baber/WOPTO huggingface dataset:
Patent GB-1117873-A (GB)
Title: Improvements in or relating to hydraulic transmissions
IPC: F15B21/0423
Filed: 1966-04-13
Abstract: 1,117,873. Hydrostatic transmission. C. VAN DER LELY N.V. 13 April, 1966 [3 May, 1965], No. 16282/66. Heading F2C. Relates to an infinitely variable hydrostatic transmission, particularly for an agricultural tractor, comprising a rotating barrel swashplate pump 1 in closed circuit with a rotating barrel swashplate motor 2, the pump and/or motor swashplate tilt being variable. In such a transmission, to ensure that at least most of fresh cool oil supplied from a make-up pump 13 to the low-pressure motor-pump return flow path is circulated through the transmission before being drained as excess to a reservoir 15, said return flow path comprises two ducts respectively communicating with said make-up pump and said reservoir. In the transmission shown, the pump 1 is driven by an internal combustion engine or other source of rotating power and the motor 2 drives one or more ground-engaging wheels. The operation of the pump and/or motor can be arranged to reverse the vehicle, hence the highpressure flow and low-pressure return paths are interchangeable and each comprises two ducts 3, 4 and 5, 6 or vice versa. The make-up pump 13 supplies the low pressure, return, one of the ducts 3, 6 through a duet 9 and either one of oneway valves 10, 11 (that to the high-pressure flow duct closing), and excess is drained from the low pressure, return, one of the ducts 4, 5 to the reservoir 15 through a shuttle valve 17 (closing to the high-pressure flow duct), a duct 19 and a one-way valve 20 which, opening at a predetermined pressure, determines maximum pressure in the low-pressure return path. A further one-way valve 22, opening at a predetermined pressure, connects the ducts 9, 19 in the event of a duct blockage or valve failure. A cooling heat exchanger may be included in the make-up pump supply or delivery duct.
Patent GB-119735-A (GB)
Title: Improvements relating to Valves for Internal Combustion Engines.
Inventor: NEIGHBOUR ARTHUR GEORGE LLOYD
IPC: F01L1/16
Filed: 1917-11-08
Abstract: 119,735. Neighbour, A. G. L., and Neighbour, H. C. W. Nov. 8, 1917. Valves. - To facilitate the removal of a valve for the replacement of a closing spring, the stem 7 is surrounded by a casing 1 which, normally, is secured by screwing, or otherwise, to a guide 2, but which, to compress the valve spring, is disconnected from the guide 2 and screwed on to a member 8 connected by a bayonet joint or by other means to a guide 15. The casing 1, when in its uppermost position, engages a washer 13 on the valve stem, thus leaving the cotter 14 free to be extracted prior to the withdrawal of the valve. By disconnecting the member 8 from the guide 15, the compressed spring may be withdrawn, with the casing 1, between the end of the valve stem and the tappet 5. According to a modified construction, the casing 1 is in permanent engagement with the member 8 and is screwed into its innermost position to compress the valve spring. It is held normally by a clip. A modified construction is described in which the screw connexion between the parts of the casing is replaced by a bayonet joint.
Patent GB-859503-A (GB)
Title: Cladding uranium with aluminum
Inventor: STORCHHEIM SAMUEL
IPC: G21C3/20
Filed: 1958-05-22
Abstract: 859,503. Welding by pressure. SYLVANIACORNING NUCLEAR CORPORATION. May 22, 1958, No. 16454/58. Class 83 (4). In cladding uranium with aluminium a thin layer of nickel is sandwiched between the metals, the assembly is heated to a temperature below the melting point of the aluminium and pressure is applied to the assembly to produce solid state welding of the metals. The heating may be applied to the parts in a vacuum or inert gas. In an example the surfaces of members of uranium and nickel are abraded by silicon carbide paper and an aluminium member is cleaned by degreasing in acetone and immersion in caustic soda and nitric acid solutions. The nickel “ inch thick is placed between the members of aluminium and uranium ¢ inch thick and an aluminium sleeve is slipped over the sandwich and the assembly is placed between punches in a die arranged in a cylindrical electrical furnace. The die and furnace are placed in a water-cooled stainless steel pot having a ram, the pot is evacuated, current is supplied to the furnace and pressure is applied by the ram to the die. The temperature may be 535-625‹ C. and the pressure 11-25 tons per square inch applied for 8 minutes. Efficient bonding occurs at 15 tons per square inch applied for 6 minutes at 550- 575‹ C. After cooling the aluminium sleeve is machined off. Specifications 800,470 and 809,671 are referred to.
