baber/WOPTO huggingface dataset:
Patent GB-995887-A (GB)
Title: Improvements in and relating to apparatus for the treatment of particulate material
Inventor: BOOKEY JOHN BERNARD
IPC: F26B17/12
Filed: 1962-07-27
Abstract: 995,887. Heating, drying or cooling particulate material. IMPERIAL CHEMICAL INDUSTRIES Ltd., and SCOTTISH AGRICULTURAL INDUSTRIES Ltd. July 29, 1963 [July 27, 1962], No. 28938/62. Headings F4G and F4U. Particulate material is heated, dried or cooled by passing it as a continuous burden through a chamber having louvred walls whilst causing a gaseous medium at a desired rate of flow and temperature to pass in through one set of louvres, transversely through the moving burden and out through another set of louvres. The apparatus shown is for cooling granular fertilizer which flows by gravity from a feed hopper 6 through two vertical, outwardly tapering chambers 1, 1a, the flow rate being controlled by rotary outlet valves 7. The chambers have common end walls 2 of imperforate plate whilst the respective opposed side walls 3, 4 and 3a, 4a of the chambers comprise horizontally disposed louvre plates 5 which are upwardly and outwardly directed at an angle of 60 degrees to the horizontal. The upper and lower ends of the space between the chambers are closed by plates 10, 11. An aperture 12 is provided in one end plate 2 and is connected by a duct to the inlet of a fan. In operation air is drawn in through the sets of louvres 3, 3a and, as indicated at 13, passes through the material in a curved path and flows out through the louvres 4, 4a. The fan discharges the air to atmosphere or to a dust collecting means.
Patent GB-897214-A (GB)
Title: Improvements in or relating to a method and apparatus for copying representations
Inventor: LUBSZYNSKI HANS GERHARD
IPC: G03B27/72
Filed: 1957-09-14
Abstract: 897,214. Copying by scanning; photoelectric control of photographic printing apparatus. ELECTRIC & MUSICAL INDUSTRIES Ltd. Sept. 5, 1958 [Sept. 14, 1957], No. 29001/57. Class 40(3). A transparency 20 is scanned by a flying spot produced by a first gun 2 in a cathoderay tube I to produce signals in a photoelectric cell 22 which are applied via an A.C. amplifier 23 to modulate the intensity of the flying spot whereby a corresponding charge pattern is built up on an electrode 16 in front of the fluorescent screen 14, a flooding gun 12, 13 being released subsequently to produce a simultaneous pattern of light in accordance with the charge pattern for printing the transparency on a surface 21. The modulation imparted by the signals from the photo-electric cell 22 is arranged so that the intensity is increased when the spot passes through a dense region of the transparency and vice versa. Amplifier 23 may introduce a desired gamma. During printing the output from photo-electric cell 22 may be switched at 24 to an integrating and switching circuit 25 which serves to apply a blanking potential to an electrode 15 after a desired exposure has been made.
Patent GB-305153-A (GB)
Title: Improvements in stopping motions for mules, carding machines, twisting and like frames
IPC: D01H3/00
Filed: 1927-11-01
Abstract: 305,153. Grange, W. H. Nov. 1, 1927. Carding-engines. - An arrangement of stopping and starting gear for a. series of carding - machines comprises the starting handles H of the machines, which are connected by the usual links L, L<1>, L<2> to the sliding belt fork B mounted on a rod B<1> controlled by a spring S. Each starting handle is locked by a weighted pivoted trigger D connected by a chain D<2> to a slidable rod R provided with a series of pull chains C in suitable accessible positions. The rod R after operation is returned to its normal position by a spring R'. Operation of the rod. R releases all the triggers D and allows the spring S to move the belt fork. Any machine can then be restarted as desired. The rod R can be extended by rods R<x> at an angle if desired. A brake carried by the sliding rod B' can be applied to the fast pulley when the belt is moved on to the loose pulley. The brake is carried by a weighted spring arm and is lifted by a fixed incline on the return movement of the belt.
