baber/WOPTO huggingface dataset:
Patent GB-852023-A (GB)
Title: Improvements in and relating to conveyors
Inventor: OAKMAN THOMAS HORACE
IPC: B65G21/06
Filed: 1956-04-20
Abstract: 852,023. Endless belt conveyer framework. MECHOMA (ENGINEERING) Ltd. July 22, 1957 [April 20, 1956], No. 12244/56. Class 78 (1). The framework of an endless belt conveyer is formed by two series of tubular longitudinal members extending on opposite sides of the belt and which are connected together end-to-end by plugs engageable in the adjacent ends of the tubular members. As shown, the framework consists of a driving stand 5 including a pair of tubular legs, a pair of short tubular longitudinal members 7, and driving apparatus B, a tensioning stand including a pair of tubular legs, a pair of short tubular longitudinal members 6, and tensioning apparatus T, and one or more tubular longitudinal members 10. The various longitudinal members are connected together by plugs 12 having a central flange 13 and spigoted ends engageable in the ends of adjacent longitudinal members. One or more intermediate stands 1 each composed of a pair of tubular legs and a pair of short tubular longitudinal members 3 may also be provided. The belt is supported over its working run on plates 11 secured between the members 10.
Patent GB-920810-A (GB)
Title: Preparation of interpolymers of aldehyde-modified acrylamides
IPC: C08F20/58
Filed: 1959-07-03
Abstract: Substituted acrylamides of the formula <FORM:0920810/IV(a)/1> wherein R1 is an aliphatic hydrocarbon radical containing a single ethylenic group and optionally containing substituents inert to the conditions of the reaction and/or a <FORM:0920810/IV(a)/2> group, and R is an alkyl group having sufficient carbon atoms, up to 18, to impart water-insolubility to the amide are copolymerized with one or more monomers containing a <FORM:0920810/IV(a)/3> group by heating in the presence of a polymerization catalyst in an aqueous emulsion.  The substituted amide is preferably prepared by the process described in Specification 920,809.  The examples describe the polymerization of N-butoxymethyl acrylamide in an aqueous medium containing the sodium salt of a sulphate ester of an alkyl phenoxy polyoxy ethylene ethanol, glyceryl monoricinoleate, a mixture of ammonium persulphate and potassium bisulphite and the following comonomers:- (a) acrylonitrile: (b) ethyl acrylate and styrene; (c) isoprene and styrene; (d) methyl methacrylate and ethyl acrylate; (e) methyl methacrylate and styrene; (f) glycidyl methacrylate and ethyl acrylate; and (g) styrene and chlorobutadiene.  The monomer emulsion is added gradually to the reaction vessel as polymerization proceeds. From the resulting latices films may be prepared which are cross-linkable on heating.  Specification 826,652 also is referred to.
Patent GB-1030735-A (GB)
Title: Process for the preparation of high molecular weight polyesters from lactones
IPC: C08G63/82
Filed: 1963-03-28
Abstract: Polyesters are made by polymerizing a lactone having three or at least five carbon atoms in the ring and which has been purified by distillation over an organic isocyanate using as a catalyst a mixture of an aluminium compound having at least one aluminium-to-carbon bond and water in an amount of from 0.1 to 2 mols. per mol. of aluminium compound. Specified lactones are beta-propiolactone, delta-valerolactone and epsilon-caprolactone. Specified aluminium compounds are aluminium trimethyl, aluminium triethyl, aluminium triphenyl, diisobutyl aluminium hydride, aluminium diethyl monochloride, aluminium monoethyl dichloride and aluminium diisopropyl monoisopropoxide.  Polymerization may be effected in solution, suspension or bulk.  The polyesters are soluble in benzene, toluene, chloroform and dioxane and may be used in the manufacture of lacquers, films and threads.
Patent GB-1314632-A (GB)
Title: Control apparatus for a plumbing  fixture
IPC: E03D5/10
Filed: 1971-04-30
Abstract: 1314632 Water supplies; flushing sanitary closets AMERICAN STANDARD Inc 30 April 1971 [15 May 1970] 12374/71 Heading E1C and E1X [Also in Divisions Gl and H3] Flushing of a urinal or toilet bowl is carried out automatically under the control of photoelectric apparatus monitoring the area of the fixture. When a person PR enters the field of view LP of the photocell PC 1  which may be of the cadmium sulphide or selenide type, the photocell receives less ambient light, its resistance increases and capacitor C 12  discharges to a reduced voltage lead. When the person leaves the area monitored, the capacitor recharges, producing a pulse which via diode switches on transistor Q 15 , allowing a substantial current pulse to flow therethrough and initiate the flushing of the fixture. The period of flushing is determined by the change on normally fullycharged capacitor C 29  which on production of the triggering pulse is caused to discharge. The sequence of switching of the transistors in circuit TM is Q 25 , Q 32 , Q 22  and discharge takes place via K 30 , R 31 , Q 32  and the parallel combination of D 21  and Q 22 , and continues until this discharge current is balanced by that through R 18 . During this time solenoid Y 36  is energised to actuate solenoid valve SV. To avoid transient intensity variations affecting the circuit, capacitor C 37 , which by-passes the signals resulting from such variations to earth, is provided. The photocell is mounted at the end of an internally blackened tube.
