baber/WOPTO huggingface dataset:
Patent GB-1188445-A (GB)
Title: Improved Ratchet Winches or Hoists
Inventor: BLACKBURN WALTER L
IPC: B66D1/06
Filed: 1968-10-25
Abstract: 1,188,445. Winches. W. L. BLACKBURN. 25 Oct., 1968 [19 April, 1968], No. 50665/68. Heading B8B. A ratchet winch for a cable 24 comprises a drum and ratchet wheel 18 secured to a shaft 16, the drum being driven by alternate engagement of dual pawls 40, 42 with the wheel 18 when a lever 30 is reciprocated, the pawls being urged by leaf springs 54, 56 into engagement with the ratchet wheel 18 when a control lever 28 is in a first position for hauling in cable and urged out of the engagement when lever 28 is rotated into a second position for paying-out cable. Rotation of the lever 28 rotates a cam 46 about point 44, the cam being linked to the pawls 40, 42 via a pivot 48 for a link 50, the remote end of which is pivoted to the spring 54 and to another link 52 coupled to the spring 56. When hauling in cable, the pawls are urged towards the ratchet wheel 18 and due to their eccentric pivoting 36, 38 on a rocker shaft 34 connected to the lever 30, alternately engage teeth 20 on the wheel 18 as the lever 30 is reciprocated, both pawls automatically engaging teeth on the wheel to lock it if the lever 30 is released with tension in the cable 24. During paying-out of the cable, the pawls still alternately engage the ratchet teeth as the lever 30 is reciprocated, but since the pawls are being urged out of teeth engagement, as one pawl takes over ratchet tooth engagement from the other at the end of a lever stroke, the other pawl drops out of tooth engagement and does not re-engage until the next lever stroke. The top pawl 40 is guided into re-engagement with the teeth 20 by using the bottom engaged pawl 42, whereas the latter uses a guide cam 66. In a modification of Figs. 10 to 15 (not shown), both pawls are guided by cams which are brought into their operative position only when the paying-out operation is to be performed. In the embodiment of Fig. 7 (not shown), a manually adjustable brake is actuable on the ratchet wheel to assist in paying-out cable. In the embodiment of Figs. 19, 20 (not shown), the pawl actuating lever is reciprocated by a crank arm eccentrically pivoted to a ratchet wheel driven manually by a hand wheel. The ratchet wheel has an associated pawl whereby the cable drum may be halted at much smaller increments of rotation than was possible with just the dual pawl ratchet wheel. The apparatus may take the form of a chaindriven hoist or the lever may be reciprocated by powered means.
Patent GB-1117068-A (GB)
Title: S-triazole-[4,3-a]-pyridine derivatives and processes for their preparation
IPC: C07D471/04
Filed: 1966-11-11
Abstract: Novel compounds having tranquilizing, hypotensive and analgesic action of the general formula <FORM:1117068/C2/1> wherein R is H or CH3 and R1 is alkyl containing 1-4 carbon atoms, alkoxy containing 1-4 carbon atoms or halogen, and the non-toxic salts thereof with organic or inorganic acids are prepared by reacting an s-triazolo(4,3-a)-pyridine-3-one of the general formula <FORM:1117068/C2/2> or its sodium salt with an N-aryl-N1-o -halo-propyl -piperazine of the general formula <FORM:1117068/C2/3> or treating a 2-o -halopropyl-s-triazolo-(4,-3-a) -pyridine - 3 - one of the general formula <FORM:1117068/C2/4> with a suitable N-aryl-piperazine; or reacting a 2-o -morpholinopropyl-s-triazolo-(4,3-a)-pyridine-3-one of the general formula <FORM:1117068/C2/5> with a suitably substituted aniline; or reacting a b ,b 1-dichloroethyl-aniline of the general formula <FORM:1117068/C2/6> with a 2-o -aminopropyl-s-triazolo-(4,3-a)-pyridine-3-one of the general formula <FORM:1117068/C2/7> The starting material 2-o -chloropropyl-s-triazolo - (4,3-a) - pyridine - 3 - one is prepared by treating s-triazolo(4,3-a)-pyridine-3-one with sodium hydride in dioxan solution and then adding 1-bromo-3-chloropropane. 2-o -morpholinopropyl -s-triazolo(4,3-a)-pyridine-3-one hydrochloride is prepared by refluxing s-triazolo-(4,3 - a) - pyridine - 3 - one, sodamide and N - a  - chloropropyl - morpholine, basifying, extracting, and precipitating the product with ethereal hydrochloric acid. 2-o -aminopropyl-s-triazolo(4,3-a) -pyridine-3-one is prepared by heating 2-a -chloropropyl-s-triazolo(4,3-a)-pyridine-3-one and saturated alcoholic ammonia solution in a sealed tube.
