baber/WOPTO huggingface dataset:
Patent GB-251137-A (GB)
Title: Improvements in relay mechanism responsive to voltage control
IPC: H02H3/20
Filed: 1925-06-20
Abstract: 251,137. Wetzer, R. June 20, 1925. Charging batteries.- In voltage-controlled relays in which the movement of the contact-member is accentuated by the closing or opening of an auxiliary contact upon operation to short-circuit or insert resistance into the actuating circuit of the relay, the return movement of the contact-member is effected by means of an electromagnetic switch controlled by the contactmember; this switch increases the resistance of the relav circuit or breaks it in the first case and reduces the resistance in the second. The armature of this electromagnetic switch may control' the charging circuit of a battery across which therelay is connected. As shown in Fig. 1, the contact-member of the moving-coil maximum-voltage relay D, in addition to engaging a contact: to accentuate its movement, engages a contact d which energizes a re-setting magnet E which opens the relay circuit at contact i. The charging of the battery B is stopped at the same time at contact l. An electromagnet E<1> controls the restarting of the charge. The application to solenoid relays is similarly described. As applied to the maximum-voltage relay D, Fig. 4, the electromagnet E closes at contact i a shunt about the relay circuit resistance wand the accentuating resistance w'.
Patent GB-883529-A (GB)
Title: Ballistic armour
IPC: D03D11/00
Filed: 1957-05-21
Abstract: 883,529. Armoured fabrics. CANADA, MINISTER OF NATIONAL DEFENCE. May 21, 1957 [April 2, 1957], No. 16179/57. Drawings to Specification. Class 141 Armour for protecting the body comprises a plurality of units of fabric the extensibility of each unit being different from that of any other unit and the units being arranged in decreasing order of extensibility from the front to the rear of the armour. The different degrees of extensibility may be obtained by different methods of weaving and/or by using different kinds or sizes of fibres. The Specification shows with the aid of graphs that a given weight per square foot of the armour is capable of absorbing more energy than a corresponding weight of armour formed from a similar fabric but having a constant degree of extensibility from front to rear. A multiple weave for imparting a high degree of extensibility is described with reference to Figs. 5, 6 (not shown). A suitable fibre having a high extensibility is nylon and one having a low extensibility is a saponified acetate having the name "Fortisan X36", (Registered Trade Mark). Actual examples of armour are described having two and four units of fabric. Each unit may comprise a number of similar layers. Specification 783,001 is referred to.
Patent GB-714383-A (GB)
Title: Improvements in and relating to fishing line reels
IPC: A01K89/06
Filed: 1952-06-27
Abstract: 714,383. Disc brakes. TENGESDAL, M. June 27 1952 [June 28, 1951], No 16211/52. Class 103(1) [Also in Group VI] A finger-operated brake on the spool of a fishing reel (see Group VI) comprises a flexible brake-disc 10, e.g. of rubber or leather, housed in a circular depression 9 in the rear face of the flange 5 of the spool nave 4 so that it can be pressed against the flange by the finger of the hand gripping the handle 1 or whose neck portion 2 the spool is mounted.
Patent GB-334207-A (GB)
Title: Improvements in or relating to the manufacture of acetic acid
IPC: C07C51/12
Filed: 1929-05-27
Abstract: 334,207. British Celanese, Ltd., Green, S. J., and Handley, R. May 27, 1929. Acetic acid is obtained by subjecting vapours of formaldehyde in admixture with carbon monoxide to the action of heat. Instead of formaldehyde, its condensation products with aliphatic alcohols, for example, formal, may be employed. The reaction is preferably carried out under high pressures, preferably of 100 atmospheres or more, and temperatures between 200‹ and 450‹ C. are suitable. The presence of water vapour facilitates the reaction. Catalysts which promote the synthesis of aliphatic acids from aliphatic alcohols and carbon monoxide, such as those described in Specification 283,989 and comprising inorganic acids, inorganic acids with organic groups, or acid salts of such acids, may be present, together with promoters of such catalysts if desired. A suitable catalyst is phosphoric acid, and copper or copper compounds are suitable as promotors. The carbon monoxide may be introduced as such or in admixture with other gases for example, in the form of water gas, producer gas, or the like. The reaction may be carried out by passing the carbon monoxide, or gas containing it, through a hot solution of formaldehyde, leading the resulting gases under pressure to the heated reaction gases under pressure to the heated reaction chamber containing the catalyst, preferably a large mass of liquid catalyst such as phosphoric acid, the chamber being in this case lined with graphite or gold. The reaction product is condensed and the acetic acid recovered by fractional distillation. The residual gas after passage through absorbent charcoal may be returned for circulation over the formaldehyde solution, or for admixture with formal vapour, if the latter is used. The presence in the apparatus of iron or other metal forming carbonyl should be avoided, and the parts in contact with acetic acid are preferably made or lined with copper.