Patent GB-933130-A (GB)
Title: A method of removing acetylene from a mixture of vinyl fluoride and acetylene
Inventor: MIEGLITZ KARL-HEINZ
IPC: C07C7/17
Filed: 1962-04-30
Abstract: Acetylene is removed from a mixture of acetylene and vinyl fluoride (obtained, e.g. by reaction between acetylene and hydrogen fluoride) by adding hydrogen chloride to the mixture in amount equivalent to the acetylene present, and converting to vinyl chloride in the presence of a mercuric chloride catalyst; the vinyl fluoride and vinyl chloride may then be separated by fractional distillation.
Patent GB-738891-A (GB)
Title: Improvements in and relating to pipe connections for gas meters
IPC: G01F15/18
Filed: 1952-06-30
Abstract: 738,891. Pipe joints. SMITH METERS, Ltd., and GASKIN, R. D. June 15, 1953 [June 30, 1952], No. 16465/52. Class 99 (1). The connection of a service pipe to a gas meter comprises a socket 3 which is secured to the inlet or outlet 2 and which receives the pipe with clearance and without stop, and a rubber &c. packing ring 6 of rectangular crosssection partly received in a recess 5 of the socket, the ring having a reinforcing metal cup washer 7 which is engaged by a cap-nut 10. A further recess 9 receives the flange 8 of the washer. The other end of the packing ring may have a cup washer or a flat washer. The flange of each washer may be flush with the outer surface of the packing ring.
Patent GB-788844-A (GB)
Title: Improvements in or relating to the copolymerisation of polyester mixtures
IPC: C08F283/01
Filed: 1956-05-28
Abstract: Unsaturated polyesters and unsaturated monomers are copolymerized without externally applied heat by means of a peroxide catalyst, e.g. benzoyl peroxide, and iron pentacarbonyl as accelerator.  The polyesters may be derived from one or more dicarboxylic acids, e.g. phthalic, succinic, adipic, sebacic, suberic, maleic, fumaric and muconic acid or their anhydrides, and one or more glycols, e.g. ethylene glycol, polyethylene glycols, propylene glycol, trimethylene glycol, 1,2-butanediol, 1,3-butanediol, 2,3-butanediol, 1,4-butanediol and 1,4-butenediol, optionally mixed with higher alcohols, e.g. glycerol and trimethylolpropane, at least one of the components being unsaturated.  Specified comonomers are styrene, cyclohexene, vinyl acetate and methyl methacrylate.  Preferably the polyester-monomer mixture is mixed with the peroxide and a plasticizer, e.g. dimethyl phthalate, and the iron pentacarbonyl then added in solution in the monomer.
Patent GB-1527206-A (GB)
Title: Frictional clutches
IPC: F16D13/46
Filed: 1977-04-20
Abstract: 1527206 Friction clutches DANA CORP 20 April 1977 [10 May 1976] 16511/77 Heading F2C An adapter ring 24 for extending the axial length of a clutch cover 23 when a single driven plate clutch is converted to a double or multiple driven plate clutch comprises a stamped sheet metal U-section ring 24 in which slots 38 are formed to receive drive lugs 27 of an intermediate plate 26. The slots 38 are formed by bending parts 41 of the inner leg 33 of the U-section radially outward and welding the ends of the parts 41 to the outer leg 32 of the U-section.