Patent GB-603872-A (GB)
Title: Improvements in and relating to polyformals
IPC: C07C41/60
Filed: 1945-11-02
Abstract: Polyformals of the formula: RO(CH2O)nR in which R is a cycloalkyl, or an alkyl group and n is an integer greater than 1 are obtained by reacting formaldehyde or its polymers with a dicycloalkyl or a dialkyl formal in the presence of an acid reacting catalyst and then adding a basic substance in an amount at least sufficient to neutralize the catalyst preferably when an equilibrium composition is reached.  The reaction is advantageously carried out at 80-100 DEG C.  Specified dialkyl and dicycloalkyl formals are methylal, diethyl formal, dicyclohexyl formal, di-isopropyl formal, di-n-propyl formal and dibutyl formal, whilst the formaldehyde reactant may be monomeric or polymeric formaldehyde, e.g. paraformaldehyde, paraformaldehyde hydrate or trioxane.  Common inorganic acids, such as sulphuric acid, are specified as acid reacting catalysts.  In examples: (1) diisobutyl formal is heated with paraformaldehyde in the presence of sulphuric acid and made basic with sodium methoxide to produce p diisobutoxymethyl ether and tri-(oxymethylene) diisobutyl ether; (2) ethylal is treated as in (1) under pressure to produce diand tri-(oxymethylene) diethyl ethers; (3) methylal-methanol azeotrope and paraformaldehyde are refluxed together in the presence of sulphuric acid and neutralized with caustic soda to produce dimethoxymethyl ether and tri- and tetra-(oxymethylene) dimethyl etheric (4) methylal is treated as in (2); (5) methylal and formaldehyde are refluxed in the presence of sulphuric acid and the product made alkaline to produce dimethoxymethyl ether.
Patent GB-1045466-A (GB)
Title: Speed frame
Inventor: PFEIFER WILLI
IPC: D01H1/242
Filed: 1964-07-13
Abstract: 1,045,466. Speed frames. ZINSER TEXTILMASCHINEN G.m.b.H. July 13, 1964, No. 29245/64. Additon to 927,749. Heading DID The apparatus of claim 1 of the parent Specification is modified in that the bobbin sleeve 31 by which the bobbin carrier is rotated is replaced by a sleeve 38 at the base of the machine frame. The bobbin 30 is secured directly on the shaft 5. For its rotation, this shaft is connected by keys 59 in key-grooves 39 on the inside of the sleeve 38, which is rotated by meshing gears 35, 41. For its vertical movement, the shaft 5 is rotatably mounted in a non-rotating sleeve 60 with which it moves vertically, the sleeve being moved axially by teeth 61 which engage a pinion 63 and being guided by a groove 68 and a key 73 on the machine frame.
Patent GB-1195714-A (GB)
Title: Device and Process for Extracting Stoppers or Closures Sealing Containers
IPC: B67B7/06
Filed: 1967-06-26
Abstract: 1,195,714. Extraction of bottle stoppers. DMS DISTRIBUTION DE MARQUES SELECTIONNEES. 26 June, 1967 [6 July, 1966; 22 May, 1967], No. 29284/67. Heading B8T. Apparatus for extracting stoppers from containers comprises a reception component displaceable by the container mouth, articulated members to penetrate and retain the stopper, means for returning the reception component and so extracting the stopper, ejector means, and a control or warning device actuated by incorrect presentation of the container. Stoppers 29 are removed from bottles 28 or like containers by an articulated piercer 11. In operation, each bottle 28 is caused to enter the part 4 which is thereby raised within the fixed cylinder 2, through contact with the' shoulder of the bottle, against the action of a spring 5, carrying with it a collar 6 and so compressing a further spring 14. The lower portion of the piercer 11 is thus exposed, allow ing it to penetrate the stopper 29 before rollers 12, mounted on the collar 6, contact the upper arms 11a of the piercer thereby causing the lower arms to separate under the stopper, Fig. 4 (not shown). A tube 7, secured to the collar 6 and sliding in a sleeve 16, is held at the top of it travel by a spring-loaded roller 23 which enters a slot 7a in the tube 7. Next, the bottle 28 is lowered, the spring 5 moves the part 4 downwards toward its original position, and the stopper 29, held by the lower portion of the piercer 11, is removed from the bottle 28. The roller 23 is now actuated to release the tube 7 which moves downwards, urged by the spring 14, causing the rollers 12 to free the upper arms 11a of the piercer 11. The lower arms of the piercer are now closed by the action of a part 10 before the arrival of the collar 6 which ejects the stopper 29 from the piercer 11. If in any case penetration of the stopper 29 does not take place, the piercer 11 is raised by the bottle 28 carrying with it a rod 17 the upper end of which contacts a member 33 thereby actuating a warning device or stopping the apparatus. Incorrect presentation of a bottle, causing the travel of the part 4 to be increased, is detected by a part 15, mounted on the part 4, actuating a further warning device. In a modification, Figs. 9, 10 (not shown), the piercer arms are controlled by a projection moving in slots cut in the arms.
