baber/WOPTO huggingface dataset:
Patent GB-945565-A (GB)
Title: Improvements in condensation nuclei detector
Inventor: RICH THEODORE ALFRED
IPC: G01N15/06
Filed: 1961-05-23
Abstract: 945,565. Photo-electric condensation nuclei detectors; turbedometers. GENERAL ELECTRIC CO. May 23,1961, No. 18553/61. Headings G1A and G1X. In a condensation nuclei detector in which is indicated the intensity of radiation scattered by fog produced by the expansion of successive nuclei-bearing gaseous samples introduced into a chamber, cyclically operated valve means are provided for expanding successive samples by different degrees of expansion and for indicating the difference in intensities for successive samples. The inlet of gaseous samples into a chamber 1 and their expansion therein is controlled respectively by valves A and B in rotary valve means 21. In each revolution of the valve means a sample is drawn through a humidifier 25 into the chamber, is allowed to settle, and then to expand from the inlet atmospheric pressure to one of two different pressures maintained by a pump 31 at control valves 30 and 34 before the sample is purged from the chamber. A further rotary valve 26 is connected to valve B and driven at half the speed of valve means 21 in order to route the expansion of alternate samples respectively to control valves 30 and 34. During the expansion portion of each cycle water vapour introduced by the humidifier into the samples condenses on nuclei present and this condensation is illuminated by light from an incandescent lamp 2 passing through lenses 50 and 52. Light scattered by the condensation droplets is measured by a photo-cell or photomultiplier 4 as a measure of the concentration of nuclei present. Shields 55 and 58 serve to prevent the direct incidence of light from the lamp upon the photo-cell so that this emits periodic signals corresponding to the expansions. These signals are filtered and amplified and distributed by a commutator 10 (driven in synchronism with the rotary valve 26) alternately to peak reading voltmeters 8 and 9. An indicating instrument 11, which may be a voltmeter or chart recorder, is connected to register the difference of the peak signals corresponding to the condensation at the differing degrees of expansion (and thus induced supersaturation) between alternate samples. This value registered by the indicator 11 provides a measure of the concentration of nuclei within a range of sizes, for it is stated that for any maximum degree of supersaturation achieved there is a critical minimum size of nucleus upon which condensation will occur. Thus, for example, if expansion of samples to the pressure exerted by one control valve results in condensation being formed on all nuclei larger in radius than 10<SP>-7</SP> cm. whilst the minimum radius of nucleus for the pressure of expansion for alternate samples at the other control valve is 10<SP>-6</SP> cm., the concentration in the radius range 10<SP>-7</SP> to 10<SP>-6</SP> cm. is determined. This is stated to be of value in determining the rate of formation of nuclei in processes by eliminating the "background" of relatively large nuclei resulting from the coagulation of previously formed smaller ones.
Patent GB-611211-A (GB)
Title: Improvements in and relating to pressure sensitive adhesive sheets or tapes
IPC: C09J7/38
Filed: 1944-09-28
Abstract: Compositions, which are applied to backings to form pressure-sensitive adhesive sheets, comprise a polymethacrylate ester of an aliphatic alcohol containing more than two carbon atoms, and a plasticizer.  Tackifiers may also be added and include natural rosins, hydrogenated rosin and its esters, ester gum, coumarone - indene and hydrogenated coumarone-indene resins, pentaerythritol abietate and polybeta-pinenes.  Suitable esters are polypropyl-, polybutyl-, polypentyl- and polyhexyl-methacrylates and copolymers containing a major proportion of methacrylate molecules.  These esters may be partially replaced by polyvinyl butyral.  Specified plasticisers include tricresyl phosphate, dibutyl and diamyl phthalates, dibutyl sebacate, polyterpenes, chlorinated paraffins, butylphthalyl butyl glycollate, butyl ethylene glycol mono-ethyl ether phthalate and acetyl ricinoleate, triethylene glycol di-2-ethyl hexoate and butyrate.  The compositions may contain pigments and dyes and are preferably deposited from solution, suitable solvents being toluol, aliphatic esters, e.g. butyl acetate and ketones, e.g. methylethyl ketone.  Specifications 497,976 and 544,253 are referred to.
Patent GB-293043-A (GB)
Title: Improved knitted warp and method and apparatus for the production thereof
IPC: D04B21/20
Filed: 1928-06-27
Abstract: 293,043. Soc. P. et P. Levy dite Etablissememts J. et S. Levy FrÞres. June 30, 1927, [Convention date]. Drawings to Specification. Stockings and socks are made from warp knitted fabric shaped in the course of manufacture on a warp knitting-machine.