Patent GB-714018-A (GB)
Title: Improvements relating to new methods of preparing substituted amides and peptides
IPC: C07C231/00
Filed: 1952-07-01
Abstract: Substituted amides and peptides are prepared by reacting together in substantially stoichiometic proportions a mono- or poly-basic carboxylic acid, a primary or secondary amine (or an addition salt of such amine), and a tetraalkylpyrophosphite of formula <FORM:0714018/IV (b)/1> (in which R1 and R11 are lower alkyl radicals, having less than 4 carbon atoms) or organic dihalophosphite of formula <FORM:0714018/IV (b)/2> (in which R111 is a hydrocarbon radical having 6 carbon atoms or less).  A hydrohalide acid acceptor such as a tertiary amine may be present, and the reaction may be effected in the presence of a solvent or diluent such as a dialkylphosphite, benzene, toluene, pentane, dioxane, chloroform, chlorobenzene or ether.  Many suitable amines and carboxylic acids are specified. Examples are given of the preparation of the following amides using tetraethylpyrophosphite as the condensing agent: (1) salicylanilide; (2) 2-phenylcinchoninic anilide) (3) N-methylacetanilide; (4) acetanilide; (5) benzanilide; (6) o-chloroacetanilide; (7) carbobenzoxy - b  - DL - phenylalanine anilide; (8) carbobenzoxyglycyl - DL - phenylalanine ethyl ester; (9) carbobenzoxydiglycylglycine; (10) carbobenzoxy - L - tyrosylglycylglycine ethyl ester; (11) and (12) carbobenzoxyglycyl-DL-phenylalanine ethyl ester; (13) carbobenzoxy-L-leucylglycine ethyl ester; (14) phthalylglycyl-L-leucine ethyl ester; (15) carbobenzoxy - L - leucyl - L - leucine methyl ester; (16) carbobenzoxy-L-leucyl-L-tyrosine ethyl ester; (17) and phthalylglycyl-L-tyrosine ethyl ester.  In the preparation of the following compounds, dichloroethylphosphite is used as the condensing agent; (18), (27), (30) and (40) carbobenzoxyglycyl-anilide; (19) carbobenzoxyglycyl-DL-phenylalanine ethyl ester; (20 and (31) carbobenzoxyglycyl-L-tyrosine ethyl ester; (21) phthalylglycylglycine ethyl ester; (22) phthalylglycyl-L-leucine ethyl ester; (23) carbobenzoxy-L-leucylglycylglycine ethyl ester; (24), (33), (36) and (38) phthalylglycyl-L-leucine ethyl ester; (25), (35) and (37) carbobenzoxyglycyl - DL - phenylalanylglycine ethyl ester; (26), (28) and (32) carbobenzoxyglycyl-DL-phenylalanine ethyl ester; (29) carbobenzoxy-DL-phenylalanylglycine ethyl ester; (34) carbobenzoxy-L-leucylglycine ethyl ester and (39) carbobenzoxy-glycylglycine ethyl ester.
Patent GB-145452-A (GB)
Title: Improvements in change speed gear
IPC: F16H3/36
Filed: 1920-06-18
Abstract: 145,452. Delamare, R. L. J. Aug. 28, 1917, [Convention date]. Variable - speed epicyclic gearing is arranged to transmit any ratio by addition. Thus to obtain the ratio of 27, the ratios of twice ten and seven are compounded. The driving - element is a toothed cone 2 on a shaft 1. The driven element is a shaft 15 carrying a gear 14 meshing with planet-gears 12. 13. The planetgears are carried by a shaft 11 with a gear 10, and mesh with an internal gear ring 9<1> having external teeth 9. The cone 2 is connected to the gears 10, 9 by change countershafts 6, 4, the arrangement being that the speed of the shaft 6 is transmitted to the shaft 15 multiplied ten times if the ring 9 is fixed, and the speed of the shaft 4 is transmitted unchanged to the shaft 15 if the gear 10 is fixed. If then the shaft 6 is driven from the cone through gear 5 at ratio 2, and shaft 4 through gear 3 at ratio 7, the shaft 15 is driven at ratio 27.
