baber/WOPTO huggingface dataset:
Patent GB-912033-A (GB)
Title: Polyoxymethylene compositions
IPC: C08K5/315
Filed: 1961-08-31
Abstract: Polyoxymethylene is photostabilized by adding a cinnamonitrile of formula <FORM:0912033/IV(a)/1> where R1 and R2 are each either an alkyl group of 1 to 4 carbon atoms, an alkoxy group, a cyclohexyl group, a hydrogen atom or a chlorine atom and X is either a cyano group, a carboalkoxy group of 1 to 4 carbon atoms, a carboxamide group, a carboxamide group substituted with at least one alkyl group of 1 to 4 carbon atoms, or a carboxamide groups substituted with a phenyl group.  Alpha-carbethoxy beta-phenyl cinnamonitrile, beta-phenyl alpha cyano cinnamonitrile, p-methoxy [beta-(p-methoxy phenyl)]alpha-carbethoxy-cinnamonitrile, and beta(parachlorophenyl)alpha-carbethoxy-cinnamonitrile are given in examples.  Pigments, e.g. titanium dioxide, polyamides and antioxidants, e.g. 4,41-butylidene bis(3-methyl-6-tertiary-butyl phenol) may also be present. Specifications 742,097, 742,135, 744,336, 753,299, 766,524, 766,629, 770,717, 793,673 and 868,635 are referred to.
Patent GB-1271971-A (GB)
Title: Improvements in single stack waste pipe systems
Inventor: MARSH GEOFFREY JOHN WALTER
IPC: E03C1/12
Filed: 1969-06-20
Abstract: 1,271,971. Single stack waste pipe systems. MARLEY TILE CO. Ltd. 28 May, 1970 [20 June, 1969], No. 31374/69. Heading EIC. In a single stack waste pipe system having incorporated in the soil pipe 3 a fitting 10 as described in Specification 1,107,023, such fitting comprising a through passage for the soil which is surrounded by a communicating annular chamber whose outer wall is provided with at least two waste pipe connections, one of the, waste pipe connections is connected by a waste pipe or pipes to the water trap of a sanitary fitting, e.g. a bath 1 and a sink 2, for discharging same, whilst a further waste pipe connection is connected by a pipe of smaller diameter than the waste pipe or pipes to the top of the trap to prevent self-syphonage of the trap. In the arrangement shown, a ventilating pipe 7 is connected to the top of the sink trap, via a loop extending above the overflow, and serves to ventilate both sink and bath traps since these discharge, via pipes 5 and 4 respectively, into a common waste pipe leading to the fitting 10. A conventional branch fitting for discharging the bowl 6 of a W.C. into the stack 3 is adapted to be received directly in the top of the fitting 10. In another arrangement (Fig. 4, not shown) there is provided a further waste pipe connection on the fitting (10) for receiving the waste water from a sink (8) in another room at the same floor level, and a second ventilating pipe (11) is provided for ventilating the trap of this sink, the second ventilating pipe being connected with the first ventilating pipe (7) at a tee joint.
Patent GB-1079468-A (GB)
Title: Method of producing a crankshaft
IPC: C21D9/30
Filed: 1965-07-23
Abstract: 1,079,468. Making crankshafts. AEG ELOTHERM G.m.b.H., and GEBR. HELLER MASCHINENFABRIK G.m.b.H. July 23, 1965 [July 24, 1964], No. 31601/65. Heading B3A. [Also in Division F2] In a method of making an oil hole in the crank-pin or journal of a crank-shaft, the surfaces thereof are heated so that the width region containing the oil hole is heated to a depth not greater than the remaining width of the surfaces and quenched to obtain a hardened layer, the hole being subsequently sunk by electro-chemical erosion at least through the hardened surface. It is preferred that the depth of heating is less in the region of the oil hole than in the remainder of the heated region. The unhardened portions may be drilled but the hole is preferably completed by electrochemical erosion to avoid burrs.
