baber/WOPTO huggingface dataset:
Patent GB-1426650-A (GB)
Title: Stabilised polyvinyl butyral compositions and additives for polyvinyl butyral
IPC: C08K5/52
Filed: 1973-02-19
Abstract: 1426650 Laminates HOECHST AG 19 Feb 1973 [22 Feb 1972] 7940/73 Heading B5N [Also in Division C3] Laminated glass is prepared using a stabilized polyvinyl butyral composition which comprises from 0À6 to 4À5% by weight, calculated on the weight of polyvinyl butyral, of an additive which comprises from 5 to 50% by weight, based on the total weight of additive, of at least one phenolic stabilizer and from 50 to 95% by weight based on the total weight of additive, of at least one phosphorous acid triester, the additive being soluble in the stabilized polyvinyl butyral at a temperature within the range of from -50 C. to 50 C., and non-volatile at a temperature of about 140 C. In Example 7 a laminated glass is prepared by pressing a sheet of a composition comprising polyvinyl butyral, triethylene-glycol-bis-(2-ethyl butyrate), 2,6- di-tert.-butyl-p-cresol and trilauryl phosphite between two glass plates.
Patent GB-374881-A (GB)
Title: Improvements in or relating to intermittent feed mechanism for cinematographic cameras and projectors
IPC: G03B1/22
Filed: 1931-03-16
Abstract: 374,881. Kinematograph apparatus. COLLINGS, C. E. HILLERY-, 9N, Camberwell Green Estate, London. March. 16, 1931, Nos. 8015 and 3018. [Class 97 (i). In a kinematograph camera or projector one of two rocking flames gives to the claw arm pivoted thereto the longitudinal component of its movement while the other, which has a pin-andslot connection with the claw arm, gives the transverse component of its movement to the claw arm. As shown, the shaft 14 carries a flywheel 13 driven from an electric motor. The shaft 17 with a crown-wheel 20 engaging the pinion 21 on the shaft 14 permits of hand drive. The cranked end 30 of the shaft 14 engages in the rocking stirrup 28 to effect horizontal reciprocation of the claws 33 by the engagement of the pin 36 in the slot 35. The claws 33 are vertically reciprocated by the connection of the arm 31 to the rocker 22 operated by the cam 25 on the gear 16. The arm 44 of the stirrup 28 reciprocates the sliding shutter 41, which has obturating and flicker blades 37, 38, Fig. 1 (not shown). According to the second Provisional Specification cams may be employed instead of cranks.
Patent GB-1078021-A (GB)
Title: Improvements in or relating to mine arches
Inventor: SEAGER JOHN SIDNEY
IPC: E21D11/40
Filed: 1963-02-28
Abstract: 1,078,021. Preloading mine arches; clamps. NATIONAL RESEARCH DEVELOPMENT CORPORATION. May 27, 1964 [Feb. 28, 1963], No. 8054/63. Headings EIE and E2B. An I-Section mine arch 19 to which forepoles are to be attached is preloaded against the mine roof by a removable hydraulic prop or jack 6 associated with a friction clamp, the flange of the arch being frictionally gripped between a pin 15 and conical or cylindrical projections 11, 12. The pin 15 and projections 11, 12 are carried by arms 1, 2 supported by a bolt tiltably mounted, Fig. 3 (not shown), on the jack head so that as the jack is raised the arms 1, 2 are canted to grip and raise the arch 19. The pin 15 is removably held by a cotter pin 18, both pins being retained by chains. On removal of pin 15 the arms 1, 2 may be swung about bolt 7 to free them from the arch 19. The arms 1, 2 may have a series of holes to allow selective positioning of the pin 15. In a modification, Fig. 5 (not shown), a mine arch flange (25) is gripped between projections integral with canting arms (23), (24) having ball-connections with the head of a jack. The arms are releasably held together against the action of a resilient bush (35) by a pin (40) having a flattened end (42) cooperating with cross pins (39) whereby the pin (40) is turned through 90 degrees to lock.
Patent GB-270262-A (GB)
Title: Improvements in locomotives
IPC: B61F5/36
Filed: 1927-03-24
Abstract: 270,262. Buchli, J. April 29, 1026, [Convention date]. Locomotives of compound or articulated construction.-Comprises a locomotive having three bogies, the superstructure 1 being supported on the end bogies 2, 2<1> and part of the weight being transmitted from the end bogies to the middle bogie 3 at the articulations 8, 8<1> so that each bogie carries an equal load, and also each axle is equally loaded. Each axle is driven. In the construction shown in Fig. 1 the superstructure is supported on the end bogies by king-pins 6, 6<1> and slidable connections 7, 7<1> in the same vertical transverse planes as the king-pins, and the king-pins are situated at a distance a from the bogie centres, and a distance 2a from the connections 8, 8<1>, the total load 3Q being distributed as shown. In a modification the king-pins and the respective sliding connections 7, 7<1> are in different transverse planes, but are so situated that the resultant force due to the load passes through the same point on each end bogie as in the construction shown in Fig. 1.
