baber/WOPTO huggingface dataset:
Patent GB-720694-A (GB)
Title: Improvements in soot removing apparatus for steam boilers and the like
Inventor: ANDERSSON NILS OLOF BIRGER
IPC: F28G15/04
Filed: 1953-02-11
Abstract: 720,694. Soot blowers. AKTIEBOLAGET SUPERIOR. Feb. 11, 1953. No. 3902/53. Class 99 (2). A nozzle tube 1 is mounted on a carriage 33, which may be guided in a beam 4 by rollers 40, 42 or rails, longitudinally moved by an endless chain drive 17 to project and retract the tube to and from the blowing position, and the tube is rotated by transmission means on the carriage and operatively connected to the chain, e.g., by a helical gear 34 secured to the tube and meshing with a gear 35 mounted on a transverse shaft 36 driven by a sprocket wheel 37 engaged by the chain 17. The tube 1 may slide on a stationary tube 2 'connected with a main valve 11 through which a cleaning medium is supplied to the tube 1 during the forward and retracting movements of the tube, and the valve is preferably automatically acrtuated, e.g. by a servo-valve 46, Fig. 4, immediately at the beginning of the forward movement and immediately before the end of the retracting movement. The valve 46 may be operated by the engagement of a pin 49, secured to the carraige 33, with a spring-loaded fork-shaped member 48 so that the pressure of the blowing medium behind the piston 12 of the valve 11 is relieved through a conduit 14. The chain 17 may pass around a sprocket wheel 16 on the shaft 19 carrying a helical gear 20 meshing with a gear 21 on a vertical shaft 22 which is driven by an electric motor 28 through a worm gear drive 26, 27, and gears 23, 24. The shaft 22 may be extended for a handwheel 29 so that the tube 1 can be operated manually, the gear 23 being disengaged from the gear 24 by a lever 30. There may be a switch for reversing the motor 28 at the end of the forward movement of the tube 1 and a switch for stopping the motor at the end of the retracting movement. A scraping device or a ring-shaped brush 8<SP>1</SP> may surround and clean the tube 1, Fig. 2a. In a modification, the rotary motion of the tube 1 is stopped for a predetermined interval of time during the beginning of the retracting movement of the tube so that there is a difference in phase between the helical paths taken by the apertures 3<SP>1</SP> in the nozzle 3, and for.this purpose a lost motion connection is provided between the gear 35 and the shaft 36, Fig. 6b (not shown); alternatively, the tube 1 may remain in the forward position while rotating by providing a lost motion means in the driving train for effecting longitudinal movement of the tube, a separate and parallel driving train being provided for rotating the tube.
Patent GB-212859-A (GB)
Title: Improvements in or relating to kettles
IPC: A47J27/022
Filed: 1924-02-15
Abstract: 212,859. Poulter, C. Feb. 15, 1924. Heating-surfaces, increasing; convection currents, promoting. - The bottom of a kettle is conically recessed and formed with radial crimpings or corrugations to increase the heating surface, and an internal plate 4 having a central opening is provided to overlie and separate the inner surfaces of the corrugations, to assist the flow of the convection currents.
Patent GB-321374-A (GB)
Title: Improvements in or relating to railway rail chairs
IPC: E01B9/54
Filed: 1929-02-06
Abstract: 321,374. Chatwin, J., (Vereinigte Stahlwerke Akt.-Ges.). Feb. 6, 1929. Chairs with separate and fixed jaws ; chairs, securing to sleepers.- Rolled chairs consist of an interfitting jaw and base welded to a sleeper. In one form, Fig. 1, the base 1 has a lug 3 turned over a jaw 2 which has lateral projections engaging the sides of the lug. In a second form, Fig. 5, the jaw 7 has a foot 8 extending under the rail and entering a groove 9 in the base 6, a welding-seam 10 securing the parts together. In a third form, Fig. 7, the base 11 has lug 14 entering a recess 13 in the jaw 12 which is secured by a welding- seam 15 passing right round the jaw.
