baber/WOPTO huggingface dataset:
Patent GB-954773-A (GB)
Title: Improvements relating to the assembly and disassembly of parts having an interference fit between them
IPC: B23P11/02
Filed: 1963-03-21
Abstract: 954,773. Assembling force fits. SULZER FRERES S.A. March 21, 1963 [May 18, 1962], No. 11339/63. Heading B3U. A method of assembling a cylindrically bored part on to a cylindrical member with an interference fit using an auxiliary conical element extending from and axially aligned with one end of the member, the element diameter adjacent the member being equal to that of the member comprises, sliding the part on to the smaller end of the element, applying pressurized fluid to at least one passage in the part which opens on to the bore surface, moving the part along the element and on to the member and releasing the pressure. The parts may be removed by carrying out the reverse procedure. A conical element extension 10, having a taper 1: 1250 is connected e.g. by screwing to one end of a camshaft 1 and parts 2 e.g. cams, gears having internal annular recesses and fluid connections 6 are positioned thereon, pressurized fluid e.g. oil is supplied via the connections to expand the parts which are successively slid along and positioned on the camshaft at which point the pressure is released and the connections removed. A resilient or plastic spacer member 11 or a cylindrical spacer having a diameter equal to that of the cam-shaft 1 may be positioned between the element 10 and cam-shaft. Alternatively the cam-shaft may be produced with an integral conical extension to facilitate assembly. The element may have a constant or variable taper. In a modification an externally conical hollow element 20 is secured to the end of the cam-shaft, a part 2 is slid on to the cone which is expanded by the hydraulic pressure admitted via a connection 24 into the cavity 22 until its external diameter is equal to that of the front end of the element and the cam-shaft, the part 2 is then expanded as before and slid on to the shaft. Alternatively the element is expanded by filling the cavity 22 with a plastic composition or a number of small balls which are compressed, or by making the cavity conical and inserting a tapered member therein or by heating via a heating coil inserted therein. Screw-on or hydraulic means may be applied to move the parts on to the shaft. Dis-assembly is achieved by reversing the process. The method may be used to assemble cams on to heavy diesel engine cam-shafts.
Patent GB-1209600-A (GB)
Title: Improvements in or relating to door handle assemblies
Inventor: STIMPSON JOHN RAYMOND FREDERIC
IPC: E05B65/20
Filed: 1967-03-10
Abstract: 1,209,600. Latches. WILMOT-BREEDEN Ltd. 1 Dec., 1967 [10 March, 1967], No. 11370/67. Heading E2A.  An internal door handle assembly comprises a latch release flap 7 pivotally mounted in a recess in a mounting 1 and a locking flap 12 pivotally mounted for manual operation and connected by a linkage to another locking member; the flap 12 being pivoted to engage the end of the flap 7 to prevent engagement by the fingers and so prevent manual operation to release the latch. An overcentre spring holds the locking member in position. External release of the latch is also prevented by a linkage 14 connected to the flap 12. The flap 7 is connected by an arm 9 to a release link 10 to connect the exterior handle to door latch mechanism. In an alternative construction, the locking flap is slidable between side walls of the flap 7 which has an opening into which an operating knob of the slidable flap extends. In looking position the locking flap extends beneath the opening preventing insertion of the fingers for pivoting of the release flap 7 to release the latch and a projection on the end of the slidable member engages under the end of the flap 7. The slidable flap is connected by a linkage to another locking member the linkage comprises a pivoting lever having a stud engaging in a slot in the slidable flap the stem of the stud moving in a slot in the mounting base. The external locking device may be in the latch mechanism or in an external handle which has an external push button operated by a key or rendered inoperative by the locking linkage. The internal locking member prevents latch release externally The mounting incorporates a legend, such as "locked" which is apparent on locking the latch.
Patent GB-114998-A (GB)
IPC: B23B31/06
Abstract: 114,998. Dufresne, J. C. Dec. 4, 1917. Sockets.-The removable portion 2 of a socket for a drill 6 or other tool, is driven by the revolving main portion 4 through a safety-device consisting of a transverse pin 19, the projecting ends of which engage in slots 21, 22 in the main portion 4, and are sheared off if the pressure, or torque become too great. An ejector 9 for striking the tang end 11 of the tool 6 may have forked ends 34 passing on each side of the pin 19. A spring-actuated plunger may be provided, to retain the pin 19 in position by engaging the grooved part 33, and several sets of holes may be provided in the portion 2 to take pins of various sizes. The slot 21 is preferably wider than the slot 22, so that the torsional shearing force need only be sufficient to shear one end Both slots have guidewalls 23, 24, to lead the pin ends into position when inserting the portion 2 into the revolving portion 4, and the portion 2 is held in position by pins, (not shown), which are pressed against the tapered portion 18 by a sliding collar 3. The tool 6 is kept from falling out by a hollow screw 35.
