baber/WOPTO huggingface dataset:
Patent GB-674849-A (GB)
Title: Improvements in or relating to photographic cameras
IPC: G03B17/42
Filed: 1948-08-03
Abstract: 674,849. Photographic cameras. STEVENS, A. H. (American Safety Razor Corporation). Aug. 3, 1948, No. 20480/48. Class 98 (i). A disc-like photographic film-holder includes a filmcarrying base-plate, an apertured plate provided with a movable cover member, means for detachably securing a lens assembly with a built-in shutter, and means engageable by the lens assembly upon its attachment to the film holder to prevent removal of the lens assembly while the plate aperture is open. Preferably the apertured plate and cover-plate are rotatable together relatively to the film-carrying base-plate to bring successively different areas on the film into position for exposure through the lens. As shown, the magazine comprises a casing 1 formed by two annular members recessed at 1x, 1xx and joined by rivets 3. An opaque plate 4 on each side of which is arranged a flat film 5 is located in the recess 1xx and both it and the films are held stationary by the rivets. Above each film are rotatably mounted in recesses 1x a plate 6, having an exposure aperture 6xx adapted to be closed by a sliding plate 7 arranged in a guide way 6x in the plate 6, and a plate 8 having an exposure aperture surrounded by a short tube 8x and a slot 8xx into which a pin 9 on the plate 7 passes. A photographic objective L provided with a shutter having a release trigger S is adapted to fit on to the tube 8x and has extensions 11 on its mount which are cut away at 11x; to accommodate spring fingers 10x; of a latch 10 carried by the plate 8 and at 11xx to form a hole through which the head 9x of the pin 9 may pass, so that when the objective has been placed in position on the magazine and rotated clockwise it is held on by spring fingers 10x; and is then latched against accidental release by the knob 9x downwardly the full length of the slot in the mount 11, simultaneously opening the safety-slide 7 of the magazine. After each exposure the objective and the plates 6, 8 are rotated to bring a fresh film area F into register with the apertures 6xx, 8xx, the rivets 3 bearing numerals indicating the number of the exposure.
Patent GB-478677-A (GB)
Title: An improved method and apparatus for subduing the lustre of and finishing shaped textile goods, more particularly silk and artificial silk stockings
IPC: D06C5/00
Filed: 1936-07-24
Abstract: <PICT:0478677/IV/1> Textile goods, particularly silk stockings are delustred by mounting on shaping forms and treating continuously with (a) a delustring compound or a precipitant therefore, (b) pressure to remove excess solution, (c) a precipitant, or a delustring compound, (d) pressure to remove excess solution.  The goods are preferably finished and dried before removal from the forms.  The solutions are preferably sprayed on, and excess removed with rollers or presser plates faced with sponge rubber.  Suitable delustring compounds are barium hydrate, acetate or chloride; suitable precipitants are ammonium or sodium sulphate, and to these may be added gelatine and lactic or acetic acid.  Suitable apparatus comprises a continuously or intermittently moving conveyer 10 carrying shaping forms (not shown) which have the goods placed thereon at 11, are sprayed at 12 with delustrant or precipitant solution, excess removed at 13, sprayed with precipitant or delustrant solution at 14, squeezed at 15, moistened at 16, passed through sponge rubber rollers 17, soft rubber rollers 18, heated rubber faced rollers 19, and rubber or felt faced rollers 20, to the drying chamber 21 and operators' table 22 for removal.  Specification 478,686 is referred to.
Patent GB-942134-A (GB)
Title: Improvements in gauges for machine tools
IPC: B24B49/04
Filed: 1959-06-16
Abstract: 942,134. Grinding. A. A. JONES & SHIPMAN Ltd., and J. HOULDSWORTH. May 31, 1960 [June 16, 1959], No. 20621/59. Heading B3D. [Also in Division G1] In a grinding machine a gauge comprises feelers 7 adjustably mounted on pivoted plates 12 enclosed within a casing 2 of the tailstock 1 supporting the workpiece W. Relative movement between the plates is transmitted to an external-indicator by leads L from a capacitor 18, 19, the two plates of which are fixed to the pivoted plates 12. An arm 5 is used to retract the tailstock 1 for the insertion of workpiece W and a cam bar 25 fixed to the tailstock engages ramp 25 to urge the feelers apart during this operation. The indication given may be used to stop the grinding operation when the workpiece reaches the correct size. The Provisional Specification describes means for measuring the pivotal movement of each of the plates 12 relative to fixed but adjustable members.