Patent GB-1403973-A (GB)
Title: Scissors lift assembly
IPC: B66F11/04
Filed: 1974-01-29
Abstract: 1403973 Platform elevators MARK INDUSTRIES 29 Jan 1974 [10 Sept 1973] 04055/74 Heading B8H A platform 10 is raised and lowered relative to a wheeled base frame 22 by means of a pair of parallel scissors linkages 20 each consisting of three pairs of arms 20a with the arms of each pair being pivotally interconnected at their centres and a shaped bracket 20b is mounted at each end of all of the arms 20a so that the pivot axis between the ends of adjacent arms 20a is offset from the longitudinal axes of the arms which permits the linkages 20 to be collapsed to a position in which the arms 20a of each pair engage the arms of the next lowermost pair as shown in Fig. 3 (not shown). Extension of the linkages 20 is effected by means of a vertically extending hydraulic cam 60 whose piston-rod engages with the underside of the platform 10 when the latter is in its lowermost position, the ram 60 moving the platform 10 upwardly through its initial stages of travel, a further hydraulic ram 52, which is pivotally mounted on the frame 22 and has its piston-rod connected to a cross-bar 50 extending between the centres of the two lowermost pairs of linkages, completing the upward movement of the platform 10.
Patent GB-1142235-A (GB)
Title: Improvements in conduit flanges
Inventor: SPENCER WILLIAM RALPH
IPC: F16L23/024
Filed: 1967-01-27
Abstract: 1,142,235. Pipe joints. GENERAL ELECTRIC CO. 27 Jan., 1967 [2 May, 1966], No. 4093/67. Heading F2G. The flange 14 of a conduit 10 comprises radially extending walls 22, 30 spanned by a plurality of circumferentially spaced tubes 26 secured to the walls and providing passages and rigid support for clamping bolts 18; the flange may be of rectangular, hollow cross-section and formed integrally with the conduit, or in the form of a ring of U-shaped cross-section or an annular ring of hollow, rectangular crosssection secured to the conduit. In the joint shown, a seal 20 which may be of metal, is clamped between the flanges.
Patent GB-1423222-A (GB)
Title: Multiple control assembly
IPC: G05G9/047
Filed: 1973-01-26
Abstract: 1423222 Motor controllers; electric switches, actuation INTERNATIONAL HARVESTER CO 26 Jan 1973 [1 Feb 1972] 4114/73 Headings HIS and H1N [Also in Division F2] A control device comprises a shaft 98 which is axially movable and rotatable by a handle 26, axial movement of the shaft from the position shown in Fig. 1 operating a switch 154, to deactivate a first circuit, and varying the resistance of a totary potentiometer 178 in a second circuit, and rotation of the shaft from the Fig. 1 position operating a switch 152, to deactivate a third circuit, and varying the resistance of a rotary potentiometer 172 in a fourth circuit. As shown, snap switches 154, 152 are provided in respective automatic control circuits for the boom and the bucket of a front end loader, as disclosed in Specification 1,382,068, the potentiometers 178, 172 being respectively provided in manually-controlled boom and bucket circuits. Switches 154, 152 are operated by respective balls 138, 136 as they move out of a circumferential groove 146 and an axial groove 142 in the shaft.  A spring 78 is provided around handle 26 to constitute a "deadman" arrangement which in one direction of movement can be overcome by the handle pivoting about a finger 74 and a plate 64 locking against a bevelled edge 46 of a ring 36.