Patent GB-460551-A (GB)
Title: An improved pneumatic or hydraulic control device
IPC: F15B15/14
Filed: 1936-04-22
Abstract: 460,551. Hydraulic apparatus. SOC. D'INVENTIONS AERONAUTIQUES ET MECANIQUES S. I. A. M. April 22, 1936, No. 11503. Convention date; April 30, 1935. [Class 69 (ii)] [Also in Group XXVIII] A hydraulic control device particularly adapted for controlling the clutch levers of variable pitch air screws and of the kind in which a mobile member, such as a piston, is subject to the action of two opposed springs for returning it to its mid-position, has one of the springs 4 arranged to bear against a small cup 6, which allows said spring to be compressed when the piston travels in the direction f, but which when the piston travels in the other direction prevents the expansion of the spring by the engagement with a stop 9 at the end of a tie rod passing through the spring and cup to the end of the cylinder where it is secured at 8. The other spring 5 bears against the flange 10<b> of a sleeve 10 which allows the spring to be compressed when the piston moves in the direction f<1>, but which when the piston travels in the opposite direction prevents the expansion of the spring by the engagement of a flange 10a with a flange 11<a> on a fixed sleeve 11 over which the first sleeve telescopes. The -piston rod passes through both these sleeves and is made tubular at the end to receive the rod 7 when the piston moves in the direction f.
Patent GB-566789-A (GB)
Title: Anion active resinous condensation products
IPC: B01D15/04
Filed: 1942-08-17
Abstract: Anion active materials are prepared by mixing urea and/or an aminotriazine with an aldehyde and subjecting the mixture to a temperature high enough to form a clear syrup, adding an aliphatic polyamine or an aldehyde condensation product thereof, acidifying the syrup to form a gel, breaking up the gel and heating to cure the gel to an insoluble resin.  In a modification, the syrup is acidified and also heated to form the gel which is thereafter broken up, further heated, ground, screened and washed with water, dilute alkali and again with water.  Instead of urea, thiourea or ethyl urea may be used.  The aldehyde may be formaldehyde, acetaldehyde, propionaldehyde, butyraldehyde, benzaldehyde, cinnamyl aldehyde or furfural.  Suitable aminotriazines are melamine, 2,4,6 - triethyl-, triphenyl- and trihydrazino - 1,3,5 - triazines, 2 - amino - 1,3,5 - triazine, formoguanamine and lauroguanamine.  Polyamines specified are ethylene, trimethylene, tetramethylene, pentamethylene and hexamethylene diamines, diethylene triamine, triethylene tetramine and tetraethylene pentamine alone or admixture and their mono- and dibenzoyl, mono- and disulphanic acid monodiacetyl and mono-dibutyryl derivatives.  Suitable acids for gelling the syrup are hydrochloric, sulphuric, phosphoric, formic and acetic acids. Other substances capable of reacting with aldehydes may be included in the reactive mixture, e.g. phenol, aniline, phenylene diamine, dicyandiamide, guanidine and its salts and alkyl and arylderivatives.  The products may be used for removing from aqueous or alcoholic media mineral acids and organic acids, such as acetic and oxalic acids and chloride ions from ammonium chloride; water softening; purifying sugar juices; and extracting acids from vapours.  Typical examples describe (1) heating urea, formalin, triethanolamine and water to form a syrup, adding tetraethylene pentamine, heating, adding more formalin to form a viscous syrup, diluting with water, adding more formalin, introducing melamine and formaldehyde, heating and acidifying with hydrochloric acid to form a soft gel which is ground, dried at 50 DEG C. and heated at 100 DEG  C.; (9) heating melamine, formalin, triethanolamine and water at 80 DEG  C., cooling and adding an aqueous solution of tetraethylene pentamine.  Hydrochloric acid is added and the mixture heated to gel.  The gel is then treated as in example (1).  Dibenzoyl diethylene triamine is prepared by distilling 220-230 DEG  C. a mixture of diethylene triamine and benzoic acid. The yellow syrupy residue is dissolved in hot aqueous alcohol and decolourized with charcoal.  On filtering and cooling to 0 DEG  C. a soft solid precipitates which, after washing with aqueous alcohol, has a M.P. of 109 DEG  C.  Dibenzoyl triethylene tetramine (M.P. 88 DEG  C.) and dibenzoyl tetraethylene pentamine hydrochloride (M.P. 250 DEG  C.) are similarly prepared.  A mixture of benzoyl derivatives is similarly prepared from a polyamine mixture comprising diethylene triamine, triethylene tetramine and tetraethylene pentamine.
