baber/WOPTO huggingface dataset:
Patent GB-207926-A (GB)
Title: Improvements in or relating to throttle valves or the like for regulating the flow of fluids
IPC: F16K1/22
Filed: 1922-09-30
Abstract: 207,926. Were, E. J. Sept. 30, 1922. Closure members, hinged. - A throttle valve a of the butterfly type is provided with a bye-pass aperture, c arranged at such an angle that when the valve is opened the flow of fluid past the faces of the valve will cause a suction in the bye-pass opposing that occasioned by the 'difference in pressure between the faces. The bye-pass may be arranged in the half of the vavle which opens towards the high pressure side and so as to be at right-angles to the axis of the pipe b when the valve is closed. The valve may be used in combination with a carburettor of the type set forth in Specifications 193,612, and 200,978, [both in Class 7 (iii), Internal-combustion engines, Carburetting apparatus &c. for], and the bye-pass may be arranged so as to cause a jet of air to impinge on the main orifice of the carburettor.
Patent GB-894063-A (GB)
Title: Steering mechanism for an articulated shuttle car
IPC: B62D7/14
Filed: 1958-08-19
Abstract: 894,063. Steering articulated vehicles. JOY MANUFACTURING CO. Aug. 19, 1958 [Aug. 29, 1957], No. 26607/57. Classes 79(3) and 79(5). [Also in Group XXX] A steering mechanism for an elongated vehicle having car body section 18 and 20 transversely articulated at 22 and carrying front and rear swivelled wheels 14 with steerage links 78 extending along each section towards the joint 22 with connecting members 70 on each body section themselves interconnected by a member 84 on, and shiftable along, the axis of articulation. A sixwheeled shuttle-car is described driven electrically by central wheels 12 on the section 20. The members 70 and joint 22 are housed between the upper and lower runs of an endless conveyer belt 30 with scraper flights 32 and extending continuously around the box-like floor structures 46 of both the sections. The transverse beams 74 of the members 70 are pivoted centrally to the sections 18 and 20 at 72 and to the linkages 78 at 92. They have rigidly connected arms 80 with ball ends 81. The articulated joint 22 is formed by a tube 48 whose ends 50, welded to the side walls 52 of the section 18. house conical trunnions 62 clamped in by tie rods 66. The side walls 54 of the section 20 are pivotally retained on the trunnions by flanges. Holes on either side of the tube 48 near its centre admit the ball ends of the arms 80 to similar slots in the sides of the member 84 which slides in a central cavity in the tube. The ball ends 81 are housed between pads 89, 95 and springs 91 in cavities 82 in the member 84 and are retained there by screwed plugs 93. The links 78 may be integral or in two parts interconnected by subsidiary links 98 pivoted to the side walls 52, 54. The steering gear is operated by power cylinders 88 connected to the links 72 and controlled by gear 44 at the driver's position. Specification 894,064 is referred to.
Patent GB-835196-A (GB)
Title: Improvements relating to motor omnibuses
IPC: B60K13/00
Filed: 1958-08-20
Abstract: 835,196. Silencing gaseous currents. DAIMLER-BENZ A.G. Aug. 20,1958 [Sept. 10, 1957], No. 26745/58. Class 7(2) [Also in Group XXXI] The intake ducting 6 for a rear mounted engine 4 of an exhaust-braked omnibus extends along the roof to a front mounted intake scoop 8 and is silenced by a single interference tube 10 disposed near the filter 9 and by a pair of opposed interference tubes 11, 11<SP>1</SP> disposed midway along the length of the ducting 6.