Patent GB-1216174-A (GB)
Title: Improvements in or relating to devices for fastening prefabricated partitions
Inventor: GUYOT JEAN
IPC: E04B2/82
Filed: 1969-01-24
Abstract: 1,216,174. Partitions. J. GUYOT AND A. GUYOT. 24 Jan., 1969 [31 Jan., 1968], No. 4117/69. Heading E1W. A panel mounting device comprises an upper rail 10 and lower rail 6 secured to a ceiling and floor respectively, and a base element which interlocks with the lower rail and which supports a panel when the latter is engaged in the upper rail. The base element comprises two channel members 1 disposed in back-to-back spaced relationship and having projecting lips 3, 2. The lips 3 receive an inverted channel section 8 which constitutes a projecting rib for interlocking with a corresponding groove 9 in the panel. The base element may be cove-ed with wooden skirting boards 13 or plastics strips 16 and may accommodate additional sections 18 for supporting cables &c. In another embodiment (Fig. 3, not shown) the channel sections of the base element are replaced by a single I-seotioned member.
Patent GB-1086895-A (GB)
Title: Improvements in or relating to governor control means for internal-combustion gas engines
Inventor: POPE JOSEPH ALBERT
IPC: F02D9/00
Filed: 1964-01-31
Abstract: 1,086,895. Fluid-pressure servomotor systems. MIRRLEES NATIONAL Ltd. Jan. 8, 1965 [Jan. 31, 1964], No.4122/64. Heading G3P. [Also in Division F1] A speed governor control system for the gaseous constituent of an explosive mixture to be supplied to the or each cylinder of an internal combustion engine 10 and in which the governor G is coupled to the throttle control means 12a, 12b and 12c for at least one constituent is characterized by supplementary throttle control means 18 for the other constituent, the means 18 responding to changes in the rate of flow of the first constituent to act as a mixture trimmer. Gas and air manifolds for the engine have orifice plates 14 and 17 actuating a control valve 21 through diaphragms 20a, 20b, the relative effects of the diaphragms being adjustable by a screw 24 and a lever 23 and the control valve being connected to a servopiston 22 for the supplementary throttle 18. For use with an oilignited gas engine the upper end of the lever 23 may be connected by a linkage to the rack of a fuel pump while in further modifications the governor G also controls a throttle upstream of the throttle 18 to give quicker response in both manifolds to speed changes or the governor controls the throttle 18 and a supplementary throttle upstream of the throttles 12a, 12b, 12c which are then controlled by the valve 21.
Patent GB-1428323-A (GB)
Title: Liquid-cooled nuclear reactor
IPC: G21C17/07
Filed: 1974-01-29
Abstract: 1428323 Nuclear reactors INTERATOM INTERNATIONALE ATOMREAKTORBAU GmbH 29 Jan 1974 [30 Jan 1973] 04183/74 Heading G6C In a nuclear reactor (which may be a liquidsodium-cooled fast breeder), apparatus for detecting damage in the cans of fuel/fertile elements includes a shaft 10 adjacent the core 1, a mechanism 9 for lifting an element 6 into the shaft into a position in which the element is at least partially below the coolant surface level 3, means for passing a scavenging gas over an element 6 in the shaft 10 and means 8 for detecting the presence of fission products in the gas. As shown, the reactor cover 4 (Fig. 1) comprises three mutually eccentric, rotatable parts 40-42 the former of which carries shaft 10 and the latter of which carries a transfer mechanism 5. For testing an element 6, the mechanism 5 removes it from the core and deposits it in one of a plurality of test containers 7 arranged around the core. Shaft 10 is then positioned over the container 7 holding the element 6 and mechanism 9 raises the container 7 and contents to the test position within the shaft 10. After testing, the container 7 is lowered; a defective element 6 is transferred to a flask 11 for removal from the reactor by mechanism 12, while a non-defective element 6 is returned to the core. In the test position (Fig. 4) within shaft 10, the top of the element 6 lies above the coolant surface level 3 and no circulation of coolant in container 7 with the main body of coolant can occur. Scavenging gas, e.g. argon, enters at the bottom of container 7. A heating element 23 is provided within shaft 10 as an optional feature, for raising the temperature of an element 6 under test in order to speed up any leakage of fission products from a defective can. Shaft 10 is provided with insulation 34. In order to cool element 6 after test and prior to re-insertion in the core, container 7 is lowered slightly to move a collar 37 at the bottom end of the container away from sealing abutment with shaft 10; this enables circulation of coolant between a cylindrical sleeve 33 in shaft 10 and the container 7. Thermocouples are housed within shaft 10.
