>4</SP> an oxo group; R<SP>11</SP> represents hydrogen or a C 1-6  alkyl group; R<SP>2</SP> represents hydrogen or a C 1-6  alkyl group; R<SP>3</SP> represents methyl or methylene; R<SP>4</SP> represents hydroxy or a C 1-6  alkoxy, C 1-6  alkenyloxy, C 1-6  alkoxy C 1-6  alkyl or acyloxy group; and R<SP>5</SP> represents hydrogen or, when simultaneously R<SP>3</SP> represents methyl and R<SP>1</SP> represents R<SP>11</SP>, taken together with R<SP>4</SP> a 3α,6-epoxide group, and 1,8α-dihydro derivatives of compounds of Formula I wherein R<SP>3</SP> represents methyl and R<SP>5</SP> represents hydrogen. The compounds are prepared by cyclizing a compound of the formula in an organic solvent and in the presence of a Lewis acid to give a compound of the formula and where appropriate esterifying or etherifying a compound of Formula IV, or oxidizing a compound of Formula IV to the ketone which may subsequently be hydrogenated or reacted with a Grignard compound of the formula where Hal is Cl or Br and subsequently hydrolysing to yield the appropriate alcohol which may then be etherified or esterified, or hydrogenating the exocyclic and optionally also the endocylic double bond in a compound of Formula IV to yield alcohols which may subsequently be esterified or etherified.
Patent GB-315144-A (GB)
Title: Fountain pen
IPC: B43K5/00
Filed: 1928-09-15
Abstract: 315,144. Jahn, A. Sept. 15, 1928. Reservoir pens; facilitating writing. -A fountain-pen barrel is provided with a gripping-portion of non-circular cross-section arranged so that the index finger is accommodated on a flat portion 2 of the barrel, which is provided with a nib-section 5 carrying the nib 6 at an angle of approximately 45‹ to the plane of the flat portion of the barrel. In a sac self-filling pen, the operating-lever is mounted in the flat portion. The front and rear ends of the barrel are provided with tubular extensions 3<1>, 9 respectively on which the cap can be mounted, and the rear extension can be provided with a rotatable section for actuating nib-retracting mechanism. The axis of the. rear extension may coincide with or be displaced relatively to the axis of the barrel.
Patent GB-630356-A (GB)
Title: Improvements in or relating to crutches
IPC: A61H3/02
Filed: 1947-10-01
Abstract: 630,356. Crutches. SMITH, H. M. Oct. 1, 1947, No. 26536. [Class 81 (ii)] The upper part of a crutch is resiliently supported on the lower part or stick partly by means of a cantilever spring and partly by a leaf spring connected between the stick and hand grip. In the elbow crutch described the arm band 10 and hand grip 8 are formed as a unit and are attached to the stick 1 by a leaf spring 6, which may be reinforced by a second leaf 14, and a cantilever spring 5 attached to the stick at its lower end and having a slot 11 at its upper end engaging around a stud 12 on the upright section 13. The mounting lug 4 is formed with a lower tubular extension which is a press fit in the tubular stick so that the upper and lower parts of the crutch may be readily separated.
Patent GB-953072-A (GB)
Title: Single shot multivibrator
IPC: H03K3/284
Filed: 1960-07-29
Abstract: 953,072. Flip-flop circuits. INTERNATIONAL BUSINESS MACHINES CORPORATION. July 29, 1960 [Aug. 26, 1959], No. 26546/60. Heading H3T. A resonant circuit is included in the coupling between the two stages of a flip-flop circuit to control the duration of the output pulse from the second stage, and means are provided to inhibit oscillation of the circuit during the rise and fall periods so as to reduce the rise and fall times. As shown, one of the couplings between two complementary transistors T1, T2 includes a series resonant circuit 22 so that an input pulse at terminal 1 will render transistor T1 conducting and this in turn will render T2 conducting, the feed-back through 21 maintaining T1 conducting even if the input pulse terminates. In the absence of the third transistor T3 the current through the resonant circuit would oscillate sinusoidally for half a cycle increasing to a maximum and decreasing to zero, so maintaining transistor T2 conducting for that period and at the end of the period both transistors would revert to the non-conducting state. However, in order to steepen the initial part of the current waveform applied to transistor T2 a normally conducting transistor T3 is connected across the capacitor 200 so that current rises in inductance 100 exponentially instead of sinusoidally. When transistor T2 becomes conducting sufficient current flows in the coupling network to bias transistor T3 to cut-off so that after this point the current through circuit 22 increases in resonant fashion. In a similar manner, transistor T3 becomes conducting again while T2 is being cut-off so the trailing edge of the pulse is also steepened.