Patent GB-702201-A (GB)
Title: Improvements in or relating to the production of cyclic aldehydes and derivatives thereof
IPC: C07C45/49
Filed: 1949-11-16
Abstract: Cyclic dialdehydes or derivatives thereof are manufactured by reacting, at 120-200 DEG C. and 50-300 atmospheres pressure in the presence of a cobalt catalyst for the OXO synthesis reaction, carbon monoxide and hydrogen with a carbocyclic compound containing the group > C = C < in a six-membered ring to which an aldehyde or acetal group is attached (preferably a monocyclic compound in which the aldehyde or acetal group is the sole functional substituent, especially a Diels-Alder condensation product of acrolein or methacrolein with a conjugated diene of 4 or 5 carbon atoms per molecule or an acetal of such a condensation product).  Preferably the sole catalytic material is cobalt carbonyl or hydrocarbonyl, whilst suitable solvents in which the reaction may be effected are lower aromatic hydrocarbons, naphthenes or paraffins.  Advantageously the reaction is stopped after 25-60 (preferably 25-40) per cent. conversion of the cyclic aldehyde.  The dialdehydes may be recovered by fractional distillation, preferably under reduced pressure (unchanged starting material coming over first and being recycled), or by extraction with selective solvents.  In some cases the whole may be hydrogenated to yield a mixture of cyclic alcohol and cyclic diol, which are readily separated by vacuum distillation.  In examples: (1) a solution of D  3-tetrahydrobenzaldehyde in cyclohexane is reacted with water gas at 158 DEG C. and 2,500 lbs./sq. in. pressure in the presence of cobalt carbonyl; (2) the reaction temperature in (1) is raised to 175 DEG C.; (3) the reaction product of (2), after 30 per cent. conversion, is distilled at atmospheric pressure to remove solvent and then at 20 mm. pressure to separate starting material and dialdehyde; (3) and (4) the cobalt carbonyl in (1) is replaced by cobalt hydrocarbonyl and the apparatus and reaction conditions varied; (5) a solution of D 3-tetrahydrobenzaldehyde in cyclohexane is reacted with water gas in a batch autoclave in the presence of dicobalt octacarbonyl; comparative reactions of acrolein and its acetal are described; (6) a solution of D  3-tetrahydrobenzaldehyde diethyl acetal in cyclohexane is reacted with water gas at 160 DEG C. and 2,900 lbs./sq. in. pressure in the presence of dicobalt octacarbonyl, yielding as the main product cyclohexane dialdehyde monoacetalized with ethyl alcohol, and as a bye-product hexahydrobenzaldehyde diethyl acetal. Specifications 614,010 and 702,192 are referred to.