Patent GB-210019-A (GB)
Title: Improvements in or relating to closures for tumblers, jars and other receptacles
IPC: B65D1/10
Filed: 1923-06-26
Abstract: 210,019. Ingram, H. June 26, 1923. Vacuum closures; stoppers with valves; closures completed by outstanding packing rings. - A closure for tumblers, jars, &c. comprises a cap 12 having a depending skirt 17 and provided with a small central hole 20 normally closed by a rubber or other pad 23 supported beneath it by a frame 21, Fig. 5, which rests on the lip of the tumbler &c., the cap being capable of limited vertical flexion so that excessive internal pressure will raise the top of the cap from the pad 23 to releive the pressure. A perforated disc may replace the frame 21. The invention is described as applied to a closure of the kind described in Specification 162,577 having a seating gasket 19 in a recess 18.
Patent GB-553112-A (GB)
Title: Improvements in or relating to railway vehicle brakes
IPC: B61H15/00
Filed: 1941-12-23
Abstract: 553,112. Brakes for railway vehicles. BROWALL, B. H., and SVENSKA AKTIEBOLAGET BROMSREGULATOR. Dec. 23, 1941, No. 16581. [Class 103 (i)] In railway vehicle brakes in which one or more of the brake shoes that are normally applied by compressed air or other power can be applied also by a hand or foot lever, means for compensating for wear.of the shoes disposed in the connection of the hand to lesen to the shoes is adjusted by power operation of the shoes. Brake shoes 3, 3a are operated by compressed air through the rigging 4 and the shoe 3a also by the hand-lever 5 through a rod 8 and the suspension lever 10 of the shoe. The rod 8 has a lost-motion connection at 11 with the lever 5 and is extensible by a fall applied thereto but is self-locking in compression. As shown in Fig. 2, the rod 8 compresses pasts 8a, 8b provided respectively with the eyes 9, 11, the past 8a having a quick-pitch thread engaged by a nut 13. If when the brake is applied by power, the movement of the rod exceeds the lost-motion at 11, due to wear of the shoes, the nut 13 abuts through a ball-bearing 15 on a shoulder 14 in the past 8b and as it is thus able to turn, the rod is lengthened but during release the nut 13 abuts the shoulder 17 and as it is thus unable to turn, the rod is unable to contract and the rod as a whole with the shoe and lever return to the position determined by the lost-motion at 11. In another In another construction, the thread on the past 8a instead of being quick-pitch, has the form of ratchet teeth and the nut which is in parts so as to be expansible against the action of a surrounding spring, slips over the teeth when it engages one abutment of the past 8b under a pull applied to the rod but is prevented from slipping when the rod is under compression by the engagement by a conical fac e on the nut with a correspondingly shaped second abutment on the past 8b. In this case the lostmotion is provided between the nut and the first mentioned abutment on the past 8b, instead of at the eye 11.
Patent GB-566642-A (GB)
Title: Improvements in small electric transformers
IPC: H01F27/26
Filed: 1943-10-11
Abstract: 566,642. Transformers. CUTLER, C., and METROPOLITAN - VICKERS ELECTRICAL CO., Ltd. Oct. 11, 1943, No. 16637. [Class 38 (ii)] The laminations 1 of a transformer core are clamped between end plates 2 having outwardlyturned flanges 2c, the edges of which are engaged by channel - shaped clamping members 3 engaged by screwed rods 4. Feet 6 and panelsupporting elements (not shown) may be formed by channel-shaped elements similar to the clamping members 3. Specification 546,946 is referred to.
