baber/WOPTO huggingface dataset:
Patent GB-645092-A (GB)
Title: Two-stroke compression-ignition internal combustion engine
IPC: F02B25/00
Filed: 1948-04-23
Abstract: 645,092. Combustion chambers. NAAMLOOZE VENNOOTSCHAP . DE BATAAFSCHE PETROLEUM MAATSCHAPPIJ. April 23, 1948, No. 11168. Convention date, April 25, 1947. [Class 7 (iii)] In a two - stroke compression - ignition engine combustion chamber an uncooled insert 5 is held between the cylinder head 4, containing an exhaust valve 7, and a shoulder 9. An insulating air space is left around the insert which has a lower lip preferably having a diameter less than that of the exhaust valve 7. Air admission is by piston-controlled tangential ports in the cylinder.
Patent GB-456501-A (GB)
Title: Improvements in and relating to a grinding or polishing device for sheet rolling mills
IPC: B24B5/36
Filed: 1936-04-20
Abstract: 456,501. Polishing rolling-mill rolls. SCHLOEMANN AKT.-GES., D³sseldorf, Germany. April 20, 1936, No. 11233. Convention date, April 20, 1935. [Class 60] A polishing device for the rolls A, B of a plate rolling mill comprises, for each of the rolls, three polishing stones 1, 2, 3, each being traversed about one - third of the length of the roll, and each being capable of being put into and out of oper ation independently so that particular zones of the roll may be treated. ThE stones are moved to and fro along the rolls, through gear ing 5, by means of a motor 4 which may be reversible or operate through reversing-gear, the gearing 5 moving two bars 7, located in bearings 6 and each carrying two arms 8 supporting two shafts 9 on which the stones 2 are mounted. The outer stones 1, 3 are mounted respectively on tubes 10, 11 on the end portions of the shafts 9, and each stone is rotatably mounted in a holder 12 so that as it wears it may be turned to present a fresh face, and locked in the adjusted position by a ratchet and pawl. The stones are pressed on to the rolls by springs 13 engaging adjustable nuts 14 at one end and at their other ends engaging arms 15 connected to the shafts 9 and the tubes 10, 11. The arms 15 also carry cams 16 engaging ledges 8<1> on the arms 8 and rotatable by hand wheels 17, so that the arms 15 may be lifted to lift the stones separately from the rolls A, B.
Patent GB-819072-A (GB)
Title: Improvements relating to hook means for attaching a weight to the end of a measuringtape
Inventor: MILLS WILLIAM
IPC: B66C1/36
Filed: 1956-04-14
Abstract: 819,072. Hooks. RABONE & SONS Ltd., J. July 15, 1957 [April 14, 1956], No. 11424/56. Class 89(2) A hook for suspending a weight 5 on the end of a measurimg - tape 8 comprises a shank 3 swivelled on a U-shaped-part 9 pivoted by a pin 10 to the tape and having a block 4 movable-axially on the shank. The block, in its lower position, closes the hook-opening, and may be urged to this position by a spring 6. In another arrangement, the block is screwed on the shank.
Patent GB-816138-A (GB)
Title: Improvements relating to double wire mechanical control systems for railway signals
IPC: B61L5/02
Filed: 1955-04-21
Abstract: 816,138. Railway signals. WESTING- HOUSE BRAKE & SIGNAL CO. Ltd., and DENNISON, H. F. April 11, 1956 [April 21, 1955], No. 11543/55. Class 105. A double wire control system for the selective control of one or other of two signals such as the signals A, B which govern traffic over the routes set up by the normal or reverse positions of the points X which positions determine the selection of the signal, comprises a manually operable reversible control lever 1 coupled through a coupling device 4 located near the signals A, B to signal operating rotary devices 18, 22. The coupling device 4 includes oppositely reversible levers 5, 11 having fixed pivots 6, 12 and are connected at their free ends to a pair of transmission wires 2 connected to the lever 1. The signal operating devices 18, 22 are coupled to respective pairs of transmission wires 14, 14<SP>1</SP> and 13, 13<SP>1</SP> which act as a single continuous loop as reeved around pulley wheels 7, 10 carried on the coupling levers 5, 11 and around the rotary devices 18, 22 that when one of the pairs of wires is held as by one of the position detectors 15, 16 of points X, movement of one of the levers 5, 11 from its normal to reverse position consequent upon movement of the control lever 1 to its reverse position, causes the operation of that rotary device 18 or 22 associated with the other pair of wires 14, 14<SP>1</SP> or 13, 13<SP>1</SP> which is not held and of the other coupling lever from its normal to reverse .position.