Patent GB-392766-A (GB)
Title: Improvements relating to the die-casting of metals
IPC: B22D17/10
Filed: 1932-07-02
Abstract: 392,766. Casting- machines. WEISS, P., 8, Rohrmattenstrasse, Nuremberg, Germany. July 2, 1932, No. 18708. [Class 87 (ii).] In the moulding of plastic material in a die comprising a fixed member a and ram-actuated slidable member b by means of material supplied from a hopper f and forced into the die cavity by the plunger g, the plunger moves relatively slowly to allow occluded air to escape until the base of the hopper is closed, and afterwards moves quicker or under heavier pressure to compress the material. The plunger is moved by pressure fluid admitted to a pipe r by valves s, t raised successively by a pedaloperated rod x. The valve s admits the fluid slowly through a restricted passage s<1> while the valve t allows it to pass without restriction. After moulding, the die part b is withdrawn by the ram c and the casting ejected by the plunger l and rods k. The rod x is then lowered to allow springs 1, 2 to close the valves s, t and depress a valve w to open the pipe r to exhaust q. The plunger g is returned by a weight or by fluid admitted to a pipe 4 by a manuallyoperated valve. In a modification the double valve s, t may supply air or gas to a chamber 6, Fig. 3, containing fluid material to be transferred to the mould a, b.
Patent GB-230348-A (GB)
Title: Improved operating mechanism for flushing apparatus
IPC: E03D1/38
Filed: 1924-08-06
Abstract: 230,348. Bruckmann, H. Aug. 6, 1924. Valve discharge water - waste preventers. - When a handle b on the stem x of a cock c in the supply pipe a is raised a projection h strikes a nose i on a rod e at the end of the pull chain. The chain rises and allows the discharge valve to fall on its seat. At the same time the cock c is opened. When the cistern is full the handle b is returned to its original position, the cock c being thereby closed and the discharge valve opened. In a modified form the discharge valve is operated by means of a cord passing over a pulley on the stem x.
Patent GB-357625-A (GB)
Title: Improvements in or relating to colour photography
IPC: G03C7/20
Filed: 1930-06-20
Abstract: 357,625. Colour photography. SOMMAVILLA, E., 28, Guilford Street, Russell Square, London. June 20, 1930, No. 18872. [Class 98 (ii).] In the production of colour photographs comprising two or more superposed component colour positives, two of the positives are formed in register on opposite sides of a single support by printing from negatives placed one on each side on to ready-coloured emulsions and employing coloured printing lights, which, acting together with the colours of the emulsions, prevent printing through the support. For a tri-colour result the red, green and blue negative records rf, gf, and bf may be made in any known manner in juxtaposition on a single film 1 which, for the printing operation, is bent as shown in the Figure round a positive film 2 bearing an emulsion 4 as of ammonium bichromate and fish glue or gelatin over the whole of one face and over half the other face, the remaining half 5 of this face being coated with a white pigment. The emulsions in contact with the red, green and blue negative records are permanently coloured blue, red, and yellow respectively. Each of the prints from the red and green positives is preferably made through a line screen, the lines of the two screens being crossed at right angles. After development as by washing in water to remove the unexposed parts of the emulsions, the tricolour picture is completed by folding the film about its middle so that the three positives may be viewed in superimposition against the white background 5. For a two-colour result, a film bearing juxtaposed red and blue-green colour-record negatives is bent round a film sensitized on opposite sides with emulsions coloured greenish-blue and red, and after printing and developing as before, is mounted on a white background as of paper. The Provisional Specification describes also a similar process in which sensitive material is used which is not ready-coloured but is coloured after development; and which is not printed with specially-coloured lights, but contains a washout stain in the support to prevent printing through.
Patent GB-726488-A (GB)
Title: Improvements in or relating to induced draught fans for locomotives
IPC: F23L17/00
Filed: 1953-07-07
Abstract: 726,488. Furnaces. HENSCHEL & SOHN, GES. July 7, 1953 [July 7, 1952], No. 18873/53. Class 51 (1). In an arrangement for protecting induceddraught fans for locomotives from near by solid particles, one or more baffles or deflector plates are provided in the smoke-box of the locomotive upstream of the fan so as to separate a substantial proportion of the solid particles entrained in the flue gases before said gases reach the fan. The separated solid particles may be re-introduced to the flue-gas stream downstream of the fan or they may be returned to the firebox.