Patent GB-1049015-A (GB)
Title: Steroid-guanyl-hydrazones
IPC: C07J41/00
Filed: 1965-04-15
Abstract: The invention comprises guanylhydrazones of carbonyl-steroids containing at least one aliphatic radical having three or more hydroxy groups, which may be acylated or etherified, the guanylhydrazone moiety being of formula =N-NH-C(=NA)-NHB wherein A is a hydrogen atom or a C1- 6 alkyl group and B is a hydrogen atom, a C1- 6 alkyl group which may be joined to A, a nitro group or a radical of formula -(CH2)nNRR1 in which n is 2, 3, or 4 and R and R1 are C1- 6 alkyl groups which may be linked directly or through a hetero-atom, and non-toxic acid addition salts thereof, and their preparation as by reaction of a carbonylsteroid with (a) an aminoguanidine or an acid addition salt thereof, (b) a thiosemicarbazide or S-alkyl-isothiosemicarbazide, followed by reaction with an amine, or (c) hydrazine, followed by reaction with a cyanamide or S-alkyl-isothiourea. The aliphatic hydroxyl-containing radical may be attached to the steroid nucleus either directly or through an ether, ester, imino, amino or carbamic acid ester group. The compounds of the invention have cardiotonic activity.  3b , 17b , 20b  and 21-chloroformic acid esters of pregn - 5 - en - 3b  - ol - 20 - one, androst - 5 - en -3b  - ol - 17 - one, pregn - 4 - en - 20b - ol - 3 - one, pregn - 4 - en - 21 - ol - 3,20 - dione, hecogenin and 19-nor-testosterone are prepared by reaction with phosgene.  N - methyl - N - 11 - (11 - desoxyglucosyl)-carbamate esters of the above-named compounds are prepared by reaction of the corresponding chloroformic acid ester with N-methyl-glucamine.  3b  - (pregn - 5 - en - 20 - one) - N - 21 -(21-desoxyglucosyl)-carbamate is prepared by reaction of the corresponding chloroformic acid ester with glucosamine.
Patent GB-164245-A (GB)
Title: Improvements in and connected with music stands
IPC: A47B19/00
Filed: 1920-06-17
Abstract: 164,245. Grant, W. H., and Lacy, J. June 17, 1920. Music stands.-Foldable and collapsable rests, stands, &c. comprise telescopic tubes O - - O<4>, the lowest member 0 having a boss M to which are pivoted legs L, while the uppermost tube O<4> slips in a socket E on a trough A to which is pivoted one leg C of a folding rest, the free leg C<1> being inserted into a socket D. The spread of the legs L is determined by a slot M' in the boss M. The tubes 0 - - O<4> and legs L when collapsed and folded can be placed in the trough A which has a hinged top B with attached sides.
Patent GB-825353-A (GB)
Title: A process for improving straight-run gasoline
IPC: C10L1/06
Filed: 1958-05-21
Abstract: Straight-run gasoline is improved by a process comprising (1) fractionating into at least two fractions including a fraction A having an end point from 71-79 DEG  C. and a fraction B having an initial point from 71-79 DEG  C.; (2) catalytically isomerizing A at 340-455 DEG  C. in the presence of hydrogen and a noble metal catalyst; (3) fractionating the isomerizate into two or more fractions including a lower boiling product fraction C free of C5 hydrocarbons and having an end point of 57-63 DEG  C. and a higher boiling fraction D having an initial point from 57-63 DEG  C.; (4) catalytically reforming B; (5) extracting the reformate together with D to give a paraffinic raffinate E and an aromatic concentrate product F; and (6) recycling at least part of E to the isomerization step.  In a modification, isomerizate fraction D is combined with B and reformed with it in step (4).  Fraction A may contain all material boiling up to 71-79 DEG  C. or may have an initial point from 35-66 DEG  C., in which case lower boiling material may be separately isomerized.  Fraction B may contain all material boiling above 71-79 DEG  C. or may have an end point from 99-116 DEG  C., in which case higher boiling material may be separately reformed.  The reformate may be fractionated into a lower boiling fraction containing benzene as the only aromatic constituent and having an end point from 85-107 DEG  C. and which is extracted with the isomerisate fraction D and a higher boiling fraction containing toluene as the only aromatic constituent and which may be extracted separately to recover toluene.  The fraction D may be mixed with fraction B before reforming, with the reformate before fractionation or with the reformate immediately before extraction.  The recycle stream to the isomerization may be mixed with the straight-run material before fractionation or any suitable subsequent point up to immediately before the isomerization. The isomerization may be effected with a catalyst containing 0.1-2% of Pt, Pd and/or Rh on alumina or silica-alumina promoted, if desired, with 0.1-3% of chlorine and/or fluorine and in the presence of 0.5-5 mols. of hydrogen per mol. of hydrocarbon, preferably obtained from the reforming step.  Reforming is effected over a catalyst comprising an oxide or sulphide of cobalt, nickel, chromium, molybdenum or tungsten on alumina but preferably a platinum on alumina or silica-alumina catalyst promoted with halogen is used, e.g. containing 0.1-2% platinum and 0.1-3% fluorine and/or chlorine. Pressures of 7-70 atmospheres and temperatures of 50-540 DEG  C. are used.  The extraction process may be an extractive distillation with phenol or a solvent extraction with diethylene glycol and water, sulpholone, sulphur dioxide or dipropylene glycol.
