baber/WOPTO huggingface dataset:
Patent GB-344255-A (GB)
Title: Improvements relating to dust separators
IPC: B01D46/00
Filed: 1930-04-01
Abstract: 344,255. Air filters. WILSON, F. W. and TILGHMAN'S PATENT SAND BLAST CO., Ltd., Atlantic Works, Broadheath, near Manchester. April 1, 1930, No. 10303. [Class 8 (ii).] Air is drawn through a filtering chamber c by an exhauster f the inlet and outlet of which are provided with valves j, d and are connected by a valved byepass g. By closing the valve j, d and opening the byepass and an atmospheric valve k in the exhauster inlet, a reverse current is passed through the chamber to clean the filter, which may also be beaten or shaken, while the dusty air inlet valve a is automatically closed, and the dust deposited in bags n.
Patent GB-1497437-A (GB)
Title: Coupling process in the preparation of disazo diimides
IPC: C09B41/00
Filed: 1975-03-12
Abstract: 1497437 Coupling process for dyes CHEMETRON CORP 12 March 1975 [18 March 1974] 10343/75 Heading C4P An improved coupling process is carried out in an aqueous medium containing sufficient watersoluble cyclic ether to bring the reagents into solution; a disazo tetracarboxylic acid having the formula wherein A is an aromatic hydrocarbylene or substituted hydrocarbylene radical, the groups X are the same or different halogen, lower alkyl or lower alkoxy groups, and n is 0, 1 or 2 is prepared by coupling as above one molecular proportion of a bis-acetoacetamide with two molecular proportions of a diazotized aminophthalic of formula Suitable cyclic ethers are tetrahydrofuran, tetrahydropyran or dioxan.
Patent GB-863641-A (GB)
Title: Reflex thermoprinting
IPC: B41M5/26
Filed: 1957-03-29
Abstract: 863,641. Photothermographic processes. MINNESOTA MINING & MANUFACTURING CO. March 29, 1957 [April 2, 1956], No. 10378/57. Drawings to Specification. Class 98(2) A graphic original is copied on to a heatsensitive copy sheet by placing the original beneath the copy sheet and irradiating it with radiant energy through the copy sheet (reflex printing), the radiation being reflected by the non-image areas of the original so as to pass back through the copy sheet and form a visible image therein. The opaque image areas of the original absorb the radiant energy and do not reflect or conduct it back to the copy sheet. The heat-sensitive layer may comprise ferric stearate and gallic acid in an ethyl cellulose binder, or gum guaiac and cerium stearate in an ethyl cellulose binder.
Patent GB-398278-A (GB)
Title: Method of and means for operating signalling or switch constructions by means sensitive to light
IPC: G08G1/04
Filed: 1932-04-11
Abstract: 398,278. Controlling apparatus by light. MAGYAR WOLFRAMLAMPAGYAR KREMENEZKY JANOS RESZVENYTARSASAG, 99, Vaci Ut, Budapest. April 11, 1932, No. 10381. Convention date, April 8, 1931. [Class 40 (v).] For actuating electric switches for trafficcontrol signals and for other purposes, two or more light-sensitive devices C1, C2, adapted to actuate relays for the signal circuit when the visible or invisible light beams from sources f1, f2 are screened by a passing vehicle g2, are so arranged that they are only effective to give the signal at the cross-road point J when a vehicle or other object passes them in the order C1, C2 and also is large enough to screen both C1 and C2 simultaneously as shown at g<1>2. The amplified current from the light-sensitive devices C1, C2 is applied to the terminals c1, C2, and if a vehicle first actuates the relay r2, as occurs when a vehicle is moving away from the cross-rods, a relay r3 is energized and locks a hook p over the armature of the relay r, to prevent the latter functioning when energized by the vehicle passing the device C1. On the other hand, a vehicle passing in the order C1, C2 and in addition screening both devices simultaneously closes the circuit of the signal lamp J, the circuit being maintained closed for a predetermined time by a time-relay r4. In a modification two relays only are employed, each controlling two circuits. Tramcars may carry screens adapted to co-operate with the lightsensitive devices for automatically shifting points.