Patent GB-1180730-A (GB)
Title: Hydrogenation of Unsaturated Aliphatic Compounds in Ether Solvents
Inventor: HOF LEENDERT PIETER VAN T
IPC: C11C3/12
Filed: 1967-04-03
Abstract: 1,180,730. Hydrogenation; isomerization. UNILEVER Ltd. 3 April, 1967 [7 April, 1966], No. 50738/69. Divided out of 1,179,504. Headings C5C and C5E. Unsaturated aliphatic compounds are hydrogenated by hydrogen in a liquid-phase process in the presence of a catalyst comprising a solution of a stannous halide and a chloroplatinous or chloroplatinic acid compound (e.g. free acid or salt thereof) in a dialkyl ether of formula R 1 OR 2 , where R 1  and R 2  are each C 1-5  alkyl groups containing a combined total of at least 4 carbon atoms. The preferred solvent is diethyl ether. The starting compound may be an olefin, an acetylene, or an unsaturated fatty acid glyceride, specific compound mentioned being ethylene, propylene, hexene-1, octene-1, octadecene-1, ethyne, propyne, and fatty oils from sunflower, safflower, cottonseed, fish, whale, soyabean and rapeseed. By suitable choice of conditions the catalyst can be made selective, e.g. soyabean oil having 3 ethylenic bonds can be selectively hydrogenated to a product having only one ethylenic bond. The catalyst also favours isomerization, e.g. with hexene-1 starting material some of the product is hexene-2 and hexene-3, and with glyceride starting material any double bonds not hydrogenated are geometrically isomerized to the trans-form.
Patent GB-1481206-A (GB)
Title: Centrifugal advance device for the ignition distributor of an internal combustion engine
IPC: F02P5/06
Filed: 1974-11-26
Abstract: 1481206 Shaft couplings DUCELLIER ET CIE 26 Nov 1974 [11 Dec 1973] 51104/74 Heading F2U [Also in Division F1] A centrifugal ignition advance device which advances the ignition as engine speed rises in a first, lower, range of engine speeds and retards the ignition as the engine speed rises in a second, higher, range of speeds comprises a distributer shaft 1 to which a plate 2 is fixed, a sleeve 7 rotatably mounted on shaft 1 and carrying a plate 6 on pins on which are pivoted an auxiliary pair of weights 10, 11 and a main pair 14, 15 the auxiliary pair 10, 11 carrying pins 12, 13 engaging arcuate slots in plate 2 and the main pair 14, 15 carrying pins 18, 19 engaging arcuate slots of a plate 16 fixed for rotation with the contact breaker cam 17, a spring 22 interconnecting plates 2 and 6, a spring 28 interconnecting the pin 18 of weight 14 and plate 16 and a spring 25 interconnecting plate 6 and plate 16. The masses of the weights 10, 11, 14 and 15 and the strengths of springs 22, 25 and 28 are such that above a first engine speed the ignition advances due to weights 14 and 15 pivoting to move pins 18 and 19 in slots 20 and 21, this rotating plate 16 relative to shaft 1. The ignition stops advancing at a higher engine speed and remains constant until the speed is sufficient to move weights 10 and 11, which moves pins 12 and 13 in slots 3 and 4 and so retards the ignition as engine speed continues to rise. Weight 15 may also have a spring such as spring 28, but of different elasticity, to give a different function of ignition advance on rise of engine speed in the lower range.
Patent GB-1436340-A (GB)
Title: Method of reticulating urethane foam and product
IPC: C08G18/48
Filed: 1973-11-02
Abstract: 1436340 Hydrophilic polyurethane foam W R GRACE & CO 2 Nov 1973 [13 Feb 1973] 51107/73 Heading C3R Cross-linked, reticulated, hydrophilic polyurethane foam having a three-dimensional network is prepared by reacting a first component comprising an isocyanate capped polyoxyethylene polyol having a functionality greater than two, a second component comprising water, and optionally a third component comprising a crosslinking agent having a functionality greater than two, in which case the functionality of the capped polyol may be equal to at least two, the ratio of moles of water in the second component to moles NCO groups in the first component being from 6À5 to 390, the components being reacted in the presence of a blowing agent and a non-ionic surfactant. Most suitably the blowing agent is an isocyanate group containing compound and the surfactant is a condensate of ethylene oxide with a hydrophobic base and formed by condensing propylene oxide with propylene glycol. If a. third component is used it may be a polyol, polyamine, polythiol or polyisocyanate. In a typical example a solution of glycerol and a polyoxyethylene glycol is reacted with tolylene diisocyanate to form an isocyanate capped product which is then reacted with water containing tolylene diisocyanate as blowing agent and a condensate of ethylene oxide with a hydrophobic base formed by condensing propylene oxide with propylene glycol as nonionic surfactant. The foams may be used for filtering liquids and gases, as heat insulating fabrics, composites, mats, pads, screens, sponges, fuel tank fillers, cushioning, insulative, sound deadening and protective surfaces.
