baber/WOPTO huggingface dataset:
Patent GB-331497-A (GB)
Title: Improvements in or relating to carbonizing material at low temperatures
IPC: C10B1/10
Filed: 1929-03-02
Abstract: 331,497. Pamart, C. March 2, 1929. Addition to 268,613, [Class 55 (i), Coking &c.]. Discharging.-Semi-coke from a low temperature distillation retort falls into a hopper 24, which is mounted on springs 25, and when lowered, due to the weight of coke, levers 26 open a door 27 through which discharge takes place, a. liquid seal 28 preventing access of air to the hopper.
Patent GB-138208-A (GB)
Title: Improvements in or relating to railway signalling apparatus
IPC: B61L3/02
Filed: 1919-03-19
Abstract: 138,208. Sykes Interlocking Signal Co., W. R., Tiddeman, E. S., and Russell, F. V. March 19, 1919. Track apparatus for stopping trains.-In apparatus of the kind in which danger-signals or train-stopping apparatus are operated by mechanical means at each track ramp unless an electro-magnetic restraining-device is energized by current received from the track ramp through the mechanical contact device such as is described in Specifications 6499/15 and 112,191, the plunger is locked in its raised position at a danger home signal but not a clear home signal, nor at a distant signal at which the plunger is raised a less distance than at a home signal. The latch can only be released by the driver after dismounting from the locomotive. At a distant signal, the brakes may be only partly applied, and different whistles are sounded at home and distant danger signals. Danger signals are operated if the contact shoe is broken. The shoe 16 is carried by a plate 11 adjustably mounted on a plate sliding in vertical guides on the base 13. This plate carries a stop 22 and a bell-crank 20 which holds the lever 17 in position to maintain closed the valve 39, which is also controlled by the electro-magnet 31 as described in the prior Specification. The plate 11 also carries an arm 71 with a pin 70 coacting with a slotted valve spindle 64, so that the valve connects the brake-venting pipe 42 to one whistle pipe 68 when the plunger is in its lowered position or in the position to which it is raised at a distant signal, and to another whistle pipe 67 when the plunger is raised at a home signal. A spring- pressed latch 46 is arranged to enter the slot 50 in the plunger when this is raised at a home signal, but is held out of action, if the signal is clear, by a pawl 59 carried on the spindle of the lever 17 engaging a sliding rod 51, which serves as a latch-releasing member after operation. Fig. 8 shows the lever 20 supported by a bell-crank 72 instead of by the fixed stop 22. This bell-crank is held in position by the rod 74, 75 attached to the shoe 16, so that if the shoe is broken away, the brakes will be applied.
Patent GB-747220-A (GB)
Title: Improvements relating to transistor amplifiers
IPC: H03F3/343
Filed: 1954-03-09
Abstract: 747,220. Transistor amplifying circuits. GENERAL ELECTRIC CO. March 9, 1954 [March 9, 1953], No. 6860/54. Class 40 (6). In a D.C. connected cascaded junction transistor amplifier, a resistor is included in the baseemitter circuit of each transistor, other than the first, to prevent the low input impedance of the transistor from short-circuiting the high impedance circuit of the previous collector circuit. Input signals from source 47, applied to the base-emitter circuit 14, 16, appear in amplified form in the collector-emitter circuit 11, 16 and are fed directly to the base-emitter circuit 19, 20. A resistor 39 in series with the base-emitter circuit 19, 20 increases the resistance presented to the emitter-collector circuit 11, 16. To reduce the loss in gain at high frequencies a capacitor 47 may be added. In a modification, Fig. 2 (not shown), the resistor 39 and capacitor 47 are arranged in the emitter load. As an alternative resistors and capacitors may be arranged in each position. Specification 728,129, [Group XXXVI], is referred to.
Patent GB-917188-A (GB)
Title: Improvements relating to beds, particularly hospital beds
IPC: A61G7/005
Filed: 1961-02-24
Abstract: 917,188. Bed lifts. TULLIS, J. K. Nov. 14, 1961 [Feb. 24, 1961], No. 6875/61. Class 52 (2). [Also in Group XXX] A bed elevating device is detachably secured to either or both ends of a bed and comprises a tubular metal frame 1, a floor bearing pad 2 attached to a ram rod slidable in a piston 4 attached to the frame so that the frame and bed can be raised by pumping fluid into the cylinder by a hand-operated pump 8. Alternatively a hand-operated screw jack carried by the frame may raise the bed. Steadying feet 5, resiliently urged downwardly, are provided.
