baber/WOPTO huggingface dataset:
Patent GB-1063222-A (GB)
Title: Polyurethane foams
IPC: C08G18/63
Filed: 1964-02-04
Abstract: A polyol composition for preparing polyurethane foams is prepared by polymerizing 1 to 70% by weight of the composition of one or more monomers of the formula CH2 = CRR1 where R is hydrogen, halogen or methyl radical, and R1 is halogen, phenyl or cyano radical, or an alkenyl radical having 2 to 6 carbon atoms in the presence of a polyol having reactive hydrogen atoms and a free radical catalyst at 40 to 150 DEG  C., optionally in the presence of a solvent.  Suitable polyols which preferably have a molecular weight of over 500, are hydroxyl - terminated polyesters, polytetramethylene glycols, trialkanolamines, sugars and polyphenols, and alkylene oxide adducts with these and with polyhydroxyalkanes, mono- and poly-amines aromatic amine/phenol/aldehyde condensation products, and phosphorus acids. Specific polymers used are, inter alia, (G) and (I) polyether-diamines prepared by reacting polypropylene glycol or glycerol/propylene oxide condensate with acrylonitrile, followed by hydrogenation, (J) a tercondensate of tetrahydrofuran, propylene oxide and dipropylene glycol, and (L) a condensate of propylene oxide with a tercondensate of phenol, aniline and formaldehyde.  Specified monomers are vinyl and vinylidene halides, acrylonitrile, methacrylonitrile, isoprene, butadiene, 1,4-pentadiene, 1,6-hexadiene, 1,7-octadiene, styrene, x-methylstyrene, ar-cyanostyrene, ar-methoxy styrene and ar-pentoxystyrene.  Specified free radical catalysts are peroxides, azo compounds, persulphates, percarbonates and perborates. Many examples are given.  The polyurethanes may be prepared from the polyol compositions by prepolymer, quasi-prepolymer and one-shot techniques.  Specified polyisocyanates are 2,4-and 2,6-tolylene diisocyanates, durylene diisocyanate, bis(4 - isocyanato - phenyl)methane, 4,41,411 - tris - (isocyanato phenyl)methane, hexamethylene diisocyanate, xylene diisocyanates, 3,10 - diisocyanato - tricyclo-[5,2,1,02,6]-decane. Suitable catalysts are tertiary amines and phosphines, strong bases, acid metal salts of strong acids, metal chelates, alcoholates, phenolates, organic acid salts, organo-metallic derivatives of Sn, As, Sb and Bi, and Fe and Co carbonyls; many are specified. Suitable blowing agents are water and halogenated aliphatic hydrocarbons. Polysiloxane polyoxyalkylene block copolymers are suitable emulsifiers.
Patent GB-1406246-A (GB)
Title: Seats with back support
IPC: B60N2/75
Filed: 1972-02-02
Abstract: 1406246 Adjustable vehicle seats IPECO EUROPE Ltd 31 Jan 1973 [2 Feb 1972] 4820/72 Heading A4J A seat particularly for aircraft comprises a back support frame 10 on which is adjustably mounted a backrest 7 including a lumbar support 4, the backrest 7 being adjustable longitudinally of the support frame 10 to alter the distance of the lumbar support 4 from the seating surface and being pivotable relative to the support frame 10 to alter the distance of the lumbar support from the support frame. A rod 22 screwthreadingly engages a boss 20 in a shaft 15 on which the backrest 7 is pivotally mounted, rollers 16 on the shaft being engaged with slots 17 in the sides of the frame 10 and being moved along the slots to cause the longitudinal displacement of the rest 7 relative to the frame 10 when the rod is rotated by a control knob 55 via a wheel 24. Pivotal movement of the backrest 7 about shaft 15 is effected when a shaft 25 which carries lever arms 26 having studs 27 engaged in slots 28 in the backrest 7 is rotated through a knob 56 via a worm 34, rod 32 worm 31 and pinion 30. Knob 56 is coaxial with knob 55 which are coaxial with the axis 13 about which the whole of the seat back is adjustable. The backrest may carry a shoulder support 5 which can be integral with or separate from the lumbar support. The seat may carry armrests 9 which are moveable to a vertical out-of-use position about a first horizontal axis 36 and adjustable in the in-use-position about a second horizontal axis 42.