Patent GB-1104732-A (GB)
Title: Improvements in or relating to flashlights
IPC: F21V23/04
Filed: 1966-04-15
Abstract: 1,104,732. Electric battery lamps. SOCIETE DES ACCUMULATEURS FIXES ET DE TRACTION. 15 April, 1966 [15 Dec., 1965], No. 16737/66. Addition to 1,099,474. Heading F4R. In a torch having a battery with two output terminal blades, the stud 12 of the bulb 10 is in permanent contact with one blade 3 and the other blade 4 is adapted to be moved by a switch 23 into contact with a metal plate 13 in permanent contact with the threaded part 11 of the bulb. The battery casing 2 is made of plastics material and has a non-detachable plastics lid 5 having a transparent recess 7 fitted with a deformable cylindrical tube 8 to receive the bulb. The tube has a longitudinal slot 9, and the plate 13, which is formed with a hole to receive the tube, has a first lug 15 extending through the slot to engage between a pair of threads on the bulb and a second lug 16 abutting the wall of the tube. The plate may act as a reflector. The switch 23 is slidable axially in a rectangular opening in the lid 5 and comprises a head 24 connected by a narrow neck (26, Fig. 6, not shown) to a lower portion 25 having a central slot (27) which enables the switch to be forced into the opening with a snap action. A corrugation 20 strengthens the blade 4 and engages the slot (27).
Patent GB-702289-A (GB)
Title: Improved means for detecting aircraft stall conditions
Inventor: CLARK KENNETH WATSON
IPC: B64D45/00
Filed: 1951-07-16
Abstract: 702,289. Aircraft stall warning device. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Sept. 24, 1952 [July 16, 1951 ], No. 16874/51. Class 4 Stall warning means for an aircraft comprise a movable member 1 in the form of a plate or the like, hingedly mounted on the wing at a region where stall conditions are known to occur prior to stall of the aircraft as a whole. In unstalled flight, the member is held close to the wing by the airflow but reversal of the airflow moves the member about its pivot to effect an indication. As seen in Fig. 2, member 1 on arm 2 fitted with a counterpoise 2a is fixed to pivot 3. The insulated extension 7 of pivot 3 carries a contact 8 adapted to make electrical contact with a carbon brush 11 when the member 1 and hence the pivot 3 have reached a predetermined position. The electric contact may operate any suitable warning device. The counterpoise 2a is preferably arranged so that when there is no airflow, the member 1 adopts a position intermediate between lying close to the wing, and the position in which a warning is given.
Patent GB-467373-A (GB)
Title: Improvements in and relating to means for the supporting and placing of pottery and other goods during firing processes
IPC: F27D5/00
Filed: 1936-06-18
Abstract: 467,373. Pottery manufacture. MADDOCK, W. E. June 18, 1936, No. 16924. [Class 87 (i)] Thimbles or rings 10 supported on cylindrical fireclay &c. pillars 17 of a sagger are each provided at their lower ends with an article supporting arm 14 having a thin upper edge 15 ending in a point 16. The upper and lower faces of the thimbles are stepped at or provided with co-operating projections and recesses to orientate them. The base of the sagger is similarly shaped at 19. The pillars 17 fit in tapered holes 20 in the sagger base.
Patent GB-278637-A (GB)
Title: Under clearer for the drawing rollers of spinning frames
IPC: D01H5/74
Filed: 1927-06-27
Abstract: 278,637. Carpenter, W. A. June 27, 1927. Rollers. - An under - clearer for the drawing-rollers of a spinning-Frame comprises a wooden or other rigid roller 1 having a fibrous sleeve 2 of paper or the like frictionally held thereon, fibre discs 7 completely covering the ends of the roller and of the sleeve, and adaptei to contact with the drawing roller, being fixed thereon by the bearing pins 3 flanged at 6.
Patent GB-545535-A (GB)
Title: Improvements in and relating to thermionic amplifiers and load devices therefor
IPC: H03F1/36
Filed: 1940-11-29
Abstract: 545,535. Valve amplifying circuits. STANDARD TELEPHONES & CABLES, Ltd., and EWEN, A. W. Nov. 29, 1940, No. 17057. [Class 40 (v)] [Also in Group XXXVI] c The frequency error of a device in the load circuit of a negative feedback amplifier due to inherent shunt capacity is compensated by a similar device in series and having a capacity in shunt across it and the feedback resistance. The arrangement may be used to compensate for the error in a rectifier meter and extends the frequency at which the scale error becomes serious from 15 to 100 kilocycles. Fig. 4 shows an amplifier having a meter represented by equivalent network RI, R2 and x in the anode circuit arranged in series with a similar bridge type rectifier having its meter leads short circuited and feedback resistance Rc. Condenser x1 shunts the feedback resistance and the added rectifier and independency of frequency is obtained by proportioning x1=x<SP>2</SP>/x+R1 where R1 is the rectifier resistance.
