baber/WOPTO huggingface dataset:
Patent GB-1247781-A (GB)
Title: Buckle
Inventor: BENGTSSON SIGURD WALTER
IPC: A44B11/12
Filed: 1969-03-14
Abstract: 1,247,781. Buckles. S. W. BENGTSSON. 14 March, 1969 [21 March, 1968], No. 13627/ 69. Heading E2B.  A buckle comprises a recessed base plate 10 having two opposite side flanges and a band retaining two armed lever pivotally mounted in the side flanges one arm 18 being pivotable by the other arm 19 to clamp a portion of the band into a recess 16 in the base plate. Edges 22, 23 of the arm 18 clamp the band against opposite edges of the recess. The recess may extend through the base plate which has an aperture for securing another band portion. The 'buckle is made of plastics.
Patent GB-540850-A (GB)
Title: Improvements in or relating to tool rests or work supports for emery wheel grinders and like machines
IPC: B24B41/06
Filed: 1940-08-30
Abstract: 540,850. Grinding and polishing. HARRISON & SONS, Ltd., T. S., and ASHTON, G.B. Aug. 30, 1940, No. 13631. [Class 60] Tool rests or work supports, of the type comprising a til ing table and a base fixed to the machine bed, the table and base being formed with co-operating arcuate surfaces, have the forward edge of the table coincident with the axis of the arcuate surfaces. The rest table 1 is bolted to a hollow section 3 of about 60 degrees angle, the edge of the table nearest the wheel 7 being the axis of the arcuate surfaces 4. A bolt 9 passes through a hole in the base 6 and a slot 8 in the section and permits adjustment as indicated by a scale 14. The bolt has a washer 10 curved to fit the section and retained by lock nuts 11. Clamping is effected by a screwed handle 13.
Patent GB-474628-A (GB)
Title: Improvements relating to automatic cut-outs for electrically heated kettles and likeutensils
IPC: H05B1/02
Filed: 1936-05-14
Abstract: 474,628. Thermal switches. BLOOMER, F. C. M. May 14, 1936, No. 13635. [Class 38 (v)] In an electrically heated utensil, a contact bridge 6 is spring-mounted on a rigid bar 7 carried by a blade spring 8 on a fixed bracket 9 and is held in engagement with fixed contacts 15 in the heating circuit by means of the bent round end 17a of a bimetallic strip 17 mounted on a stud 18 on the bottom of the utensil. When the utensil boils dry the strip 17 bends to release the contact arm which may be reset on cooling by pushing in a knob 19a.
Patent GB-514536-A (GB)
Title: Improvements in latches
IPC: E05C1/14
Filed: 1938-05-09
Abstract: 514,536. Latch bolts. FEARNHILL, E. F. May 9, 1938, No. 13818. [Class 44] A latch bolt 17, which may' be hollow and is pressed outwards by a spring 20, is operated through a bell-crank lever 23 and a push rod 27, The rod 27 is pressed upon by means of a button 32 slidably mounted within a tube 29 fixed to the latch casing. The push-rod may be fixed to the button and engage the lever 23 by a pin- and-slot.
Patent GB-528537-A (GB)
Title: Improvements in or relating to lubricant-dispensing devices
IPC: F16N3/12
Filed: 1939-05-09
Abstract: 528,537. Lubricating apparatus. KREMER, R. W. May 9, 1939, No. 13823. [Class 102 (i)] A lubricating apparatus comprises a low-pressure chamber 1 with a plunger 2 therein to feed lubricant therefrom into a coaxial high-pressure cylinder 6 slidable inwardly in a tightlyfitting tubular guide 7 one end of which extends somewhat into the low-pressure chamber and forms a mounting for the highpressure piston 11, feed openings 12 being provided in said end, at some distance from the operative end 16 of the highpressure piston, to connect the low pressure chamber with the interior of the tubular guide so that with outward movement of the high-pressure cylinder, suction will be set up in the high-pressure cylinder and in the tubular guide to draw lubricant thereinto. The cylinder 6 has a trumpet-like mouth 14, and the distance between this mouth and the end 16 of the piston 11 is adjusted by means of the nut 17 which secures the piston to the guide 7. Packing 8 ensures a tight fit of the cylinder 6 in the guide 7, and the cylinder 6 may be fitted internally with packing 19 arranged near the mouth 14. The guide 7 is secured to the chamber 1 by means of a relatively thin conical member 22, screw-threaded at 23, 24. The plunger 2 may be operated by a rod 3 or by a spring. In a modification, the cylinder 6 is provided with an additional external packing near the end which receives the piston 11.