Patent GB-950305-A (GB)
Title: Improvements in rotary drag bits
IPC: E21B10/54
Filed: 1962-02-22
Abstract: 950,305. Boring earth. JERSEY PRODUCTION RESEARCH CO. Feb. 22, 1962 [Jan. 4, 1962], No. 6917/62. Heading E1F. A drag bit comprises a body 11 adapted for connection to the bottom of a drill string, blades 14, 15 extending laterally beyond the body, and pads 26, 27 between the blades and extending over 25-75% of the periphery of the body between the blades. The pads extend within 1/32 inch of the gauge surfaces of the blades and have surfaces 28, 29 containing particles or inserts of tungsten carbide or like hard material. The cutting faces and gauge edges of the blade are covered with a matrix 22 containing tungsten carbide or like hard material particles 23, 24 and diamonds 25.
Patent GB-1430043-A (GB)
Title: Process for the preparation of diaminodiarylmethanes
IPC: C07C211/50
Filed: 1974-02-15
Abstract: 1430043 Diaminodiarylmethane BAYER AG 15 Feb 1974 [17 Feb 1973] 6974/74 Heading C2C A diaminodiarylmethane containing an increased proportion of 2,4<SP>1</SP> - diaminodiarylmethane is prepared by heating a mixture of a polyamino polyarylmethane having at least three aryl amino groups with a monoarylamine of the formula where R is H, halogen, alkyl, alkoxy or aralkyl or a condensed benzene ring and R 1  is H or alkyl, in the presence of a solid acid catalyst which is insoluble in the reaction mixture, in the presence of water.
Patent GB-216953-A (GB)
Title: An adhesive
IPC: C09J189/00
Filed: 1923-03-10
Abstract: 216,953. Broadfoot & Sons, Ltd., J., and Robertson, J. G. March 10, 1923. Adhesives.-An adhesive comprises animal or fish glue, formalin, and an alkaline earth oxide or peroxide. A weak caustic alkali may replace the alkaline-earth constituent and a filler such as kaolin or asbestos may be added. The adhesive may be prepared in two solutions, one containing the alkaline-earth constituent and glue, and the other containing glue, formalin, and the filler. The solution may be mixed immediately before use, or applied separately to the surfaces to be cemented. An example of suitable proportions is given.
Patent GB-844656-A (GB)
Title: Ethylene polymerisation
Inventor: GILCHRIST ANDREW
IPC: C08F10/00
Filed: 1958-03-05
Abstract: Ethylene is polymerized by irradiating it with ultraviolet light in the presence of a compound occupying one of the 4th to 10th places after an inert gas in one of the long periods of the Periodic System of elements.  The metal compound is preferably volatile and the ethylene is saturated with the vapour of the metal compound before irradiation.  The polymerization is generally effected under normal conditions of temperature and pressure.  The preferred compound is titanium tetrachloride.  The presence in the polymerization mix of 5 to 30 parts per million by weight improves the rate of polymerization.  The polymer may be purified with methanolic hydrochloric acid.
Patent GB-564868-A (GB)
Title: Improvements in adjustable seats
IPC: B60N2/04
Filed: 1943-05-05
Abstract: 564,868. Adjustable seats. CHESTON, A. S., EDMONDS, E. C., CHESTON, B., and CORBER, F. H. May 5, 1943, No. 7067. [Class 52 (ii)] In a seat carrying frame 11 attached to a fixed base 3, e.g. by pairs of equal or unequal links 2, the angular position of the links 2 can be varied to adjust the height and tilt of the seat, by means of a pair of toggle links 5, 6 adjustable to or from straight line position, e.g. by a handle 8 and screw 9. One end of the toggle is secured to a cross-tube 4 fixed in the base, the other end being secured to the top frame at 10. Various constructions of toggle or their equivalents are described. The seat may be mounted on a vertical wall as described in Specification 560,404.
