baber/WOPTO huggingface dataset:
Patent GB-710914-A (GB)
Title: A device for the regulation of the driving engine for variable pitch propellers
IPC: B64C11/30
Filed: 1952-03-13
Abstract: 710,914. Fluid-pressure servomotor-control systems. LIAAEN. N. J. March 13, 1952, No. 6586/52. Class 135. [Also in Group XXXIII] In a variable-pitch air or marine propeller whose pitch change is effected by a servomotor under manual and automatic control, the automatic control means are additional to the engine governor and are acted upon by the manual control means so as to bring the automatic control means into operation for certain predetermined ranges only of the total turning angle of the blades. The propeller has its pitch varied by a fluid pressure servomotor 3 whose control valve 6 is adjusted manually and automatically to maintain substantially constant load on the driving engine. A rod 12, connected to a manually operated indicator handle on the bridge of a ship, is coupled through links 11, 10, 9 with the control valve 6 to move the latter and control the pitch for ahead or astern motion. A collar 7 connected with the servomotor piston provides the follow-up movement. A stepped piston 14 having a bracket 13 supporting the link 11 opeiates in a cylinder 15 and a space 16 in the latter is supplied with pressure oil through a pipe 20 by a pump 18. A space 17 on the other side of the stepped part of the piston 14 communicates through a duct 21 with the pressure space 16 and also through a pipe 22 with a valve casing 23 containing a pair of lift valves 24, 25 operable by a lever 26. Stops 27, 28, which may be adjustable, are provided on the link or rod 10 for moving the lever 26 to open one or other of the valves 24, 25 and place the pipe 22 into communication through p'pes 29 or 30 respectively with the casing 32 of a slide valve 33. Manual movement of the rod 10 between the stops 27, 28 does not affect the lever 26 and the valves 24, 25, both being then closed, the piston 14 is held in its extreme right hand position by the pressure differential acting thereon. The slide valve 33 has two control edges 33a, 33b, controlling communication between the pipes 29, 30 respectively and an outlet port 31 leading to an oil reservoir 50. The valve 33 is operated by a governor 37 which also regulates the supply of fuel to engine or acts in synchronism with the engine fuel regulator. When either of the valves 24, 25 is opened by the extreme movement of the rod 10 for ahead or astern motion of the ship, the valve 33 controls the pressure in the space 17 and hence the position of the piston 14 which thereby adjusts the pitch according to the load on the engine. The loading of the governor spring 38 and the position of a screwed collar 34 in the linkage between the governor and the valve 33 are adjustable manually from the bridge. In another embodiment the governor 37 is disposed remote from the valve 33 and controls the latter through fluid-pressure relay. A mechanical or electrical servomotor may be used instead of the hydraulic servomotor. The automatic control means may also be operated under the influence of temperature or pressure dependent upon the load on the engine.
Patent GB-297285-A (GB)
Title: Improvements in well-boring apparatus
IPC: E21B10/32
Filed: 1928-03-02
Abstract: 297,285. Redfern, C. K., (Brunt, P.). March 2, 1928. Borehole apparatus.-In a well-boring tool comprising a two-part body containing a spring- pressed mandrel carrying expanding cutters, the upper end of the lower part b of the body is reduced to form a screw-threaded, preferably tapering, projection i without encroaching on the passages h for flushing fluid, and the lower end of the upper part a has a corresponding threaded socket j to engage the projection i and opening into the bore of the part a. The bore of the part b is closed by a threaded plug k with a conical upper end, the adjacent part of the socket j also being conical. Rounded shoulders m are provided on the cutters. Specification 200,202 is referred to.