Patent GB-537949-A (GB)
Title: Improvements in or relating to a film magazine for motion picture apparatus
IPC: G03B17/26
Filed: 1940-07-11
Abstract: 537,949. Kinematograph apparatus. KODAK, Ltd. July 11, 1940, No. 11559. Convention date, Nov. 4, 1939. [Class 97 (i)] in a film magazine having a resilientlymounted front gate member 5 adjacent its front wall 1a, both having exposure apertures therein, a resilient member 25, having portions ensuring that it engages only the film margins, extends round the walls of the magazine with which the film might engage and serves to urge the gate member towards the wall 1a. The member 25 may be a spring band having parallel ridges 26 embossed therein ; it may be sprung into position, or may be secured by rivets 28, and may have offset ends 27. A shutter 16 rotatable by a squared pin 18, to close and open the exposure apertures, is normally gripped between the wall 1a and a part 14 of the member 5 offsets an amount equal to the thickness of the shutter. The shutter is freed, when the magazine is inserted in the camera, by projections 32, on a wall 30 therein, which pass through holes in the wall 1a to engage projections 12 on the member 5 and counteract the pressure of the ends 27 of the band 25. Ridges 23 on the member 5 engage the film F to avoid engagement with its picture areas, and side flanges 13 guide the film edges. Margin-engaging ridges 24 are also formed on a rear gate member 6 constituting a pressure pad which is carried by a stud 21 projecting through a support 7 carried by posts 9 ; a conical spiral spring 22 around the stud 21 provides the pressure.
Patent GB-577932-A (GB)
Title: Improvements in or relating to means for protecting property from aerial bomb attack
IPC: E04H9/04
Filed: 1940-07-11
Abstract: 577,932. Shields for buildings. MITCHELL. F. G. July 11, 1940, No. 11580. [Class 20 (i)] A protective canopy for buildings comprises a number of parallel wires 10 supported above the building by masts 14 from the roof or from the ground, and slabs of metal, concrete, wood and the like 11 which can be hooked or threaded on to the wires so as to form a continuous covering. The main wires may be interconnected by transverse wires 12 and the slabs may be supported from the transverse wires. The ends of the wires are inclined downwardly towards the ground and are anchored at their ends.
Patent GB-309831-A (GB)
Title: Improvements in and relating to cathodes for electric discharge devices
IPC: H01J9/04
Filed: 1929-04-15
Abstract: 309,831. International General Electric Co., Inc., (Assignees of Allgemeine Elektricitõts-Ges.). April 13, 1928, [Convention date]. Vacuum tubes.-Thermionic cathodes are provided with a coating of thorium on a base of refractory metal, such as tungsten or molybdenum, by the decomposition of thorium acetyl acetonate which is volatilized in an evacuated envelope containing the heated tungsten wire. As the temperature of the wire is increased, thorium oxide and carbon are deposited on the wire and at 2,200' to 2,300' absolute the carbon produces a reduction of the thorium oxide. When tungsten is used as the base it may contain a proportion of thorium oxide; tantalum or carbon may also be employed as the filament base. Specifications 223,244 and 260,062 are referred to. The Specification, as open to inspection under Sect. 91 (3) (a), describes also the use of the acetyl acetonates of the rare earth metals, such as cerium and lanthanum, an oxide base being produced in this case. Other volatile compounds, such as the halides, may be employed in conjunction with a reducing atmosphere, an example being thorium iodide in the presence of hydrogen. This subject-matter does not appear in the Specification as accepted.
Patent GB-149726-A (GB)
Title: Toy construction blocks
IPC: A63H33/06
Filed: 1919-05-09
Abstract: 149,726. Mericant, A. May 9, 1919. Building-blooks.-In conjunction with columns 1, Fig. 4, of square cross-section and provided with longitudinal grooves a and slots b at one or both ends and flat pieces c, Fig. 5, with slots d, and adapted to interfit with similar pieces and the columns 1, as shown in Fig. 6, elements 5, Fig. 8, adapted to bind together the columns which pass through apertures g therein, flooring-elements e, Fig. 7, with cut-away corners f, and panels of various designs, are used to form churches, halls, railway stations, &c.
