baber/WOPTO huggingface dataset:
Patent GB-547751-A (GB)
Title: Improvements in method and apparatus for making corrugated tubes
IPC: B29D23/18
Filed: 1941-04-22
Abstract: 547,751. Flexible tubes. UNITED STATES RUBBER CO. April 22, 1941, No. 5164. Convention date, May 29, 1940. [Class 99 (ii)] [Also in Group V] A stretchable circumferentially-corrugated mandrel 10 is stretched as shown in Fig. 3, a plain rubber or other tube 24 is telescoped over the mandrel, the mandrel is allowed to contract, whereby the tube is folded to form corrugations, as shown in Fig. 8, and the contracted mandrel with the (rubber) tube thereon, is put into a vulcanizing chamber. After vulcanization, the mandrel-tube assembly, mounted on the rod 11, is replaced in the position shown in Fig. 3, the rod being secured in a support 13, the assembly is stretched, and the tube is pulled off. To facilitate telescoping of the plain tube over the stretched mandrel, the (interiorly-and-exteriorlytalc-dusted raw rubber) tube 24 may first be placed within a canvas retaining tube 23, a compressed air nozzle 27 being inserted within one end of the tube 24, the other end of the tube being fitted over the mandrel (Fig: 5) and compressed air being admitted between the tube and mandrel, the tube sliding along the cushion of air thus formed ; holes in the mandrel permit air to escape. A similar procedure is adopted when removing the vulcanized tube from the mandrel. A stockinette tube may be placed on the tube 24 before it is shaped on the mandrel 10, the tube 24 being previously coated exteriorly with a rubber adhesive on which is dusted zinc stearate which renders the adhesive temporarily non-tacky ; during vulcanization the stearate melts and is absorbed by the rubber, and the. stockinette becomes permanently bonded to the rubber. In a modification, the tube 24 is coated exteriorly with rubber adhesive or zinc stearate, the stockinette tube is slipped over it, and the compound tube is collapsed on and removed from the mandrel, and vulcanized in a mould by the "partly moulded and blown" process, in which the compound tube is enclosed within a corrugated mould, and compressed air is blown into the tube to press the tube against the mould corrugations. The mandrel may be made of rubber composition, rubberized fabrics, or copper, and may be solid.
Patent GB-178632-A (GB)
Title: Improvements in or relating to saddles or seats for cycles, motor cycles, and the like
IPC: B62J1/02
Filed: 1921-02-16
Abstract: 178,632. Terry, A. V. Feb. 16, 1921. Saddles and seats.-In a saddle or seat composed substantially of springs i, j, arranged in hammock fashion, the hammock supporting- frame a is pivotally mounted as at c to move vertically relative to stationary supporting-parts b<1> against the resistance of additional springs e. A sheet-metal disc h is in the centre of the seat proper. A connecting-stay f may couple the diverging portion of the underframe carrying the seat-pin clip d.
Patent GB-901378-A (GB)
Title: Improvements in and relating to phenolic resins
Inventor: FITZGERALD DESMOND MICHAEL
IPC: C08G8/24
Filed: 1960-02-15
Abstract: Formaldehyde is reacted with cumylphenol and at least one alkyl phenol which has only two formaldehyde-reactive positions and which is 2,5-dimethylphenol or has a total of at least three alkyl carbon atoms in the substituents.  A basic catalyst may be used in all cases, but an acidic catalyst only when the alkylphenol contains a free position para to the hydroxyl group, or has an alkyl group of at least 12 carbon atoms.  Suitable phenols are: p-butyl-; -octyl-; -dodecyl-phenols; 3-methyl-6-tert.-butyl phenol.  Suitable catalysts are: acetic, oxalic, hydrochloric or sulphuric acids; alkali or alkaline-earth hydroxides; sodium or potassium carbonate.  The amount of formaldehyde may vary widely; 0,5-2 moles per mole of phenols is suitable.  The cumyl phenol is preferably present in a larger mol. quantity than the other alkyl phenol.  The catalyst concentration is preferably 0,01 to 0,05 moles per mole of phenols for acidic and 0,025 to 0,05 for basic catalysts.  The catalyst should be removed after the reaction, e.g. by neutralization followed by water washes. Oxalic acid is preferred as acid catalyst, as it may be destroyed by heating, and bleaches the resin.  Resins made using other catalysts may be bleached by heating with, e.g. 0,1-0,2 parts by weight of oxalic acid.  With basic catalysts, the reaction temperature should not greatly exceed 160 DEG C.; with acids, it may reach 250 DEG C. Varnishes may be prepared from the resins by cooking with, e.g. tung oil, and dissolving in solvents, with driers.