Patent GB-295763-A (GB)
Title: Improvements in and relating to wireless telegraphic and like apparatus
IPC: H01H19/56
Filed: 1927-05-23
Abstract: 295,763. Croot, G. W. May 23, 1927. Aerials. - A frame aerial is provided with a number of turns a<1> - - a<4> which are adapted to be changed over from series to parallel by means of a barrel switch e, arranged so as to maintain the same inductive relation of the coils b<1> - - b<4>, the ends terminating in spring contacts c<1> - - c<5> and d1 - - d<5>, which coact with contacts f<1> - - f<5> and g<1> - - g<5> on the barrel switch. In the position shown in Fig. 3, the windings are in series across the grid and filament of the valve j, through switch conductors connecting the pairs of contacts f<2>, d<2>, &c. By turning the switch through a right-angle, the coils are connected in parallel across a pair of strips h, i, Fig. 2, the inductive relation of the windings remaining constant. The contacts f<5>, g<5> are used to insert an additional component such as the fixed advancer l<1> into the aerial circuit. A mid-point topping to the frame windings is provided at l.
Patent GB-397974-A (GB)
Title: Improvements in or connected with flexible pocket cases for cigarettes, cigars, and the like
IPC: A24F15/20
Filed: 1932-05-14
Abstract: 397,974. Cases for cigarettes &c. LATHAM, H. G. and LATHAM, H. J., 4, Ablewell Street, Walsall. May 14, 1932, No. 13875. [Classes 18 and 133.] In a flap-closed, flexible, e.g. leather, pocket case for cigarettes &c. of the kind provided with a U-shaped stiffening frame 9 the vertical arms of which are joined by a strip 11, the latter is corrugated so that cigarettes &c. can be positioned in the recesses on both sides of the strip. The ends of the strip are flattened and riveted &c. to the frame, and they are also supported by detents 16 raised out of the vertical arms. The case comprises a front and a back section sewn together at the edges ; and the back carries an integral closure flap which is fastened by means of a tongue on the flap and a strip held in slots'on the front of the case. Two pockets each with a frame can be adapted to fold together and be closed by a single flap. The tops of the cigarettes can be protected by a horizontal strip constituting a fourth side to the frame 9, this strip being secured to the closure flap and moving away with it when it is opened.
Patent GB-227713-A (GB)
Title: An improved remedy for cattle complaints
IPC: A61K33/34
Filed: 1924-06-06
Abstract: 227,713. Ralph, F. E. June 6, 1924. Liniments.-A preparation for the prevention and cure of contagious abortion in cattle consists of copper acetate and copper sulphate ground up with sperm oil or other fish oil.
Patent GB-116820-A (GB)
Title: Improvements in or relating to Resilient Driving Mechanism for Transmitting Drive from Crank-shafts.
Inventor: RIEDLER ALOIS
IPC: F16C3/26
Filed: 1917-09-26
Abstract: 116,820. Riedler, A. Sept. 26, 1917. Shaft couplings; securing cranks on shafts.-In flexible means for driving a shaft c from an engine driven crank-shaft b, plate springs f, Fig. 1, secured to projections on the shaft c bear against opposite sides of the crank web d, or spring arms f, Fig. 3, secured to the projections are connected by links e to the web. Helical springs abutting against stops on the projections and web may form the resilient connexion. The end journal x of the crank-shaft rotates freely within the shaft c.
Patent GB-1173551-A (GB)
Title: A Camera Shutter.