Patent GB-693455-A (GB)
Title: Improvements in or relating to metal coated ceramic elements
Inventor: HERBERT JOHN MARTIN
IPC: H01B1/00
Filed: 1950-11-30
Abstract: A ceramic element coated with metal is manufactured by forming a self-supporting film of an organic colloid material containing a ceramic composition, or the precursers thereof, applying to the surface to be coated a layer of an organic binding material containing finely divided metal, and then firing the assembly at a temperature which will burn away the organic materials and sinter the ceramic composition and the metal.  The ceramic may be formed from barium titanate dispersed in a cellulose derivative, such as cellulose acetobutyrate.  The metal may be platinum, palladium, or alloys of either or both with gold and/or silver.  Nickel or molybdenum can be used if the firing takes place in an oxygen-free atmosphere.  In an example, a film formed of barium titanate mixed with diamyl tartrate and cellulose acetobutyrate is coated with palladium particles in amyl lactate.  It is then fired to 1400 DEG C in two hours, maintained at that temperature for 10 minutes and allowed to cool in the furnace.
Patent GB-603910-A (GB)
Title: Improved means for the control of tension in strip or web material being drawn off from a roll
IPC: B65H23/06
Filed: 1945-11-05
Abstract: 603,910. Feeding webs. HENLEY'S TELEGRAPH WORKS CO., Ltd., W. T., and FRY, F. H. Nov. 5, 1945, No. 29364. [Class 100(i)] Apparatus for controlling the tension of a web or strip 5 during unwinding from a roll 1, e.g. paper strip lapping on to electric conductors to build up cable insulation, by the automatic and continuous adjustment of the braking-force applied by a brake-band 7 to a roll-carrier 6 rotatable about the roll-axis 2 under the pull exerted on the strip 5, the band 7 being anchored to a point 8, the band 7 is connected to a lever 19, 20 pivoted at 11 and acted on by a compression spring 18 pivoted to the lever and to a feeler arm 10 bearing against the roll 1, so that as the arm 10 turns with reduction of diameter of the roll, the force applied to the band is progressively reduced by expansion of the spring and simultaneous alteration of the direction of the force of the spring with reference to a line through the pivot 11 and the point of attachment of the spring 18 to the lever 19, 20: the other end of the spring is pivoted to an arm 21 extending from the arm 10, by a screw 22 adjustment of which varies the compression of the spring. Where the roll 1 ratates bodily about an axis, balance weights may be applied to the arm 10 to counteract centrifugal forces, and where it is found that the resistance to unwinding of the strip 5 from the roll 1 increases with the increase in the speed of the machine, a weighted lever may be provided to counterbalance some of the spring effect or to act directly on the brake to produce under centrifugal force a decrease in the braking effect. The arm 10 carries a feelerroller 12 which may be replaced by a shoe.
Patent GB-368355-A (GB)
Title: Improvements in lighting appliances
IPC: F21V21/12
Filed: 1930-10-01
Abstract: 368,355. Clocks. DOANE, L. C., 99, Center Street, Meriden, Connecticut, U.S.A. Oct. 1, 1930, No. 29423. [Class 139.] In an electric lamp assembled from a plurality of screw-threaded interchangeable lamp bases, columns, standards tubular mem. bers and socket carriers of varying styles and character, each of said parts being provided with electrical connections which are completed from one part to another when the parts are threaded together, one of the intermediate parts may embody a currentconsuming device, such as an electric clock E, which is securable at any desired orientation without loosening the threaded connection between the parts. The device shown is provided with upper and lower rings 118 threaded on cup-shaped stampings 112 which are secured on the upper and lower terminal housings 111 by nuts 113 and washers 114. A tongue 115 on each stamping 112 enters an annular groove in the adjacent housing 111 and engages a pin 117. When adjusted the lower ring 118 is secured to the stamping 112 by a screw 119.