Patent GB-484721-A (GB)
Title: Improvements in breach loading and trigger release mechanism for toy anti-aircraft or other toy guns
IPC: F41B7/00
Filed: 1936-11-18
Abstract: 484,721. Toy guns. BRITAINS, Ltd., and SMALLWOOD, G. E. Nov. 18, 1936, No. 31607. [Class 132 (iii)] A toy breach-loading gun has a breach comprising an upper part axially slidable upon a lower part integral with the gun barrel. On sliding back the upper part, a propelling spring actuating an ejector is tensioned to the firing position and both are held with the breach open, until an initial operation of a lever closes the breach, and further operation of the lever fires the gun. The upper part of the breach, formed by a sliding block 2 fitted with a gun shield 4 is guided by two spring-loaded rods 7a, 7b fixed to a plate 10 on the breach block and passing through a transverse guide plate 8 on the barrel. The rods also pass through a spring-pressed catch 12 of plate like form guided to pivot slightly in a vertical plane about the rod 7a. A propelling bar 19 having a lug 20 projecting through a slot 20a in the barrel is pin-and-slot connected to the breach block and is stressed by a projecting spring 22. On drawing back the breach block by means of the shield 4 to open the breach the firing bar 19 is retracted to tension the projecting spring 22 and the spring- pressed catch 12 rises to prevent the return of the bar. The catch also prevents the return of the breach block by intercepting the end of the rod 7b. A projectile may now be inserted in the breach immediately in front of the lug 20. To fire the gun the catch 12 is depressed by pressing on the button 29, the first part of the depression liberating the rod 7b to close the breach and further depression liberating the firing bar 19 to expel the projectile. The gun may be elevated and trained by thumb screws 35 and 32.
Patent GB-1513295-A (GB)
Title: Quench-hardening equipment
IPC: C21D1/64
Filed: 1975-07-29
Abstract: 1513295 Quench-hardening apparatus LUDWIG-OFAG-INDUGAS-INDUSTRIEOFENANLAGEN GmbH 29 July 1975 [20 Aug 1974] 31611/75 Heading C7N Quench-hardening apparatus comprises a tank 4 for liquid quenching medium 3, an arrangement 5 on one side of the tank for supporting and locating. a framework 1 which holds articles 2 to be quenched, and a circulation mechanism 6 on the other side of the tank for circulating medium 3, there being attached to mechanism 6 a bundle 7 of tubes 8 of equal length and adapted to receive medium 3 from mechanism 6 and to discharge it beneath framework 1. Tubes 8 may be metal or plastics; their net cross-section may correspond to the base area of framework 1, so that the cross-section of the current of quenching medium equals that of said framework. The inlets and outlets of the tubes may all be coplanar; the tubes may have valves or throttles, and quenching of gear rings and brake discs is referred to.
Patent GB-431441-A (GB)
Title: Improvements in and connected with terminals for batteries
IPC: H01R11/28
Filed: 1934-11-03
Abstract: 431,441. Couplings. BOURACIER, J. G., 36, Mornington Avenue, Ipswich, and TAYLOR, H. O., Wherstead Garage, Wherstead, near Ipswich. Nov. 3, 1934, No. 31614. [Class 38 (i)] A cable end for connection to a battery terminal is inserted in a split hollow head 2 of a bolt or pin 1, the head being compressed on the cable by clamping means such as a nut 8 working on the coned exterior of the head 2. The interior of the hollow head 2 is screw-threaded to facilitate application to and removal from the cable end and to provide serrations 5 to bite into the cable. The bolt 1 is used to tighten the split collar 6 on the battery terminal by screwing up a nut 9, the nut 8 being thereby drawn against one of the lugs 7 of the collar 6 and locked.