Patent GB-579630-A (GB)
Title: Improvements relating to automatic tying machines for packages and the like
IPC: B65B13/12
Filed: 1944-06-19
Abstract: 579,630. Tying machines. POWER & SONS, Ltd., F. A., PADMORE, J. N., PLATT BROS. & CO., Ltd., and BASSINDALE, I. B. June 19, 1944; No. 11620. [Class 45] The machine frame of an automatic tying machine of the kind in which a wire is fed from a coil or roll to a shuttle or carrier bracket by which it is trained around a package and is then tensioned, tied by twisting and is finally cut off, includes a one-piece front casting 22, Fig. 1, carrying the rollers 29, Fig. 8, of a rotatable wire training ring roll (not shown), and provided at its rear face on each side with surfaces 37 against which suitably faced portions of two one-piece end frame members 21 are positioned and secured by detachable means so that the front frame can be withdrawn complete with the ring roll from the remainder of the machine. The invention is described as applied to the tying machines of Specifications 523,786 and 523,829. The rollers 29 are secured on bolts 28 the angular cross-section shanks of which are located in correspondingly shaped holes 27 in the front frame 22. The shaft of the ring roll driving pinion (not shown but denoted by 47 in Specification 523,829) is received in a hole 32 in the front frame 22 and a part circular web 34 surrounding the hole 32 serves as a guard for the pinion. Behind the bearing surfaces 37 (on the front side of the front plate 22) a recess is formed by the inturning of the casting web to receive the nuts of securing bolts (not shown) of the end frame members 21. The securing bolts pass'through vertical slots in the plates 22 and horizontal slots 44 in the end members 21. A webbed opening 41 in the front plate 22 provides access to the driving motor (not shown) and can be provided with a closure plate. The end frame members 21 are bridged by four channel section castings having machined bearing faces which are bolted to corresponding faces 43 on the members 21. Faces 48 on the members 21 are provided for mounting parts of the mechanism and similar faces are provided on the channel section castings. Threaded holes 50 are provided through the bearing faces 37, Fig. 1, to co-operate with threaded studs by means of which the front frame 22 may be drawn off from the rest of the frame for inspection &c. Correct locating of the front frame casting 22 may be obtained by the use of dowel pins. According to the Provisional Specification a bearing cup for the shaft of the ring roll driving pinion may be secured against the outer surface of the web 34.
Patent GB-1124984-A (GB)
Title: Improvements in or relating to a method of, and a tool head for, spinning over the end portion of a tubular member
Inventor: PARSONS JOHN DESMOND
IPC: B21D19/04
Filed: 1965-03-18
Abstract: 1,124,984. Making hollow-ware; spinning; shearing. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. 21 Feb., 1966 [18 March, 1965], No. 11626/65. Headings B3A, B3J and B3W. [Also in Division G6] A method of spinning over the end of a tubular member (T) comprises using a spinning tool (14) to force the end past a shearing edge (12) which co-operates with the tool (14) to trim the end of the tube. The end of an aluminium nuclear fuel container may be trimmed and spun over an aluminium foil closure (D) by the tool (14), which is mounted on a pivot (9). A shank (4) supporting the pivot is slidable in a socket (1) having a taper shank (2) for connection to a drilling machine or lathe. A pin- and-slot connection (6, 7) prevents separation of the shank and socket, which carries a stoppin (18) and a spring-pressed plunger (17) bearing on the tool (14). A roller (10) in bearings (11) provides the shearing edge (12) and locates the assembly against the closure (D). Further downward movement of the socket (1), relatively to the stationary shank (4), causes inward movement of the spinning and shearing tool (14).