Patent GB-816166-A (GB)
Title: Improvements in and relating to apparatus for conveying articles
Inventor: HARTMANN LOUIS MARTIN
IPC: B65G47/52
Filed: 1957-09-18
Abstract: 816,166. Endless-chain conveyers. BRODRENE HARTMANN A.S. Sept. 18, 1957, No. 29444/57. Class 78 (1). Articles 20, e.g. egg-trays, are transferred from the pivoted platform carriers 12 of the conveyer 10 to a conveyer 34 arranged at right angles thereto by swinging the carriers to discharge the articles on to a sloping support 28 which is then rocked into position to discharge them on to the conveyer 34. The platforms are maintained horizontal normally by counterweights 16. At the transfer point these weights run against the end of a rail 18 and are rotated, thereby tilting the platforms to discharge the articles on to rails 22. As the conveyer continues its travel, the weights run on to the rails 18 and as they pass over projections 24 cause agitation of the platforms and the inclining of the articles at a small angle thereto. A larger projection 68 causes the platforms to assume temporarily a nearly vertical position and to discharge the articles on to the inclined end 26 of the rails 22 down which they slide on to the support 28. Each support has a flange 32 which stops the article. The shaft 30, on which the supports are fast, is rocked by mechanism actuated by a gear 38 in mesh with one of the chains of the conveyer 10. The gear 38 is geared to a shaft 46 on which complementary cams 48, 50 are fast. The cams are engaged by rollers 58, 60 mounted on a three-armed lever pivoted at 52. The lever carries a toothed segment 64 which meshes with a similar segment fast on the shaft 30. In a modification the rails 22 are replaced by an endless belt which runs slightly faster than the conveyer 10, and the projections 24, 68 are dispensed with.
Patent GB-1268832-A (GB)
Title: Method and apparatus for checking the quantity of air in an autoclave
IPC: A61L2/24
Filed: 1969-06-11
Abstract: 1,268,832. Detecting air in autoclaves. ELECTROLUX A.B. 11 June, 1969 [11 June, 1968], No. 29535/69. Heading A5G. [Also in Division B1] An excess of air in a steam operated autoclave 10 is detected by the passage of some of the steam-air mixture along a conduit 11 with. a throttle 12 and a magnet operated valve 13 into a vessel 16 and thence to a body of water in a tank 18 via a conduit 17 and periodically closing the valve and permitting water to flow from the tank into the vessel to replace condensed steam. Depending upon the volume of air enclosed by a narrow portion 15 of the vessel 16, a circuit through a pin 20 and the water in the vessel may not be established whereupon the presence of an excess of air is registered and recorded, or the sterilization is interrupted or a vacuum pump is actuated to evacuate the autoclave 10.
Patent GB-310898-A (GB)
Title: Improvements in signal devices for use on motor and like vehicles
IPC: B60Q1/36
Filed: 1928-02-03
Abstract: 310,898. Hanrott, H. C. Feb. 3, 1928. Road-traffic signals on vehicles.-A hollow collapsable member a. Fig. 5, for use as a roadtraffic signal on vehicles is distended into the signalling position by fluid-pressure supplied by a bulb or other means, and when in the signalling position an arm l carried inside the member a completes an electric circuit and lights a. lamp k. The arm l, Fig. 8, has an insulating bushing &c. and works between insulating washers p on a pin o carried in arms m one. of which is engaged by a stud q on the lever l when the signal is raised. Fig. 3 shows two signals a mounted on a member i for attachment to the rear mudguard. The device may also be attached to the windscreen or to the driving-mirror.
Patent GB-737979-A (GB)
Title: Transistor electrode contacts
IPC: H01L29/00
Filed: 1953-10-27
Abstract: 737,979. Transistors. RADIO CORPORATION OF AMERICA. Oct. 27, 1953 [Nov. 15, 1952], No. 29660/53. Class 37. A semiconductor device such as a transistor, and an associated socket assembly for receiving and establishing connections to the transistor electrodes, is arranged such that the sequence in which the electrode connections are established is predetermined. The arrangement avoids possible damage due to the short circuiting of, say the emitter and collector electrodes, due to delay in establishing the base connection. Fig. 1 shows a transistor comprising base electrode 11, emitter 13 and collector 14, and a semiconductor body 10 of boron, silicon, germanium, selenium or tellurium. Pins 12, 15 and 16 are connected to the electrodes, and are adapted for insertion in socket 26. The pin 12 associated with the base electrode is longer than pins 15 or 16 and thus must make contact first when the transistor is inserted. Fig. 5 shows a modified arrangement in which the socket is made stepshaped, while the pins are of equal length, to achieve the same purpose.