Patent GB-996825-A (GB)
Title: Manufacture of bobbin sleeves
Inventor: WALKER JAMES STEWART
IPC: B29C49/48
Filed: 1961-06-08
Abstract: 996,825. Blow moulding bobbin sleeves. FRASER & GLASS Ltd. June 15, 1962 [June 8, 1961], No. 20696/61. Heading B5A.  Bobbin sleeves are blow - moulded by extruding a parison of thermoplastics material into a circular mould the diameter of which increases in the direction of extrusion and whose surface has a roughness not exceeding a depth of 50 microns, blowing the parison in the mould and removing the moulding from the mould. A tubular parison 2 is extruded over a blowing nozzle 3 and is enclosed in tapered blow mould halves 4 and blown out. The mould surface roughness may have been effected by sand-blasting or micro-grooving. Alternatively the parison may be extruded into a central one-piece mould 21 there being separable top and bottom mould halves 23, 24 (Fig. 5). In a further embodiment, Fig. 9, the mould 30 may abut an extruder head 31.
Patent GB-156850-A (GB)
Title: Improved means for carrying a child
IPC: A47D13/02
Filed: 1919-08-23
Abstract: 156,850. Fisher, J. L. Aug. 23, 1919. Seats.-A child carrier comprises straps A, B fixed parallel with one another and with their ends looped and fixed around two wooden handles 2, 3 at right-angles to the straps, the handles being turned with end collars 4 to prevent displacement of the straps. The straps A, B are fixed together by cross straps 5, strengthened by a longitudinal strap 6 fixed thereto. A cross strap C threaded through loops 7 in the straps A, B forms a back rest 8 and side supports 9, the free ends 10 being adapted to be fastened together to prevent the child from falling out of the carrier.
Patent GB-914232-A (GB)
Title: Improvements in fluid flow control valves
IPC: F15B13/06
Filed: 1960-06-14
Abstract: 914,232. Valves. BLACK, A. July 24, 1961 [June 14, 1960; June 23, 1960], Nos. 20784/60 and 22039/60. Class 135. A valve for controlling the supply and exhaust of fluid to fluid motors comprises a rotatable control drum 4, Fig. 1, having a radial clearance with a casing 1. The casing carries several valves 9 ... 14 connected to the motors C1. . . C6, each valve comprising a ball 16 loaded by a spring 18 away from its seat 17 into contact with the drum 4. The drum is provided with depressions such as at 20 . . . 26 which on rotation of the drum allows the balls to be pressed into the depressions to allow flow through the valve, the drum at other times holding the ball on its seat. The depressions are arranged to provide a predetermined programme of operation of the motors. An inlet valve 7, which need not be spring-loaded, and an exhaust valve 8 may be provided. In a modification shown in Fig. 3, each valve is provided with a second ball or mushroom-shaped valve 36 which controls the exhaust from the motor port 42 when the ball valve 16 contacts the normal surface of the control drum 4. Such an arrangement dispenses with the exhaust valve 8 of Fig. 1. The control drum may be made of several discs and may be movable axially to alter the programme.