Patent GB-1411783-A (GB)
Title: Piperidine derivatives
IPC: C07D211/72
Filed: 1972-02-24
Abstract: 1411783 Piperidine derivatives JOHN WYETH & BRO Ltd 22 Feb 1973 [24 Feb 1972] 10427/75 Divided out of 1411782 Heading C2C The invention comprises piperidine derivatives of the formula wherein R<SP>1</SP> is C 1-6  alkyl or C 3-6  cycloalkyl, R<SP>2</SP> is H OH, C 1-6  alkyl, C 1-6  alkoxy or C 3-6  cycloalkyl, R<SP>3</SP> is H or C 1-6  alkyl, W is an optionally substituted phenyl and A is C 1-4 , alkylene and acid addition and quaternary ammonium salts and their preparation. The 4-phenyliminopiperidines of Formula V are prepared by condensing the corresponding 4-piperidones with the appropriate anilines. The 4-anilinopiperidines of Formula IV in which R<SP>3</SP> is H are prepared by reducing the corresponding compounds of Formula V, and those in which R<SP>3</SP> is H or C 1-6  alkyl by treating the appropriate quaternary ammonium salts under mild conditions such as to remove the quaternizing group or by hydrolysing compound of the formula wherein R is C 1-6  alkyl, C 1-6  alkoxy, di(C 1-6  alkyl)amino, 1 - pyrrolidinyl, morpholino or piperidino.
Patent GB-143937-A (GB)
Title: Improvements in gun mountings
IPC: B64D7/02
Filed: 1916-07-24
Abstract: 143,937. Allen, R. July 24, 1916. Mountings for use on aircraft. -Relates to mountings of the type in which the gun and gunner are supported by an inner ring which can be rotated for training within a fixed outer ring, the gun being carried by a pillar which can be raised and lowered in a socket on the movable ring. The invention consists mainly in providing a ball race between the radially facing peripheries of the inner and outer rings. Fig. 1 shows the invention applied to a gun mounting as described in Specification 143,578, in which the gun is carried by a bracket k extending from a pillar telescoping in a socket m supported by a ring c which can be moved to train the gun within a fixed ring a by the gunner, who occupies a seat o. The ball-race d is mounted in grooves in the rings, and the rings are locked together, when desired, by a pair of spring-controlled jaws f pivotally carried by the ring c and operated by a Bowden wire i from a control handle j. A normallv horizontal vane r is mounted on a shaft q, movable within a bracket p extending from the movable ring c, and can be turned into the position shown, to counterbalance the resistance due to air pressure when training, by means of a Bowden wire s connected to the handle y which releases the clamp f. The gun can be raised and lowered by means of a handle t<3> and rod t<2>, and locked in the adjusted position by a clamp m<1>, m<2>, m<3> as described in the above-mentioned Specification. Fig. 3 shows a modification in which the gun is supported by arms t<5> pivoted by a clampable joint to a pillar telescoping in a socket m carried by a braced structure u forming part of the movable ring c. The balancing-vane r and the clamp f are simultaneously operated by the gunner through a shoulder-plate v carrying a plunger w which is forced backwards to rotate a sleeve w' connected to the vane by a link x, and to the clamp by a Bowden wire y.
Patent GB-105440-A (GB)
IPC: H01R33/97
Abstract: 105,440. Clay, J. R. May 17, 1916. Holders.-Means for locking a lamp in a bayonet-joint holder consists of a split spring ring C, Fig. 1, which is sprung over the lamp-cap after insertion and fits between the edge b<3> of the holder and a shoulder on the cap, so as to prevent the inward motion of the lamp necessary for removal. The ring may be plain, as shown in Fig. 1, or may have a projecting tongue c<2>, Fig. 4, fitting'into one or each of the bayonet-slots so as to prevent motion of the pins of the cap. A screwdriver, or a tool comprising a pin or prongs to enter recesses in the ring, may be used for removing the ring. The ring may be of hardened brass or phosphor bronze.
