baber/WOPTO huggingface dataset:
Patent GB-898440-A (GB)
Title: Apparatus for controlling dictating machines
Inventor: HIGHMAN EDWARD HALL
IPC: H04M11/10
Filed: 1958-06-30
Abstract: 898,440. Centralized dictation systems. UNILEVER Ltd. June 19, 1959 [June 30, 1958], No. 20855/58. Class 40 (4). Apparatus for controlling dictating machines of the type described in Specification 777,939, comprising means for producing an alternating current having a plurality of different frequency components, means for injecting that current into a telephone system, a remote controller connected to the system for altering the value of the impedance presented by the system to said current from one to another of a plurality of impedance values, each of said frequencies having a particular impedance value selective to it, and a main station controller incorporating frequency-selective networks responsive to changes in the level of said components, is modified by the addition of a signal course for producing an alternating current substantially identical with the first mentioned current, and a compensating network connected to the signal source and to the frequencyselective networks so as substantially to balance the input to the frequency-selective networks due to the current injected into the telephone system when the remote controller is not operated. As shown, one secondary winding 4 of the output transformer 2 of a push-pull amplifier 1 is connected across terminals 10 and 11 of the telephone system and, via transformer 8, to three frequency-selective networks 13. The other secondary winding 5 is connected to the negative feedback terminal 14 of amplifier 1 and to one side of a compensating network 15 of which the other side is connected to the frequency-selective networks 13. The transformer windings are so arranged that the voltage across winding 9 is in opposition to that across winding 5. The compensating network 15 is arranged to produce complete neutralization of the injected control current at the middle one of the three control frequencies when the remote controller at the calling substation is inoperative. In a modification, Fig. 2 (not shown), compensating network 15 is connected to a second primary winding of transformer 8 instead of directly to the frequency-selective networks 13. In a further embodiment, Fig. 3 (not shown), two compensating networks form adjacent arms of a bridge circuit.
Patent GB-286156-A (GB)
Title: Improvements in combination garment for feminine wear
IPC: A41C1/06
Filed: 1927-08-08
Abstract: 286,156. Dehn, F. B., (Franco Corset Co.). Aug. 8, 1927. BrassiÞres; corsets. - A combined corset and brassiÞre is made with the two portions b, c of the garment detachably united by means of hooks h and eyes e or other fastenings. Upward extensions c<3> and an overlapping top are provided on the corset portion c of the garment and form a pocket for the attaching means.
Patent GB-1037655-A (GB)
Title: Di(aralkyl)amines
Inventor: GOOTJES JOHAN
Filed: 1964-05-20
Abstract: New compounds of formula <FORM:1037655/C2/1> where R1 is lower (1-6 C) alkyl, R2 is halogen, R3 is hydrogen or lower alkyl, and m and n are each 1-4, and non-toxic acid addition salts thereof, are prepared by reacting a dialkoxyphenalkylamine and a compound X.CO.(CH2)n- 1PhR2, X being halogen, to form an amide of formula <FORM:1037655/C2/2> and reducing the carbonyl group, optionally followed by reaction with an alkanoyl halide to form an N,N-disubstituted amide which is reduced. Processes also mentioned are (I) performing the second acylation-reduction above as a first step to yield a compound (R1O)2-Ph-(CH2)m.NH.alkyl which can then either by acylated and reduced or reacted with a compound X(CH2)nPhR2, and (II) reacting compounds (R1O)2-Ph-(CH2)m-X and alkyl.NH.(CH1)n-Ph-R2.  Pharmaceutical compositions comprise the new compounds with carriers.  Oral and parenteral preparations having analgesic, sedative and anaesthetic-potentiating activity are mentioned.
