baber/WOPTO huggingface dataset:
Patent GB-213230-A (GB)
Title: Improvements in electric lamps for cinematographic and other projection apparatus
IPC: H01R33/05
Filed: 1924-02-12
Abstract: 213,230. PathÚ CinÚma, Anciens Etablissements PathÚ FrÞres. March 19, 1923, [Convention date]. Addition to 189,743. Optical-projection apparatus.- In a modification of the electric lamp for projection apparatus described in the parent Specification, the tenon 2 carried by the ring 1 fixed to the lamp base has an enlarged portion 2<a> fitting into a corresponding openiug 9 formed in one of a number of longitudinal slots 8 in the socket 7. The base 4 is thus prevented from sliding when jarring movement occurs.
Patent GB-114019-A (GB)
Title: An Improved Intermediate Shunt for Aerial Ropeways and the like.
Inventor: JAMES REGINALD WILLIAM
IPC: B61B12/02
Filed: 1917-03-13
Abstract: 114,019. James, R. W., (Cary, M. J., Hally, S. J., and Stephen, C. C.). March 13, 1917. Travetting ropeway conveyers.-To detach a carrier from the travelling cable in an aerial ropeway, a shunt bar or member j is slidably mounted on the compensating lever b pivotally mounted on the spindle c and carrying the porter wheels d for the rope c. When the shunt bar is raised into the position shown, the lower end of the inclined portion I is disposed above the rope so as to enable the wheels n of the carrier to engage and travel thereon, the rope grips p being gradually withdrawn from the rope c. The carrier finally rests in the central depressed portion m of the shunt and can be unloaded and transferred to another rope or pushed down the opposite slope to re-engage the rope. The shunt bar may be raised by depressing a lever p' pivoted at q and carrying a wheel engaging a part s on the shunt.
Patent GB-826052-A (GB)
Title: An electric motor and its mounting structure
IPC: F16B9/02
Filed: 1957-02-04
Abstract: 826,052. Clips. MIDGLEY, A. M. Jan. 24, 1958 [Feb. 4, 1957], No. 3732/57. Class 44 [Also in Group XXXV] An electric motor and its casing 1 are positioned on a mounting structure comprising a supporting plate 4 at three points, one of which is formed by the motor output shaft 2 which passes through an aperture in the plate and is offset from the casing axis, and the other two of which are formed by two upstanding lugs 5 so disposed on the plate as to engage the casing side wall whereby the motor and casing are anchored against rotation relatively to the plate. As shown the motor is of the synchronous type and is secured to the plate by a U-shaped spring clip 6 the bent ends 8 of which engage under the plate, and there may be two or more such clips. In the Provisional Specification the mounting is not restricted to that of motors.
Patent GB-383487-A (GB)
Title: Improvements in or relating to the manufacture of rings and the like
IPC: B21K1/76
Filed: 1932-02-08
Abstract: 383,487. Making rings. RINGFEDER GES. and BRESSER, L., 19, Topstrasse, both in Uerdingen, Niederrhein, Germany. Feb. 8, 1932, No. 3745. [Classes 83 (ii) and 83 (iv).] Forging-machines; dies ; punches.-Rings, especially for ring springs, are made from blanks of small diameter compared with the finished ring, by upsetting the heated blank over a mandrel, and then completing the hole expanding, and forging without further heating. Cylindrical blanks are placed on end between dies 3, 5, and upset over the forming member 6 to fill the space between the dies. A number of lower dies 5 may be carried on a table 10 rotatable about a spindle 11 and locked by a device 12 to allow cooling between successive operations. The blank 2, Fig. 3, is transferred to a second press comprising a lower annular die 13 and a central upwardly spring- pressed mandrel 19. The hole is formed by the descent of a punch 14, which, on further downward movement, forces down the punchedout portion and the member 19 against the action of a spring 18 while expanding the blank over its tapered portion. Upon the head 17 engaging an arm 20, it is lowered to compress the blank between the members 16, 13. On the upward movement, the member 20 serves as a stripper for the work while the member 19 ejects the punched-out portion. A sequence of operations is described comprising sawing a blank from a rod, heating, forging, reheating, rolling, and then sizing the working surface accurately in a further press. The blank is then tempered and hardened.
Patent GB-117584-A (GB)
Title: Improvements in Valve Mechanisms for Pneumatic Percussive Tools.
