baber/WOPTO huggingface dataset:
Patent GB-618680-A (GB)
Title: Improvements in or relating to radio aerial systems
IPC: H01Q11/06
Filed: 1946-08-01
Abstract: 618,680. Aerials. PHILIPS LAMPS, Ltd. Aug. 1, 1946, No. 22927. Convention date, Oct. 22, 1942. [Class 40 (vii)] An aerial system comprises a rhombic aerial terminated by an impedance formed by a dipole aerial the feeding end of which is directly connected to the terminating end of the rhombic aerial. The rhombic aerial comprised of conductors 2, 21 of lengths 4# is connected to a transmitter 4 (or receiver) and the terminating end 5, 5<1> is connected to a dipole comprised of conductors 6, 6<1> each of length A/4 and earthed at the free ends and having an input impedance equal to the surge impedance of the rhombic. The main direction of radiation from both aerials may be made to coincide (e.g. in direction of arrow 7) by correct choice of the angle between conductors 2, 6 and 21, 61. In an alternative arrangement (Fig. 2, not shown), the sides of the rhombic that are connected to the dipole are crossed so that the free ends of the dipole are brought adjacent and may be connected together without the need of an earth connection. In a further arrangement (Fig. 3, not shown), the sides of the rhombic connected to the transmitter are crossed similarly to the sides connected to the dipole. The #/2 dipole may be replaced by a dipole of other suitable length (e.g. #) or by one having conical limbs. The arrangement described, which avoids the use of a transmission line for interconnecting the aerials is stated to reduce or prevent variation of efficiency with frequency.
Patent GB-1213620-A (GB)
Title: Improvements in or relating to data transmission systems
IPC: H04L12/54
Filed: 1969-05-06
Abstract: 1,213,620. Digital transmission systems. SIEMENS A.G. 6 May, 1969 [7 May, 1968], No. 22932/69. Heading H4P. Received messages of various priorities are distributed to the appropriate receiver S1, S2 or S3 by the circuit shown. Each message consists of one or more n-bit words, the first word including a Start signal and a priority signal, and the last word including an End signal. A message of one priority can be interrupted by a message of higher priority. When a message ends the most recently interrupted message resumes. Thus, as shown, a first message consisting of words Z11- Z14 and having priority P3 is interrupted by message Z21-Z24 having priority P2, this message itself being interrupted by message Z3 having priority P3. Each received word is stored at R, and D1 determines whether a Start or End signal is present and sets bi-stables Ka, Ke accordingly. If a Start signal is present D2 examines the priority signal and sets bi-stable K1, K2 or K3 accordingly, the latter controlling unit V to pass the word from R to the receiver S1, S2 or S3 of appropriate priority. K1-K3 also control unit L which, when an End signal is received, resets that one of K1-K3 which represents the priority of the message just ended so that the next word received is passed by V to the appropriate receiver. Ka, Ke are reset whenever a word is read from R.
Patent GB-517676-A (GB)
Title: Improvements in and relating to electric control systems for dynamo-electric synchronous machines
IPC: H02J3/42
Filed: 1938-08-03
Abstract: 517,676. Control of AC. motors. BRITISH THOMSON-HOUSTON CO., Ltd. Aug. 3, 1938. No. 22963. Convention date, Aug. 5, 1937. [Class 38 (iii)] The excitation of a sychronous machine is controlled in response to the armature current pulsations produced by weakly exciting the field winding while the machine is operating at subsynchronous speeds. A motor 1 is run up to speed with its armature connected to the supply and its field 4 connected in a closed circuit with resistance 7 and a relay 15 responds at a predetermined speed, in response to the pulsations produced in the armature current by the relative movement between the field poles and the rotating armature field to control a relay 24 and effect full excitation of the motor field 4. The field is weakly excited during the starting period through resistance 11 so that different armature current pulsations are produced by a field pole of one polarity passing like and unlike poles of the rotating armature field, and the relay 15 responds, at a predetermined speed, to the pulsations of armature current, when a predetermined magnetic angular relationship exists between the motor field poles and the rotating armature field.