Patent GB-769366-A (GB)
Title: Improvements in or relating to sound projection system
Inventor: CAMRAS MARVIN
IPC: H04S3/00
Filed: 1955-03-21
Abstract: 769,366. Magnetic recording and reproducing apparatus; sound-directing appliances. ARMOUR RESEARCH FOUNDATION OF ILLINOIS INSTITUTE OF TECHNOLOGY. March 21, 1955, No. 8183/55. Classes 13 and 40 (2). [Also in Group XXXIX] In a binaural system the outputs of the different microphones are recorded at longi. tudinally spaced points 32, 33 of their respective tracks on a magnetic tape, and a keeper 44, 45 alongside each recording head prevents stray field affecting the adjacent track. The tape is fed from a reel 36, over the recording head assembly 38, a drive capstan 34 and an associated pinch roller 35 to a take-up reel 39. When the drive stops the decrease in tension in the tape 31 permits the arm 40 and roller 35 to drop. A pair of loud-speakers 11, Fig. 2, are mounted in a casing 10 facing the end wall of a room in such a manner that the output from the loud-speakers is reflected from the end and side walls of the room so as to give the impression that the loud-speakers are spaced apart by a considerable distance. Specification 617,773 is referred to.
Patent GB-632351-A (GB)
Title: Improvements in or relating to spring driven motors
IPC: F03G1/00
Filed: 1948-03-19
Abstract: 632,351. Spring motors. HOBBS, E. W., and OXENFORD, G. S. March 19, 1948, No. 8194. [Class 10] A spring motor comprises a helical torsion spring 17 anchored at one end to a member 9, 10, which is rotatable for winding purposes, and at the other end to a member 6, 7 formed with a driving gear 5, the parts 7, 9 being in screw-threaded engagement so that relative axial movement of the members is produced during winding and unwinding to compensate for changes in the diameter and length of the spring. The assembly is mounted on an arbor journalled in the motor frame 1 and having a cylindrical portion 16<1>, on which the member 6, 7 is rotatable, and a non-circular portion 16a on which the member 9, 10 is slidable, winding being effected by a key engaging a projecting portion 18 of the arbor. The part 10 is formed with ratchet teeth 11 engaged by an elongated spring-loaded pawl 12. The part 6 is formed with a skirt 7<1> which embraces the part 9 and serves to support the spring when the latter is fully wound. Unwinding is limited by engagement of the end 9<1> of the part 9 with the part 6, and over-winding by engagement of a stop 19 on the part 10 with a stop 20 on the motor frame. The spring may be preloaded when assembling the motor.
Patent GB-1135301-A (GB)
Title: Device for the treatment of materials
IPC: D21F5/00
Filed: 1967-02-21
Abstract: 1,135,301. Sieve drum driers. VEPA A.G 21 Feb., 1967 [21 March, 1966], No. 8207/67. Heading F4G. [Also in Division D1] In drying textile material on sieve drums 4 under suction produced by fan wheels 6, the drives 9 for the fan wheels are arranged outside the housing as are the bearings for the fan shafts 10. Each fan shaft 10 is supported by means of subdivided pillow blocks 11 and 12 which are mounted on a drive box 13. A fan motor is adjustably connected to the fan shaft 10 and is mounted on the drive box 13. All driving parts are covered by a perforated casing 17. Rails 18 which are slidable and adjustable in height in frame 19 are provided beneath the fan wheels to support the wheels during replacement of bearings 11 and 12. Alternatively, supporting elements consisting of a bearing block of adjustable height arranged beneath the shaft 10 within the housing and a two-part clamping device arranged between a disc 16, provided with cooling coils, and bearing 11 are provided (Fig. 5, not shown).