Patent GB-598962-A (GB)
Title: Synthetic resins and their production
IPC: C08F36/20
Filed: 1945-03-16
Abstract: A monomeric mixed ester of a polycarboxylic acid containing at least three carbon atoms in the molecule and in which at least one of the carboxyl hydrogen atoms of the acid has been replaced by the radical of an allyl-type alcohol and at least one other carboxyl hydrogen atom of the acid has been replaced by the radical of a vinyl-type alcohol is polymerized alone or together with an organic compound containing one or more unsaturated carbon to carbon linkages by the action of heat, light and/or catalysts, directly or in solution or dispersion.  Among the specified polycarboxylic acids are malonic, succinic, glutaric, adipic, azelaic, methyl succinic, tricarballylic, citric, cyclopentane - 1,2,3 - tricarboxylic, phthalic, terephthalic, naphthalene dicarboxylic acids, diglycolic, dilactic, dihydracrylic acids and those of the class HOOC-R-SO2-R-COOH.  Examples of vinyl-type alcohols are vinyl alcohol, iso - propenol, buten - 1 - ol - 2, propen - 1 - ol - 1, buten - 1 - ol - 1, cyclohexen - 1 p  - ol - 1 - and cyclopenten - 1 - ol - 1.  Among the specified allyl-type alcohols are allyl alcohol, chlorallyl alcohol, buten-1-ol-3, 2-methyl-penten - 1 - ol - 3, octan - 1 - ol - 3, 3 - tolyl - propen-1 - ol - 3, crotyl alcohol, tiglyl alcohol, and 5,7-dimethyl - octadien - 2,7 - ol - 1.  Specified mixed allyl-type vinyl-type esters include allyl vinyl malonate, allyl vinyl succinate, allyl vinyl adipate, allyl vinyl phthalate, allyl vinyl diglycolate, methallyl vinylmalonate, allyl isopropenyl malonate, allyl isopropenyl dihydracrylate, diallyl vinyl citrate and divinyl allyl citrate.  Typical compounds with which these esters may be copolymerized are styrene, vinyl halides, vinylidene halides, vinyl esters of saturated monocarboxylic acids, methyl acrylate, methyl methacrylate, allyl halides, allyl esters of saturated monocarboxylic acids, alkyds, conjugated butadiene, isoprene, conjugated chlorobutadiene, and diallyl glycolate.  The usual polymerization catalysts are specified.  The products may be mixed with other synthetic resins, natural resins, drying oils, urea-aldehyde resins, phenol-aldehyde resins, linear super-polyamides and polyesteramides as well as with the usual plasticizers, stabilizers, lubricants, dyes, pigments and fillers. Specification 575,386 is referred to.
Patent GB-873635-A (GB)
Title: Improvements in jet reaction nozzle device for airplane flight control
Inventor: SMITH STANLEY WILSON
IPC: B64C9/38
Filed: 1958-03-03
Abstract: 873,635. Controlling aircraft. BELL AEROSPACE CORPORATION. March 3, 1958, No. 6750/58. Class 4. An aircraft control comprises a jet reaction device including inner and outer telescoped and relatively rotatable cylindrical members, the inner being adapted for attachment to the aircraft structure and having its interior connected to a source of gas under pressure, the outer member being adapted for attachment to control means, the members having co-operating parts to resist relative axial movement, and opposed ports in their cylindrical walls arranged so that the discharge of gas in one direction can be increased, while that in the other direction is decreased. In the Figures, the inner cylinder 10 has a flange 16 for attachment to a fixed duct connected to a source of compressed gas, and is screw threaded at 50 to the outer cylinder 12 which has a double horn 22 for connection to a pilot's push-pull control member. Cylinder 10 has an impermeable end wall 32, and cylinder 12 has an end wall vented at 52. Opposed ports 34, 36 in cylinder 10, and 38, 40 in cylinder 12 are opened differentially by relative rotation of the cylinders producing a nett reaction force. The device may form the hinge of a control surface as in Specification 873,634, producing a jet reaction control moment in the same sense as the aerodynamic control moment produced by the surface, or the device may be located in a wing to produce a rolling moment by jet reaction only.
Patent GB-541169-A (GB)
Title: Improvements in pile fabric floor coverings
IPC: D06N7/00
Filed: 1941-05-28
Abstract: 541,169. Carpets, floor rugs, etc.; indiarubber compositions. UNITED STATES RUBBER CO. May 28, 1941, No. 6845. Convention date, Aug. 2, 1940. [Class 142 (iv)] [Also in Group V] A carpet, floor rug &c. has means forming an electrically conducting path extending from the face of the under side thereof for discharging static electricity; the means may contact with further conducting means at the underside of the carpet &c. As shown a number of cords, yarns or threads 4, treated to render them electrically conducting, are threaded through a rug, along the upper side of the backing 2 and again upwards to the face 3; a coating 5 of electrically conducting rubber composition is applied to the underside of the backing 2. Single threads knotted at their lower ends may be used in place of the cords &c. 4 or certain tufts of the fabric may be treated to render them electrically conducting. The cords &c. may be treated with a rubber composition containign rubber 100 parts zinc oxide 15, antioxidant .35 accelerator 2, deodorant 1, stearic acid 7 and sulphur .75 parts by weight, these ingredients being reduced to a cement and .21 lb. thereof dessolved in 1 gallon of gasoline containing .14 lb. of acetylene carbon black. A latex solution may be used consisting of 166.67 parts of 60 per cent. latex dispersing agent, 4.25, activator 2.5, accelerator 75, casein 10, ammonia .9, sulphur 2.5, acetylene carbon block 85 and water 20.33 parts by weight.