Patent GB-1419556-A (GB)
Title: Shelving unit
IPC: F16B12/50
Filed: 1973-04-05
Abstract: 1419556 Structural joints RAACO STORAGE SYSTEMS AS 5 April 1973 [5 April 1972] 16448/73 Heading F2M [Also in Division A4] A shelving unit comprises a plurality of shelves 2 each having at each of its four corners a recess for receiving a support column 1, each shelf being supported at each corner by a mounting element 16 secured to a column 4 below the shelf by a screw 23 passed through a slot 20 in the web 19 of the element 16, the web 19 having two pairs of upper and lower flanges 18, 17 with upwardly extending tongues 22, 21 which engage respectively in raised edges 14 of the shelf 2 and in slots 9 in inturned lower edges 8, 12 of depending rim flanges 11, 5 of the shelf 2.
Patent GB-1108343-A (GB)
Title: Improvements in or relating to windows
IPC: E06B3/20
Filed: 1965-04-20
Abstract: 1,108,343. Moulding complementary window frames and sashes. H. THAMS. 20 April, 1965 [20 April, 1964], No. 16513/65. Heading B5A. In making window frames and sashes having matching circular segmental surfaces at their inner and outer peripheries respectively, the sash is east first and the segmental profile of the sash is built in as part of the mould for the frame. The moulds are filled by casting or injection. Tubular frames and sheaths are inserted into the moulds and thermosetting plastics material, e.g. epoxy resins cast around them so that they form the fixtures and operating elements of a window which is swingable about either the side or the bottom edge.
Patent GB-894001-A (GB)
Title: Milk tablet and process for its manufacture
IPC: A23C9/18
Filed: 1960-05-10
Abstract: Milk tablets readily soluble in coffee and tea contain the constituents of milk with one or more of these constituents in excess, the compositions being: butter-fat 10-29%, milk protein 7-15% and milk carbohydrate 15-65%, with inorganic milk constituents and water, e.g. butter-fat about 20%, milk protein 10%, milk carbohydrate 60%, inorganic milk constituents and water 10%.  A preparation for compressing to such tablets may be obtained by evaporating condensed milk of at least 6% fat content to a powder, and mixing the powder with milk proteins and lactose in the requisite proportions.
Patent GB-1222659-A (GB)
Title: Improvements in or relating to the connection together of the elements of a headlamp
IPC: B60Q1/068
Filed: 1968-04-05
Abstract: 1,222,659. Vehicle headlamps. PROJECTEURS CIBIE. 5 April, 1968 [21 April, 1967], No. 16521/68. Heading F4R. The lens 1 and casing 3 of a vehicle headlamp are connected together by a plurality of fastening devices each of which comprises a male element 8 and a female element 4 one of which is secured to the lens and the other to the casing. The reflector 2 has a corresponding number of openings 7 through which the devices pass. The openings are preferably fitted over the female elements, which are made of plastics material and expand when the male elements are inserted, thereby locking the reflector in position. Alternatively the openings may be fitted over the male elements and the reflector retained by the female elements.