Patent GB-896524-A (GB)
Title: Improvements in gas burners
Inventor: SHERLOCK JOHN EDWARD
IPC: F23N5/04
Filed: 1960-04-07
Abstract: 896,524. Controlling gas burners. BRITISH THERMOSTAT CO. Ltd. March 8, 1961 [April 7, 1960], No. 12405/60. Class 75(1) A thermostatically operated valve 13 for controlling a gas burner is disposed at one end of a mixing-tube 4 and is connected by an operating arm 15 extending parallel with the mixing tube to a snap-action bi-metallic disc 18 in contact with the base of the burner. The heat of the burner operates the bimetal disc 18 to keep the valve 13 open. The valve 13 is contained within a housing 12 and is provided with a sealing bellows 19 and a push rod 14 engaging the arm 15. The arm 15 is pivoted at 16 and is connected to the bimetallic disc by a screw 17. The burner together with the mixing tube 4 is detachably mounted in a frame 6 by three screws 9 engaging the burner head and vertical guides engaging a groove 11 in the mixing tube. For ignition a spindle 21 is rotated to cause a pin 20 mounted thereon to engage the arm 15 to force the bimetal disc 18 into the valve-open position.
Patent GB-611277-A (GB)
Title: Improvements connected with saucepans and like cooking utensils
IPC: A47J45/07
Filed: 1946-04-26
Abstract: 611,277. Detachable handles. WALLS, Ltd., and BAYLISS, J. April 26, 1946. No. 12621. [Class 66] A plate 10 on the end of the handle 9 of a saucepan, &c., 6, slides upwardly into an open-ended frame 5 riveted to the wall of the saucepan, &c.
Patent GB-128057-A (GB)
Title: Improvements in and relating to Carbons for Electric Arc Lamps
Inventor: HEAPE WALTER
IPC: H05B31/06
Filed: 1918-08-02
Abstract: 128,057. Heape, W., and Grylls, H. B. Aug. 2, 1918. Arc-lamp electrodes.-Carbons particularly for use in search-lights are impregnated with a solution of an albuminoid or carbohydrate colloid of low viscosity, containing a compound adapted to modify or enhance the illumination, for instance an organic salt of calcium. A cerium salt may also be included. Suitable colloids are gelatine, glue, starch, dextrin, and gums such as gum arabic. The solution may contain 0.75 per cent of gelatine, or such quantities of other colloids as give a like viscosity. It is convenient to prepare stronger solutions of the colloid and the metallic salt or salts and to mix them as required. Thus, 100 parts of a calcium acetate solution of sp. gr. 1.1051 and 8 parts of a cerous nitrate solution of sp. gr. 1.208 may be mixed with 92 parts of a gelatine solution of 1.5 per cent strength. The carbons may be enclosed in a chamber which is exhausted so as to remove occluded gases from the carbons before they are immersed. After impregnation, the carbons may be reused, dried, heated gradually to 100‹ C., and baked at 1000-1100‹ C. Specification 126,673 is referred to.