Patent GB-439402-A (GB)
Title: Improvements in apparatus for making glass building blocks
IPC: B44B1/00
Filed: 1935-04-15
Abstract: The invention consists of the apparatus described in Specification 439,401, but not claimed therein.
Patent GB-768527-A (GB)
Title: Improvements relating to hydraulic master cylinders
IPC: B60T11/16
Filed: 1955-04-22
Abstract: 768,527. Hydraulic master cylinders. WEIHE, H. K. April 22, 1955, No. 11708/55. Class 103 (1). In an hydraulic master cylinder, at least two suction valves are provided on the pressure side of a single-acting piston to communicate with the hydraulic fluid reservoir. In the embodiment illustrated, applied to vehiclebraking systems, the master cylinder comprises a pressure cylinder 1 integral with a fluid reservoir 2. A piston 3, positively connected via piston rod 38 with the brake pedal, operates in cylinder 1 and carries a sealing cup washer 5 which serves as a non-return valve between the pressure cylinder 1 and the reservoir 2; via small bores 9 and annular recess 7 in piston 3, and bore 8 in wall of the cylinder 1, whenever the brake is released and the piston 3 is caused to return to its rest position. A similar cup washer 10 is mounted on the cylinder head formed by closure member 12 so that upon the piston 3 being moved to the inlet stroke, the cup washer 10, similarly to cup washer 5, will act as a non-return suction valve between pressure cylinder 1 and reservoir 2 via annular groove 16 and bore 14. In order to keep the wheel brake cylinders and the brake conduits pressurized after the brake is released, a spring- loaded valve 28 is housed in a displaceable perforated sleeve 32 mounted in a hollow threaded bolt 26 which forms the connection between the distribution member 20 and the bore 18 in the cylinder wall for the connection to the brake conduits (Fig. 2-being a section on line A-B of Fig. 1). A non-return valve 30 permits an unobstructed flow of hydraulic fluid to the conduit system on the discharge stroke of the piston. In order to maintain the fluid under pressure in the pressure cylinder 1, a spring-loaded valve 34 is mounted above a small diameter bore 36 in the cylinder wall. The sealing cup 'washers may be replaced by suitable non-return valves of different construction.
Patent GB-591559-A (GB)
Title: Improvements relating to cutting appliances
IPC: A61F15/02
Filed: 1945-05-10
Abstract: 591,559. Hand-guided cutting- appliances. BRITISH THOMSONHOUSTON CO., Ltd., and WOODFIELD, T. H. May 10, 1945, No. 11727. (Class 31 (ii)] [Also in Group VI] In a cutting-appliance, particulary for plaster bandages, of the kind incorporating a reciprocatory cutter co-operating with an anvil body to sever material placed therebetween, the cutter consists of a pair of laterally spacedapart cutting edges so formed that there is a clear channel open at opposite ends in the direction of the cutting line of the appliance, and the anvil body presents towards the said cutter a pair of laterally spaced-apart cutting edges whereof each is arranged to co-operate with a corresponding one of the movable cutting edges, the fixed cutting edges each having an elevation which gradually rises with respect to the supporting surface of the shoe of the anvil body, which elevations are at a minimum near the leading post of the shoe. In Fig. 4, a motor-driven shaft 21 extends through a handle body 23 and acts through an eccentric mechanism 22 to impart to cutter 20 a reciprocatory motion along axis B-B disposed at an angle of less than 90 degrees to the supporting surface 35 of the anvil. A divided housing 24 encloses mechanism 22 and provides upper and lower bearings 25, 26, for the cutter driving member 27. A detachable bracket 32 accommodates the stem 33 of the anvil body 34, which may be adjusted longitudinally to allow for different thicknesses of bandage by operation of a nut 37 with the threaded extension 38 of stem 33, the latter being prevented from turning by a key 39. In an alternative construction, Fig. 2, the anvil body 11 is connected by means of a bracket 10 to a casing 3 which is branched from a main casing enclosing an electric motor, driving an eccentric mechanism, and also the shaft of the cutter unit comprising a plate 5 to each side of which is connected a cutter blade 8. The anvil body 11 is shaped to provide a shoe 13 and a medially extending rib 14, the upper edges of which provide cutter edges cooperating with blades 8. The upper surface of the rib may be grooved medially and provides a supporting surface for severed strip of material 17. The cutters 8 may be spaced for cutting a strip about # inch wide and the stroke of reciprocation may be about 1/16th inch.