Patent GB-780741-A (GB)
Title: Improvements in leavers or go-through lace machines
Inventor: HASLAM-JONES FRANK HORSFIELD
IPC: D04C5/00
Filed: 1954-06-14
Abstract: 780,741. Lace machines. JARDINE, Ltd., J. May 17, 1955 [June 14, 1954], No. 16532/54. Class 74 (1). The first 45 degrees of clockwise rotation of a handle 46 causes a cam 40, acting through levers and linkwork 36, 34, 25, to swing the front catch bar 16 of a Leavers machine from the operative position to one or other of two positions. The catch bar 16 is providedwith rollers 23 which, through part of its travel, move along an arcuate guide slot 24 in the lever 25. Thus, by choice of the position of the guide rollers in the slot (i.e. by choice of the attitude in which the machine is stopped) the position of the pivot 17 may be chosen and the catch bar made to swing to the threading up position (full lines, Fig. 2) or to the carriage removal position (chain lines). The movement removes locking rollers 32 from abutment against studs 33 on levers 27 carrying the front comb bar 12 and the next 45 degrees of rotation of the handle causes a cam 45, acting through levers 42, 27, to swing the comb bar from the operative position to the inoperative position of Fig. 2. Reverse rotation of the handle restores the parts to their original position. The arrangement may be applied to the rear catch bar and comb bar.
Patent GB-682757-A (GB)
Title: Improvements in production of alkali metal fluotitanates and fluozirconates
IPC: C01G23/00
Filed: 1951-07-13
Abstract: Alkali metal fluotitanates or fluozirconates are produced by fusing an intimate admixture of an alkali metal fluosilicates-the alkali metals lithium, sodium, potassium, rubidium and caesium being specifically mentioned-an oxidic compound of titanium or zirconium, and an oxidic compound of an alkali metal, e.g. the oxide, hydroxide, carbonate, nitrate, sulphate or oxalate, at say 1100-1200 DEG C, comminuting the product and leaching with an acidic aqueous medium. Fusion may be effected in a stainless steel vessel in a fuel fired furnace, or electrically, using electrodes immersed in the mixture and the molten product discharged in a thin stream into water.  The thus comminuted material may be ground moist in a pebble mill, and after addition of the quench liquor, sulphuric, nitric, hydrochloric &c. acid is added to produce a final pH 2.5-4.  The mixture is boiled and filtered, and the fluotitanate or zirconate crystallized by cooling.  Oxides or silicates of titanium may be employed, e.g. rutile, baddleyite, zircon.  The admixture usually comprises equimolar proportions of fluosilicate and oxidic compound of titanium or zirconium and 1/6 -\ba2/3 mol. oxidic alkali metal compound per mol. titanium of zirconium compound.
Patent GB-165092-A (GB)
Title: A portable device for watering crops, gardens and the like
IPC: B05B3/16
Filed: 1921-06-17
Abstract: 165,092. Zander, E. June 21, 1920, [Convention date]. Rotary apparatus; spraying - machines. - Apparatus for watering gardens, crops, &c. consists of a slightly flexible tube C, supported on portable tripods B, and slowly rocked about its axis through about 100‹ so that the water issuing from a row of holes D in line on the upper side of the tube is evenly distributed over an area. Means for rocking the tube may consist of a receptacle G, Fig. 4, which is gradually filled with water through the pipe K, the weight of the water extending a spring H, the end of which is wrapped round a curved surface I, suitably formed to give the varying angular velocity necessary for even distribution. Alternatively, a pressure cylinder to which water is slowly admitted may be used. Water is supplied to the tube C from the pipe E through a flexible tube F. In order to effect even distribution without using closely spaced fine holes, the tube C may be given an axial movement by means of a thread thereon engaging with a nut or pawl on the support. Spring clips may be used to close temporarily any holes not required, as for instance where there is a footpath.
Patent GB-497344-A (GB)
Title: Improvements in electro-magnetic relays
IPC: H01H51/08
Filed: 1937-06-16
Abstract: 497,344. Electromagnetic interrupters. AUTOMATIC TELEPHONE & ELECTRIC CO., Ltd., PEARCE, O. A., and GRAHAM, J. ST. C. W. June 16, 1937, No. 16783. [Class 38 (v)] An electromagnetic relay is arranged to operate by self interruption, and through pawl and ratchet mechanism to rotate cams controlling contact springs over which is extended the stepping circuit, and bv which other circuits may be made or broken after a predetermined delay. Figs. 1 and 2 show the relay construction, wherein a coil 10 is energized through contacts 12 operated by an armature 11, which rotates a cam 18 by a pawl and ratchet 13 and through reduction gear 14, 15, drives cams 16 and 17. Cam 16 and another operate springsets Z and S, while a lever 19 engages depressions in both cams 17 and 18 with the relay normal, other positions thereof causing lever 19 to ride on a cam face and operate springset N. Fig. 3, shows one manner of connecting the relay wherein an energized relay ST by closing contacts st1, st2 and st3 starts the relay cam mechanism, immediate closure of contacts N1 keeping it running, even if contact st1 opens, until after a number of revolutions depending upon their relative speeds cams 17 and 18 return to the position shown in Fig. 2, and stop by opening contacts N1. During operation, after a predetermined period cam 16 operates springset Z and both an external circuit and contacts Z 1 may be closed, which latter shortcircuits contacts 12 and stops the action, unless contact st2 is opened by the opening of contacts Z2 in the locking circuit of relay ST. Other circuits are described in which the relay is used as a time pulse generator, and as a slow to release switch.