Patent GB-331225-A (GB)
Title: Improvement in kilns
IPC: F27B9/30
Filed: 1929-01-23
Abstract: 331,225. Robertson, H. M. May 9, 1928, [Convention date]. Divided on 311,316. Tunnel kilns; walls; roofs.-In a tunnel kiln comprising preheating, firing, and cooling zones 8, 9, 10, air is withdrawn from heating pipes 31 at the sides of the cooling zone by a fan 37 and delivered to flues 42 which extend along the roof of the firing and preheating zones and communicate with damper-controlled delivery conduits 43 spaced along the preheating zone. The flues 42 are formed by partitions 6d between inner and outer arches 6<c>, 44, and the two innermost flues are connected to the outermost delivery conduits 43 and so on in succession along the length of the preheating zone. The arch 44 is covered with insulating-material 45 and the side walls of the kiln are formed by inner and outer walls, 2<a>, 2<b> with an interposed filling 2<c> of insulating- material. Specification 311,316 is referred to.
Patent GB-970876-A (GB)
Title: Improvements in or relating to character storage arrangements
Inventor: GASKELL THOMAS ERNEST
IPC: G06F3/00
Filed: 1961-03-08
Abstract: 970,876. Cathode-ray tube displays. MARCONI CO. Ltd. Sept. 26, 1961 [March 8, 1961], No. 8473/61. Heading H4T. In an arrangement for recording on continuously moving photographic film 10 (Fig. 1) characters displayed on the screen of a cathoderay tube 1, the characters being traced out under the control of a waveform generator 6 (in response, e.g. to information derived from an electronic computer) coupled to a first deflection yolk 3 and the beam being also subjected to mutually perpendicular deflections at the same repetition frequency by means of X and Y co-ordinate scanning generators 4 and 12, respectively coupled to a second deflection yolk 2, the amplitude of the scanning sawtooth wave from the generator (i.e. 12) producing motion of the characters imaged on the film in the same direction as the motion of the latter is controlled by means of a tacho-generator 11 coupled to the film driving mechanism such that the speed of movement of the characters is the same as that of the film. During the tracing out of each character the deflection produced by generator 4 (i.e. the line deflection) is arrested by means of an auxiliary sawtooth generator 7 coupled to yolk 3. Each line of characters thus produced is recorded on the film as shown in Fig. 2. By employing a cathode-ray tube having a sufficiently short persistence 50,000 characters per second may be recorded. The photographic film may be replaced by other light-sensitive recording media such as a drum carrying sensitive selenium. Specification 947,503 is referred to.
Patent GB-471260-A (GB)
Title: Improvements in or relating to airport lighting systems
IPC: B64F1/20
Filed: 1936-03-21
Abstract: 471,260. Visible signalling-apparatus. BARTOW, J. B. March 21, 1936, No. 8484. Convention date, March 21, 1935. [Class 118 (ii)] [Also in Group XI] A landing and take-off system for aircraft during fog or like adverse atmospheric conditions comprises a runway 1 having along one or each side a row of light-projectors 2 providing overlapping beams directed inwardly, and gradually increasing in intensity, towards the desired direction of approach of an aircraft so as to establish along the runway a central vertical plane of substantially uniform light intensity from any point in which a plurality of the lightprojectors is visible with equal intensity to the pilot. The lightbeams are indicated in elevation and plan in Figs. 4 and 6 respectively, and Fig. 8 indicates the distribution of light in a horizontal plane, the distribution being similar in vertical transverse planes through the projectors and in intermediate correspondingly inclined planes. As shown in Fig. 8, the outer rays 2-18 &c. of greatest intensity are parallel to one another and the corresponding rays 2- 21, 2-20 &c. of less intensity are parallel to one another but inclined to the outer rays ; rays of greatest intensity from any one projector overlap rays of less intensity from one or more preceding projectors. When an aircraft during landing is in the positions A, B, C, D, Fig. 5. two, four, six and eight lights respectively are visible to the pilot on each side of the runway and consecutive series of lights may be distinctively characterized, e.g. be clear or white, yellow or amber, and red, thereby indicating to the pilot the elevation of the aircraft and its position along the runway. Projectors 3 of greater light intensity than the projectors 2 may be provided to produce a central row of green lights in the correct direction of approach to the runway and a row of red lights at the other end. The projectors 2 are preferably double units comprising lamps 28, 29, Fig. 14, and similar associated prismatic lens structures 30, 31, one or other lamp being operated according to the direction of landing. Coloured, preferably red, screens 32, 33 are provided to indicate the incorrect direction of approach and the outside of the runway respectively, and a removable coloured screen 34 is placed over the operative lamp. The projectors 3 comprise a single lamp and a preferably coloured lens structure and are arranged in oppositelydirected pairs for alternative use. The lamps 28, 29 and the corresponding projectors 3 are arranged in parallel circuits controlled by a two-way switch, a rheostat being provided for controlling the intensity of light according to prevailing conditions. The projectors 3 may be dispensed with and one or both of the rows of projectors 2 may be extended. Reflectors 4 consisting of parallel rows of glass blocks, Fig. 10, embedded in the runway with the prismatic surfaces downward, may be provided, the lines of reflected light visible to the pilot increasing in length as the aircraft approaches the ground.