Patent GB-179802-A (GB)
Title: Improvements in hair waving or curling devices
IPC: A45D2/18
Filed: 1921-04-23
Abstract: 179,802. Pearce, H. H. April 23, 1921. No Patent granted (Sealing fee not paid). Magnetic appliances. - A hair-curler A, which may be magnetised so as to have a beneficial action on the hair, is formed from a single length of wire bent into a volute helix, with a hook C at the inner end. The wire may be double, in which case a hook is formed at one end and a fork at the other.
Patent GB-770501-A (GB)
Title: Anti-burglar device for doors
Inventor: MARSHALL ROBERT WEIR KIRK WOOD
IPC: E05B13/00
Filed: 1955-04-25
Abstract: 770,501. Lock guards. MARSHALL, R. W. K. June 30, 1955 [April 25, 1955], No. 11822/55. Class 44. An anti-burglar device for a door 3 fitted with a lock 12 comprises a strap 1 hingedly connectible at one end to a bracket 2 attachable to the door in the proximity of the lock, the strap being movable across the lock to a position in which access to the lock is prevented by the strap which is lockable by a padlock 7 in that position, the hinged end 8 of the strap being readily detachable from the bracket, and the end 8 of the strap being outwardly curled and being engageable with the inner face of an outwardly and downwardly curled edge 9 on the bracket so that the strap is held captive both by the padlock 7 and by the curled edge 9 on the bracket. Cheeks 10 of the strap mask the handle of the lock. In other arrangements, Figs. 5 to 8 (not shown), the lock handle is wholly or partially exposed through a hole in the strap. According to the Provisional Specification, the invention is applicable to window catches.
Patent GB-1144333-A (GB)
Title: Blended sand used for casting
IPC: B22C1/18
Filed: 1966-03-17
Abstract: 1,144,333. Casting sand. MITSUBISHI JUKOGYO K.K. 17 March, 1966 [17 March, 1965], No. 11840/66. Heading C1H. [Also in Division C3] Casting sand contains about 8% by wt. of cement as binder and 0À0001-2À0% by wt. of a cationic or non-ionic dispersing agent. The sand may be silica sand and the cement Portland or aluminous. A blending agent such as graphite may be included. The cationic surface active agent may be an alkylamine acetate and the non-ionic surface active agent may be polyethylene glycol.