Patent GB-973715-A (GB)
Title: Thermally operated fluid flow control valve
IPC: F24F1/01
Filed: 1961-02-09
Abstract: 973,715. Valves. CARRIER CORPORATION. Feb. 9, 1961 [May 5, 1960], No. 4928/61. Heading F2V. [Also in Divisions G1 and G3] In a room air heating and cooling apparatus substantially as described in Specification 973,612, the change-over valve 21 and its thermal actuator 22 are as shown in Fig. 1 where the valve casing has end clamping portions 75, 80 holding it in thermal contact with a bend of a serpentine-coil heat exchanger whereby spring-loaded thermal element 54 and piston 55 through spring over-ride device 57 positions ball valve 49 to connect pipe 44 to either 43 or 45. Excess pressure in pipe 44 is relieved by a weighted ball valve. Specification 972,077 also is referred to.
Patent GB-245303-A (GB)
Title: Improvements in pistons, pump plungers, and the like
IPC: F16J1/00
Filed: 1925-02-23
Abstract: 245,303. Miller, E. E. Feb. 23, 1925. Pistons; packing; attaching to rod.-A rubber or other flexible ring 19 of U-section is reinforced by rings 23 of hard rubber &c., in order to prevent creeping of the rubber between the cylinder and the piston heads. The piston consists of a head 13, mounted on a tapered part of the pistonrod, and forming an abutment for a head 16 secured by nuts 21, 22. Packing 25, 26 is preferably inserted between the piston heads and between the piston head 16 and the nut 21, respectively. The heads are formed with perforations 15, 18 and recesses 19' to permit access of the fluid to the back of the packing.
Patent GB-532863-A (GB)
Title: Improvement in or relating to apparatus for the washing or liquid treatment of air
IPC: B01D47/02
Filed: 1939-02-16
Abstract: 532,863. Washing air. ARMSTRONG, J. J. V. (Wittemeier, H.). Feb. 16, 1939, No. 5054. [Class 55 (ii)] The air is fed through a pipe 2, and is distributed by a guide member 3 fitted with vanes 4 and partly immersed in a liquid bath 5. The air panes through a grating 9 to damp circular motion, a filter 8, a dead space 10, and escapes through a pipe 12. The vanes are held between guide plates 3a, 3b, the latter extending substantially across the liquid bath. In a modification the guide is conical in formation, and is placed above the surface of the liquid. U.S.A. Specification 2,004,467 is referred to.
Patent GB-1411527-A (GB)
Title: Liquid electrophotographic developers
IPC: F16C7/00
Filed: 1974-02-04
Abstract: 1411527 Connecting-rods MASCHINENFABRIK AUGSBURG-NURNBERG AG 4 Feb 1974 [15 Feb 1973] 05132/74 Heading F2T A multi-part connecting rod comprises a first separating face 8 in the zone of the crank pin bearing and a further separating face 7 in the shank in the centre between the crank pin bearing and small end bearing, the screw threaded fasteners 12 of the further separating face being arranged to surround the shank on all sides. Eight equi-spaced screws 12 may be provided each passing into a sorewthread 15 in an annular flange 10.
Patent GB-470775-A (GB)
Title: Improvements relating to electric motor generator sets
IPC: B60L9/04
Filed: 1936-02-20
Abstract: 470,775. Exciting dynamo - electric machines. PESTARINI. G. M. Feb. 20, 1936, No. 5206. [Class 35] Each machine of a motor-generator or motor booster set is excited from a separate separately-excited constant current exciter each exciter also having a winding excited by the machine which it excites. In the form shown, the rotary transformers 2, 4 acting as exciters are supplied by the battery 5 and each has a field winding fed by the battery. The exciter 2 has a winding 9 in series with the motor M and normally opposed by the winding 8 whilst the exciter 4 has a winding 11 in series with the generator G and opposing the winding 12 whilst a winding 10 in parallel with the generator is also provided. Instead of being connected as a booster for the motor supply, the generator may be in a closed circuit with the load. Specifications 399,351; 404,739, [Group XXXVII], 417,517, and 438,374, are referred to.