IPC: G03B9/22
Filed: 1968-03-22
Abstract: 1,173,551. Camera shutters. PRONTORWERK. ALFRED GAUTHIER G.m.b.H. March 22 1968 [April 29, 1967], No.13922/68. Heading G2A. An electronically timed camera shutter is generally of the same construction as is disclosed in Specification 1,168,696, especially the modification shown in Figs. 5-7 thereof. The current which energizes the electromagnet 11 is switched on about 5 milli-seconds before the shutter blades begin to open. Thus the field of the magnet is fully built up, hence assuring maximum attraction, before the magnet is required to hold the shutter in the open position. The battery circuit is closed to energize the magnet by a switch actuated by the shutter-driving mechanism, and a retarding mechanism delays the opening of the shutter.
Patent GB-561022-A (GB)
Title: Improvements in bleaching cellulosic materials
IPC: D21C9/10
Filed: 1942-10-06
Abstract: Cellulosic material is bleached by subjecting it to the action of an aqueous solution, at a pH of about 3-9, containing an alkali or alkaline earth metal chlorite and an aldehyde.  The process is especially useful for completing the bleaching of material already partially bleached by the customary methods, and is applicable to wood pulp, cotton linters and textile fibres, e.g. of cotton, hemp or regenerated cellulose.  Specified chlorites are those of sodium and calcium and specified aldehydes are formaldehyde, paraformaldehyde, acetaldehyde, furfural, benzaldehyde, the 5- and 6-carbon atom aldoses and inverted sucrose.  In examples: (1) a kraft pulp is suspended for 2 hours in an aqueous solution at 60 DEG  C. containing sodium chlorite and formaldehyde and buffered with sodium hydroxide to pH=8, and is separated and washed; (2) and (3) a kraft pulp is suspended for (2) 3 hours, (3) 1 hour, in an aqueous solution at (2) 25 DEG  C., (3) 50 DEG  C., containing sodium chlorite and formaldehyde and buffered with sodium bicarbonate and monosodium phosphate to pH=(2) 7.1, (3) 6.9, and is separated and washed; (4) a kraft pulp is suspended for 1 hour in an aqueous solution at 50 DEG C. of formaldehyde buffered to pH=7.1, separated, washed, suspended for 1 hour in an aqueous solution at 50 DEG  C. containing sodium chlorite and formaldehyde and buffered to pH=7.4, and is separated and washed; (5), (9) and (10) a kraft pulp is suspended for 1 hour in an aqueous solution at 50 DEG  C. containing sodium chlorite and (5) acetaldehyde, (9) benzaldehyde, (10) furfural, and buffered to pH=7.1, and is separated and washed; (6), (7) and (8), cotton muslin is kier-boiled, soaked (6) for 1 hour at 75 DEG  C., (7) for 2 hours at 20-25 DEG  C., (8) for 1 hour at 20-25 DEG  C., in an aqueous solution containing sodium chlorite and formaldehyde (6) and (7) unbuffered at an initial pH of 8 to 9, (8) buffered to a pH of 7.0, drained, maintained in a closed vessel (6) for 1 hour at 75 DEG  C., (7) for 2 hours at 25 DEG  C., (8) for 1 hour at 25 DEG  C., washed and ironed dry; (11) a kraft pulp is suspended for 1 hour in an aqueous solution at 56-58 DEG  C. containing sodium chlorite and formaldehyde and buffered with mono- and di-sodium phosphates to pH=6.95 to 7.0, and is separated and washed; (12) a kraft pulp is suspended for 2 hours in an aqueous solution at 50 DEG  C. containing sodium chlorite and formaldehyde and buffered with sulphuric acid to pH=7, and is separated and washed.
Patent GB-140398-A (GB)
Abstract: 140,398. Ball Engine Co., (Assignees of Armstrong, E. J.). Jan. 20, 1915, [Convention date]. Vertical boilers.-In a vertical boiler intended particularly for use on a travelling steam shovel, the smoke-box 7 above the fire-tubes 8 is closed by a hinged head 10 carrying the chimney 11. The hinge joint 14 is off-set so that the chimney and head may be swung back below the level of the top of the shovel. The head is of such a size as to provide access to all the smoke-tubes. The smoke-box extends through the roof 17, and the head extends over the smoke-box so as to protect the joint between the smoke-box and the roof.