Patent GB-1328033-A (GB)
Title: Apparatus for measuring the surface configuration of at least  part of a body
IPC: A61B5/107
Filed: 1971-11-03
Abstract: 1328033 Measuring outlines PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 3 Nov 1971 [6 Nov 1970] 51110/71 Heading G1A In an apparatus for determining the configuration at least part of a body 5 wherein a sensing probe 3 mounted on a carriage 2 which travels on a support 1 about a point 19 the output of the sensing probe is fed to a servo motor 4 to adjust its radial position so that as the carriage moves about the body the distance between the body and the probe is maintained constant. In the sensing probe, Fig. 2, radiation from a source 13 is directed by a radiation guide 7 to a point aligned with the axis of a cylindrical recess 9 containing two radiation detectors as shown. The two detectors receive radiation reflected from the body 5 and their difference signal is used by the servometer to control the probe's position until the detectors are equally illuminated. To prevent the sensing probe 3 remaining in contact with the body 5 should it touch it, the probe is provided with a plate 8 of Piezo-electric material which when actuated by stressing causes the sensing probe to move away from the body. In alternative embodiments the support may be elliptical, curved through 180 degrees or helical.
Patent GB-1469990-A (GB)
Title: Gain control circuit
IPC: H03G3/10
Filed: 1974-11-27
Abstract: 1469990 Gain control circuits SONY CORP 27 Nov 1974 [1 Dec 1973 9 May 1974] 51471/74 Heading H4R The gain of a circuit is controlled by a variable current source 33, (either manually 36 or from the output 42) controlling the value of an impedance 37 connected to the base input of a differential amplifier 16 and through an impedance 13 to the emitter of an input transistor 12 having a circuit 43 carrying part of the emitter current. The differential amplifier has a constant current source 18 and the circuit gain is approximately I 1 /I 2 , the emitter resistor 43 tending to hold constant the output impedance of the input transistor 12 so that the gain expression is still valid for very small I 2 . The output 42 is taken via an emitter follower 39. In a modification (Fig. 2, not shown) a further constant current source (45) is arrayed in parallel to the control current source 33 and is biased to set the maximum gain whilst a constant voltage source (49) is connected to the junction of the current sources to control the maximum current I 2  through the diodes 37, 38 and to protect transistor 34 at switch-on.
Patent GB-1089684-A (GB)
Title: Electrical core manufacture
Inventor: COOPER ALFRED SYDNEY
IPC: H01F41/02
Filed: 1964-12-21
Abstract: 1,089,684. Winding magnetic cores; shearing. MOLONEY ELECTRIC CO. OF CANADA Ltd. Dec. 21, 1964, No. 51938/64. Headings B3A, B3E and B3W. A method of making wound magnetic core loops comprises feeding a strip S of magnetic material towards a rotating core form 1, intermittently cutting the strip, progressively shifting the locus of the cut relative to the core form, and coiling the segments so formed on the core form. The strip S is passed through a feed roll assembly 5 and shears 7 until it abuts a stop 15 and continued feeding of the strip forms a hump HP which eventually actuates a switch SFR to deactuate the feed roll assembly. A carriage 9 is positioned so that the shear 7 is spaced from stop 15 by a distance equal to the circumference of the core form 1. During the dwell period of the strip the shear is actuated, causing the hump to collapse and the feed roll assembly 5 is reactivated. A trip mechanism 17 is also automatically actuated to bend the end of the strip segment (Fig. 10, not shown) upwardly into the nip of a wrapping belt 3 and the core form 1, a feed belt 13 assisting the feeding of the segment into the nip. As the diameter of the core increases with the addition of successive segments, the length of the belt 3 in contact with the segments increases, thereby drawing a sliding roller SR and the carriage 9, via bands 11, to the right. Hence the shear 7 is moved so as to increase the length of each segment in a loop. The shear blade 149 is mounted on a head-plate 145 and is operated by oppositely acting rams 205, 211 which actuate racks 201, 207 engaging pinions 197, 199 on a common shaft 191. The shaft 191 is fitted at either end with eccentric bearings (187), (189) which engage yokes (183), (185), fitted on the ends of links (179), (181), (Fig. 6, not shown). The links are pivoted about extensions on the head plate 145 and rotation of the shaft 191 causes reciprocation of the plate 145 and blade 149. The rams act in opposite directions to eliminate any tendency for the carriage 9 to move as might occur at the end of the stroke of a single ram.
