baber/WOPTO huggingface dataset:
Patent GB-616409-A (GB)
Title: Improvements in padlocks
IPC: E05B67/10
Filed: 1946-09-05
Abstract: 616,409. Seal padlocks. ROBINSON, G. C., JONES, T., and ROBINSON, G. J. Sept. 5, 1946, No. 26651. [Class 44] In a padlock of the kind having a coverplate 11 hinged to the body for enclosing a paper seal covering the keyhole, both ends of the hinge pin 16 are enclosed by portions of the cover. The body has a tubular portion 17 and the cover has two spaced tubular portions 15 circumferentially split at 18. The parts are hinged together by a hinge-pin 16 inserted in the tubular portions and is located by the end parts 19 which are bent across its ends. The side walls 12, 13 are then bent up at right angles to form a box fitting the padlock body. The cover is retained in the closed position by the hasp 22 passing through a hole in the top wall 13.
Patent GB-641108-A (GB)
Title: Improvements in and relating to machines for treating leather and like materials by marking, embossing cutting out and like operations
IPC: C14B1/56
Filed: 1947-10-03
Abstract: 641,108. Cutting-out presses. FREEMAN CO., L. G. Oct. 3, 1947, No. 26716. Convention date, Oct. 23, 1946. [Class 31 (i)] [Also in Group XVI] A machine for embossing or cutting-out articles such as parts of boots and shoes as described in Specifications 527,069 and 641,098 in which a die carrier 3 is moved into operative position by mechanism controlled by an electromagnetic clutch, and the work is raised by a plunger 2 under control of a clutch having latches 8, 9 for stopping the drive-shaft 5 at the end of one revolution, or at the end of half a revolution when it is required to perform a hot embossing or like operation, is constructed with brake mechanism which can be set to act at the end of one revolution, or at the end of half revolutions. The brake 26 is a handbrake having an operating arm 27 which is actuated to apply the brake, each time the plunger 2 returns to its position of rest, by an adjustable stop 29 on an abutment 28 carried by the plunger. By adjusting an arm 34, relatively to the arm 27 a rod 32 connected to the arm 34 can be set so as to be depressed or not by a lever 36 which is operated by the abutment 28 on its ascent. If operated the shaft 5 is declutched at the end of half a revolution by the latch 9 due to the depression of a trip link 25 by means of a slotted lever 38, which is moved clockwise by a lever arm 41, link 40 and an arm on the shaft 37 of lever 38, by the setting action of the arm 34. If the lever 36 does not engage the arm 32 the machine is stopped only at the end of'a full revolution.
Patent GB-461150-A (GB)
Title: A core or former for forming holes in concrete and like floors cast in situ
IPC: E04G15/06
Filed: 1935-09-27
Abstract: 461,150. Cores for moulding concrete in situ. ROUTLEDGE, H. A. Sept. 27, 1935, No. 26740. [Class 20 (ii)] A rigid core or former 1 for forming holes in concrete and like floors, has a smooth conical surface and is fitted, at its smaller end, with a wood screw 9 for attachment to the shuttering 13, and with a threaded rod at its larger end for the attachment of a tommy bar 11. The threaded rod may, as shown, pass axially through the core and carry the wood screw, its end near the wood screw being screw-threaded for the attachment of the tommy-bar during transport. Pins 4, 5, diametrically opposed, project from the larger end of the core and act as abutments for the handle 10 of the tommybar, as shown in Fig. 3, should the core be otherwise difficult to remove from the floor 14. The base of the core may rest upon an inverted metal box 15 which is apertured for the passage of the screw 9. This box, which is adapted to be embedded permanently in the concrete, is provided with apertures for the passage of pipes or electric conductors, and has inturned lugs having tapped holes for the connection of ceiling plates.
Patent GB-914155-A (GB)
Title: Improvements in or relating to conveyors
IPC: B65G35/06
Filed: 1960-08-03
Abstract: 914,155. Conveyers. SCHWEIZERISCHE INDUSTRIE - GES. Aug. 3, 1960 [Aug. 4, 1959], No. 26827/60. Class 78 (1). Articles are fed to a wrapping- machine along a surface 3 by means of dogs 2<SP>1</SP> on carriages 2 which are provided with rollers 4 running on a track 5 and which are driven along a section of the track by an endless belt 7 of hexagonal cross-section. The belt is urged into engagement with grooves in the carriages along the upper run of the track 5 by rollers 18 under the action of springs 19 and is lifted out of engagement with the carriages by rollers 11, 12, 9, the track 5 in this region being replaced by two V-belts 15 which advance the carriages towards driving wheels 13 provided with teeth 13<SP>1</SP> which engage the carriages and return them to the upper run of the track 5. To vary the spacing between the carriages along the upper run the speed of rotation of driving wheels 13 is varied, keeping the speed of belt 7 constant or vice versa.