Patent GB-1245586-A (GB)
Title: Penicillins
Inventor: EKSTROM BERTIL AKE
IPC: C07D499/00
Filed: 1968-03-22
Abstract: 1,245,586. Fluorophenylacetamidopenicillanic acids. ASTRA AB. 20 March, 1969 [22 March, 1968], No. 14055/68. Headings C2A and C2C. Novel 6 - [α - (fluorophenyl) - α - azidoacetamido] penicillanic acid, of Formula (I) or non-toxic salts thereof are prepared by reacting an acylating derivative of an α-azido-o-, m- or p-fluorophenylacetic acid, or. the acid itself in the presence of a condensing agent, with a 6-aminopenicillanic acid or a reactive derivative thereof, optionally in the form of a salt or easily hydrolysed ester, and if necessary hydrolysing the ester. The acylating derivative may be the acid chloride, bromide, azide, activated ester or anhydride, or activated heterocyclic amide. 6-APA derivatives are preferably di- or tri- (C 1 -C 6  alkyl) silyl derivatives; the esterifying group may be a similar silyl radical or a trialkyl or triaryltin group. The reaction is carried out in aqueous, organic or aqueous-organic medium, preferably in the presence of an acid-binding agent. By using the appropriate optical isomer of the acylating acid, the corresponding + and - isomers of the products are prepared. α-Azido-o-, m- and p-fluorophenylacetic acids are prepared by reacting the corresponding α- bromo-acid with sodium azide. The products are resolved into their + and - forms by fractional crystallization of a suitable salt (e.g. ephedrine, pseudo-ephedrine or amphetamine salt). The acids are converted to their chlorides by treatment with thionyl chloride. Pharmaceutical compositions having antibiotic activity comprise 6-[α-(fluorophenyl)-α-azidoacetamido] penicillanic acids of Formula I or a non-toxic salt thereof together with a pharmaceutically acceptable carrier or diluent. Reference has been directed by the Comptroller to Specifications 1,008,468 and 964,449.
Patent GB-621689-A (GB)
Title: Improvement in parachute harness
IPC: B64D17/22
Filed: 1946-05-09
Abstract: 621,689. Parachute harness; slide buckles. PIONEER PARACHUTE CO., Inc. May 9, 1946, Nos. 14087, 14088, 14089 and 14090. Convention dates, June 23, 1945, June 30, 1945, June 30, 1945 and Juiy 3, 1945. [Classes 43 and 141] Certain straps of a parachule harness are interconnected through the intermediary of slide buckles such that the straps may be tightened after the harness is fastened and unintentional loosening is positively resisted in wear, while the straps may be readily loosened without unfastening the harness if the buckle is tilted so that its locking bar is free to slide. The buckle comprises a frame 34, Fig. 2, a slide bar 32, and an end bar 33 which is thickened to provide a portion 35 offset from the plane of the frame and adapted to bite into the strap 23 when tension is applied. The harness shown comprises a sling 10 with a chest strap 19, 20 slidable thereon, and back straps 23 which are adjustably connected to the sling by slide buckles 15, 16, are looped through slots 11 ... 14 in the sling, and are continued as a back waist strap. The loops 24, 25 carry an eye 26 and hook 27 for connection respectively to a hook 40 and an eye 41 adjustably connected by slide buckles 46, 47 to leg straps 38, 39. The application of the slide buckles to other forms of harness is described. In one form, the back straps are continued as breast straps the ends of which are adjustably connected to slide buckles secured on the ends of a separate back waist belt. In another, the chest straps are adjustably connected to slide buckles secured on the upper ends of the back straps, the sling continuing as lift webs which are freely slidable through the buckles. In another, the lift webs are slidable through adapters which connect shoulder and chest straps, the latter being connected to the back waist belt by the slide buckles.