Patent GB-629986-A (GB)
Title: Air conditioning apparatus
IPC: F24F6/06
Filed: 1947-07-31
Abstract: 629,986. Conditioning air. WACHOVIA BANK & TRUST CO. July 31, 1947, No. 20826. Convention date, May 22, 1940. [Class 137] [Also in Group XII] Spray apparatus for treating air with humidifying or dehumidifying liquids comprises a chamber 1 containing a number of transversely arranged rotary discs 9 each surrounded by an abutment ring of atomizer teeth rigidly supported by a dished plate shielding the disc from the air stream. A pump 26 supplies liquid through branched pipes to both faces of the discs from a reservoir 23 through a valve 27 controlled by a humidostat 28 in the space for which the air is conditioned. A depending partition 29 lengthens the air path to a heat exchanger 30, normally a cooler, and eliminator plates 31 at the chamber outlet. Vanes 4, 5, respectively adjust the size of inlets from outside and within the enclosure under the control of a room thermostat 34 which also governs the inlet valves to cooler 30 and a heater 33 against the recirculated air inlet. For high humidities the vanes and heater or the speed of a blower fan 32 may be controlled by the humidostat. Specification 388,498, [Group XII], is referred to.
Patent GB-491751-A (GB)
Title: Improvements relating to grid controlled valve converting apparatus
IPC: H02M1/04
Filed: 1937-07-28
Abstract: 491,751. Converting. ALLMANNA SVENSKA ELEKTRISKA AKTIEBOLAGET, and LAMM, U. July 28, 1937, No. 20910. [Class 38 (ii)] Relates to a " floating " grid system of the kind described in Specification 412,773 and consists in the provision of means to enable such a system to be employed with valves the cathodes of which are not at the same operating potential. To effect compensation a potential equal to and opposite to that between the cathodes is injected into the grid circuit. In the form shown in Fig. 1 comprising a rectifying arrangement in Graetz connection the control of the upper pair of valves 1, 4, the cathodes of which are connected to the secondary 7 of the supply transformer 6, is effected from the secondary 9 of a control transformer 18 fed from a phase shifting transformer 12 and compensation is effected by including in series in the grid circuit an auxiliary secondary 8 of the main transformer 6, this winding giving a potential equal to and opposite to that of the main secondary 7. A polyphase Graetz connected rectifier and a polyphase frequency changer are also described. In the rectifier arrangement .the two groups of valves are controlled separately from two phase shifting transformers. Fig. 3 shows an arrangement in which the A.C. supply is connected between the cathodes of the discharge devices 46, 47 in series with a source 59 of D.C. The grid circuit contains a condenser 53 which during operation charges to a potential difference equal to that of the D.C. source 59. The condenser 53 may be charged from an external source.
Patent GB-284157-A (GB)
Title: Improvements in clamps for supporting wall shuttering
IPC: E04G17/12
Filed: 1927-08-10
Abstract: 284,157. Chedburn, N. S. Aug. 10, 1927. No Patent granted (Sealing fee not paid). Moulding walls in situ. -For casting walls in situ, the shutters m are secured to the previously cast course by clamps comprising two uprights a, and pivoted stay bars b, the upper end of one upright being turned at right-angles towards the other upright and carrying an eccentric e at its end to press against the other upright, whereby the shutters are clamped. The eccentric is provided with a stop pin h and a handle g which enters a recess in the top of the other upright. The bars b are recessed to receive a core k when forming cavity walls.
Patent GB-1146263-A (GB)
Title: Improvements in or relating to fume-cabinets or fume-chambers
IPC: B08B15/02
Filed: 1967-05-05
Abstract: 1,146,263. Fume cabinets. COMMISSARIAT A L'ENERGIE ATOMIQUE. 5 May, 1967 [14 May, 1966], No. 21092/67. Heading F4X. A fume cabinet comprises a lower compartment 1 having a frontal opening 3, a panel 4, retractable into a frontal compartment 5, for sealing said opening, a median compartment 12 containing gas extraction means 22, and an upper compartment 15 in which is located an air blowing conduit 16, said conduit 16 being divided into an outlet pipe 17 which may be sealed by a flap 19 and a distribution pipe 20 having outlets 21 therefrom, said pipe 20 extending into compartment 5 to telescopically engage panel 4, thus causing air, passing down the pipe 20 to flow along the panel 4 and into the lower compartment 1, preventing obnoxious gases from escaping from the cabinet opening. The sealing panel 4 comprises two panes of glass 9, 9a having between them a space 10 closed at the side and which is open at 11 and at 11a in order to constitute part of the air circulation circuit, said panel being counter-balanced by weights 6 (and 6a). The waste gas extraction shaft 22 which leads into the upper compartment 5 is linked to a water-spray scrubber 23, whose opening 24 is directed to the interior of the median compartment 12. Said median compartment, which has a bottom partition 13 in which are sets of louvres 25, 26, 27, also contains directing blades 28a, 28b, 28c which in combination with directing wall 29 help pass gas to the scrubber 23, and in combination with walls 13, 14 form a water collection channel. The fume cabinet can be made by moulding in a laminated polyester material.