Patent GB-845084-A (GB)
Title: Improvements in or relating to internal combustion engine spark ignition systems
IPC: F02P3/04
Filed: 1959-02-27
Abstract: 845,084. Ignition systems. GENERAL MOTORS CORPORATION. Feb. 27, 1959 [March 6,1958], No. 6891/59. Class 7(4). In an internal-combustion engine ignition system transistors 74, 76, 78, 80, 82 are connected between an electrical current source 2 and the low tension winding 58 of an ignition transformer having a high tension winding 100 adapted to be connected to one or more spark plugs 102 through an ignition distributer and biasing means for the transistors are connected to the current source and an ignition contact breaker device 16 so as periodically to change the bias on the transistors and control the firing of the plugs in synchronism with the operation of the engine. In order to operate the system as a transistor-controlled system the switch 4-10 is moved to the ON position shown. This completes an energizing circuit for the coil 41 of a control relay 38 the coil thereby attracting the three linked switch arms 36, 46 and 48. If desired the ignition system can be operated in a conventional manner by disengaging the switch arm 10 from the contact 14. This de-energizes the relay coil 41. The contact breaker 16 intermittently interrupts the current in either a primary winding 18 of a control transformer 20 or the primary 58 of the ignition transformer 60.
Patent GB-1114517-A (GB)
Title: Apparatus for gripping a length of yarn or roving
Inventor: BRADY WILLIAM ARTHUR
IPC: B65H63/08
Filed: 1966-02-17
Abstract: 1,114,517. End catcher. WILLIAM EWART & SON. Ltd. 29 Dec., 1966 [17 Feb., 1966], No. 6912/66. Heading D1D. A device for gripping a yarn or roving e.g. in a wet spinning machine in the event of a yarn break, comprises a member 11 slidable in a tube 10 and having a slot 12 transverse of its axis, the yarn or roving R normally running through the slot but being gripped when the member 11 is slid into tube 10 to cover the slot 12. Member 11 may be operated by solenoid means in response to a yarn breakage. A guide 13 is provided to prevent the yarn or roving slipping from slot 12. In a further form slot 12 normally lies within tube 10 in register with a corresponding slot in the tube.
Patent GB-1043603-A (GB)
Title: Method of removing nitrogen oxides in gases
IPC: B42F21/10
Filed: 1964-02-19
Abstract: In the removal of nitrogen oxides from gases, a porous carrier is soaked in a solution of one or more of the following removing agents, viz.: FeSO4, PdSO4, KMnO4, KClO3, NaOCl, NaClO2, Na2MoO4, K2S2O3, Na2HPO4 Na3AsO3, KI, CuCl2, or ICl3, the carrier dried and the nitrogen oxide containing gases passed through a bed thereof.  The absorption action can apparently be physical or chemical, and it is assumed in the case of the chemical action that metallic nitrates are produced.  The above so-called removing agents may be used alone or together with an alkali or an acid, which functions to assist the removal of the nitrogen oxides.  The porous carrier may be silica or alumina gel, or mixtures of these.ALSO:In the removal of nitrogen oxides from gases, a porous carrier is soaked in a solution of one of more of the following removing agents:- FeSO4, PdSO4, KMnO4, KClO3, NaOCl, NaClO2, Na2MoO4, K2S2O3, Na2HPO4, Na3AsO3, KI, CuCl2, or ICl3, the carrier dried and the nitrogen oxide-containing gases passed through a bed thereof.  The absorption action is stated to be physical or chemical, chemical and physical removing agents not being distinguished.  The removing agents may be used alone or together with an alkali or an acid, which functions to assist the removal of the nitrogen oxides.  The porous carrier may be silica or alumina gel, or mixtures of these.
Patent GB-894319-A (GB)
Title: Releasable shank holders for cultivators and the like
IPC: A01B35/24
Filed: 1960-03-01
Abstract: 894,319. Agricultural implements. ANDERSON, A. S. March 1, 1960 [Nov. 25, 1959], No. 7180/60. Class 6(1). A cultivator 22 is mounted between rollers 18, 23 for fore and aft motion during working and a tension spring 29 is provided to enable the tine to be tripped on meeting an obstruction. The upward movement of the tine is limited by a saddle 32. The spring 29 is attached to the housing 13 by means of a shear pin. In a modification the spring 29 is replaced by spring urged rods pivotally attached to a pair of links pivotally secured to the cultivator.