Patent GB-1477174-A (GB)
Title: Electrical circuit arrangements responsive to serial digital signals forming multibyte data-words
IPC: H04L1/00
Filed: 1974-06-18
Abstract: 1477174 Telegraphy PLESSEY CO Ltd 4 June 1975 [18 June 1974] 26885/74 Heading H4P In a signal transmission system each data word comprises a predetermined number of bytes (e.g. 3, Fig. 1) each comprising a "start" bit of a first binary level (0), a "stop" bit of a second binary level (1) and an identical number (8) of "data" bits immediately succeeding the "start" bit, the final byte of each word having an addition bit of the first level between the last data bit and the stop bit, a receiver of the system being arranged to detect a sync. pulse sequence (110) comprising that bit immediately succeeding the last data bit of all successive bytes of a data word. To test for a 110 sync. pulse sequence, the receiver of Fig. 2 comprises a comparator COMP and a control unit CLU which generates reference bits EB1-EB3 in turn for comparison with the 10th bits RB1-RB3 of each byte of a word. Successful comparison, e.g. of EB2 with RB2, causes the 8 data bits to be transferred to section S2 of a data register REG under the control of a signal PS2, whereupon bit EB3 is generated for comparison with RB3. Unsuccessful comparison causes EB1 to be produced again, and a signal RSR clears the register: this ensures that, whichever sync. bit is wrongly received, the whole word containing it will be erased from the register and CLU will be ready to receive the first sync. bit RB1 of the next data word.
Patent GB-153288-A (GB)
Title: Improvements in friction clutch disks
IPC: F16D13/64
Filed: 1920-09-23
Abstract: 153,288. Soc. Anon. des Aeroplanes G. Voisin. Oct. 27, 1919, [Convention date]. Clutches, friction.-To ensure gradual engagement of a friction clutch, the driven disk or disks A is or are provided with substantially L-shaped slits, preferably with radial and concentric limbs, such as ab, bg, all the tongues so formed being bent to the same extent out of the plane of the disk along the lines gm, either all to one side or alternately to one side and the other, and then treated to render them springy. The gaps in the periphery tend also to prevent conical distortion of the disk due to unequal expansion.
Patent GB-640579-A (GB)
Title: Improvements in and relating to stands or holders for flexible receptacles
IPC: A47G23/02
Filed: 1947-10-09
Abstract: 640,579. Making hollow-ware. ROBERTS, F. C., and WALLIS, B. H. Oct. 9, 1947, Nos. 27141/47 and 6406/48. [Class 83 (ii)] [Also in Group XIV] A stand or holder for a flexible receptacle such as a conical paper cup 5 is made by spinning the base from sheet aluminium to bell shape as shown at 1. A cone-shaped cage 4 in which the cup is held is also spun from sheet aluminium the lower conical portion 7 being adapted to fit within the open neck 8 of the base 1 and secured thereto, e.g. by brazing or by the rim of the neck being spun or swaged on assembly. In a modification, Fig. 4, a pair of similar coaxial hollow truncated cones 13, 14 each spun from sheet aluminium is attached to a ring 10 serrated internally at 11 or 12 to hold the cup.
Patent GB-955853-A (GB)
Title: Improvements in or relating to apparatus for applying comminuted material to food products and the like
IPC: A21C9/04
Filed: 1961-07-26
Abstract: 955,853. Coating foodstuffs. J. W. GREER CO. July 26, 1961 [Aug. 9, 1960], No. 27153/61. Heading A2A. In an apparatus for applying finely divided material, e.g. breadcrumbs, to foodstuffs, e.g. fish sticks or fillets, shrimp, oyster, chicken, hamburg &c., breadcrumbs are fed from a hopper 22 by a roller 23 to form a layer on an open mesh conveyer 16 to which the food pieces 19 are supplied by a mesh conveyer 18. A plate 29 beneath the conveyer 16 maintains a layer of breadcrumbs on the latter and has at its forward end a transverse air duct 24 with air outlets 26 emitting air streams which are directed forwardly by deflectors 27 on the plate and cause the breadcrumbs to be scattered upwardly, these subsequently falling back so as to envelop the food pieces 19. A centrifugal fan 33 driven by a motor 34 blows air via fan outlet 36 and duct 37 out of a duct 24, the fan and motor being mounted on a casing 31 having a baffle 32. The latter deflects downwardly the upwardly scattered breadcrumbs, and prevents their circulating in the air flow. The food pieces are then embedded by a tamping plate 38 vibrated vertically up and down by vibrators 39, 41. Breadcrumbs falling through the conveyer 16 at the end of plate 29 and surplus crumbs blown off the food pieces 19 by a second fan, motor, casing, baffle assembly 44, 45, 42, 43 are collected on and pass through, the lower run of the conveyer 16, and are retained and fed back to the upper run by a plate 46. The coated pieces 19 pass to a conveyer 21. The conveyer 16 is supported by rolls 14, 17, both driven, roll 14 by a belt 13 from a motor 11.