Patent GB-263742-A (GB)
Title: Improvements in or relating to autocollimating reflectors
IPC: G02B5/126
Filed: 1926-08-27
Abstract: 263,742. Garbarini, A. Dec. 24, 1925, [Convention date]. Reflectors. - Autocollimating reflectors are formed from two hemispherical glass elements b, d of different radii united at their plane faces with Canada balsam &c. The smaller element i may be white or coloured and the curved surface of the larger element may consist of a solid slightly greater or less than a hemisphere thus producing reflectors having different degrees of divergence of the reflected beams. For indicating distance from a fixed point reflectors of various divergences are arranged in the form of numbers, Fig. 6, so that they are visible at different distances the distance of visibility being proportional to the divergence. This arrangement of reflectors may be used to assist landing of aeroplanes at an aerodrome. The reflectors may also be used to mark out channels by fitting them to buoys.
Patent GB-1136914-A (GB)
Title: Improvements relating to record players
Inventor: FORTUNE HENRY JAMES
IPC: G11B17/16
Filed: 1965-05-19
Abstract: 1,136,914. Record autochange. GARRARD ENG. Ltd. 23 March, 1966 [19 May, 1965], No. 21167/65. Heading G5R. In a record player having a turntable 1 with a centre spindle 2 embodying pawl means 10 for displacing the lowermost record of a stack mounted on shoulder 4 and a record edge support arrangement 6 which can be pivoted from its outer 12-inch record support position to an inner position to support either 7-inch or 10-inch records, the spindle is formed with an inclined portion 9 below the shoulders which moves a released record away from the edge support.
Patent GB-819664-A (GB)
Title: Improvements in or relating to water-insoluble monoazo dyestuffs
Filed: 1956-07-09
Abstract: The invention comprises dyestuffs of formula <FORM:0819664/IV (c)/1> where the two R's are identical or different alkyl radicals of 1-4 carbon atoms which together have at least one negative substituent selected from halogen atoms and the nitro, nitrile and C-acyl groups and at least one -O-acyl radicle of 1-5 carbon atoms in a different R from the one containing the negative substituent, R1 is the residue of a mono- or bi-nuclear diazo component free from SO3H or COOH groups, preferably of the benzene naphthalene or heterocyclic series containing a sulphur atom in o-position to the diazo group and A may have further substituents other than SO3H or COOH groups.  A particularly preferred group of dyestuffs have the formula <FORM:0819664/IV (c)/2> where v is H or F, w is F or CN, X is MeSO2 or NO2, y is H, Cl, Br, CN, CF3, MeSO2 or SO2 and z is H or Me.  They may be made by coupling, preferably in an acid medium, an appropriate mono- or di-nuclear compound with the required tertiary amine or by esterifying corresponding dyestuffs containing N-hydroxy-alkyl groups.  The acyl groups are -CO-alkyl groups.  Specified or indicated diazo components are 4-nitro and -alkylsulphonyl-anilines and their 2- or 2,6-substituted derivatives, 4 - alkylsulphonyl - 1 - naphthylamine and 1 - naphthylamine - 4 - sulphonic acid fluoride and their derivatives and 2-amino-thiazole, -thiophene and -thiodiazole and their derivatives.  The tertiary amines, when substituted, preferably contain halogen atoms or alkyl, alkoxy or acylamino groups, whose H atoms may be replaced by F atoms, in the 2-and/or 5- position of nucleus A.  The dyestuff dye cellulose ester, polyamide, polyvinyl, terephthalic acid ester and polyacrylonitrile fibres by a dispersion process in orange, red and violet shades and they may also be used for colouring lacquer, oils and synthetic resins.  In examples, which illustrate the preparation of the dyestuffs and their use in dyeing processes: (1) 2-bromo-4 - nitro - 41 - (N - b  - cyanoethyl - N - b  - hy - droxyethylamino) - 1,11 - azobenzene and (2) 1 - methylsulphonyl - 4 - [21 - methyl - 41 - (N-b -cyaroethyl - N - b  - hydroxyethylamino)] - phenyl-azonaphthalene are acetylated and (3) the dyestuff 1 - methyl - sulphonyl - 4 - naph - thylamine -->1 - (N - b  - cyanoethyl - N - b  - acetoxyethylamino) - 3 - toluene is made. In the examples, various alternative reactants are specified and a table of dyestuffs obtainable as in the examples is also provided, the components used being selected from those indicated above with the addition of 2-amino-benzothiazoles. Reference has been directed by the Comptroller to Specifications 723,933 and 744,877.