Patent GB-909395-A (GB)
Title: Improvements in or relating to bellows-type shaft seals
Inventor: EVANS HARRY JAMES
IPC: F16J15/36
Filed: 1958-02-18
Abstract: 909,395. Stuffing-box substitutes. POWER AUXILIARIES Ltd. April 27, 1959 [Feb. 18, 1958], No. 5212/58. Class 122 (5). In a rubbing-collar type shaft seal comprising a ring D urged into contact with a partition F, through which the shaft A extends, by a bellows I connected at one end to the ring D and at the other end to the shaft, the bellows consists of a length of helically convoluted flexible tubing. The bellows may be welded or brazed to the shaft at one end as at J, and connected in fluid-tight manner at its other end to a holder C for the ring D which may be of carbon.
Patent GB-739939-A (GB)
Title: Improvements relating to stands for mirrors
IPC: A45D42/18
Filed: 1954-02-23
Abstract: 739,939. Looking-glasses. BEDSON, E. Feb. 23, 1954, No. 5215/54. Class 52 (4). Three pivotally mounted mirrors A<SP>1</SP> A<SP>2</SP> are carried by a stirrup-shaped head B detachably mounted on a telescopic upright which also carries a tray G. Detachable feet I<SP>1</SP>, I<SP>2</SP> and a lamp bracket E are provided.
Patent GB-381071-A (GB)
Title: Strap for the waistband of trousers
IPC: A41F9/00
Filed: 1932-02-22
Abstract: 381,071. Trouser waistband straps. HAPPEK, E., 60, Charlottenstrasse, Berlin. Feb. 22, 1932, No. 5254. [Class 141.] A strap c is sewn to the inner side of a trouser waistband b and has woven, knitted, or sewn to it on the side bearing against the body several projecting longitudinal strips e formed of threads of rubber or similar material, to form narrow flat bands having a rough surface. The threads are preferably omitted at the points g where side buckles for adjusting the waistband are arranged.
Patent GB-329040-A (GB)
Title: Improvements in power systems
IPC: H02P9/06
Filed: 1929-02-16
Abstract: 329,040. Johnson, E. M., Young, A., and Associated Electrical Industries, Ltd. Feb. 16, 1929. Dynamos and motors combined for transmitting power.-In power plant wherein a reversible reciprocating engine operates a main drive and a second prime mover operating from the exhaust of the first prime mover is used to transmit power through an electric transmission system to the main driving shaft, an excitation system is provided wherein the main motor has composite excitation of which one component has reversible series characteristics and another component has shunt or separate excitation characteristics, the first component assisting the latter when power is being supplied to the motor and opposing when the motor tends to supply power to the generator. On ships this may be arranged so as to provide a governing effort to the propeller when the latter is racing. A generator 1 is driven by the exhaust motor and 3 and 4 are exciter generators also driven thereby. The exciter 4 is excited by the main current, and for this purpose a field winding 5 is connected through rheostat 6 across one of the inter pole windings 7 on the main generator 1. The exciter 4 supplies the field winding 8 of the motor 2 for the series excitation thereof. The exciter 3 the field winding 9 and the generator 1 and the shunt field winding 10 of the motor 2. The reversing switch 11 is disposed in the circuit of the field winding 9 and the reversing switch 12 in the circuit of the field winding 8. Fluctuation in power transmitted between the generator 1 and motor 2 may be controlled by adjusting the relative strengths of the two motor field windings 8, 10. Specification 325,269, [Class 110 (iii), Turbines &c.], is referred to.