Patent GB-806309-A (GB)
Title: Improvements relating to key senders of the kind used in automatic telephone and like signalling systems
Inventor: WARMAN BLOOMFIELD JAMES
IPC: H04Q3/42
Filed: 1955-11-04
Abstract: 806,309. Pattern-movement stepping registers. SIEMENS EDISON SWAN Ltd. Oct. 24, 1956 [Nov. 4, 1955], No. 31635/55. Addition to 730,391 [Group XXXIX]. Drawings to Specification. Class 106 (1). [Also in Group XXXIX] In an automatic telephone exchange system (see Group XXXIX) a set of digit keys sends digital information through a coding network to a register-sender, comprising one storage chain for each element of the code employed and an impulse-counting chain, all the chains being made up of similar electronic elements, such as cold-cathode diode tubes. Each digit stored in the chains appears as a pattern of energized and unenergized elements in corresponding positions in the several storage chains, and these patterns are advanced up the chains as further digits are keyed, one step on the actuation of a digit key and a second step on its release. The firing of a tube is accompanied by the charging of an associated condenser which assists the applied high tension potential in firing the next tube in the chain. If the first digit has not reached the head of the chains at the end of keying, further impulses to effect this are applied following the operation of the start key to initiate impulsing out of the registered digits. The counting chain (which operates on a decimal basis) performs an initial count without the transmission of impulses, and then is marked according to the first digit, now at the head of the storage chains. Impulse transmission then takes place until the counting chain is counted out, and the process is repeated for the remaining digits, interdigital pauses being measured by the counting chain.
Patent GB-1472242-A (GB)
Title: Devices for measuring the pressure in cylinders
IPC: G01L23/02
Filed: 1975-07-29
Abstract: 1472242 Pressure gauge A A ISAEV 29 July 1975 31652/75 Heading G1L [Also in Division F2] An engine cylinder pressure measuring device has a valve housing 3 with connections 4, 5 to the cylinder and a compressed air supply line 32 respectively; and a valve 13 loaded by a spring 20, operable between first and second seats 14, 15, the second seat being formed on the flanged end 16 of a valve rod 17 attached to a valve head 18 which is loaded by a spring 23 to close the connection 4 to the cylinder and the valve 13 being arranged to move from its second seated position to its first seated position when pressure in the engine cylinder is approximately equal to the compressed airpressure. An electric circuit may extend through the valve from an insulated head 29 via a spring 28, insulated pin 12 and valve 13 to the housing. In operation, compressed air is supplied via valve 34 Fig. 1 at more than the maximum expected cylinder pressure, to open valve 18 to allow cylinder pressure into chamber 21 via passage 22. With supply shut off at valve 34 pressure is then reduced via valve 36 and as pressure balance across valve 13 is reached it operates and interrupts the circuit. Electrical connections are made with an instrument 30 which indicates the pressure valve at balance.
Patent GB-1100244-A (GB)
Title: Current interrupter with means for reducing voltage transients and arcing
IPC: H01H9/54
Filed: 1966-07-14
Abstract: 1,100,244. Arcing preventing in switches. HARVEY HUBBELL Inc. 14 July, 1966 [20 Aug., 1965], No. 31744/66. Heading HlN. [Also in Division H2] A current interrupter comprises a moving contact or plug blade 16 which sequentially engages or disengages conducting segments 22, 32, 36, of a fixed contact or socket 12, trigger circuit means between segments 22, 32 comprising a capacitor 44 and resistor 46 in series and a breakover diode 52 connected to the interconnection of the capacitor 44 and resistor 46 to give a signal to render conductive a semiconductor control element between segments 22, 36, the control element comprising two silicon-controlled rectifiers 40, 42, connected in parallel between segments 22, 36, with their anode-cathode circuits in reversed polarity, and diode 52 being connected by interconnection 50 to gate 54 of rectifier 42. The primary winding 56 of a pulse transformer is connected between gate 54 and segment 22, while the secondary winding 58 is connected between gate 60 of rectifier 40 and segment 36. On withdrawal of blade 16 the voltage across capacitor 44 increases up to the breakover voltage of diode 52, when a pulse passes through the transformer primary winding 56 to rectifier 42, an induced pulse across secondary winding 58 passing to rectifier 40, and one of the rectifiers conducts, depending on the polarities. Further withdrawal of blade 16 stops the gate current to the rectifiers, when contact with segment 32 is broken, and as soon as the supply voltage reverses both rectifiers are in the blocking condition as no gate current is received. In effect, therefore, the circuit serves to switch off the load current when blade 16 is in its Fig. 3 position (not shown). Suitable values are suggested for the circuit elements. Reference is made to other suitable controlled semi-conductor devices, for example five layer devices triggered by resistive circuits. If segments 32, 36 are reversed relative to blade 16 then load current is broken by withdrawing the blade from the central segment.