Patent GB-386022-A (GB)
Title: Process of treating carbonaceous articles
IPC: C04B35/573
Filed: 1931-08-14
Abstract: Carbonaceous articles such as electric resistance rods are formed with a surface of silicon carbide by embedding them in a mixture of silica and carbon and heating them in an induction furnace.  The silica is in the form of flint to which beach sand may be added and the articles are heated to a temperature of between 3180 DEG  F. and 6000 DEG  F.  Proportions of flint to carbon are given in the Specification and in one method of coating a graphite crucible the article is packed with the mixture of flint and coke into a quartz cylinder which is placed centrally in an induction furnace.  The Specification as open to inspection under Sect. 91 describes a method in which carbon rods are coated by embedding them in a mixture of flint and carbon and passing an electric current directly through them.  This subject-matter does not appear in the Specification as accepted.ALSO:Carbonaceous articles such as electric resistance rods are formed with a surface of silicon carbide by embedding them in a mixture of silica and carbon and heating them in an induction furnace.  The silica is in the form of flint to which beach sand may be added and the articles are heated to a temperature of between 3,180 DEG  F. and 6,000 DEG  F.  Proportions of flint to carbon are given in the Specification and in one method of coating a graphite crucible the article is packed with the mixture of flint and coke into a quartz cylinder which is placed centrally in an induction furnace.  The Specification as open to inspection under Sect. 91 describes a method in which carbon rods are coated by embedding them in a mixture of flint and carbon and passing an electric current directly through them.  This subject-matter does not appear in the Specification as accepted.
Patent GB-1347052-A (GB)
Title: Controlling rolling mill operation
IPC: G06N20/00
Filed: 1971-04-19
Abstract: 1347052 Rolling mills WESTINGHOUSE ELECTRIC CORP 19 April 1971 [20 March 1970] 23204/71 Heading B3M [Also in Divisions G4-G6] A rolling mill is controlled by a digital computer such that a currently rolled workpiece has its mill settings at least partially determined from the results of previously rolled workpieces. The rolling mill.-Metal workpieces (e.g. steel) are heated in furnaces 12, 14, passed through a reversible single or multi-stand roughing mill 16 a number of times until their thicknesses are considerably reduced (e.g. from 5-10 inches to 1-1¢ inches) and then passed through a 7 stand tandem finishing mill 18 including tension controlling looper rolls and a down coiler 20 in which their thicknesses are further reduced (e.g. to 0À050-0À500 inch). The final thickness is measured by an X-ray thickness guage. The computer.-Data is entered from source 24 (e.g. on a punched card) which indicates the workpiece dimensions, the workpiece grade or alloy and the desired thickness for each pass or stand of the mill. The computer 22 determines the number of passes to be taken in roughing mill 16, the actual thickness of the workpiece at each stand in mill 18 and the speed of the workpiece in mill 18. A predicted operational relationship for the mill is calculated for the workpiece, then a correction is calculated using information learned from earlier workpieces and then a repredicted relationship is calculated from the predicted relationship and the correction. The correction is calculated using the formula FM/P = the correction factor = a 0  + a. In R/H where a 0 , a 1  are learned parameters, R is the roll radius and H is the entry height of a particular workpiece.
Patent GB-355003-A (GB)
Title: Sliding bolt
IPC: E05C1/04
Filed: 1930-08-01
Abstract: 355,003. Sliding bolts. WEBER, K., 106, Hochstrasse, Hagen, Westphalia, Germany. Aug. 1, 1930, No. 23215. [Class 44.] A sliding bolt e, adapted to cover the baseplate b, is provided at the front end with a slot l and the remaining flaps i are bent down to form an abutment for engaging an upwardly bent resilient tongue d on the baseplate when the bolt is in the inoperative position, the slot l permitting the tongue d to be depressed for removing the bolt from the baseplate. The flaps i may be rigid or resilient. A blade spring k cut out of the baseplate presses against the slide.