Inventor: HAESELER CHARLES HERMAN
IPC: B25D9/16
Filed: 1917-07-19
Abstract: 117,584. Haeseler, C. H. July 19, 1917. Valve chests and casings.-In a gear of the kind described in Specification 117,313, [Class 124, Stone &c.], wherein a ball 55 actuated by the compression in the ends of the cylinder distributes fluid-pressure to the two cylinder ends, the exhaust being controlled by the main piston over-running ports 82, the valve cage comprises two separable telescopic sections 51, 50 which are locked together by a stud 57 engaging a groove 58 in a pocket in the headblock in which the cage is mounted. The section 50 is tapped at 64 to facilitate the with. drawal of the cage which is held in position by a spring 65 and a cover 66.
Patent GB-273606-A (GB)
Title: Improvements in six wheel car truck construction
IPC: B61F3/10
Filed: 1927-02-14
Abstract: 273,606. Jensen, C. A.., (Buckeye Steel Castings Co.). Feb. 14, 1927. Axle-trucks and bogies.-In a six-wheel car truck, two transverse bolsters 16 are mounted in side frames 1, 2, and a longitudinal bolster 31 is keyed to the transverse bolsters at 32 by pins 37. Each side frame is in three parts 1,2,3, the parts 1 and 2 each being provided with an opening to take one end of its respective bolster 16 and supporting springs 21, the spring plate 19 of the springs 21 being extended inwardly in the form of a bracket 22 to carry the brake rigging. Each part 1, 2, has an axle-box bolted to it, the axle-box for the centre part 3 being integral with the latter. The two bolsters 16 are bridged at the ends by a member 28 which forms spacing means for the bolsters. The inner end of each part of the side frame members 1, 2, is pivoted at 5, 5 to the end of the central part 3 remote from the respective part 1 or 2 so that the three part side frame forms equalizing levers. An inturned bracket 26 is bolted to each end axle-box to carry the brake hangers.
Patent GB-513396-A (GB)
Title: Improvements in and relating to cop winding machines
IPC: B65H54/14
Filed: 1938-11-30
Abstract: 513,396. Cop-winding machines. MACKIE & SONS, Ltd., J., and MACKIE, J. P. Nov. 30, 1938, No 4064/39. Divided out of 513,364. [Class 120 (ii)] In cop -winding machines of the kind wherein there is axial movement between the cop and the spindle on which it is formed, the cops are axially loaded during winding by means of a buttress 12 rotating in "roller" bearings, such as a radial ball bearing, and the formng-rollers 10 are mounted in "roller" bearings of the Timken type. Specifications 513,364, 513,394, 513,395, 513,397 and 513,398 are referred to.
Patent GB-1522902-A (GB)
Title: Carburettor for an internal combustion engine
IPC: F02M3/09
Filed: 1976-02-03
Abstract: 1522902 Spray carburetters NISSAN MOTOR CO Ltd 3 Feb 1976 [7 Feb 1975 (2)] 04137/76 Heading F1H In a carburetter having a main fuel supply system between the fuel bowl 20 and the venturi 18 and an idling mixture system between a fuel passage 32 of the main system and the induction passage 14 downstream of the open throttle valve 16, the idling system has two atmospheric air bleeds 58, 66 and a valve 92 which obstructs the passage of air from the idling to the main system under certain operating conditions of the carburetter. In the embodiment shown the valve 92 closes the fuel passage 42 between the main and idling systems when the vacuum in the passage 14 downstream of the valve 16 or in the engine intake manifold is above a predetermined value insufficient to maintain the valve open against the bias of the spring 108. The valve 92 may be operated by a solenoid (154), Fig. 6 (not shown), which is energized to close the valve in response to engine speed being in a predetermined range, e.g. 2,000 to 3,000 rpm, and the manifold or induction passage vacuum being in a predetermined range, e.g. -150 to -300 mm Hg, concurrently. In further embodiments, Figs. 5 and 7 (not shown), a valve (140) operated by a solenoid (172) or diaphragm actuator (144) closes the inlet (140) of a chamber (138) providing communication between the air bleeds 58, 66 and the atmosphere.
Patent GB-405113-A (GB)
Title: Improvements in interference preventative devices for electrical apparatus
IPC: H04B15/02
Filed: 1933-02-13
Abstract: 405,113. Protective arrangements. ELECTROLUX, Ltd., 153, Regent Street, London.-(Assignees of Inventia Patent- Verwertungs-Ges. ; 10, Herrenacker, Schaffhausen, Switzerland.) Feb. 13, 1933, No. 4350. Convention date, March 7, 1932. [Class 38 (iv).] For preventing interference with radio installations by series wound dynamo - electric machines, more especially domestic machines, condensers are connected across the commutator brushes and optionally also across the current supply leads and the condensers of the first circuit and also, if desired, that of the second circuit are connected with one or more metal casings surrounding one or more condensers and insulated from the apparatus housing. As shown in Fig. 1, two condensers 14 enclosed in a casing 17 are connected across the commutator brushes 12 and a single condenser 16 enclosed in a casing 18 is connected across the supply leads 15, the motor and casings being contained in the apparatus housing 10. The condenser circuit 14 is connected with either casing 17 or 18 or with both. In one arrangement the circuit 14 is connected to the casing 16 which is earthed either directly or through a further condenser. In another all condensers are housed in a single casing to which the circuit 14 is connected through an additional condenser. The circuit 14 may be connected to the casing 18 and the circuit 16 with the casing 17 either directly or through further condensers. The condenser casings may be enclosed in an insulating layer.