Patent GB-713125-A (GB)
Title: Improvements relating to multi-wave switches for waveguide systems
Inventor: SUTHERLAND JOHN WINGATE
IPC: H01P1/12
Filed: 1952-02-28
Abstract: 713,125. Waveguides. METROPOLITANVICKERS ELECTRICAL CO., Ltd. Oct. 14, 1952 [Feb. 28, 1952], No. 5280/52. Class 40 (8) A waveguide switch comprises a cylindrical rotor 1 having a passageway 6 which can connect any selected pair of waveguides 3, 4, and 5 spaced round the housing of the rotor, together with choke joints consisting of shallow groves 11, 12 and 13 extending axially across the circumferential face of the rotor, the axial edges of the grooves being circumferentially a quarter working wave length from adjacent waveguides when passage 6 is coupling a pair of wave guides.
Patent GB-279691-A (GB)
Title: Improvements relating to the manufacture of pillars, columns or the like
IPC: E04H12/18
Filed: 1927-02-25
Abstract: 279,691. Poitzi, F. Feb. 25, 1927. concrete posts.-Pillars are formed of tubular metal or like sections and a concrete filling, the sections being telescoped together for transport and shaped to lock together when extended. The interior surface may be grooved or toothed to key with the filling, and internal bracing, webs, or gussets may be added.
Patent GB-1180112-A (GB)
Title: Sheet Feeding Device.
IPC: H04N1/06
Filed: 1967-02-03
Abstract: 1,180,112. Feeding Sheets. AMERICAN SAINT-GOBAIN CORP. 3 Feb., 1967 [3 Feb., 1966], No. 5360/67. Heading B8R. Sheets 31 supported on edge in a storage rack 32 are allowed manually or automatically to fall one at a time in an arcuate path on to a receiving table 3 where they actuate a limit switch 7 to cause a series of conveyer belts 5 supported on a carriage 4 to be raised above the level of the surface of table 3, thereby lifting the sheet from the table and forwarding it on to a further conveyer system leading to a sheet processing station. The sheets may be of glass, plasterboard or metal plate and be fed to a cutting apparatus. Actuation of switch 7 causes air from a valve (not shown) to enter cylinder 17 and starts the conveyer belt motor. Pressure in cylinder 17 causes a piston to force a cam follower 15 over an inclined cam, thus raising the carriage 4. A second cam follower 14 may be provided. A second limit switch 6 keeps the conveyer belt motor running and prevents lowering of carriage 4 until the sheet is clear of the feeder 1. In an alternative embodiment the table may be lowered instead of the belts being raised. The surface of table 3 may be of wood or rubber.
Patent GB-558421-A (GB)
Title: Improvements relating to the joints of walls, roofs and the like constructed from panels or slabs and means for covering such joints
IPC: E04B2/74
Filed: 1942-04-22
Abstract: 558,421. Walls and roofs. BRUNTON, B., and BOOTH, R. G. April 22, 1942, Nos. 5385/42 and 8093/43. [Class 20 (iv)] A wall is composed of panels or slabs each of which comprises a core 10 of fibrous or other filler with a cementitious or synthetic resin binder, faced with plywood or asbestos cement 11 and having a wood frame 12 recessed to receive the facing sheets. A spacing bar 15 is interposed between adjacent panels, with tongues 16 engaging slots in the frame 12, and cover strips 17 are applied over the panel edges, meeting the frame 12 at bevelled surfaces 13 which intersect where the wall centre line intersects a transverse centre line through a joint. Preformed holes in the cover strips enable the strips to be screwed or nailed to the frame 12 and bar 15. In the case of a 4-way junction of walls, Fig. 3, the cover pieces 29 are of quadrantal form through which screws pass into the bar 15, so that the panels are gripped between the opposite cover pieces. In the case of two walls at right angles, Fig. 4 (not shown), a strip similar to 29 is placed within the angle, and a wide strip at an angle of 45 degrees across the outside of the corner. A panel may be joined to a column or door frame by shaping the latter in a manner similar to a panel edge. In another modification, Fig. 5 (not shown), the spacing bar 15 is omitted and the cover strips are extended inwardly to take its place. The grooves 14 are then unoccupied, or may contain waterproofing material.