Patent GB-197332-A (GB)
Title: Improvements in or relating to vehicle brakes
IPC: B60T13/06
Filed: 1923-05-01
Abstract: 197,332. Renault, L. May 3, 1922, [Convention date]. Void [Published under Sect. 91 of the Act]. Actuated by running axle. - A disc clutch adapted to apply the brakes is arranged on a shaft geared to the shaft which drives the live axle of the motor vehicle. The shaft 1 between the change-speed gear box and the transmission shaft which drives the rear axle is fitted with a gear 4 driving a worm 5 on a cross-shaft 6 which is coupled to a shaft 6<1> by a spring-pressed tooth clutch 18<1> which transmits motion in one direction only. The shaft 6' carries a disc 7 adapted to coact with a surfaced disc 9 mounted on a boss 11 which has a quick-threaded screw engaging a corresponding thread on a boss 13. This latter boss has an arm 14 connected to a brake-operating lever, so that when the lever is actuated the disc clutch is engaged and brakes are applied through a connection from the pin 19 on the disc 9. The clutch 18<1> prevents actuation in one direction, e.g. on reversing.
Patent GB-226097-A (GB)
Title: Improvements in and relating to fasteners for purses, tobacco-pouches, wallets and the like
IPC: A45C13/10
Filed: 1924-05-13
Abstract: 226,097. Noble, A. May 13, 1024. Strap fastenings for bags; stud - and - socket fastenings. - Purses, pouches, wallets and the like are fastened by a tag attached to or forming part of the flap and engaging under a loop secured to the purse &c. The tag is either composed wholly of metal or has metal mountings on the free corners. Figs. 2 and 4 show a purse A with a tag D secured to the flaps B at E and provided with metal mountings F on the free corners to cause it to drop outwards when passed under the loop C, as shown in Fig. 4, to secure the flap. Figs. 6 and 9 show a ladies' hand-bag with a metal plate G secured to the flap B. The plate G has a stamped-up tongue D which projects outwards when the plate is thrust under the metal loop C, securing the bag.
Patent GB-675293-A (GB)
Title: Improvements in crates or containers
IPC: B65D81/07
Filed: 1949-05-03
Abstract: 675,293. Crates. THOMAS, J. R. Aug. 2, 1950 [May 3, 1949], No. 11819/49. Class 18 A crate for carrying delicate instruments comprises a tubular or rod frame b in which is suspended resiliently a further frame f carrying a canvas or like cradle j pocketed to receive the instruments. The suspension comprises coil springs contained in tubes h attached to two opposite sides of the frame b. Parts e of the frame b are bent upwardly to provide a carrying handle or to position a similar crate stacked above.
Patent GB-269736-A (GB)
Title: Improvements in or relating to lubricating systems
IPC: F16N29/00
Filed: 1926-05-10
Abstract: 269,736. Birmingham Small Arms Co., Ltd., Hulse, F. W., and Nicholls, R. May 10, 1926. Manually-actuated multiple-way valves. - A lubricating-system for motor-cycles comprises means for controlling the flow of oil from a mechanically-operated pump through a sight-feed to one part of the machine, said means being also adapted to permit the oil from the pump to be diverted temporarily to another part of the machine. A casing 1 provided with a sight-feed chamber 2 is mounted in a boss 4 formed on the timing cover 5 of the engine, an oil pump 7 being arranged in the lower part of the boss. A hollow plunger 9 mounted in the casing 1 has at its lower end a conical flange 10 normally held in contact with a seating 11 on the casing 1 by a spring 12. A screw-down needle valve 17 is mounted in the upper end of the plunger, the valve stem passing through the casing and being provided with an operating knob 20. A spring detent 22 is adapted to engage notches 23 in the knob to hold the valve 17 in adjusted position. Rotation of the plunger is prevented by the engagement of a pin 25 with a slot 24. Communication between the central passage 27 in the plunger and the passage 3 is established by means of a hole 28 and a flat 26 or an annular recess in the upper end of the plunger. Normally, oil delivered by the pump 7 passes through a passage 8 in the boss 4 to the passage 27 and thence past the valve 17 to the chamber 2, whence it is conveyed by a pipe 21 to the crank case. On depressing the plunger 9, oil flows past the lower valve 10 into an annular space 13 whence it passes through outlets 14 to a pipe 15 leading to the transmission chain 16.