Patent GB-138936-A (GB)
Title: Improvements in clamping devices for slicing machines
IPC: B26D7/02
Filed: 1920-02-13
Abstract: 138,936. Berkel, C. F. M. van. June 4, 1917, [Convention date]. Cutting slices in succession. - The clamp described in Specification 138,907 is provided with means other than the clamping bar for releasing the clutch on the upright remote from the handle, to allow the bar to contact with the whole upper surface of the material being clamped. As shown, a bell-crank lever 30 pivoted at 31 to the bar 15 engages a projection 34 on the clutch collar 13 and carries a tripping plate 37 between the teeth of the clamping bar. When the bar is inclined as shown, the plate 37 projects beyond the teeth, is pressed by the material being clamped, and does not allow the clutch 13 to grip the upright. When the clutch 13 has risen so far as to allow the bar 15 to become horizontal, the plate 37 lies within the teeth and allows the clutch 13 to grip the upright. In a modification, a leve pivoted on the pin 16 and having its free end adjacent to the other end of the bar 15 frees the clutch 13 when desired by engagement with a lug 18.
Patent GB-1537171-A (GB)
Title: Perforating apparatus
IPC: B29D28/00
Filed: 1977-02-03
Abstract: 1537171 Shearing; making expanded metal AGA AB 3 Feb 1977 [5 Feb 1976] 04461/77 Headings B3A and B3W [Also in Division B4] A perforating apparatus for perforating sheet material, e.g. plastics or metal, comprises a cutting device 18 and a material supporting tool 27 co-operable with the cutting device to perforate material 14 passed between the device and tool, the cutting device having a cutting element 25, 26 which in co-operation with the tool 27, is adapted to form a slit in the material, the cutting element having means effective to expand the slit. The cutting device is in the form of a bar rotatably mounted on a shaft 20 and formed with a plurality of pairs of cutting edges 25, 26, Fig. 3, and associated curved surfaces 24. The supporting tool 27 is eccentrically mounted on a shaft 28 and formed with a flat 19. In operation, the cutting edges cooperate with the flat to first form slits, the material then being gripped between the curved surfaces and the flat thereby causing the slits to be expanded as the cutting edges come out of the material a second row of cutting edges are formed on the opposite edge of the bar 18 and are offset in relation to the first row in order to form a pattern of apertures, Fig. 1 (not shown). In a modification, the rotary cutter may be replaced by a reciprocating device.
Patent GB-247958-A (GB)
Title: Improvements in or relating to tools for turning and planing metals, wood and the like
IPC: B23B29/04
Filed: 1926-02-16
Abstract: 247,958. Maschinen-& Werkzeugfabrik Akt.-Ges. Turbenthal. Feb. 19, 1925, [Convention date]. Tools; tool-holders.-A tool-holder for use in turning or planing metals, wood, &c. comprises a pair of clamps 1, 2, Fig. 2, provided with longitudinal grooves 7 for accomodating a cutter 10. The clamps may be aligned by a tongue 3 which is secured in one of the clamps and which engages in a longitudinal slot in the other clamp in such manner that relative longitudinal adjustment of the clamps is possible. The clamps may be recessed at 13 to grip a round rod or tool-shank, in which case the tongue 3 may be omitted. The tools may be double-ended and may be tapered at the clamping portion. Various modifications of the clamping-section are shown. The tools may be provided with four cutting-edges 23, Fig. 14. The holder may be provided with grooves on opposite faces so as to hold two tools simultaneously. The grooves may be disposed so that the tool can be secured in the holder at the required angle.