Patent GB-1074644-A (GB)
Title: Improvements relating to hop extracts
Inventor: LLOYD ROBERT OLIVER VILLERS
IPC: C12C3/08
Filed: 1965-06-23
Abstract: In the preparation of a hop extract or concentrate, hops are contacted with an organic solvent therefor and a mild reducing agent soluble in the solvent.  It is stated that the viscosity of any extract so prepared is less than for that made by the same solvent without the use of the mild reducing agent.  A conventionally prepared extract or concentrate of hops, preferably after it has been dissolved in a non-polar solvent, may simply be treated with the mild reducing agent.  An isomerized hop extract or concentrate may be prepared by contacting the hops with an organic solvent therefor and a mild reducing agent soluble in the solvent, and thereafter isomerizing the resulting extract or concentrate.  Organic solvents: a lower aliphatic monohydric alcohol, a lower aliphatic ketone, an aliphatic or aromatic hydrocarbon or a halogenated solvent, particularly benzene and petroleum ether.  Mild reducing agent: sulphur dioxide.  The reducing agent is preferably added with the solvent to an extraction vessel packed with the hops.  After the extraction process the reducing agent is removed by evaporation under vacuum at a low temperature, by neutralization or by salting out. There is preferably employed a 14% by volume solution of chilled liquid sulphur dioxide in cold benzene.  In the case of petroleum ether (boiling point range 80-100 DEG  C.) up to 2.5% by volume of sulphur dioxide can be added.  Examples are directed to the extraction of finely ground hops and macerated lupulin with benzene containing sulphur dioxide in approximately 2.5M concentration.  In a further example the extract obtained by treating finely ground hops with benzene containing sulphur dioxide is isomerized by boiling under reflux for one hour with a solution of anhydrous sodium carbonate in an atmosphere of nitrogen.  The extracts prepared with the sulphur dioxide give higher contents of humulones than did those of the control experiments.  A readily dispersible hop composition consists of a concentrate of hop resins, an emulsifying agent (methyl ethyl cellulose), an emulsion stabilizing agent (sodium carboxymethyl cellulose) and a brewing sugar (glucose syrup).
Patent GB-319482-A (GB)
Title: Improvements in or relating to direction signals for use on vehicles
IPC: B60Q1/34
Filed: 1929-06-06
Abstract: 319,482. Petropulo, N. E. June 6, 1929. Road-traffic signals on vehicles.-A signalling-device for use on vehicles comprises a hand 14 adapted to be extended by lazy tongs 11, to be swung in a horizontal plane about a pivot 7, and to be lifted in a vertical plane into the position shown in broken lines in Fig. 2. A wire 18 operated by lifting a handle 27 extends the lazy tongs by turning a spring pulley 12, an arm of the tongs being guided by a slot 10<a> in a plate 9 on the pivot 7. The final portion of the slot 10<a> combined with the restraining action of a rod 24 compels' the hand to lift, when fully extended, on further tension of the wire 18. By turning the handle 27 in a horizontal plane, a wire 21 is caused to rotate the hand about the pivot 7. The hand is normally concealed in a sleeve casing; it may be made of translucent material and enclose a lamp. The operating handle 27 works on a horizontal pivot carried in a vertical hollow spindle 26 fast with a drum 29 and journaled in a bracket 25 mounted near the driver. The two movements of the handle are communicated by the cables 21, 18 as shown to the signal by means of intervening jockey pulleys.