Patent GB-276399-A (GB)
Title: Improvements in or relating to picture telegraphy and the like
IPC: H04N1/06
Filed: 1926-04-21
Abstract: 276,399. Wright, G. M., Smith, S. B., and Davis, N. E. April 21, 1926. Copying - telegraphs. - The form carrying the message or picture to be transmitted is explored by a moving optical system mounted coaxially within it, the arrangement being such as to project a spot of light from a stationary source on to successive elemental areas of the form and to collect the reflected light, varying in accordance with the light and shade Values of these areas, upon a stationary light-sensitive cell. Transmitting-arrangements.-A beam of light 1, Fig. 1, directed axially along a tube 2 is reflected at right-angles by a prism 3 and focused on the message form 6 by a lens 4 mounted in a tube 10. The form 6 is mounted on a glass, or other transparent cylinder 1 coaxial with the tube 2. The light reflected from the form is collected by a mirror 11, passes through a lens 8, and is reflected axially along the tube 2 by a mirror 9 for projection upon the light-sensitive cell. In a modification, the lens 8 is placed at one side of the lens 4. The tube 2, carrying with it the optical devices. is rotated about its axis and is advanced axially during the rotation. Alternatively, the axial movement mav be imparted to the form 6. The transparent cylinder 7 mav be replaced by one of brass or other metal provided with a transverse slot for passage of the light, the form 6 sliding across the slot longitudinally of the cylinder. An oscillatory instead of a rotary movement may be imparted to the optical system. Receiving-arrangements. In the receiver the intensity of the beam 1 incident on the prism 3 is modulated by a Kerr cell or like device subjected to the received currents, the form 6 is replaced by a photo-sensitive surface, and the lens 8 and mirror 9 are dispensed with. Any suitable synchronizing arrangement is employed and means are provided for rotating the carcase of the motor at the receiving station manually to bring the reproduction into correct position upon the photo-sensitive surface. Distributor systems. For multiplex transmission each picture occupies a different arc of the cylinder 7, successive pictures are displaced longitudinally of the cylinder, each picture is explored by an independent optical system, and such systems are actuated by common driving means.
Patent GB-352028-A (GB)
Title: Improvements in centreless grinders
IPC: B24B5/307
Filed: 1930-04-03
Abstract: 352,028. Centreless grinding. HORSLEY, H., 3, Rugby Street, London Road, Derby. April 3, 1930, No. 10558. [Class 60.] A work-support for centreless grinding-machines comprises horizontal and vertical members located beneath and at one side of the work and another member hinged above the horizontal member to projections thereon and adapted to be adjustably fixed with reference to the first members to hold the work against both of them. The support d has depending lugs d<1> which enter between side plates b<1>, b<2> of a carrier attached by bolts i to a transversely adjustable part a of the machine. The plates b<1>, b<2> are spaced apart by distance pieces b<4> and are secured by bolts b<3>. The lugs d<1> rest on vertical screws d<2> adjustable within U-shaped brackets c attached by screws c<1> to the side-plates, lock-nuts d<3> being provided on the screws d<2> The support d carries horizontal and vertical hard steel wearing plates e, e<4>, the former being rigidly secured by countersunk screws e<4> and the latter adjustably secured by studs e<2> screwing in the plates and passing through bushes e<3> screwing in the member d. Brackets f on the member d carry pivots f<4> for side plates g to which are attached castings h forming the adjustable work-engaging member. Arcuate slots g<1> in the plates g receive locking bolts f<3> on the brackets f to lock the member h in adjusted position, and a hard steel wearing strip h<5> is attached to the member. The member h maintains the work b in contact with both strips c, e<1>, and prevents it from rising in the grinding throat. Preferably two supports d are provided at the entering side of the grinding wheel a<1> so that one may be swung back against the rear of the brackets f when short work is being ground, and one is provided at the exit side, but according to the Provisional Specification two may be provided at each side. The outer end of the carrier b<1>, b<2> may be supported from the floor and the brackets may be joined by rods which replace one or both of the pivots /4 and locking screws f<3>. For large work such as pipes, the steel wearing strips may be replaced by rotatable rollers. The narrow vertical arrangement of the supports enables the grinding and regulating wheels to be adjusted close together and allows the work to be located easily in a low position with regard to the wheels. The work is supported in the grinding throat by a horizontal rest of ordinary construction which is vertically adjustable, and the lateral member c<1> is preferably arranged at the side of the work nearest the grinding wheel.