Patent GB-138714-A (GB)
Title: Improvements in motor cycles
IPC: B62M9/00
Filed: 1919-02-24
Abstract: 138,714. Wood, B. G. Feb. 24,1919. Weather screens; mud-guards; supports. - A casing enclosing the engine is formed with a wide front plate C and a large opening F at the top through which the air passes to cool the cylinders. The air passes out at the rear through long slits formed between the rear part E of the casing and the ordinary rear mud-guard. The sides D of the casing are hinged at P and are detachably secured by bolts L and spring clips K. The front plate C and the rear part E of the casing serve as mudguards and are connected by the foot-boards A. A member R is fixed to the frame to take the shock if the machine falls over; side-car connexions may be attached to this member. The opening F may be arranged in front of the steering-head.
Patent GB-1220442-A (GB)
Title: Improvements in, or relating to, the manufacture of oxides
Inventor: BIRKETT HERBERT GEORGE
IPC: B01J47/10
Filed: 1967-01-30
Abstract: 1,220,442. Purifying TiO 2 . LAPORTE TITANIUM Ltd. 18 Jan., 1968 [30 Jan., 1967], No. 4546/67. Heading C1N. Hydrated TiO 2  produced by hydrolysis of Ti sulphate is purified by passing an aqueous suspension of the TiO 2  downwardly through a bed of cation-exchange resin in the H form, the resin being of size such that at least 90% of the particles are not less than 420Á, the flow of the suspension being pulsated so that the bed is expanded during each pulsation. The resin particles are preferably of size such that at least 90% are less than 5000Á and at least 90% have a size not differing by more than 10% from a certain size in the range 460-4600Á. The suspension may be fed at 3 1./m.<SP>2</SP>/sec. and pulsed at 10-100 cycles/sec. It may contain 100- 1000 p.p.m. Fe<SP>2+</SP> and 20 p.p.m. each Cr and V (as oxides). The TiO 2  may first be washed with water containing 0À5-5 g./l. H 2 SO 4 , and the suspension to be treated may contain 0À5-5 g./l. H 2 SO 4 . The whole treatment (including washing) may be effected under non-oxidizing conditions, e.g. in an inert atmosphere and/or in the presence of a reducing agent, e.g. 0À1- 0À2 g./l. Ti 2 (SO 4 ) 3 . The pulses may be generated by connecting the inlet tube to a pulse tank which is alternately connected to sources of vacuum and compressed air by means of a solenoid valve operated by a relay with contacts in the pulse tank. TiO 2  containing Cr, obtained from high Cr ilmenite ores, may be subjected to a further treatment with a cation-exchange resin in the H form, at above 70‹ C., e.g. 80- 95‹ C., using an amount of resin in excess of the stoichiometric equivalent of the Cr present, preferably 10 times in excess. The purified TiO 2  may be suspended in H 2 SO 4  and boiled with Al powder. The TiO 2  may be calcined with K 2 SO 4  and ZnO to give rutile.
Patent GB-1245718-A (GB)
Title: Snap switch with unitary insulating enclosure
Inventor: PIBER EARL THOMAS
IPC: H01H13/46
Filed: 1970-01-30
Abstract: 1,245,718. Retractive switches; switch cases. CUTLER-HAMMER Inc. 30 Jan., 1970 [30 Jan., 1969], No. 4572/70. Heading H1N. A unitary insulating enclosure 2 for an electric switch comprises a base 12 having walls extending from one face to define an open cavity 14, one wall including an actuator 24 integrally joined with base 12 by a wall portion and a hinge portion 26 and another wall having joined therewith by an integral web hinge portion 18 a cover 16 which may be folded about web hinge portion 18 to cover cavity 14. Cover 16 when closed may be secured to the enclosure by adhesive or sonic welding at points X. One wall has recesses 20 housing fixed contacts having terminals 4b, 6b and a moving contact 8a having terminal 8c and connected to overcentre spring 10 pivoted in slot 30 in the wall. Depression of actuator 24 depresses the moving contact causing spring 10 to snap over to connect contact 8a with the upper fixed contact. On release of actuator 24 it retracts followed by the moving contact causing spring 10 to snap back. The fixed and moving contacts are located in recesses 20 by projections 22, Fig. 6 (not shown), in recesses 20. A number of switches may be mounted side by side being located by projections 36, 38, Fig. 6, on cover 16 mating with recesses 32, 34 on the outside of base 12.