Patent GB-265405-A (GB)
Title: Improvements in and relating to boxes of cardboard and the like
IPC: B65D5/20
Filed: 1926-03-13
Abstract: 265,405. Stevenson, A. March 13, 1926. Specially-shaped boxes formed from special blanks.-The lid and body portion of a flanged box are each formed from a blank cut and creased as shown. The portions of the blank between the creases 3, 12 and 3, 9 form the flanges to the base J when the sides 4, 14 are bent at rightangles thereto and the extensions 5 on the sides 4 are bent in at right-angles thereto against the sides 14 and covered bv the extensions 6 on such sides; the flaps A on the extensions 6 engage the base 1 and may be secured thereto by adhesive or by a piece of cardboard fitting the interior of the box or lid.
Patent GB-680148-A (GB)
Title: Improvements relating to hair dryers
Inventor: LEATHER GEORGE BERRELL
IPC: A45D20/44
Filed: 1950-03-22
Abstract: 680,148. Hair dryers. EUGENE, Ltd. Feb. 26, 1951 [March 22, 1950], No. 7203/50. Class 81 (ii). A hair dryer comprises a heater and motor fan unit mounted within a cabinet 10 adapted to stand beside a customer, a helmet being supported and supplied with hot air by a conduit 25 carried by the top 14 of the cabinet 10. The cabinet 10 contains a motor 15 and a fan 16, a sinuous air conduit 19, 20, 22 and a well 34 for receiving the helmet and its supporting conduit 25 when not in use. Portions 19, 20 of the sinuous conduit are perforated and surrounded by glass wool packing 21 for sound deadening purposes and a vertical portion 22 contains a bonnet 23 supporting coiled heating elements 24. A tube 27 telescopically surrounds the vertical portion 22 of the sinuous conduit and projects beyond the top 14 of the cabinet 10 to form a socket for the conduit 25 which supports the helmet. A link 30 attached eccentrically at the top to a shaft 31 and a handle 32 and provided at the lower end with a wedging roller 28 serves to lock the tube 27 in any desired position relative to the conduit portion 22 which it surrounds in order to provide adjustment of the height of the helmet. The position of the helmet relative to its supporting conduit 25 may also be adjusted. Control switches are provided on the top 14 of the cabinet 10 for the use of the operator and the customer. A retractable shelf 36, which when not in use covers the well 34, and a reading lamp 38 are provided. Air for drying enters the cabinet 10 through spaces 42 between the sides of the cabinet 10 and the flanged edge 43 of the top 14 of the cabinet 10. Specification 644,763 is referred to.
Patent GB-120001-A (GB)
Title: Improvements in Carburetters for Internal Combustion Engines.
Inventor: DONNING GEORGE WASHINGTON
IPC: F02M17/14
Filed: 1917-10-11
Abstract: 120,001. Donning, G. W. Oct. 11, 1917. Spray-carburettors.-The throttle valve is adjustably connected to the fuel valve which, after. a predetermined movement, actuates positively a suction-actuated air valve. A perforated disk attached to an extension of the fuel valve serves to force an extra charge of fuel through the nozzle when the throttle is opened rapidly; the carburettor is provided with a hot-liquid jacket, and with a priming valve adjacent the throttle. The carburettor 7 comprises an air inlet 8, fuel nozzle 111, mixing chamber 9, and throttle valve 94 which controls the outlet to the induction pipe 5, and above which is a gauze sheet 115. It is provided also with a jacket 56 into which hot liquid may be poured, to facilitate starting, through a spout 57, the liquid being drained away at 58. Fuel may be admitted adjacent the edge of the throttle through an adjustable valve orifice 12 supplied through a branch 17 of the pipe 18 which feeds the float chamber 81 shown as being adjustable vertically by a screw. Fuel passes through the pipe 89 to the nozzle 111 which is reduced in diameter at its upper end 105 and is controlled by a taper valve 104 having a depending stem 109 provided with a perforated disk 110 which serves to force fuel through the nozzle outlet when the valve 104 is opened rapidly by the throttle valve. The connexion between the throttle and fuel valves comprises a lug 95, link 97, and plunger 98 which passes through a bridge piece 99 and is prevented from rotating therein by a feather. The valve 104 is provided with a collar 112 which, after a predetermined movement of the valve, engages and lifts an air valve 102. The air valve has a depending portion 106 which leaves an annular space between it and the part 105 of the nozzle, through which space air may enter and mix with fuel, the mixture escaping through holes 107 in the air valve. In a modified form of throttle valve, the link actuating the fuel valve is connected to a plate secured to the throttle spindle by a screw. The throttle is mounted on a sleeve which surrounds the spindle and is adjustable relatively thereto. The throttle valve may therefore be adjusted relatively to its actuating mechanism. Specification 119,888 is referred to.