Patent GB-1437836-A (GB)
Title: Squeegee assembly for a screen printing machine
IPC: B41F15/42
Filed: 1974-06-19
Abstract: 1437836 Screen-printing squeegee assemblies MITTER & CO 19 June 1974 [20 June 1973] 27171/74 Heading B6C A squeegee assembly for a rotary screenprinting machine which may have a cylindrical stencil 1 or an endless belt stencil (not shown) comprises a squeegee holder 4 pivotally connected by shaft 6 to a carrier 7 which supports the squeegee member in the form of a bar or blade 8. A backing member, e.g. an inflatable tube 5, urging the carrier 7 away from the holder 4, and the pivot point being before the squeegee in the direction of rotation of the stencil. Preferably, one or a plurality of brackets 41 depending from holder 4 support the pivot shaft 6; the carrier 7 comprises one or a plurality of interlocking two-part members 71, 72, bar or blade 8 being mounted in recess 76 in part 72. A spring 75 connects on eye member 74 on each part 72 with ink-supply pipe 3 so that the weight of the squeegee assembly is mainly borne by that pipe, and only a light pressure is exerted on blade or bar 8. The squeegee may alternatively be in the form of a roller (not shown).
Patent GB-1267878-A (GB)
Title: Plural operating mode television receivers
IPC: H04N5/445
Filed: 1970-06-05
Abstract: 1,267,878. Television receivers; automatic gain control. RCA CORPORATION. 5 June, 1970 [11 June, 1969], No. 27256/70. Headings H3T and H4F. A television receiver can be switched to receive video signals, e.g. recorded on tape, and is also provided with a video output for the purposes of recording; it is characterized in that the automatic gain control (A.G.C.) is operative not only when receiving radio signals, but also in the reception of video signals, to stabilize the D.C. level. A colour television receiver includes ganged switches 74, 75, 80, 81, 82, 83, 84 which in the position shown are set for the reception of video signals, and in the reverse position for reception of radio signals. The receiver comprises a pentode video amplifier 56, the anode of which is coupled to chrominance processing circuits 70, and via a frequencycorrecting network to a triode luminance amplifier 57. The cathode of triode 57 feeds video signals to switch arm 74, the anode feeding sync. separator circuit 61 and the grid of an A.G.C. gate valve 60. The valve 60 is pulsed conductive by line frequency pulses applied to its anode and derived over capacitor 63 from deflection circuits 64, to produce a D.C. potential which is smoothed and applied over resistors 108, 109, 110 to control the gain of I.F. amplifier 51. Video signals to be reproduced are applied from terminal 86, via level-setting control 87 to an amplifier comprising transistors 89, 96, 105, the output of which is fed via switch 83 into the cathode of video amplifier 56: when operating in this manner, switch 84 places a positive bias, via resistor 114, on the base of the transistor 112 which is also coupled via diode 111  and line d to the output of A.G.C. valve 60. Transistor 112 thereby obtains an opposing signal-dependent bias which stabilizes the D.C. level in amplifier 89, 96, 105 which is directcoupled, and in which the base bias of transistor 89 is derived over resistor 92, through which the collector current of transistor 89 flows. Switch 84 also varies the D.C. bias on the grid of valve 56 to allow for the additional positive cathode bias when operating on video input. Switches 74, 75 apply the luminance output from the anode of amplifier 57 to the input of third video amplifier 77, via a delay line 76; additional delay is introduced by means of a second delay line 120 when receiving radio signals, to compensate for the effect of the R.F. and I.F. circuits. For the purpose of video recording an output is provided on terminal 150, being derived from the cathode of triode amplifier 57 via an amplifier comprising transistors 125, 139, 140 and 145; this amplifier includes frequency compensating circuits and also a delay line 138 which compensates for delay of the chrominance components in the R.F. and I.F. circuits. When receiving video signals, a faster capture for synchronization of the line oscillator is necessary and this is effected by switching filter timeconstants in the line oscillator circuits (Fig. 4, not shown); the switching is effected by switch 82.