Patent GB-744912-A (GB)
Title: Improvements in hinged-element girders and apparatus for erecting same
IPC: E04C3/00
Filed: 1953-03-16
Abstract: 744,912. Flexible members adapted to form struts. LE ROY, M. March 16, 1953 IMarch 21, 1952], No. 7236/53. Class 80(3) A girder is formed from three rows of panels 1, 4a, 4b, 6a, 6b (Fig. 1) hinged together to form a ribbon which is wound from a drum 20 (Fig. 10), past cams 40 which guide the panels into a frame 32, 33 of triangular section to form a rigid girder of triangular section, the outer ends of the panels 4a-4b being joined by hooks 16 and pins 11. The invention consists in the grouping of the lateral rows of panels 4a-6b in pairs 4a, 4b and 6a, 6b, the panels of each pair being connected by hinges 7, 8 and each of which hinges is opposite an interval between pairs on the opposite side of the ribbon. When the panels are folded to rigid girder form the ends of the pins 11 on panels 4a, 6b respectively are locked together by a rotatable socket 16 (Fig. 9) on the pin 11 engaging over a bolt head 37 on the pin 9 and a radial extension 17 is engaged by a helical guide 18 to lock these parts together. Endless chains 28 have lugs 31 which engage in openings in the panels and lift the ribbon while it is being folded to girder form. The girder is unfolded by cams 41 to ribbon form again when wound back on to the drum 20. Specifications 483,364, 493,922 and 635,123 [Group XXV] are referred to.
Patent GB-637000-A (GB)
Title: Improvements in or relating to rotary hot-gas engines or refrigerating apparatus operating on the reversed hot-gas engine principle
IPC: F02G1/043
Filed: 1948-03-09
Abstract: 637,000. Rotary engines; centrifugal pumps. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. March 9, 1948, No. 7250. Convention date. March 12, 1947. [Classes 110(i) and 110(ii)] A not-gas engine, or a compressor for a refrigerating apparatus, of the liquid-ring type comprises blade wheels 13, 14 which rotate on the axis of a shaft 12, varying chambers formed by the liquid ring and the blades communicating with one another by way of oblique channels 18. For an engine, the gas is heated and expanded in the wheel 13 and passes through channels 18, which contain heat regenerators 19, to the wheel 14 where the gas is again compressed, the connected chambers in the two wheels being out of phase with one another. Heat is supplied by a burner 29 heating projections 30, and cooling done through fins 31 over which flows a coolant. The liquid 20 is partly contained in a housing 7 and partly in a housing 1, passing through apertures 27 to the bottom of 1 where it is heated or cooled according to whichever side of a central partition it lies on. Discs 21, 22, provided with impeller blades, cause the liquid to flow into collecting channels 23, 24 and conduits 25, 26 leading back into the rotating housing 7. The power shaft 3 is itself rotated to start up the engine. The housing 7 rotates and through an internal gear 16, the two blade wheels 13, 14 rotate. The axis of the shaft 12 rotates around the axis (produced) of a fixed shaft 2 and thus the blade wheels 13, 14, besides rotating on their own axis, also gyrate within the housing 7. A gear wheel 5, carried on a shaft 6 on a housing 10, rotates around the shaft 2. The gear 5 meshes with an internal gear on the housing 7, and a fixed gear 4. The regenerators 19 are heated by the hot expanding gas, which heat is absorbed from the regenerators by the compressed working fluid flowing back from the wheel 14. The speeds of the various rotating parts are given in the Specification. The liquid forming the ring may be of high density, low vapour pressure, low melting point, high boiling point and a low viscosity. It may be formed of an alloy or metal salts in an engine, especially where air is the working fluid; examples are bromine and iron compounds. If an oxygen-free working fluid is used, such as helium, argon, hydrogen or nitrogen, the liquid may be potassium, sodium or an alloy of potassium and sodium. For a refrigerating apparatus, mercury or a bromine compound may be used. In a modified arrangement, the power shaft 100, Fig. 4 (not shown), is coupled by external gears to the engine gearing.
Patent GB-1184504-A (GB)
Title: Push-Pull Cable Control.