Patent GB-741424-A (GB)
Title: Improvements in ironing tables
IPC: D06F81/10
Filed: 1952-08-25
Abstract: 741,424. Ironing-boards. DAY, J. H. Aug. 14, 1953 [Aug. 25, 1952], No. 21240/52. Diawings to Specification. Class 138 (2). An ironing table is provided with a sheet metal top of very shallow V-cross-section whereby any expansion due to heating will take place in a downward direction. Specification 617,097 is referred to.
Patent GB-350769-A (GB)
Title: Improved construction of brush for cleaning natural and artificial teeth
IPC: A46B7/04
Filed: 1930-07-14
Abstract: 350,769. Toothbrushes. PADGETT, F. J., 17, David Place, St. Helier, Jersey. July 14, 1930, No. 21281. [Classes 19 and 61 (i).] Relates to toothbrushes of the kind in which a small brush is carried at each end of a handle, and more particularly to that class in which the backs of these brushes are formed or provided with a dovetail portion which is pushed into a complementary recess formed in each end of the handle, and consists in forming the portions for receiving the brushes of trough or equivalent shape and of spring metal. These portions may form part of a metal handle A, as shown in the Figure at B, C and D, E, or may be connected to a handle made of metal, bone, or composition. The brushes may be arranged at right-angles to each other, and on the same or opposite sides of the handle.
Patent GB-751312-A (GB)
Title: Improvements relating to magnetic recording and reproducing machines
IPC: G11B5/004
Filed: 1954-07-21
Abstract: 751,312. Magnetic recording and reproducing apparatus. BEYER, E. July 21, 1954 [July 21, 1953; June 8, 1954], No. 21303/54. Class 40(2) In a magnetic recorder/ reproducer employing a sheet record wrapped round a drum, the ends of the sheet abut or are slightly separated from one another, and means are provided to traverse the transducer to produce a helical track on the sheet. Members 35, 36 surrounding the ends of the drum 25, and slightly spaced therefrom serve to maintain the record sheet 90 in a cylindrical shape and in frictional contact with the drum 25. The transducer 44 is traversed by means of a leadscrew 112 and at the end of its traverse a pair of contacts 47, 48 are closed by means of a pip 46 on the transducer whereby the circuit of electromagnet 55 is closed to open a gate 61 in the member 35 so that the record sheet 80 passes out through the aperture 59 in the member 35 and is driven on to a receiving tray 82 by a pulley 29. As the sheet 80 passes on to the ramp 81 a pair of contacts 84, 85 in the circuit of an electromagnet 78 are closed so that a pulley 70 is pressed into contact with the upper sheet of a magazine of new sheets, whereupon the lowermost sheet 90 is fed on to the drum 25 by the pulley 28. At the same time a circuit of a coil 93 is closed and causes, by means not shown, the transducer to be returned to the initial end of the drum 25, the contacts 47, 48 open again and the gate 61 closes. As soon as the ejected sheet 80 has passed from beneath the contacts 84, 85 they open and the machine is ready for a further scanning operation, the pulley 70 being lifted from the top sheet of the magazine. Modifications are also shown and described in which manual means are provided for initiating changing of record sheets.