Patent GB-583722-A (GB)
Title: Improvements relating to snap-action electric switches of the enclosed type
IPC: H01H21/40
Filed: 1944-11-22
Abstract: 583,722. Snap - action switches. MIDLAND ELECTRIC MANUFACTURING CO., Ltd., and VICARY, A. W. Nov. 22, 1944, No. 23225. [Class 38 (v)] An enclosed snap-action switch having contacts carried by a spindle actuated by an external handle which interlocks with the lid of the switch casing, is provided with a spring catch which engages a projection on the spindle and is so arranged that if the spindle is removed and replaced incorrectly proper engagement is effected on the first subsequent actuation of the switch. Figs. 1 and 3 show a switch having a removable spindle d provided with a spigot c which engages a socket in a stub axle b. The axle b carries a handle h which has a limited freedom of movement on the axle and interlocks with the lid when the switch contacts are closed. Secured to the axle b are two plates m to which is pivoted a snap-action toggle lever arrangement n. The spring catch comprises a wire spring s surrounding the axle b between the plates m to which one end of the spring is anchored, the other end being supported by a stop u fixed to the plates m. The end of the spring terminates in a hook t which engages a projection w on an arm v carried by the spindle d. The arm v is formed with a gap x in which lies a projection y extending from the plates m. The projection y imparts the necessary rotation to the spindle d to open and close the contacts when the axle b is rotated. When the spindle, after removal, is to be replaced, it is not necessary to engage the projection w with the hooked end t of the spring catch. As the handle h is moved to the closed position the spindle d will rotate till the moving contacts are temporarily arrested by the fixed contacts whereupon continued movement of the plates m and catch will cause the hooked end t of the Catch to ride over the projection wand effect proper engagement. Fig. 6 shows a modification in which a coiled spring p engages the lever n directly to form the snap-action device and in which the projection w on the arm v engages in a gap x in the plates m.
Patent GB-153432-A (GB)
Title: Improvements in or relating to cameras
IPC: G03B17/12
Filed: 1919-09-22
Abstract: 153,432. Scamaton, W. Sept. 22, 1919. Cameras for plates and flat films; enlarging.-To enable near objects to bE photographed, a box exten. sion 5 is adapted to be at. tached to the camera ir place of the dark-slide and has slides 9 at the other end for the dark-slide. The extension may alternatively comprise a frame having a back and front portion connected by light-excluding bellows and fitted with a rack and pinion or other focusing-mechanism. Reference has been directed by the Comptroller to Specification 12772/84.
Patent GB-651442-A (GB)
Title: Detachable hitching or conveying device
Inventor: LESTER DUDLEY ROGER
IPC: B61J3/04
Filed: 1948-09-03
Abstract: 651,442. Reciprocating rope-driven conveyers. DOWSETT ENGINEERING CONSTRUCTION, Ltd. Sept. 3, 1948, No. 23295. [Class 78 (i)] A detachable hitching device is adapted to be secured to a moving haulage cable for mechanically coupling thereto moulds so as to move them along a production line, and carries a towing box pivoted about a vertical axis on the device and having securing means to secure the box rigidly on the device in either of two positions so that the position of the box may be reversed, the box carrying two arms pivotally spring controlled so that they project from the device and push the moulds in one direction and can be folded into the box in the other direction. As shown, framework 12 is adapted to be clipped to a moving rope at 14 and carries box 15 and box 25. Box 15 formed of sides 15, 16, 17 is pivoted on the framework 12 at 18 and carries spring-operated pin 19 for securing the box by means of holes 20 in either reverse position. The box carries arms 23, each pivoted at 18 and spring-tensioned at 24 against a stop, not shown, so that arms 23 push moulds to the right, or, when reversed to the left. Box 25 however is fixed to framework 12 and carries arms 26 pivoted at 27 and operated through links 28, crosshead 29 and links 30 by lever 31. When the framework is pulled by the rope, arms 26 push an empty mould to a filling hopper, which hopper strikes lever 31 to release the mould. Box 15 thus moves a pair of moulds as far as the device goes but box 25 moves a pair of moulds only up to the point where lever 31 is tripped. Specifications 572,385, 572,387, 572,390 and 572,391, [all in Group V], are referred to.