Patent GB-895027-A (GB)
Title: Therapeutic tetracycline compositions
IPC: C07C233/00
Filed: 1960-06-14
Abstract: Non-toxic acid addition salts of N-(1-pyrrolidinylmethyl) tetracycline are prepared by reacting the tetracycline base with the appropriate acid.  Specified salts are the hydrochloride, sulphate, sulphamate, tartrate, hydrobromate, hydriodate, glycolate, citrate, maleate, phosphate, polyimido-phosphate, succinate, acetate and ascorbate.  Specifications 809,585 and 817,180 are referred to.ALSO:A substantially anhydrous therapeutic composition for intramuscular injection when dissolved in sterile water or saline, comprises N-(1-pyrrolidinylmethyl) tetracycline, or a non-toxic salt thereof, and a non-toxic acidifying agent in a sufficient amount to produce a pH of not more than 4 when the mixture is dissolved for use.  The acidifying agent may be (a) an a -hydroxy-carboxylic acid containing no elements other than carbon, hydrogen and oxygen, e.g. citric, gluconic, tartaric, maleic, malic, ascorbic, mandelic and pyruvic acids; (b) carbamide phosphoric acid; (c) glycine hydrochloride; (d) glutamic acid hydrochloride or (e) sulphamic acid.  Suitable salts of N - (1 - pyrrolidinylmethyl) tetracycline are the hydrochloride, sulphate, sulphamate, tartrate, hydrobromate, hydriodate, glycolate, citrate, maleate, phosphate, polyimidophosphate, succinate, acetate and ascorbate.  A local anaesthetic such as procaine hydrochloride and lignocaine hydrochloride may also be present.  Mixtures providing a pH of 3 to 4 and especially pH 3.4 are preferred.  The preparations provide high blood levels of tetracycline.  Specifications 809,585 and 817,180 are referred to.
Patent GB-1441205-A (GB)
Title: Model vehicle track sections
IPC: A63H18/02
Filed: 1974-05-11
Abstract: 1441205 Toy vehicle track sections AURORA PRODUCTS CORP 11 May 1974 20937/74 Heading A6S A track section for toy vehicles, to be connected to like track sections, has at each end a hook 56 and a recess 66, with a hole 74 in the recess wall 70 to accept a hook on an adjacent track section, the track sections being slidden together laterally, a detent tongue and slot 78, 80 on the end of the section simultaneously snapping together with a like slot and tongue on the engaged section to hold the two sections together. Grooves 40, 40 may each guide a vehicle along the track. Two conductor strips 50, 50 lie on opposite sides of each guide groove 40, and have tabs 52', &c. to contact corresponding tabs on the engaged track sections. The track section is made of plastics, &c. The connection between adjoined sections permits slight angular misalignment, Figs. 7, 8 (not shown) in the vertical plane.
Patent GB-647351-A (GB)
Title: Improvements in or relating to burners for gas heated appliances
Inventor: BARBER FREDERICK THOMAS
IPC: F23D14/00
Filed: 1947-08-01
Abstract: 647,351. Making burners. PARNALL (YATE), Ltd. Aug. 1, 1947, No. 20980. [Class 83 (ii)] [Also in Group XI] A gas burner comprises a plurality of perforated elongated U-shaped burner tubes connected to a main supply manifold which provides the sole support therefor. The manifold is of box section built up from two L-section lengths of strip sheet metal 2 and 3 brazed or pressed together, the wall 3 being punched on one flange with a series of equally spaced holes to receive the burner tubes 4, and on the other flange with a hole to receive a gas-feed pipe 5. The burner tubes 4, punched with suitably spaced jet holes, may be of' circular or elliptical cross section and are bent into the form of an elongated U so that the open ends are spaced slightly more than the holes spacing in the manifold to render unnecessary the use of special holding means when fixing. The tubes may be pressed, brazed, or expanded after insertion in the holes of the header wall. An alternative method of manifold construction, Fig. 5 (not shown), consists in forming three walls from one length of sheet metal bent to shape and secured to a strip length of metal forming the fourth wall. The U-bends may be secured to a spacing and aligning rod 9.
Patent GB-962577-A (GB)
Title: Vibration responsive valve assembly
IPC: F16K17/36
Filed: 1961-06-09
Abstract: 962,577. Valves. AMOT CONTROLS CORPORATION. June 9, 1961 [June 20, 1960], No. 21007/61. F2V. A valve member 41 is located in a sleeve 21 in a horizontally disposed casing part 3 having ports 11, 13, 15, 17 and is normally held in the position shown against the pressure of a loading spring 63 by an inertia pendulum member 83, 71. If the valve member is freed by movement of the member, 83, 71 due to vibration of the casing 1, 3 it is moved to its other position by the spring 63. The member 83, 71 has a conical surface 75 so that it may be returned to its initial position by an annular piston 99 which has a complementary surface 101 and which is movable by fluid pressure supplied through the passage 115.