Patent GB-232021-A (GB)
Title: Improvements in valve operating mechanism for internal combustion engines
IPC: F01L1/18
Filed: 1924-03-21
Abstract: 232,021. Sunbeam Motor Car Co., Ltd., and Coatalen, L. March 21, 1924. Cam gears. - An eccentric mounting for a valve rocker of fluid-pressure engines comprises an eccentric bush B adjustably carried upon a spindle C and fixed in the adjusted position by a clamping-bolt D passing through split lugs B<3> provided at one or both sides of the rocker.
Patent GB-1506014-A (GB)
Title: Vacuum operated bottle filling heads
IPC: B67C3/26
Filed: 1975-02-21
Abstract: 1506014 Vacuum operated bottle filling head SEITZ-WERKE GmbH 21 Feb 1975 [25 Feb 1974] 7279/75 Heading B8T A vacuum operated bottle filling head comprises a suction tube 19 which has an enlarged inlet end 20 forming a valve for a movable liquid supply tube 18 and which, although continuously connected to vacuum, only draws in air through its inlet 21 during the filling operation and immediately before and after such operation. To fill a bottle it is raised against a seal 26 which has the narrow upper part of its bore wider than movable liquid supply tube 18. The seal rises with rods 23 such that atmospheric air is drawn in via the top of the seal bore and suction tube inlet 21. Ultimately the seal engages shoulder 15 to raise the liquid supply tube 18 against spring 17 such that tube 19 sucks up air from the bottle and the tube 18 is lifted from valve 20 to allow liquid into the bottle. Upon withdrawing the bottle the liquid supply tube 18 first descends against the valve 20 and atmospheric air is again drawn into the suction tube 19 to expel any residual liquid into reservoir 10. Further lowering of the bottle causes seal 26 to reclose suction tube inlet 21 whereby the overall quantity of air drawn through tube 19 (and thereby the risk of infection to the liquid in reservoir 10) is reduced. Resealing of a further container allows the unsealing of the suction tube 19.
Patent GB-526021-A (GB)
Title: Improvements in and relating to means for controlling the speed of toy motor cars
IPC: A63H29/04
Filed: 1939-03-06
Abstract: 526,021. Toy motor cars. MULLER, H. March 6, 1939, No. 7306. [A Specification was laid open to inspection under Sect. 91 of the Acts, Feb. 26, 1940]. [Class 132 (iii)] A spring-driven travelling toy is provided with means for putting into operation different running speeds and also for idle running and reverse. A spring motor 20 rotates through a train of gears, a crank 40 in a slot 41 of a rockable member 42, and a gear lever 55 engages notches 81, 82, 84, 85 in an H slot in a fixed plate 14, and slides in a slot 54 of a lever 49 pivoted at 50 to the plate 14, so that movement of the gear lever 55 tilts the lever 49, which through its slot 47 tilts a lever 44 which moves the rockable member 42 towards or away from the crank 40 so as to influence the speed of the motor. A lever 61 pivoted at 60 to the plate 14 is urged into an upper position by a spring- influenced lever 72 pivoted at 75, engaging the lever 61 through a slot 71, and has a cammed upper surface engaged by the lever 55 for neutral and reverse. In neutral the lever 55 engages the notch 66 to depress the lever 61 and hence the lever 72 slightly. This causes a bowmember 31 carrying pinions 33, 17, 29 to become horizontal, so that the forward drive through the pinion 29 is disconnected. In reverse the lever 55 enters the slot 86 and engages the notch 62 to depress levers 61 and 72 fully, so that the member 31 tilts for the pinion 33 to engage gear so that the car reverses slowly. An alternative way of disconnecting the drive, no matter what forward gear is engaged, is by depressing the lever 70 and so tilting the levers 61 and 72 to the neutral position. Figs. 13 and 14 (not shown) show a means for locking the reverse against accidental engagement. Fig. 16 shows an opening 107 to replace the H slot guide. In Figs. 22, 24 and 25 the crank 40 is replaced by a vane 118 rotating in a sleeve 119 which is movable longitudinally of the vane by a fork 121 mounted on a lever 123 slidable horizontally against the spring 134 by the action of the gear lever 55 in the H slot 151 and the opening 130 in the lever 123, neutral and reverse being obtained by the action of the gear lever 55 on a lever 138 operating the spring influenced lever 142 and so the bow-frame 31. The car is steered by the action of the long pinion 12 on a rack 11 connected to the steering levers 8 and 9.