Patent GB-326420-A (GB)
Title: An improved collapsible boat
IPC: B63B7/08
Filed: 1929-06-04
Abstract: 326,420. Scheibert, F. June 4, 1929. Pontoon rafts.-A collapsable boat is constructed with sides composed of two initially straight inflatable tubes 1<a>, 1<b> mitred at their connected ends which may have a pear-shaped profile or be formed with beak-like elevations. The bottom 1 is cemented to the sides and preferably overlaps the seam 8 of the tubes 1<a>, 1<b>.
Patent GB-934116-A (GB)
Title: Improvements relating to the examination or recording of flaws in a ferro-magnetic workpiece
Inventor: HISLOP JOHN DEREK
IPC: G01N27/84
Filed: 1961-05-10
Abstract: 934,116. Testing flaws. ROLLS-ROYCE Ltd. May 4, 1962 [May 10, 1961], No. 17101/61. Class 106 (2). Flaws in a surface, particularly a not-easily accessible surface such as narrow blind bores and grooving, of a ferromagnetic workpiece are located and permanently recorded by treating the surface with a suspension in a volatile liquid of magnetic particles, which will tend to collect mostly in flaws, and then applying a moulding material such as molten polyvinyl chloride to which the particles will adhere and which can be separated from the workpiece on hardening. The regions of magnetic particles on the polyvinyl chloride record member, corresponding to flaws in the workpiece, may be marked. In the case of a blind bore, the molten polyvinyl chloride may be poured into the bore and then extracted when hard. In other cases the entire workpiece may be dipped into the molten polyvinyl chloride and the hardened coating later removed in two parts.
Patent GB-680052-A (GB)
Title: Improvements in or relating to carriers for golf-club caddy-bags
IPC: B62B1/04
Filed: 1950-07-08
Abstract: 680,052. Golf-bag carriers. LONSDALE, F. E. July 9,1951 [July 8, 1950], No. 17108/50. Class 108 (i). A collapsable golf-bag carrier comprises a backbone A, which may be formed as a golfbag itself, to which are pivotally attached a U-shaped member C for supporting a wheeled axle D and a handle member K. A further U-shaped member F forming an axle stay is pivoted at G to the stay C and to the handle K at J. Retractable pins I retain the handle K and the stay F in the same plane and when withdrawn the handle K may be swung downwardly about the pins I to collapse the carrier so that the members A, C, F and K lie substantially within the same plane. The axle D may be retained in hooked brackets L by the stay F when the carrier is erected, thus allowing the axle to be detached when the carrier is folded. The handle K and the stay F may be made as a single rigid member and the carrier collapsed by removing the pins I and raising the rear end of the backbone A until it lies substantially in the same plane as the handle and stay member.
Patent GB-428978-A (GB)
Title: Improvements in and relating to electric signalling devices
IPC: G08G1/097
Filed: 1934-06-09
Abstract: 428,978. Lamp-failure alarms; road signals for controlling traffic. BRITISH THOMSON - HOUSTON CO., Ltd., Crown House, Aldwych, London. June 9, 1934, No. 17146. Convention date, June 9, 1933. [Class 118 (ii)] In a road-traffic signalling installation an additional warning lamp is flashed if one of the signal lamps, or, in the case of double filament lamps, if one of the filaments, burns out. The amber signal lamps may be flashed in addition to the warning lamp. As shown in the Figures the groups of lamps I, II, and III corresponding to the three phases of traffic control are lit in turn under control of switch 23. A relay 25 is in series with the switch and this relay is energized so long as all the lamps in the group in use are burning. Should one or more of the lamps fail, the current through the relay falls and the armature 34 is released to make contacts 27, 29 so that the auxiliary warning lamp 14 is connected up and is flashed by flasher 32. If required the amber lamps Y can also be flashed under these conditions by making the connection shown as 35.