Patent GB-587545-A (GB)
Title: Production of mono- and di-ª‡-substituted ª‡-alkoxy-acetic acids and of ª‡,ª‰-unsaturated esters therefrom
IPC: C07C59/125
Filed: 1944-07-04
Abstract: Mono- and dia -substituted a -alkoxy acetic acids of the general formul  R1.CH2.CH(OR4).COOH, R1R2CH.CH(OR4).COOH, R1CH2.CR3 (OR4).COOH and R1R2CH.CR3(OR4).COOH in which R1, R2, R3 and R4 represent hydro carbon radicals of aliphatic nature and in the third formula, R1 and R3 may form a ring with the a -carbon of the acid, are prepared by treating halogenated alcohols having the general formul  R1.CH2.CH(OH).CCl3, R1R2.CH.CH (OH).CCl3, R1.CH2CR3(OH).CCl3 and R1R2 CH.CR3(OH).CCl3, such as are available, for example, by the process described in Specification 587,275 with a solution of an alkali metal hydroxide in an aliphatic alcohol of the formula R4OH and acidifying the product.  The acids obtained may be converted into the corresponding amides and phenylhydrazides and into primary or secondary esters by esterification, in presence of an esterification catalyst, with the corresponding alcohols.  These esters are converted into a b  unsaturated esters by dealkoxylation on treating with a dehydrating agent either catalytically or non-catalytically, and conveniently by heating with phosphorus pentoxide and preferably in presence of polymerization inhibitors.  The products have the general formul  R1CH : CR3COOR5, R1CH : CHCOOR5, R1R2C : CHCOOR5 and R1R2 : CR3COOR5, or when, in the first formula, R1 and R3 form a ring, <FORM:0587545/IV/1> , where R5 is the radical of a primary or secondary alcohol used in the esterification.  The unsaturated esters may be prepared in a single operation by preparing the alkoxy acids as above and heating the resulting alcoholic solution thereof in the presence of concentrated sulphuric acid.  In examples: (1) a -isobutoxy methyl ethyl acetic acid was prepared by reacting trichloro-tertiary amyl alcohol (obtained from methyl ethyl ketone and chloroform) with an isobutyl alcohol solution of potassium hydroxide and acidifying with hydrochloric acid; the isobutyl ester, as well as some of the corresponding unsaturated ester isobutyl tiglate, were prepared by esterification of the alkoxy acid in the presence of sulphuric acid and tannic acid; the ester of the alkoxy acid was converted to isobutyl tiglate by heating with phosphorus pentoxide, hydrolysed, and the free tiglic acid converted to the dibromide; (2) 1-isobutoxy-cyclohexane-1-carboxylic acid, the isobutyl ester and isobutyl cyclohexene-1-carboxylate were prepared likewise from 1-trichloromethyl-cyclohexanol; and a -isobutoxy-b -ethyl heptoic acid, its isobutyl ester and isobutyl b -ethyl heptenoate from 1.1.1-trichloro-3-ethyl-heptanol-2.  Specifications 578,082 and 584,607 also are referred to.
Patent GB-149454-A (GB)
Title: Improvements in and relating to hose couplings
IPC: F16L37/248
Filed: 1919-05-20
Abstract: 149,454. Salley, T. P. May 20, 1919. Overlap joints with packing at base or mouth of socket; joints with yielding inner part expanded. -Relates to a hose pipe coupling of the k i n d comprising spigot and socket members 10, 11 having annular channels 12 into which the ends of the hose are expanded by split bands 13, the members 10, 11 being connected by pins 18 on the members 10 engaging the recessed ends 20 of inclined slots 19 in the member 11. The invention consists in the provision of an annular rabbeted portion 14, 16 on each member in which a rubber gasket 15, 17 is fitted, the end of each member being adapted to come into flat contact with the gasket carried by the other member.
Patent GB-1579365-A (GB)
Title: Piperazine and piperidine derivatives
IPC: A61P37/08
Filed: 1977-03-25
Abstract: Piperazine and piperidine derivatives of the general formula I <IMAGE> in which the substituents are defined in claim 1, as well as their salts with acids, are obtained by reacting a corresponding reactive ester with a compound of the general formula III and, where appropriate, converting the products which have been prepared into the corresponding salts using acids. The compounds of the general formula I, as well as their pharmacologically tolerated salts with acids, exhibit, for example, strong effects as antianaphylactics and antihistamines and are consequently useful active compounds in human and veterinary medicine. <IMAGE>
Patent GB-543223-A (GB)
Title: Improvements relating to systems for the transmission of sonorous and ultra-sonorous waves, particularly for use in submarine transmission
IPC: G01S1/72
Filed: 1940-08-10
Abstract: 543,223. Subaqueous sound transmission. SOC. FRANCAISE RADIO-ELECTRIQUE. Aug. 10, 1940, No. 12845. Convention date, Aug. 10, 1939. [Class 118 (ii)] Magnetostrictive subaqueous sound-transmitters M, energized in series are associated with condensers C 1  to reduce the oscillatory voltage drop in the circuit and consequently the oscillatory potentials of the windings with respect to earth. Preferably also a point of the circuit is grounded as at M. The polarizing circuit, D, l 1  ... l 4  may be omitted or may be connected to separate polarizing windings. In a circuit for use at high amplitudes it is necessary for the current to lead in the microphone circuit and the circuit as a whole is then tuned to the signal frequency by an inductance L.