Patent GB-247275-A (GB)
Title: Improvements in or relating to condensers
IPC: F28F13/06
Filed: 1924-11-10
Abstract: 247,275. Salerni, E. M. Nov. 10, 1924. Condensers, atmospheric and like.-In condensers of the type in which the medium undergoing treatment is caused to flow in a tortuous path around removable baffles in a casing, the casing e<1> is made of elongated section the baffles e<2> extending from top to bottom of the casing. A number of the casings e<1> may be mounted in an outer casing e containing cooling medium. The baffles are preferably of L-section and connected together by rods e<3> so that they may be removed simultaneously. Specifications 224,568, [Class 55 (i), Coking &c.], and 247,274, [Class H (ii), Air and gases, Treating &c.], are referred to.
Patent GB-403780-A (GB)
Title: Improvements in or relating to devices for cleaning the rakes of sewage screening and raking plants
IPC: E02B8/02
Filed: 1932-09-28
Abstract: 403,780. Strainers. WHITEHEAD, J. E., Milltown Engineering Works, Radcliffe, near Manchester. Sept. 28, 1932, No. 26888. [Class 46.] Rakes, fixed to endless chains, which collect retained matter from the bars of sewage screens, are themselves cleared by a rotary rake which is moved intermittently by spaced members on one of the endless chains, so that it comes to rest when not engaged with the collecting rakes. Collecting rakes 3 fixed to chains 1 passing round wheels 5 are cleared by prongs 15 on a rotating spindle 13. The spindle 13 is driven by spur gearing 12, 10, 6, the wheel 6 being carried by a cylindrical member 8 loosely mounted on the shaft 7 of a wheel 5. Projections 16 carried by the chains and suitably spaced relatively to the rakes 3 engage lugs 9 on the member 8 and rotate this member, the arrangement being such that as each rake 3 arrives in a pendent position above the spindle 13 the spindle is caused to rotate once so that the prongs 15 clear the rake and then come to rest in a pendent position, so that they can themselves be cleared manually before they are again moved.
Patent GB-426209-A (GB)
Title: Improvements in rear-lamp tell-tale arrangements for motor vehicles
IPC: B60Q11/00
Filed: 1933-09-30
Abstract: 426,209. Lamp-failure alarms. FOX, J. H., 457, Binley Road, Binley, Coventry. Sept. 30, 1933, No. 26900. Drawings to Specification. [Class 118 (ii)] A two-position indicator is used to indicate failure of a vehicle rear lamp. The indicator exposing words such as " ON " and " OFF " through a suitable opening. A lamp or other alarm device may be operated when the indicator moves to the "off " position and if two rear lamps are available a switch is provided to enable either to be connected to the alarm control magnet. The control magnet is connected in series with the rear lamp in use and its armature controls the indicator either directly or by means of a cam. The armature also controls the spring contacts in the circuit of the lamp or other alarm device. A second switch enables either rear lamp to be used without the alarm.
Patent GB-918435-A (GB)
Title: Improvements relating to motor-car saloon bodies
IPC: B60R9/04
Filed: 1960-08-03
Abstract: 918,435. Road vehicle bodies. DAIMLERBENZ A.G. Aug. 3, 1960 [Aug. 8, 1959], No. 26965/60. Class 108(1). A motor car saloon body in which the part of the body below the windowed middle part has its maximum length and width at or above the level of the tops of the tyres, and opposite side surfaces of the lower part of the body on the one hand and of the said middle part on the other are inclined in relation to each other,- the roof which projects on all sides outwardly beyond the top of the said middle part being flat so as to be loadable directly upon its surface over its entire area. In the event of deformation of the front or rear of the vehicle the buffer spaces 4, 6 prevent damage to other parts of the vehicle, e.g. the engine in space 16. Luggage spaces 9, 18, a fuel tank 8, a space 14 for rain water drainage and air ducts, and a space 15 for working parts of the car are also provided. The seats are removable and the floor depressions 23, 24 may be covered by plates 25 to form a flat surface. Shelf spaces 22, 26 and 27 are provided in the body, and the flat roof also provides. internal shelf spaces 29 all round. Reference has been directed by the Comptroller to Specifications 816,088 and 821,191.