Patent GB-936925-A (GB)
Title: Improvements in or relating to devices for automatically releasing and re-setting the locking members of automatic couplers for rail vehicles
Inventor: WHITEHOUSE GLENROY DOUGLAS
IPC: B61G7/04
Filed: 1961-02-14
Abstract: 936,925. Operating devices for automatic couplings. ENGLISH STEEL CORPORATION Ltd. Feb. 6, 1962 [Feb. 14, 1961], No. 5361/61. Class 103(5). A device for automatically operating the lock of an automatic coupling, such as a Willison coupling Fig. 3, having a pivoted lock operating lever 14 depending below the coupler head and a fixed depending projection 15, comprises a carrier 24 Figs. 4, 5 pivotally mounted on pins 21 in brackets 20 fixed in a well below the rails, a slide 25 movable transversely with respect to the carrier in a guide channel 27 and mounting a central projection 45 and side cheeks 51 and a spring pressed plunger 34 which normally holds the carrier by a pivot pin connection 32 in the full line position, Fig. 5, but allows it to pivot forwardly to the dotted line position if abutted by a part of the vehicle such as 65. In operation, Fig. 8, the couplers A, B, of adjacent vehicles either locked up or engaged for locking together, are passed longitudinally with their cars over the slider 25 so that their pivotable lock operating members 14 and their fixed depending members 15, (see also Fig. 3,) enter the channels defined between the projection 45 and the side cheeks 51. The members 14, 15, of each coupler A, B, then engage the projection 45 and are moved relatively apart as they pass through the slider, Fig. 10 so that the members 14 are pivoted to lock or unlock their respective couplings as the case may be. The slider 25 is moved from side to side of the carrier by the progressive movement of the member 15, and the carrier is provided with sloping ends 59, 60 which may be depressed by the part 65 of the car 8 against the action of the plunger 34. A particular form of coupler which is designed for operation by the device is described and shown in Specification 936,923.
Patent GB-124807-A (GB)
Title: Improvements in Cellulose-acetate Compositions, for use as Varnishes, Lacquers and for other purposes.
Inventor: ZIMMER ALPHONS ARTHUR ANTHONY
IPC: C08K5/09
Filed: 1916-04-12
Abstract: 124,807. Zimmer, A. A. A., Bryce, J. A., and Davies, G. L. April 12, 1916. Varnishes.-A composition consisting of about equal parts of cellulose acetate and cresylic acid is thinned with solvents, such as acetone, benzol. and alcohol, for use as a varnish for aeroplane wings, &c.
Patent GB-306408-A (GB)
Title: Improvements in or relating to the production of light-sensitive layers
IPC: G03C1/61
Filed: 1929-02-18
Abstract: 306,408. Kalle & Co. Akt.-Ges. Feb. 16, 1928, [Convention date] Diazotype sensitive layers, which may include an azo coupling component, and may be developed with alkaline gases, as described in Specification 234,818, are stabilized by the addition of compounds containing bivalent sulphur, especially derivatives of thiocarbonic acid, such as thiourea, thiosinamine, thiocarbamic acid and derivatives thereof. Thio-glycollic acids may be used, and colloidal sulphur also produces an effect. The layers may also include acids, metallic salts, and colloidal-bodies such as gelatin or dextrin. Examples are described in which thiourea is added to layers containing (1) 2-1-diazohydroxynaphthalene-4-sulphonic acid, phloroglucine, and titanium ammonium fluoride; (2) the double salt of zinc chloride and the diazo-compound of 2- aimino-5-ethylamino-1-toluene, phloroglucine, boric acid, tartaric acid, and aluminium sulphate; and (3) the diazo-compound of 1-dimethylamino-4- ammo-3-methylbenzene, phloroglucine, resorcin, borax, tartaric acid, aluminium sulphate and dextrin. Development with alkaline vapour may be followed by a short treatment in a moist warm atmosphere.