Patent GB-837952-A (GB)
Title: Improvements in or relating to piezo-electric pick-ups
IPC: H04R17/06
Filed: 1957-08-22
Abstract: 837,952. Piezo-electric pick-ups. DE VRIES, M. Aug. 22, 1957 [Aug. 24, 1956], No. 26568/57. Class 40 (4). In a gramophone pick-up comprising a piezoelectric element 3 supported in a casing 1, 2 and having a flexible member 4 coupling the piezoelectric element to a stylus holder 7, the latter has a support member comprising a portion 23, Fig. 4, bent towards the piezo-electric element and a horizontal portion 8, Fig. 6, resiliently supported by a horizontal tube 9. Movement of the stylus causes the coupling member to vibrate about a point lying on the produced axis of the tube 9. The portion 8 is given a V-shaped cross-section and has linear contacts with the inside of the tube 9 which is of soft resilient material and which is in turn located by linear contact with holding members 10, 11. Friction between these members is small but sufficient to prevent relative movement (i.e. movement is taken up by the resilience of the tube 9) for small vibrations. The holding members 10, 11 are fixed to a cover 14 having parts 15, 16 arranged to snap over parts 17, 18 of the casing, and having edges 19, 20 for gripping the casing.
Patent GB-464867-A (GB)
Title: Protective means for electrical measuring instruments
IPC: G01R1/36
Filed: 1935-09-25
Abstract: 464,867. Automatic circuit-breakers ; protecting testing-instruments. MACADIE, H. S., and AUTOMATIC COIL WINDER & ELECTRICAL EQUIPMENT CO., Ltd. Sept. 25, 1935, No. 26571. [Class 38 (v)] [Also in Group XXXVI] A protective device for an electrical measuring-instrument comprises a spring-loaded switch which is caused to break the circuit or shortcircuit the instrument when a moving part of the instrument accelerates too quickly or reaches the limit of its movement in either direction. In the arrangement shown, the pointer 5 is carried by a slightly flexible metal strip 4 pivoted at 3 to a part 1 carried by the moving coil 2 of the instrument. The part 1 has an extension 11 against which the pointer is normally pressed by a spring 6. The strip 4 is formed with a pawl 7 which is normally out of engagement with a ratchet 12<3> carried by a member 12, Fig. 3, pivoted at 13 to the magnetic concentrator 14. The member 12 is formed with recesses 121, 122 engaging lugs 94, 9<5> on a member 9, Fig. 4, mounted so as to be capable of longitudinal movement in bridge pieces 10<1>, 10<2> connecting the polepieces 11<1>, 11<2> of the instrument. If the coil 2 moves or accelerates too rapidly, the inertia of the pointer 5 causes the pawl 7 to engage the ratchet 123 and rotate the member 12, whereupon the member 9 is depressed, and an arm 9<3> carrying an abutment 9<6> lowers a rod 15 guided at 151 and trips a switch to the open position. The switch comprises a bridge piece 17 carried by a rod 18 provided with a reset button 20, by means of which the bridge piece can be moved into engagement with fixed contact arms 16, 16<1>. A pivoted arm 22 under the action of a spring 23 engages a conical recess 24 in the rod 18 and holds this in the closed position, the free end of the arm 22 being held by a catch 25 connected to the rod 15. When the rod 15 is depressed, the catch is released, and the switch opens under the action of a spring 21. Rotational displacement of the bridge piece 17 is prevented by a guide 27 having a recess which engages a post 28. At the limits of its movement in either direction, the coil 2 engages the portion 124 or 12<5> of the member 12 and rotates the latter to open the switch.
Patent GB-1077181-A (GB)
Title: Method of and apparatus for coating articles by electrophoresis
IPC: C25D13/22
Filed: 1964-06-29
Abstract: Articles mounted on a conveyer are moved through a bath of liquid coating material for coating by electrophoresis providing that the resistance measured between successive articles on the conveyer is above a preselected value.  If this value is not achieved a relay is operated to indicate the situation and to stop the conveyer. Provision is also made to adjust the length of path over which coating current is applied to the article by means of a timing mechanism operated by the conveyer movement.  The coating material may be anodically or cathodically deposited resin-based paints and the bath is provided with a stirrer.
Patent GB-316468-A (GB)
Title: A new or improved fluid-operated screw motor
IPC: F03B5/00
Filed: 1928-09-19
Abstract: 316,468. Buff, T. H. Sept. 19, 1928. No Patent granted (Sealing fee not paid). Screw motors.-A hydraulic screw motor comprises a single spiral rotor c, which may be provided with baffles, arranged in a casing a having inlet and outlet end chambers g, g<1> of considerable capacity. Fig. 2 shows the motor incorporated in a self driving machine. The rotor drives a pump p through gearing u and the exhaust liquid is thus returned from chamber Q to a supply chamber S. A relief valve Y is provided.