Patent GB-749656-A (GB)
Title: Anthraquinone tetrasulphonic acids
IPC: C07C309/38
Filed: 1953-10-01
Abstract: The invention comprises 1,3,5,7- and 1,3,6,8-anthraquinone tetrasulphonic acids, and a method of preparing them by sulphonating anthraquinone, b -anthraquinone sulphonic acid, or 2.6- or 2.7-anthraquinone disulphonic acid in presence of at least 2 per cent of a mercury salt catalyst, employing excess sulphur trioxide and a temperature of 130-200 DEG  C.  The tetrasulphonic acids may be converted to the corresponding tetrachloranthraquinones by chlorinating the tetrasulphonic acid with nascent chlorine as formed from alkali chlorate and hydrochloric acid.  In examples (1) anthraquinone-2,6-disulphonic acid is sulphonated to anthraquinone-1,3,5,7 - tetrasulphonic acid; (2) anthraquinone-2,7-disulphonic acid is sulphonated to anthraquinone - 1,3,6,8 - tetrasulphonic acid; (3) anthraquinone and its 2-sulphonic acid are each sulphonated to give a mixture of the two tetrasulphonic acids.
Patent GB-1465633-A (GB)
Title: Developing device
IPC: G03G15/09
Filed: 1974-06-18
Abstract: 1465633 Developing apparatus OCE-VAN DER GRINTEN NV 18 June 1974 [28 June 1973 4 April 1974] 27007/74 Heading G2H In an apparatus of the kind in which a copy sheet bearing an electrostatic image is developed by being transported through a chamber 60 containing an electrically conductive toner powder by a rotating conductive cylindrical member 65, the member 65 is provided with corrugations 69 which act to return surplus toner powder that accumulates at the copy sheet exit end of the chamber 60 back to the sheet entry end thereof. A rotating triangular rod 72 serves to vibrate the developed copy sheet to remove surplus toner therefrom. In another embodiment, the member 65 Figs. 6, 7 comprises a shaft 150 carrying plates 151, 153 that support rods 152 in the manner illustrated. The member 65 may also take the form of a cylinder provided with grooves in its outer surface parallel to its axis.
Patent GB-1070945-A (GB)
Title: Improvements in or relating to devices for measurement of filament thickness
Inventor: PROCTOR BASIL ALLISTER
IPC: G01B11/08
Filed: 1964-06-30
Abstract: 1,070,945. Photo-electric measuring apparatus. ROLLS ROYCE Ltd. June 30, 1964, No. 27011/64. Heading G1A. Apparatus for measuring the size of a filament, thread or rope comprises a support for the test object, means for illuminating it, a rotating reflector and photo-electric detector scanning the shadow pattern caused by the object and timing means determining the time between a point on the first dark-going slope of the cell output and a point on a subsequent light-going slope. The arrangement shown comprises a support 2 between the ends of which is mounted a drawn fused silica filament 1. The filament holder may be raised or lowered by means of knob 8 to investigate different parts of its length. It is also possible to move the filament holder and its guide and support means by rotation of handwheels 18 and 19 to position the portion of the filament under test at the focus of the inspection system. A light projection arrangement comprising a source 10 and optical system 11 illuminates the filament and light not obstructed or otherwise directed out of the system by the test object passes through projection lens 12 to mirror 15 mounted for rotation on a heavy flywheel 16 and driven by synchronous motor 17. The single mirror 15 may be replaced by a multi-faced reflector assembly to increase the scan frequency. The scanned shadow of the filament is focused on a narrow slit 13 in front of photo-electric detector 14 which may be a photo-multiplier. The timing circuit Fig. 3 (not shown) includes a manual switch settable to choose a point on the next light-going slope of the cell output after the commencement of timing to terminate timing if the test object is opaque and to select a point on the second following light-going slope if the test object is transparent. Timing may be effected by using a cathode-ray tube display incorporating timing markers or by counting clock pulses and displaying the count made in the preceding scanning cycle. The apparatus may be modified to view a continuously travelling test object.
Patent GB-207515-A (GB)
Title: Apparatus for indicating changes of direction for road vehicles
IPC: B60Q1/34
Filed: 1923-10-29
Abstract: 207,515. Fillettaz, E. Nov. 27, 1922, [Conventzon date]. Void [Published under Sect. 91 of the Act]. Road-traffic signals on vehicles; semaphore signals.-A direction indicator comprises pointers a, b at front and rear of the vehicle secured to pivoted spring-controlled drums c, e, and operated together by means of a Bowden wire attached to the drums and to a lever k near the driver moving over a marked sector m. The pointers may carry luminous coloured discs for night use.