Patent GB-1096211-A (GB)
Title: Power units including a propeller driven by reaction propulsion nozzles
IPC: F02K7/00
Filed: 1965-02-08
Abstract: 1,096,211. Propellers. BOLKOW G.m.b.H Feb. 8, 1965 [Feb. 8, 1964], No. 5420/65 Heading B7V. [Also in Division F1] The invention relates to airscrews which are driven by reaction of gases discharging through propulsion nozzles from combustion chambers disposed within the blades, ignition of the combustible mixture formed in the chambers being effected by means of an ignition chamber mounted separately from the blades of the propeller, the ignition chamber being connected with the combustion chambers through conduits. Rotation of the airscrew causes air to be drawn into the respective combustion chamber. In the embodiment shown in Fig. 1, the airscrew comprises blades 2, only one of which is shown, mounted on a hub which is rotatably supported by means of bearings 18, 19 in a housing 3. Each blade 2 has a combustion chamber 8 disposed at the tip thereof to which fuel is supplied through ducts 10, 10a and air through passages 11, 11a. Air enters the combustion space through openings 12 in the wall of the combustion chamber. A flameholding device 16 is provided. The combustion gases discharge from the chamber through a propulsion nozzle 17 whereby the airscrew is driven. Ignition of the combustible mixture within the chamber 8 is effected by means of hot combustion gases from an ignition chamber 1 which forms part of the stationary structure 3, the combustion gases discharging from the chamber 1 through ducts 7, 7a to the combustion chambers 8. Fuel is supplied to the ignition chamber 1 through line 4 and air through line 5, ignition of the mixture formed therein being effected by means of sparking plug 6. Fuel is supplied to the duct 10 through line 9 and air to the passage 11 through ducts 13 or 14 either from a compressor or from atmosphere. The ignition chamber may be shut down once combustion has started in the chambers 8. The fuel supply duct 10 may be utilized to drive auxiliaries such as pumps, compressors and dynamos. Alternatively, external power may be supplied to the propeller through shaft 20 and duct 10. In a second embodiment Fig. 3 (not shown), the airscrew has blades 2 as in Fig. 1, but is normally driven by means of a piston type internal combustion engine, the exhaust gases of which together with atmospheric air is supplied through the hollow blades 2 and discharge through the nozzles 17. When extra thrust is required fuel is supplied through ducts 9, 10, 10a to the chambers 8 and the air-fuel mixture formed therein is ignited by the hot engine exhaust gases which pass through the ducts 23, 7, 7a to the chambers 8, the engine in this case constituting the ignition chamber. In a further embodiment, the ignition chamber is constituted by an oscillating column type combustion chamber forming part of the stationary hub structure. The oscillating column chambers are supplied with excess fuel so that the hot gases supplied to the combustion chambers 8 carry unburned fuel which is mixed with extra air supplied thereto and burned by the hot gases.
Patent GB-1163458-A (GB)
Title: Viewer for Animate Strips
Inventor: DEJOUX JEAN VERAN
IPC: G02B27/06
Filed: 1967-02-03
Abstract: 1,163,458. Projection apparatus, animated strips. N. REISINI. Feb. 3,1967, No. 5434/67. Headings G2E and G2J. A viewer for animated strips, using two strips containing alternate frames of an animated sequence, comprises a viewing screen, first and second windows for receiving ambient light, first and second apertures with which the frames of the strips are aligned, optical means for directing the light from the windows to the apertures and on to the screen, means for decreasing the contribution of one frame to the screen image from a maximum to zero, and simultaneously increasing the contribution of the other from zero to a maximum, and means for advancing each strip when its contribution to the image is zero. As shown the strips 24, 26 are fed to spools 32, 34 from a spool 30 contained in a cartridge 14. Alternatively concertina -folded strips may be used. The strips are fed past apertures 36, 38, lit by windows and prisms or mirrors 44, 46 in the cartridge, said apertures having crossed polarized screens in front thereof. A pair of prisms 56, 58 reflects the light from aperture 36 and directs the light from aperture 38 to a rotating polarized screen 52 and on to a viewing screen. The screen 52 is rotated by a gear 70 and a worm, which also turns a disc having pins thereon for operating a moltece cross mechanism connected to belt-drive for advancing the strips. A light source, Fig.9 (not shown) may be included in the casing for when the ambient light is insufficient. In a further embodiment, Fig. 8 (not shown), the polarizing screens are emitted and rotating variable density shutters are used for fading in and out the respective images.
Patent GB-1136355-A (GB)
Title: Building blocks, particularly for garden structures
IPC: A01G9/28
Filed: 1966-02-08
Abstract: 1,136,355. Garden walling blocks. E. MULLER. 8 Feb., 1966 [5 March, 1965], No. 5510/66. Heading E1B. A rectangular tray-shaped building block a for garden structures has the outer face u of the flange along one longitudinal edge inclined as shown. The block may be used as plant or food trough, as a path border, or as a facing for a concrete wall; alternatively the block may be used to build walls, steps, seats or tables.