Patent GB-826603-A (GB)
Title: Improved toilet pan for water closets, urinals and the like installations
IPC: E03D11/02
Filed: 1958-07-01
Abstract: 826,603. Disinfecting closets &c. KRENZER, E. July 1, 1958, No. 21016/58. Class 26. In a toilet pan for water closets urinals and like installations at least one container 3, Fig. 1, is formed on or within the wall of the pan 1 beneath the flushing inlet 2 and adapted to receive a deodorising or disinfecting medium, having outlet openings 5, Fig. 2, communicating with the interior of the pan 1 and formed from the same material, and integrally with, the pan 1. The container may be in the form of a grid-like protuberance in the pan, which may have an open top. The wall 3 may be perforated so that flush water can enter the chamber and then flow out. The chamber 13, Fig. 6, may be on the back of the pan wall 14 with perforations 15 and 16, one for entry and one for exit. The base of the container 13 has ribs 17 to support the medium 18 and may have a direct supply of water from the inlet 2 and an external sealable opening at one end. Outlet perforations in a wall may be smaller in crosssection than the inlet ones or fewer in number.
Patent GB-1339398-A (GB)
Title: Discharge lamp circuit arrangement
IPC: H05B41/24
Filed: 1972-05-05
Abstract: 1339398 Supply circuits for discharge lamps PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 5 May 1972 [8 May 1971] 21027/72 Heading H2H A supply circuit for a low pressure mercury vapour lamp 3 includes a switch 11 to enable current to flow through the lamp for W seconds and to switch off the current for R seconds such that 0À35 < W/W + R < 0À65 and 2## E  < W+ R < 2## D  where # E  is the energy relaxation time of the electrons in the discharge lamp and # D  is the diffusion time of the electrons in the discharge lamp. The lamp, which also contains argon and neon at a maximum total pressure of 6 Torr, is connected across the diagonal of a bridge inverter circuit including transistors 7- 10 supplied from D.C. terminals 1, 2 via the switch 11 which comprises a transistor. A circuit 12 supplies control signals to terminals a-i so that an alternating current flows intermittently through the lamp at a high frequency.
Patent GB-1200576-A (GB)
Title: Process for removing non-aromatic hydrocarbons from an aromatic hydrocarbon-containing stream
Inventor: VANDERKOOI WILLIAM NICHOLAS
IPC: C07C1/00
Filed: 1969-04-24
Abstract: 1,200,576. Purifying aromatic streams. DOW CHEMICAL CO. 24 April, 1969 [26 April, 1968], No. 21073/69. Heading C5E. C 6-13  aromatic hydrocarbon streams containing non-aromatics of similar boiling range, the aromatics comprising 5-99% of the total, are pyrolysed at 600-1000‹ C. for a residence time sufficient to convert the non-aromatics either to aromatics or to materials boiling lower than the C 6-13  aromatics. Steam may be present, and the aromatics themselves may be partly changed. Reactions taking place appear to include cracking, aromatization, dealkylation, and conversion of benzene to diphenyl. Examples give detailed analyses of feeds and effluents.
Patent GB-479055-A (GB)
Title: Improvements in or relating to shift mechanism for typewriters and printing telegraphs
IPC: B41J11/14
Filed: 1936-07-30
Abstract: 479,055. Typewriters &c. NICHOLS, H. J. July 30, 1936, No. 21132. [Class 100 (iv)] Case-shift and platen-shift mechanisms ; shiftkey actions.-The shift-key operates a pawl or draw-bar co-operating with a rock-arm in connection the type-basket or, alternatively, the platen, and resilient means is provided for throwing over the pawl and thereby causing successive depressions of the shift-key to effect shift and return. In the mechanism shown in Fig. 1, the type-basket 34 is connected by a link 30, bell-crank 27, and link 25 to an arm 22 which is pivoted at 23 and has pins 20, 21 for engaging the head 18a of a pawl or draw-bar 18 in connection with the shiftkey lever 12. Springs 40, 42 secured to the arm 22 and link 30 have fingers 40b, 42b for' engaging the lower and upper edges of the draw-bar 18 respectively. When the typebasket is in normal position, the arm 22 rests on a stop 43, and the head 18a engages the pin 20. On depression of the shift-key 11, the arm 22 is raised, the toggle constituted by the link 30 and bell-crank 27 is straightened, the type-basket is raised and locked, the draw-bar 18 is raised by the finger 40b, and the head 18a abuts on the bottom of the pin 21. On release of the shift-key, the draw-bar is returned and raised further, and the head hooks over the pin 21. When the shift-key is again depressed, the arm 22 is depressed, the typebasket is returned, and the finger 42b, aided by gravity, depresses the draw-bar, the head dropping on to the pin 20. On release of the shift-key, the draw-bar is returned and the head hooks over the pin 20. The springs 40, 42 can be replaced by a pair of wire-springs secured to the end of the arm 22 and cooperating with a roller on the draw-bar 18, or by a pair of coiled springs arranged between a pair of pins on the arm and a common pin on the draw-bar. In another arrangement, a single wire-spring secured to the arm has a limb engaging a swivel on the draw-bar. The shift-key lever 12 may be associated with relay mechanism.