Patent GB-1457172-A (GB)
Title: Preparation of alkoxysilanes
IPC: C07F7/18
Filed: 1974-01-29
Abstract: 1457172 Alkoxysilanes DYNAMIT NOBEL AG 29 Jan 1974 [31 Jan 1973] 04191/74 Heading C3S Novel alkoxysilanes of the formula wherein a is 1 or 2, b is 1 or 2, provided that (a + b) is 2 or 3, R denotes H, alkyl, haloalkyl, alkenyl or haloalkenyl, the radicals R being the same or different when a is 2, R<SP>1</SP> denotes an alkyl group which has its free valency attached to a primary or secondary carbon atom, or an alkylene or polymeric oxalkylene group which has its free valency attached to a primary or secondary carbon atom and which has a terminal alkyl ether group, and R<SP>111</SP> denotes a tertiary alkyl group, are prepared by reacting a halosilane R a SiX 4-a  (wherein X denotes halogen) with a primary or secondary alcohol R<SP>1</SP>OH, the former being in the liquid phase and the latter being introduced into it without contacting the gas present above the liquid phase and in sufficient quantity to provide a haloalkoxysilane intermediate R a Si(OR<SP>1</SP>) b X 4-a-b , which without separation is subsequently reacted with a tertiary alcohol of the formula R<SP>11</SP>OH in the presence of an acid-binding agent. Examples describe the preparation of tert.-butoxy dimethoxysilane, ditert.-butoxy methoxysilane, tert.-butoxy diethoxysilane, tert. - butoxy di - (2- methoxyethoxy)silane and vinyl tert. - butoxy diethoxysilane. Numerous similar compounds are also specified. Uses.-As selective hydrolysis catalysts, as cross-linking agents and as co-catalysts for the polymerization of olefinic compounds. Compounds claimed in Claim 1 of Specification 1,218,409 are disclaimed.
Patent GB-1026974-A (GB)
Title: Method of and apparatus for ejecting and removing pressings from presses
IPC: B29C45/40
Filed: 1963-02-01
Abstract: 1,026,974. Pressure casting; metal working presses. MASCHINENFABRIK FAHR A.G. Feb. 1, 1963 [Feb. 2, 1962], No. 4235/63. Headings B3F and B3H. [Also in Division B5] Hydraulically controlled ejectors 21, 30 disposed in two opposed dies 5, 31 remain in their closed position during the opening of the dies and thus retain a cast or pressed article 33 between them. The article 33 is then engaged by a device 34, the ejectors 21 withdrawn and the article removed by the device 34. The invention is described as applied to a compression moulding machine but may also be applied to a die casting machine or a metal pressing machine. Closing of the dies is effected by upward movement of the part 5 by means of pistons 3, the die 31 being stationary. The ejectors 21 are connected to a piston 9 in a cylinder 8, the upper part of which is connected to a pressure accumulator and the lower to an oil tank 18. Cylinder 8 is rigidly connected through rods 22, 24 to the ejectors 30, adjustment being provided by nuts 25, 26.
Patent GB-1209132-A (GB)
Title: Improvements in or relating to steering drive axle assemblies
IPC: B60K17/30
Filed: 1969-01-27
Abstract: 1,209,132. Kingpin arrangements. DANA CORP. 27 Jan., 1969 [20 Feb., 1968], No. 4489/69. Heading B7H. [Also in Division E2]  A steerable driving wheel axle assembly comprises a suspension yoke 14 with two arms 22, 24 each disposed above a corresponding arm 82, 80 of a two-armed wheel yoke 81 and two kingpins each of which extends downwardly from an upper arm 22, 24 and is received within and supported on a precompressed resilient deformable bearing seat member 108, 144 disposed in a lower arms 82, 80, each of the wheel yoke arms 82, 80 receiving substantially half the vertical loading. An externally threaded sleeve 126 abutting a shoulder 130 of the upper kingpin is rotatable in the upper yoke arm 22 to equalize the loading on the kingpins. Each resilient bearing seat member 108, 144 is precompressed between a kingpin and a slightly conical recess of the housing 100, 136 in which it is held by a metal ring 154 and an inturned lip 150 of the housing.