Patent GB-491905-A (GB)
Title: Improvements in and relating to the production of articles by pressing and/or rolling from zinc base alloys and articles so produced
IPC: C22C18/04
Filed: 1937-08-25
Abstract: An alloy for use in the production of pressed and/or rolled articles, comprises 10-15 per cent of aluminium, 1,5-4 per cent of copper and 0,01-0,04 per cent of magnesium, the remainder being zinc of at least 99,98 per cent purity.  British Specification 378,645 and U.S.A. Specifications 1,540,006 and 1,945,288 are referred to.  Zinc alloys containing (a) 5 per cent of aluminium and 0,8-2,5 per cent of copper, and (b) 3-5 per cent of aluminium and a small amount of magnesium are also referred to.
Patent GB-360054-A (GB)
Title: Improvements in and relating to hair waving apparatus
IPC: A45D4/10
Filed: 1930-08-05
Abstract: 360,054. Hair - waving appliances. KAHLHOFER, H., 8A, Lambrechtsgasse, Vienna. Aug. 5, 1930, No. 23398. Convention date, Aug. 3, 1929. [Class 131.] A hot air heating appliance 1 for hair curlers is formed of U-shaped cross section so that it can be placed over the curler 2 which is carried by a hair grip or clamp 3. Hot air is admitted to the appliance 1 through a central inlet 5 and, after passing around the baffles 7, leaves the appliance through outlets 6.
Patent GB-915348-A (GB)
Title: Improvements in and relating to electro-magnetic brakes
Inventor: LANES CLARENCE
IPC: F16D59/02
Filed: 1961-06-28
Abstract: 915,348. Electromagnetic brakes. BREVETS AERO-MECANIQUES S.A. June 28, 1961, No. 23403/61. Addition to 902,155. Class 103 (1). The device of the parent Specification for maintaining a constant gap in an axiallyapplied electromagnetic brake is modified in that a toothed engagement is provided between the screw-and-nut and the spacer sleeve to positively prevent incorrect adjustment due to vibration. As shown, the spacer sleeve O carries a toothed ring M which is adjustable along it to determine the clearance, and is secured in position by a lock-nut assembly N. The nut I is also toothed, the two sets of teeth K, L being of complementary saw-tooth form. Bias of the screw-and-nut assembly in the clearance-reducing direction is provided by a tension spring 28. The sleeve O may be fixed to the member 13 or, as shown, may be relatively movable by a sliding connection provided by a flange of the sleeve and a pin P on the member 13, a spring Q normally maintaining the flange in contact with the member 13. In either case, operation of the brake results in opening and closing of the teeth K, L, which is initially insufficient to disengage them, but does so after appreciable wear of the linings 2a has taken place, upon which the nut is rotated to reduce the clearance. Where a movable sleeve O is provided, as shown, should the teeth K, L clash end-on during subsequent energization of the magnet, the sleeve O moves relative to the member 13 against the pressure of spring Q so that release of the brake is not prevented.
Patent GB-1106665-A (GB)
Title: Improvements in assembling electrochemical cells to form a battery
IPC: H01M6/44
Filed: 1965-06-02
Abstract: 1,106,665. Electric cells. SOCIETE DES ACCUMULATEURS FIXES ET DE TRACTION. 2 June, 1965 [3 June, 1964], No. 23605/65. Heading H1B. A battery is assembled by embedding at least one end of a plurality of sealed cells in a plate of synthetic resin, e.g. epoxy resin. Preferably both ends of the cells are embedded in such plates, one of which protects the intercell connections. Information may be impressed or etched on the plates.