Patent GB-313715-A (GB)
Title: Improvements in electrical recording instruments of the relay type
IPC: H02P7/00
Filed: 1928-05-03
Abstract: 313,715. Sandison, A. G. S., and Electroflo Meters Co., Ltd. May 3, 1928. Relay devices.-A recording instrument of the relay type is so constructed that deflectional movement of a primary moving system is adapted to cause alteration of the temperature of a resistance elemtent or elements. 1, 2 supplied with electrical current, the corresponding changes in resistance effecting alteration in the value or distribution of the electric current and causing operation of driving means for operating the recording device. A cooling-plate 3 is adapted to be moved nearer or away from the resistances and the temperature of the resistances is thereby effected. The primary moving system is adapted to operate on a spindle 5, Fig. 2, on which is mounted the cooling-plate 6 disposed between two resistances 1, 2 mounted on a forked arm 6 pivoted on a spindle 7. The spindle 7 is arranged to operate through gearing 8, 9 a pulley wheel 11 adapted to move a pen or other recording means and is also geared with a cylindrical copper rotor 13 which is under the influence of the poles 15 of an electromagnet 16. The magnet 16 is excited by a magnetizing winding 17 and a further connection is made from the junction of the resistances 1, 2 to the mid-point of the winding 17 so as to provide a Wheatstone Bridge as shown in Fig. 1. Deflection of the primary moving system causes the vanes 3 to move towards one resistance, thereby effecting a change in the relative resistances of the two elements 1, 2 and upsetting the balance of the Bridge system with the result that the rotor 13 operates the recording means and causes the forked arm 6 to bring the resistances into neutral position with regard to the surface 3. Each resistance element 1, 2 comprises a winding of thin wire 20 such as platinum, nickel, &c. stretched around pins 21 on an insulating former 22, Fig. 4, which is resiliently attached to the arm 6 by means of screws. 25 and springs 26, as shown in Fig. 2. The resistance elements 1, 2 may be connected to the primary system if desired and the cooling surface may be mounted on the spindle 7.
Patent GB-151314-A (GB)
Title: Improvements in rotary machines for treating air or gases with liquids and vice versa
IPC: B01F3/04
Filed: 1919-05-24
Abstract: 151,31.4. Bulgin, W. J., Hall, E. A., and Searle, G. May 24, 1919. Air and gases, treating with liquids.-In rotary apparatus for treating air or gases with liquids, a centrifugal fan e, Fig. 2, drives the gas radially through screens b mounted on a rotor a dipping into liquid f<3> and mounted on a rotating shaft a'. The screens b may be moistened from a trough h supplied with liquid drawn from the lower part of the casing f by a pump g. The effective surface b may be formed of twisted or corrugated metal strips, expanded metal, metallic wool or the like, and may be conical. In the form shown in Fig. 3, a series of sections a, a<5>, a<6>, a' is shown, the gas passing radially through each. In a modification, a series of effective surfaces may be arranged concentrically around one shaft. The Provisional Specification describes also the use of wire netting, perforated sheets, rope, fabric, and basket work.
Patent GB-244340-A (GB)
Title: Improvements in or relating to wheels such as the road wheels of vehicles and to the manufacture thereof
IPC: B60B3/10
Filed: 1925-05-20
Abstract: 244,340. Goodyear, C. E. May 20, 1925. Disc wheels.-In a wheel formed of half-members a which have web portions between the half-spokes, the webs of the half-members are integrally connected together by electric welding, the edges of the half-members being extended to form a circumferential well in the rim portion of the wheel. An annular circumferential member may be fitted within the rim to close the spoke ends and strengthen the inturned rim edges as described in Specification 243,554. Liners b reinforce the hub part of the wheel as shown in Fig. 3.
Patent GB-401276-A (GB)
Title: Improvements in and relating to methods of moulding articles
IPC: B29C43/10
Filed: 1932-05-06
Abstract: In moulding articles of, or covering them with synthetic resin-bonded fabric or other fibrous material, metal powder in the form of rounded particles is used to transmit heat and pressure from the mould walls to the article, thus obviating the necessity for shaping the moulds to the configuration of the articles.  The powder used is preferably of a size to pass through a 20-mesh sieve.  In covering a bar or rod, the bar is wrapped with cloth soaked in synthetic resin, and the cloth covered with a layer of tinfoil, aluminium foil, indiarubber or other suitable material. The assemblage is then placed in a mould which provides clearance on all sides and the intervening space packed with the metal powder.  The packed mould is then placed in a heated press and heat and pressure applied to cure the resin.  The metallic powder is stated to facilitate adequate control of the temperature of the resin, due to its conducting quality.  For lining thin-walled boxes the metal powder may be placed round a central core or outside the walls of the box, the resin-soaked fabric being pressed outwards against the walls of the box in one case and the walls of the box being pressed inwards against the fabric in the other.  Specifications 9043/03 and 19482/07, [both in Class 87, Moulding &c.], are referred to.