Patent GB-1269434-A (GB)
Title: Improvements in d.c. electric motors
IPC: H02P6/08
Filed: 1970-03-24
Abstract: 1,269,434. Electric motors. PIONEER ELECTRONIC CORP. 24 March, 1970 [25 March, 1969], No. 14252/70. Heading H2A. A commutatorless D.C. motor includes a permanent magnet rotor and at least two stator windings successively energized by a switching circuit controlled by a voltage produced in dependence on both the rotor field and the value of a current which varies with rotor speed. In the motor shown the two stator windings L 1 , L 2 , are alternately energized by transistors Tr 3 , Tr 4 , controlled by a Hall generator 3 influenced by the field of the rotor and supplied with the collector current of transistor Tr 2 . Tr 2  is controlled by a further transistor Tr 1  whose base-emitter voltage depends on the speed of rotor 4. A speed dependent voltage is fed to the emitter of Tr 1  by that one of the windings which is not driving the rotor at any given time. Speed variation may be activated by replacing R 2  with a variable resistor R 3 , Fig. 2 (not shown). Compensation for ambient temperature variation may be achieved by replacing R 1  and R 2  with resistors having a positive and negative temperature coefficient of resistance respectively, or a positive temperature coefficient resistor (R 7 ), Fig. 5 (not shown), may be inserted in the emitter lead of Tr 1 . Compensation for source voltage variation may be achieved by connecting the base of Tr 1  to a point on a voltage divider, connected across the source 2, either directly, Fig. 3 (not shown), or through an amplifying transistor (Tr 5 ), Fig. 4 (not shown).
Patent GB-623888-A (GB)
Title: Improvements in primary electric cells
IPC: H01M6/06
Filed: 1947-05-29
Abstract: 623,888. Batteries. BURNDEPT, Ltd., LEWIS, R. W., and LINTON, A. May 29, 1947, No. 14319. [Class 53] A dry cell having a caustic potash electrolyte and a mercuric oxide depolarizer 4 is provided with a negative electrode consisting of a roll 7 of paper coated with zinc on one surface, the zinc on the outer turn of paper being in contact with the inner surface of the zinc container 1. The roll of paper is prepared by coating a paper sheet with a suspension of zinc-mercury amalgam in starch and water by a spraying, brushing or rolling operation. The positive electrode 3 is an iron or carbon rod. To fill the cell with electrolyte it is placed in a vessel which is then exhausted and caustic potash solution admitted to the container 1. A cardboard disc 9 is then placed above the roll 7 and covered with a layer 10 of petroleum jelly. The cell is closed by a metal cap 11 which is insulated from the container 1 by a sheath 2 of polyvinyl chloride which is turned over the lip 12 of the container. Specifications 612,086 and 620,445 are referred to in the Provisional Specification.
Patent GB-555241-A (GB)
Title: Improvements in or relating to the purification of sand and other minerals from iron
IPC: C03C1/02
Filed: 1941-11-07
Abstract: 555,241. Removing iron impurities from minerals. PILKINGTON BROS. Ltd., and SHERLOCK. A. Nov. 7, 1941. No. 14384. [Classes 1 (ii) and 1 (iii)] The iron impurities in felspar, fluorspar, alumina and particularly sand for use in making glass, are reduced by treatment in an aqueous bath containing titanous sulphate or chloride and a fluorine compound, e.g. hydrofluoric acid, sodium fluoride, sodium silico-fluordde. The mineral preferably after treatment is washed. A preliminary treatment with a titanous salt solution may be given before addition of a fluorine compound.