Patent GB-761230-A (GB)
Title: Improvements relating to aircraft
Inventor: CHAPLIN HERBERT EUGENE
IPC: B64C29/00
Filed: 1952-05-12
Abstract: 761,230. Launching aircraft. FAIREY AVIATION CO., Ltd. Aug. 12, 1953 [May 12, 1952], No. 12045/52. Class 4. An aircraft having jet propulsion means capable of giving a total static thrust exceeding the weight of the aircraft, has a cockpit for the pilot mounted in the fuselage to be capable of movement between a first position in which the pilot is upright when the fuselage is substantially horizontal and a second position in which the pilot is upright when the fuselage is in the vertical take-off position, and means controllable by the pilot for moving the cockpit between its two positions. The cockpit 13 is mounted for pivotal movement about its forward end 14 by pilot-controlled power operated means which rotate the cockpit through about 90 degrees and the aircraft is supported on a skid-type undercarriage which swings the aircraft from its normal, substantially horizontal landing position to the attitude for take-off shown in Fig. 3. The skid 16 is pivoted about its centre 17 to a resilient strut 18 and braced to it by a strut 19 which has a central pivot to enable it to fold. The upper end of strut 18 is pivoted at 20 to a main operating arm 21 which extends forwardly from a pivot 22 as shown in Fig. 2. The strut 18 is connected by a link 23 to the free end 24 of an operating arm 25 which is connected by a link 26 to an intermediate point 27 of the arm 21 and which rotates about a fixer pivot 36 aft of pivot 22. Arm 21 is swung down by a servo-actuator (not shown) through an angle slightly less than 180 degrees and link 26 swings arm 25 through the same angle so that link 23 remains in a strut-bracing position. At the same time movement of arm 21 shifts the aircraft so that strut 18 remains under the middle of the fuselage when in its vertical position. An alternative method of launching and landing the aircraft is described wherein a plurality of aircraft are supported for take-off on substantially vertical launching rails secured to the side of a ship. The ship carries a net in a pivotal frame and this is positioned so that an aircraft, previously manoeuvred into an inclined flying attitude wherein it is supported and propelled forwardly by jet thrust, is flown into the net. The net is then lowered to a horizontal position for removal of the aircraft by crane or trolley to a storage or take-off position. It is stated that the aircraft may be flown into a substantially horizontal net and arrested by a cable. Reference has been directed by the Comptroller to Specification, 733,770.
Patent GB-1459488-A (GB)
Title: Piperazinedione derivatives
IPC: C07D241/08
Filed: 1974-03-19
Abstract: 1459488 Dipeptide derivative JOHN WYETH & BRO Ltd 19 March 1975 [19 March 1974] 12051/74 Heading C3H [Also in Division C2] N<SP>α</SP> - glycyl - N<SP>#</SP> - carbobenzoxy - L - lysine methyl ester is prepared by esterification of N<SP>α</SP> - glycyl - N<SP>#</SP> - carbobenzoxy - L - lysine with methanol in the presence of boron trifluoride etherate with heating at 80 C. for 25 hours. The ester is isolated as its hydrochloride (Example 1).
Patent GB-691649-A (GB)
Title: Improvements in apparatus for making tubes
IPC: B31B50/42
Filed: 1951-05-24
Abstract: 691,649. Making tubes. RAUSING, R. May 24, 1951 [Dec. 30, 1950], No. 12189/51. Classes 83 (ii) and 83 (iv). [Also in Group XXVIII] A vertical frame 10 carries at its upper end a guide roller 12 over which runs a continuous web 14, e.g. of metal foil, that is formed into a tube by longitudinally spaced shaping elements 18, 20 the upper element 18 having an opening extending in the direction of movement of the web, one of the edges 22 of the opening being turned outwardly to cause one edge 28 of the web to overlap the other edge 30, and the element 20 being continuous and preferably internally tapered and conforming to the shape of the tube. Means, such as an electric element 24 having a slot 28 through which passes the edge 30 of the web, heat the edges of the web to a sealing temperature and means, e.g. a spring-biased roller 36 co-operating with a roller carried on a sleeve 48 inside the tube, press the overlapping edges of the web together to seal the joint; alternatively, there is means for applying adhesive to at least one of the edges of the web. The finished tube 16 may be drawn through the apparatus by driven rolls 62 co-operating with rollers inside the tube and mounted on the sleeve 48. The roller 12, together with the elements 18, 20, may be laterally adjustable, and the web may be tensioned by a braking device before passing over the roller; alternatively, a curved guide surface, or adjustable guide bars 64, between the roller and the element 18 may be used to tension the web. In a modification, the shaping elements comprise concave rollers carried in annular holders.