Patent GB-1350091-A (GB)
Title: Assemblies for spinning or doubling machines
IPC: D01H7/14
Filed: 1971-06-03
Abstract: 1350091 Holding down spindles SKF KUGELLAGERFABRIKEN GmbH 3 June 1971 [3 June 1970 10 May 1971] 18881/71 Heading D1D A spindle assembly comprises a spindle 12 surrounded by a hollow wharve 16 in the cavity of which a bearing 14 is supported by a fixed collar 10. An annular or U-shaped locking element 28 is held eccentrically by a leaf spring 52 to lock the wharve on the spindle by interference with a peripheral groove 30 which may be in the wharve and an abutment flange 22 which may be on an extension of the collar 10. The assembly is unlocked by pushing the element 28 across by inserting a pin through a hole 38 in the wharve. The element 28 has flat sides 48 and 50 which engage guide cheeks 42, 44 on an annular part 34. The groove may alternatively be formed on the periphery of the collar 10 and the abutment on the inside of the wharve, Figs. 3 to 6 (not shown). The U-shaped locking element is illustrated in Figs. 5 and 6 (not shown). The abutment is upwardly tapered to facilitate press fitting.
Patent GB-664115-A (GB)
Title: Arrangement for the speedy fastening and release of bicycle and the like hubs
IPC: B62K25/02
Filed: 1949-07-18
Abstract: 664,115. Detachable wheel mountings JUY, L. C. H. July 18, 1949 [Oct. 25, 1948], No. 18886/49. Class 136(ii) A cycle hub spindle 3 which is threaded at both ends carries at one end a lever 12 rigid with the spindle to produce simultaneous movement along the spindle of locking caps 6, 8 towards or away from rotatable locking caps 5, 10 to clamp or release the hub, a locking system being provided on the caps to prevent them rotating too freely on the spindle. The locking of the caps may be effected by a grub screw 14. The pressure exerted on each of the lugs 1, 2 is adjustable by inserting screws 7, 9 in any one of the multiple of tappings provided in the caps 6, 8 respectively. In a modifiation shown in Fig. 4 clamping is effected by cams 19 on the surfaces of washers 15, 16. Studs 17 prevent the rotation of the washers 15, the washers 16 having flat surface to engage the spindle 3.
Patent GB-143756-A (GB)
Title: Improvements in or relating to forging apparatus
IPC: B21J9/18
Filed: 1919-07-30
Abstract: 143,756. Cromwell, J. C. July 30, 1919. Forging-machines.- In apparatus for forging ingots or other heavy work, a work table and a. rigid work-support independent thereof are arranged adjacent to the anvil. The anvil 5a is carried by a base 5 which has outboard work-supports 12, extending between non-circular feeding-rolls 10, so that in the normal position of the rolls the work rests only on the anvil and supports 12. Lateral movement is effected by fingers 15, which are arranged between the rolls 10 and can be raised to hold the work and then moved laterally as described in Specification 151,212. Roller guides 37 are mounted on carriages 38 which are moved on the hammer frame 2 by right and left handed screws 40 and electric motors 41.
Patent GB-887315-A (GB)
Title: Treatment of polymers
Inventor: STUART-WEBB JOHN
IPC: C08F6/02
Filed: 1958-06-13
Abstract: Metal-containing catalyst residues are removed from polymers of ethylenically unsaturated hydrocarbons by treating the polymer with an alcohol containing at least eight carbon atoms in the molecule in the presence of a liquid hydrocarbon and hydrogen chloride, or an acid chloride which will liberate hydrogen chloride in the presence of the alcohol, separating the polymer and washing it with a liquid hydrocarbon.  The polymer may finally be treated with steam in the presence of a small quantity of wetting agent and the polymer subsequently dried in vacuo. Polymers mentioned are polyethylene and polypropylene particularly isotactic polypropylene.  The liquid hydrocarbon may be the unsaturated hydrocarbon monomer but is preferably an inert hydrocarbon such as propane, butane, or pentane. The acid chloride may be thionyl chloride, sulphuryl chloride, or acetyl chloride.  The alcohol may be an octanol, nonanol, decanol, or a dodecanol.  The preferred alcohol is 3,5,5-trimethyl-hexanol-1. The exemplified catalyst residues are those formed by reacting a titanium compound such as a titanium halide, e.g. titanium tetrachloride or trichloride with an organo-compound of aluminium, e.g. an aluminium alkyl.  Specifications 840,497 and 877,050 are referred to.