Patent GB-506941-A (GB)
Title: Improvements in or relating to brakes
IPC: F16D65/22
Filed: 1938-02-22
Abstract: 506,941. Brakes. AUTOMOTIVE PRODUCTS CO., Ltd., and GATES, G. R. G. Feb. 22, 1938, No. 5635. [Class 103 (i)] Operating mechanism whereby a pair of vehicle wheel brakes of the kind in which a brake band or shoes is applied to a drum by a wedge or equivalent moved parallel to the wheel axis may be operated by alternative means for example, a hand lever or a pedal through mechanical and hydraulic connections respectively, comprises in one form a pair of levers 18 pivoted at 17 to a bracket 15 secured to a wheel axle and connected each by a rod 13 to one brake. The levers are horizontal and are disposed longitudinally of the vehicle and the rods are parallel to the axle. A hydraulic cylinder 22 secured to the bracket and connected to a pedal-operated master cylinder has piston rods 24 engaging the levers. A pair of links 32, 33 are also connected to the levers and the link 32 has a hand-lever connection 35. The brakes may thus be applied by the pedal or hand-lever with an equalized force and by reason of the means of engagement of the rods 24 with the levers and of the slot 34, without interference of one operating means with the other. Similar mechanism may be provided for both front and rear axles. In Fig. 4, the cylinder is slidably carried from the bracket 39 by a sleeve 40 and has a slotted lug 45 through which passes the pin 47 of a fork 46 on the end of one rod 13. The piston rod 43 is similarly connected to the other rod 13. The connections from the hand lever comprise a cable 53 connected to one lever 5 and passing around a pulley on the other, the levers engaging the pins 47. Specification 495,834 is referred to.
Patent GB-1313278-A (GB)
Title: Line terminator
IPC: H03K19/018
Filed: 1972-02-08
Abstract: 1313278 Non-contact making relays; transistor switching circuits INTERNATIONAL BUSINESS MACHINES CORP 8 Feb 1972 [26 Feb 1971] 5692/72 Headings H3B and H3T A pulse on a line 1, 2, Fig. 1, causes the primary winding 5 of a transformer to be short circuited so that the impedance of the secondary winding 6 drops and the output of an oscillator 25 is coupled to both inputs of an AND (or NAND) gate 23 to trigger it. The primary winding is short circuited by a transistor 3 when line 1, 2 carries a pulse. The oscillator 25 runs continuously but cannot trigger the AND gate when the secondary impedance is high. Consider the oscillator during that part of its cycle when point 50 is at a high potential; if a pulse is received on line 1, 2, this high potential is transmitted via diode 21 directly to the input 16 gate 23 and also via the secondary 6, now of low impedance, to input 15 of the gate. In the other half of the oscillator cycle the high potential at point 59 activates the gate similarly, via diode 22. In Fig. 3 a pair of transistors 3, 42, provide a balanced input to eliminate noise effects, and the oscillator and gate are shown in more detail, the latter here being a NAND gate. The inputs of the latter are biased by resistors 29, 30, and the diodes 21, 22 are reversed with respect to Fig. 1. Consider that part of the oscillator cycle when transistor 13 is non-conductive, and suppose no input occurs on line 1, 2; the input 16 of the NAND gate is at a high potential because it is connected via resistor 30 to a rail +27 and because both secondary 6 and transistor 13 are high impedance. The input 15 is however at a low potential because it is grounded via diode 21 and the conductive transistor 12. If the line 1, 2, is pulsed the secondary winding is of low impedance so that the potential at point 16 also falls thereby removing the bias on the base of the NAND gate transistor 47 and switching the output 24 to a high value. A similar situation occurs during the other half of the oscillator cycle so that the gate output is high when a signal occurs on line 1, 2, and low when the signal is absent.
Patent GB-1216544-A (GB)
Title: Improvements relating to the production of composite textile articles by heat-bonding
IPC: C08L77/00
Filed: 1968-02-05
Abstract: 1,216,544. Laminates. SOC. RHODIACETA. 5 Feb., 1968 [6 Feb., 1967], No. 5720/68. Heading B5N. [Also in Divisions B2 and C3] Composite textile articles, e.g. shirt collars, are heat bonded using an intermediate heatbonding element made by depositing a solution of a composition consisting of (a) a major proportion of a linear copolyamide, (b) at least 15 wt. per cent of an alkoxymethylated aminoplast precondensate and (c) an acidic catalyst in a solvent containing at least 60 vol. per cent of a C 1-4  alcohol on a textile support and removing the solvent. The support may be a woven, knitted or non-woven fabric and may be precoated with an elastomer latex. The composition may be applied by impregnation or spraying. Various polyamides, melamine- or ureaformaldehyde resins and organic and inorganic catalysts are mentioned. The solvent may be an aqueous alcohol optionally mixed with trichloroethylene. The polyamide may be plasticized, e.g. with N-ethyl toluene sulphonamide. In the example an aqueous ethanol solution of nylon 66/6/610, methoxymethylated melamine-formaldehyde and lactic acid is sprayed at 90 g./m.<SP>2</SP> on nylon 66 cloth, dried at 80 C. and heat bonded to outer layers of fabric under pressure at 170 C. for 3 to 4 seconds.