Patent GB-1491187-A (GB)
Title: Method of producing unsaturated carboxylic acids and esters
IPC: C07C69/54
Filed: 1976-06-30
Abstract: 1491187 Unsaturated carboxylic acids and esters IDEMITSU KOSAN CO Ltd 30 June 1976 [10 July 1975] 27258/76 Heading C2C Unsaturated carboxylic acids and esters CH 2  = CR.COOR<SP>1</SP>, where R is hydrogen, lower alkyl or aryl and R<SP>1</SP> is hydrogen or lower alkyl, are prepared by reacting RC # CR, carbon monoxide and a compound R<SP>1</SP>OH in the presence of a Pd (II) compound and a compound R<SP>11</SP>X where R<SP>11</SP> is hydrogen, lower alkyl or aryl and X is halogen as the catalyst and in the presence of an oxygen-containing compound. Acetylene, methyl, ethyl and phenyl acetylene may be the starting materials. The oxygencontaining compounds may be carboxylic acids, ethers or ketones such as methyl or ethyl acetate, methyl benzoate, tetrahydrofuran, diethyl ether, dioxane, acetone, methyl ethyl ketone and acetyl acetone. Examples describe the preparation of methyl methacrylate with methyl and ethyl crotonate.
Patent GB-707208-A (GB)
Title: Improvements in or relating to nozzle type centrifuges
IPC: B04B1/12
Filed: 1952-10-30
Abstract: 707,208. Centrifugalseparators. AKTIEBOLAGET SEPARATOR. Oct. 30, 1952 [Nov. 16, 1951], No. 27311/52. Class 23 In a centrifugal separator in which sludge discharged through nozzles 1a is recirculated, tubes 8 leading the recirculated sludge from the centre of the separator to the vicinity of the nozzles are loosely fitted and arranged to facilitate their cleaning. An annular flange 11 formed on the base of the separator body 2 is provided with holes 12 for the tubes. The flange may be formed on an insert 16 screwed to the body. The tubes are prevented from rotating and moving outwardly by their polygonal heads 13 which engage recesses in the flange. The recirculated sludge is supplied by pipe 6 to a chamber 18 formed by a hood 17. washers 19, 20 preventing leakage from the chamber. After the body locking ring 4 is unscrewed, the ring 4, the top plate 3, and the disc-pack 10 are removed by lifting the distributor 9 to give access to the hood which is then removed. The tubes are then withdrawn inwardly, grooves 21 being provided in the base to facilitate the withdrawal.
Patent GB-616619-A (GB)
Title: Improvements in and relating to electrical apparatus
IPC: H01F27/02
Filed: 1946-09-11
Abstract: 616,619. Insulators. BRITISH THOMSONHOUSTON CO., Ltd. Sept. 11, 1946, No. 27315. Convention date, Sept. 11, 1945. [Class 36] High voltage apparatus having bushing and terminal apparatus which may be too large for convenient transportation are provided with means for adjustably supporting the elements on the apparatus and comprising a rotatable member with two oppositely extending inclined parts. The bushing 2 consists of an intermediate member 8 carrying on opposite ends insulating members 9 and 10. The bushing passes through a hollow cylindrical member 13 mounted on the casing 11. The members 13 and 8 are provided with flanges 15 and 16 respectively, said flanges each having a plurality of holes for the reception of locking bolts 17. The bushing is moved into the retracted position by removing the bolts 17 and rotating the bushing approximately half a turn within the sleeve 13. The insulating member 9 is thus moved from the vertical to the horizontal position and secured by the bolts 17 prior to sliding the protective cover 6 into position.