Patent GB-1091737-A (GB)
Title: Improvements in or relating to marking apparatus
IPC: B41F1/26
Filed: 1965-12-08
Abstract: 1,091,737. Blocking machines. ADOLPH GOTTSCHO Inc. Dec. 8, 1965 [July 6, 1965], No. 52023/65. Heading B6J. In a marking apparatus for applying markings to an intermittently fed web W by means of a die assembly 22 and a blocking foil 10, the web is supported on an endless freely-movable belt R, of rubber which may have an outer silicon coating, supported on a fixed platen 28, the path of the belt diverging from the web after marking.
Patent GB-1212910-A (GB)
Title: Package comprising a plastics container and a carton
IPC: B65D77/06
Filed: 1968-11-04
Abstract: 1,212,910. Packages, boxes, containers &c. RELIANCE PRODUCTS Ltd. 4 Nov., 1968 [18 Dec., 1967], No. 52197/68. Headings B8C, B8D and B8P. A plastics container 11, Fig. 3, enclosed in a carton 13 has its handle 25 accessible through an opening provided in the top face of the carton. The upper face of the carton (Fig. 2, not shown) is formed by folding two pairs of opposed flaps 14, 16. Two cut-outs 18 in the flaps 14 form a rectangular aperture 20. On folding the flaps 16 over the folded flaps 14, breakaway portions 21 of the flap 16 are inserted underneath the handle 25. To discharge the contents (i.e. liquid) of the container, a breakaway portion 31 of the carton is removed to expose the spout 26 of the container. The handle 25 is hollow and is in communication with the container so that during discharging of the container, air can enter through an upper portion of the spout and the hollow handle (see arrows in Fig. 3). The handle may be transparent.
Patent GB-1224323-A (GB)
Title: Amidothionophosphoric acid substituted phenyl esters
Inventor: SCHRADER GERHARD
IPC: A01N57/30
Filed: 1968-11-04
Abstract: 1,224,323. Amidothionophosphoric acid esters. FARBENFABRIKEN BAYER A.G. 4 Nov., 1968 [30 Nov., 1967], No. 52213/68. Heading C2C. [Also in Division A5] Novel compounds of the formula in which R is a straight or branched chain alkyl radical, R<SP>1</SP> is a straight or branched chain C 1 -C 6  alkyl radical or a C 3 -C 6  cycloalkyl radical, and R 1  and R 2  are H or C 1 -C 4  alkyl radicals are obtained by reacting a compound ROP(S)(Hal) 2  with an appropriate salicylic acid ester to form a compound of the formula and then reacting the latter with ammonia or an amine (R 1 )(R 2 )NH. Both steps of the process are preferably carried out in a solvent and the first step is preferably carried out in the presence of an acid binding agent or by using a salt, e.g. an alkali metal or ammonium salt of the salicylic acid ester. In the second step an excess of ammonia or of the amine may be used as acid acceptor. The reverse sequence of reaction steps may also be used. The products have insecticidal and acaricidal properties.
Patent GB-1130705-A (GB)
Title: Synthetic detergent bar
IPC: C11D10/04
Filed: 1965-12-09
Abstract: 1,130,705. Synthetic detergent bars. UNILEVER Ltd. 9 Dec., 1965 [11 Dec., 1964], No. 52256/65. Heading C5D. A detergent bar of improved firmness and "slip" comprises from 30 to 70% of an alkalimetal acyl isethionate, wherein the acyl residue is derived from fatty acids having from 6-18 carbon atoms and an iodine value of less than 20 as the principal detergent component, and also contains from 2À5-17% by weight of the bar, of an alkali-metal isethionate. Other ingredients include an organic soapless detergent of the anionic type, a plasticizer and a water-soluble: higher fatty acid soap. Plasticizers include mixtures of saturated or unsaturated fatty acids having 12-25 carbon atoms; or a solid polyethylene glycol can be substituted for a part of the fatty acid plasticizer. Several anionic detergents are mentioned.