Patent GB-107952-A (GB)
Title: Improvements in and relating to Power Developing Devices.
Inventor: PETERSON JOHN
IPC: F16H1/00
Filed: 1917-04-26
Abstract: 107,952. Peterson, J. April 26, 1917. Self-driving machines.-Flour annuli or " hubless wheels " disposed between supporting wheels 6 gear by external teeth with one another and with a central wheel 4, and by internal teeth with pinions on shafts 10 which are carried by arms 11 pivoted on a ring 13. A large central annulus overlapping the others embraces the hanging shafts and gears by internal teeth with other pinions on these shafts. It is stated that the downward movement of the hand-lever 18 slightly ;otates the ring 13 which draws the pinions tightly against the internal teeth and the movement of the pinions will cause rotation of the "hubless" gears. The ring is connected by links 14 to T-levers 15 on pivots 21, and these are interconnected by a bell-crank lever 17 and links 16. The central wheel and annulus are in gear with a shaft 23, the former through an idle wheel.
Patent GB-1123428-A (GB)
Title: Hydrogenation of petroleum resins
Inventor: MORITZ KARSTEN HERBERT
IPC: C08F8/04
Filed: 1965-08-18
Abstract: A method of catalytically hydrogenating a petroleum resin, prepared by polymerizing an unsaturated petroleum refinery stream which contains mixtures of acyclic and cyclic olefines and diolefines, in a hydrocarbon solvent, in which the whole of the solvent is stripped with an inert gas and in which the resin is then hydrogenated and in which the resin, solvent and/or catalyst are heated to the hydrogenation temperature and the catalyst contacted with the resin only when the resin and/or catalyst is or are at the hydrogenation temperature.  The petroleum resin, solvent, stripping and hydrogenation are as described in Specification 1,123,427.
Patent GB-657757-A (GB)
Title: Improvements in or relating to antenna
IPC: H01Q21/26
Filed: 1948-02-27
Abstract: 657,757. Aerials. DEPARTMENT OF COMMERCE, DIRECTOR OF THE OFFICE OF TECHNICAL SERVICES OF. Feb. 27, 1948, No. 5958. Convention date, Aug. 30, 1945. [Class 40 (vii)] A radio antenna element comprises an assembly of half-wavelength curved dipoles 18, 19; 18<SP>1</SP>, 19<SP>1</SP>; 18<SP>11</SP>, 19<SP>11</SP>, energized through quarter-wavelength support arms attached to the inner and outer conductors 12, 13 of a circular coaxial transmission line. In a similar embodiment, Fig. 3 (not shown), employing a circular wave-guide, the support arms projecting within the line are provided with pick-up probes or loops and are secured within apertures, such as 20, in the guide wall by dielectric members. A similar construction with a coaxial line is employed to obtain capacitive coupling with the inner conductor. The horizontal directivity of an element is uniform and vertical directivity may be obtained by staking elements vertically on the transmission line.
Patent GB-351930-A (GB)
Title: Improvements in blasting fuses
IPC: F42B3/16
Filed: 1930-02-22
Abstract: 351,930. Blasting fuzes. ESCHBACH, W., Troisdorf, Bez, Cologne, Germany. Feb. 22, 1930, No. 5963. [Class 9 (i).] A priming composition c such as black-powder, potassium chloratewood charcoal, or lead thiocyanateperchlorate is placed in an internal enlargement of the tubular container a of a time fuze d, the communication between the fuze and the priming being through a small flash hole of much smaller diameter than the internal diameter of the tube a ; or the priming is in a small cap b provided with the small flash hole and inserted in the enlargement of the tube a. The enlargement may be conical.
Patent GB-821549-A (GB)
Title: Runways for airports
IPC: E01C9/08
Filed: 1956-02-27
Abstract: 821,549. Aircraft runways. PALLAVICINO, C. Feb. 27. 1956 [Feb. 26, 1955], No. 5973/56. Class 107 Aircraft runways are constructed of metal elements 4 having depending side flanges some being hooked (41, 44). They are arranged tile fashion or to break joint and are preferably pressed into the ground to form ground anchors.