Patent GB-655271-A (GB)
Title: Improvements in or relating to high frequency resonators for use in cyclotrons
Inventor: SNOWDEN MALCOLM
IPC: H05H7/18
Filed: 1948-03-10
Abstract: 655,271. Positive ion tubes. MINISTER OF SUPPLY. March 10, 1948, No. 7406. [Class 39 (i)] [Also in Group XL (b)]  Frequency modulation of a resonator for a cyclotron is obtained by means of a transmission line projecting from the dee housing and terminated at one end by a variable capacity, and at the other end by the capacity between the dee and the housing, thus forming a half-wave resonant system, the variable capacity being substantially less than between the dee and the housing. The resonator consists of a dee 1 of two parallel semi-circular plates with three tubes 3, 5, 6, extending from its curved wall and forming coaxial lines with three cylindrical tubes 8, 9, 10 extending from the flat steel tank 7 which surrounds the dee 1. The plates are hollow and contain cooling tubes. The two dee tubes 5, 6 carry the weight of the dee and are supported in trunnions 11, 12 and clamping rings 13, 14. They are sealed to outer tubes 9, 10 by vacuum seals 15, 16 which permit small axial and angular movements. Annular plates 17, 18 on push-rods 20 tune the lines. The line 3, 8 through which the R.F. power is projected is terminated by a cyclically variable condenser of the motor driven rotating-vane type or a resonant diaphragm as in Specification 655,272, [Group XL (b)]. Power is injected by a coupling loop associated with a grounded grid oscillator valve. The dee 1 is disposed between copper plates 23 in the tank 7, which is of steel lined with copper.
Patent GB-779919-A (GB)
Title: Improvements in or relating to connecting-rod bearing assemblies for pumps and like hydraulic machines
IPC: F01B13/06
Filed: 1955-03-16
Abstract: 779,919. Reciprocating pumps. GUYENNON, A. March 16, 1955 '[March 1, 1955], No. 7720/55. Class 102(1) In a radial cylinder pump having a cylinder block 8 mounted for relative rotation on a ported distribution shaft 6, the pistons 9 are connected to pairs of separate connecting rods 2 which are journalled on eccentric portions 3, 4 of the shaft 6, the eccentrics 3, 4 being of such a diameter as to enable the block 8 to be passed over them on to the shaft 6. As shown each piston has a crosshead 15 to which the pairs of connecting rods 2 are connected, are at each end, and which is lubricated together with the pistons from the cylinder bore 7 by a duct 46. The bearings on the eccentrics 3, 4 are lubricated by bores which communicate with the inlet bore of shaft 6. The block is rotated by a link 33, secured thereto by pins 32, 32<SP>1</SP>, and an Oldham coupling. A bush 41 fitted in the block 8 has cavities to lubricate the shaft 6 and bores which communicate with the cylinder bores 7 but which are angularly displaced from the axes of the bores 7.
Patent GB-800083-A (GB)
Title: Pouring mechanism for casting molten metal and the like
IPC: B22D17/30
Filed: 1956-03-12
Abstract: 800,083. Casting-machines. AMERICAN SMELTING & REFINING CO. March 12, 1956 [May 10, 1955], No. 7721/56. Class 83 (1). [Also in Group XXIX] Mechanism for pouring molten metal &c. into moulds consists of a pipe 1 carrying at its end a rotary plug valve 2 (see Group XXIX) having a spout 3 connected to the plug, and a handle 27  for operating the valve. The valve is closed when the spout is raised, and partially opened to provide a restricted flow into the mould 4 when the spout is lowered into contact with the bottom of the mould. The pipe 1 is supported by a swivel post 7 and a rod 9 so that it may be rotated to fill a number of moulds arranged in a circle. When the spout 3 is not in alignment with a mould, it may be lowered below the normal pouring position to open the valve fully to facilitate cleaning after removal of a plug 16 in the valve housing. The mould 4 is immersed in a tank 12 containing cooling water.