Patent GB-292645-A (GB)
Title: Control mechanism for variable velocity ratio gearing and other mechanism comprising movable members which are selectively operated
IPC: F16H61/02
Filed: 1927-02-25
Abstract: 292,645. Normanville, E. J. de. Feb. 25, 1927. Controlling variable-speed gearing.-Selective control mechanism described as applied to brakes in epicyclic variable-speed gearing comprises pistons operated by fluid under the control of valves which are moved separately by means controlled by a single selector shaft. The speed gearing shown in Fig. 1 is controlled by applying brakes to drums 36 selectively. The brakes are blocks 57, Fig. 2, adjustably secured to rams 33, the cylinders 32 of which are connected in pairs by pipes 56a. There are inlet valves 34, one to each pair of cylinders, and relief valves 58 the opening and closing of which is effected by a rock-shaft 38 operated from a pedal 43, Fig. 3, like a clutch pedal. When the pedal 43 is depressed, the shaft 38 turns to the right of Fig. 2 and projections 59 function to open all the relief valves. At the same time, recesses 45 come into position to be engaged by the selective opening device for the inlet valves 34. A selector shaft 53 is turned by suitable means 53<1> so as to bring notches 54 on shaft 53 into the paths of triggers 52, Fig. 6, upon levers 51, one for each inlet valve, which are normally held by springs 47 against a stop bar 49. The inlet valves are selected in combinations as well as singly. On depression of the pedal 43 to open all cylinders, a spring plunger 50 in connection with each inlet valve selected snaps into a recess 45, so that on release of the pedal, the lever 51 corresponding is swung to the right of Figs. 6 and 2, so as to engage the stem 55 of the valve 33 and open the valve to pressure oil in accumulator 20, which is replenished by a pump 10, Fig. 3. Excess oil in the accumulator 20 escapes by a passage 30, Fig. 2, to a forced lubricating system of the transmission gearing, there being an escape valve 31 for excess oil. When the gearing is locked solid by a clutch C, Fig. 1, and lubrication is not required, the inlet valve to the oil pump 10, Fig. 3 is closed.
Patent GB-537572-A (GB)
Title: Improvements in photographic cameras
IPC: G08G1/054
Filed: 1940-03-26
Abstract: 537,572. Photographic cameras. BUCKHAM, C. W. March 26, 1940. No. 5459. [Class 98 (i)] A camera which may be used for taking one or several pictures at a time includes a central lens, a pair of side lenses making exposures in directions diverging from that of the central lens, a focusing chamber for each lens, means for holding a film across the inner end of each chamber, and means for individually and simultaneously releasing the shutters. As shown, a camera for mounting on a motor car, for example above the windscreen, comprises an outer casing 71, an intermediate casing 72 carrying a front lens 51 and two side lenses 50,52 with their shutters, and an inner casing 70 forming the chambers 80, 81, 82 and carrying the film spools 53, 60 and feeding rollers 86, 87. This inner casing is removable by opening a lid 73 at the top of the outer casing. The film passes from the spool 53, around rollers 55-59 and through the focal planes at the end of the chambers 80, 81, 82, to the take-up spool 60. It is fed by a spring-driven feed roller 86, against which it is held by a pressure roller 87 carried by pivoted arms 91 and urged by a spring 94. The roller 80 is driven by a spring motor 105, which through a worm drive (not shown) rotates a gear 96 engaging a gear 95 on the spindle of the roller. The take-up spool 60 is driven by friction gears 89, 90. The spring motor is held against operation by a pawl (not shown) engaging a notch 42<SP>1</SP> in a disc 42 and tripped by a bell-crank lever operated by a cord 9, Fig. 11. The shutters are operated by bellcrank levers, 35, 36, 37, to which cords 6, 7, and 8 are connected. Cords secured to these cords pass round rollers to a yoke 21 connected by a cord 22 to a pedal adjacent the brake pedal, so that in case of an approaching accident three photographs can be taken simultaneously with the operation of the brake, and the spring motor released to feed the film. Alternatively, the cords may be individually operated to take a single photograph with one of the lenses, and the film be fed subsequently. The film is sensitized on both sides, and is provided with a paper strip having cut-out portions 66, Fig. 12, through which the exposures are made on one side of the film, by the side lenses, and solid sections 67 where the exposure is made on the other side of the film by the central lens. Alternatively, the film may be sensitized on both sides only at the zones which will be exposed.