Patent GB-1500034-A (GB)
Title: Control lever mechanism
IPC: B60T7/06
Filed: 1975-04-08
Abstract: 1500034 Linkwork; levers START SpA STUDI APPARECCHIATURE E RICERCHE TECHNICHE 8 April 1975 [17 April 1974] 14386/75 Heading F2K In a variable ratio brake pedal assembly the lever 1 is pivoted about a fixed fulcrum F and has a movable fulcrum pin 6 which is slidable along a recess 8 in the lever 1 to vary the effective leverage to a brake rod 10 as the lever 1 is moved to apply the brakes whereby the mechanical advantage ratio is automatically progressively increased in response to the angular movement of the lever 1 and to the brake reaction resistance load H. As shown, the brake rod 10 is connected by a forked end 9 to the movable fulcrum, pin 6, which pin 6 carries an elastomeric roller 7 for rolling in the recess 8 and is connected by a pair of links 5 to a pivot pin 4 located at 11a on the lever 1. A pair of tension springs 13 are connected between the movable fulcrum pin 6 and a transverse pin 12 fast on the lever 1 to bias the pin and and roller 6, 7 to the end of the recess 8 away from the fixed fulcrum F. With no operating load on the pedal 2 the lever adopts the position of Fig. 3 in which the pin 4 is below the line of action of the brake rod 10. When brake application load is applied to turn the pedal 2 the brake reaction resistance load H initially serves to reinforce the tension springs 13 to maintain the movable fulcrum pin 6 at the lower end of the recess 8 at a position furthest from the fixed fulcrum F. On further turning of the brake pedal lever 1 the pin 4 moves upward across the line of action (i.e. resistance load H) of the brake rod 10 as in Fig. 4 whereby the resistance load H now serves to oppose the springs 13 and, depending on the magnitude of the, brake load applied to the pedal 2, progressively and gradually moves the pin and roller 6, 7 along the recess 8 towards the fixed fulcrum F to vary the leverage and thus automatically progressively increase the mechanical advantage. In a similar alternative embodiment of Figs. 6 to 9 (not shown) the pair of links 5 and pivot pin 4 are replaced by a U shaped link (14) which pivots on a knife edge (C) formed on the lever 1. In a further similar embodiment of Fig. 10 (not shown) the links 5 and pivot pin 4 are omitted and the recess 8 modified as a guider slot (18) for the movable fulcrum pin and roller 6, 7 the centre of curvature (C) of the guide slot (18) being initially positioned below the line of action of the resistance H and, as before, moves above the line of action of resistance H as the brake pedal is operatively turned whereby the pin and roller 6, 7 progressively move towards the fixed fulcrum F.
Patent GB-246372-A (GB)
Title: Improvements in fishing tools for use in connection with well drilling
IPC: E21B31/18
Filed: 1925-06-02
Abstract: 246,372. Cuthill, J., and Oil Well Engineering Co., Ltd. June 2, 1925. Borehole apparatus.-A fishing tool of the slip socket type for raising broken drill rods &c. has the serrated slips 16 connected by extensions 18 to a spring pressed cross-head 19, so as to be rigid therewith; if the tool is to be removed alone from the bore-hole, it is lowered until the broken rods &c. engage the cross head and raise it relatively to the socket 7, when springs 23 engage under the cross head and hold the slips 16 in disengaged position. The springs 23 are freed when desired bv detachable bolts 26. The socket 7 is preferably made in one piece, slots 14 being provided for insertion of the inner parts. The slips 16 have vertical grooves 17 to increase flexibility.
Patent GB-1532061-A (GB)
Title: Control-disc for an hydraulic axial-piston swash-plate machine
IPC: F01B3/00
Filed: 1976-04-09
Abstract: 1532061 Hydraulic reciprocating motors and pumps KLOCKNER-WERKE AG 9 April 1976 [9 May 1975] 14475/76 Heading F1A A ported valve plate for an axial piston, rotary cylinder block machine has hydrostatic bearings formed on its cylinder block-engaging face by recesses 26 to 29, Fig. 1, connected to their associated valve plate ports 10, 11 by passages 30 to 37, throttling pins 39 or 45, Fig. 3 being located with slight clearance in passages 30 to 33 and being spring-loaded so as to oscillate in the passages during operation, and prevent blockage of the flow paths. In the throttle pin 39 embodiment, biasing spring 43 acts against a fixed closure 42. In the throttle pin 45 embodiment, spring 46 acts against a slidable plug 47 engaging a housing surface 48 to move pin 45 during operation. The pins may provide a pressure drop of 50%.