Patent GB-358309-A (GB)
Title: Improvements in spring mattresses, seats and the like
IPC: A47C23/053
Filed: 1930-10-23
Abstract: 358,309. Spring mattresses. CROWN BEDDING CO., Ltd., Charles Henry Street, and WALLIS, L. S., 58, Blenheim Road, Moseley, both in Birmingham. Oct. 23, 1930, No. 31827. [Class 52 (iv).] In a mattress wherein vertical upholstery springs a are interconnected by tension springs radiating from a common anchor ring c the tension springs are formed with double-coiled eyes d at the ends which engage the upholstery springs or at both ends.
Patent GB-436825-A (GB)
Title: Improvements in and relating to means for varying the transmission between a driving and driven element for prepayment meters
IPC: G07F15/08
Filed: 1934-11-06
Abstract: 436,825. Prepayment mechanism for meters. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London. Nov. 6, 1934, No. 31910. Convention date, Nov. 6, 1933. [Class 27] Mechanism for prepaying basic charges ; pricechanging mechanism.-In meter prepayment mechanism having means for collecting a base tariff or other fixed charge which can be altered by varying the period of driving engagement between driving and driven elements in the meter, a ratchet on the driven member is engaged by a pawl pivotally mounted on a gear-wheel of the driving train and influenced into and /or out of engagement by a controlling member for a period of time which is adjustable by means operable externally of the meter casing. In Fig. 1, the driving pawl 6, pivotally mounted at 31 on a gear wheel 3 meshing with a pinion 2 on a shaft 1 driven at constant speed, and engageable with a ratchet 4 on a shaft 15 connected with the quantity mechanism, is under the control of a lever 5, also pivoted at 31 to the gear-wheel, and having arms embracing a pin 7 on the pawl 6. Further arms 51, 52 of the controlling lever 5 are engageable respectively with fixed and adjustable stops 9, 10 which trip the lever 5 into alternative positions, and the pawl 6 out of and into engagement with the ratchet 4 as the gear-wheel 3 rotates. The position of the stop 10 is adjustable by rotation of a shaft 12<a> projecting through the casing, and having a pointer 13 which indicates the debit rate on a scale 14. In Figs. 2 and 3, the driving pawl 6 is controlled by a flexible steel band 16 against which it is urged by a spring 6<a>. This band 16 is secured at one end to a fixed outer drum 18, and passes between a pair of rings 17 whereby the gap so formed in the band can be varied to adjust the debit rate by rotation of the outer ring 17 by means of the shaft 12<a>. In Fig. 5, the driving pawl 6<1> is thrown into engagement with the ratchet 4 by direct engagement of an arm 61 with the adjustable stop 10, a controlling lever 51 pivoted to the gear-wheel 3 and connected to the pawl 6<1> by a spring 11 throwing the pawl out of engagement when it meets the fixed stop 9. The pawl 6<1> is held in its two end positions by engagement of a pin 62 with a notch and a flat bearing face 5<a> of the controlling lever. Specification 414,069 is referred to.