Patent GB-890065-A (GB)
Title: Improvements in fishing reels having unidirectional increase of braking
IPC: A01K89/016
Filed: 1959-04-17
Abstract: 890,065. Fishing-reels. ROBERTSON, J. W. April 14, 1960 [April 17, 1959], No. 13153/59. Class 48. [Also in Group XXXIV] An automatic brake for a fishing-reel comprises a brake disc A contacting the line drum B of the reel and having two blade springs C having inclined surfaces engaged by projections D on the cage of the reel. When a fish pulls on the line the brake disc A is dragged round by the drum and the projections D ride up the inclined surfaces of the springs C, to increase the braking effect. The brake disc A is rotatable between two stops one of which is adjustable.
Patent GB-149903-A (GB)
Title: Improvements in electrically operated time controlled switches
IPC: H01H50/88
Filed: 1920-05-12
Abstract: 149,903. Larsen, L. J. May 12, 1920. Electro-magnetic interrupters.-Relates to electro - magnetically operated switches for stair-case lighting, i.e. in which the current is automatically cut off after a predetermined time interval. The closing movement is effected, after depression of any one of a set of pushbuttons 15, by the rise of a solenoid core 2 carrying a pin 3 which extends under a contact lever 5. The lever 5 is jointed to a shorter lever 4 which moves on a fixed pivot 7. After the lever 5 has moved into the dotted-line position, where it completes the lighting circuit through contacts indicated at 11, the further rise of the pin 3 causes the joint to straighten, and the roller end 8 to pass through a loop 13, which mechanically holds it up with the circuit closed. In the final stage of the movement, an abutment 32 lifts another pivoted lever 22 and breaks the solenoid circuit through contacts indicated at 20, 21. The core then falls and both the contact levers return to their original positions, the jointed lever being checked by a clock-work train or other delaying-device.
Patent GB-567766-A (GB)
Title: Improvements in the insulation of electrical resistance materials
IPC: H01B3/10
Filed: 1943-08-14
Abstract: 567,766. Electrolysis. WIGGIN & CO., Ltd., H., STOCKDALE, J., and RISON, D. E. Aug. 14, 1943, No. 13210. [Class 41] [Also in Group II] An insulating coating on an electrical resistance wire composed of an alloy containing chromium is produced by making the surface of the wire rich in nickel before the reduction to its final size and during or after the drawing to that size oxidizing the surface to produce the coating. The surface may be made rich in nickel by the electrodeposition of nickel or an alloy rich in nickel such as nickel-cobalt or nickel-copper alloy or by the deposition of nickel from the vapour form or the result of a chemical reaction or from a suspension of the. powdered metal in a vehicle which is subsequently removed or by treating an alloy of nickel and chromium to remove the chromium from the surface by immersion in a bath of molten borax. The nickel-coated wire may be heated in a reducing or inert atmosphere to bind the nickel to the surface before oxidizing it by treating it in air. When the wire is subjected to intermediate annealings during the final reduction to size, the binding may be dispensed with and the oxidizing effected by annealing in an oxidizing atmosphere. The wire may be composed of an alloy containing 80 per cent of nickel and 20 of chromium or 65 of nickel, 15 of chromium and 20 of iron. In an example, a nickel-chromium wire of 0.0253 inches diameter is cleaned 'by running at a speed of 50 feet per minute through a bath containing 30 ozs. per gallon of nickel chloride and 17 fluid ozs. per gallon of concentrated hydrochloric acid, the wire being treated for 30 seconds as an anode using a current density of 32 amperes per sq. ft. The wire is then washed with water and led into a plating bath where it is treated for five minutes at a current density of 28 amperes per sq. ft. in an electrolyte containing 300 gms. per litre of nickel. chloride, 30 gms. per litre of boric acid and sufficient hydrochloric acid to give a pH of 3 to 4, the operating temperature being 6.5-70‹ C. The plated wire is washed, annealed at 1000‹ C. in a reducing atmosphere and drawn down to 0.016 inches diameter. The wire is subsequently oxidized by heating in an open electric muffle furnace for 40 minutes at 850‹ C.