Patent GB-624517-A (GB)
Title: Improvements in or relating to tools for cutting holes in plate, tanks and the like
IPC: B23B51/04
Filed: 1946-09-09
Abstract: 624,517. Annular drills. MANNERS, F. R. Sept. 9, 1946, No. 27078. [Class 83 (iii)] A hole-cutting tool comprises a carrier 4 adapted to receive a twist drill or other centrepiece 7, and having, concentric with the centrepiece, one or more recesses 9 of incomplete ring- shape, for the reception, edge-on, of a length of band-saw or similar blading 11, which is prevented from rotating relatively to the carrier by engagement with the ends of the recess in which it is fitted. The carrier 4 is formed integrally with, or screw-threaded on, a main body-member 1 having a shank 2 for fitting the chuck of a drill, and the twist drill 7 is secured in the body member. As shown, the carrier is provided with a number of concentric recesses 9 which are interrupted by a radial wall 10. If desired, each recess 9 may be subdivided into a number of arcuate recesses, each of which receives'a strip of blading. The member 1 may incorporate a central expendible chuck for receiving the drill 1. Instead of providing a number of fixed-diameter recesses 9, the carrier 4 may be arranged to expand or contract in the manner of a chuck. The Provisional Specification describes also the recesses 9 as being continuous and the use of grub screws, where necessary, to prevent slip between the blading and carrier.
Patent GB-697666-A (GB)
Title: Tuning device for radio receiver
IPC: H01F21/06
Filed: 1950-11-07
Abstract: 697,666. Radio receiver apparatus. COLE, Ltd., E. K., KEMP, R., and CHAPMAN, C. Nov. 7, 1951 [Nov. 7, 1950], No. 27136/50. Class 40 (v). A permeability tuning device for a radio receiver comprises a plurality of tuning coils having cores slidable in parallel paths under the control of means operated by a spiral cam on the end of a narrow drum which is parallel to the paths. The drum is rotated by manual force applied to its periphery. In Fig. 1, core 7 is slidable within coil 2 and is fixed to a threaded rod 8 which is screwed into a bracket 9. Core 17, slidable within coil 12, is similarly fixed to bracket 19. The end of a drum 25 contains a groove 24 having two cam surfaces 24A, 24B, which engage pins 22 and 23 which are fixed to brackets 9 and 19, respectively. A spring 26 is attached to portions of brackets 9 and 19, so as to provide a positive engagement between the cam surfaces 24A, 24B, and pins 22 and 23. Manual rotation of drum 25 then results in predetermined movement of the cores. The two coils may be associated with the input and oscillator circuits of a superheterodyne receiver. It is possible to dispense with padding condensers and coils by careful design of groove 24. The drum 25 may be of transparent thermoplastic material having an engraved scale which is made visible by the light from a bulb 28. The arrangement is particularly suitable for car radios, and as shown in Fig. 6, three tuning units of the type shown in Fig. 1 may be provided. Each unit may be tuned to a different station, and the driver may then select a desired station by merely operating a switch 36 which selects one of the tuning units. A dust cover 38 is provided, which also prevents inadvertent movement of drums 25.
Patent GB-1171892-A (GB)
Title: Method of Manufacturing Anisotropic Permanent Magnets.
IPC: C22C38/10
Filed: 1968-06-07
Abstract: 1,171,892. Heat-treating magnet alloys. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. June 7, 1968 [June 9, 1967], No.27169/68. Heading C7A. A permanent magnet is made of an alloy containing in percentage by weight Co 28 - 45 Ni 10 - 20 Al 7 - 9 Ti 7 - 10 Cu 0-6  Fe balance and is heat-treated by quenching from 900‹-1000‹C. to below the Curie temperature, after which it is held at a temperature between 10‹C. below and 70‹C below the Curie temperature for 2 to 30 minutes under the influence of a magnetic field. The magnet may then be cooled to room temperature at 0À5 to 1À5‹C. /second.
Patent GB-1534026-A (GB)
Title: Ventilator valve
IPC: F24F13/12
Filed: 1976-06-30
Abstract: 1534026 Valves M G SCHADE 30 June 1976 [2 July 1975 27 Nov 1975] 27196/76 Heading F2V A ventilator valve comprises a housing containing a transverse wall 4, Figs. 3 and 4, provided with a semicircular aperture 6 closable by a rotatably mounted circular disc 2 having a semicircular opening 20 therein. The disc is latched in one of a number of partially closed settings by a temperature responsive member 7, e.g. a replaceable, burstable cartridge. However, should the fluid flow temperature reach a value at which the latching is released, the disc moves automatically to its fully closed position. This is achieved by the action of a helical torsion spring 41 or a spiral torsion spring, or by so installing the valve in its position of use that the disc is moved to its fully closed position by gravity. Stops 22, 23 cooperate in the fully closed position. A support shaft 5 for the disc is mounted on a flexible tab portion 15 defined in housing end wall 13 by two parallel incisions 16. A screw connection 45 between the shaft and a flow grille 44 causes the latter to flex a little and thereby apply an axial loading to the shaft to maintain the disc is sealing contact with raised portions 24, 25 of the wall 4. The end wall 13 has a semicircular aperture 12 which is angularly offset from the aperture 6 in wall 4 by 180 degrees to silence the throughflow.