Patent GB-645198-A (GB)
Title: Improvements in or relating to electric discharge tubes
IPC: H01J17/18
Filed: 1947-12-04
Abstract: 645,198. Metal-vapour discharge apparatus. PHILIPS ELECTRICAL, Ltd. Dec. 4, 1947, No. 32025. Convention date, Dec. 7, 1946. [Class 39 (i)] One or more small tubular parts sealed into a discharge tube, which contains mercury and is made of glass or similar material, are extended within the envelope in such manner that, when the envelope is rotated, a tubular part when vertical extends beyond, or lies slightly below the level of the displaced mercury, whereby the risk of fracture of the part by the mercury is reduced. In the pre. ferred form, a glass discharge tube comprises mercury electrodes separated by a glass screen 4, ignition electrode 5, auxiliary anode 6 and an exhaust pip 7 suitably extended.
Patent GB-969861-A (GB)
Title: Improvements relating to radiation detectors
Inventor: ALLENDEN DENNIS
IPC: G01T1/178
Filed: 1961-09-06
Abstract: 969, 861. Measuring radiation. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Sept. 4, 1962 [Sept. 6, 1961], No. 32029/61. Heading G1A. [Also in Division H3] The concentration of uranium-235, uranium 238 and plutonium-239 in the atmosphere are determined by an alpha particle detector in the form of a reversed biased surface barrier or PN junction semi-conductor device SSD whose output is applied through an amplifier to a plurality of pulse height selectors 1, 2, 3 each arranged to produce an output in response to pulses falling within a predetermined range corresponding to the alpha particle energies of the elements to be monitered, a switching means S1 S2, S3 being provided to permit a desired selector to be connected to a scaler. The switching means may comprise push buttons or a switch mechanism for connecting the selectors to the scaler in sequence. A variable range channel may be provided for monitoring alpha activity of isotopes other than those referred to above. The output of the scaler may be recorded by an electro-mechanical register having print wheels for giving a printed tape output. Detailed circuits for the pulse height selectors are described (see Division H3). Reference is made to the use of germanium or silicon diffused with lithium for the semi-conductor detector.
Patent GB-870963-A (GB)
Title: Photographic camera, more especially cinecamera, with built-in photoelectric exposure control
IPC: G03B7/0993
Filed: 1959-09-21
Abstract: 870,963. Photo-electric exposure control. AGFA A. G. Sept. 21, 1959 [Sept. 25, 1958], No. 32125/59. Class 40(3) [Also in Group XX] A camera lens aperture is controlled by a photo-resistance with a permissible loading at least five times as great as the maximum expected loading. A photo-resistor 14, Fig. 3, is mounted behind two slide plates 16 and a cats-eye diaphragm 4 whose setting is controlled via spiral cams 29 by the position of a setting ring 3 which is adjusted for film speed. A galvanometer in the photo-resistor circuit is coupled to the camera lens diaphragm. log, Fig. 4, is the currentillumination curve for the photo-resistor where illumination is plotted in terms of the corresponding stop valve which has to be set. Ig is the curve of current required by the galvanometer to set a given stop value. For correct aperture setting these curves should coincide. Iog is moved parallel to the illumination axis to I 1 . Fig. 6, by adjusting the plates 16, to coincide with Ig at the point 39. I 1  is depressed to I 2  by insertion of the series resistance 40, Fig. 7, and I 2  is raised to I 3 , which closely approximates to Ig, by insertion of the shunt 43. The resistors 40, 43 may be variable. The lens situated a distance f/3 to f in front of the photo-resistor has the same field of view as the camera lens and may have its rear face finely matted. The photosensitive surface is the same shape as the photographic image and the diaphragm in front of the photo resistor is the same as the camera lens diaphragm. The galvanometer may be used, by actuating a switch, to check the battery voltage.