Patent GB-311155-A (GB)
Title: Improvements in apparatus for indicating or regulating temperature
IPC: G01K9/00
Filed: 1928-08-16
Abstract: 311,155. Eitel, F. Aug. 16, 1928. Thermometers.-Apparatus for indicating or controlling temperature comprises a curved expansion thermometer T pivoted about an axis A so that expansion or contraction of the mercury causes angular movement of the thermometer. A contact spring S carried by the thermometer moves over a resistance W arranged in a circuit including an indicator V or a relay controlling a heating resistance &c.
Patent GB-1141024-A (GB)
Title: Compounds containing silicon
Inventor: AYLETT BERNARD JOHN
IPC: C07F9/02
Filed: 1965-06-02
Abstract: 1,141,024. Silicon-containing metal carbonyls. MIDLAND SILICONES Ltd. 20 May, 1966 [2 June, 1965], No. 23620/65. Heading C1A. [Also in Division C3] Silicon compounds having a direct silicontransition metal bond are prepared by reacting (A) a carbonyl compound of formula MMn(CO) 5-w Y w , MCo(CO) 4-w Y w  or M 2 Fe(CO) 4-w Y w  (wherein M is an alkali metal, Y is a #-bonding ligand containing an element from Group 5B of the Mendeleeff Periodic Table, and w is 0 or 1) with (B) a silicon compound of formula R a H b SiX 4-a-b  (wherein R is a monovalent hydrocarbon radical free from aliphatic unsaturation, X is chlorine, bromine or iodine, a is 0, 1 or 2, b is 1, 2 or 3 and a + b is not greater than 3. The ligand Y may subsequently be introduced into a product not containing it, if desired. The products of the above process embrace the novel classes of compounds: R x SiH y [Co(CO) 4-w Y w ] 4-x-y , R x SiH y [Mn(CO) 5-w Y w ] 4-x-y , and (R x SiH y ) x+y-1 [Fe(CO) 4-w Y w ] wherein R and Y are as defined above, x is 0, 1 or 2, y is 1, 2 or 3, w is 0 or 1, and x + y is 1, 2 or 3 in the first two of these classes, and 2 or 3 in the third. The Examples describe the preparation of SiH 3 Co(CO) 4 , SiH 2 [Co(CO) 4 ] 2 , SiH 3 [Co(CO) 3 (C 6 H 5 ) 3 P], and SiH 3 Mn(CO) 5 . The compounds of the invention may be used to coat solid objects with an inert refractory film.
Patent GB-1072670-A (GB)
Title: Process for the manufacture of detergent compositions containing tripolyphosphate
IPC: C11D3/06
Filed: 1966-05-26
Abstract: A process for the manufacture of detergent compositions containing sodium tripolyphosphate by spray drying a slurry including the detergent components, comprises using the sodium tripolyphosphate at least partially in the form of its hexahydrate for preparing the detergent slurry.  The detergent slurry may contain other phosphates such as sodium pyrophosphate and sodium metaphosphate and the slurry is prepared at a temperature between 20-90 DEG  C. Detergents mentioned are tetrapropylene benzene sulphonate and sodium and magnesium silicate and sodium sulphate and carboxymethyl cellulose may be included.
Patent GB-346639-A (GB)
Title: Improvements in or relating to pipes for laying electric wires
IPC: B29D23/00
Filed: 1930-08-07
Abstract: 346,639. Rubber pipes. SIEMENS SCHUCKERTWERKE AKT.-GES., Siemensstadt, Berlin. Aug. 7, 1930, No. 23722. Convention date, Aug. 8, 1929. [Class 99 (ii).] A rubber pipe 2 is reinforced by a metal or other spring 3 spirally wound outside, inside, or embedded in, the rubber pipe. The helical spring 3 may consist of an electrical non- conductor such as vulcanite fibre, and may have a U- or T-shaped profile.