Patent GB-1037586-A (GB)
Title: Process for the preparation of ethers
IPC: C07C41/01
Filed: 1964-12-23
Abstract: An ether is prepared by dehydrating the corresponding acyclic alcohol in the liquid phase, at 90-170 DEG C. and at a pressure sufficient to maintain the reaction mixture in the liquid state, in the presence of a cation-exchange resin derived from styrene or divinyl benzene and bearing strong inorganic acid radicals of which the "equivalent pH" is at most 2, the contact time of the alcohol with the catalyst being from 10 minutes to 10 hours.  The "equivalent pH" is the pH of 100 ml. 0.1 N aqueous NaCl brought into contact with 10 milliequivalents of the resin.  The resin is preferably of the polystyrene sulphonic type in its "hydrogen" form. The reaction may be carried out batchwise, by agitating the alcohol with the resin, or continuously, by passing the alcohol through a bed of the resin.  The starting material may be a mixture of alcohols and may contain water and/or the corresponding ether.  Examples describe the dehydration of butyl and ethyl alcohols.
Patent GB-1282439-A (GB)
Title: Improvements in or relating to boilers
Inventor: ROHLING HEINZ
IPC: F24H1/22
Filed: 1969-10-27
Abstract: 1282439 Combined solid and fluent fuel fired boiler stove PATRA PATENT-TREUHAND ANSTALT 27 Oct 1969 52488/69 Headings F4A and F4W A liquid or gaseous fuel fired burner 3 and combustion chamber 6 are arranged at the side of the solid fuel combustion chamber 8 so that they are enclosed within the outer casing 12 of a boiler stove. An auxiliary water tank 15 heated by water 17 from the boiler may be mounted above the boiler stove, and an expansion tank 4 may be mounted within the boiler shell above the burner 3. A coil 20 for a further water supply may be arranged in the water space 19 of the boiler.
Patent GB-1392977-A (GB)
Title: Device for ventilating a fuel tank for an internal cobustion egnine
IPC: B60K15/035
Filed: 1972-11-14
Abstract: 1392977 Venting fuel tanks DAIMLERBENZ AG 14 Nov 1972 [16 Nov 1971] 52593/72 Heading B8X The vent line from a fuel tank (not shown), to the air inlet of an I.C. engine (not shown), includes a device 10, the tank communicating via duct 13 with an annular chamber 12 provided with a normally closed, atmospheric-air admission valve 14, chamber 12 communicating via apertures 19, 20 with annular chambers 17, 18, chamber 18 having a normally closed safety valve 32, and chamber 17 having a vented-air valve 24 controlling a duct 23 leading to the engine. In operation, when the pressure in the fuel tank exceeds a certain value, it acts in chamber 17 to open diaphragm valve 24, and gases are vented along duct 23 to the engine. The tank pressure keeps valve 15 closed and is normally ineffective to open valve 32, the spring tending to close the latter being more compressed than the corresponding spring associated with valve 24. If, however, tank pressure rises still further to a potentially dangerously high level, valve 32 opens to vent gases from the tank through duct 35 and filter 34 to atmosphere. If tank pressure drops below a certain level, valves 24 and 32 remain closed and valve 14 opens to vent air from the atmosphere through filter 24 and duct 13 to the tank. The valve member 15 of valve 14 is of rubber. The valve member 25/26 and springs 27 of valves 24, 32 are identical. Only the casings 28, which determine spring compression, differ. Projections and recesses (not shown), on the casing 28 and the device casing 11 prevent erroneous interchange of the two casings 28. The vented gases may be led through duct 23 either to the engine crankcase and from thence to the engine induction air filter or to a filter-containing accumulator and thence to the engine induction air filter or inlet. An accumulator tank (6, Fig. 1, not shown), is provided between the fuel tank (3) and the device 10.
Patent GB-1336720-A (GB)
Title: Image transfer apparatus
IPC: G03G15/16
Filed: 1970-11-09
Abstract: 1336720 Electrostatic printing XEROX CORP 9 Nov 1970 [14 Nov 1969] 53132/70 Heading B6C  The developed image in an electrostatic printer is transformed to a copy sheet which is pre-coated with a liquid that will aid in transferring the particles of suspension forming the image. The invention is applied to a machine for forming black or white or full colour images through the use of photo-electrophoresis and is illustrated in Fig. 4. A roller 40, suitably connected in the circuit of an electric field, carries cam-operated grippers 433 by which copy sheets from a feed table (not shown) are carried past a drum 1 carrying the developed image for transfer. The sheets are pre-wetted by a roller 45 fed with a suitable liquid, such as the liquid carrier of the imaging suspension which roller also supplies a fixing material to the sheets such material, e.g. paraffin wax being dissolved in the carrier liquid. The imaged copy sheets are passed to a fixing chamber 634, Fig. 12, utilizing radiant over and under heaters 626, 635, and a vacuum sheet holding endless belt 613 in conjunction with a cooling impeller 629. A rotating brush 472 and flicker bar are used to clean the transfer roller 40.