Patent GB-789276-A (GB)
Title: Process for the production of phenthiazine compounds
Filed: 1956-04-19
Abstract: Phenthiazines of the formula <FORM:0789276/IV (b)/1> wherein the nucleus may be further substituted (preferably in the 1- or 3-positions) by halogen (e.g. chlorine) atoms, (C1-C4) alkyl, (C1-C4) alkoxy, aryl, aryloxy or acyl groups and in which A represents a divalent straight or branched chain of 2-4 carbon atoms and R1 and R2 may be the same or different and either represent (C1-C3) alkyl groups or together represent the residue of a mononuclear heterocyclic group containing the nitrogen atom to which they are attached, are prepared by reducing a corresponding nitrile of the formula <FORM:0789276/IV (b)/2> where A1 is a (C1-C3) alkylene group, in the presence of an amine of the formula R1R2NH.  The reduction is preferably effected by catalytic hydrogenation using Raney nickel or Adams' platinum catalyst.  Preferred conditions are a temperature of between 60 DEG  to 120 DEG  C. and a hydrogen pressure of 1 to 50 atmospheres.  The reaction may be conducted in presence or absence of solvents such as methanol or ethanol and preferably in the presence of a small amount of water. Aminoalkylphenthiazine byproducts may be converted by treatment with a toluene-para-sulphonylhalide or acetic anhydride under alkaline conditions into their acyl derivatives and the desired tertiaryaminoalkylphenthiazine separated therefrom by acid extraction.  Specified secondary amine starting materials are dimethylamine, diethylamine, pyrrolidine, piperidine and morpholine. Specified nitrile starting materials are b -(10-phenthiazinyl) - propionitrile and b  - (3 - chloro - 10-phenthiazinyl)-propionitrile. The latter may be prepared by reaction of the appropriate phenthiazine with acrylonitrile.  The examples describe the preparation of 3-chloro-10-(3-dimethylaminopropyl) - phenthiazine and the hydrochlorides of 3-chloro-10-(3-dimethylamino-propyl) - phenthiazine, 3 - chloro - 10 - (3-diethylaminopropyl) - phenthiazine, 10 - (3-dimethylaminopropyl) - phenthiazine and 10-(3 - diethylaminopropyl) - phenthiazine.  Specifications 716,206, 716,207, 716,227, 716,230, 724,217, 731,966 and 745,069 are referred to.
Patent GB-823957-A (GB)
Title: Improvements relating to jettisonable articles for aircraft and to aircraft carryingsuch articles
Inventor: THOMPSON LAURI JOHN
IPC: B64D37/12
Filed: 1956-04-19
Abstract: 823,957. Dropping from aircraft. FAIREY AVIATION CO. Ltd. July 19, 1957 [April 19, 1956], No. 12029/56. Class 9(2) [Also in Group XXXIII] A jettisonable fuel tank for aircraft comprising a streamlined shell 12 closed by dished panels 13 and shaped to fit the underside of a fuselage 11 is provided with a rear extension 15 to carry laterally-spaced coaxial trunnions 16 which co-operate with hook attachments 17 secured to the aircraft structure. The tank is attached to the fuselage by a conventional bomb slip 14 and when this is released the tank swings downwardly and rearwardly about the trunnions 16 until flats 20 on the trunnions are enabled to pass lips 22 on the hooks 17 whereby the tank may fall freely from the aircraft.
Patent GB-179535-A (GB)
Title: Improvements in road axles for wheeled gun carriages
IPC: F41A23/28
Filed: 1922-04-29
Abstract: 179,535. Schneider et Cie. May 3, 1921, [Convention date]. Field carriages.-The road axle is in the form of a laminated spring A which can be turned in the hubs of the road wheels E from a travelling position in which the leaves are resilient, as shown in the upper part of Fig. 10, to a firing position in which the leaves are on edge and therefore rigid, as shown in the lower part of Fig. 10. Spring pins P engaging recesses in the hubs D of the wheels serve to lock the axle in the firing position. The axle carries a cylindrical member G which can turn in a bearing in the gun carriage F and is fitted with a locking-pin to prevent turning movement in this bearing when travelling. Fig. 1 shows a modification in which screwed stays I are employed to turn the axle and also to support it against bending in the firing position. An extension M from the member G has a slot L which engages a pin N on the gun cradle to lock the cradle to the carriage in the travelling position. The brackets B in which the ends of the leaves are mounted with a lining of anti-friction metal are connected to the member G by side-plates B and pivot pins b<1>.
Patent GB-437597-A (GB)
Title: Improvements in or relating to lamps for velocipedes
IPC: B62J6/02
Filed: 1934-04-23
Abstract: 437,597. Reflectors. CONSTABLE, S. J., 24, Victoria Road, Alexandra Park, London. April 23, 1934, No. 12142. Drawings to Specification. [Class 97 (i)] [See also Group XI] An electric-battery cycle lamp comprises a projector provided with a red rear reflector. Reference has been directed by the Comptroller to Specifications 2017 /97 and 16624/97, [both in Class 75].