Patent GB-1429716-A (GB)
Title: Conditioning circuit and method for variable frequency sensor
IPC: G01R23/10
Filed: 1973-04-19
Abstract: 1429716 Measuring pressure electrically GARRETT CORP 19 April 1973 [21 April 1972] 19071/73 Heading G1N Apparatus for producing a signal P representative of a fluid-pressure at transducer 16 diaphragm 20 includes a variable frequency oscillator 28 connected to provide a signal, of which the frequency varies as the fluid-pressure, to a counter 34 by way of gate 32 controlled by digital computer 12, the transducer including a read-only memory 36 which stores scale and offset constants appropriate to the particular transducer which constants are utilized by the computer in combination with the accumulated count C P,T  in the counter 34 at the end of the gate interval to provide a rationalized count C P,T  which varies linearly and monotonically within a predetermined range of values with the oscillator frequency and which is combined with a digital signal KT from A/D converter 14 representative of transducer temperature according to a function P = #<SP>m</SP>f j K T f(C P,T )<SP>j</SP>. The computer outj=0 put signal P is a nineteen bit plus sign bit binary word X scaled so that X = 2<SP>19</SP> when the pressure sensed is thirty six inches of mercury column.
Patent GB-1503505-A (GB)
Title: Electrical connector element
IPC: H01R13/428
Filed: 1974-05-01
Abstract: 1503505 Two-part couplings RISTS WIRES & CABLES Ltd 18 April 1975 [1 May 1974] 19080/74 Heading H2E In an electrical connector, each of a plurality of terminals is inserted into a respective channel 12, 13, 14 in an insulating carrier 11 (moulded synthetic resin) via the opening side of said channel, a snap-fit and retention of the terminal being facilitated by the housing having detents 21 which snap over recesses 22 in the contact and longitudinal movement of the terminal in the channel being prevented by abutment surfaces 23, 24. The terminal may be of male, female or hermaphrodite form, of a flat or cylindrical structure. In Fig. 4 each carrier provides cover for the channels of the carrier below. Casing 28 provides cover for the channels of carrier 26. The carriers are retained in casing 28 by barbs 29 and abutment surfaces (not shown) on the carriers and casing respectively.
Patent GB-818891-A (GB)
Title: Improvements in or relating to electric discharge lamps
Inventor: MOLYNEUX HAROLD GROSVENOR
IPC: H01J61/38
Filed: 1955-07-01
Abstract: 818,891. Discharge lamps. SIEMENS EDISON SWAN Ltd. June 20, 1956 [July 1, 1955], No. 19146/56. Class 39(1). In a mercury vapour discharge lamp the discharge tube 6 is shielded so far as external objects irradiated by the lamp are concerned to a partial extent by a shielding member 7 composed of material transparent to radiation of wave lengths in a range above 3000Š including 3650A but substantially opaque to radiation of wavelengths in a range below 3000A including 2537Š. As shown the shielding member is in the form of a helically coiled tube through which runs a ballast resistance wire 8 thereby promoting easing starting. A suitable material for the shielding member 7 is the glass known under the Registered Trade Mark "Pyrex." The lamp may be provided with a reflector 13 and the electrodes are connected to the terminals 9, 10 by leads 11, 12 and conducting tube supports 4, 5.
Patent GB-166811-A (GB)
Title: Improvements in recording devices for dial weighing scales
IPC: G01G23/18
Filed: 1920-07-07
Abstract: 166,811. Raworth, J. E., (Type Registering Scale Co., Ltd.). July 7, 1920 Printed records, apparatus for giving. - In a printing weighing- scale of the kind in which the weight is indicated on a stationary dial by a movable pointer, type characters are arranged circumferentially of the dial, and manually operable means are provided for bringing the desired type character and printing- mechanism into register and for obtaining a printed record. In front of the dial 1, Fig. 1, is arranged a stationary arm 9 bearing a pivot 26 to which are secured an arm 10 and a pointer 25. The arm 10 carries a printing- handle 20, and during use the arm is adjusted to bring the pointer 25 over the usual indicating-pointer 5. A spring roller on the arm 10 engages teeth 18 to position the arm accurately. A card is inserted in a slot 14 and the printing-handle is pulled forward, thus causing a spring-supported roller to press the card upon the type 4 arranged around the dial. Complete rotations of the indicating-pointer 5 are indicated at an opening 27 in usual manner, and, in order to print this higher denomination on the card, a type disc 28 rotated by a finger knob 30 is provided on the arm 10 and may be set against an index 33. In a modification, the arms 9, 10 are dispensed with and the printing-mechanism is carried by and travels upon the flange 3, an inwardly-directed pointer replacing the pointer 25. In a further modification, the type is carried on a ring 9', Fig. 6, which may be adjusted circumferentially by a finger-knob so as to bring a pointer on the ring into coincidence with the indicating-pointer. A card, inserted in a ticket slot, may then be impressed with the weight record by squeezing-in the printing handle 20', a projection 32<1> on the handle raising a spring- pressed plunger 17<1> to make the impression. A duplicate record is at the .same time made on a paper strip 24<1> fed forward bv a pawl 35<1>, the slack paper being taken up at the winding-roll 30<1> by a spring lever 34<x> and a pawl 37'. When weighing loads beyond the capacity of the dial 1<1>, a handle is turned to place counterweights on the scale beam, and the weighing capacity of these counterweights is indicated on a drum operated by a rack 42. The rack positions a typebar 44 by intermediate connections 49, 47, so that a record of the increased weight is added to the card and paper strip during a printing operation. In a modification, wherein a printing-ribbon is used, the strip 24<1> instead of passing to a winding drum 30<1> passes vertically from the feedrolls 28<1>, 29<1> to a receiving-pocket below, and the printing-ribbon passes in the form of an endless band across the top of the plunger 17<1> and is fed forward by a pawl and spring lever similar to 37', 34<x>.