Patent GB-511735-A (GB)
Title: Improvements in and relating to the manufacture of seamless, drumlike high pressure containers with a flanged end
IPC: G02B15/00
Filed: 1938-11-07
Abstract: 511,735. Alloys. SCHMIDT'SCHE HEISSDAMPF-GES. Nov. 7, 1938, No. 32198. Convention date, Nov. 13, 1937. Drawings to Specification. [Class 82 (i)] [Also in Group XXII] Heat resistant steels, e.g., for superheaters, may contain .1 to .2 per cent. of carbon and .2 to .4 per cent. of molybdenum ; or, .1 to .2 per cent. of carbon and approximately .25 per cent. of molybdenum and .25 per cent. of copper; or, 12 per cent. of carbon, .7 to .8 per cent. of chromium and approximately .3 per cent. of molybdenum. Vanadium may be added to the above steels from .05 to .8 per cent. nickel up to several per cent. and some manganese or silicon or both may also be added.
Patent GB-175081-A (GB)
Title: Improvements in or relating to electric switches, and to the manufacture thereof
IPC: H01H23/14
Filed: 1920-11-16
Abstract: 175,081. Crabtree, J. A. Nov. 16, 1920. Contacts; handles.-Electric switches have the operating-member b and contact member c mounted on a fixed pivot d, which is supported in an annular flange a<1> of the bridge member a. The pivot consists of two portions d, d<1> of differing diameter supported in corresponding lateral perforations in the flange a. The pivot may be secured by riveting over the smaller end, to facilitate which the smaller flange perforation may be countersunk externally and a small central perforation may be formed in the centre of the smaller end of the pivot. Alternatively the metal of the larger flange perforation may be turned or swaged over the pivot end of larger diameter, which is located slightly below the external surface of the flange a<1>. The shoulder formed at the point where the pivot diameter changes forms a stop adjacent to the smaller flange perforation. The part of minor diameter may, if desired, be screwed into its perforation, the screw-thread connection being afterwards secured by swaging.
Patent GB-1443414-A (GB)
Title: Isolators
IPC: B25J21/02
Filed: 1972-07-11
Abstract: 1443414 Isolation chambers NATIONAL RESEARCH DEVELOPMENT CORP 10 July 1973 [11 July 1972] 32380/72 Heading A5R An isolation chamber 10 comprises a doublewalled conduit 13 communicating with the interior of the chamber 10, and an air inlet 24 for supplying sterilised air between the walls 19, 20 of the conduit 13, the inner wall 19 having an array of openings 27 arranged so that sterilised air may be directed over the inner surface of the free end of the conduit 13 to flow outwardly and substantially prevent the passage of unsterilised air into the conduit 13. The conduit 13 is secured to the chamber wall 11 by means of the thermoweld 16 around a rigid ring 17, and adhesive tape 18. The conduit 13 is formed from flexible plastics material, welded along lines 21 to define inflatable ribs 22, 23 and the outer wall 20 is connected to an air inlet pipe 26 via a sterilising filter 25. Alternatively, the filter may consist of glass wool between the walls 19, 20. In an alternative embodiment, the conduit 13 has suspension means (31-36), Fig. 3, (not shown), another inflatable rib (23'), and two weld tines (21') which separate the upper and lower sets of ribs 22 which communicate with an air inlet chamber (37) through holes (38, 39), and the inner wall 19 is formed of canvas. In another embodiment, both walls 19, 20 may be rigid and the ribs may be dispensed with. The conduit 13 may be closed by a weighted flap or by a conduit which is closed by a zipfastened sheet. The array of openings 27 extends over a length of the conduit which is generally between one and two times the minimum transverse dimension of the conduit 13.
Patent GB-269107-A (GB)
Title: Improved hand motor saw
IPC: B23D49/16
Filed: 1926-12-22
Abstract: 269,107. Fischer, K. Dec. 22, 1926. No Patent granted (Sealing fee not paid). Reciprocating-saw machines.-The frame of a motor-driven reciprocating hand-saw is formed with slots i, l, in line, in which are guided rollers h, h<1>, carried by the blade and by an extension thereof respectively. The motor b reciprocates the saw by means of gearing e and a link f.