Patent GB-1243753-A (GB)
Title: Electric switch mechanisms
IPC: H01H19/62
Filed: 1970-03-13
Abstract: 1,243,753. Time switches. LANDIS & GYR A.G. 13 March, 1970 [18 March, 1969], No. 12164/70. Heading H1N. An electric switch comprises a rotatable programme disc 6 carrying projections 8 (8a) which co-operate with respective contact actuating cams (2), 3 mounted on a common shaft 1, each cam having surfaces 9 which are engaged by the respective projections 8 (8a) whereby the cam is rotated through an angle at each engagement, each cam (2) 3 being secured to respective star wheel (4), 5 which are engaged by a spring biased roller 10, the arrangement being such that each engagement of the cams (2) 3 by the projections 8 (8a) rotates the star wheel 4 (5) sufficiently for the roller 10 to pass over a peripheral point of the star wheel, whereupon the roller 10 bears on a trailing edge of the star wheel to cause it to rotate through a further angle and operate a respective contact set 19. Roller 10 is mounted on a spring biased lever 11 whose axis may be eccentrically adjusted to move the roller tangentially relative to the curve envelope of the star wheels 4 (5) to adjust the operation of the contact set(s) 19 relative to the disc 6. Both contact sets 19 may be simultaneously actuated if projections 8 (8a) are at the same position on disc 6.
Patent GB-186289-A (GB)
Title: Improvements relating to stockings and the like
IPC: A41B11/12
Filed: 1922-05-01
Abstract: 186,289. Obermeier, L. May 1, 1922. No Patent granted (Sealing fee not paid.) Drawings to Specification. Stockings.-Stockings and the like are provided with enclosed flat coil springs inserted in the stocking when this is manufactured, to obviate the use of garters or suspenders. A double-walled portion near the upper edge of the stocking may house a single flat coil spring or a number of round coil springs side by side.
Patent GB-630963-A (GB)
Title: Improvements in sludge tanks for reconditioning coolant liquid
IPC: B01D21/24
Filed: 1946-04-23
Abstract: 630,963. Gravity-separation apparatus. HAPMAN, H. W. April 23, 1946. No. 12217. [Class 46] [Also in Group XXIII] An apparatus for removing contaminants from coolant liquid for machine tools or grinders comprises a receptacle having downwardly-sloping bottom wall, an approximately U-shaped conduit structure having tubular arms extending downward to the lower part of the receptacle and a connecting conduit portion extending through the lower part, the connecting portion having an opening in the upper part thereof to receive contaminants settling down in the receptacle, an endless conveyer extending through the conduit, and driving mechanism engaging its external portion. As shown, coolant from a grinding wheel D, Fig. 1, falls on to a screen 25, Fig. 2, forming an inlet to a tank 5, and passes under a partition 28, beyond which solid matter settles through a gap between flanges 12 and 15 of sloping walls 11 and 14 respectively, into an open-topped portion 41, Fig. 3, of a conduit structure 45-50, the edges of the portion 41 being, secured to the flanges 12, 15, while coolant rises and flows over a second partition 29 into a compartment 4 from which it is returned to the grinding machine by a pump 37. Solid matter is moved through the conduit structure 45 ... 50 which is attached to sides 17 of the tank 5 and rests on a bracket 52 by a conveyer 75, Fig. 5, the external part of which is engaged by a pulley driven by a motor 68 on an adjustable plate 61 mounted on the ends of the conduit. The conveyer engages the insides of the bends 45 to obviate the need for guide wheels. The conveyer 75 comprises a chain on alternate links of which, are mounted flight elements of resilient material 82 secured between lugs 79 and plates 84, and providing a clearance past which liquid drains back into the tank. Solid matter falls from a plate 88 into a receptacle 93. A foam-removal opening 26 is provided in the side of the tank 5.