Patent GB-1131034-A (GB)
Title: Improvements relating to magazine propelling pencil
IPC: B43K21/22
Filed: 1966-03-10
Abstract: 1,131,034. Propelling pencils. DAI NIHON BUNGU K.K. 10 March, 1966 [10 March, 1965; 12 May, 1965; 29 June, 1965], No. 10657/66. Heading B6P. A magazine propelling pencil comprises a barrel 1, a tip 19, a magazine 2 for leads inside the barrel, a clutch 4 at one end of the container, and a collet member 10 having a resilient tubular part 16 provided with a plurality of longitudinal slits to support and grip the lead advanced by the clutch when the magazine is moved forwardly relative to the barrel. A plunger is provided at the rear of the pencil and may take the form of a separate member (26, Fig. 5) which engages the rear of the magazine and extends through a bore in an end cap (24) screwed into the barrel 1. Alternatively, an end cap (3, Figs. 6 and 7) may have a threaded portion which is screwed into the barrel 1 to permit the cap to be removed but which is slidable inside the barrel when the threaded portion has been screwed through the internally threaded portion of the barrel 1.
Patent GB-1245727-A (GB)
Title: An improved cleaning mechanism for pivotable headlights of vehicles
IPC: B60S1/04
Filed: 1970-03-05
Abstract: 1,245,727. Cleaning vehicle headlamps. DR. ING h.c.F. PORSCHE K.G. March 5, 1970 [March 28, 1969], No. 10692/70. Heading A4F. The lens 12 of each headlamp of a vehicle is cleaned by engagement with a wiper element 16 when the headlamp is pivoted about a horizontal axis, e.g. by an electric motor. At the same time a pump is actuated to feed cleaning liquid through a tube 32 and passages 21 to 24 in the element 16 to be discharged on to the lens 12. In an alternative embodiment the cleaning liquid is fed to a sponge element disposed between two wiper lips.
Patent GB-928966-A (GB)
Title: Improvements in and relating to electric lamp projectors
IPC: F21V29/15
Filed: 1961-03-24
Abstract: 928,966. Projection lamps. M. C. HARLEY. March 23, 1962 [March 24, 1961], No. 10821/61. Class 75 (4). A projection lamp comprises a casing enclosing a reflector and an electric light source, the front of the casing having a light-transmitting window behind which is mounted a light transmitting screen spaced from the window and from the top of the casing to provide a path for circulation of air. In the form shown, a lamp of the type described in Specification 852,652 consists of a casing c having air vents e, f, g, in which is mounted a reflector a spaced from the easing to provide an air space d at the rear. The casing has a front glass k and a second glass m of length to extend over the upper half of the glass k is mounted between and spaced from the glass k and reflector a, a gap being provided between the upper edge of the glass m and the top of the easing. The light source h is mounted in a bracket j and projects through a hole in the reflector. The glass m may be ribbed or fluted on one or both faces.
Patent GB-789311-A (GB)
Title: Process for the production of rigid or semi-rigid liquid or paste filled containers
IPC: B65D75/34
Filed: 1953-04-21
Abstract: 789,311. Packaging. RADO, L. April 21, 1954 [April 21, 1953], No. 10935/53. Class 94(1). Liquid or paste-filled containers are produced by superimposing similarly-recessed sheets 1 and 2 of thermoplastic. material, or non- thermoplastic material laminated or coated with thermoplastic material, welding the edges 3 of the sheets to produce a series of hollow bodies interconnected by narrow tubular portions 4, filling the hollow bodies with the liquid or paste and then applying pressure and heat, e.g., by the process described in Specification 599,174 to form transverse welds in the portions 4. The containers thus formed may then be separated by cutting along the centre lines of the transverse welds. Containers of various shapes may be produced as shown in Fig. 3. Specification 713,627 also is referred to.