Patent GB-1033195-A (GB)
Title: Chain creeper with elastic flight attachment for forward movement of trucks running on rails
Inventor: NICKEL WERNER
IPC: E21F13/02
Filed: 1963-05-27
Abstract: 1,033,195. Mechanical creepers. SCHUCHTERMANN & KREMER-BAUM A.G. FUR AUFBEREITUNG. May 27, 1963, No. 21168/63. Heading B7L. A mechanical creeper has drivers for frictionally engaging and moving a truck, each driver comprising a base 2 welded to chain links 4, a plate 6 having side stops 7 to prevent lateral movement relative to base 2, and a box-shaped member 1, 5 having end extensions 11 for engagement beneath base 2; a rubber or rubber-like member 3 is compressed between member 1, 5 and plate 6. Slots 9, 10 in side plates 5 and base 2 enable arms 81 of a clamp 8 to engage plate 6; to insert a new driver, clamp 8 compresses member 3 between plate 6 and member 1, 5 until the side stops 7 can be raised above base 2, the driver can then be slid laterally; on release of the clamp the three parts of the driver can be separated for renewal.
Patent GB-882958-A (GB)
Title: Catalytically active material
IPC: C10G45/04
Filed: 1960-06-17
Abstract: Hexagonal crystalline molybdenum disulphide wherein 1 to 10% of the molybdenum atoms are replaced by atoms of metals having at least two valency states, is prepared by impregnating molybdenum trisulphide with an aqueous solution of a soluble compound of the metal in appropriate amount, drying the impregnated trisulphide and then reducing it to the modified disulphide at above 400 DEG C. in a mixture of hydrogen and hydrogen disulphide.  The metal having at least two valency states may be iron, cobalt, nickel, copper or gallium.  The modified molybdenum disulphide may be used to catalyze the hydrodesulphurization of sulphur-containing hydrocarbon fractions, e.g. naphtha, kerosene, heating oil, gas oil and lubricating oil, at 400 DEG  to 1,000 DEG F., 0 to 1,000 p.s.i.g. pressure, a feed rate of 0,1 to 10 v/v/Hr, and a hydrogen rate of 100 to 10,000 cubic feet of hydrogen per barrel of feed.  In examples, molybdenum trisulphide is prepared from ammonium molybdate, impregnated with cobalt acetate solution, reduced to modified molybdenum disulphides, and these are used to convert thiophene into butanes and butenes, and to hydrodesulphurize a gas oil.
Patent GB-1089932-A (GB)
Title: Can openers
Inventor: RUDMAN JACK
IPC: B67B7/46
Filed: 1963-05-29
Abstract: 1,089,932. Can openers. RUDMAN, DARLINGTON & CO. Ltd. April 22, 1964 [May 29, 1963], No. 21426/63. Heading B8D. In a can opener of the type described in Specification 21425/63 having an abutment 21 on a spring-pressure lever 24 for forcing the underside of the can rim against the periphery of a feeding wheel 14, the lever 13 which lowers the feeding wheel away from the cutting wheel into its inoperative position, to allow the insertion of the can rim between them, has its shank formed as a cam 36 cooperating with the spring-pressure lever 24 so that the initial downward movement of the lever 13 raises the spring-pressure lever 24 above its rim-engaging position and maintains it in the raised position during the remainder of the movement to afford free access to the periphery of the feeding wheel 14. The abutment 21 comprises a projecting pin on the U-shaped lever 24 pressed downwardly by a spring 28, the lever also carrying a roller 33 co-operating with cam disc 36. When the lever 13 is in its operative position, the roller 33 engages a depression 37 on the cam disc 36 so that the pin 21 bears down on the upper surface of the can rim, but at any other angular position of the lever 13 the spring-pressure lever is raised well clear of the feeding wheel.