Patent GB-406558-A (GB)
Title: Improvements in or relating to automatic pistols
IPC: F41C33/02
Filed: 1933-07-06
Abstract: 406,558. Carrying automatic pistols. HASSELMANN, O. A., 11, An der Ringkirche, Wiesbaden, Germany. July 6, 1933, Nos. 19186, 19187, and 19188. Convention dates, Aug. 6, 1932, March 30, 1933, and April 18, 1933. [Class 119.] An automatic pistol a with a loaded magazine but an empty barrel is carried by a strap by means of a member b having claws or bent lips or the like such as d, Fig. 1, or e, Fig. 2, which member pulls the barrel back and then lets it slip forward when the handle of the pistol is gripped by hand and thrust forward. This loads and cocks the pistol, so that the first shot can be fired without loss of time. The member b may be merely a pair of fingers, or it may be a sleeve, as shown, guided by ribs b<1>, Fig. 3, preventing premature disengagement. A loop c on the member serves for its attachment to a strap.
Patent GB-899873-A (GB)
Title: Improvements relating to garment stiffeners
Inventor: LILLIE GEORGE ROGER VENABLES
IPC: A41C1/20
Filed: 1958-06-17
Abstract: 899,873. Garment stiffeners. STEELS & BUSKS Ltd. June 16, 1959 [June 17, 1958], No. 19300/58. Class 141 A garment stiffener 1 of strip form has at one or both ends an extension piece 2 which embraces the end of the stiffener, the extension piece being of greater flexural strength than the stiffener. An extension piece of nylon or other thermoplastic material may be moulded directly on to the end of a stiffener of the bent wire or flattened spiral type, Fig. 8 (not shown). Alternatively a detachable extension piece made of nylon &c. may have a pocket 3 for receiving the end of a flat metal stiffener. In Fig. 7, the ends of two extension pieces 2 extend into the hems 5, 6 of a corset and are secured by stitching 7, 8 which penetrates the extension pieces. In a modification, Fig. 4, an extension piece has integral wings 11 which are penetrable by a sewing needle. The extension piece may taper in width and thickness towards its free end.
Patent GB-1236662-A (GB)
Title: Ortho-amino-azo pigments and their preparation
IPC: C09B29/033
Filed: 1968-07-17
Abstract: 1,236,662. Monoazo dyes. STERLING DRUG Inc. 17 July, 1968 [24 July, 1967], No. 19390/70. Divided out of 1,236,661. Heading C4P. The invention comprises inonoazo dyes of formula wherein the amino group is in the 1- or 2-- position of the naphthalene ring, the azo group being ortho to it, X<SP>1</SP> is O, S or NH, Q is H or an alkoxy, alkyl, halo, sulphonic cyano, carboxylic or alkoxycarbonyl group, Y is an organic radical containing 8-18 C atoms and from 4 to 8 conjugated double bonds, up to two of which double bonds may be acyclic and, if present, lie between the 2-carbon atom of the benzazole ring and the ring containing the remaining- double bonds and Z is H or 1 or 2. COOH or SO 3 H groups. The dyes are prepared by coupling 9 diazotized 6-aminobenz-X-azole with an appropriate 2-aminonaphthalene and are intermediates in the preparation of triazoles (cf. Specification 1,236,661). They may be used as orange, red or brown pigments.