Patent GB-229680-A (GB)
Title: Improvements in and connected with depositing machines
IPC: A23G1/20
Filed: 1925-02-18
Abstract: 229,680. Lehmann, J. M. [Firm of]. Feb. 18, 1924, [Convention date]. Depositing machines ; feeding.-Chocolate &c. is supplied to a depositing machine, via an intermediate vessel, by a mechanical conveyer fitted with a temperature-controlling device. As shown, the chocolate is transferred from a hopper c by a conveyer b to an elevated intermediate vessel d and passes thence to the depositer e. The conveyer b comprises a rotary screw arranged within a cylinder a. Attemperating fluid is circulated through chambers in the wall of the cylinder and in the interior of the screw. The vessel d is also jacketted and is furnished with stirrers f. Modifications are described in which the conveyer comprises an endless chain carrying blades, or two sets of rollers. (For Figure see next column.)
Patent GB-1442461-A (GB)
Title: Advertizing or like sign
IPC: G09F13/04
Filed: 1974-01-31
Abstract: 1442461 Sign constructions L V PANNELL Ltd 31 Dec 1974 [31 Jan 1974] 04577/74 Heading G5C A letter or symbol for a large sign has a back 1 corresponding to the shape of the letter, and a face portion 2 of the same shape as the base and connected to the base by sides 3 having L- portions which are secured as by welding to the base. The face 2 and/or the base may be translucent plastics, but at least the L-portion of the sides are of aluminium, the folded-over part being formed with V-shaped cuts 13 along edges having a convex curvature, and straight cuts 14 on the concave edges. The sides 3 may also be of plastics and are then secured to separate aluminium L-portions. One form of the device has all faces of aluminium, but those having at least one plastics face include an internal support 8 for a neon-tube 9. The face 2 is held against inset lugs 5 by extrusions 6 of aluminium screwed to the sides at 7.
Patent GB-696804-A (GB)
Title: Machine for sharpening tools
IPC: B24B3/08
Filed: 1952-02-22
Abstract: 696,804. Control of A.C. motors. GLEASON WORKS. Feb. 22, 1952 [Feb. 23, 1951], No. 4717/52. Class 38 (iii) [Also in Group XXIII] An A.C. motor 55 fed from a 3-phase supply drives the indexing mechanism of a machine for sharpening gear cutters and may be connected to run continuously until the sharpening operation has been completed or, alternatively, to run only when a switch 148 is depressed. Switches 131 and 137 operated by relays 129 and 136 selectively energised by a switch 153 connect the motor for forward and reverse operation respectively. For continuous operation a switch 154 is opened and the switch 148 closed to energize relays 129 and 145 closing switches 135 and 144 respectively. The latter switch closes a circuit to shunt the contacts of switch 148 so that the motor continues to run after the switch 148 has been released and until two microswitches 125 and 126 have been automatically actuated by the indexing mechanism of the machine at the end of the sharpening operation. The opening of these latter switches energizes a relay 141 to complete a circuit for a high resistance indicating lamp 155. A stop switch 151 enables the circuit to the motor to be broken before the end of the operation if necessary. When the switch 154 is open, the motor may be "jogged" in either the forward or reverse direction according to the position of switch 153 by actuating the switch 148, the relay-operated switches 135 and 144 remaining open. Specification 694,878, [Group XXII], is referred to.