Patent GB-891088-A (GB)
Title: Tin organosilicon compounds
IPC: C07F7/02
Filed: 1959-08-10
Abstract: The lubricating properties of organosiloxane fluids are improved by the addition of tin alkyl silalkyl silanes of the general formula <FORM:0891088/III/1> where x is a monovalent hydrocarbon radical free from aliphatic unsaturation, an alkoxy group or a chlorine or bromine atom, R is a monovalent hydrocarbon radical free from aliphatic unsaturation, R1 is an alkyl or phenyl radical, Z is hydrogen or methyl, x is 1, 2 or 3, q is 0, 1 or 2, x+q is 1, 2 or 3, y is at least 2, m is 0 or 1 and n is 0 or is 1 when m is 1, or polysiloxanes derived therefrom (see Group IV(a)). Specifications 804,097 and 891,087 are referred to.ALSO:The invention comprises tin alkylsilalkyl silanes and polysiloxanes derived therefrom, the silanes having the general formula <FORM:0891088/IV (a)/1> where X is a monovalent hydrocarbon radical free from aliphatic unsaturation, an alkoxy radical or a chlorine or bromine atom, R is a monovalent hydrocarbon radical free from aliphatic unsaturation, R1 is an alkyl or phenyl radical, Z is hydrogen or methyl, x is 1, 2 or 3, q is 0, 1 or 2, x+q is 1, 2 or 3, y is at least 2, m is 0 or 1 and n is 0 or is 1 when m is 1. They are prepared by reacting an unsaturated silane X3Si(CH2)2CH = CH2 where z is 0 or an integer, with a silalkyl tin compound <FORM:0891088/IV (a)/2> in liquid phase in the presence of chloroplatinic acid.  The silalkyl tin reactants are disclosed in Specification 891,087. The polysiloxanes are derived by hydrolysis and include copolymers with conventional siloxane units.  They may be cyclic, linear or cross-linked.  The examples describe the preparation of (1) ClMe2SiCH2-CH2Me2SiCH2SnBu3 and the corresponding Cl3Si-, Cl2MeSi-, BrMe2Si- and EtOMe2Si-derivatives, as well as ClPhEtSi(CH2)3SiPhMe-(CH2)3SnMe3 and ClMe2SiCH2CH2Me2SiCH2 -CHMeCH2SnPhMe2; (2) [ClMe2SiCH2CH2Me2 -SiCH2]2SnBu2, [ClMe2SiCH2CH2Me2SiCH2]3-SnBu and [ClMe2SiCH2CH2Me2SiCH2]SnBu -(CH2SiMe2H)2; (3) the disiloxanes O[SiMe2 -CH2CH2Me2SiCH2SnBu3]2 and O[SiMe2CH2 CH2Me2SiCH2CHMeCH2SnPhMe2]2; (4) the siloxanes [OSiMeCH2CH2Me2SiCH2SnBu3] and O1,5Sisiloxanes; (5) the siloxanes [O0,5Si Me2CH2CH2Me2SiCH2]2 SnBu2 and [OSiMeCH2CH2Me2SiCH2]2SnBu2; (6) a mixture of disiloxane derived from the silane of (1) and Me3SiCl together with the compound Me3Si OSiMe2CH2CH2Me2SiCH2SnBu3, and analogous products; (7) a copolymer containing the units Me3SiO0,5, Me2SiO, Cl2C6H3SiO1,5 and <FORM:0891088/IV (a)/3> (8) a copolymer containing Me3SiO0,5, MeHSiO and Bu3SnCH2SiMe2CH2CH2MeSiO units.  Uses.  Lubricating oils and additives.  The compounds in which R1 is butyl are antimicrobic, anti-fungal and anti-mildew.
Patent GB-844958-A (GB)
Title: Rubber compositions
Inventor: BARRETT GEOFFREY FRANCIS CONRA
IPC: C08L21/00
Filed: 1957-08-30
Abstract: The vulcanisable compositions of the parent Specification are extruded to produce an article.  One example relates to the extrusion through a 1 1/4 " extruder with temperatures of 70 DEG C. and 90 DEG C. on the barrel and die ( 1/4 " diam.) respectively and a screw speed of 40 r.p.m., of a vulcanisable composition containing 100 parts 95% isobutylene/5% isoprene copolymer, 10 parts isotactic polypropylene having a melt viscosity at 190 DEG C. of 104 poises, 20 parts medium processing channel black, 30 parts semi-reinforcing furnace black, and minor preparations of zinc oxide, petroleum jelly, tetramethyl thiuram disulphide, zinc diethyl dithiocarbamate, and sulphur.