Patent GB-1112883-A (GB)
Title: Hydrocarbon dehydrogenation catalyst and process
IPC: B01J23/16
Filed: 1965-05-20
Abstract: Hydrocarbon dehydrogenation processes may be carried out at 500 DEG to 750 DEG  C. in the presence of a catalyst comprising at least one bismuth compound on a support composed of material which has a pore size distribution such that at least 60% of the total pore volume is contributed by pores having diameters in the range 1000A to 8000A (see Division B1).  Supports referred to are calcium phosphate, magnesium phosphate, calcium nickel phosphate and sintered alumina. There is specific reference to the dehydrogenation of butene-1 and butene-2 to butadiene, isoamylene to isoprene, ethyl benzene to styrene, and of a mixture of n-butene and isoamylene; and to the dehydrogenation in the presence of molecular oxygen of C3 to C8 paraffinic hydrocarbons, for example butanes to butenes and butadiene, and of C5 to C7 cycloalkanes.  The reactions are preferably carried out in the presence of steam which may be used in amounts between 5 and 40 V/V. Examples refer to oxidative and non-oxidative dehydrogenation of butene-1.ALSO:A hydrocarbon dehydrogenation catalyst comprises at least one bismuth compound on a support composed of material which has a pore size distribution such that at least 60% of the total pore volume is constituted by pores having diameters in the range 1000-8000A, or which will acquire such pore size distribution when heated in the absence of the bismuth compound to a temperature of at least 500 DEG C.  The amount of bismuth compound may be 1% to 80% by weight based on total catalyst. Support exemplified are calcium nickel phosphate, calcium phosphate, magnesium phosphate, sintered alumina.  The catalyst may also contain 0.5% to 5% by weight chromic oxide.  The bismuth compound which may be the oxide, hydroxide, chloride, phosphate, sulphate, phosphomolybdate or phosphotungstate may be incorporated in the support by (a) dry mixing of the bismuth compound and the support (b) coprecipitation (c) impregnation of the preformed support with an acidic solution of the bismuth compound(s).  The catalyst may be used in a cyclic process comprising alternate dehydrogenation and regeneration reactions.
Patent GB-224027-A (GB)
Title: Improvements in, or relating to, electric switches
IPC: H01H9/38
Filed: 1923-08-27
Abstract: 224,027. Preston, W., (trading as Sanders & Co., W.). Aug. 27, 1923. Switches, quick-break. - In switches of the type comprising a main blade and a rapid-moving spark-taking blade pivoted to it, the contact arm proper is provided with a separate lug or projection which is secured within a slot or opening in the contact arm and pivotally carries the spark blade. As shown, the main blade is formed with a dove-tailed slot in which the correspondinglyshaped end f of a lug is secured by being driven home laterally, or by other means such as brazing. The spark blade consists of a strip of metal e bent upon itself so as to form an elongated U. The lug passes between the arms of the U and a pivot pin is passed through the arms and through the lug. The closed end of U-shaped spark blade is cut off at an angle, as shown at 1, in order to limit the relative movement of the main and auxiliary blades which are connected by the helical spring j. By duplicating the spark blades, one on either side of the main blade, and connecting the two spark blades by a single helical spring the switch may be employed as a two-way switch.
Patent GB-1330721-A (GB)
Title: Nacreous mica pigment compositions
IPC: C09C1/00
Filed: 1971-04-19
Abstract: 1330721 Nacreous pigments E I DU PONT DE NEMOURS & CO 19 April 1971 [13 Feb 1970] 21709/71 Heading C4A A nacreous pigment consists of mica flakes coated with a 20-250 millimicron layer of metal oxide of less than 0À1 micron particle size, and further containing 3À5-25% by wt. of SiO 2  associated with the oxide layer and deposited from a soluble silicate. The pigment is obtained by treating an aqueous suspension of mica flake first to deposit hydrous metal oxide thereon, and then with a soluble silicate in an amount to give a pH of 7-11À5, and calcining the treated flakes. The oxide is preferably TiO 2  or ZrO 2  and the silicate sodium. The mica may be of particle size -140 U.S. mesh down to 5 microns and may be white muscovite, biotite, vermiculite or a synthetic mica. Calcination is effected at 800-1000 C.
Patent GB-149340-A (GB)
Title: Improvements in process and apparatus for the purification or washing of gases
IPC: B01D47/06
Filed: 1920-07-21
Abstract: 149,340. Kn÷pflmacher, A., and Adler, R. April 12, 1919, [Convention date]. Washers.- Gases entering the admission pipe 2 are injected by a jet 10 into a chamber 14 where they are mixed with spray from the jet and a foam is produced, owing to tar in the liquid, in the case of distillation gases. A counter spray from a nozzle 7 is projected against the upwardly directed spray and the liquid is caused to fall in the form of rain into the bottom 12 of the chamber 14. The depth of liauid in the receptacle 12 is governed by an overflow 13 which leads to a tank 4 from which the liquid is supplied by a pump 5 and pipe 8 to the nozzles 7 and 10. A spray 11 prevents coarse particles in the gas from entering the chamber 14. The purified gas leaves by an outlet 15.