Inventor: HOUK RICHARD DAVID
IPC: F16C1/16
Filed: 1968-02-14
Abstract: 1,184,504. Push-pull cable controls. NORTH AMERICAN ROCKWELL CORP. 14 Feb., 1968 [1 March, 1967], No. 7282/68. Heading B7E. A control for a push-pull cable, having a core 12 and casing 13, comprises a tubular housing 19, adapted to be located by nuts 22, 23 and formed internally with a thread 32, a sleeve 25 slidable in housing 19 and rotatably secured at one end to cable core 12 and at the other to a primary control knob 39, an actuating rod 26 within sleeve 25 and connected with a secondary control knob 41 located within knob 39, there being retained within an aperture 31 of the sleeve 25 a ball 30, which when contacted by conical surface 29 of rod 26 is forced to engage the thread 32 so that fine adjustment of the cable is possible by rotating knob 39, but when knob 41 is pushed right into knob 39 is freed from engagement with surface 29 and hence the thread 32, and allows a direct axial movement of knob 39. Casing 13 consists of flexible layers 15 and 16 enclosing a layer 14 formed of wires, said casing being swaged in a fitting 18 crimped in the end of housing 19. The end of core 12 is fixed to a cylinder 33 rotatably located in the end of sleeve 25 by crimping. The knob 41 is beared to an outward position by spring 49 whereby surface 29 is in contact with ball 30 but can be retained in its inward position within knob 39 by a bayonet connection comprising pins 48 with slots in skirt 42.
Patent GB-148599-A (GB)
Title: Improvements in or relating to reinforced concrete buildings
IPC: E04B2/56
Filed: 1919-03-24
Abstract: 148,599. Stewart, W. J., and Woolcock, J. March 24, 1919. Walls; reinforced block-work culumns.-In walls formed of reinforced-concrete slabs engaging columns formed of blocks united by vertical rods, the blocks are provided with rabbets and channels to receive 'the slabs, and grouting grooves a<2> are formed in the rabbets and channels and in the edges of the slabs. The column blocks are also reinforced by several encircling bands m. Rods j may be inserted in the combined grooves a<2> and may be tied to the column rods g by links i in the bed joints. The slab reinforcement and rods in the bed joints of the slabs may also engage the rods j. The faces of the columns may be flush with or stand beyond the faces of the slabs, and both faces may be given a rough-cast or other finish. The hollow columns may be filled with concrete. Specification 116,346 is referred to.
Patent GB-249527-A (GB)
Title: Improvements in and relating to potato planting machines
IPC: A01C9/00
Filed: 1926-03-17
Abstract: 249,527. Ruetz, K. March 17, 1925, [Convention date]. Addition to 242,800. Planting-machines; multiple-furrow ploughs with means for distributing seeds &c.-In a multiple-row planting-machine in which potatoes are fed automatically along a track and those escaping from the track are received by a mechanical conveyer, as described in the parent Specification, a travelling wheel arranged between two ploughs serves as the conveyer for receiving the surplus potatoes from two tracks and returning them to the containers. The wheel 1 is arranged between two containers 2 which project into it. Each container has a sloping bottom 7 from which the potatoes pass on to a channel-shaped reciprocating slide 8. Surplus potatoes fall through side openings 9 on to a shaking cloth 11 and are delivered by it into the wheel 1, which is provided with lifters and carriers 14. The end potato in the row rests against a movable stop 23. The potatoes are delivered singly by the stop 23 and a co-operating pusher 28 to a tube 5, in which two plates 32, 33 are geared together and periodically turned through 360‹ by means of a star wheel 37 engaging projections 38 on the wheel 1. Rolling of the potatoes in the furrow made by the plough is prevented by depressions made by a prong 39 reciprocated vertically by crank mechanism. Covering discs are attached behind each plough. The slide 8 is driven through spur gearing, a crank, a connecting-rod 13, an arm 22, a shaft 20, an arm 21. and a link 19. The stop 23 is carried by pivoted arms 25, and the pusher 28 is mounted on an axle 30 secured between the arms 25 and connected to the rod 13 by an arm 31. As the pusher 28 moves downwards it engages a stop 29 and this causes the arms 25 and stop 23 to move upwards.
Patent GB-446782-A (GB)
Title: An improved slide box or container for display purposes
IPC: B65D5/52
Filed: 1935-03-09
Abstract: 446,782. Display boxes. FELLOWS, J., (trading as GOFF & CO., J.), Cardigan Street, Birmingham. March 9, 1935, No. 7378. [Class 18] The tray b of a drawer- and-shell display box is connected to the shell a by a paper or textile strip d which allows the tray to be drawn out and turned back against or at a slight angle to the shell to form the display device shown. The hinge strip is connected inside the shell to a point about midway between its ends. The shell is closed at one end and the tray is provided with a grip flange c forming a base on which the tray stands when in the display position. An elastic, &c. cord g serves to retain articles in the tray.