Patent GB-1488638-A (GB)
Title: Control linkage mechanism
IPC: F16H21/44
Filed: 1976-04-26
Abstract: 1488638 Linkwork CATERPILLAR TRACTOR CO 26 April 1976 [14 July 1975] 16786/76 Heading F2K A pedal 18 operated linkage mechanism 22, 24, 28, for actuating a vehicle governor (not shown) via a cable 52, 54, comprises first and second levers 22, 24 separately pivotally mounted on fixed pivots 12, 26 and interconnected by a link 28, the pedal 18 being fast with the first lever 22 to pivot therewith about the fixed pivot 12, a return spring 44 being connected to the first lever 22, or, as shown, second lever 24 which the line of tensile load, i.e. pull, of the spring 44 acting through the connection point 46 between the spring 44 and lever 24 whereby the connection point 46 is brought nearer to or further away from the fulcrum 26 of the lever 24 according to whether the load on the spring 44 is increased or decreased so that the leverage moment arm is varied in inverse ratio to the load, i.e. pull of the spring 44 thereby to transform the increasing resisting force of the return spring 44, during depression of the operating pedal 18 fast with lever 22, to a substantially constant resisting load (i.e. torque) on the lever 22 and hence operating pedal 18.
Patent GB-543556-A (GB)
Title: Improvements relating to starting mechanism for internal combustion engines
IPC: F01L13/00
Filed: 1940-11-22
Abstract: 543,556. Starting. HARPER, W. A., POUNDER. C. C., and REBBECK, F. E. Nov. 22, 1940, No. 16826. [Class 7 (v)] A distributing valve for compressed air or other operating fluid for compressed-air starting valves has a rotary engine-driven and axiallymovable valve member E adapted to seat on a stationary distributor body A, and fluidpressure means for holding the valve on its seat in opposition to a spring L or springs tending to unseat the valve. The operating-fluid acts upon a piston connected to each starting valve, which is normally closed by a spring, and the chamber M in which fluid pressure acts to seat the distributing valve has no direct communication with the starting medium supplied to the engine cylinders. The valve E may be a disc, cone or cylinder, the passages in the valve and its seat being supplied from a two-way diverting valve for forward and reverse running and being formed as described in Specification 543,554. As shown, the valve E is slidably keyed at J on an engine-driven shaft K, the spring L being interposed between the valve and a shoulder on the shaft. During starting, the valve is seated by pressure fluid admitted at S to the chamber M behind a piston N normally held away from the valve by a spring P. The free working of the piston N and valve E may be tested by a pivoted handle V acting on the piston through a plunger W. The supply of pressure fluid to the inlet S and to the two-way diverting valve is turned on by .an engine regulator handle (not shown), and is cut off by further movement of this handle to the fuel-supply position. The operating fluid may be compressed air, oil, glycerine or other fluid.
Patent GB-1187053-A (GB)
Title: Process for the Separation of a Gas Dissolved in a Liquid.
Inventor: POTOP PETRE
IPC: B01D19/00
Filed: 1967-04-12
Abstract: 1,187,053. Prevention of foaming in gas/ liquid separation RUMANIA MINISTER OF CHEMICAL INDUSTRY. 12 April, 1967 [16 April, 1966], No..16844/67. Heading B1M. Gas is separated from a liquid in which it is dissolved with prevention of foaming by passing the liquid together with an inert and insoluble carrier gas through a nozzle to form a spray, the speed of the gas being 25-100 m/sec. at the mouth of the nozzle, and the liquid dispersed as a spray is then carried through a tubular vessel and the dissolved gas separated therefrom by the carrier gas. Some of the recovered gas may be recycled to disperse further liquid. A liquid/carrier gas volume ratio of 2.5-9.5 x 10-<SP>3</SP>:1 at the outlet of the nozzle may be employed.