Patent GB-1177242-A (GB)
Title: Apparatus for Transferring Loosely and Tightly Formed Coils of Metallic Strip
Inventor: SHUMAKER CHARLES STORER
IPC: B21C47/24
Filed: 1967-02-22
Abstract: 1,177,242. Rolling; uncoiling. UNITED ENG. & FOUNDRY CO. 22 Feb., 1968 [22 Feb., 1967], No. 8509/67. Headings B3E and B3M. Uncoiling apparatus, for use in combination with a rolling mill 11, permits both tightly and loosely formed coils to be supported at a station B during rolling. The coils are initially shifted by a beam 13 from a conveyer 10 to a carriage 15, the carriage being lowered by a ram 21 and then moved towards the mill by a further ram 32. For a loosely wound coil the carriage is stopped at station A and the free end of the coil is fed between clamping shelves 33. The coil is then pushed by arms 23 across an inclined table 37 and into a coil box at station B. Pinch rolls 34 and 36 can then feed the strip to the mill, after retraction of the shelves 33. For a tightly wound coil, the table 37 and the supporting rollers 5 1 , 5 2  are moved to the dotted portions 37a and 53a respectively, thereby allowing the coil to be moved by the carriage 15 directly to station B. Supporting mandrels 58, 59 are passed through the coil centre, and the pinch rolls 34 and 36 feed the strip as before.
Patent GB-798475-A (GB)
Title: Improvements in or relating to stop valve installations
Inventor: GRANT THOMAS
IPC: F16K31/122
Filed: 1955-03-24
Abstract: 798,475. Fluid-pressure servomotors. COCKBURNS, Ltd. Feb. 17, 1956 [March 24, 1955], No. 8573/55. Class 135. In a stop-valve installation in which the stop valve 10 may be closed by power, e.g. in an emergency by means of a valveclosing servo-cylinder 10a and in which a clutch device 13 for the valve spindle nut 23 is provided to permit the nut to be freed for power closing of the valve, the stop valve may be re-opened by power by means of a further servo-cylinder 15 to which pressure fluid is admitted from a change-over valve 20 when its control member 22 is moved from a " normal position " to " valve-opening " position. This movement of the control member diverts pressure fluid in a conduit 19 connected to the stop-valve inlet 11 from control valves 16, 17, effective on the occurrence of engine overspeed or low vacuum in the condenser to close the stop-valve, to a conduit 21 leading to the servo-cylinder 15. The clutch device 13 is operated by a control cylinder 18 which is also effective to exhaust the space below the valve closing servo-piston.
Patent GB-589985-A (GB)
Title: Improvements in or relating to the cutting of thermoplastic webs
IPC: D06H7/22
Filed: 1945-04-06
Abstract: 589,985. Cutting thermoplastic webs. BRITISH CELANESE, Ltd. April 6, 1945, No. 8591. Convention date, April 11, 1944. [Class 31 (i)] A device for cutting thermoplastic webs into narrower widths, comprises a number of electrically heated cutting elements connected in series by conductors 14, Fig. 1, and adjustably spaced along a threaded rod 7, the cutting elements being supported between fibre disks 11, Figs. 1 and 2, washers 12 and nuts 13. The rod 7 is carried by rods 3, attached to a suitable forwarding or feeding device. Each cutting element consists of a wire 9, bent in the form of a loop, the edge 18 of which is sharpened to a cutting edge. The ends 16 of the wire are bent at right-angle to the portion forming the loop.
Patent GB-821171-A (GB)
Title: Improvements in radar apparatus
IPC: H01Q3/24
Filed: 1957-03-15
Abstract: 821,171. Waveguide accessories. MARIE, G. R. P. March 15, 1957 [March 16, 1956; Nov. 12, 1956], No. 8609/57. Class 40 (8). [Also in Group XL (c)] In a microwave radar (see Group XL (c)), a cavity resonator coupling containing ferrite material blocks transmission between a rectangular waveguide and an aerial by the action of applied steady magnetic field on the circularly-polarized (C.P.) waves in the coupler. In one embodiment cavity resonators 21, 22, Fig. 3, coupled by slots 23 lie between guide 3 and aerial 18 and each contains soft iron and ferrite slugs 28, 29 respectively. High-permeability plates 24-26 close the magnetic circuit of coil 30 producing fields 31, 32 which respectively detune one cavity for one direction of rotation of C.P. and the other cavity for the other direction. In a second embodiment a single cavity 4, Fig. 6, is used to produce the same effect. The cavity, tuned by dielectric rods 54, carries ferrite sleeve 47 surrounded by ferrite pot 50 enclosing coil 51. In the application to a directive aerial system (see Group XL(c)), each aerial element has a coupler and the coils form sections of a delay line an input pulse to which causes elevation scanning by successive opening of transmission between aerial elements and radar transmitter/receiver. Specification 800,056 is referred to.