Patent GB-599182-A (GB)
Title: Improvements in or relating to belt conveyors
IPC: B65G15/60
Filed: 1944-06-08
Abstract: 599,182. Angle stations for conveyers. MILIK, R. June 8, 1944, No. 27413/46. Divided out of 599,130. [Class 78(i)] An angle station, for enabling an endless conveyer belt 8 to change its direction of travel, comprises a plurality of freely revoluble sectional rollers 37, 38, 39 which provide support for the inner concave surface of the belt where it changes direction and which prevent " wander of the belt. Each run of the belt may be supported by three such rollers; each roller journalled in the wheeled framework 36 and constituted by discs rotating independently on ball bearings 40 to form a bulging contour corresponding to the cavity and width of the belt. Specification 599,130 is referred to.
Patent GB-1246210-A (GB)
Title: 6-(AMINOALKYL- AND AMINOALKYLIDENE)-1,1a,6,10b-TETRAHYDRODIBENZO-[a,e]CYCLOPROPA[c]CYCLOHEPTENES
IPC: C07D295/02
Filed: 1969-05-30
Abstract: 1,246,210. Dibenzo-cyclopropa-cycloheptene derivative. G. D. SEARLE & CO. 30 May, 1969 [31 May, 1968; 28 June, 1968], No. 27414/69. Heading C2C. Novel compounds I and II in which X is H or halo, Y is H or halo, alk is a C 1-3  alkylene radical, and -NRR<SP>1</SP> is C 1-6  alkylamino, di - (C 1-6  alkyl) - ammo, piperidino, carbamoylpiperidino, 4 - methyl - 1 - piperazinyl, or 4 - hydroxyethyl - 1 - piperazinyl are prepared by (1) reaction of the 6- oxo-derivative with a compound where X<SP>1</SP> is Cl or Br, followed by dehydration of the 6-aminoalcohol formed; (2) reaction of the 6-chloro-alkylidene derivative with HNRR<SP>1</SP> or (3) reduction of the double bond of the 6- alkylidene radical. Intermediates isolated are (A) 1,1-dichloro- 1,la,6,10b - tetrahydrodibenzo - [a,e] - cyclopropa- [c] - cyclohepten - 6 - one, prepared from dichlorocarbene and 5H-dibenzo-[a,d]-cyclohepten - 5 - one; (B) 1,1 - dichloro - 1,1a- 6,10b tetrahydrodibenzo - [a,e] - cyclopropa- [c]-cyclohepten-6-ol, prepared from (A) by reaction with NaBH 4 ; (C) 1,1a-6.10b-tetrahydrodibenzo [a,e] - cyclopropa - [c] - cyclohepten- 6-ol, prepared from (B) by reduction with lithium and (-butyl alcohol; (D) 1,1a 6,10btetrahydrodibenzo - [a,e] - cyclopropa - [c] - cyclohepten - 6 - owe, prepared from (C) by oxidation with Jones reagent; (E) 1,1,3-trichloro- 1,1a,6,10b - tetrahydrodibenzo - [a,e] - cyclopropa - [c] - cyclohepten - 6 - one, prepared from 2 - chloro - 5H - dibenzo - [a,d] - cyclohepten- 6-one by reaction with dichlorocarbene; (F) 6 - cyclopropyl - .1,1 - dichloro - 1,1a,6,10btetrahydrodibenzo - [a,e] - cyclopropa - [c] - cyclohepten-6-ol prepared from (A) by reaction with cyclopropyl-magnesium bromide; (G) 6-(3- chloropropylidene) - 1,1 - dichloro - 1,1a,6,10btetrahydrodibenzo - [a,e] - cyclopropa - [c] - cycloheptene, prepared from (F) by reaction with conc. HC1; (H) 6-cyclopropyl-1,1a-6,10b-tetrahydrodibenzo [a, e] cyclopropa - [c] - cyclohepten-6- ol, prepared from (D) by reaction with cyclopropyl magnesium bromide; and (J) 6-(3- chloropropylidene) - 1, 1a, 6, 10b - tetrahydrodibenzo - [a,e] - cyclopropa - [c] - cycloheptene, prepared from (H) by reaction with conc. HC1.