Patent GB-1073233-A (GB)
Title: Apparatus and method for the treatment of crops
IPC: A01C1/08
Filed: 1964-02-04
Abstract: 1,073,233. Drying and preserving harvested crops. C. H. LEWIS and R. J. LEWIS. Feb. 4, 1965 [Feb. 4, 1964], No. 4633/64. Heading A2D. In an apparatus for the treatment of harvested crops, e.g. hops, the crop is loaded into a truck having a perforated floor, the truck is moved over an open' top' of a treatment compartment, the truck by itself or in combination with one or more similar trucks covering the open top of the compartment and being of a size substantially equal to that of the open top of the compartment, a gas is passedfrom the treatment compartment, sealing means on the truck and on the compartment respectively are engaged to minimise the escape of gas other than through the open top of the compartment and thus through the crop and, after completion of the treatment the truck is moved off the open top of the compartment and the crop is discharged. Hops are delivered from a conveyer 24 into two trucks 29 having a slatted floor. The trucks 29 are run along rails 26 to a treatment compartment 10 where, by the retraction of hydraulic rams, sections of the rails 26 are lowered so lowering the trucks 29 the bottom edges of which then engage rubber sealing strips around the top edges of the compartment 10. Sulphur fumes are passed through the hops in this position after which the trucks 29 are returned to the level of the rails 26 and transferred by means of a trolley 30 to a lift 22 and hence to rails 25 on which they are passed successively over further treatment compartments 11, 12, 13, 14 where they are dried with hot air at a velocity diminishing from compartment 11 to 14 respectively. The hops are finally cooled by cold air over a treatment compartment 15 and the dried and cooled hops are discharged by inversion of the trucks 29. Alternative sealing means and discharging means are described.
Patent GB-585521-A (GB)
Title: Improvements in or relating to mechanism for registering sheets being fed to printing presses and other machines
IPC: B65H9/12
Filed: 1945-02-23
Abstract: 585,521. Feeding sheets. BACKHOUSE, H. T. Feb. 23, 1945, No. 4646. [Class 100 (i)] In the feeding of sheets by a conveyer over a feed table 10 to front stops 13, the sheets are controlled in their motion towards the stops 13 by means of a pair of suction smoothers 14 which are reciprocated towards the stops 13 at a speed slower than the conveyer. A preliminary sheet stop 18 is attached to each smoother, and suction is applied to the smoothers as the sheets move towards the stops 18, and is cut off or reduced as the sheets reach the stops 13. The smoothers are finally moved out of the path of the sheets. Specifications 446,886, 541,333 and 564,322 are referred to.
Patent GB-740607-A (GB)
Title: Method of cutting gears
IPC: B23F1/06
Filed: 1952-03-20
Abstract: 740,607. Milling-cutters. DEMAG-BAGGERFABRIK GES. March 20, 1952 [March 22, 1951], No. 4659/54. Divided out of 740,538. Class 83 (3). A method of cutting gears consists in that the spaces between the teeth are cut by several successive blades of different profiles, which blades are operative one at a time and of which one cuts through to the base of the tooth space. Rack-teeth may be finish-cut by such a cutter but, for spur and bevel gears, an approximate tooth-space is roughed out. The teeth of the cutter shown in Fig. 1 cut on the lower edges, the bottom-cutting blade being duplicated on each side of the cutter, but those shown in Fig. 2, cut only on their side faces with the exception of the bottom-cutting blade 42. In a cutter for bevel gears, the upper blade 48, Fig. 3, is designed to widen the tooth-space at the outer periphery as shown at 49, Fig. 4.
Patent GB-1129124-A (GB)
Title: Electrochemical cells
IPC: H01M8/08
Filed: 1966-02-02
Abstract: 1,129,124. Fuel cells. SIEMENS-SCHUCKERTWERKE A.G. 2 Feb., 1966 [5 Feb., 1965], No. 4690/66. Heading H1B. [Also in Division C7] In cells with aqueous electrolyte, the electrodes 5 consisting of powdered catalysts and a porous covering layer 6 sandwiching a porous electrolyte impregnated support 7 as described in Specification 1,120,591, have a binder to bind the catalyst particles together and to the covering layer on the electrolyte side. The binder is polytetrafluoroethylene powder, polymethylmethacrylate powder, polyethylene powder or glass powder.
Patent GB-305378-A (GB)
Title: Differential driving gear for motor vehicles with six or more wheels
IPC: B60K17/16
Filed: 1928-02-15
Abstract: 305,378. Bath, A. Feb. 15, 1928. Transmission gear between separate axles.-Comprises differential driving gear for driving four wheels of a, vehicle having six or more wheels in which one pair of wheels are driven through a differential gear and the other pair are driven from the same differential gear through friction means permitting slip when necessary. In the construction shown, the sun pinions B of a differential gear mounted on and driving the front driving axle C are formed with outer bevel wheels b driving the corresponding rear half-axles C<1> through shafts F<1>, friction clutches h and bevel gearing K. The clutch members G are slidably splined on the driving shafts F<1> and are pressed into engagement with loose bevel pinions H by springs G<1> adjusted by nuts f<2>. Flexible couplings f are provided on the shafts F'.