Patent GB-718640-A (GB)
Title: Cyclopentanophenanthrene compounds and a process for the manufacture thereof
IPC: C07J5/00
Filed: 1952-05-01
Abstract: The invention comprises 21-aliphatic carboxylic acid esters and 3,21-dialiphatic carboxylic acid esters of allopregnan-3b ,17a ,21-triol-11,20-dione, a process for the preparation of the 21-monoesters by hydrogenating the corresponding 21-esters of allopregnan-17a ,21-diol-3,11,20-trione in the presence of Raney nickel catalyst, and a process for the preparation of the 3,21-diesters by acylating the 21-monoesters with an aliphatic carboxylic acid anhydride.  The ester radicals may be derived from aliphatic carboxylic acids containing not more than 6 carbon atoms. The reduction is preferably carried out in an inert solvent, e.g. a mixture of dioxane and alcohol, by shaking with Raney nickel in an atmosphere of hydrogen.  The esterification step is preferably carried out with an esterification catalyst, e.g. pyridine.  In the example, allopregnan - 3b ,17a ,21 - triol - 11,20 - dione 21 - acetate and allopregnan - 3b ,17a ,21 - triol - 11,20 - dione 3,21 - diacetate are prepared.  Specification 712,058 is referred to.
Patent GB-584682-A (GB)
Title: Improvements in taps for cutting screw threads
IPC: B23G5/06
Filed: 1944-06-09
Abstract: 584,682. Taps. WILD, J. E., and ORGAN, F. C. June 9, 1944, No. 11122. [Class 83 (iii)] A screw-cutting tap has a preliminary cutting portion 1 with teeth of full thread section but smaller diameter than the finished thread and a following portion 2 having teeth of full section and diameter. A groove is formed between the portions 1, 2 so that each has a tapered entering end 3, 4, and each portion 1, 2 has a length at least equal to the length of thread to be cut.
Patent GB-187252-A (GB)
Title: Improvements in apparatus for the fuel supply for internal combustion engines
IPC: F02M67/02
Filed: 1921-04-18
Abstract: 187,252. Marks, E. C. R., (Akt.-Ges. fiir Tiefbohrtechnik und Maschinenbau vorm. Trauzl & Co.). April 18, 1921. Cylinders receiving liquid fuel.-In engines in which the fuel is injected by gas under pressure, and in which the fuel pump is timed to deliver the fuel to the spraying nozzle during the mechanical opening of the injection valve, means are provided for advancing the timing of the pump delivery stroke to preserve its synchronism with the period of opening of the injection valve when the latter is advanced at high speeds. The cam 9 acts on the pump plunger through the intermediary of a roller 16 mounted on a rod 14, which can be adjusted by the lever 15.
Patent GB-651994-A (GB)
Title: Improvements relating to arrangements for cooling electric discharge tubes
IPC: H01J7/24
Filed: 1948-04-23
Abstract: 651,994. Cooling discharge apparatus. LUDLOW, J. H., and METROPOLITAN-VICKERS ELECTRICAL CO., Ltd. April 23, 1948, No. 11250. [Class 39 (i)] H.F. heating apparatus is enclosed in a screening box with the thermionic valve 1 located in compartment 3 whose walls 5, 16, 17 and 18 are air-cooled and on the inside coated matt black to give maximum heat absorption. The air is forced initially through a lower compartment, Fig. 1 (not shown), and the arrows indicate the air flow (see also Fig. 1) cooling the front and back surfaces of the walls 5, 16, 17, 18. Gauze windows are used and the end wall of the outer casing facing the window 13 may be protected by a radiation trap, for example in the form of a metal plate over the end wall and supported by heat-insulating material.
Patent GB-936355-A (GB)
Title: Improvements in catalytic pressure refining processes
Inventor: LORENZ ERNST
IPC: C10G45/22
Filed: 1961-03-28
Abstract: In a process for the catalytic pressure refining of light oils obtained by gasification, coking, low-temperature carbonization or cracking of liquid or solid fuels with hydrogen or hydrogen-containing gases, the raw materials which contain compounds capable of polymerization and/or condensation are heated up and introduced into a hot stream of hydrogen or hydrogen-containing gases in the form of such a fine mist that an immediate vaporization of the raw materials occurs, the heating-up and vaporization being carried out so rapidly that the speed of the heating-up and vaporization process exceeds the polymerization and/or condensation speed in the liquid phase, and the resultant mixture is heated up to reaction temperature and subjected to catalytic hydrogenative refining, for example over a cobalt-molybdenum-alumina catalyst.  The raw material may be sprayed into a preheated gas stream by means of an injection nozzle or atomizer, which is desirably cooled, and may be provided with a filter.  A prerefining catalyst may be interposed before or in the heating-up zone.