Patent GB-299984-A (GB)
Title: Improvements in the production of mixed crystals containing potassium and ammonium
IPC: C01C1/24
Filed: 1927-10-13
Abstract: 299,984. Johnson, J. Y., (I. G. Farbenindustrie Akt.-Ges.). Oct. 13, 1927. Manures comprising mixed crystals containing potassium and ammonium salts, which may be used as fertilizers are obtained by separating the solid deposit from an aqueous solution saturated with the. chlorides or nitrates or both of potassium and ammonium together with sodium salts if desired and which is in equilibrium with at least three solid phases of the said salts, and adding to the separated solution solid potassium or ammonium nitrate or chloride or a mixture of two or more of them with or without sodium or other metal salts. To the mother liquor may be added potassium, ammonium, or sodium salts other than those first added to obtain further mixed crystals and, for continuing the process, a second mother liquor of similar composition to the solution first employed. In each case the added salts are preferably dissolved as far as possible by warming and the mixed crystals then separated by cooling to the initial temperature. Soluble phosphates may also be added to the solutions used to obtain mixed crystals containing them. Examples describe the treatment of the following saturated solutions :-a solution of ammonium, potassium, and sodium nitrates with ammonium nitrate to obtain mixed crystals of ammonium and potassium nitrates and of the resulting mother liquor with mixed potassium and sodium nitrates to obtain mixed crystals of all three nitrates; a solution of potassium and ammonium nitrates and ammonium chloride with ammonium nitrate to obtain mixed crystals of the nitrates with a little chloride, and of the resulting mother liquor with potassium chloride to obtain a mixture of mixed crystals containing both chlorides and nitrates; and a solution of potassium, ammonium, and sodium nitrates and ammonium chloride with ammonium nitrate to obtain mixed crystals comprising nitrates, and of the resulting mother liquor with mixed potassium and sodium chlorides to obtain a mixture of mixed crystals containing both chlorides and nitrates.
Patent GB-454525-A (GB)
Title: Process of preparing substituted and unsubstituted amino-m-phenanthrolines in which the amino-group is in the benzene nucleus of the phenanthroline ring system
Filed: 1935-10-03
Abstract: Amino-m-phenanthrolines in which the amino group is in the benzene nucleus of the phenanthroline ring system and which have an anodyne, bactericidal, or therapeutic value are made by reacting a halogen-m-phenanthroline with ammonia or a primary or secondary amine such as an alkylamine, or by reduction of nitro-m-phenanthrolines, or by conversion of m-phenanthroline carboxylic acid amides according to the Hofmann reaction. Amino-m-phenanthrolines substituted in the amino group are made by reacting the unsubstituted compounds with acylating agents such as carboxylic acids or their anhydrides or halides, or with halogen substituted carboxylic acids, alkyl halides or alkylaminoalkylhalides.  Compounds of the types specified are acetic, propionic, butyric, benzoic, and chloracetic acids, acetic anhydride, acetyl, benzoyl, and chloracetyl chlorides, ethyl and propyl chlorides and ethyl bromide.  In examples: (1) 6-amino-m-phenanthroline is made by reduction of 6-nitro-m-phenanthroline; (2) 5-amino-m-phenanthroline is obtained from 5-bromo-m-phenanthroline (cf. Specification 454,526) and ammonia, is acetylated in (3) benzoylated in (4), and treated with chloracetic acid in (5); (6) 5-bromo-m-phenanthroline is treated with diethylamine to give 5-diethylamino-m-phenanthroline; (7) 5-amino-m-phenanthroline is treated with ethyl bromide to give 5-ethylamino-m-phenanthroline which is treated with more ethyl bromide in (8) to give 5-diethylamino-m-phenanthroline; 5-amino-m-phenanthroline is treated in (9) with b -diethylaminoethylchloride hydrochloride (cf. Specification 167,781, [Class 2 (iii)]), and in (10) with a  - diethylaminopropylchloride hydrochloride and in (11) with b -dimethyl-amino-ethyl chloride hydrochloride; (11) 5-m-phenanthroline carboxylic acid is converted to its amide and subjected to the Hofmann reaction.