Patent GB-1124552-A (GB)
Title: Improvements in or relating to trim strip assemblies
IPC: F16B5/12
Filed: 1967-02-01
Abstract: 1,124,552. Releasable fastenings; trim strips. HOWARD CLAYTON-WRIGHT Ltd. 1 Feb., 1967 [4 March, 1966], No. 4789/67. Headings E1R and E2B. A trim strip assembly includes a trim strip 10 provided with a trim portion 20 and having a surface adapted to engage a work piece and the trim strip having permanently secured thereto an attaching device 12 for attaching the trim strip to the work piece, the attaching device comprising an elongated tongue 24 for engagement with the work piece, the tongue prior to attachment of the trim to the work piece extending generally in the longitudinal direction of the trim strip. In the construction shown the device 12 is provided with an integral eyelet 26 which secures the device 12 to a base portion 18 of the trim strip by being passed through an aperture in the base portion and upset to secure the attaching device to the base portion. The trim strip is provided with a plurality of the attaching devices and each has an outwardly inclined free end portion to facilitate the insertion of a tool under the tongue to bend the tongue so that it extends at right angles from the base portion for insertion through an appropriate hole in the work piece. The trim strip consists of the base portion and the trim portion which are inter-connected by an integral bight 22, the trim portion including a metallic foil 14 which is encompassed by an outer sheet 16 of suitable plastics material.
Patent GB-208056-A (GB)
Title: Improvements in or relating to double ruling pen-nibs
IPC: B43K1/02
Filed: 1923-02-19
Abstract: 208,056. Stuart, C. B. Feb. 19, 1923. Pen-nibs. - A double pen-nib for drawing two paralle lines in close proxi mitv is made sub stantiallv hearct shaped, and is pro vided with a divid ing slot 9 extending from the point to a point slightly beyond the upper end of the inkretaining slots 11 formed in the two halves 8 of the body. The slot 9 is widened out at the inner end so that ink will not be retained thereby.
Patent GB-140755-A (GB)
Title: Improvements in ampoule hypodermic syringes
IPC: A61M5/31
Filed: 1920-02-17
Abstract: 140,755. Spahlinger, H. March 27, 1919, [Convention date]. Pumps, syringes, and like appliances.-An ampoule syringe, in which the fluid to be injected is separated from the needle and is held in a transparent container, comprises a glass tube a with a piston plug b having a capillary passage c in communication with the needle c. A hood f of transparent or opaque material protects the needle and may be integral with the part b or held by a joint cover l. A stiletto g traverses the needle e and passage c, and serves to perforate a diaphragm h when it is desired to use the fluid d which is injected by removing the joint cover m and pushing the tube a in the direction of the needle. Fluid tightness and easy movement are facilitated by a joint k consisting of a mixture of paraffin and oil placed between the piston b and the tube a. The diaphragm h may be replaced by a plug of a material insoluble in the fluid. In modifications, the plug b may be hollow and closed at the junction with the needle by an insoluble plug. In another construction, the hollow plug may be formed with an inturned tube, and the liquid is then contained in the annulus thus formed. In these modifications, the needle is protected by a closely-fitting removable sheath.
Patent GB-250517-A (GB)
Title: Improvements in strain indicating devices
IPC: G01L1/02
Filed: 1926-02-19
Abstract: 250,517. Spanner, E. F. Feb. 19, 1926. Testing physical qualities of materials; gauges.-Comprises a strain-indicating device in which measurement of the variation in size of a hole in the material being strained is used as a basis of measurement of the actual stress in the material. The bolt L is passed through the hole in the material M with clearance forming an annular chamber. An axial bore communicates with this chamber and ends in a capillary tube A. A gland B and packing C form a tight joint for the tube A, while nuts E, F and spring washer G secure the cap J against the face of the material. A rubber or elastic packing ring K is provided. Three screws H are provided for filling and regulating the height of mercury. The movement of the latter in the tube A indicates the alteration in size of the hole and by use of a source of light and sensitized paper or of a suitable electromagnetic device a record may be made.