Patent GB-1191693-A (GB)
Title: Stabilisers for Chlorine-Containing Polymers
Inventor: ISMAIL MOHAMED ROSHDY
IPC: C08K5/3475
Filed: 1967-05-22
Abstract: 1,191,693. (N - Benztriazolyl - 2 - phenoxy) tin compounds. DYNAMIT NOBEL A.G. 22 May, 1967 [20 May, 1966], No. 23761/67. Heading C2J. [Also in Division C3] The invention comprises compounds suitable as stabilizers of chlorine-containing polymers (see Division C3) of the general formula where R is an unsubstituted or halogenated alkyl, cycloalkyl, alkenyl, aryl or aryloxy radical, R<SP>1</SP> is H or one or more unsubstituted or halogenated alkyl, cycloalkyl, aryl or alkoxy radicals or a condensed ring system, n is 0, 1, 2 or 3, Z is tin. The compounds are prepared from a phenolic benztriazole of the general formula and a compound (R) n ZY 4-n , where R, R<SP>1</SP>, n, and Z are defined above and Y is H, an O/ 2  group (related to one Sn atom) or a hydroxyl group, an alkoxy radical or an aryloxy radical or a halogen atom. When n is greater than 1, R may be the same or different, e.g. methyl, ethyl, isopropyl, n-propyl, phenyl, naphthyl, phenoxy, or α- or #-naphthoxy radicals. R<SP>1</SP>, same or different, may be hydrogen, methyl, ethyl, methoxy, ethoxy, iso-propoxy, n-propoxy. The phenolic compound may be 2-hydroxyphenyl benztriazole and the preferred reactive tin compounds are SnCl 4 , and di-n-butyltin chloride. Di-n-butyl-di-(N-benztriazolyl-2-phenoxy) tin can thus be prepared.
Patent GB-865762-A (GB)
Title: Internal combustion turbine units
Inventor: MAGIN SIDNEY HENRY ALBERT
IPC: F23R3/60
Filed: 1957-07-26
Abstract: 865,762. Generating combustion products under pressure. NAPIER & SON Ltd. July 25, 1958 [July 25, 1957], No. 23819/57. Addition to 812,404. Class 51 (1). [Also in Group XXVI] In a gas turbine power plant, as described in the parent Specification, in which the casings of the compressor and turbine are rigidly connected to one another by a stress-taking structure formed by a series of circumferentiallyspaced generally tubular combustion chambers secured to an annular . plate-like structure, the stress taking combustion chamber assembly is rigidly and permanently secured to the common turbine inlet structure which forms part of the assembly, this assembly being rigidly and detachably connected at one end to the compressor casing and at the other end to the turbine casing. The combustion chamber assembly comprises a series of one-piece tubular sheet-metal members 10 constituting the stresstaking outer walls of the individual combustion chambers, all permanently secured at their upstream ends, as by welding, to a common annular plate-like structure 11 adapted to be rigidly and detachably secured to the outlet flange of the compressor casing 14. The downstream ends of the members 10 are permanently secured, as by welding, at 17 to another plate-like structure 16. Permanently secured, as by welding to the downstream side of the plates 16, is a stress-carrying common turbine inlet structure consisting of an inner sheet-metal member 18 and an outer sheet-metal member 19. The downstream ends of the members 18, 19 are welded to an annular nozzle-ring casing 22 having a flange 34 which is bolted to the turbine casing proper 33. The nozzle-ring casing 22 forms part of the stress-taking structure. Each combustion chamber includes a flame tube 30 supported by spigots 31 and the downstream end-plate 16.
Patent GB-278172-A (GB)
Title: Improvements in or relating to firebars for furnaces and the like
IPC: F23H17/12
Filed: 1926-09-28
Abstract: 278,172. Cashman, T. W. Sept. 28, 1926. Firebars.-In a slotted or double firebar having intermediate transverse webs and recesses at the sides, the lower edges of the longitudinal webs are serrated as shown at 6, Fig. 1, and one or more apertures 7 are provided in the webs of the firebar, such apertures being staggered, if desired, with respect to those in the same or in an adjacent bar.