Patent GB-390755-A (GB)
Title: Safety hook
IPC: F16B45/02
Filed: 1932-10-24
Abstract: 390,755. Hooks. LEH, K., 8, Gasstrasse, Schiffweiler, Sarre, Germany. Oct. 24, 1932, No. 29731. [Class 89 (ii).] The hook A is moused by a member B of U-shape formed of twisted wire cable, the ends of which are secured in lugs D. A member C holds the two arms of the U in spaced relationship. In the closed position the mousing member engages the part I of the hook.
Patent GB-520431-A (GB)
Title: Improvements in magnetic compasses
IPC: G01C17/00
Filed: 1938-10-14
Abstract: 520,431. Magnetic compasses. KOLLSMAN, P. Oct. 14, 1938, Nos. 29788 and 29789. Convention dates, Oct. 14, 1937, and July 7, 1938. [Class 97 (ii)] In a magnetic compass in which a universally pivoted directional magnet system 16, Fig. 2, magnetically influences a follower magnet system 27, one magnet system, e.g., the follower magnet system 27<SP>1</SP>, 27", Fig. 6, is smaller in length and has a wider effective pole face than the other magnet system so that deflection of the directional system from the N-S position due to relative tilting in an inter-cardinal plane is compensated by a shift of the phase relation between the directional magnet and the follower. As shown in Fig. 6, the directional magnet system is formed as an elongated hexagon 16<SP>1</SP> and the follower comprises a pair of small, parallel, spaced magnets 27<SP>1</SP>, 27" fixed to a spindle 28 pivoted at 29, 30. The magnet 16 may be carried in a float 17, Fig. 2, having a pivot pin 18 resting on a jewel bearing 19 at the top of a resiliently supported stem 20. The spindle 28 carrying the follower magnets 27 is geared to a spindle 32 carrying a pointer 31 which moves over a vertical dial 35. An adjustable grid ring 41 is provided as described in Specification ' 519,346.
Patent GB-426014-A (GB)
Title: Improvements in or relating to wireless relay systems
IPC: H04H20/83
Filed: 1933-10-27
Abstract: 426,014. Distributing music. DEMPSTER, B., and MAGNAVOX (GREAT BRITAIN), Ltd., Tariff Road, Tottenham, London. Oct. 27, 1933, No. 29855. [Class 40 (iv)] [See also Group XXXVII] In a system for distributing music a substation loudspeaker LS is coupled to the line by means of a tapped transformer or auto-transformer whereby the effective impedance of the loud-speaker may be varied for the purpose of volume control between the optimum value for power transfer and a considerably higher value. In the two-programme system shown, the contacts wiped by the arm S1 of a switch for selecting the desired tapping point are in two groups having identical connections to the auto-transformer and the arm S1 in accordance with the group with which it is in contact actuates one of two switches S2 for selecting the wanted programme. Fig. 6 shows a construction of rotary selector switch. The active contacts 23 are separated by dead contacts for performing the two functions of volume control and programme selection to avoid short-circuiting the transformer. The wiper shaft 20 carries a wiper-arm 22 provided with a spring-pressed ball 25 co-operating with a notched ring 18 for position-defining. On the shaft also is fixed a cam 30 for controlling contact spring sets for the programme selection.
Patent GB-267179-A (GB)
Title: Improvements in variable pitch airscrews
IPC: B64C11/06
Filed: 1925-11-26
Abstract: 267,179. Leitner, H. Nov. 26, 1925. Screw propellers.-A screw is provided with blades a which are adjustable for pitch about the shank c and are freely hinged at b. Reference has been directed by the Comptroller to Specifications 126,393 and 131,419.