Patent GB-702154-A (GB)
Title: Improvements in or relating to wrapping machines
IPC: B65B41/14
Filed: 1951-04-15
Abstract: 702,154. Feeding webs. FORGROVE MACHINERY CO., Ltd., and BROOK, L. April 13, 1952 [April 15, 1951], No. 8652/51. Class 100 (1). [Also in Group XVII] In a wrapping machine (see Group XVII) comprising a reciprocating picker for feeding a web of wrapping material, the picker 20, Figs. 3, 5 and 6, comprises a lower jaw 31 which is constituted by an extension of a bar 32 pivoted by pins 35 and 38 respectively to bosses 41 and 40 on an operating lever 34, pivoted on a shaft 56, and a supporting link 36. The upper jaw 37 is attached to a bar 39 pivoted by pins 44 and 46 respectively to the bar 32 and an operating link 42 coupled by a pin 90 at its lower end to a cam-actuated lever 71, the jaws being held closed by a spring 47 and, opened by downward movement of the link. Distance pieces 49, 149 are provided on the pivot pins 35, 38 and can be placed on one side or other of the bosses 41, 40 according to whether it is desired to locate the-picker centrally of the web or in an offset position. Figs. 3 and 5 show the picker located in an offset position and Fig. 6 shows the distance pieces in their alternative position to locate the picker centrally. The combined thicknesses of the link 42 and lever 71 are equal to the width of the distance pieces, the link being located behind or in front of the lever according to the position of the distance pieces. The reciprocating movement of the picker is derived from a cam 50 which operates through an arm 53 carrying a follower 52 to rock a shaft 51 carrying an arm 54 which has a pin and slot connection 58 (adjustable by a screw 59 to vary the stroke of the picker) with a bellcrank lever 57 pivoted on the shaft 56. The lever 34 is actuated by the lever 57 through a compression spring 63 to impart a forward stroke to the picker, a positive return stroke being imparted by co-operating abutments 64, 65 on the two levers. A further cam operates to rock a shaft 82 carrying an arm 83 having an adjustable pin and slot connection 84, 85 with a link 886 coupled to a lever 887 pivoted to the lower end of the link 36, whereby the picker is caused to dip at the end of its return stroke. The cam actuating the lever 71 also operates a clamp (not shown) periodically to clamp the web, the arrangement being such that the picker moves to its extreme forward position, the jaws close on to the leading edge of the wrapper web, the clamp is lifted and the picker makes its return feeding stroke.
Patent GB-1137083-A (GB)
Title: Betaine sulphoalkyl heterocyclammonium salts and processes for their preparation
IPC: C09B23/10
Filed: 1966-02-28
Abstract: 1,137,083. Betaine sulphoalkylnaphtho[1,2-d] heterocycloammonium salts and derivatives. EASTMAN KODAK CO. 28 Feb., 1966 [1 March, 1965], No. 8658/66. Heading C2C. The invention comprises compounds of the general formula wherein W represents a sulphur, oxygen, or selenium atom or the group (R<SP>5</SP> and R<SP>6</SP> each representing the same or different alkyl or substituted alkyl, aryl or substituted aryl groups), Y represents a methyl, alkylthiol or arylthiol group, R, R<SP>1</SP>, R<SP>2</SP>, R<SP>3</SP> and R<SP>4</SP> are each a hydrogen, alkyl, aralkyl, alkoxy, aryl or substituted aryl group, aryloxy, halogen, cyano, or acetyl group) and R<SP>11(-)</SP> represents a sulphoalkyl cationic group. Derivatives in which the Y group is replaced by or are also described. The compounds may be obtained by reacting a compound of formula where X represents an acid anion, with a cyclic alkane sultone. The two specified derivatives may be obtained by reacting the compounds with an orthoester or with ethyl isoformanilide. The products may be used as intermediates for preparing photographic dyes.