Patent GB-189035-A (GB)
Title: Improvements in shock absorbers for motor cars and other vehicles
IPC: F16F7/04
Filed: 1922-02-24
Abstract: 189,035. Julien, J. D. Feb. 24, 1922. Vibration-dampers.-Shock-absorbers comprising a one-way clutch which transmits the motion of an adjusting member, connected to the vehicle spring, to a braking device, are provided with means whereby the actuating member is automatically disengaged during movement of the spring from the normal position in either direction, but comes into action as soon as the spring moves towards its normal position. The casing 6 is fixed to the chassis, and a shaft 1 connected to the spring turns in a sleeve 5 therein. The shaft carries a housing 8 for rollers 9 mounted eccentrically on pivots 10 arranged at equal distances from the eccentric periphery of the sleeve 5. The rollers are adapted to engage an eccentric drum 11, fitting on the sleeve, and may be held in contact by springs. The sleeve 12 of the drum 11 is keyed to friction discs 13 engaging discs 14 keyed to the casing 6. a spring 15 holding them in engagement. On relative movement of the chassis and spring from the normal, the rollers on one side are disengaged, and those on the other wipe over the drum 11, but on return the latter rollers grip the drum and turn it against the friction of the discs 13, 14. The rollers may be replaced bv clutch elements or friction pawls of segmental shape.
Patent GB-622160-A (GB)
Title: Improvements in or relating to shears for cutting sheet metal and the like
IPC: B41J1/34
Filed: 1947-02-25
Abstract: 622,160. Shearing. MUGNEROT, H. A. Feb. 25, 1947, No. 5470. [Class 83 (iv)] A machine for shearing by slot-cutting, comprises a bell-crank 9, 3 oscillated by a cam 18 against pressure of a spring 12 and terminating in a blade 4 co-operating with a slot 5 in a supporting plate 6. The cam 18 may be rotated by an electromotor 19 or by a chuck on a boring machine.
Patent GB-949441-A (GB)
Title: Coal breaker for mining
IPC: E21F13/00
Filed: 1962-02-13
Abstract: 949,441. Coal breakers. A. OELLRICH, [trading as MASCHINENFABRIK UND EISENGIESSEREI A. BEIEN]. Feb. 13, 1962 [March 23, 1961], No. 5524/62. Addition to 936,842. Heading B2A. In a coal breaker as set forth in the parent Specification the gas compressor 6 is disposed on a clutch housing 22 between the driving motor 23 and a transmission gear 24 such that a toothed wheel 25 mounted on the clutch half of the motor or the transmission gear meshes with a toothed wheel 26 of the gas compressor to drive the latter. The gas is fed into a tank connected to the cylinder spaces of the lifting cylinders 5. A second drive may be provided on the opposite side of the breaker.
Patent GB-113545-A (GB)
Title: Means for Retaining Tripod Legs Extended.
Inventor: TORR JOHN GEORGE
IPC: F16M11/34
Filed: 1917-04-23
Abstract: 113,545. Torr, J. G. April 23, 1917. Tripod stands.-The legs of tripods are held extended by arms 6 pivoted to a central boss 9 and to clips 16 on the legs, the inner ends of the arms 6 being locked by the head 10 of a screw which screws into the boss. One or more of the arms 6 may be extensible.