Patent GB-775825-A (GB)
Title: Plasticized vinyl resin composition
IPC: C07F9/6574
Filed: 1955-07-22
Abstract: A polymerizable composition, e.g. a plastisol or organosol, comprises a polymer, a plasticizer of the formula. <FORM:0775825/IV(a)/1> where R is a methylene or ethylene radical, R1 is an olefinically unsaturated hydrocarbon radical of from 2 to 20 carbon atoms, Hal is a chlorine or bromine atom, and Y separately is an alkoxy, aryloxy, chloroalkoxy, bromoalkoxy, chloroaryloxy, or bromoaryloxy, and two Y's together designate the group -OCR2R3CR4R5 CHR6O- in which each R2, R3, R4, R5 and R6 is either a hydrogen atom or an alkyl radical, and n is an integer from 1 to 3, and optionally a peroxy catalyst. The polymer may be polyvinyl chloride, polyvinyl butyral, or a copolymer of vinyl chloride with vinyl acetate, vinyl propionate, methyl or butyl acrylate, methyl or butyl methacrylate, acrylonitrile, vinylidene chloride or dibutyl maleate.  The compositions may also contain known plasticizers, heat or light stabilizers, e.g. dibutyl tin dimaleate, dyes, pigments, and/or organic solvents.  Specified plasticizers are the diethyl, dibutyl, dioctyl, didecyl, di-2-chloroethyl, diphenyl, dibenzyl and di-(p-chlorophenyl) acryloxychloropropyl phosphates, the corresponding methacrylyloxychloropropyl phosphates and the crotonyloxychloropropyl phosphates, 2-methacrylyloxychloropropoxy - 2 - oxo - 1,3,2 - dioxaphosphorinane, 2 - crotonyloxychloropropoxy - 2 - oxo - 1,3,2 - dioxaphosphorinane, 2 - acrylyloxychloropropoxy - 2 - oxo - 1,3,2-dioxaphosphorinane and the above 2-methacrylyl, 2-crotonyl, and 2-acrylyl radicals with 4 - methyl - 2 - oxo -, 4,6 - dimethyl - 2 - oxo -, 5 - ethyl - 2 - oxo - 4 - propyl -, 5 - butyl - 5 - ethyl - 2 - ox -, and 2 - oxo - 4,4,6 - trimethyl - 1,3,2 - dioxaphosphorinanes. Catalysts mentioned are benzoyl and acetyl peroxides, and tert.-butyl perbenzoate.  Specified additional plasticizers are tri-(2-ethylhexyl) phosphate, tricresyl phosphate, di-(2-ethylhexyl) phthalate, di-(2-ethylhexyl) adipate, dioctyl sebacate and epoxidized soya bean oils.  The compositions are cured by heating at 300 DEG  to 350 DEG  F. for five to twenty-five minutes.  Films and floor-coverings may be made from the compositions.  Specification 769,027 is referred to.
Patent GB-574039-A (GB)
Title: Improvements in and relating to electric transformer systems
IPC: H02M5/12
Filed: 1943-12-21
Abstract: 574,039. Transformer arrangements. BRITISH THOMSON-HOUSTON CO., Ltd. Dec. 21, 1943, No. 21399. Convention date, Dec. 26, 1942. [Class 38 (iv)] In order that a balanced three-phase load may be efficiently supplied through two V- connected transformers 7, 8 and 9, 10 from a three-phase supply, an inductance 11 which balances the leakage inductance of each of the windings 8, 10 is connected between the line 6 and the vertex of the V. The windings 8, 10 may be the primary or secondary windings of the transformers. In a modified arrangement, the inductance 11 is divided between the primary and secondary sides of the supply.